/* Self-hosted webfonts — Clash Display (display), Satoshi (body), JetBrains Mono (labels) */
@font-face {
  font-family: 'Clash Display';
  src: url('./assets/fonts/clash-display-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Clash Display';
  src: url('./assets/fonts/clash-display-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Clash Display';
  src: url('./assets/fonts/clash-display-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Clash Display';
  src: url('./assets/fonts/clash-display-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('./assets/fonts/satoshi-300.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('./assets/fonts/satoshi-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('./assets/fonts/satoshi-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('./assets/fonts/satoshi-700.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('./assets/fonts/satoshi-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('./assets/fonts/jetbrains-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('./assets/fonts/jetbrains-mono-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   PROMETHEUS AI — "COMMAND" design system
   Bold, high-contrast, sectional. Alternating full-bleed dark / bone bands.
   Single committed mode (no theme toggle) — the banding IS the system.
   ========================================================================== */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Surfaces */
  --ink: #08090B;
  --ink-2: #101318;
  --graphite: #16191F;
  --graphite-2: #1E222A;
  --bone: #EDE9E0;
  --bone-2: #E0DBD0;
  --paper: #F7F5F0;

  /* Prometheus orange — used at scale */
  --orange: #E8732A;
  --orange-hot: #FF7C33;
  --orange-deep: #A9440A;
  --orange-ink: #180B02;

  /* Type colours */
  --on-dark: #F3F0E9;
  --on-dark-mute: #A9A59C;
  --on-dark-faint: #6E6B65;
  --on-light: #0C0E11;
  --on-light-mute: #4F4D48;
  --on-light-faint: #7A776F;

  /* Rules */
  --rule-dark: rgba(243, 240, 233, 0.16);
  --rule-dark-soft: rgba(243, 240, 233, 0.08);
  --rule-light: rgba(12, 14, 17, 0.18);
  --rule-light-soft: rgba(12, 14, 17, 0.09);

  /* Type families */
  --font-display: 'Clash Display', 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Satoshi', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* Display scale — pushed hard */
  --d0: clamp(2.9rem, 8.8vw, 7.6rem);
  --d1: clamp(2.25rem, 6.4vw, 5.4rem);
  --d2: clamp(1.85rem, 4.4vw, 3.4rem);
  --d3: clamp(1.45rem, 2.9vw, 2.2rem);
  --d4: clamp(1.15rem, 1.9vw, 1.45rem);

  /* Body scale — small and precise */
  --t-lg: clamp(1.05rem, 1.5vw, 1.28rem);
  --t-md: 1rem;
  --t-sm: 0.9375rem;
  --t-xs: 0.8125rem;
  --t-mono: 0.6875rem;

  /* Numerals as graphic devices */
  --numeral: clamp(6rem, 22vw, 20rem);

  /* Space */
  --gut: clamp(1.25rem, 4.2vw, 4.5rem);
  --band-y: clamp(4.5rem, 9vw, 9.5rem);
  --s1: 0.5rem;  --s2: 0.75rem; --s3: 1rem;   --s4: 1.5rem;
  --s5: 2rem;    --s6: 2.5rem;  --s7: 3.25rem; --s8: 4.5rem;

  --header-h: 66px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- 2. RESET / BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--ink);
  color: var(--on-dark);
  font-family: var(--font-body);
  font-size: var(--t-md);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  text-wrap: balance;
}

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

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

[id] { scroll-margin-top: calc(var(--header-h) + 24px); }

.skip-link {
  position: absolute; top: -100px; left: 0; z-index: 999;
  background: var(--orange); color: var(--orange-ink);
  padding: 0.75rem 1.25rem; font-family: var(--font-mono);
  font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.12em;
}
.skip-link:focus { top: 0; }

.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;
}

/* ---------- 3. LAYOUT PRIMITIVES ---------- */
.shell {
  width: 100%;
  max-width: 1560px;
  margin-inline: auto;
  padding-inline: var(--gut);
}
.shell--narrow { max-width: 1120px; }

.grid12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 2rem);
}

/* Visible grid field */
.gridfield {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(90deg, var(--rule-dark-soft) 1px, transparent 1px);
  background-size: calc(100% / 6) 100%;
  opacity: 0.9;
}
.band--bone .gridfield {
  background-image: linear-gradient(90deg, var(--rule-light-soft) 1px, transparent 1px);
}

/* ---------- 4. BANDS ---------- */
.band {
  position: relative;
  padding-block: var(--band-y);
  overflow: hidden;
}
.band--flush { padding-block: 0; }
.band--tight { padding-block: clamp(2.75rem, 4.5vw, 4.5rem); }

.band--ink { background: var(--ink); color: var(--on-dark); }
.band--graphite { background: var(--graphite); color: var(--on-dark); }
.band--gradient {
  background: linear-gradient(178deg, var(--graphite) 0%, var(--ink) 100%);
  color: var(--on-dark);
}
.band--bone { background: var(--bone); color: var(--on-light); }
.band--paper { background: var(--paper); color: var(--on-light); }
.band--orange { background: var(--orange); color: var(--orange-ink); }

/* Hairline seam at the top of each band */
.band + .band::before {
  content: ""; position: absolute; inset-inline: 0; top: 0; height: 1px;
  background: var(--rule-dark); z-index: 3;
}
.band--bone + .band::before, .band--paper + .band::before,
.band--bone::before, .band--paper::before { background: var(--rule-light); }
.band--orange::before { background: rgba(24, 11, 2, 0.25) !important; }

/* Muted body text per band */
.band--ink .muted, .band--graphite .muted, .band--gradient .muted { color: var(--on-dark-mute); }
.band--bone .muted, .band--paper .muted { color: var(--on-light-mute); }
.band--orange .muted { color: rgba(24, 11, 2, 0.78); }

.faint { color: var(--on-dark-faint); }
.band--bone .faint, .band--paper .faint { color: var(--on-light-faint); }

