:root {
  color-scheme: dark;

  /* surfaces */
  --ink: #0a0810;
  --ink-2: #11101a;
  --paper: #f1ead8;
  --cream: #f0e6cf;
  --crimson: #b21d2c;
  --crimson-deep: #5a0d18;
  --cobalt: #1d3fc2;
  --cobalt-deep: #0a1c5a;
  --emerald: #2c8a5a;
  --plum: #5a2370;
  --mustard: #d6a730;
  --gold: #e8a83d;
  --gold-2: #f6c870;

  /* foreground */
  --bone: #efe8d6;
  --bone-2: #ddd6c2;
  --bone-soft: rgba(239, 232, 214, 0.66);
  --bone-faint: rgba(239, 232, 214, 0.38);
  --bone-quiet: rgba(239, 232, 214, 0.14);
  --rule: rgba(239, 232, 214, 0.18);
  --rule-soft: rgba(239, 232, 214, 0.08);
  --rule-dark: rgba(0, 0, 0, 0.16);

  --gold-foil: linear-gradient(180deg, #f7dc92 0%, #e6c177 32%, #d6ad5d 58%, #b08334 86%);

  --ease: cubic-bezier(.2,.6,.2,1);
  --ease-slow: cubic-bezier(.16,.84,.24,1);
  --ease-pop: cubic-bezier(.34,1.56,.64,1);

  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --display: "Saira Condensed", "Inter Tight", system-ui, sans-serif;
  --sans: "Inter Tight", "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga", "ss01";
  overflow-x: hidden;
  cursor: none;
}

body.is-loading { overflow: hidden; }

img, video, canvas { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

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

/* ---- curtain ---- */
.curtain {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--ink);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 28px;
  pointer-events: auto;
  transition: clip-path 1300ms var(--ease-slow), opacity 600ms ease 1000ms;
  clip-path: inset(0 0 0 0);
}

body:not(.is-loading) .curtain {
  clip-path: inset(100% 0 0 0);
  opacity: 0;
  pointer-events: none;
}

.curtain img { width: clamp(120px, 14vw, 180px); height: auto; }

.curtain-bar {
  display: block;
  width: clamp(160px, 18vw, 240px);
  height: 1px;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}

.curtain-bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--gold);
  transition: width 200ms ease-out;
}

/* ---- cursor ---- */
.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 22px;
  height: 22px;
  pointer-events: none;
  z-index: 200;
  mix-blend-mode: difference;
  will-change: transform;
}

.cursor span {
  position: absolute;
  inset: 0;
  border: 1px solid var(--bone);
  border-radius: 50%;
  opacity: 0.78;
  transition: transform 320ms var(--ease), opacity 280ms ease;
}

.cursor.is-link span { transform: scale(2.2); opacity: 0.4; }

@media (hover: none), (pointer: coarse) {
  body { cursor: auto; }
  .cursor { display: none; }
}

/* ---- top brand mark (replaces full nav) ---- */
.top-mark {
  position: fixed;
  top: clamp(20px, 3vw, 36px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 900;
  display: inline-flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 18px);
  pointer-events: none;
  isolation: isolate;
}

.top-glyph {
  height: clamp(56px, 6vw, 84px);
  width: auto;
  filter: drop-shadow(0 4px 14px rgba(232, 168, 61, 0.32));
  transition: filter 320ms ease;
}

.top-mark.is-on-light .top-glyph {
  filter: brightness(0) drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
}

.top-mark.is-on-cinema .top-glyph {
  filter: brightness(0) invert(1) drop-shadow(0 2px 10px rgba(0, 0, 0, 0.55));
}

@media (max-width: 640px) {
  .top-mark { top: 16px; gap: 10px; }
  .top-glyph { height: 56px; }
}

/* legacy nav rules kept as no-ops in case any leftover hook references them */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  pointer-events: none;
  isolation: isolate;
  display: none;
}

