/* ============================================================
   RAI Swarms v2 — site.css
   Single production stylesheet. Merged from tokens + base + components.
   Load order preserves the cascade: design tokens → base → components.
   No @import chains. No local-only paths. Case-sensitive on Linux.
   ============================================================ */


/* ============================================================
   1. DESIGN TOKENS
   Aligned with verakovaleva.com design system.
   ============================================================ */

:root {
  /* ---------- Background ---------- */
  --bg:              #06070a;        /* near-black, cold undertone */
  --bg-void:         #06070a;        /* alias for back-compat */
  --bg-base:         #06070a;
  --bg-raised:       rgba(255, 255, 255, 0.018);
  --bg-elevated:     rgba(255, 255, 255, 0.032);
  --surface:         rgba(255, 255, 255, 0.025);
  --bg-inverse:      #f5f5f3;

  /* ---------- Ink scale (text) ---------- */
  --ink:             #ffffff;        /* headings, top menu, primary */
  --ink-2:           #dee1e6;        /* body, lede, paragraphs (soft off-white) */
  --ink-3:           #dee1e6;        /* secondary body — same tone */
  --ink-4:           #8c909a;        /* caps labels, eyebrow, indices, footer meta */
  --ink-5:           #4a4e57;        /* ghost / disabled */

  /* Aliases for back-compat with existing class usage */
  --text-primary:    var(--ink);
  --text-secondary:  var(--ink-2);
  --text-tertiary:   var(--ink-4);
  --text-muted:      var(--ink-5);

  /* ---------- Lines ---------- */
  --line:            rgba(255, 255, 255, 0.08);   /* thin section dividers */
  --line-2:          rgba(255, 255, 255, 0.16);   /* mid accents */
  --line-hot:        rgba(220, 232, 250, 0.42);   /* highlighted */

  /* Aliases */
  --line-faint:      var(--line);
  --line-soft:       var(--line);
  --line-strong:     var(--line-2);

  /* ---------- RAI gradient (saturated, 5 stops, 135°) ---------- */
  --rai-0:           #f5b487;        /* warm peach */
  --rai-26:          #f297c8;        /* pink */
  --rai-52:          #c592eb;        /* lavender */
  --rai-78:          #8aaee8;        /* periwinkle */
  --rai-100:         #7cc4d6;        /* teal */

  --grad-rai:        linear-gradient(135deg,
                       var(--rai-0)   0%,
                       var(--rai-26)  26%,
                       var(--rai-52)  52%,
                       var(--rai-78)  78%,
                       var(--rai-100) 100%);

  /* Text-clip variant (90°) for inline word treatments */
  --grad-rai-text:   linear-gradient(90deg,
                       var(--rai-0)   0%,
                       var(--rai-26)  26%,
                       var(--rai-52)  52%,
                       var(--rai-78)  78%,
                       var(--rai-100) 100%);

  /* RAI Swarms Hero gradient — 4 stops at 115°, cool→warm.
     Used on hero headline accent words («Autonomous Robots»). */
  --grad-rai-hero:   linear-gradient(115deg,
                       #7fd9e6 0%,
                       #b89ee6 35%,
                       #e8a8c3 65%,
                       #f0c08a 100%);

  /* Pastel version — primary button hover */
  --grad-rai-pastel: linear-gradient(135deg,
                       #fad6b9 0%,
                       #f8c2db 26%,
                       #dabcef 52%,
                       #b4c8ee 78%,
                       #b5dbe3 100%);

  /* Transparent version (alpha 0.13) — outline button hover */
  --grad-rai-soft:   linear-gradient(135deg,
                       rgba(245, 180, 135, 0.13) 0%,
                       rgba(242, 151, 200, 0.13) 26%,
                       rgba(197, 146, 235, 0.13) 52%,
                       rgba(138, 174, 232, 0.13) 78%,
                       rgba(124, 196, 214, 0.13) 100%);

  /* Aliases for legacy gradient usage */
  --grad-prism:      var(--grad-rai);
  --grad-cool:       linear-gradient(180deg, var(--rai-100) 0%, var(--rai-52) 100%);
  --grad-warm:       linear-gradient(180deg, var(--rai-26) 0%, var(--rai-0) 100%);
  --grad-veil:       linear-gradient(180deg,
                       rgba(124, 196, 214, 0.05) 0%,
                       rgba(197, 146, 235, 0.04) 50%,
                       rgba(242, 151, 200, 0.03) 100%);

  /* ---------- Glow tokens (lavender base) ---------- */
  --glow-base:       rgba(197, 146, 235, 0.35);
  --glow-card-hover:    0 16px 40px -14px rgba(197, 146, 235, 0.35);
  --glow-sibling-hover: 0 14px 36px -12px rgba(197, 146, 235, 0.40);
  --glow-primary-hover: 0 10px 28px -12px rgba(197, 146, 235, 0.32);

  /* ---------- Typography ---------- */
  --font-display:    'Geometria', 'Futura PT', 'Futura', 'Avenir Next', 'Avenir', 'Inter', system-ui, sans-serif;
  --font-body:       'Geometria', 'Futura PT', 'Futura', 'Avenir Next', 'Avenir', 'Inter', system-ui, sans-serif;
  --font-mono:       'SF Mono', 'Menlo', 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

  --weight-light:    300;
  --weight-regular:  400;
  --weight-medium:   500;
  --weight-bold:     800;

  /* Type scale — per spec */
  --fs-base:         18px;
  --fs-body:         18px;
  --fs-body-sm:      16px;
  --fs-body-lg:      19px;

  /* Type scale — BIG, dramatic.
     The verakovaleva spec provides minimums; we go bigger for RAI Swarms hero feel. */
  --fs-hero-name:    clamp(56px, 9.5vw, 140px);            /* hero h1 */
  --fs-hero-lede:    clamp(20px, 2.1vw, 30px);             /* hero tagline */
  --fs-page-h1:      clamp(52px, 8.5vw, 124px);            /* page-hero h1 */
  --fs-page-lede:    clamp(18px, 1.4vw, 22px);
  --fs-page-tagline: clamp(20px, 2.2vw, 28px);
  --fs-h2:           clamp(38px, 6vw, 80px);               /* section title */
  --fs-h3:           clamp(26px, 2.6vw, 38px);             /* card title */
  --fs-h4:           clamp(22px, 1.8vw, 28px);             /* feature h4 */
  --fs-h4-sm:        clamp(20px, 1.5vw, 24px);             /* focus h4 */
  --fs-closing:      clamp(54px, 9vw, 128px);
  --fs-sibling:      20px;
  --fs-sibling-desc: 14px;
  --fs-form-input:   15px;
  --fs-form-label:   10.5px;
  --fs-btn:          13px;
  --fs-nav:          13px;
  --fs-nav-sig:      16px;
  --fs-nav-role:     11px;
  --fs-eyebrow:      11px;
  --fs-footer:       12px;
  --fs-footer-link:  11px;

  --leading-tight:   1.05;
  --leading-snug:    1.2;
  --leading-normal:  1.45;
  --leading-relaxed: 1.6;

  --tracking-tight:    -0.02em;
  --tracking-snug:     -0.01em;
  --tracking-base:     0;
  --tracking-wide:     0.04em;
  --tracking-eyebrow:  0.18em;
  --tracking-caps:     0.12em;

  /* ---------- Spacing ---------- */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 128px;
  --space-11: 192px;

  /* ---------- Layout ---------- */
  --container-max:    1240px;
  --container-narrow: 880px;
  --container-wide:   1440px;
  --gutter:           clamp(20px, 4vw, 56px);
  --pad-y:            clamp(96px, 12vw, 168px);
  --pad-y-mobile:     clamp(72px, 16vw, 110px);

  /* ---------- Radii ---------- */
  --r-sm: 4px;   /* buttons, inputs, checkbox */
  --r-md: 10px;  /* cards, form container, sibling-nav */
  --r-lg: 18px;  /* reserved */

  /* Aliases */
  --r-1: var(--r-sm);
  --r-2: var(--r-sm);
  --r-3: var(--r-md);
  --r-4: var(--r-lg);
  --r-pill: 999px;

  /* ---------- Motion ---------- */
  --t-fast:   180ms;    /* hover colors, micro-transitions */
  --t-med:    420ms;    /* card appear / transform */
  --t-slow:   900ms;    /* reveal, sweep */

  --ease-std:   cubic-bezier(.2,.6,.2,1);
  --ease-rev:   cubic-bezier(.16,.84,.32,1);

  /* Aliases */
  --dur-fast:      var(--t-fast);
  --dur-base:      var(--t-med);
  --dur-slow:      var(--t-med);
  --dur-cinematic: var(--t-slow);
  --ease-out:      var(--ease-std);
  --ease-in-out:   var(--ease-std);
  --ease-emph:     var(--ease-rev);

  /* ---------- Shadows ---------- */
  --shadow-1:      0 1px 0 rgba(255,255,255,0.04) inset, 0 1px 3px rgba(0,0,0,0.4);
  --shadow-2:      0 1px 0 rgba(255,255,255,0.04) inset, 0 10px 30px rgba(0,0,0,0.5);
  --shadow-portrait: 0 30px 80px -30px rgba(0,0,0,0.7);
  --shadow-glow:   0 0 0 1px rgba(184, 158, 230, 0.18), 0 20px 60px rgba(127, 217, 230, 0.06);

  /* ---------- Z ---------- */
  --z-bg-field: 0;
  --z-nav:      100;
  --z-modal:    1000;
}


/* ============================================================
   2. BASE
   Font faces, resets, typography primitives, background field.
   Font paths are relative to this file at assets/css/site.css,
   so ../fonts/<File>.ttf resolves to assets/fonts/<File>.ttf.
   ============================================================ */

@font-face {
  font-family: 'Geometria';
  src: url('../fonts/Geometria-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geometria';
  src: url('../fonts/Geometria-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geometria';
  src: url('../fonts/Geometria-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geometria';
  src: url('../fonts/Geometria-ExtraBold.ttf') format('truetype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  width: 100%;
  overflow-x: clip;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  padding: 0;
  width: 100%;
  background: var(--bg);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body);
  line-height: var(--leading-relaxed);
  letter-spacing: 0;
  overflow-x: clip;
  position: relative;
}

::selection {
  background: rgba(197, 146, 235, 0.35);
  color: #fff;
}

img, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-std);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

hr {
  border: 0;
  height: 1px;
  background: var(--line);
  margin: var(--space-7) 0;
}

/* ============================================================
   Signal field — fixed background system (radial glows + grid +
   drifting orbs + noise grain + CRT scanlines)
   ============================================================ */
.bg-field {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg-field);
  pointer-events: none;
  overflow: hidden;
}

