/* ==========================================================================
   OPTIMUS GEN 3 — engineering dossier
   ========================================================================== */

:root {
  /* palette */
  --ink: #0d0e0b;
  --ink-2: #151612;
  --ink-3: #1d1e19;
  --bone: #ece8df;
  --bone-dim: #b3aea3;
  --line: rgba(236, 232, 223, 0.13);
  --line-strong: rgba(236, 232, 223, 0.28);
  --signal: #ff5b1f;
  --signal-ink: #120700;
  --paper: #e8e4d9;
  --paper-2: #dcd7ca;
  --paper-ink: #141410;
  --paper-muted: #55524a;
  --paper-line: rgba(20, 20, 16, 0.16);
  --ok: #7fd48a;
  --err: #ff8a6b;

  /* type */
  --f-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --f-body: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* space (8pt) */
  --s1: 0.5rem; --s2: 1rem; --s3: 1.5rem; --s4: 2rem; --s5: 3rem; --s6: 4rem; --s7: 6rem; --s8: 9rem;

  --gutter: clamp(1rem, 4vw, 3rem);
  --max: 1440px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --dur-fast: 160ms;
  --dur: 320ms;

  --z-nav: 40;
  --z-overlay: 60;
  --z-banner: 80;
}

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

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.6;
  font-variation-settings: "wdth" 100;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; touch-action: manipulation; }
[hidden] { display: none !important; }

::selection { background: var(--signal); color: var(--signal-ink); }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute; left: var(--gutter); top: -100px; z-index: 100;
  background: var(--signal); color: var(--signal-ink); padding: 0.75rem 1rem;
  font-family: var(--f-mono); font-size: 0.8125rem; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* ---------- primitives ---------- */

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

.mono {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--bone-dim);
}
.eyebrow::before {
  content: ""; width: 8px; height: 8px; background: var(--signal); flex: none;
}

.h-display {
  font-family: var(--f-display);
  font-weight: 800;
  font-variation-settings: "wdth" 112;
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0;
  text-wrap: balance;
}
.h-section {
  font-family: var(--f-display);
  font-weight: 700;
  font-variation-settings: "wdth" 108;
  font-size: clamp(2.25rem, 5.4vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.serif-i {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  letter-spacing: -0.01em;
  font-variation-settings: normal;
}
.lede {
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--bone-dim);
  max-width: 58ch;
}

.btn {
  --bg: var(--signal); --fg: var(--signal-ink);
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.75rem;
  min-height: 52px; padding: 0 1.5rem;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--bg);
  font-family: var(--f-mono); font-size: 0.8125rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease, transform var(--dur-fast) ease;
}
.btn svg { width: 16px; height: 16px; transition: transform var(--dur) var(--ease-out); }
.btn:hover { --bg: var(--bone); border-color: var(--bone); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: scale(0.98); }
.btn--ghost { --bg: transparent; --fg: var(--bone); border-color: var(--line-strong); }
.btn--ghost:hover { --bg: transparent; --fg: var(--signal); border-color: var(--signal); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.link-u {
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px;
  text-decoration-color: var(--line-strong);
  transition: text-decoration-color var(--dur-fast), color var(--dur-fast);
}
.link-u:hover { color: var(--signal); text-decoration-color: var(--signal); }

/* corner brackets */
.brackets { position: relative; }
.brackets::before, .brackets::after {
  content: ""; position: absolute; width: 18px; height: 18px; pointer-events: none;
  border-color: var(--signal); border-style: solid; z-index: 2;
}
.brackets::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.brackets::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.photo { filter: grayscale(1) contrast(1.08) brightness(0.95); }