.nav a, .nav button { pointer-events: auto; }

/* tier 1 — utility */
.util {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(28px, 5vw, 64px);
  height: 52px;
  background: rgba(4, 3, 6, 0.96);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--bone);
  overflow: hidden;
  transition: height 600ms var(--ease), opacity 360ms ease, border-color 400ms ease;
}

body.is-scrolled .util {
  height: 0;
  opacity: 0;
  border-bottom-color: transparent;
  pointer-events: none;
}

.util-l, .util-r {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.util-r {
  justify-content: flex-end;
  gap: 14px;
}

.util-c {
  display: flex;
  justify-content: center;
}

.util-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--bone);
  transition: color 240ms ease;
}

.util-link:hover { color: var(--gold-2); }
.util-link svg { color: var(--gold); flex-shrink: 0; }

.util-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--bone);
}

.util-tagline em { color: var(--gold); }

.util-loc {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--bone);
}

.util-loc i {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(232, 168, 61, 0.5);
  animation: pulseDot 2.6s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 168, 61, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(232, 168, 61, 0); }
}

.util-r a {
  color: var(--bone-soft);
  transition: color 220ms ease;
}

.util-r a.is-active { color: var(--bone); }
.util-r a:hover { color: var(--gold-2); }
.util-sep { color: var(--bone-faint); }

/* tier 2 — primary */
.bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(28px, 5vw, 64px);
  height: 88px;
  background: rgba(4, 3, 6, 0.86);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border-bottom: 1px solid var(--rule);
  transition:
    height 500ms var(--ease),
    background 400ms ease,
    border-color 400ms ease,
    box-shadow 400ms ease;
}

body.is-scrolled .bar {
  height: 78px;
  background: rgba(4, 3, 6, 0.94);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  justify-self: start;
}

.brand-glyph { width: 44px; height: auto; filter: drop-shadow(0 4px 12px rgba(232, 168, 61, 0.3)); }
.brand-word { display: none; }

.nav-links {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 42px);
  justify-self: center;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.nav-links a {
  position: relative;
  padding: 10px 0;
  color: var(--bone);
  transition: color 240ms ease;
}

.nav-links a:hover { color: var(--gold-2); }
.nav-links a.is-active { color: var(--gold); }

.nav-indicator {
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(232, 168, 61, 0.5);
  opacity: 0;
  transition: transform 540ms var(--ease-slow), width 540ms var(--ease-slow), opacity 320ms ease;
  pointer-events: none;
}

.cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  border: 1px solid rgba(232, 168, 61, 0.42);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--bone);
  background: rgba(232, 168, 61, 0.06);
  transition: border-color 280ms ease, color 280ms ease, background 280ms ease;
  will-change: transform;
}

.cta span { color: var(--gold); transition: transform 360ms var(--ease); }
.cta:hover { border-color: var(--gold); background: rgba(232, 168, 61, 0.14); }
.cta:hover span { transform: translateX(3px); }

@media (max-width: 1080px) {
  .util-c { display: none; }
  .util-r .util-loc { display: none; }
}

@media (max-width: 880px) {
  .nav-links { display: none; }
  .bar { grid-template-columns: 1fr auto; }
  .util-l { gap: 16px; }
  .util-link span { display: none; }
}

/* ---- cinema (cover) ---- */
.cinema { position: relative; min-height: 600vh; }

.cinema-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: #000;
}

.cinema-stage::before,
.cinema-stage::after {
  display: none;
}

#scrub {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
  pointer-events: none;
}

#gl {
  display: none;
}

.vignette {
  display: none;
}

.cover {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  padding: 0 clamp(28px, 6vw, 96px);
  pointer-events: none;
}

.cover h1,
.cover-sub,
.cover-foot {
  filter: url(#liquid-soft);
}

.vol {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 clamp(22px, 3vw, 40px);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-soft);
}

.vol em { color: var(--gold); font-style: normal; }

.cover h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(72px, 12vw, 200px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-shadow: 0 4px 28px rgba(0, 0, 0, 0.7);
}

.cover h1 .ln {
  display: block;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1200ms var(--ease), transform 1200ms var(--ease);
}

body:not(.is-loading) .cover h1 .ln { opacity: 1; transform: none; }
body:not(.is-loading) .cover h1 .ln:nth-child(2) { transition-delay: 280ms; }