/* A — cool blue, top-left */
.bg-field::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60vmax 50vmax at 12% 8%,
      rgba(60, 90, 160, 0.18) 0%, transparent 60%),
    radial-gradient(55vmax 45vmax at 88% 10%,
      rgba(180, 120, 80, 0.07) 0%, transparent 60%),
    radial-gradient(65vmax 50vmax at 50% 100%,
      rgba(60, 90, 160, 0.16) 0%, transparent 60%);
}

/* Grid 88×88 with elliptical mask */
.bg-field::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
          mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
}

/* Drifting orbs */
.bg-field__orb {
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  will-change: transform;
}
.bg-field__orb--a {
  top: -20vmax;
  left: -10vmax;
  background: radial-gradient(circle, rgba(197, 146, 235, 0.32) 0%, transparent 65%);
  animation: bg-drift-a 28s var(--ease-std) infinite alternate;
}
.bg-field__orb--b {
  bottom: -25vmax;
  right: -15vmax;
  background: radial-gradient(circle, rgba(124, 196, 214, 0.28) 0%, transparent 65%);
  animation: bg-drift-b 36s var(--ease-std) infinite alternate;
}
@keyframes bg-drift-a {
  0%   { transform: translate3d(0, 0, 0)        rotate(0deg); }
  100% { transform: translate3d(8vmax, 6vmax, 0) rotate(40deg); }
}
@keyframes bg-drift-b {
  0%   { transform: translate3d(0, 0, 0)         rotate(0deg); }
  100% { transform: translate3d(-7vmax, -5vmax, 0) rotate(-30deg); }
}

/* Noise grain overlay (inline SVG fractalNoise) */
.bg-field__noise {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 240px 240px;
}

/* CRT scanlines */
.bg-field__scan {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.04) 0px,
    rgba(255, 255, 255, 0.04) 1px,
    transparent 1px,
    transparent 2px
  );
  mix-blend-mode: overlay;
  opacity: 0.35;
}

@media (prefers-reduced-motion: reduce) {
  .bg-field__orb--a,
  .bg-field__orb--b { animation: none; }
}

/* Ensure content sits above the field */
.site-nav,
main,
.site-footer { position: relative; z-index: 1; }

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6,
.t-display, .t-h1, .t-h2, .t-h3, .t-h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  color: var(--ink);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin: 0;
}

.t-display { font-size: var(--fs-hero-name); }
h1, .t-h1  { font-size: var(--fs-hero-name); line-height: 0.98; }
h2, .t-h2  { font-size: var(--fs-h2);        line-height: var(--leading-snug); }
h3, .t-h3  { font-size: var(--fs-h3);        line-height: var(--leading-snug); letter-spacing: var(--tracking-snug); }
h4, .t-h4  { font-size: var(--fs-h4);        line-height: var(--leading-snug); letter-spacing: var(--tracking-snug); }

p, .t-body {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body);
  line-height: var(--leading-relaxed);
  color: var(--ink-2);
  margin: 0;
}

.t-lead {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body-lg);
  line-height: var(--leading-relaxed);
  color: var(--ink-2);
  letter-spacing: var(--tracking-snug);
}

.t-eyebrow {
  font-family: var(--font-mono);
  font-weight: var(--weight-regular);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-4);
  display: inline-block;
}

.t-eyebrow--accent {
  background: var(--grad-rai-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.t-mono {
  font-family: var(--font-mono);
  font-size: var(--fs-nav-role);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}

.t-muted   { color: var(--ink-4); }
.t-primary { color: var(--ink); }

.t-gradient {
  background: var(--grad-rai-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

strong, b {
  font-weight: var(--weight-bold);
  color: var(--ink);
}

em, i {
  font-style: normal;
  color: var(--ink);
}

ul, ol { margin: 0; padding: 0; list-style: none; }

/* Containers */
.container         { width: 100%; max-width: var(--container-max);    margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { width: 100%; max-width: var(--container-narrow); margin-inline: auto; padding-inline: var(--gutter); }
.container--wide   { width: 100%; max-width: var(--container-wide);   margin-inline: auto; padding-inline: var(--gutter); }

/* Section spacing — per spec */
.section          { padding-block: var(--pad-y); position: relative; }
.section + .section { border-top: 1px solid var(--line); }
.section--tight   { padding-block: clamp(56px, 7vw, 96px); }
.section--hero    { padding-block: clamp(112px, 16vw, 220px) clamp(72px, 9vw, 128px); }

@media (max-width: 720px) {
  .section { padding-block: var(--pad-y-mobile); }
}

/* Visually hidden */
.sr-only {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--rai-78);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}


/* ============================================================
   3. COMPONENTS
   Site chrome, buttons, cards, forms, hero, footer, etc.
   ============================================================ */

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  background: rgba(6, 7, 10, 0.55);
  border-bottom: 1px solid var(--line);
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: 14px;
}
.site-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  line-height: 1.1;
  position: relative;
}
.site-nav__brand img {
  height: 60px;
  width: auto;
  filter: drop-shadow(0 0 22px rgba(180, 160, 220, 0.20));
}
.site-nav__brand-mark {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid var(--line-2);
  line-height: 1.15;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0;
  min-height: 28px;
  justify-content: center;
  white-space: nowrap;
}
@media (max-width: 1100px) {
  .site-nav__brand-mark { font-size: 16px; }
}
@media (max-width: 900px) {
  .site-nav__brand-mark { font-size: 14px; }
}
.site-nav__brand-sub {
  font-family: var(--font-mono);
  font-weight: var(--weight-regular);
  font-size: var(--fs-nav-role);
  letter-spacing: var(--tracking-caps);
  color: var(--ink);
  text-transform: uppercase;
  margin: 0;
}
.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.site-nav__link {
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  font-size: var(--fs-nav);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--ink);
  position: relative;
  padding: 6px 0;
  transition: color var(--t-fast) var(--ease-std);
}
.site-nav__link:hover { color: var(--rai-78); }
.site-nav__link[aria-current="page"] { color: var(--ink); }
.site-nav__link[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--grad-rai-text);
}

/* ---------- Nav dropdown ---------- */
.site-nav__group {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.site-nav__link--has-menu {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.site-nav__caret {
  width: 9px;
  height: 9px;
  transition: transform var(--t-fast) var(--ease-std);
  color: var(--ink-4);
}
.site-nav__group:hover .site-nav__caret,
.site-nav__group:focus-within .site-nav__caret {
  transform: rotate(180deg);
  color: var(--rai-78);
}
.site-nav__group:has(.site-nav__menu-link[aria-current="page"]) > .site-nav__link {
  color: var(--ink);
}
.site-nav__group:has(.site-nav__menu-link[aria-current="page"]) > .site-nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--grad-rai-text);
}

.site-nav__menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  min-width: 240px;
  padding: 8px 0;
  background: rgba(10, 11, 14, 0.92);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  box-shadow: 0 18px 48px -18px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity   var(--t-fast) var(--ease-std),
    transform var(--t-fast) var(--ease-std),
    visibility 0s linear var(--t-fast);
  z-index: 5;
}
.site-nav__menu::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0; right: 0;
  height: 14px;
}
.site-nav__group:hover .site-nav__menu,
.site-nav__group:focus-within .site-nav__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity   var(--t-fast) var(--ease-std),
    transform var(--t-fast) var(--ease-std),
    visibility 0s linear 0s;
}
.site-nav__menu-link {
  display: block;
  padding: 10px 18px;
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  font-size: var(--fs-nav);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--ink);
  white-space: nowrap;
  transition:
    color var(--t-fast) var(--ease-std),
    background var(--t-fast) var(--ease-std);
}
.site-nav__menu-link:hover {
  color: var(--rai-78);
  background: rgba(255, 255, 255, 0.04);
}
.site-nav__menu-link[aria-current="page"] {
  color: var(--rai-78);
}

/* ---------- Nav nested submenu (3rd level) ---------- */
.site-nav__submenu-group {
  position: relative;
  display: block;
}
.site-nav__menu-link--has-submenu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.site-nav__menu-link--has-submenu .site-nav__caret {
  transform: rotate(-90deg);
}
.site-nav__submenu-group:hover .site-nav__menu-link--has-submenu .site-nav__caret,
.site-nav__submenu-group:focus-within .site-nav__menu-link--has-submenu .site-nav__caret {
  color: var(--rai-78);
}
.site-nav__submenu-group:has(.site-nav__menu-link[aria-current="page"]) > .site-nav__menu-link--has-submenu {
  color: var(--rai-78);
}
.site-nav__submenu {
  position: absolute;
  top: -9px;
  left: 100%;
  margin-left: 6px;
  min-width: 220px;
  padding: 8px 0;
  background: rgba(10, 11, 14, 0.92);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  box-shadow: 0 18px 48px -18px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-6px);
  transition:
    opacity   var(--t-fast) var(--ease-std),
    transform var(--t-fast) var(--ease-std),
    visibility 0s linear var(--t-fast);
  z-index: 6;
}
.site-nav__submenu::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: -10px;
  width: 12px;
}
.site-nav__submenu-group:hover .site-nav__submenu,
.site-nav__submenu-group:focus-within .site-nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  transition:
    opacity   var(--t-fast) var(--ease-std),
    transform var(--t-fast) var(--ease-std),
    visibility 0s linear 0s;
}

.site-nav__cta {
  display: inline-flex;
  align-items: center;
}
.site-nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  align-items: center;
  justify-content: center;
}
.site-nav__toggle span,
.site-nav__toggle span::before,
.site-nav__toggle span::after {
  content: '';
  display: block;
  width: 16px; height: 1.5px;
  background: var(--ink);
  transition: transform var(--t-med) var(--ease-std);
}
.site-nav__toggle span::before { transform: translateY(-5px); position: absolute; }
.site-nav__toggle span::after  { transform: translateY( 5px); position: absolute; }
.site-nav__toggle span { position: relative; }

/* Spacer so fixed nav doesn't cover content. Nav grew to fit 2-line brand. */
main { padding-top: 108px; }

@media (max-width: 720px) {
  .site-nav__brand-mark { display: none; }
  .site-nav__brand img { height: 56px; }
  .site-nav__links,
  .site-nav__cta { display: none; }
  .site-nav__toggle { display: inline-flex; }
  .site-nav.is-open .site-nav__links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: var(--space-5) var(--gutter) var(--space-6);
  }
  .site-nav.is-open .site-nav__link {
    font-weight: var(--weight-light);
  }
  .site-nav.is-open .site-nav__cta {
    display: inline-flex;
    margin-top: var(--space-3);
  }
  /* Mobile: dropdowns expand inline */
  .site-nav.is-open .site-nav__group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    width: 100%;
  }
  .site-nav.is-open .site-nav__caret { display: none; }
  .site-nav.is-open .site-nav__menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 0 0 0 var(--space-4);
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
  }
  .site-nav.is-open .site-nav__menu::before { display: none; }
  .site-nav.is-open .site-nav__menu-link {
    padding: 4px 0;
    color: var(--ink-2);
  }
  /* Mobile: nested submenu (3rd level) expands inline */
  .site-nav.is-open .site-nav__submenu-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 6px;
  }
  .site-nav.is-open .site-nav__menu-link--has-submenu .site-nav__caret { display: none; }
  .site-nav.is-open .site-nav__submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    margin: 0;
    padding: 0 0 0 var(--space-4);
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .site-nav.is-open .site-nav__submenu::before { display: none; }
}