/* ---------- nav ---------- */

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-nav);
  padding-top: env(safe-area-inset-top, 0px);
  transition: background-color var(--dur) ease, border-color var(--dur) ease;
  border-bottom: 1px solid transparent;
}
.nav::before {
  content: ""; position: absolute; inset: 0 0 -32px 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgba(13,14,11,0.85), rgba(13,14,11,0));
  transition: opacity var(--dur) ease;
}
.nav.is-scrolled::before { opacity: 0; }
.nav.is-scrolled {
  background: rgba(13, 14, 11, 0.86);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s3);
  height: 72px;
}
.logo {
  display: inline-flex; align-items: center; gap: 0.625rem;
  text-decoration: none; min-height: 44px;
}
.logo svg { width: 30px; height: 30px; flex: none; }
.logo__word {
  font-family: var(--f-display); font-weight: 800; font-variation-settings: "wdth" 120;
  font-size: 1.0625rem; letter-spacing: 0.04em; text-transform: uppercase;
}
.logo__gen {
  font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.08em;
  padding: 2px 6px; border: 1px solid var(--line-strong); color: var(--bone-dim);
}
.nav__links { display: flex; align-items: center; gap: var(--s4); list-style: none; margin: 0; padding: 0; }
.nav__links a {
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none; color: var(--bone-dim); padding: 0.75rem 0; position: relative;
  transition: color var(--dur-fast);
}
.nav__links a:hover, .nav__links a[aria-current="true"] { color: var(--bone); }
.nav__links a[aria-current="true"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 2px; background: var(--signal);
}
.nav__cta { min-height: 44px; padding: 0 1.125rem; }
.nav__toggle {
  display: none; width: 48px; height: 48px; background: transparent; border: 1px solid var(--line-strong);
  align-items: center; justify-content: center;
}
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  display: block; width: 18px; height: 2px; background: var(--bone); position: relative;
  transition: transform var(--dur) var(--ease-out), background-color var(--dur-fast);
}
.nav__toggle span::before, .nav__toggle span::after { content: ""; position: absolute; left: 0; }
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1023px) {
  .nav__toggle { display: inline-flex; }
  .nav__cta { display: none; }
  .nav__menu {
    position: fixed; inset: calc(72px + env(safe-area-inset-top, 0px)) 0 0 0;
    background: var(--ink); border-top: 1px solid var(--line);
    padding: var(--s4) var(--gutter) calc(var(--s4) + env(safe-area-inset-bottom, 0px));
    display: flex; flex-direction: column; justify-content: space-between;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity var(--dur) ease, transform var(--dur) var(--ease-out), visibility 0s linear var(--dur);
    overflow-y: auto;
  }
  .nav__menu.is-open { opacity: 1; transform: none; visibility: visible; transition-delay: 0s; }
  .nav__links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__links li { border-bottom: 1px solid var(--line); }
  .nav__links a {
    display: flex; justify-content: space-between; padding: 1.125rem 0;
    font-family: var(--f-display); font-size: 1.75rem; font-weight: 700; letter-spacing: -0.01em;
    text-transform: uppercase; color: var(--bone); font-variation-settings: "wdth" 110;
  }
  .nav__links a[aria-current="true"]::after { display: none; }
  .nav__menu .btn { margin-top: var(--s4); width: 100%; display: inline-flex; }
}
@media (min-width: 1024px) {
  .nav__menu { display: flex; align-items: center; gap: var(--s5); }
  .nav__menu .btn--menu { display: none; }
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  padding-top: calc(72px + env(safe-area-inset-top, 0px));
  display: grid; grid-template-rows: 1fr auto;
  overflow: hidden;
  isolation: isolate;
}
.hero__grid-bg {
  position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 10%, transparent 70%);
  opacity: 0.55;
}
.hero__media {
  position: absolute; z-index: -1;
  right: 0; top: -6%; bottom: -6%; width: min(62vw, 1000px);
}
.hero__media img {
  width: 100%; height: 100%; object-fit: cover; object-position: 30% 35%;
  mask-image: linear-gradient(90deg, transparent 0%, #000 35%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 35%);
}
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,14,11,0) 55%, var(--ink) 100%);
}
.hero__body {
  display: flex; flex-direction: column; justify-content: center; gap: var(--s4);
  padding-block: var(--s6) var(--s5);
}
.hero__title { font-size: clamp(3.5rem, 13.5vw, 13.5rem); }
.hero__title .line { display: block; overflow: hidden; padding-bottom: 0.04em; }
.hero__title .line > span { display: inline-block; }
.hero__title .gen {
  font-family: var(--f-mono); font-weight: 400; font-size: 0.16em; letter-spacing: 0.04em;
  vertical-align: top; color: var(--signal); margin-left: 0.4em; display: inline-block; transform: translateY(1.2em);
}
.hero__sub {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s3); max-width: 640px;
}
.hero__sub p { margin: 0; }
.hero__sub .serif-i { font-size: clamp(1.5rem, 2.6vw, 2.25rem); line-height: 1.15; color: var(--bone); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s2); }

.telemetry {
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
}
.telemetry__cell {
  padding: var(--s3) var(--s2) calc(var(--s3) + env(safe-area-inset-bottom, 0px)) 0;
  border-right: 1px solid var(--line);
  padding-left: var(--s2);
}
.telemetry__cell:first-child { padding-left: 0; }
.telemetry__cell:last-child { border-right: 0; }
.telemetry dt { color: var(--bone-dim); margin-bottom: 0.375rem; }
.telemetry dd {
  margin: 0; font-family: var(--f-display); font-weight: 600; font-variation-settings: "wdth" 104;
  font-size: clamp(1.25rem, 2.2vw, 2rem); line-height: 1; font-variant-numeric: tabular-nums;
}
.telemetry dd small { font-family: var(--f-mono); font-size: 0.75rem; color: var(--bone-dim); margin-left: 0.25rem; font-weight: 400; }
.live-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--signal);
  margin-right: 0.5rem; vertical-align: middle;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.25; } }

.hero__tag {
  position: absolute; right: var(--gutter); top: calc(96px + env(safe-area-inset-top, 0px));
  text-align: right; color: var(--bone-dim); line-height: 1.8;
}

@media (max-width: 767px) {
  .hero__title .gen { display: block; font-size: 1rem; margin: 0.5rem 0 0; transform: none; }
  .hero__media { width: 100%; opacity: 0.5; }
  .hero__media img { mask-image: linear-gradient(180deg, #000 0%, transparent 85%); -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 85%); object-position: 60% 20%; }
  .hero__tag { display: none; }
  .hero__body { justify-content: flex-end; }
  .telemetry { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .telemetry__cell:nth-child(2) { border-right: 0; }
  .telemetry__cell:nth-child(3) { padding-left: 0; }
  .telemetry__cell:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

/* ---------- ticker ---------- */

.ticker {
  background: var(--signal); color: var(--signal-ink);
  overflow: hidden; white-space: nowrap; border-block: 1px solid var(--signal);
}
.ticker__track { display: inline-flex; animation: ticker 38s linear infinite; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__item {
  display: inline-flex; align-items: center; gap: 1.5rem; padding: 0.875rem 1.5rem;
  font-family: var(--f-mono); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
}
.ticker__item::after { content: ""; width: 6px; height: 6px; background: var(--signal-ink); transform: rotate(45deg); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */

.section { padding-block: clamp(5rem, 11vw, 10rem); position: relative; }
.section__head {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s3);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
@media (min-width: 900px) {
  .section__head { grid-template-columns: 220px minmax(0, 1fr); align-items: start; }
  .section__head .lede { grid-column: 2; }
}
.chapter-no {
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--bone-dim); padding-top: 0.75rem; border-top: 1px solid var(--line-strong);
}
.chapter-no b { color: var(--signal); font-weight: 500; }

/* ---------- 01 manifesto ---------- */

.manifesto__grid {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5);
}
@media (min-width: 900px) {
  .manifesto__grid { grid-template-columns: 220px minmax(0, 1.2fr) minmax(0, 0.8fr); gap: var(--s5); }
}
.manifesto__quote {
  font-family: var(--f-serif); font-size: clamp(1.75rem, 3.4vw, 3rem); line-height: 1.15;
  letter-spacing: -0.015em; margin: 0; color: var(--bone);
}
.manifesto__quote em { color: var(--signal); font-style: italic; }
.manifesto__figure { margin: 0; }
.manifesto__figure img { aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.manifesto__figure figcaption { margin-top: 0.75rem; color: var(--bone-dim); display: flex; justify-content: space-between; gap: 1rem; }

.stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line); margin-top: var(--s6);
}
.stat { padding: var(--s4) var(--s3) 0 0; border-right: 1px solid var(--line); }
.stat + .stat { padding-left: var(--s3); }
.stat:last-child { border-right: 0; }
.stat__num {
  font-family: var(--f-display); font-weight: 800; font-variation-settings: "wdth" 115;
  font-size: clamp(2.5rem, 6vw, 5.5rem); line-height: 1; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat__num sup { font-size: 0.35em; color: var(--signal); vertical-align: top; margin-left: 0.1em; position: relative; top: 0.3em; }
.stat p { margin: 0.75rem 0 0; color: var(--bone-dim); max-width: 28ch; font-size: 0.9375rem; }
@media (max-width: 639px) {
  .stats { grid-template-columns: minmax(0, 1fr); }
  .stat, .stat + .stat { padding: var(--s3) 0; border-right: 0; border-bottom: 1px solid var(--line); }
}

/* ---------- 02 anatomy ---------- */

.anatomy { background: var(--ink-2); border-block: 1px solid var(--line); }
.anatomy__layout {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5);
}
@media (min-width: 1024px) {
  .anatomy__layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s6); align-items: stretch; }
}
.anatomy__stage { position: relative; background: #000; overflow: hidden; }
.anatomy__stage img { width: 100%; height: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: 50% 20%; opacity: 0.88; }
.anatomy__scan {
  position: absolute; left: 0; right: 0; height: 1px; top: 0;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  box-shadow: 0 0 18px 2px rgba(255, 91, 31, 0.45);
  animation: scan 5s var(--ease-out) infinite; pointer-events: none;
}
@keyframes scan { 0% { transform: translateY(0); opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { transform: translateY(var(--stage-h, 600px)); opacity: 0; } }

.hotspot {
  position: absolute; width: 44px; height: 44px; margin: -22px 0 0 -22px;
  display: grid; place-items: center; background: transparent; border: 0; padding: 0;
}
.hotspot__ring {
  width: 22px; height: 22px; border: 2px solid var(--bone); border-radius: 50%;
  display: grid; place-items: center; background: rgba(13,14,11,0.5);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur-fast), background-color var(--dur-fast);
}
.hotspot__ring::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--bone); transition: background-color var(--dur-fast); }
.hotspot::before {
  content: ""; position: absolute; inset: 8px; border-radius: 50%; border: 1px solid var(--signal);
  animation: ping 2.4s ease-out infinite; opacity: 0;
}
@keyframes ping { 0% { transform: scale(0.6); opacity: 0.9; } 100% { transform: scale(1.8); opacity: 0; } }
.hotspot:hover .hotspot__ring, .hotspot[aria-pressed="true"] .hotspot__ring { transform: scale(1.18); border-color: var(--signal); background: var(--signal); }
.hotspot[aria-pressed="true"] .hotspot__ring::after { background: var(--signal-ink); }
.hotspot__label {
  position: absolute; left: 40px; top: 50%; transform: translateY(-50%);
  white-space: nowrap; background: var(--ink); border: 1px solid var(--line-strong);
  padding: 4px 8px; font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase;
  pointer-events: none;
}
.hotspot--left .hotspot__label { left: auto; right: 40px; }
@media (max-width: 639px) { .hotspot__label { display: none; } }

.anatomy__panel { display: flex; flex-direction: column; }
.anatomy__tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: var(--s4); }
.anatomy__tab {
  background: var(--ink-2); border: 0; text-align: left; padding: 1rem; min-height: 64px;
  display: flex; flex-direction: column; gap: 0.25rem;
  transition: background-color var(--dur-fast), color var(--dur-fast);
}
.anatomy__tab .mono { color: var(--bone-dim); }
.anatomy__tab strong { font-family: var(--f-display); font-weight: 600; font-size: 1.0625rem; font-variation-settings: "wdth" 106; }
.anatomy__tab:hover { background: var(--ink-3); }
.anatomy__tab[aria-selected="true"] { background: var(--bone); color: var(--ink); }
.anatomy__tab[aria-selected="true"] .mono { color: #5a574f; }