/* ---------- 5. TYPE OBJECTS ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin-bottom: var(--s4);
}
.eyebrow::before {
  content: ""; width: clamp(18px, 3vw, 46px); height: 2px;
  background: var(--orange); flex: none;
}
.band--orange .eyebrow { color: var(--orange-ink); }
.band--orange .eyebrow::before { background: var(--orange-ink); }

.mono {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.d0 { font-size: var(--d0); letter-spacing: -0.045em; line-height: 0.84; }
.d1 { font-size: var(--d1); letter-spacing: -0.04em; line-height: 0.86; }
.d2 { font-size: var(--d2); }
.d3 { font-size: var(--d3); }
.d4 { font-size: var(--d4); letter-spacing: -0.015em; }

.lede {
  font-size: var(--t-lg);
  line-height: 1.55;
  max-width: 46ch;
}
.body-copy { font-size: var(--t-sm); line-height: 1.75; max-width: 62ch; }
.body-copy + .body-copy { margin-top: var(--s3); }
.body-copy > p + p { margin-top: 1.15em; }
.small { font-size: var(--t-xs); line-height: 1.65; }

.accent { color: var(--orange); }
.band--bone .accent, .band--paper .accent { color: var(--orange-deep); }

.outline-type {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--rule-dark);
}
.band--bone .outline-type, .band--paper .outline-type {
  -webkit-text-stroke-color: var(--rule-light);
}

/* Oversized bleeding numerals */
.bleed-num {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--numeral);
  line-height: 0.72;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(243, 240, 233, 0.13);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.band--bone .bleed-num, .band--paper .bleed-num {
  -webkit-text-stroke-color: rgba(12, 14, 17, 0.13);
}
.band--orange .bleed-num { -webkit-text-stroke-color: rgba(24, 11, 2, 0.24); }
.bleed-num--tr { top: -0.16em; right: -0.09em; }
.bleed-num--tl { top: -0.16em; left: -0.09em; }
.bleed-num--br { bottom: -0.3em; right: -0.09em; }
.bleed-num--bl { bottom: -0.3em; left: -0.09em; }

/* ---------- 6. HEADER ---------- */
.hdr {
  position: fixed; inset-inline: 0; top: 0; z-index: 90;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(8, 9, 11, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--rule-dark);
  color: var(--on-dark);
  transition: background 0.4s var(--ease), color 0.4s var(--ease),
              border-color 0.4s var(--ease), transform 0.45s var(--ease);
}
.hdr[data-band="light"] {
  background: rgba(237, 233, 224, 0.9);
  color: var(--on-light);
  border-bottom-color: var(--rule-light);
}
.hdr[data-band="orange"] {
  background: rgba(232, 115, 42, 0.95);
  color: var(--orange-ink);
  border-bottom-color: rgba(24, 11, 2, 0.3);
}
.hdr.is-tucked { transform: translateY(-100%); }

.hdr__inner {
  width: 100%; max-width: 1560px; margin-inline: auto;
  padding-inline: var(--gut);
  display: flex; align-items: center; gap: var(--s5);
}

.brand { display: flex; align-items: center; gap: 0.6rem; flex: none; }
.brand img { width: 26px; height: auto; }
.brand__word {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.02rem;
  text-transform: uppercase; letter-spacing: 0.03em;
}

.nav { margin-left: auto; display: flex; align-items: center; gap: clamp(0.9rem, 1.8vw, 1.9rem); }
.nav a {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding-block: 0.4rem;
  position: relative;
  opacity: 0.78;
  transition: opacity 0.25s;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px;
  background: var(--orange); transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.hdr[data-band="orange"] .nav a::after { background: var(--orange-ink); }
.nav a:hover, .nav a[aria-current="page"] { opacity: 1; }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }

.hdr__cta {
  flex: none;
  font-family: var(--font-mono); font-size: var(--t-mono);
  text-transform: uppercase; letter-spacing: 0.16em;
  background: var(--orange); color: var(--orange-ink);
  padding: 0.72rem 1.15rem;
  transition: background 0.25s;
}
.hdr__cta:hover { background: var(--orange-hot); }
.hdr[data-band="orange"] .hdr__cta { background: var(--orange-ink); color: var(--orange); }

.burger {
  display: none; flex: none;
  width: 42px; height: 42px; border: 1px solid currentColor; background: none;
  cursor: pointer; padding: 0; position: relative;
}
.burger span {
  position: absolute; left: 11px; width: 20px; height: 1.5px; background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 25px; }
.burger.is-open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1023px) {
  .nav { display: none; }
  .burger { display: block; margin-left: auto; }
  .hdr__inner { gap: 1rem; }
}
@media (max-width: 479px) {
  .hdr__cta { display: none; }
}

/* Mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 88;
  background: var(--ink);
  padding: calc(var(--header-h) + 3rem) var(--gut) 3rem;
  display: flex; flex-direction: column; gap: 0.35rem;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.55s var(--ease);
  overflow-y: auto;
}
.drawer.is-open { clip-path: inset(0 0 0 0); }
.drawer a {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.8rem, 8vw, 2.6rem);
  text-transform: uppercase; letter-spacing: -0.02em;
  padding-block: 0.3rem;
  border-bottom: 1px solid var(--rule-dark-soft);
  display: flex; justify-content: space-between; align-items: baseline;
}
.drawer a span { font-family: var(--font-mono); font-size: var(--t-mono); color: var(--orange); letter-spacing: 0.15em; }