.cover h1 em {
  font-style: italic;
  color: #ffffff;
  background: none;
  -webkit-text-fill-color: #ffffff;
}

.cover-sub {
  margin: clamp(28px, 4vw, 48px) 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 1.7vw, 28px);
  line-height: 1.4;
  color: var(--bone-soft);
  max-width: 36ch;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1100ms var(--ease) 560ms, transform 1100ms var(--ease) 560ms;
}

body:not(.is-loading) .cover-sub { opacity: 1; transform: none; }

.cover-foot {
  position: fixed;
  z-index: 10;
  left: 50%;
  bottom: clamp(40px, 6vh, 80px);
  transform: translateX(-50%);
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-faint);
  white-space: nowrap;
  pointer-events: none;
}

.cover-foot em {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--gold);
}

body.past-cinema .cover,
body.past-cinema .cover-foot { opacity: 0; transition: opacity 360ms ease; }

/* ---- shared section ---- */
.section {
  position: relative;
  padding: clamp(160px, 20vw, 240px) clamp(28px, 8vw, 132px);
  border-top: 1px solid var(--rule);
  --bg: var(--ink);
  --fg: var(--bone);
  --acc: var(--gold);
  background: var(--bg);
  color: var(--fg);
  transition: background 600ms var(--ease);
}

/* per-section saturated palettes (poppr-style chromatic shift) */
.manifesto {
  --bg: #2a0c12;
  --fg: var(--cream);
  --acc: var(--gold-2);
  background:
    radial-gradient(ellipse at 80% 0%, rgba(232, 168, 61, 0.18) 0%, transparent 52%),
    radial-gradient(ellipse at 0% 100%, rgba(178, 29, 44, 0.6) 0%, transparent 50%),
    var(--bg);
}

.collection {
  --bg: #efe6cf;
  --fg: #1a1612;
  --acc: #b21d2c;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(178, 29, 44, 0.08) 0%, transparent 38%),
    var(--bg);
}

.four-t {
  --bg: #0a1638;
  --fg: var(--cream);
  --acc: var(--gold-2);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(29, 63, 194, 0.55) 0%, transparent 52%),
    radial-gradient(ellipse at 0% 100%, rgba(232, 168, 61, 0.18) 0%, transparent 50%),
    var(--bg);
}

.bench {
  --bg: #08070a;
  --fg: var(--cream);
  --acc: var(--cobalt);
  background:
    radial-gradient(ellipse at 100% 50%, rgba(29, 63, 194, 0.22) 0%, transparent 60%),
    var(--bg);
}

.why {
  --bg: #d6a730;
  --fg: #1a1208;
  --acc: #5a0d18;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(178, 29, 44, 0.18) 0%, transparent 56%),
    var(--bg);
}

.why .reasons p { color: rgba(26, 18, 8, 0.78); }
.why .r-no { color: rgba(26, 18, 8, 0.55); }

.contact {
  --bg: #1a0822;
  --fg: var(--cream);
  --acc: var(--gold-2);
  background:
    radial-gradient(ellipse at 50% 50%, rgba(90, 35, 112, 0.5) 0%, transparent 65%),
    var(--bg);
}

/* light-bg sections need adjusted rule colour */
.collection, .why { --rule: rgba(0, 0, 0, 0.18); --rule-soft: rgba(0, 0, 0, 0.08); }

.page-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 clamp(60px, 8vw, 110px);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-soft);
}

.page-mark em { color: var(--gold); font-style: normal; }
.page-mark span:last-child { color: var(--bone-faint); }

.kicker {
  margin: 0 0 22px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--acc);
}

/* HEADLINES — bold condensed sans, huge. Italic only as small accent. */
h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(72px, 11vw, 200px);
  line-height: 0.86;
  letter-spacing: -0.022em;
  text-transform: uppercase;
}

h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  letter-spacing: -0.005em;
  color: var(--acc);
  -webkit-text-fill-color: var(--acc);
}

h3 { margin: 0; }

/* page-mark uses the section's accent */
.page-mark em { color: var(--acc); }
.page-mark span:last-child { color: color-mix(in srgb, var(--fg) 40%, transparent); }