.anatomy__detail { flex: 1; display: flex; flex-direction: column; }
.anatomy__detail h3 {
  font-family: var(--f-display); font-weight: 700; font-variation-settings: "wdth" 110;
  font-size: clamp(1.75rem, 3vw, 2.75rem); line-height: 1; margin: 0 0 var(--s2); letter-spacing: -0.015em;
}
.anatomy__detail p { color: var(--bone-dim); margin: 0 0 var(--s4); max-width: 52ch; }
.readout { list-style: none; margin: auto 0 0; padding: 0; border-top: 1px solid var(--line); }
.readout li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: 0.875rem 0; border-bottom: 1px solid var(--line);
}
.readout li span:first-child { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bone-dim); }
.readout li span:last-child { font-family: var(--f-display); font-weight: 600; font-size: 1.125rem; font-variant-numeric: tabular-nums; text-align: right; }
.anatomy__detail.is-swapping { animation: swap 360ms var(--ease-out); }
@keyframes swap { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 03 capabilities (bento) ---------- */

.bento {
  display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 768px) {
  .bento { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .cap--a { grid-column: span 4; grid-row: span 2; }
  .cap--b { grid-column: span 2; }
  .cap--c { grid-column: span 2; }
  .cap--d { grid-column: span 3; }
  .cap--e { grid-column: span 3; }
}
.cap {
  position: relative; background: var(--ink); overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 320px; padding: var(--s4);
  isolation: isolate;
}
.cap--a { min-height: 560px; }
.cap__img {
  position: absolute; inset: 0; z-index: -1;
}
.cap__img[data-parallax] { inset: -5% 0; }
.cap__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out), filter var(--dur) ease; }
.cap__img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,14,11,0.7) 0%, rgba(13,14,11,0.15) 30%, rgba(13,14,11,0.55) 60%, rgba(13,14,11,0.95) 100%);
}
.cap--a .cap__img img { object-position: 62% 85%; }
.cap--b .cap__img img { object-position: 50% 30%; }
.cap:hover .cap__img img { transform: scale(1.04); }
.cap__index { position: absolute; top: var(--s3); left: var(--s4); color: var(--bone-dim); }
.cap__metric {
  position: absolute; top: var(--s3); right: var(--s4); text-align: right;
  font-family: var(--f-display); font-weight: 700; font-variation-settings: "wdth" 115; font-size: 2rem; line-height: 1;
}
.cap__metric small { display: block; font-family: var(--f-mono); font-weight: 400; font-size: 0.6875rem; letter-spacing: 0.08em; color: var(--bone-dim); text-transform: uppercase; margin-top: 0.25rem; }
.cap h3 {
  font-family: var(--f-display); font-weight: 700; font-variation-settings: "wdth" 110;
  font-size: clamp(1.5rem, 2.4vw, 2.25rem); line-height: 1; letter-spacing: -0.015em; margin: 0 0 0.75rem;
  text-transform: uppercase;
}
.cap--a h3 { font-size: clamp(2rem, 4vw, 3.75rem); }
.cap p { margin: 0; color: #cfcabf; max-width: 46ch; font-size: 0.9375rem; }
.cap--plain { background: var(--ink-2); justify-content: space-between; }
.cap--plain .cap__index { position: static; margin-bottom: var(--s4); display: block; }
.cap__svg { width: 100%; height: auto; max-height: 140px; margin-bottom: var(--s3); color: var(--bone-dim); }

/* ---------- 04 spec sheet (paper) ---------- */

.paper { background: var(--paper); color: var(--paper-ink); }
.paper .chapter-no { color: var(--paper-muted); border-top-color: var(--paper-line); }
.paper .lede { color: var(--paper-muted); }
.paper :focus-visible { outline-color: var(--paper-ink); }
.paper ::selection { background: var(--paper-ink); color: var(--paper); }

.specs__layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5); }
@media (min-width: 1024px) { .specs__layout { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--s6); } }

.blueprint { position: relative; border: 1px solid var(--paper-line); background:
  linear-gradient(var(--paper-line) 1px, transparent 1px) 0 0 / 24px 24px,
  linear-gradient(90deg, var(--paper-line) 1px, transparent 1px) 0 0 / 24px 24px;
  padding: var(--s4); align-self: start;
}
@media (min-width: 1024px) { .blueprint { position: sticky; top: 104px; } }
.blueprint svg { width: 100%; height: auto; color: var(--paper-ink); }
.blueprint__meta { display: flex; justify-content: space-between; gap: 1rem; margin-top: var(--s2); color: var(--paper-muted); flex-wrap: wrap; }

.unit-toggle {
  display: inline-flex; border: 1px solid var(--paper-ink); margin-bottom: var(--s4);
}
.unit-toggle button {
  min-height: 44px; min-width: 88px; padding: 0 1rem; background: transparent; border: 0;
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--paper-ink);
  transition: background-color var(--dur-fast), color var(--dur-fast);
}
.unit-toggle button[aria-pressed="true"] { background: var(--paper-ink); color: var(--paper); }

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table caption { text-align: left; padding-bottom: var(--s2); color: var(--paper-muted); }
.spec-group th[scope="rowgroup"] {
  text-align: left; padding: var(--s4) 0 0.75rem; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em;
  text-transform: uppercase; font-weight: 500; color: var(--paper-ink); border-bottom: 2px solid var(--paper-ink);
}
.spec-table th[scope="row"], .spec-table td {
  padding: 0.875rem 0; border-bottom: 1px solid var(--paper-line); vertical-align: baseline;
}
.spec-table th[scope="row"] { text-align: left; font-weight: 400; color: var(--paper-muted); padding-right: 1rem; width: 50%; }
.spec-table td { text-align: right; font-family: var(--f-display); font-weight: 600; font-variation-settings: "wdth" 104; font-size: 1.0625rem; font-variant-numeric: tabular-nums; }