/* ---------- 7. SECTION RAIL ---------- */
.rail {
  position: fixed; left: clamp(10px, 1.6vw, 26px); top: 50%;
  transform: translateY(-50%);
  z-index: 70;
  display: none;
  flex-direction: column; gap: 0.45rem;
  mix-blend-mode: normal;
}
.rail__track {
  position: absolute; left: 3px; top: 6px; bottom: 6px; width: 1px;
  background: var(--rule-dark);
}
.rail[data-band="light"] .rail__track { background: var(--rule-light); }
.rail__fill {
  position: absolute; left: 3px; top: 6px; width: 1px; height: 0;
  background: var(--orange); transition: height 0.15s linear;
}
.rail a {
  display: flex; align-items: center; gap: 0.65rem;
  padding-left: 14px;
  font-family: var(--font-mono); font-size: var(--t-mono);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--on-dark-faint);
  transition: color 0.3s, transform 0.35s var(--ease);
}
.rail[data-band="light"] a { color: var(--on-light-faint); }
.rail a span.rail__label {
  max-width: 0; overflow: hidden; white-space: nowrap;
  opacity: 0; transition: max-width 0.45s var(--ease), opacity 0.3s;
}
/* Labels expand only on deliberate hover — an always-on active label would
   collide with the oversized display type that sits beside the rail. */
.rail:hover a span.rail__label { max-width: 200px; opacity: 1; }
.rail a.is-active { color: var(--orange); transform: translateX(3px); }
.rail a:hover { color: var(--orange-hot); }
@media (min-width: 1180px) {
  .rail { display: flex; }
  .shell, .hero__type, .hscroll__intro, .fullbleed__cap, .hero__meta { padding-left: calc(var(--gut) + 52px); }
  .plat__panel { padding-left: calc(var(--gut) + 20px); }
}

/* ---------- 8. BUTTONS ---------- */
.btn {
  --btn-bg: var(--orange);
  --btn-fg: var(--orange-ink);
  position: relative;
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-mono); font-size: var(--t-xs);
  text-transform: uppercase; letter-spacing: 0.14em;
  padding: 1.05rem 1.6rem;
  background: var(--btn-bg); color: var(--btn-fg);
  border: 1px solid var(--btn-bg);
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
  will-change: transform;
}
.btn > * { position: relative; z-index: 2; }
.btn::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: var(--orange-ink);
  transform: translateY(101%);
  transition: transform 0.45s var(--ease);
}
.btn:hover { color: var(--orange); }
.btn:hover::after { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: currentColor;
  border-color: var(--rule-dark);
}
.band--bone .btn--ghost, .band--paper .btn--ghost { border-color: var(--rule-light); }
.btn--ghost::after { background: var(--orange); }
.btn--ghost:hover { color: var(--orange-ink); border-color: var(--orange); }

.band--orange .btn { --btn-bg: var(--orange-ink); --btn-fg: var(--orange); }
.band--orange .btn::after { background: #fff; }
.band--orange .btn:hover { color: var(--orange-ink); }

.btn__arrow { width: 14px; height: 14px; flex: none; }

.btnrow { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* ---------- 9. CUSTOM CURSOR ---------- */
.cursor, .cursor-dot {
  position: fixed; top: 0; left: 0; z-index: 200;
  pointer-events: none; border-radius: 50%;
  opacity: 0;
  will-change: transform;
}
.cursor {
  width: 34px; height: 34px;
  border: 1px solid var(--orange);
  transition: opacity 0.3s, width 0.3s var(--ease), height 0.3s var(--ease),
              background-color 0.3s, border-color 0.3s;
}
.cursor-dot { width: 5px; height: 5px; background: var(--orange); }
.cursor.is-active { width: 62px; height: 62px; background: rgba(232, 115, 42, 0.14); }
body.cursor-on { cursor: none; }
body.cursor-on a, body.cursor-on button, body.cursor-on select,
body.cursor-on input, body.cursor-on textarea, body.cursor-on label { cursor: none; }

/* ---------- 10. MARQUEE ---------- */
.marquee {
  position: relative; overflow: hidden;
  padding-block: clamp(0.9rem, 1.6vw, 1.4rem);
  border-block: 1px solid rgba(24, 11, 2, 0.28);
  background: var(--orange); color: var(--orange-ink);
  display: flex;
}
.marquee--ink { background: var(--ink); color: var(--on-dark); border-color: var(--rule-dark); }
.marquee--ink .marquee__item span { color: var(--orange); }
.marquee__track {
  display: flex; flex: none; align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-right: clamp(1.5rem, 4vw, 4rem);
  animation: marq 34s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  display: inline-flex; align-items: center; gap: clamp(1.5rem, 4vw, 4rem);
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.05rem, 2.4vw, 2.1rem);
  text-transform: uppercase; letter-spacing: -0.01em;
  white-space: nowrap;
}
.marquee__item span { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.2em; }
@keyframes marq { from { transform: translateX(0); } to { transform: translateX(-100%); } }

/* ---------- 11. HERO (split screen) ---------- */
.hero {
  position: relative;
  min-height: min(96vh, 900px);
  display: grid;
  grid-template-columns: 1fr;
  background: var(--ink);
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero__type {
  position: relative; z-index: 3;
  padding: clamp(2.5rem, 6vw, 5rem) var(--gut) clamp(2.5rem, 5vw, 4rem);
  display: flex; flex-direction: column; justify-content: center;
}
.hero__visual {
  position: relative;
  min-height: 46vh;
  overflow: hidden;
  border-top: 1px solid var(--rule-dark);
}
.hero__visual img {
  width: 100%; height: 100%; object-fit: cover; object-position: 55% 50%;
  filter: contrast(1.08) saturate(0.9);
}
.hero__visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,9,11,0.55), rgba(8,9,11,0.05) 45%, rgba(8,9,11,0.5));
}
.hero__meta {
  position: absolute; z-index: 4; bottom: 0; left: 0; right: 0;
  display: flex; flex-wrap: wrap; gap: 0 1.5rem;
  padding: 0.85rem var(--gut);
  border-top: 1px solid var(--rule-dark);
  background: rgba(8, 9, 11, 0.72);
  backdrop-filter: blur(6px);
}
.hero__meta li { list-style: none; font-family: var(--font-mono); font-size: var(--t-mono);
  text-transform: uppercase; letter-spacing: 0.18em; color: var(--on-dark-mute);
  white-space: nowrap; }
.hero__meta li b { color: var(--orange); font-weight: 500; }
.hero h1 { margin-bottom: var(--s5); }
.hero h1 em {
  font-style: normal; color: var(--orange); display: block;
}
.hero__slab {
  position: absolute; z-index: 2; top: 0; bottom: 0; left: 0; width: 34%;
  background: var(--orange); opacity: 0.9;
  clip-path: polygon(0 0, 100% 0, 62% 100%, 0 100%);
  display: none;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.05fr 0.95fr; align-items: stretch; }
  .hero__type { padding-block: clamp(4rem, 8vw, 7rem) 5.5rem; }
  .hero__visual { border-top: 0; border-left: 1px solid var(--rule-dark); }
  .hero__meta { left: auto; width: 52%; }
}