/* ============================================================
   BUTTONS
   Rule: at most ONE gradient button (.btn--primary) per page.
   Default .btn / .btn--ghost = neutral (transparent, light border).
   ============================================================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-btn);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  padding: 14px 22px;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-2);
  transition: background var(--t-med) var(--ease-std),
              border-color var(--t-med) var(--ease-std),
              color      var(--t-med) var(--ease-std),
              box-shadow var(--t-med) var(--ease-std),
              transform  var(--t-med) var(--ease-std);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
}

/* Diagonal sweep on hover */
.btn::before {
  content: '';
  position: absolute;
  top: -50%; bottom: -50%; left: -60%;
  width: 40%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.06) 45%,
    rgba(255, 255, 255, 0.20) 50%,
    rgba(255, 255, 255, 0.06) 55%,
    transparent 100%
  );
  transform: skewX(-18deg);
  transition: left var(--t-slow) var(--ease-std);
  pointer-events: none;
  z-index: 1;
}
.btn:hover::before { left: 130%; }

.btn > * { position: relative; z-index: 2; }

.btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.32);
  color: var(--ink);
}

/* PRIMARY — the ONE gradient button per page */
.btn--primary {
  background: var(--grad-rai-hero);
  color: #0a0b0e;
  border-color: transparent;
  box-shadow: 0 8px 24px -14px rgba(197, 146, 235, 0.55);
}
.btn--primary::before {
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.18) 45%,
    rgba(255, 255, 255, 0.45) 50%,
    rgba(255, 255, 255, 0.18) 55%,
    transparent 100%
  );
}
.btn--primary:hover {
  background: var(--grad-rai-hero);
  color: #0a0b0e;
  border-color: transparent;
  filter: brightness(1.08) saturate(1.1);
  box-shadow: 0 14px 34px -14px rgba(197, 146, 235, 0.55);
  transform: translateY(-1px);
}

/* GHOST — neutral, alias for .btn default look */
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-2);
}

/* Legacy prism — neutral (no more bright gradient) */
.btn--prism {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn--prism:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.32);
}

/* Reverse — neutral by default, gradient on hover */
.btn--grad-on-hover {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn--grad-on-hover:hover {
  background: var(--grad-rai-hero);
  color: #0a0b0e;
  border-color: transparent;
  box-shadow: 0 12px 30px -14px rgba(197, 146, 235, 0.55);
  transform: translateY(-1px);
}
.btn--grad-on-hover:hover::before {
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.18) 45%,
    rgba(255, 255, 255, 0.45) 50%,
    rgba(255, 255, 255, 0.18) 55%,
    transparent 100%
  );
}

.btn--lg { padding: 16px 28px; font-size: 14px; }

.btn .arrow {
  width: 14px; height: 14px;
  transition: transform var(--t-med) var(--ease-std);
}
.btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   LINKS
   ============================================================ */
.link {
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
  transition: border-color var(--t-med) var(--ease-std);
}
.link:hover { border-color: var(--rai-78); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-btn);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--ink);
}
.link-arrow::after {
  content: '→';
  transition: transform var(--t-med) var(--ease-std);
}
.link-arrow:hover::after { transform: translateX(4px); }

/* ============================================================
   FRAMES — gradient 1.5px 135° (cards, form, sibling-nav, inputs)
   Pattern: 1.5px transparent border + double background-clip layer.
   ============================================================ */
.frame-grad {
  position: relative;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    var(--grad-rai) border-box;
}

/* ============================================================
   CARDS — neutral dark by default, gradient border outline,
   gradient bg appears only on hover (max 1 active per page).
   ============================================================ */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  /* Padding-box: solid elevated dark.  Border-box: gradient outline. */
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  transition: transform var(--t-med) var(--ease-std),
              box-shadow var(--t-med) var(--ease-std),
              background var(--t-med) var(--ease-std);
  overflow: hidden;
  isolation: isolate;
}
/* Hover overlay — soft gradient veil fades in on top of the card */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-rai-hero);
  opacity: 0;
  transition: opacity var(--t-med) var(--ease-std);
  z-index: -1;
  border-radius: inherit;
  mix-blend-mode: normal;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-card-hover);
}
.card:hover::before { opacity: 0.85; }
/* Adjust text contrast on hover (gradient bg is light, text must stay readable) */
.card:hover .card__title,
.card:hover .card__desc { color: #0a0b0e; }
.card:hover .card__index,
.card:hover .card__meta { color: rgba(10, 11, 14, 0.6); }
.card:hover .card__meta { border-top-color: rgba(10, 11, 14, 0.15); }

.card__index {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.card__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h3);
  letter-spacing: var(--tracking-snug);
  color: var(--ink);
  line-height: var(--leading-snug);
}
.card__desc {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  color: var(--ink-2);
  font-size: var(--fs-body);
  line-height: var(--leading-relaxed);
}
.card__meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

/* Industry card variant */
.card--industry { min-height: 280px; }
.card--industry .card__title { font-size: var(--fs-h3); }
.card--industry .card__arrow {
  position: absolute;
  top: var(--space-5); right: var(--space-5);
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-4);
  background: rgba(6, 7, 10, 0.4);
  transition: all var(--t-med) var(--ease-std);
}
.card--industry:hover .card__arrow {
  color: var(--ink);
  border-color: var(--line-hot);
  transform: rotate(-45deg);
}

/* Capability card */
.card--capability {
  padding: var(--space-5);
  min-height: 220px;
}
.card--capability .card__title { font-size: var(--fs-h4); }

/* ============================================================
   SIBLING-NAV (bottom of child pages)
   ============================================================ */
.sibling-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-9);
}
@media (max-width: 720px) {
  .sibling-nav { grid-template-columns: 1fr; }
}
.sibling-nav__item {
  position: relative;
  display: block;
  padding: var(--space-6);
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  transition: transform var(--t-med) var(--ease-std),
              box-shadow var(--t-med) var(--ease-std);
  overflow: hidden;
  isolation: isolate;
}
.sibling-nav__item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-rai-hero);
  opacity: 0;
  transition: opacity var(--t-med) var(--ease-std);
  z-index: -1;
  border-radius: inherit;
}
.sibling-nav__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-sibling-hover);
}
.sibling-nav__item:hover::before { opacity: 0.85; }
.sibling-nav__item:hover .sibling-nav__title { color: #0a0b0e; }
.sibling-nav__item:hover .sibling-nav__desc  { color: rgba(10, 11, 14, 0.7); }
.sibling-nav__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-sibling);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.sibling-nav__desc {
  margin-top: var(--space-3);
  font-family: var(--font-body);
  font-weight: var(--weight-light);
  font-size: var(--fs-sibling-desc);
  color: var(--ink-2);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   GRIDS
   ============================================================ */
.grid          { display: grid; gap: var(--space-5); }
.grid--2       { grid-template-columns: repeat(2, 1fr); }
.grid--3       { grid-template-columns: repeat(3, 1fr); }
.grid--4       { grid-template-columns: repeat(4, 1fr); }
.grid--cap     { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--industry{ grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
@media (max-width: 960px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* ============================================================
   NUMBERED LIST / FEATURE-LIST
   ============================================================ */
.numbered-list {
  display: grid;
  gap: 0;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.numbered-list__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-5);
  padding: var(--space-6) 0;
  background: var(--bg);
  align-items: baseline;
  border-top: 1px solid var(--line);
}
.numbered-list__item:first-child { border-top: 0; }
.numbered-list__num {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.numbered-list__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4);
  line-height: var(--leading-snug);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.numbered-list__desc {
  margin-top: var(--space-3);
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body-lg);
  color: var(--ink-2);
  max-width: 60ch;
  line-height: var(--leading-relaxed);
}
@media (max-width: 700px) {
  .numbered-list__item { grid-template-columns: 1fr; gap: var(--space-3); }
}

/* ============================================================
   HERO PARTS
   ============================================================ */
.hero {
  position: relative;
  padding-block: clamp(112px, 16vw, 220px) clamp(72px, 9vw, 128px);
}
.hero__eyebrow { margin-bottom: var(--space-5); }
.hero__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(56px, 9.5vw, 140px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 18ch;
}
/* «Brain for Autonomous Robots» — hero gradient (4-stop, 115°) */
.hero__title em {
  color: transparent;
  background: var(--grad-rai-hero);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__lead {
  margin-top: var(--space-6);
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-hero-lede);
  color: var(--ink-2);
  max-width: 60ch;
  line-height: var(--leading-relaxed);
}
.hero__cta {
  margin-top: var(--space-7);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Hero ambient glow (kept for backward-compat with markup) */
.hero__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(700px 420px at 75% 30%, rgba(124, 196, 214, 0.12) 0%, transparent 65%),
    radial-gradient(600px 380px at 20% 70%, rgba(197, 146, 235, 0.10) 0%, transparent 65%);
  opacity: .9;
}

.hero__grid {
  position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

/* Hero-divider line under hero */
.hero-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent);
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-head {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  max-width: 70ch;
}
.section-head__index {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.section-head__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h2);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--ink);
}
.section-head__lead {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body-lg);
  color: var(--ink-2);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   KEYFACT / STATS
   ============================================================ */
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  padding-block: var(--space-7);
  border-block: 1px solid var(--line);
}
.facts__item { display: grid; gap: var(--space-2); }
.facts__num {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(2rem, 3vw, 3rem);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.facts__label {
  font-family: var(--font-mono);
  font-weight: var(--weight-regular);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

/* ============================================================
   SCENARIO BLOCK
   ============================================================ */
.scenario {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-8);
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
}
.scenario__label {
  font-family: var(--font-mono); font-size: var(--fs-eyebrow);
  color: var(--ink-4); letter-spacing: var(--tracking-caps);
  text-transform: uppercase; margin-bottom: var(--space-3);
}
.scenario__title {
  font-family: var(--font-display); font-weight: var(--weight-bold);
  font-size: var(--fs-h3); color: var(--ink);
  line-height: var(--leading-snug); letter-spacing: var(--tracking-snug);
}
.scenario__desc {
  margin-top: var(--space-4); font-weight: var(--weight-regular);
  color: var(--ink-2); font-size: var(--fs-body);
  line-height: var(--leading-relaxed);
}
.scenario__steps {
  display: flex; flex-direction: column; gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--r-sm); overflow: hidden;
}
.scenario__step {
  display: grid; grid-template-columns: 64px 1fr;
  padding: var(--space-4) var(--space-5);
  background: rgba(255,255,255,0.018);
  align-items: baseline;
}
.scenario__step-n {
  font-family: var(--font-mono); font-size: var(--fs-eyebrow);
  color: var(--ink-4); letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.scenario__step-t {
  font-family: var(--font-display); font-weight: var(--weight-bold);
  font-size: var(--fs-body); color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
@media (max-width: 880px) {
  .scenario { grid-template-columns: 1fr; padding: var(--space-6); }
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent);
  margin-block: var(--space-9);
}