/* big primary CTA pill — used at end of sections */
.big-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 22px 36px 22px 42px;
  background: var(--acc);
  color: var(--bg);
  border: 0;
  border-radius: 999px;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(18px, 1.4vw, 22px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 360ms var(--ease-pop), box-shadow 360ms ease, padding 320ms var(--ease);
  will-change: transform;
}

.big-cta span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--acc);
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  transition: transform 360ms var(--ease);
}

.big-cta:hover {
  padding-right: 50px;
  transform: translateY(-2px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

.big-cta:hover span { transform: translateX(6px); }

/* ---- manifesto ---- */
.manifesto h2 {
  margin: 0 0 clamp(50px, 7vw, 90px);
  max-width: 14ch;
  font-size: clamp(80px, 13vw, 240px);
}

.manifesto h2 span { display: block; }
.manifesto h2 span:nth-child(2) { padding-left: 1.4em; color: var(--gold-2); }
.manifesto h2 span:nth-child(2) em { color: var(--gold-2); }
.manifesto h2 span:nth-child(3) { color: var(--cream); }

.manifesto-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(40px, 6vw, 96px);
  margin-bottom: clamp(80px, 10vw, 140px);
  align-items: start;
}

.manifesto-body .lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(28px, 2.6vw, 40px);
  line-height: 1.2;
  color: var(--cream);
  margin: 0;
}

.manifesto-body p:not(.lede) {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(17px, 1.2vw, 19px);
  line-height: 1.65;
  color: rgba(240, 230, 207, 0.78);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2vw, 32px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.pillars li {
  padding: clamp(28px, 3vw, 40px);
  background: rgba(240, 230, 207, 0.08);
  border-radius: 28px;
  display: grid;
  gap: 14px;
  align-content: start;
  transition: transform 480ms var(--ease-pop), background 320ms ease;
  will-change: transform;
}

.pillars li:hover { transform: translateY(-6px) rotate(-0.6deg); background: rgba(240, 230, 207, 0.12); }

.pillars li:nth-child(1) { transform: rotate(-1.2deg); background: var(--crimson); color: var(--cream); }
.pillars li:nth-child(2) { transform: rotate(0.8deg); background: var(--gold); color: #0a0810; }
.pillars li:nth-child(3) { transform: rotate(-0.4deg); background: var(--cobalt); color: var(--cream); }

.pillars li:nth-child(1):hover { transform: translateY(-6px) rotate(-2deg); }
.pillars li:nth-child(2):hover { transform: translateY(-6px) rotate(1.6deg); }
.pillars li:nth-child(3):hover { transform: translateY(-6px) rotate(-1.4deg); }

.pillar-no {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  font-weight: 400;
  opacity: 0.75;
}

.pillars h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(36px, 3.4vw, 56px);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 0.92;
}

.pillars p {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.55;
  opacity: 0.86;
}

@media (max-width: 880px) {
  .manifesto-body { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; gap: 22px; }
  .pillars li {
    padding: 28px 26px;
    border-radius: 22px;
  }
}

/* ---- collection (index) — light cream bg with crimson accents ---- */
.collection h2 {
  margin: 0 0 clamp(60px, 8vw, 110px);
  max-width: 16ch;
  font-size: clamp(80px, 12vw, 220px);
  color: #1a1612;
}

.collection h2 em { color: var(--crimson); -webkit-text-fill-color: var(--crimson); }

.collection .chapter,
.collection .page-mark { color: rgba(26, 22, 18, 0.7); }

.collection .page-mark span:last-child { color: rgba(26, 22, 18, 0.45); }

.index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-dark);
}

.idx {
  display: grid;
  grid-template-columns: 80px minmax(0, 2fr) minmax(0, 2fr) minmax(0, 1.4fr);
  gap: clamp(20px, 4vw, 48px);
  align-items: baseline;
  padding: clamp(28px, 4vw, 44px) 0;
  border-bottom: 1px solid var(--rule-dark);
  transition: background 320ms ease, padding-left 360ms var(--ease);
  position: relative;
  color: #1a1612;
}