/* Ticker strip of live-ish stats under hero */
.statstrip {
  display: grid; grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--rule-dark);
}
.statstrip > div {
  padding: clamp(1.4rem, 3vw, 2.4rem) var(--gut);
  border-bottom: 1px solid var(--rule-dark);
  border-right: 1px solid var(--rule-dark);
}
.statstrip > div:nth-child(2n) { border-right: 0; }
.statstrip .num {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.35rem, 3.4vw, 3rem); line-height: 0.92;
  letter-spacing: -0.04em; color: var(--on-dark);
  display: block; margin-bottom: 0.4rem;
}
.statstrip .num i { font-style: normal; color: var(--orange); }
.statstrip .lbl { font-family: var(--font-mono); font-size: var(--t-mono);
  text-transform: uppercase; letter-spacing: 0.2em; color: var(--on-dark-mute); }
@media (min-width: 860px) {
  .statstrip { grid-template-columns: repeat(4, 1fr); }
  .statstrip > div { border-bottom: 0; }
  .statstrip > div:nth-child(2n) { border-right: 1px solid var(--rule-dark); }
  .statstrip > div:last-child { border-right: 0; }
}
.band--bone .statstrip, .band--bone .statstrip > div { border-color: var(--rule-light); }
.band--bone .statstrip .num { color: var(--on-light); }
.band--bone .statstrip .lbl { color: var(--on-light-mute); }

/* ---------- 12. SPLIT / EDITORIAL BLOCKS ---------- */
.split {
  display: grid; gap: clamp(2rem, 4vw, 4.5rem);
  align-items: start;
}
@media (min-width: 900px) {
  .split { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
  .split--wide-left { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
  .split--sticky > :first-child { position: sticky; top: calc(var(--header-h) + 2.5rem); }
}
.split__head h2 { margin-bottom: var(--s4); }

.rulelist { border-top: 1px solid var(--rule-dark); }
.band--bone .rulelist, .band--paper .rulelist { border-color: var(--rule-light); }
.rulelist > * {
  border-bottom: 1px solid var(--rule-dark);
  padding-block: clamp(1.1rem, 2vw, 1.6rem);
  display: grid; grid-template-columns: 3.2rem 1fr; gap: 0 1rem; align-items: start;
}
.band--bone .rulelist > *, .band--paper .rulelist > * { border-color: var(--rule-light); }
.rulelist .idx { font-family: var(--font-mono); font-size: var(--t-mono);
  letter-spacing: 0.16em; color: var(--orange); padding-top: 0.35rem; }
.rulelist h3, .rulelist h4 { font-size: var(--d4); margin-bottom: 0.4rem; }
.rulelist p { font-size: var(--t-sm); line-height: 1.7; max-width: 60ch; }

/* ---------- 13. CAPABILITY RAIL (pinned horizontal) ---------- */
.hscroll { position: relative; background: var(--ink); color: var(--on-dark); }
.hscroll__viewport { overflow: hidden; }
.hscroll__track {
  display: flex; align-items: stretch;
  will-change: transform;
}
.hscroll__intro,
.hcard {
  flex: 0 0 auto;
  width: min(78vw, 460px);
  border-right: 1px solid var(--rule-dark);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  display: flex; flex-direction: column;
  position: relative;
  min-height: clamp(420px, 62vh, 620px);
  transition: background-color 0.4s var(--ease);
}
.hscroll__intro { width: min(88vw, 560px); justify-content: center; background: var(--graphite); }
.hcard__num {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(4rem, 9vw, 7.5rem); line-height: 0.8;
  letter-spacing: -0.05em;
  color: transparent; -webkit-text-stroke: 1px var(--rule-dark);
  margin-bottom: auto;
  transition: color 0.4s var(--ease), -webkit-text-stroke-color 0.4s var(--ease);
}
.hcard h3 { font-size: var(--d3); margin-bottom: var(--s3); }
.hcard p { font-size: var(--t-sm); color: var(--on-dark-mute); line-height: 1.7; }
.hcard__more {
  margin-top: var(--s4);
  font-family: var(--font-mono); font-size: var(--t-mono);
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--orange);
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.hcard:hover { background: var(--graphite-2); }
.hcard:hover .hcard__num { color: var(--orange); -webkit-text-stroke-color: var(--orange); }
.hscroll__progress { height: 2px; background: var(--rule-dark); position: relative; }
.hscroll__progress i { position: absolute; inset-block: 0; left: 0; width: 0; background: var(--orange); display: block; }

/* Non-pinned fallback (mobile / reduced motion): horizontal snap scroller */
.hscroll__viewport.is-native {
  overflow-x: auto; scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.hscroll__viewport.is-native .hcard,
.hscroll__viewport.is-native .hscroll__intro { scroll-snap-align: start; }