/* ============================================================
   BIG STATEMENT (closing)
   ============================================================ */
.statement {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-closing);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 22ch;
}
.statement--center { text-align: center; max-width: 24ch; margin-inline: auto; }
.statement em {
  color: transparent;
  background: var(--grad-rai-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  margin-top: var(--space-10);
  padding-block: var(--space-8) var(--space-6);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.015));
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-7);
}
@media (max-width: 1080px) { .site-footer__grid { grid-template-columns: 1fr 1fr 1fr; gap: var(--space-5); } }
@media (max-width: 720px)  { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px)  { .site-footer__grid { grid-template-columns: 1fr; } }
.site-footer__col h6 {
  font-family: var(--font-mono);
  font-weight: var(--weight-regular);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: var(--space-4);
}
.site-footer__col ul li { padding: 6px 0; }
.site-footer__col a {
  font-family: var(--font-display);
  font-weight: var(--weight-regular);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--ink);
  font-size: var(--fs-footer-link);
}
.site-footer__col a:hover { color: var(--rai-78); }
.site-footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: var(--space-5); flex-wrap: wrap;
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-footer);
  color: var(--ink-4);
}
.site-footer__brand {
  display: flex; align-items: center; gap: 14px; margin-bottom: var(--space-4);
}
.site-footer__brand img { height: 38px; }
.site-footer__tag {
  font-family: var(--font-body); font-weight: var(--weight-regular);
  font-size: var(--fs-body-sm); color: var(--ink-2); max-width: 36ch;
  line-height: var(--leading-relaxed);
}

/* ============================================================
   FORMS — gradient frames (container + every input)
   ============================================================ */
.form {
  display: grid;
  gap: var(--space-4);
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  padding: var(--space-7);
}
.form__row { display: grid; gap: var(--space-2); }
.form__row--double { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 700px) { .form__row--double { grid-template-columns: 1fr; } }
.form__label {
  font-family: var(--font-mono);
  font-weight: var(--weight-regular);
  font-size: var(--fs-form-label);
  letter-spacing: var(--tracking-caps);
  color: var(--ink-4);
  text-transform: uppercase;
}
.form__req { color: var(--rai-26); margin-left: 4px; }
.form__input,
.form__textarea,
.form__select {
  width: 100%;
  background: #0a0b10;
  border: 1px solid var(--line-2);
  color: var(--ink);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-weight: var(--weight-light);
  font-size: var(--fs-form-input);
  line-height: 1.4;
  transition: box-shadow var(--t-med) var(--ease-std);
}
.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(197, 146, 235, 0.25);
}
.form__textarea { min-height: 140px; resize: vertical; }

/* Success banner — shown on careers.html?sent=1 */
.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-5);
  background: #11131a;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  color: var(--ink);
}
.form-success[hidden] { display: none; }
.form-success__icon {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--grad-rai-hero);
  color: #0a0b0e;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 18px;
  flex-shrink: 0;
}
.form-success__body { display: flex; flex-direction: column; gap: 4px; }
.form-success__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 16px;
  color: var(--ink);
}
.form-success__text {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: 14px;
  color: var(--ink-2);
}

/* Neutral form variant — plain dark borders, no gradient outline */
.form.form--neutral {
  background: #11131a;
  border: 1px solid var(--line-2);
}
.form--neutral .form__input,
.form--neutral .form__textarea,
.form--neutral .form__select {
  background: #0a0b10;
  border: 1px solid var(--line-2);
}
.form--neutral .form__input:focus,
.form--neutral .form__textarea:focus,
.form--neutral .form__select:focus {
  border-color: rgba(255, 255, 255, 0.32);
  box-shadow: 0 0 0 3px rgba(197, 146, 235, 0.18);
}
.form__consent {
  display: flex; align-items: flex-start; gap: 10px;
  font-family: var(--font-body); font-weight: var(--weight-regular);
  font-size: 14px; color: var(--ink-2);
}
.form__consent input { margin-top: 4px; accent-color: var(--rai-52); }

/* Inline error message (Web3Forms submit failure) */
.form-error {
  font-family: var(--font-body);
  font-size: 14px;
  color: #f0a4a4;
  background: rgba(180, 60, 60, 0.08);
  border: 1px solid rgba(240, 120, 120, 0.32);
  border-radius: var(--r-sm);
  padding: 10px 14px;
}
.form-error[hidden] { display: none; }
.form__submit[disabled] { opacity: 0.55; cursor: not-allowed; }
.form__submit { justify-self: start; margin-top: var(--space-2); }

/* ============================================================
   BADGE / PILL
   ============================================================ */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.pill__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--rai-100);
  box-shadow: 0 0 12px var(--rai-100);
}
.pill__dot--rose {
  background: var(--rai-26);
  box-shadow: 0 0 12px var(--rai-26);
}

/* ============================================================
   STACK — Category layer visualization (vertical layered rows)
   ============================================================ */
.stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
}
.stack__row {
  display: grid;
  grid-template-columns: 56px 200px 1fr auto;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background: #11131a;
  border-top: 1px solid var(--line);
  transition: background var(--t-med) var(--ease-std);
}
.stack__row:first-child { border-top: 0; }
.stack__row:hover { background: rgba(255,255,255,0.025); }
.stack__row--accent {
  background:
    linear-gradient(90deg, rgba(124,196,214,0.08), rgba(197,146,235,0.06)),
    #11131a;
  border-left: 2px solid var(--rai-52);
  padding-left: calc(var(--space-6) - 2px);
}
.stack__row--accent:hover {
  background:
    linear-gradient(90deg, rgba(124,196,214,0.12), rgba(197,146,235,0.09)),
    #11131a;
}
.stack__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.stack__name {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4-sm);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.stack__row--accent .stack__name {
  background: var(--grad-rai-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.stack__desc {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  color: var(--ink-2);
  font-size: var(--fs-body-sm);
  line-height: var(--leading-snug);
}
.stack__chip {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  color: #0a0b0e;
  background: var(--grad-rai-hero);
  text-transform: uppercase;
  font-weight: var(--weight-bold);
}
@media (max-width: 720px) {
  .stack__row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
  }
  .stack__chip { justify-self: start; }
}

/* ============================================================
   LOOP — Cognitive loop visualization (horizontal nodes + arrows)
   ============================================================ */
.loop {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-7) var(--space-6);
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
}
.loop__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: var(--space-4) var(--space-3);
  min-width: 96px;
  background: radial-gradient(circle at 30% 28%, #161922 0%, #0a0b10 78%);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  transition: border-color var(--t-med) var(--ease-std), transform var(--t-med) var(--ease-std);
}
.loop__node:hover {
  border-color: var(--rai-78);
  transform: translateY(-2px);
}
.loop__num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.loop__name {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.loop__arrow {
  font-family: var(--font-mono);
  color: var(--rai-52);
  font-size: 18px;
  line-height: 1;
}
@media (max-width: 720px) {
  .loop { flex-direction: column; align-items: stretch; }
  .loop__arrow { transform: rotate(90deg); align-self: center; }
}

/* ============================================================
   LADDER — Deployment readiness levels (vertical numbered rows)
   ============================================================ */
.ladder {
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
}
.ladder__row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--line);
  transition: background var(--t-med) var(--ease-std);
}
.ladder__row:first-child { border-top: 0; }
.ladder__row:hover { background: rgba(255,255,255,0.022); }
.ladder__level {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  align-self: start;
  padding-top: 4px;
}
.ladder__level strong {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: var(--weight-bold);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-top: 2px;
}
.ladder__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4-sm);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.ladder__desc {
  margin-top: 6px;
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: var(--leading-relaxed);
  max-width: 64ch;
}
@media (max-width: 700px) {
  .ladder__row { grid-template-columns: 1fr; gap: var(--space-2); }
}

/* ============================================================
   ISNOT — "What this is / is not" two-column comparison
   ============================================================ */
.isnot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.isnot__col {
  padding: var(--space-6);
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
}
.isnot__col--is {
  background:
    linear-gradient(180deg, rgba(124,196,214,0.06), rgba(197,146,235,0.04)),
    #11131a;
}
.isnot__head {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: var(--space-4);
}
.isnot__col--is .isnot__head {
  background: var(--grad-rai-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.isnot__list { display: flex; flex-direction: column; gap: var(--space-3); }
.isnot__item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: var(--space-3);
  align-items: baseline;
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}
.isnot__mark {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0;
  color: var(--ink-4);
}
.isnot__col--is .isnot__mark { color: var(--rai-100); }
.isnot__col--not .isnot__mark { color: var(--rai-26); }
@media (max-width: 720px) {
  .isnot { grid-template-columns: 1fr; }
}

/* ============================================================
   MODULE GRID — Architecture modules (titled tiles)
   ============================================================ */
.module {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  min-height: 160px;
  transition: transform var(--t-med) var(--ease-std), box-shadow var(--t-med) var(--ease-std);
}
.module:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-card-hover);
}
.module__index {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.module__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4-sm);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
}
.module__desc {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}

/* ============================================================
   DOMAIN BLOCK — Industry deep card with three sub-sections
   ============================================================ */
.domain {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-6);
  padding: var(--space-7);
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
}
.domain__head { display: flex; flex-direction: column; gap: var(--space-3); }
.domain__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.domain__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h3);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
}
.domain__body { display: flex; flex-direction: column; gap: var(--space-4); }
.domain__row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}
.domain__row:first-child { border-top: 0; padding-top: 0; }
.domain__row-label {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.domain__row-text {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}
@media (max-width: 880px) {
  .domain { grid-template-columns: 1fr; padding: var(--space-6); }
  .domain__row { grid-template-columns: 1fr; gap: var(--space-2); }
}