.idx:hover {
  background: rgba(178, 29, 44, 0.08);
}

.idx:hover h3 { color: var(--crimson); }
.idx:hover .idx-no { color: var(--crimson); }

.idx::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(90deg, var(--gold-2), transparent);
  opacity: 0;
  transition: opacity 360ms ease, width 360ms var(--ease);
  pointer-events: none;
}

.idx:hover { padding-left: 14px; }
.idx:hover::after { opacity: 0.06; width: 100%; }

.idx-no {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(26, 22, 18, 0.5);
  transition: color 240ms ease;
}

.idx h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(40px, 4.4vw, 64px);
  line-height: 0.92;
  letter-spacing: -0.018em;
  text-transform: uppercase;
  transition: color 240ms ease, transform 480ms var(--ease);
}

.idx-line {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(26, 22, 18, 0.6);
}

.idx-grade {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 2vw, 32px);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #1a1612;
  text-align: right;
  padding: 6px 14px;
  border: 1.5px solid #1a1612;
  border-radius: 999px;
  justify-self: end;
}

@media (max-width: 880px) {
  .idx {
    grid-template-columns: 60px 1fr;
    grid-template-rows: auto auto auto;
    gap: 6px 16px;
    padding: 22px 0;
  }
  .idx-no { grid-row: 1 / span 3; align-self: start; }
  .idx h3 { font-size: 28px; }
  .idx-line, .idx-grade { text-align: left; }
}

/* ---- 4T collection ---- */
.four-t-head {
  display: grid;
  gap: 22px;
  margin: 0 0 clamp(60px, 8vw, 110px);
  max-width: 28ch;
}

.four-t-head h2 { font-size: clamp(52px, 7vw, 116px); }

.four-t-head .lede-sm {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 1.6vw, 26px);
  color: var(--bone-soft);
}

section.section.four-t { overflow: visible; }

.variants-pin {
  position: relative;
  height: 240vh;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.variants-stick {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse at 100% 0%, rgba(29, 63, 194, 0.55) 0%, transparent 52%),
    radial-gradient(ellipse at 0% 100%, rgba(232, 168, 61, 0.18) 0%, transparent 50%),
    #0a1638;
}

.variants-track {
  position: relative;
  width: 100%;
}

.variants {
  display: flex;
  flex-wrap: nowrap;
  gap: 8vw;
  width: max-content;
  padding-left: 12vw;
  padding-right: 30vw;
  will-change: transform;
}

.variant {
  flex: 0 0 42vw;
  max-width: 640px;
}

.variant {
  display: grid;
  gap: 14px;
}

.v-no {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 4px;
}

.v-stage {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 4px;
  background: #050403;
  border: 1px solid var(--rule);
  margin-bottom: 8px;
}

.v-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1400ms var(--ease-slow);
}

.variant:hover .v-stage img { transform: scale(1.04); }

.variant h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(34px, 3.2vw, 52px);
  line-height: 1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.variant h3 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  letter-spacing: -0.005em;
  background: var(--gold-foil);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.v-line {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(18px, 1.4vw, 22px);
  color: var(--bone);
  line-height: 1.3;
}

.v-body {
  margin: 0;
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--bone-soft);
}

.v-spec {
  margin: 4px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-soft);
}

@media (max-width: 880px) {
  .variants {
    gap: 10vw;
    padding-left: 10vw;
    padding-right: 30vw;
  }
  .variant {
    flex: 0 0 78vw;
    max-width: 420px;
  }
  .four-t-head { padding: 0 24px; }
  .variants-pin { height: 200vh; }
}

/* ---- bench ---- */
.bench {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(50px, 8vw, 120px);
  align-items: center;
}

.bench-frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 6px;
  background: #000;
}

.bench-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.04) saturate(0.9) brightness(0.95);
}