/* ---------- 14. CAPABILITY LIST (hover shifts layout) ---------- */
.caplist { border-top: 1px solid var(--rule-dark); }
.band--bone .caplist { border-color: var(--rule-light); }
.cap {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: 0 1rem;
  align-items: center;
  border-bottom: 1px solid var(--rule-dark);
  padding-block: clamp(1.1rem, 2.4vw, 2rem);
  transition: opacity 0.4s var(--ease), padding 0.4s var(--ease), background 0.4s var(--ease);
  position: relative;
}
.band--bone .cap { border-color: var(--rule-light); }
.cap h3 { font-size: clamp(1.4rem, 3.6vw, 2.6rem); transition: transform 0.5s var(--ease), color 0.35s; }
.cap__idx { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.16em; color: var(--orange); }
.cap__body { overflow: hidden; max-height: 0; opacity: 0;
  transition: max-height 0.55s var(--ease), opacity 0.4s var(--ease), margin 0.5s var(--ease); }
.cap__body p { font-size: var(--t-sm); line-height: 1.7; max-width: 58ch; }
.caplist:hover .cap { opacity: 0.42; }
.cap:hover, .cap:focus-within { opacity: 1 !important; }
.cap:hover h3, .cap:focus-within h3 { transform: translateX(clamp(6px, 1.2vw, 22px)); color: var(--orange); }
.cap:hover .cap__body, .cap:focus-within .cap__body { max-height: 16rem; opacity: 1; margin-top: 0.75rem; }
@media (hover: none) {
  .caplist:hover .cap { opacity: 1; }
  .cap__body { max-height: none; opacity: 1; margin-top: 0.6rem; }
}

/* ---------- 15. PLATFORM COMPARISON (pinned) ---------- */
.plat { position: relative; background: var(--ink); color: var(--on-dark); }
.plat__tabs {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--rule-dark);
}
.plat__tab {
  background: none; border: 0; border-right: 1px solid var(--rule-dark);
  padding: clamp(0.9rem, 2vw, 1.4rem) clamp(0.7rem, 2vw, 1.5rem);
  text-align: left; cursor: pointer; position: relative; overflow: hidden;
  transition: background 0.35s var(--ease), color 0.35s;
}
.plat__tab:last-child { border-right: 0; }
.plat__tab .n { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.18em; color: var(--on-dark-faint); display: block; margin-bottom: 0.35rem; }
.plat__tab .t { font-family: var(--font-display); font-weight: 600; font-size: clamp(1rem, 2.6vw, 1.9rem);
  text-transform: uppercase; letter-spacing: -0.02em; line-height: 1; display: block; }
.plat__tab::after {
  content: ""; position: absolute; inset-inline: 0; bottom: 0; height: 3px; background: var(--orange);
  transform: scaleX(0); transform-origin: left; transition: transform 0.45s var(--ease);
}
.plat__tab[aria-selected="true"] { background: var(--graphite); }
.plat__tab[aria-selected="true"] .n { color: var(--orange); }
.plat__tab[aria-selected="true"]::after { transform: scaleX(1); }
.plat__tab:hover { background: var(--graphite-2); }

.plat__stage { position: relative; display: grid; grid-template-columns: 1fr; }
@media (min-width: 900px) { .plat__stage { grid-template-columns: 1fr 1fr; } }
.plat__media { position: relative; overflow: hidden; min-height: 44vh; background: var(--graphite); }
.plat__media figure { position: absolute; inset: 0; margin: 0; opacity: 0;
  clip-path: inset(0 0 100% 0); transition: opacity 0.6s var(--ease), clip-path 0.8s var(--ease); }
.plat__media figure.is-live { opacity: 1; clip-path: inset(0 0 0 0); }
.plat__media img { width: 100%; height: 100%; object-fit: cover; }
.plat__media .tagnum {
  position: absolute; left: 0; bottom: 0; z-index: 3;
  font-family: var(--font-display); font-weight: 600; font-size: clamp(4rem, 12vw, 9rem);
  line-height: 0.8; color: rgba(243,240,233,0.9); mix-blend-mode: overlay;
  padding: 0 0.1em;
}
.plat__panel { padding: clamp(1.75rem, 4vw, 3.5rem) var(--gut); border-left: 1px solid var(--rule-dark); }
@media (max-width: 899px) { .plat__panel { border-left: 0; border-top: 1px solid var(--rule-dark); } }
.plat__panel h3 { font-size: var(--d2); margin-bottom: var(--s3); }
.plat__panel > p { font-size: var(--t-sm); line-height: 1.75; color: var(--on-dark-mute); max-width: 54ch; margin-bottom: var(--s5); }
.specgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1px;
  background: var(--rule-dark); border: 1px solid var(--rule-dark); margin-bottom: var(--s5); }
.specgrid div { background: var(--ink); padding: 0.85rem 1rem; font-family: var(--font-mono);
  font-size: var(--t-xs); letter-spacing: 0.04em; color: var(--on-dark-mute);
  display: flex; align-items: center; gap: 0.6rem; }
.specgrid div::before { content: ""; width: 5px; height: 5px; background: var(--orange); flex: none; }
.plat__pane { display: none; }
.plat__pane.is-live { display: block; }

/* ---------- 16. FULL-BLEED IMAGE / WIPE ---------- */
.fullbleed { position: relative; overflow: hidden; }
.fullbleed img { width: 100%; height: clamp(280px, 46vw, 620px); object-fit: cover; }
.fullbleed__cap {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 1rem var(--gut);
  background: linear-gradient(0deg, rgba(8,9,11,0.85), transparent);
  font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--on-dark-mute);
}
.wipe { clip-path: inset(0 0 100% 0); }
.wipe.is-in { clip-path: inset(0 0 0 0); transition: clip-path 1.05s var(--ease); }