/* ---------- 05 deployment tabs ---------- */

.deploy__tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; margin-bottom: var(--s5); }
.deploy__tabs::-webkit-scrollbar { display: none; }
.deploy__tab {
  flex: none; background: transparent; border: 0; padding: 1rem 1.5rem 1rem 0; margin-right: 1.5rem; min-height: 56px;
  font-family: var(--f-display); font-weight: 600; font-variation-settings: "wdth" 108; font-size: clamp(1rem, 1.6vw, 1.375rem);
  color: var(--bone-dim); position: relative; text-transform: uppercase; letter-spacing: 0.01em;
  transition: color var(--dur-fast);
}
.deploy__tab::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--signal);
  transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease-out);
}
.deploy__tab:hover { color: var(--bone); }
.deploy__tab[aria-selected="true"] { color: var(--bone); }
.deploy__tab[aria-selected="true"]::after { transform: scaleX(1); }
.deploy__tab sup { font-family: var(--f-mono); font-size: 0.625rem; color: var(--signal); margin-right: 0.5rem; vertical-align: top; }

.deploy__panel { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5); }
@media (min-width: 900px) { .deploy__panel { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: var(--s6); align-items: center; } }
.deploy__panel[hidden] { display: none; }
.deploy__panel.is-active { animation: swap 480ms var(--ease-out); }
.deploy__media img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; }
.deploy__copy h3 {
  font-family: var(--f-serif); font-weight: 400; font-size: clamp(1.75rem, 3vw, 2.75rem); line-height: 1.1; letter-spacing: -0.015em; margin: 0 0 var(--s3);
}
.deploy__copy p { color: var(--bone-dim); margin: 0 0 var(--s4); }
.checklist { list-style: none; padding: 0; margin: 0 0 var(--s4); display: grid; gap: 0.75rem; }
.checklist li { display: flex; gap: 0.75rem; align-items: flex-start; }
.checklist svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--signal); }
.kpi-row { display: flex; gap: var(--s4); flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: var(--s3); }
.kpi-row div { min-width: 120px; }
.kpi-row b { display: block; font-family: var(--f-display); font-size: 1.75rem; font-weight: 700; font-variation-settings: "wdth" 112; line-height: 1.1; }
.kpi-row span { color: var(--bone-dim); }

/* ---------- 06 timeline (horizontal) ---------- */

.timeline { background: var(--ink-2); border-block: 1px solid var(--line); overflow: hidden; }
.timeline__rail {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr);
  position: relative; padding-top: 8px;
  overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent;
  padding-bottom: var(--s2);
}
.milestone { padding: var(--s4) var(--s4) var(--s3) 0; position: relative; scroll-snap-align: start; border-top: 1px solid var(--line-strong); }
.milestone::before {
  content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; background: var(--ink-2); border: 2px solid var(--bone-dim);
  transform: rotate(45deg);
}
.milestone.is-now::before { background: var(--signal); border-color: var(--signal); }
.milestone .mono { color: var(--bone-dim); }
.milestone.is-now .mono { color: var(--signal); }
.milestone h3 { font-family: var(--f-display); font-weight: 700; font-variation-settings: "wdth" 110; font-size: 1.5rem; margin: 0.5rem 0 0.75rem; text-transform: uppercase; line-height: 1.05; }
.milestone p { margin: 0; color: var(--bone-dim); font-size: 0.9375rem; max-width: 32ch; }

/* ---------- 07 configurations ---------- */

.configs { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 900px) { .configs { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.config { background: var(--ink); padding: var(--s4); display: flex; flex-direction: column; gap: var(--s3); position: relative; }
.config--feat { background: var(--bone); color: var(--ink); }
.config--feat .config__small, .config--feat .config__list li { color: #4e4b44; }
.config--feat .config__list li { border-color: rgba(13,14,11,0.14); }
.config--feat .btn { --bg: var(--ink); --fg: var(--bone); border-color: var(--ink); }
.config--feat .btn:hover { --bg: var(--signal); --fg: var(--signal-ink); border-color: var(--signal); }
.config--feat :focus-visible { outline-color: var(--ink); }
.config__badge {
  position: absolute; top: 0; right: var(--s4); transform: translateY(-50%);
  background: var(--signal); color: var(--signal-ink); padding: 4px 10px;
}
.config__head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.config h3 { font-family: var(--f-display); font-weight: 800; font-variation-settings: "wdth" 115; font-size: 2rem; text-transform: uppercase; margin: 0; line-height: 1; }
.config__small { color: var(--bone-dim); margin: 0; }
.config__price { font-family: var(--f-display); font-weight: 700; font-variation-settings: "wdth" 108; font-size: clamp(2.5rem, 4vw, 3.5rem); line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.config__price small { font-family: var(--f-mono); font-size: 0.75rem; font-weight: 400; letter-spacing: 0.06em; margin-left: 0.25rem; text-transform: uppercase; }
.config__list { list-style: none; margin: 0; padding: 0; flex: 1; }
.config__list li { padding: 0.75rem 0; border-top: 1px solid var(--line); color: #cfcabf; font-size: 0.9375rem; display: flex; gap: 0.75rem; }
.config__list li::before { content: "+"; font-family: var(--f-mono); color: var(--signal); }
.config--feat .config__list li::before { color: #b43a0c; }
.config .btn { width: 100%; }
.configs__note { margin-top: var(--s3); color: var(--bone-dim); font-size: 0.875rem; }