.bench-cap { display: grid; gap: 22px; }

.bench-cap h2 { font-size: clamp(48px, 6vw, 96px); }

.bench-cap p:not(.kicker) {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.4;
  color: var(--bone-soft);
  max-width: 38ch;
}

@media (max-width: 880px) { .bench { grid-template-columns: 1fr; } }

/* ---- why ---- */
.why h2 {
  margin: 0 0 clamp(60px, 8vw, 110px);
  max-width: 18ch;
}

.reasons {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
}

.reasons li {
  padding: 36px 36px 36px 0;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: grid;
  gap: 12px;
  align-content: start;
}

.reasons li:nth-child(3n) { border-right: 0; padding-right: 0; }
.reasons li:nth-child(3n+1) { padding-left: 0; }
.reasons li:nth-last-child(-n+3) { border-bottom: 0; }

.r-no {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.reasons h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 2vw, 30px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reasons p {
  margin: 0;
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--bone-soft);
}

@media (max-width: 880px) {
  .reasons { grid-template-columns: 1fr; }
  .reasons li { padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--rule); }
  .reasons li:last-child { border-bottom: 0; }
}

/* ---- contact ---- */
.contact h2 {
  margin: 0 0 clamp(60px, 8vw, 110px);
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.contact-list > div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

.contact-list > div:nth-child(odd) {
  padding-right: clamp(20px, 4vw, 60px);
  border-right: 1px solid var(--rule);
}

.contact-list > div:nth-child(even) {
  padding-left: clamp(20px, 4vw, 60px);
}

.contact-list dt {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone-faint);
}

.contact-list dd {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 1.8vw, 28px);
  color: var(--bone);
}

.contact-list a {
  border-bottom: 1px solid var(--rule);
  transition: color 240ms ease, border-color 240ms ease;
}

.contact-list a:hover { color: var(--gold); border-color: var(--gold); }

@media (max-width: 880px) {
  .contact-list { grid-template-columns: 1fr; }
  .contact-list > div { padding: 20px 0; border-right: 0; }
}

/* ---- closing ---- */
.closing {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 22px;
  min-height: 90vh;
  padding: 120px clamp(28px, 8vw, 132px);
  text-align: center;
  border-top: 1px solid var(--rule);
}

.closing-vol {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone-faint);
}

.closing-glyph { width: clamp(96px, 11vw, 150px); height: auto; }
.closing-mark { width: clamp(280px, 32vw, 440px); height: auto; }

.closing-line {
  margin: 4px 0 0;
  font-family: var(--serif);
  font-size: clamp(18px, 1.4vw, 24px);
  color: var(--bone);
}

.closing-line em {
  font-style: italic;
  background: var(--gold-foil);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- foot ---- */
.foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 26px clamp(28px, 8vw, 132px);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-faint);
  border-top: 1px solid var(--rule);
}

.foot p { margin: 0; }

/* ---- reveal ---- */
.fade {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1100ms var(--ease), transform 1100ms var(--ease);
}

.fade.is-in { opacity: 1; transform: translateY(0); }

/* ---- creative interaction layer ---- */

.svg-defs { position: absolute; width: 0; height: 0; }
.liquid { filter: url(#liquid); }
.liquid-soft { filter: url(#liquid-soft); }

/* page progress (1px gold, top of page) */
.page-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 1px;
  z-index: 950;
  pointer-events: none;
}

.page-progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, var(--gold-2) 100%);
  box-shadow: 0 0 12px rgba(232, 168, 61, 0.55);
  transition: width 120ms linear;
}

/* gold ink trail behind cursor */
.ink {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 60;
  mix-blend-mode: lighten;
  opacity: 0.85;
}

/* ambient drifting Q glyphs in hero */
.ambient-q {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
}

.ambient-q img {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: calc(160px * var(--s));
  height: auto;
  opacity: 0.06;
  filter: blur(0.4px);
  animation: qDrift 22s ease-in-out infinite;
  animation-delay: calc(var(--d) * -1s);
}