/* Diagonal orange field that grows on scroll */
.chapter {
  position: relative; overflow: hidden;
  background: var(--ink); color: var(--on-dark);
  padding-block: clamp(4rem, 9vw, 8rem);
}
.chapter__field {
  position: absolute; inset: 0; z-index: 0;
  background: var(--orange);
  clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%);
  will-change: clip-path;
}
.chapter__inner { position: relative; z-index: 2; }
.chapter h2 { font-size: var(--d1); }
.chapter .quote-mark { font-size: var(--d0); line-height: 0.6; color: var(--orange); display: block; }

/* ---------- 17. CARDS / TIERS / TABLES ---------- */
.slabgrid { display: grid; gap: 1px; background: var(--rule-dark); border: 1px solid var(--rule-dark); }
.band--bone .slabgrid, .band--paper .slabgrid { background: var(--rule-light); border-color: var(--rule-light); }
@media (min-width: 720px) { .slabgrid--2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .slabgrid--3 { grid-template-columns: repeat(3, 1fr); } }
.slab {
  background: var(--ink); padding: clamp(1.5rem, 2.6vw, 2.25rem);
  transition: background 0.35s var(--ease), transform 0.45s var(--ease);
  position: relative;
}
.band--graphite .slab { background: var(--graphite); }
.band--bone .slab { background: var(--bone); }
.band--paper .slab { background: var(--paper); }
.slab:hover { background: var(--graphite-2); }
.band--bone .slab:hover, .band--paper .slab:hover { background: #fff; }
.slab h3, .slab h4 { font-size: var(--d4); margin-bottom: 0.6rem; }
.slab p { font-size: var(--t-sm); line-height: 1.7; }
.slab .idx { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.18em;
  color: var(--orange); display: block; margin-bottom: var(--s4); }
.slab--featured { outline: 2px solid var(--orange); outline-offset: -2px; z-index: 2; }
.slab__icon { width: 26px; height: 26px; color: var(--orange); margin-bottom: var(--s4); }
.slab__icon svg { width: 100%; height: 100%; }

.ticklist { list-style: none; padding: 0; display: grid; gap: 0.55rem; margin-block: var(--s4); }
.ticklist li { display: flex; gap: 0.7rem; font-size: var(--t-sm); align-items: flex-start; line-height: 1.55; }
.ticklist svg { width: 14px; height: 14px; flex: none; margin-top: 0.35rem; color: var(--orange); }

.metarow { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--s5); }
.metarow span {
  font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.14em;
  text-transform: uppercase; padding: 0.5rem 0.8rem;
  border: 1px solid var(--rule-dark); color: var(--on-dark-mute);
}
.band--bone .metarow span, .band--paper .metarow span { border-color: var(--rule-light); color: var(--on-light-mute); }

/* Schedule / numbered rows */
.dayrow { display: grid; grid-template-columns: 4.5rem 1fr; gap: 0 1.25rem;
  border-top: 1px solid var(--rule-dark); padding-block: 1.15rem; align-items: baseline; }
.band--bone .dayrow, .band--paper .dayrow { border-color: var(--rule-light); }
.dayrow:last-child { border-bottom: 1px solid var(--rule-dark); }
.band--bone .dayrow:last-child, .band--paper .dayrow:last-child { border-bottom-color: var(--rule-light); }
.dayrow .d { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.16em; color: var(--orange); }
.dayrow h4 { font-size: var(--d4); margin-bottom: 0.25rem; }
.dayrow p { font-size: var(--t-xs); line-height: 1.6; }

/* Leadership */
.leadgrid { display: grid; gap: 1px; background: var(--rule-dark); border: 1px solid var(--rule-dark); }
@media (min-width: 820px) { .leadgrid { grid-template-columns: 1fr 1fr; } }
.lead { background: var(--ink); padding: clamp(1.5rem, 3vw, 2.5rem); }
.lead--wide { grid-column: 1 / -1; display: grid; gap: clamp(1.25rem, 3vw, 2.5rem); }
@media (min-width: 820px) { .lead--wide { grid-template-columns: 12rem 1fr; } }
.lead__mono {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(3.5rem, 9vw, 7rem); line-height: 0.8; letter-spacing: -0.05em;
  color: var(--orange);
}
.lead h3 { font-size: var(--d3); }
.lead h4 { font-size: var(--d4); }
.lead .role { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--on-dark-mute); margin-block: 0.5rem 1rem; }
.lead p { font-size: var(--t-sm); line-height: 1.75; color: var(--on-dark-mute); }

/* Partner logos row */
.logorow { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(1rem, 3vw, 3rem);
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: clamp(1.1rem, 2.6vw, 2rem); letter-spacing: -0.01em; }
.logorow i { width: 6px; height: 6px; background: var(--orange); flex: none; }

/* ---------- 18. CONTACT / FORM ---------- */
.formwrap { border: 1px solid var(--rule-dark); background: var(--graphite); padding: clamp(1.5rem, 3vw, 2.75rem); }
.frow { display: grid; gap: 1rem; }
@media (min-width: 620px) { .frow--2 { grid-template-columns: 1fr 1fr; } }
.fgroup { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.fgroup label {
  font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--on-dark-mute);
  display: flex; gap: 0.4rem; align-items: baseline;
}
.fgroup label .req { color: var(--orange); }
.fgroup label .opt { color: var(--on-dark-faint); letter-spacing: 0.1em; }
.fgroup input, .fgroup select, .fgroup textarea {
  background: var(--ink); border: 1px solid var(--rule-dark); color: var(--on-dark);
  padding: 0.85rem 0.95rem; font-size: var(--t-sm); font-family: var(--font-body);
  border-radius: 0; width: 100%;
  transition: border-color 0.25s, background 0.25s;
}
.fgroup textarea { resize: vertical; min-height: 7rem; }
.fgroup select { appearance: none; background-image:
  linear-gradient(45deg, transparent 50%, var(--orange) 50%),
  linear-gradient(135deg, var(--orange) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% + 2px), calc(100% - 12px) calc(50% + 2px);
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; padding-right: 2.5rem; }
.fgroup input:focus, .fgroup select:focus, .fgroup textarea:focus {
  border-color: var(--orange); outline: none; background: #0B0D10;
}
.fgroup input::placeholder, .fgroup textarea::placeholder { color: var(--on-dark-faint); }
.fgroup--prefilled select { border-color: var(--orange); }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.fcond { border-left: 2px solid var(--orange); padding-left: clamp(0.9rem, 2vw, 1.4rem); margin-bottom: 1rem; }
.fcond[hidden] { display: none !important; }
.fcond.is-revealed { animation: condIn 0.5s var(--ease) both; }
@keyframes condIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.fnote { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.1em;
  color: var(--orange); line-height: 1.7; margin-bottom: 1rem; text-transform: uppercase; }