/* ---------- 08 reserve form ---------- */

.reserve { position: relative; overflow: hidden; }
.reserve__layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5); }
@media (min-width: 1024px) { .reserve__layout { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--s6); } }
.reserve__aside img { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; margin-top: var(--s5); }
.reserve__title { font-size: clamp(3rem, 7.5vw, 7rem); }
.steps { list-style: none; padding: 0; margin: var(--s4) 0 0; counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 0.5rem; padding: 1rem 0; border-top: 1px solid var(--line); color: var(--bone-dim); }
.steps li::before { content: "0" counter(step); font-family: var(--f-mono); font-size: 0.75rem; color: var(--signal); padding-top: 4px; }
.steps b { color: var(--bone); font-weight: 600; display: block; }

.form { background: var(--ink-2); border: 1px solid var(--line); padding: clamp(1.5rem, 3vw, 3rem); }
.form__row { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s3); }
@media (min-width: 640px) { .form__row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.field { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: var(--s3); }
.field label, .field legend { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bone); padding: 0; }
.field .req { color: var(--signal); margin-left: 2px; }
.input, .select, .textarea {
  width: 100%; min-height: 52px; padding: 0.75rem 1rem; background: var(--ink); border: 1px solid var(--line-strong);
  border-radius: 0; font-size: 1rem; color: var(--bone);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  -webkit-appearance: none; appearance: none;
}
.textarea { min-height: 120px; resize: vertical; line-height: 1.5; }
.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%23ece8df' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem;
}
.input::placeholder, .textarea::placeholder { color: #8d887e; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--bone-dim); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--signal); box-shadow: 0 0 0 1px var(--signal); }
.field.has-error .input, .field.has-error .select, .field.has-error .textarea { border-color: var(--err); }
.field__hint { font-size: 0.8125rem; color: var(--bone-dim); margin: 0; }
.field__error { font-size: 0.875rem; color: var(--err); margin: 0; display: flex; gap: 0.5rem; align-items: flex-start; }
.field__error::before { content: "!"; font-family: var(--f-mono); font-weight: 700; width: 16px; height: 16px; flex: none; display: grid; place-items: center; background: var(--err); color: var(--ink); font-size: 0.6875rem; margin-top: 3px; }

fieldset.field { border: 0; margin: 0 0 var(--s3); padding: 0; min-width: 0; }
.choice-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.5rem; margin-top: 0.5rem; }
@media (min-width: 640px) { .choice-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.choice span {
  display: flex; flex-direction: column; gap: 2px; padding: 0.875rem 1rem; min-height: 64px; border: 1px solid var(--line-strong);
  transition: border-color var(--dur-fast), background-color var(--dur-fast);
}
.choice span b { font-family: var(--f-display); font-weight: 700; font-variation-settings: "wdth" 110; text-transform: uppercase; }
.choice span i { font-style: normal; font-family: var(--f-mono); font-size: 0.75rem; color: var(--bone-dim); }
.choice input:hover + span { border-color: var(--bone-dim); }
.choice input:checked + span { border-color: var(--signal); background: rgba(255, 91, 31, 0.08); box-shadow: inset 3px 0 0 var(--signal); }
.choice input:focus-visible + span { outline: 2px solid var(--signal); outline-offset: 2px; }

.stepper { display: inline-flex; border: 1px solid var(--line-strong); width: fit-content; }
.stepper button { width: 52px; height: 52px; background: transparent; border: 0; font-size: 1.25rem; transition: background-color var(--dur-fast); }
.stepper button:hover { background: var(--ink-3); }
.stepper input { width: 72px; text-align: center; border: 0; border-inline: 1px solid var(--line-strong); background: var(--ink); font-variant-numeric: tabular-nums; -moz-appearance: textfield; }
.stepper input::-webkit-inner-spin-button, .stepper input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.check { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 0.75rem; align-items: start; margin-bottom: var(--s2); font-size: 0.9375rem; color: var(--bone-dim); }
.check input {
  -webkit-appearance: none; appearance: none; width: 24px; height: 24px; margin: 0; border: 1px solid var(--bone-dim); background: var(--ink);
  display: grid; place-items: center; cursor: pointer; transition: background-color var(--dur-fast), border-color var(--dur-fast);
}
.check input::after { content: ""; width: 12px; height: 7px; border: solid var(--signal-ink); border-width: 0 0 2px 2px; transform: rotate(-45deg) translate(1px, -1px); opacity: 0; }
.check input:checked { background: var(--signal); border-color: var(--signal); }
.check input:checked::after { opacity: 1; }
.check label { cursor: pointer; }
.check a { color: var(--bone); }

.form__summary { border: 1px solid var(--err); padding: 1rem 1.25rem; margin-bottom: var(--s3); }
.form__summary h3 { margin: 0 0 0.5rem; font-size: 1rem; color: var(--err); }
.form__summary ul { margin: 0; padding-left: 1.25rem; }
.form__summary a { color: var(--bone); }