@keyframes qDrift {
  0%, 100% { transform: translate(0, 0) rotate(-2deg); }
  50% { transform: translate(28px, -36px) rotate(3deg); }
}

/* film grain overlay on hero */
.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  filter: url(#grain);
  opacity: 0.22;
  mix-blend-mode: overlay;
}

/* ghost-word atmospheric type behind sections */
.ghost-word {
  position: absolute;
  pointer-events: none;
  user-select: none;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(220px, 32vw, 540px);
  line-height: 0.86;
  letter-spacing: -0.04em;
  color: rgba(232, 168, 61, 0.045);
  white-space: nowrap;
  z-index: 0;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
}

.ghost-word::before {
  content: attr(data-ghost-text);
}

.section { position: relative; overflow: hidden; }
.section > *:not(.ghost-word) { position: relative; z-index: 1; }

/* 4T variant tilt + shine */
.variant {
  perspective: 1400px;
  transform-style: preserve-3d;
}

.variant .v-stage {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 600ms var(--ease-slow), box-shadow 500ms ease;
  will-change: transform;
}

.variant:hover .v-stage {
  box-shadow: 0 40px 100px -20px rgba(232, 168, 61, 0.18);
}

.variant .v-stage img {
  will-change: transform;
}

.v-shine {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 35%,
    rgba(255, 240, 200, 0) 45%,
    rgba(255, 240, 200, 0.14) 50%,
    rgba(255, 240, 200, 0) 55%,
    transparent 65%
  );
  background-size: 250% 100%;
  background-position: 100% 0;
  opacity: 0;
  transition: opacity 360ms ease;
}

.variant:hover .v-shine {
  opacity: 1;
  animation: shineSweep 1400ms var(--ease) forwards;
}

@keyframes shineSweep {
  to { background-position: -150% 0; }
}

/* index row hover line wipe */
.idx { overflow: hidden; }

.idx::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(232, 168, 61, 0.06), transparent 70%);
  transition: width 600ms var(--ease);
  pointer-events: none;
}

.idx:hover::before { width: 100%; }

/* index reveal as scroll enters */
.idx { opacity: 0; transform: translateY(18px); transition: opacity 900ms var(--ease), transform 900ms var(--ease), padding-left 360ms var(--ease); }
.idx.is-in { opacity: 1; transform: translateY(0); }
.idx:nth-child(1).is-in { transition-delay: 0ms; }
.idx:nth-child(2).is-in { transition-delay: 80ms; }
.idx:nth-child(3).is-in { transition-delay: 160ms; }
.idx:nth-child(4).is-in { transition-delay: 240ms; }
.idx:nth-child(5).is-in { transition-delay: 320ms; }
.idx:nth-child(6).is-in { transition-delay: 400ms; }

/* reasons stagger */
.reasons li.fade {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}
.reasons li.fade.is-in { opacity: 1; transform: translateY(0); }
.reasons li:nth-child(1).is-in { transition-delay: 0ms; }
.reasons li:nth-child(2).is-in { transition-delay: 80ms; }
.reasons li:nth-child(3).is-in { transition-delay: 160ms; }
.reasons li:nth-child(4).is-in { transition-delay: 240ms; }
.reasons li:nth-child(5).is-in { transition-delay: 320ms; }
.reasons li:nth-child(6).is-in { transition-delay: 400ms; }

.reasons li {
  position: relative;
  transition: background 360ms ease;
}

.reasons li:hover {
  background: linear-gradient(180deg, rgba(232, 168, 61, 0.04), transparent);
}

.r-no {
  position: relative;
  display: inline-block;
  transition: transform 480ms var(--ease), color 240ms ease;
}

.reasons li:hover .r-no {
  transform: translateX(6px);
  color: var(--gold-2);
}

/* contact row hover */
.contact-list > div {
  position: relative;
  transition: padding-left 380ms var(--ease);
}

.contact-list > div:hover {
  padding-left: 14px;
}

.contact-list > div::after {
  content: "";
  position: absolute;
  left: 0; top: 24px;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 380ms var(--ease);
}