.fstatus { display: none; padding: 0.9rem 1rem; margin-bottom: 1rem; font-size: var(--t-xs);
  font-family: var(--font-mono); letter-spacing: 0.06em; border-left: 3px solid; }
.fstatus.success { display: block; border-color: #3FA37A; background: rgba(63,163,122,0.12); color: #8FE0BE; }
.fstatus.error { display: block; border-color: var(--orange); background: rgba(232,115,42,0.12); color: #FFB98C; }

.infolist { border-top: 1px solid var(--rule-dark); }
.infolist > div { border-bottom: 1px solid var(--rule-dark); padding-block: 1.25rem;
  display: grid; grid-template-columns: 8rem 1fr; gap: 0 1rem; }
@media (max-width: 560px) { .infolist > div { grid-template-columns: 1fr; gap: 0.4rem; } }
.infolist h4 { font-family: var(--font-mono); font-weight: 400; font-size: var(--t-mono);
  letter-spacing: 0.18em; color: var(--orange); text-transform: uppercase; }
.infolist p { font-size: var(--t-sm); line-height: 1.7; color: var(--on-dark-mute); }
.infolist a { border-bottom: 1px solid var(--rule-dark); }
.infolist a:hover { color: var(--orange); border-color: var(--orange); }
.mapframe { border: 1px solid var(--rule-dark); }
.mapframe iframe { display: block; filter: grayscale(1) contrast(1.1) invert(0.9) hue-rotate(180deg); }

/* ---------- 19. FOOTER ---------- */
.ftr { background: var(--ink); color: var(--on-dark); border-top: 1px solid var(--rule-dark); }
.ftr__top { display: grid; gap: clamp(2rem, 4vw, 3rem); padding-block: clamp(3rem, 6vw, 5rem); }
@media (min-width: 860px) { .ftr__top { grid-template-columns: 1.4fr 0.8fr 0.8fr; } }
.ftr__word {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: clamp(2.5rem, 8vw, 5.5rem); line-height: 0.85; letter-spacing: -0.04em;
  margin-bottom: var(--s4);
}
.ftr__tag { font-family: var(--font-mono); font-size: var(--t-xs); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--orange); }
.ftr h4 { font-family: var(--font-mono); font-weight: 400; font-size: var(--t-mono);
  letter-spacing: 0.2em; color: var(--on-dark-faint); margin-bottom: var(--s3); }
.ftr ul { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.ftr ul a { font-size: var(--t-sm); color: var(--on-dark-mute); transition: color 0.25s; }
.ftr ul a:hover { color: var(--orange); }
.ftr__social { display: flex; gap: 0.6rem; margin-top: var(--s3); }
.ftr__social a { width: 38px; height: 38px; border: 1px solid var(--rule-dark);
  display: grid; place-items: center; color: var(--on-dark-mute); transition: all 0.3s; }
.ftr__social a:hover { border-color: var(--orange); color: var(--orange); }
.ftr__bottom { border-top: 1px solid var(--rule-dark); padding-block: 1.25rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--on-dark-faint); }
.ftr__bottom a { margin-left: 1.25rem; }
.ftr__bottom a:hover { color: var(--orange); }
.ftr__brandmark { display: flex; align-items: center; gap: 0.65rem; margin-bottom: var(--s4); }
.ftr__brandmark img { width: 30px; }

/* ---------- 20. REVEALS ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); }
[data-reveal].is-in { opacity: 1; transform: none; transition: opacity 0.8s var(--ease), transform 0.9s var(--ease); }
.no-js [data-reveal], .reduced [data-reveal] { opacity: 1; transform: none; }

/* ---------- 21. REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .marquee__track { animation: none; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .wipe { clip-path: none !important; }
  .cursor, .cursor-dot { display: none !important; }
}

/* ---------- 22. RAIL CLEARANCE (must come last: shorthand `padding` rules
   on .hero__type / .hscroll__intro / .fullbleed__cap appear later in this
   file and would otherwise win over the padding-left set in section 7) ---- */
@media (min-width: 1180px) {
  .shell,
  .hero__type,
  .hscroll__intro,
  .fullbleed__cap { padding-left: calc(var(--gut) + 52px); }
  .plat__panel { padding-left: calc(var(--gut) + 20px); }
  .plat__tabs { padding-left: 52px; }
}

/* Emphasis inside display headings is a colour shift, never an italic. */
h1 em, h2 em, h3 em { font-style: normal; color: var(--orange); }
.band--bone h1 em, .band--bone h2 em,
.band--paper h1 em, .band--paper h2 em { color: var(--orange-deep); }

/* Contact: give the form column the extra room it needs for paired fields. */
.split--form { align-items: start; }
@media (min-width: 900px) { .split--form { grid-template-columns: 1.15fr 0.85fr; } }