/* ============================================================
   DIAGRAM (Intelligence layer schematic)
   ============================================================ */
.diagram {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background:
    linear-gradient(#11131a, #11131a) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
}
.diagram__layer {
  background: transparent;
  padding: var(--space-5) var(--space-6);
  display: grid; grid-template-columns: 200px 1fr auto;
  gap: var(--space-5);
  align-items: center;
  border-top: 1px solid var(--line);
}
.diagram__layer:first-child { border-top: 0; }
.diagram__layer--accent {
  background: linear-gradient(90deg, rgba(124,196,214,0.06), rgba(197,146,235,0.04));
  border-left: 2px solid var(--rai-52);
}
.diagram__label {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.diagram__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.diagram__desc {
  grid-column: 1 / -1;
  margin-top: 6px;
  font-family: var(--font-body); font-weight: var(--weight-regular);
  font-size: var(--fs-body); color: var(--ink-2);
  max-width: 72ch;
  line-height: var(--leading-relaxed);
}
.diagram__chip {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--ink-4);
  text-transform: uppercase;
}
@media (max-width: 700px) {
  .diagram__layer { grid-template-columns: 1fr; }
  .diagram__chip { justify-self: start; }
}

/* ============================================================
   DIAGRAM — circles variant (.diagram--circles)
   5 primitives as a wavy row of circular nodes.
   ============================================================ */
.diagram.diagram--circles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  background: none;
  border: 0;
  border-radius: 0;
  overflow: visible;
  padding-block: var(--space-7);
}
.diagram--circles .diagram__layer {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  padding: var(--space-5);
  background:
    radial-gradient(circle at 30% 28%, #161922 0%, #0a0b10 78%) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-left-width: 1.5px;          /* override row variant */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  isolation: isolate;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease-std),
              box-shadow var(--t-med) var(--ease-std);
}
.diagram--circles .diagram__layer--accent {
  background:
    radial-gradient(circle at 30% 28%, #161922 0%, #0a0b10 78%) padding-box,
    var(--grad-rai) border-box;
}
.diagram--circles .diagram__layer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-rai-hero);
  opacity: 0;
  transition: opacity var(--t-med) var(--ease-std);
  z-index: -1;
  border-radius: 50%;
}
.diagram--circles .diagram__layer:hover::before { opacity: 0.95; }
.diagram--circles .diagram__layer:hover .diagram__label,
.diagram--circles .diagram__layer:hover .diagram__title,
.diagram--circles .diagram__layer:hover .diagram__chip,
.diagram--circles .diagram__layer:hover .diagram__desc { color: #0a0b0e; }
.diagram--circles .diagram__layer:hover .diagram__chip {
  border-color: rgba(10, 11, 14, 0.3);
  color: #0a0b0e;
}

/* Re-size text to fit inside a circle */
.diagram--circles .diagram__label {
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  transition: opacity var(--t-fast) var(--ease-std);
}
.diagram--circles .diagram__title {
  font-size: clamp(13px, 1.2vw, 17px);
  line-height: 1.15;
  letter-spacing: var(--tracking-snug);
  max-width: 95%;
  transition: opacity var(--t-fast) var(--ease-std);
}
.diagram--circles .diagram__chip {
  font-size: 9.5px;
  padding: 3px 8px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--ink-4);
  transition: opacity var(--t-fast) var(--ease-std), color var(--t-med) var(--ease-std), border-color var(--t-med) var(--ease-std);
}

/* Description hidden by default — appears on hover as overlay */
.diagram--circles .diagram__desc {
  position: absolute;
  inset: 10% 8%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: clamp(10px, 0.85vw, 12.5px);
  line-height: 1.35;
  color: var(--ink-2);
  opacity: 0;
  transition: opacity var(--t-med) var(--ease-std), color var(--t-med) var(--ease-std);
  pointer-events: none;
  z-index: 2;
  max-width: none;
}
.diagram--circles .diagram__layer:hover .diagram__desc { opacity: 1; }
.diagram--circles .diagram__layer:hover .diagram__label,
.diagram--circles .diagram__layer:hover .diagram__title,
.diagram--circles .diagram__layer:hover .diagram__chip { opacity: 0; }

/* Wave layout — alternating vertical offsets */
.diagram--circles .diagram__layer:nth-child(odd)  { transform: translateY(-22px); }
.diagram--circles .diagram__layer:nth-child(even) { transform: translateY(22px);  }
.diagram--circles .diagram__layer:nth-child(odd):hover  { transform: translateY(-26px) scale(1.06); box-shadow: 0 18px 44px -14px rgba(197,146,235,0.55); }
.diagram--circles .diagram__layer:nth-child(even):hover { transform: translateY(18px)  scale(1.06); box-shadow: 0 18px 44px -14px rgba(197,146,235,0.55); }

@media (max-width: 960px) {
  .diagram.diagram--circles { grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
  .diagram--circles .diagram__layer:nth-child(odd),
  .diagram--circles .diagram__layer:nth-child(even) { transform: none; }
  .diagram--circles .diagram__layer:nth-child(odd):hover,
  .diagram--circles .diagram__layer:nth-child(even):hover { transform: scale(1.05); }
}
@media (max-width: 600px) {
  .diagram.diagram--circles { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity   var(--t-slow) var(--ease-rev),
    transform var(--t-slow) var(--ease-rev);
  will-change: opacity, transform;
}
.reveal.is-visible,
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }
.reveal[data-delay="5"] { transition-delay: 360ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   PORTRAIT MODULE (optional — reserved for pages with portrait)
   ============================================================ */
.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  max-width: 420px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-portrait);
}
.portrait::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(60,90,160,0.15) 0%, transparent 30%),
    linear-gradient(0deg,   rgba(6,7,10,0.55)  0%, transparent 45%);
  pointer-events: none;
}
.portrait__corner {
  position: absolute; width: 18px; height: 18px;
  border: 1px solid var(--ink);
  pointer-events: none;
}
.portrait__corner--tl { top: 8px;    left: 8px;    border-right: 0; border-bottom: 0; }
.portrait__corner--tr { top: 8px;    right: 8px;   border-left: 0;  border-bottom: 0; }
.portrait__corner--bl { bottom: 8px; left: 8px;    border-right: 0; border-top: 0; }
.portrait__corner--br { bottom: 8px; right: 8px;   border-left: 0;  border-top: 0; }

/* ============================================================
   UTILS
   ============================================================ */
.flex          { display: flex; }
.flex--col     { flex-direction: column; }
.flex--center  { align-items: center; justify-content: center; }
.flex--between { justify-content: space-between; align-items: center; }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* Section padding modifiers */
.section--pb-half { padding-bottom: calc(var(--pad-y) / 2); }
.section--pt-half { padding-top:    calc(var(--pad-y) / 2); }

.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }
.mt-8 { margin-top: var(--space-8); }

.text-center { text-align: center; }


/* ============================================================
   4. SYSTEM VISUALIZATION PRIMITIVES
   Operational components: icons, flow diagrams, telemetry panels,
   memory graphs, escalation flows, fleet coordination, signal cards,
   integration walls. Built for infrastructure aesthetic, not glossy.
   ============================================================ */

/* ---------- Icon system (thin-line, monochrome) ---------- */
.icon {
  display: inline-block;
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
  flex-shrink: 0;
}
.icon--sm { width: 16px; height: 16px; }
.icon--lg { width: 32px; height: 32px; }
.icon--xl { width: 48px; height: 48px; }
.icon--accent { color: var(--rai-78); }
.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background:
    linear-gradient(#0c0e14, #0c0e14) padding-box,
    var(--grad-rai) border-box;
  border: 1px solid transparent;
  color: var(--ink);
  flex-shrink: 0;
}
.icon-tile--lg { width: 56px; height: 56px; }
.icon-tile--sm { width: 36px; height: 36px; }
.icon-tile .icon { width: 22px; height: 22px; }

/* ---------- Telemetry panel — dashboard-style strip ---------- */
.telemetry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
}
.telemetry__cell {
  background: #0c0e14;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  min-height: 124px;
}
.telemetry__label {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.telemetry__value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(28px, 3.2vw, 40px);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.telemetry__unit {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  margin-left: 4px;
}
.telemetry__trend {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rai-100);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.telemetry__trend--down  { color: var(--rai-26); }
.telemetry__trend--steady { color: var(--ink-4); }
.telemetry__bar {
  height: 4px;
  margin-top: auto;
  background: rgba(255,255,255,0.04);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.telemetry__bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--fill, 70%);
  background: var(--grad-rai-hero);
  border-radius: 2px;
}
.telemetry__spark {
  width: 100%;
  height: 28px;
  margin-top: auto;
}
.telemetry__spark path {
  fill: none;
  stroke: var(--rai-78);
  stroke-width: 1.5;
  stroke-linecap: round;
}
.telemetry__spark .fill {
  fill: url(#sparkfill);
  stroke: none;
  opacity: 0.18;
}

/* ---------- Signal card — operational anomaly / field signal ---------- */
.signal {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-5);
  background: #0c0e14;
  border: 1px solid var(--line);
  border-left: 2px solid var(--rai-52);
  border-radius: var(--r-sm);
  transition: border-color var(--t-med) var(--ease-std), background var(--t-med) var(--ease-std);
}
.signal:hover {
  background: rgba(255,255,255,0.025);
  border-left-color: var(--rai-78);
}
.signal__icon {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.02);
  color: var(--rai-78);
  flex-shrink: 0;
}
.signal__icon .icon { width: 18px; height: 18px; }
.signal__body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.signal__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: 1.25;
}
.signal__desc {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}
.signal__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  padding-top: 4px;
  white-space: nowrap;
}
.signal--warn { border-left-color: var(--rai-0); }
.signal--warn .signal__icon { color: var(--rai-0); }
.signal--ok   { border-left-color: var(--rai-100); }
.signal--ok   .signal__icon { color: var(--rai-100); }

.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-3);
}

/* ---------- Flow diagram — runtime lifecycle (horizontal pipeline) ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0;
  align-items: stretch;
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
}
.flow__cell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: var(--space-5);
  background: #0c0e14;
  border-right: 1px solid var(--line);
  position: relative;
  transition: background var(--t-med) var(--ease-std);
}
.flow__cell:last-child { border-right: 0; }
.flow__cell:hover { background: rgba(255,255,255,0.025); }
.flow__cell::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -7px;
  width: 14px; height: 14px;
  transform: translateY(-50%) rotate(45deg);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: #0c0e14;
  z-index: 2;
  display: none;
}
@media (min-width: 760px) {
  .flow__cell:not(:last-child)::after { display: block; }
}
.flow__cell--accent {
  background:
    linear-gradient(180deg, rgba(124,196,214,0.10), rgba(197,146,235,0.07)),
    #0c0e14;
  border-top: 1px solid rgba(197,146,235,0.25);
}
.flow__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.flow__name {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: 1.2;
}
.flow__desc {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}
.flow__icon { color: var(--rai-78); }