.form__footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s2); margin-top: var(--s3); border-top: 1px solid var(--line); padding-top: var(--s3); }
.form__total { font-family: var(--f-mono); font-size: 0.8125rem; color: var(--bone-dim); }
.form__total b { color: var(--bone); font-family: var(--f-display); font-size: 1.5rem; font-weight: 700; margin-left: 0.5rem; font-variant-numeric: tabular-nums; }
.spinner { width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.form__success { text-align: left; padding: var(--s4) 0; }
.form__success .tick { width: 56px; height: 56px; background: var(--signal); display: grid; place-items: center; margin-bottom: var(--s3); color: var(--signal-ink); }
.form__success h3 { font-family: var(--f-display); font-weight: 800; font-variation-settings: "wdth" 112; font-size: 2.25rem; text-transform: uppercase; margin: 0 0 var(--s2); line-height: 1; }
.form__success p { color: var(--bone-dim); margin: 0 0 var(--s3); max-width: 48ch; }
.form__success code { font-family: var(--f-mono); color: var(--signal); }

/* ---------- 09 faq ---------- */

.faq__layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5); }
@media (min-width: 1024px) { .faq__layout { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--s6); } }
.faq__list { border-top: 1px solid var(--line-strong); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: var(--s3); align-items: center;
  padding: 1.5rem 0; min-height: 64px;
  font-family: var(--f-display); font-weight: 600; font-variation-settings: "wdth" 104; font-size: clamp(1.0625rem, 1.6vw, 1.3125rem); line-height: 1.3;
  transition: color var(--dur-fast);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--signal); }
.faq summary .pm { width: 32px; height: 32px; border: 1px solid var(--line-strong); flex: none; position: relative; transition: transform var(--dur) var(--ease-out), background-color var(--dur-fast); }
.faq summary .pm::before, .faq summary .pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; background: currentColor; transform: translate(-50%, -50%); }
.faq summary .pm::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform var(--dur) var(--ease-out); }
.faq details[open] summary .pm { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.faq details[open] summary .pm::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq__answer { padding: 0 0 1.5rem; color: var(--bone-dim); max-width: 64ch; }
.faq__answer p { margin: 0 0 0.75rem; }

/* ---------- final cta ---------- */

.finale { position: relative; min-height: 80vh; display: grid; align-items: end; overflow: hidden; isolation: isolate; border-top: 1px solid var(--line); }
.finale__bg { position: absolute; inset: -8% 0; z-index: -1; }
.finale__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.finale__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,14,11,0.35), rgba(13,14,11,0.92) 80%); }
.finale__title { font-size: clamp(3rem, 10vw, 10rem); margin-bottom: var(--s4); }
.finale__row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: var(--s4); padding-bottom: var(--s6); }
.finale__row .lede { color: #d6d1c6; }

/* ---------- footer ---------- */

.footer { border-top: 1px solid var(--line); padding-top: var(--s6); padding-bottom: calc(var(--s4) + env(safe-area-inset-bottom, 0px)); background: var(--ink); }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5); }
@media (min-width: 768px) { .footer__grid { grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); } }
.footer h2 { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--bone-dim); font-weight: 400; margin: 0 0 var(--s2); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.25rem; }
.footer ul a { display: inline-block; padding: 0.375rem 0; text-decoration: none; color: var(--bone); transition: color var(--dur-fast); }
.footer ul a:hover { color: var(--signal); }
.footer__brand p { color: var(--bone-dim); max-width: 38ch; margin: var(--s2) 0 0; }
.footer__mega {
  font-family: var(--f-display); font-weight: 800; font-variation-settings: "wdth" 125; text-transform: uppercase;
  font-size: clamp(3rem, 16.5vw, 16rem); line-height: 0.8; letter-spacing: -0.04em; margin: var(--s6) 0 var(--s3);
  color: transparent; -webkit-text-stroke: 1px var(--line-strong); white-space: nowrap; user-select: none;
}
.footer__bottom { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s4); justify-content: space-between; border-top: 1px solid var(--line); padding-top: var(--s3); color: var(--bone-dim); }
.footer__bottom a { color: var(--bone-dim); }
.footer__bottom button { background: none; border: 0; padding: 0; color: var(--bone-dim); text-decoration: underline; text-underline-offset: 4px; min-height: 24px; }
.footer__bottom button:hover { color: var(--signal); }

/* ---------- cookie banner ---------- */

.cookie {
  position: fixed; left: var(--gutter); right: var(--gutter); bottom: calc(1rem + env(safe-area-inset-bottom, 0px)); z-index: var(--z-banner);
  max-width: 560px; margin-left: auto;
  background: var(--bone); color: var(--ink); padding: var(--s3); border: 1px solid var(--ink);
  box-shadow: 8px 8px 0 var(--signal);
  transform: translateY(24px); opacity: 0; transition: transform var(--dur) var(--ease-out), opacity var(--dur) ease;
}
.cookie.is-visible { transform: none; opacity: 1; }
.cookie h2 { margin: 0 0 0.5rem; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; }
.cookie p { margin: 0 0 var(--s2); font-size: 0.9375rem; color: #3e3c36; }
.cookie a { color: var(--ink); }
.cookie__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie .btn { min-height: 44px; flex: 1 1 auto; }
.cookie .btn--dark { --bg: var(--ink); --fg: var(--bone); border-color: var(--ink); }
.cookie .btn--dark:hover { --bg: var(--signal); --fg: var(--signal-ink); border-color: var(--signal); }
.cookie .btn--line { --bg: transparent; --fg: var(--ink); border-color: var(--ink); }
.cookie .btn--line:hover { --bg: var(--ink); --fg: var(--bone); }
.cookie :focus-visible { outline-color: var(--ink); }
.cookie__prefs { border-top: 1px solid rgba(13,14,11,0.2); padding-top: var(--s2); margin-bottom: var(--s2); }
.cookie__prefs .check { color: #3e3c36; margin-bottom: 0.75rem; }
.cookie__prefs .check input { background: #fff; border-color: #3e3c36; }
.cookie__prefs .check input:disabled { opacity: 0.6; cursor: not-allowed; }
.cookie__prefs .check b { color: var(--ink); display: block; }