/* ---------- 23. CHAPTER LEGIBILITY OVER THE SCRUBBED ORANGE FIELD ----------
   The diagonal field sweeps beneath the copy, so the type has to stay legible
   on BOTH the ink start state and the orange end state. Deep orange gives the
   bone type ~4.8:1, and the buttons switch to a bone fill with ink text. */
.chapter__field { background: var(--orange-deep); }
.chapter .eyebrow { color: var(--bone); }
.chapter .eyebrow::before { background: var(--bone); }
.chapter .lede, .chapter .body-copy, .chapter p.muted { color: var(--bone); }
.chapter .btn { --btn-bg: var(--bone); --btn-fg: var(--ink); }
.chapter .btn::after { background: var(--ink); }
.chapter .btn:hover { color: var(--bone); }
.chapter .btn--ghost { --btn-bg: transparent; --btn-fg: var(--bone); border-color: var(--bone); }
.chapter .btn--ghost::after { background: var(--bone); }
.chapter .btn--ghost:hover { color: var(--ink); border-color: var(--bone); }

/* ---------- 24. RESOURCES: OPEN LIBRARY + EBOOK CHAPTERS ----------
   Additive, page-scoped component. `.slabgrid--4` and `.featslab` extend the
   existing slab system; `.ebk*` is the ebook chapter block. Nothing here
   redefines a class used by the other pages. */
@media (min-width: 720px)  { .slabgrid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1120px) { .slabgrid--4 { grid-template-columns: repeat(4, 1fr); } }
.featslab .slab h2 { font-size: var(--d4); margin-bottom: 0.6rem; letter-spacing: -0.015em; }
.featslab .slab p { font-size: var(--t-sm); line-height: 1.7; }

/* The ebook chapter block: oversized numeral + cover slab beside the record. */
.ebk {
  position: relative; z-index: 1;
  display: grid; gap: clamp(1.75rem, 4vw, 4rem); align-items: start;
}
@media (min-width: 1000px) {
  .ebk { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); }
  .ebk--flip .ebk__cover { order: 2; }
}
.ebk__cover { display: flex; align-items: flex-end; gap: clamp(0.5rem, 1.6vw, 1.25rem); }
.ebk__num {
  flex: none;
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(3.6rem, 12vw, 9.5rem); line-height: 0.7;
  letter-spacing: -0.06em;
  -webkit-text-stroke-width: 2px;
  transition: color 0.5s var(--ease), -webkit-text-stroke-color 0.5s var(--ease);
}
.ebk__book {
  position: relative; overflow: hidden;
  flex: 1 1 auto; max-width: 320px; aspect-ratio: 8.5 / 11;
  background: var(--ink-2); border: 1px solid var(--rule-dark);
  padding: clamp(1.05rem, 2.2vw, 1.6rem);
  display: flex; flex-direction: column; gap: 0.3rem;
  color: var(--on-dark);
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease), border-color 0.35s var(--ease);
}
.band--bone .ebk__book { border-color: rgba(12, 14, 17, 0.3); }
/* Orange field held at a sliver, sweeping the full cover on hover/focus. */
.ebk__book::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(232,115,42,0) 0%, rgba(232,115,42,0.28) 58%, rgba(232,115,42,0.62) 100%);
  transform: scaleY(0.16); transform-origin: bottom;
  transition: transform 0.75s var(--ease);
}
.ebk__book::after {
  content: ""; position: absolute; z-index: 0;
  width: 220px; height: 220px; top: -70px; right: -80px; border-radius: 50%;
  background: radial-gradient(circle, rgba(232,115,42,0.3) 0%, rgba(232,115,42,0) 70%);
}
.ebk__book > * { position: relative; z-index: 1; }
.ebk__book-label {
  font-family: var(--font-mono); font-size: var(--t-mono);
  text-transform: uppercase; letter-spacing: 0.22em; color: var(--orange);
}
.ebk__book-title {
  margin-top: auto;
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: clamp(1.1rem, 2.6vw, 1.7rem); line-height: 0.94; letter-spacing: -0.035em;
}
.ebk__book-sub {
  font-family: var(--font-mono); font-size: var(--t-mono);
  text-transform: uppercase; letter-spacing: 0.16em; color: #E6E1D6;
}
.ebk:hover .ebk__book, .ebk:focus-within .ebk__book {
  transform: translateY(-10px) rotate(-1.5deg);
  border-color: var(--orange);
  box-shadow: 0 26px 60px rgba(8, 9, 11, 0.45);
}
.ebk:hover .ebk__book::before, .ebk:focus-within .ebk__book::before { transform: scaleY(1); }
.ebk:hover .ebk__num, .ebk:focus-within .ebk__num {
  color: var(--orange); -webkit-text-stroke-color: var(--orange);
}

.ebk__body h2 { margin-block: var(--s3) 0; }
.ebk__desc { font-size: var(--t-lg); line-height: 1.62; max-width: 58ch; margin-top: var(--s4); }
.ebk__body .metarow { margin-top: var(--s5); margin-bottom: 0; }
.ebk__specs {
  list-style: none; padding: 0; margin-block: var(--s5) var(--s5);
  display: flex; flex-wrap: wrap; gap: 0 clamp(1.1rem, 2.6vw, 2.5rem);
  border-top: 1px solid var(--rule-dark); border-bottom: 1px solid var(--rule-dark);
}
.band--bone .ebk__specs { border-color: var(--rule-light); }
.ebk__specs li {
  display: flex; align-items: center; gap: 0.55rem; padding-block: 0.8rem;
  font-family: var(--font-mono); font-size: var(--t-mono);
  text-transform: uppercase; letter-spacing: 0.16em;
}
.ebk__specs li::before { content: ""; width: 5px; height: 5px; background: var(--orange); flex: none; }
.ebk__meta {
  display: block; margin-top: var(--s4);
  font-family: var(--font-mono); font-size: var(--t-mono);
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--on-dark-faint);
}
.band--bone .ebk__meta { color: var(--on-light-faint); }

/* Reduced motion: the reveal still happens (it carries meaning) but the cover
   no longer lifts or tilts, and every transition is already near-instant. */
@media (prefers-reduced-motion: reduce) {
  .ebk:hover .ebk__book, .ebk:focus-within .ebk__book { transform: none; }
}