/* Flow pulse animation — slow signal sweep across the row */
.flow::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: -20%;
  width: 12%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(197, 146, 235, 0.08) 35%,
    rgba(124, 196, 214, 0.12) 50%,
    rgba(197, 146, 235, 0.08) 65%,
    transparent 100%);
  pointer-events: none;
  animation: flow-pulse 9s linear infinite;
  z-index: 1;
}
@keyframes flow-pulse {
  0%   { transform: translateX(0); }
  100% { transform: translateX(950%); }
}
@media (prefers-reduced-motion: reduce) {
  .flow::before { animation: none; opacity: 0; }
}

/* ---------- Topology — node-edge network (memory / fleet / escalation) ---------- */
.topology {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: var(--space-7) var(--space-6);
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  position: relative;
  overflow: hidden;
}
.topology__svg {
  width: 100%;
  height: auto;
  display: block;
}
.topology__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}
.topology__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.topology__legend-swatch {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--rai-52);
  box-shadow: 0 0 10px var(--rai-52);
}
.topology__legend-swatch--cool { background: var(--rai-100); box-shadow: 0 0 10px var(--rai-100); }
.topology__legend-swatch--warm { background: var(--rai-26); box-shadow: 0 0 10px var(--rai-26); }
.topology__legend-swatch--mute { background: rgba(255,255,255,0.22); box-shadow: none; }

/* Animated edges inside topology SVG */
.topology__edge {
  stroke-dasharray: 4 6;
  animation: edge-flow 14s linear infinite;
}
.topology__edge--slow { animation-duration: 22s; }
@keyframes edge-flow {
  to { stroke-dashoffset: -200; }
}
@media (prefers-reduced-motion: reduce) {
  .topology__edge { animation: none; }
}

.topology__pulse {
  transform-origin: center;
  animation: node-pulse 3.6s ease-in-out infinite;
}
.topology__pulse--b { animation-delay: 1.2s; }
.topology__pulse--c { animation-delay: 2.4s; }
@keyframes node-pulse {
  0%, 100% { opacity: 0.85; r: 5; }
  50%      { opacity: 1;    r: 7; }
}
@media (prefers-reduced-motion: reduce) {
  .topology__pulse { animation: none; }
}

/* ---------- Compare two-column (Pilot vs Deployment, Without vs With) ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.compare__col {
  position: relative;
  padding: var(--space-6);
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.compare__col--neg {
  background:
    linear-gradient(180deg, rgba(242,151,200,0.06), rgba(245,180,135,0.04)),
    #0c0e14;
  border-color: rgba(242,151,200,0.18);
}
.compare__col--pos {
  background:
    linear-gradient(180deg, rgba(124,196,214,0.08), rgba(138,174,232,0.05)),
    #0c0e14;
  border-color: rgba(124,196,214,0.22);
}
.compare__head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--line);
}
.compare__col--neg .compare__head { color: var(--rai-26); }
.compare__col--pos .compare__head { color: var(--rai-100); }
.compare__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4-sm);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
}
.compare__list { display: flex; flex-direction: column; gap: var(--space-3); }
.compare__item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: baseline;
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}
.compare__mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--ink-4);
}
.compare__col--neg .compare__mark { color: var(--rai-26); }
.compare__col--pos .compare__mark { color: var(--rai-100); }
.compare__metric {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.compare__metric-value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(24px, 2.4vw, 32px);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.compare__metric-label {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
@media (max-width: 720px) {
  .compare { grid-template-columns: 1fr; }
}

/* ---------- Integration wall — visual fragmentation -> coherence ---------- */
.intwall {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: var(--space-5);
  align-items: center;
  padding: var(--space-7) var(--space-6);
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
}
.intwall__side {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.intwall__side h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: var(--weight-regular);
  margin-bottom: var(--space-2);
}
.intwall__chip {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: 13px;
  padding: 8px 12px;
  background: #0c0e14;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  color: var(--ink-2);
  letter-spacing: var(--tracking-snug);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.intwall__chip::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.22);
  flex-shrink: 0;
}
.intwall__side--left .intwall__chip { transform: rotate(-1.2deg); }
.intwall__side--left .intwall__chip:nth-child(odd)  { transform: rotate(1.5deg); margin-left: 8px; }
.intwall__side--left .intwall__chip:nth-child(even) { transform: rotate(-1deg);  margin-left: -4px; }
.intwall__side--right .intwall__chip {
  background:
    linear-gradient(#0c0e14, #0c0e14) padding-box,
    var(--grad-rai) border-box;
  border: 1px solid transparent;
  color: var(--ink);
}
.intwall__side--right .intwall__chip::before {
  background: var(--rai-78);
  box-shadow: 0 0 10px var(--rai-78);
}
.intwall__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: var(--rai-52);
}
.intwall__arrow svg { width: 60px; height: 22px; }
.intwall__arrow-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  text-align: center;
  max-width: 100px;
  line-height: 1.3;
}
@media (max-width: 760px) {
  .intwall { grid-template-columns: 1fr; }
  .intwall__arrow { transform: rotate(90deg); padding: var(--space-3) 0; }
}

/* ---------- Failure-mode grid — deployment failures with severity ---------- */
.failmodes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-3);
}
.failmode {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background:
    linear-gradient(180deg, rgba(242,151,200,0.04), rgba(245,180,135,0.02)),
    #0c0e14;
  border: 1px solid rgba(242,151,200,0.14);
  border-radius: var(--r-sm);
  position: relative;
  overflow: hidden;
}
.failmode::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--rai-26);
}
.failmode__head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.failmode__icon {
  width: 28px; height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--rai-26);
}
.failmode__icon .icon { width: 18px; height: 18px; }
.failmode__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-26);
}
.failmode__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.failmode__desc {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}

/* ---------- Escalation flow — vertical operator routing ---------- */
.escalation {
  display: flex;
  flex-direction: column;
  gap: 0;
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
}
.escalation__row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--line);
  background: #0c0e14;
  position: relative;
}
.escalation__row:first-child { border-top: 0; }
.escalation__row:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 28px;
  bottom: -8px;
  width: 1px;
  height: 16px;
  background: var(--rai-52);
  box-shadow: 0 0 6px var(--rai-52);
  z-index: 2;
}
.escalation__node {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  background:
    radial-gradient(circle at 30% 28%, #161922 0%, #0a0b10 78%) padding-box,
    var(--grad-rai) border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rai-78);
  flex-shrink: 0;
}
.escalation__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.escalation__desc {
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
  max-width: 60ch;
}
.escalation__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  white-space: nowrap;
}
.escalation__meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  margin-top: 2px;
}
@media (max-width: 700px) {
  .escalation__row { grid-template-columns: 40px 1fr; }
  .escalation__meta { grid-column: 2; padding-top: var(--space-2); }
}

/* ---------- Memory layers — stacked architecture (episodic / site / fleet) ---------- */
.memgraph {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
}
.memgraph__legend {
  padding: var(--space-6);
  background: #0c0e14;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.memgraph__legend-title {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.memgraph__visual {
  position: relative;
  min-height: 320px;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: 0;
  justify-content: center;
}
.memgraph__layer {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: var(--space-5);
  align-items: center;
  padding: var(--space-4) var(--space-5);
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  position: relative;
  z-index: 2;
}
.memgraph__layer + .memgraph__layer { margin-top: var(--space-3); }
.memgraph__layer-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.memgraph__layer-title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.memgraph__layer-desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
  margin-top: 2px;
}
.memgraph__layer-scale {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-78);
  white-space: nowrap;
}
.memgraph__layer--episodic { border-left: 2px solid var(--rai-0); }
.memgraph__layer--site     { border-left: 2px solid var(--rai-52); }
.memgraph__layer--fleet    { border-left: 2px solid var(--rai-100); }
.memgraph__layer--ops      { border-left: 2px solid var(--rai-78); }
@media (max-width: 760px) {
  .memgraph { grid-template-columns: 1fr; }
  .memgraph__legend { border-right: 0; border-bottom: 1px solid var(--line); }
  .memgraph__layer { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- Fleet map — coordination grid ---------- */
.fleetmap {
  position: relative;
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  padding: var(--space-6);
  overflow: hidden;
}
.fleetmap__svg {
  width: 100%;
  display: block;
  height: auto;
}
.fleetmap__meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-5);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.fleetmap__stat {
  display: flex; flex-direction: column; gap: 4px;
}
.fleetmap__stat-value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(20px, 2vw, 26px);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.fleetmap__stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}

/* ---------- Field-note card — short observational signal ---------- */
.fieldnote {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  position: relative;
  transition: transform var(--t-med) var(--ease-std), border-color var(--t-med) var(--ease-std);
}
.fieldnote:hover {
  transform: translateY(-2px);
  border-color: var(--line-2);
}
.fieldnote__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--line-2);
}
.fieldnote__loc {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.fieldnote__loc strong {
  color: var(--ink);
  margin-right: 8px;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-snug);
}
.fieldnote__time {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-78);
}
.fieldnote__obs {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}

/* ---------- KPI strip — small operational numbers row ---------- */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0;
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.kpi {
  padding: var(--space-4) var(--space-5);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi:last-child { border-right: 0; }
.kpi__value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(20px, 2vw, 26px);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.kpi__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
@media (max-width: 700px) {
  .kpi { border-right: 0; border-bottom: 1px solid var(--line); }
  .kpi:last-child { border-bottom: 0; }
}

/* ---------- Stack — expanded variant (interactive layered, Cognitive OS dominant) ---------- */
.stack--xl .stack__row {
  grid-template-columns: 56px 220px 1fr auto;
  padding: var(--space-5) var(--space-6);
}
.stack--xl .stack__row--accent {
  padding-block: var(--space-7);
  background:
    linear-gradient(90deg, rgba(124,196,214,0.12), rgba(197,146,235,0.08)),
    #11131a;
}
.stack--xl .stack__row--accent .stack__desc {
  font-size: var(--fs-body);
  color: var(--ink-2);
}
.stack__sublist {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--line-2);
}
.stack__sublist-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink);
}
.stack__sublist-item .icon {
  color: var(--rai-78);
  width: 14px; height: 14px;
}

/* ---------- Spec table — operational specs (Lvl 0..5, intervention rates, etc) ---------- */
.spec {
  width: 100%;
  border-collapse: collapse;
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  font-family: var(--font-body);
}
.spec th, .spec td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-body-sm);
}
.spec tr:last-child td { border-bottom: 0; }
.spec th {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: var(--weight-regular);
  background: rgba(255,255,255,0.018);
}
.spec td {
  color: var(--ink-2);
}
.spec td:first-child {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}

/* ---------- Process pipeline (deployment intake, etc) ---------- */
.pipeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3);
}
.pipeline__step {
  position: relative;
  padding: var(--space-5);
  background:
    linear-gradient(#0c0e14, #0c0e14) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pipeline__step-n {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-78);
}
.pipeline__step-t {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.pipeline__step-d {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}