/* ---------- reveal (JS adds .js on html) ---------- */

.js [data-reveal] { opacity: 0; transform: translateY(16px); }
.js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
  .ticker__track { animation: none; }
  .anatomy__scan, .hotspot::before { display: none; }
}

/* ==========================================================================
   Legal pages
   ========================================================================== */

.legal-hero { padding: calc(72px + env(safe-area-inset-top, 0px) + var(--s6)) 0 var(--s5); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.legal-hero .hero__grid-bg { opacity: 0.4; }
.legal-hero h1 { font-size: clamp(2.75rem, 8vw, 7rem); margin: var(--s3) 0 var(--s3); }
.legal-hero .meta { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s4); color: var(--bone-dim); }
.crumbs { display: flex; gap: 0.5rem; list-style: none; padding: 0; margin: 0; color: var(--bone-dim); }
.crumbs a { color: var(--bone-dim); text-decoration: none; }
.crumbs a:hover { color: var(--signal); }
.crumbs li + li::before { content: "/"; margin-right: 0.5rem; color: var(--line-strong); }

.legal { padding-block: var(--s6) var(--s7); }
.legal__layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5); }
@media (min-width: 1024px) { .legal__layout { grid-template-columns: 260px minmax(0, 1fr); gap: var(--s7); } }
.toc { align-self: start; }
@media (min-width: 1024px) { .toc { position: sticky; top: 104px; } }
.toc h2 { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--bone-dim); font-weight: 400; margin: 0 0 var(--s2); }
.toc ol { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--line); counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: flex; gap: 0.75rem; padding: 0.5rem 0 0.5rem 1rem; text-decoration: none; color: var(--bone-dim); font-size: 0.9375rem; margin-left: -1px; border-left: 2px solid transparent; transition: color var(--dur-fast), border-color var(--dur-fast); }
.toc a::before { content: counter(toc, decimal-leading-zero); font-family: var(--f-mono); font-size: 0.75rem; padding-top: 3px; }
.toc a:hover, .toc a.is-active { color: var(--bone); border-left-color: var(--signal); }
@media (max-width: 1023px) {
  .toc details { border: 1px solid var(--line); }
  .toc summary { padding: 1rem; cursor: pointer; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; min-height: 48px; }
  .toc ol { border-left: 0; padding: 0 1rem 1rem; }
  .toc a { padding-left: 0; border-left: 0; }
}
@media (min-width: 1024px) { .toc summary { display: none; } }

.prose { max-width: 72ch; color: #d4cfc4; font-size: 1.0625rem; line-height: 1.7; }
.prose section { padding-bottom: var(--s4); margin-bottom: var(--s4); border-bottom: 1px solid var(--line); }
.prose section:last-child { border-bottom: 0; }
.prose h2 { font-family: var(--f-display); font-weight: 700; font-variation-settings: "wdth" 108; color: var(--bone); font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.1; margin: 0 0 var(--s2); letter-spacing: -0.01em; }
.prose h2 .num { font-family: var(--f-mono); font-size: 0.75rem; font-weight: 400; color: var(--signal); display: block; margin-bottom: 0.5rem; letter-spacing: 0.1em; }
.prose h3 { font-size: 1.125rem; color: var(--bone); margin: var(--s3) 0 0.5rem; }
.prose p { margin: 0 0 1rem; }
.prose ul, .prose ol { padding-left: 1.25rem; margin: 0 0 1rem; }
.prose li { margin-bottom: 0.5rem; }
.prose li::marker { color: var(--signal); }
.prose a { color: var(--bone); text-decoration-color: var(--signal); text-underline-offset: 3px; }
.prose a:hover { color: var(--signal); }
.prose strong { color: var(--bone); }
.prose .callout { border-left: 3px solid var(--signal); background: var(--ink-2); padding: 1rem 1.25rem; margin: 0 0 var(--s5); }
.table-scroll { overflow-x: auto; margin: 0 0 1rem; border: 1px solid var(--line); }
.prose table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 0.9375rem; }
.prose th, .prose td { text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bone); font-weight: 500; background: var(--ink-2); }
@media (max-width: 1023px) { .toc h2 { display: none; } }
.prose code { font-family: var(--f-mono); font-size: 0.875em; color: var(--bone); background: var(--ink-3); padding: 1px 5px; }

/* 404 */
.notfound { min-height: 100vh; min-height: 100svh; display: grid; align-items: center; position: relative; overflow: hidden; padding-block: calc(72px + var(--s5)) var(--s5); }
.notfound h1 { font-size: clamp(6rem, 28vw, 22rem); color: transparent; -webkit-text-stroke: 1px var(--line-strong); line-height: 0.8; }
.notfound p.serif-i { font-size: clamp(1.75rem, 3.5vw, 3rem); margin: var(--s3) 0; line-height: 1.1; }