/* ---------- Quote / observation block ---------- */
.observation {
  padding: var(--space-7) var(--space-6);
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  position: relative;
}
.observation__mark {
  position: absolute;
  top: var(--space-4);
  left: var(--space-5);
  font-family: var(--font-display);
  font-size: 64px;
  color: var(--rai-52);
  opacity: 0.4;
  line-height: 0.8;
  font-weight: var(--weight-bold);
}
.observation__body {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: clamp(20px, 2.2vw, 28px);
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: var(--tracking-snug);
  padding-left: 36px;
  max-width: 60ch;
}
.observation__meta {
  margin-top: var(--space-5);
  padding-left: 36px;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}

/* ---------- Section eyebrow chip (with thin rule + dot pulse) ---------- */
.eyebrow-line {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.eyebrow-line::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--rai-78);
}
.eyebrow-line__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--rai-78);
  box-shadow: 0 0 12px var(--rai-78);
  animation: dot-blink 2.6s ease-in-out infinite;
}
@keyframes dot-blink {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .eyebrow-line__dot { animation: none; }
}

/* ---------- Big-numbered list with icons (replaces some numbered-list) ---------- */
.principles {
  display: grid;
  gap: var(--space-3);
}
.principle {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  align-items: start;
  transition: border-color var(--t-med) var(--ease-std);
}
.principle:hover { border-color: var(--line-2); }
.principle__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-78);
  padding-top: 6px;
}
.principle__num strong {
  display: block;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 24px;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.principle__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4-sm);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
}
.principle__desc {
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: var(--leading-relaxed);
  max-width: 60ch;
}

/* ---------- Industry environment overview (sub-page header strip) ---------- */
.env {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.env__cell {
  padding: var(--space-5);
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.env__cell-label {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.env__cell-value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4-sm);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
}
.env__cell-desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.45;
}
@media (max-width: 700px) {
  .env { grid-template-columns: 1fr; }
}

/* ---------- Page hero variant with hud-style overlay ---------- */
.hero--hud {
  position: relative;
}
.hero--hud::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 0%, transparent 96%, rgba(255,255,255,0.025) 100%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 119px,
      rgba(255,255,255,0.018) 120px
    );
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.hero__telemetry {
  position: absolute;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  pointer-events: none;
}
.hero__telemetry-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero__telemetry-row::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--rai-78);
  box-shadow: 0 0 8px var(--rai-78);
}
@media (min-width: 1200px) {
  .hero__telemetry { display: flex; }
}

/* ---------- Stack lifecycle (perception -> action) horizontal mini ---------- */
.lifecycle {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-top: var(--space-4);
}
.lifecycle__cell {
  padding: 10px;
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: 4px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.lifecycle__cell--active {
  background:
    linear-gradient(180deg, rgba(124,196,214,0.12), rgba(197,146,235,0.06)),
    #0c0e14;
  border-color: rgba(197,146,235,0.32);
  color: var(--ink);
}
@media (max-width: 720px) {
  .lifecycle { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Two-col grid utility for mixed layouts ---------- */
.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}
.split--reverse { grid-template-columns: 1fr 1.1fr; }
@media (max-width: 880px) {
  .split, .split--reverse { grid-template-columns: 1fr; }
}

/* ---------- Subtle infrastructure pulse — generic decorative line ---------- */
.pulseline {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rai-78), transparent);
  position: relative;
  overflow: visible;
}
.pulseline::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--rai-78), transparent);
  filter: blur(2px);
  animation: pulse-sweep 6s ease-in-out infinite;
}
@keyframes pulse-sweep {
  0%   { left: -10%; opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .pulseline::after { animation: none; opacity: 0; }
}

/* ---------- Visual cap for closing statements ---------- */
.section--closing {
  position: relative;
}
.section--closing::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: clamp(200px, 30%, 360px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rai-52), transparent);
}


/* ============================================================
   5. OPERATIONAL BRUTALITY PRIMITIVES
   Anomaly logs, transcripts, postmortems, cost strips, death
   modes, recovery loops, scars. Built for field reality, not
   for elegance.
   ============================================================ */

/* ---------- Anomaly log — terminal-style event stream ---------- */
.anolog {
  background: #07080c;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  position: relative;
}
.anolog::before {
  content: 'live log · t-12h';
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-78);
}
.anolog__head {
  padding: 12px 18px;
  background: rgba(255,255,255,0.018);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-4);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.anolog__head-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--rai-26);
  box-shadow: 0 0 8px var(--rai-26);
  animation: dot-blink 2.4s ease-in-out infinite;
}
.anolog__row {
  display: grid;
  grid-template-columns: 96px 110px 1fr auto;
  gap: var(--space-4);
  padding: 10px 18px;
  border-top: 1px solid rgba(255,255,255,0.04);
  align-items: baseline;
  color: var(--ink-2);
}
.anolog__row:first-of-type { border-top: 0; }
.anolog__t {
  color: var(--ink-4);
  letter-spacing: 0.04em;
}
.anolog__sev {
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.anolog__sev--warn  { color: var(--rai-0); }
.anolog__sev--crit  { color: var(--rai-26); }
.anolog__sev--info  { color: var(--rai-78); }
.anolog__sev--ok    { color: var(--rai-100); }
.anolog__msg { color: var(--ink); }
.anolog__msg em {
  color: var(--rai-26);
  font-style: normal;
}
.anolog__cost {
  font-size: 11px;
  color: var(--rai-26);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  white-space: nowrap;
}
.anolog__cost--ok { color: var(--rai-100); }
@media (max-width: 720px) {
  .anolog__row { grid-template-columns: 1fr; gap: 4px; }
  .anolog__cost { justify-self: start; }
}

/* ---------- Transcript — operator quote with attribution ---------- */
.transcript {
  display: grid;
  grid-template-columns: 4px 1fr;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6) var(--space-5) var(--space-5);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  position: relative;
}
.transcript::before {
  content: '';
  background: var(--grad-rai);
  border-radius: 2px;
}
.transcript__body {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: clamp(17px, 1.6vw, 21px);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: 1.35;
}
.transcript__attr {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.transcript__attr strong {
  color: var(--ink);
  font-family: var(--font-display);
  letter-spacing: var(--tracking-snug);
  margin-right: 8px;
}
.transcript--harsh {
  background:
    linear-gradient(180deg, rgba(242,151,200,0.06), rgba(245,180,135,0.03)),
    rgba(255,255,255,0.02);
  border-color: rgba(242,151,200,0.18);
}
.transcript--harsh::before { background: var(--rai-26); }

.transcript-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-4);
}

/* ---------- Postmortem timeline — asymmetric event chain ---------- */
.postmortem {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
}
.postmortem__row {
  display: grid;
  grid-template-columns: 130px 60px 1fr 1fr;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--line);
  position: relative;
  align-items: start;
}
.postmortem__row:first-of-type { border-top: 0; }
.postmortem__row::before {
  content: '';
  position: absolute;
  left: 158px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--line);
}
.postmortem__row:first-of-type::before { top: 50%; }
.postmortem__row:last-of-type::before { bottom: 50%; }
.postmortem__t {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  padding-top: 2px;
}
.postmortem__t strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: var(--weight-bold);
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-top: 2px;
}
.postmortem__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  margin-top: 6px;
  background: #0a0b10;
  border: 2px solid var(--rai-52);
  justify-self: center;
  position: relative;
  z-index: 1;
}
.postmortem__row--crit .postmortem__dot { border-color: var(--rai-26); box-shadow: 0 0 10px var(--rai-26); }
.postmortem__row--ok   .postmortem__dot { border-color: var(--rai-100); box-shadow: 0 0 10px var(--rai-100); }
.postmortem__what {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: 1.35;
}
.postmortem__what em {
  color: var(--rai-26);
  font-style: normal;
}
.postmortem__why {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.5;
}
.postmortem__cost {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-26);
}
.postmortem__cost::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--rai-26);
}
.postmortem__cost--ok { color: var(--rai-100); }
.postmortem__cost--ok::before { background: var(--rai-100); }
@media (max-width: 760px) {
  .postmortem__row { grid-template-columns: 1fr; gap: var(--space-2); padding: var(--space-4) var(--space-5); }
  .postmortem__row::before { display: none; }
  .postmortem__dot { display: none; }
}

/* ---------- Cost strip — economic consequence band ---------- */
.coststrip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.coststrip__cell {
  background:
    linear-gradient(180deg, rgba(242,151,200,0.04), rgba(245,180,135,0.02)),
    #0c0e14;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-bottom: 2px solid var(--rai-26);
}
.coststrip__cell--ok {
  background:
    linear-gradient(180deg, rgba(124,196,214,0.06), rgba(138,174,232,0.03)),
    #0c0e14;
  border-bottom-color: var(--rai-100);
}
.coststrip__label {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.coststrip__value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(22px, 2.4vw, 30px);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.coststrip__sub {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}

/* ---------- Scar — irreversible/painful callout ---------- */
.scar {
  position: relative;
  padding: var(--space-7) var(--space-6) var(--space-7) calc(var(--space-7) + 12px);
  background:
    linear-gradient(180deg, rgba(242,151,200,0.05), rgba(245,180,135,0.03)),
    #0a0b10;
  border: 1px solid rgba(242,151,200,0.18);
  border-radius: var(--r-md);
  overflow: hidden;
}
.scar::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--rai-26), var(--rai-0));
}
.scar__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-26);
  margin-bottom: var(--space-3);
}
.scar__tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--rai-26);
  box-shadow: 0 0 10px var(--rai-26);
}
.scar__body {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: clamp(20px, 2.2vw, 28px);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: 1.3;
  max-width: 56ch;
}
.scar__body em {
  color: var(--rai-26);
  font-style: normal;
}
.scar__meta {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(242,151,200,0.18);
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.scar__meta strong {
  color: var(--ink);
  font-family: var(--font-display);
  letter-spacing: var(--tracking-snug);
}

/* ---------- Death-mode — "how deployments die" tile ---------- */
.deathmode {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  background: #0c0e14;
  border: 1px solid var(--line);
  border-left: 3px solid var(--rai-26);
  border-radius: var(--r-sm);
  position: relative;
  overflow: hidden;
}
.deathmode__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
}
.deathmode__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-26);
}
.deathmode__where {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.deathmode__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4-sm);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: 1.25;
}
.deathmode__title em {
  color: var(--rai-26);
  font-style: normal;
}
.deathmode__why {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}
.deathmode__cost {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
}
.deathmode__cost::before {
  content: '€';
  display: inline-flex;
  width: 16px; height: 16px;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 12px;
  color: var(--rai-26);
}

/* ---------- Recovery loop — degraded → recovered cycle ---------- */
.recoverloop {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-6);
  align-items: stretch;
  padding: var(--space-7) var(--space-6);
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
}
.recoverloop__svg {
  width: 100%;
  height: auto;
  align-self: center;
}
.recoverloop__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.recoverloop__item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: var(--space-4);
  align-items: start;
}
.recoverloop__node {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  background:
    radial-gradient(circle at 30% 28%, #161922 0%, #0a0b10 78%) padding-box,
    var(--grad-rai) border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rai-78);
  font-weight: var(--weight-bold);
}
.recoverloop__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-body);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.recoverloop__desc {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: 1.5;
  margin-top: 2px;
}
@media (max-width: 880px) {
  .recoverloop { grid-template-columns: 1fr; }
}

/* ---------- Why-now band — strategic moment markers ---------- */
.whynow {
  display: grid;
  gap: var(--space-3);
}
.whynow__row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background:
    linear-gradient(90deg, rgba(124,196,214,0.05), transparent),
    #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  align-items: center;
  transition: border-color var(--t-med) var(--ease-std);
}
.whynow__row:hover { border-color: var(--line-2); }
.whynow__year {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.whynow__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h4-sm);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: 1.25;
}
.whynow__title em {
  color: transparent;
  background: var(--grad-rai-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: normal;
}
.whynow__sub {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  margin-top: 4px;
  line-height: var(--leading-snug);
  max-width: 64ch;
}
.whynow__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-78);
  white-space: nowrap;
}
.whynow__row--current {
  background:
    linear-gradient(90deg, rgba(124,196,214,0.10), rgba(197,146,235,0.07)),
    #0c0e14;
  border-color: rgba(197,146,235,0.32);
}
@media (max-width: 700px) {
  .whynow__row { grid-template-columns: 1fr; gap: var(--space-2); }
  .whynow__tag { justify-self: start; }
}

/* ---------- Operator note — short field observation in raw form ---------- */
.opnote {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(255,255,255,0.018);
  border: 1px dashed var(--line-2);
  border-radius: var(--r-sm);
  align-items: start;
}
.opnote__src {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  padding-top: 2px;
}
.opnote__src strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: var(--tracking-snug);
  margin-top: 2px;
}
.opnote__body {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}
.opnote__body em {
  color: var(--ink);
  font-style: normal;
  background: rgba(245,180,135,0.18);
  padding: 0 4px;
}

/* ---------- Asymmetric split — broken rhythm ---------- */
.asym {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-6);
  align-items: start;
}
.asym--flip { grid-template-columns: 7fr 5fr; }
@media (max-width: 880px) {
  .asym, .asym--flip { grid-template-columns: 1fr; }
}

.asym__side {
  position: sticky;
  top: 130px;
}
.asym__lead {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(28px, 3.4vw, 44px);
  color: var(--ink);
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
}
.asym__lead em {
  color: transparent;
  background: var(--grad-rai-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: normal;
}
.asym__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-78);
  margin-bottom: var(--space-3);
}

/* ---------- Big bleak number ---------- */
.bleak {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-7) var(--space-6);
  background:
    linear-gradient(180deg, rgba(242,151,200,0.05), rgba(245,180,135,0.03)),
    #0a0b10;
  border: 1px solid rgba(242,151,200,0.18);
  border-radius: var(--r-md);
}
.bleak__num {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(64px, 9vw, 128px);
  color: transparent;
  background: linear-gradient(135deg, var(--rai-26), var(--rai-0));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.04em;
  line-height: 0.9;
}
.bleak__body {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: clamp(18px, 2vw, 24px);
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: var(--tracking-snug);
  max-width: 50ch;
}
.bleak__meta {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
@media (max-width: 720px) {
  .bleak { grid-template-columns: 1fr; padding: var(--space-6); }
}

/* ---------- Lossbar — labour/cost stacked breakdown ---------- */
.lossbar {
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.lossbar__title {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.lossbar__bar {
  display: flex;
  height: 38px;
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}
.lossbar__seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  color: #0a0b0e;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
}
.lossbar__seg--a { background: var(--rai-26); }
.lossbar__seg--b { background: var(--rai-0); }
.lossbar__seg--c { background: var(--rai-52); }
.lossbar__seg--d { background: var(--rai-78); }
.lossbar__seg--ok { background: var(--rai-100); }
.lossbar__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.lossbar__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-2);
}
.lossbar__legend-swatch {
  width: 10px; height: 10px;
  border-radius: 2px;
}

/* ---------- Section that breaks rhythm visually ---------- */
.section--asym {
  background:
    linear-gradient(180deg, transparent, rgba(242,151,200,0.025) 50%, transparent),
    transparent;
}
.section--asym::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rai-26), transparent);
  opacity: 0.4;
}


/* ============================================================
   6. PRECISION PRIMITIVES (compounding, state map, calm note)
   Quieter, more operational components for rhythm variation.
   ============================================================ */

/* ---------- Compounding bars — what the runtime accumulates over time ---------- */
.compoundbar {
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
.compoundbar__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.compoundbar__title {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.compoundbar__axis {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.compoundbar__rows {
  display: grid;
  gap: var(--space-3);
}
.compoundbar__row {
  display: grid;
  grid-template-columns: 200px 1fr 90px;
  gap: var(--space-4);
  align-items: center;
}
.compoundbar__label {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 14px;
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}
.compoundbar__label-sub {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.compoundbar__track {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 22px;
}
.compoundbar__cell {
  flex: 1;
  height: 100%;
  background: rgba(255,255,255,0.04);
  border-radius: 2px;
  transition: background var(--t-med) var(--ease-std);
}
.compoundbar__cell--fill {
  background: var(--grad-rai-hero);
}
.compoundbar__cell--partial {
  background: linear-gradient(90deg,
    var(--rai-100) 0%,
    rgba(124,196,214,0.35) 70%,
    rgba(255,255,255,0.04) 100%);
}
.compoundbar__value {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-100);
  text-align: right;
  white-space: nowrap;
}
@media (max-width: 720px) {
  .compoundbar__row { grid-template-columns: 1fr; gap: 6px; }
  .compoundbar__value { text-align: left; }
}

/* ---------- State map — runtime state transitions ---------- */
.statemap {
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  padding: var(--space-7) var(--space-6);
  position: relative;
}
.statemap__svg {
  width: 100%;
  height: auto;
  display: block;
}
.statemap__legend {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}
.statemap__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.statemap__edge {
  stroke-dasharray: 4 4;
  animation: edge-flow 12s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  .statemap__edge { animation: none; }
}

/* ---------- Calm operational note (low-pressure factual passage) ---------- */
.calmnote {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: var(--leading-relaxed);
  padding: var(--space-5) var(--space-6);
  background: rgba(255,255,255,0.018);
  border-left: 1px solid var(--line-2);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.calmnote strong {
  color: var(--ink);
  font-weight: var(--weight-bold);
}
.calmnote__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}

/* ---------- Versus — incumbent / runtime contrast (architectural) ---------- */
.versus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
}
.versus__col {
  padding: var(--space-7) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: #0a0b10;
}
.versus__col--right {
  background:
    linear-gradient(180deg, rgba(124,196,214,0.06), rgba(197,146,235,0.04)),
    #0a0b10;
  border-left: 1px solid rgba(197,146,235,0.18);
}
.versus__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.versus__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.versus__col--right .versus__tag {
  background: var(--grad-rai-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.versus__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--fs-h3);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  line-height: 1.15;
}
.versus__body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: var(--leading-relaxed);
}
.versus__list {
  display: grid;
  gap: 10px;
  margin-top: var(--space-3);
}
.versus__list-item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: baseline;
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: var(--leading-snug);
}
.versus__mark {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
}
.versus__col--right .versus__mark { color: var(--rai-100); }
@media (max-width: 760px) {
  .versus { grid-template-columns: 1fr; }
  .versus__col--right { border-left: 0; border-top: 1px solid rgba(197,146,235,0.18); }
}

/* ---------- Anomaly snapshot — single-event detail card ---------- */
.snapshot {
  background: #07080c;
  border: 1px solid var(--line-2);
  border-left: 2px solid var(--rai-78);
  border-radius: var(--r-sm);
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  position: relative;
}
.snapshot__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--line);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  font-size: 10px;
  color: var(--ink-4);
}
.snapshot__id { color: var(--rai-78); }
.snapshot__state {
  color: var(--rai-100);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 11px;
}
.snapshot__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-4);
  color: var(--ink-2);
  padding: 3px 0;
}
.snapshot__key {
  color: var(--ink-4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10.5px;
}
.snapshot__val { color: var(--ink); }
.snapshot__val--warn { color: var(--rai-26); }
.snapshot__val--ok { color: var(--rai-100); }
@media (max-width: 600px) {
  .snapshot__row { grid-template-columns: 1fr; gap: 2px; padding: 6px 0; }
}

/* ---------- Drift sparkline ---------- */
.drift {
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: var(--space-5) var(--space-6);
  display: grid;
  grid-template-columns: 220px 1fr 100px;
  gap: var(--space-5);
  align-items: center;
}
.drift__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.drift__label strong {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
  margin-top: 4px;
}
.drift__svg {
  width: 100%;
  height: 56px;
  display: block;
}
.drift__delta {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(18px, 1.8vw, 22px);
  color: var(--rai-26);
  letter-spacing: -0.02em;
  text-align: right;
  line-height: 1;
}
.drift__delta-sub {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: var(--weight-regular);
}
@media (max-width: 720px) {
  .drift { grid-template-columns: 1fr; gap: var(--space-3); }
  .drift__delta { text-align: left; }
}

/* ---------- Fragments — short factual lines, low rhetoric ---------- */
.fragments {
  display: grid;
  gap: 0;
  background: #0c0e14;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.fragment {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: var(--space-4);
  padding: 14px 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: var(--ink-2);
  line-height: 1.4;
  transition: background var(--t-fast) var(--ease-std);
}
.fragment:first-child { border-top: 0; }
.fragment:hover { background: rgba(255,255,255,0.018); }
.fragment__n {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
}
.fragment__body {
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: var(--fs-body);
  letter-spacing: var(--tracking-snug);
}
.fragment__body em {
  color: var(--rai-78);
  font-style: normal;
}
.fragment__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-4);
  white-space: nowrap;
}
@media (max-width: 720px) {
  .fragment { grid-template-columns: 1fr; gap: 4px; }
  .fragment__tag, .fragment__n { font-size: 10px; }
}

/* ---------- Inevitability signals — current-moment numbers strip ---------- */
.inevitability {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background:
    linear-gradient(#0a0b10, #0a0b10) padding-box,
    var(--grad-rai) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
}
.inevitability__cell {
  background: #0c0e14;
  padding: var(--space-5) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}
.inevitability__cell::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 32px;
  height: 1px;
  background: var(--rai-78);
}
.inevitability__year {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--rai-78);
}
.inevitability__value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(28px, 3.6vw, 44px);
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 0.95;
}
.inevitability__sub {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}

/* ---------- Inline metric chip (compact factual value) ---------- */
.metric-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
}
.metric-chip strong {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--ink);
}