.contact-list > div:hover::after { width: 8px; }

/* closing dust particle canvas */
.closing { position: relative; overflow: hidden; }

.closing-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.closing > *:not(.closing-particles) { position: relative; z-index: 1; }

.closing-glyph {
  transition: transform 1200ms var(--ease-slow);
}

.closing:hover .closing-glyph {
  transform: rotate(6deg) scale(1.04);
}

/* hero copy magnetism */
.cover h1 em {
  display: inline-block;
  transition: transform 600ms var(--ease);
}

/* magnetic bounce on h2 italic words */
h2 em {
  display: inline-block;
  transition: transform 800ms var(--ease);
}

h2 em:hover {
  transform: translateY(-4px) rotate(-1deg);
}

/* ---- brand mechanics: lab cards, inline-six, carbon copy, signature ---- */
.lab-cards {
  position: relative;
  isolation: isolate;
  padding: clamp(18px, 2vw, 28px);
  border: 1px solid rgba(247, 220, 146, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 230, 160, 0.06) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(180deg, rgba(54, 20, 14, 0.78), rgba(15, 9, 8, 0.82));
  box-shadow: inset 0 1px 0 rgba(255, 240, 196, 0.08), 0 40px 90px rgba(0, 0, 0, 0.24);
}

.lab-cards::before {
  content: "";
  position: absolute;
  inset: 10px;
  z-index: -1;
  border-radius: 6px;
  background:
    radial-gradient(circle at 16% 18%, rgba(232, 168, 61, 0.18), transparent 10%),
    radial-gradient(circle at 82% 74%, rgba(29, 63, 194, 0.20), transparent 13%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent 45%);
  filter: blur(10px);
}

.lab-cards li {
  --base-rotate: 0deg;
  --shine-x: 50%;
  --shine-y: 35%;
  --drop-x: 72%;
  --drop-y: 20%;
  position: relative;
  min-height: clamp(250px, 24vw, 320px);
  overflow: hidden;
  border: 1px solid rgba(255, 238, 190, 0.16);
  border-radius: 8px;
  cursor: grab;
  rotate: var(--base-rotate);
  transform: none;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
}

.lab-cards li:nth-child(1) { --base-rotate: -1.2deg; --drop-x: 78%; --drop-y: 24%; transform: none; }
.lab-cards li:nth-child(2) { --base-rotate: 0.9deg; --drop-x: 64%; --drop-y: 16%; transform: none; }
.lab-cards li:nth-child(3) { --base-rotate: -0.5deg; --drop-x: 70%; --drop-y: 28%; transform: none; }

.lab-cards li:hover,
.lab-cards li:nth-child(1):hover,
.lab-cards li:nth-child(2):hover,
.lab-cards li:nth-child(3):hover {
  transform: none;
}

.lab-cards li::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--shine-x) var(--shine-y), rgba(255, 236, 166, 0.28), transparent 16%),
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(255, 255, 255, 0.055) 29px 30px);
  mix-blend-mode: screen;
  opacity: 0.55;
  transition: opacity 260ms ease;
}

.lab-cards li::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 238, 190, 0.32), transparent);
}

.lab-cards li:hover::before,
.lab-cards li.is-wet::before { opacity: 0.85; }

.lab-cards li.is-dragging {
  cursor: grabbing;
  z-index: 5;
  box-shadow: 0 36px 110px rgba(0, 0, 0, 0.36);
}

.oil-drop {
  position: absolute;
  left: var(--drop-x);
  top: var(--drop-y);
  z-index: 0;
  width: 42px;
  height: 58px;
  opacity: 0.0;
  border-radius: 52% 48% 58% 42% / 62% 58% 42% 38%;
  background:
    radial-gradient(circle at 38% 26%, rgba(255, 246, 196, 0.92), transparent 14%),
    radial-gradient(circle at 58% 70%, rgba(128, 57, 6, 0.82), transparent 48%),
    linear-gradient(160deg, #f6c870, #b56b17 62%, #5a2305);
  filter: drop-shadow(0 20px 24px rgba(30, 8, 0, 0.28));
  transform: translateY(-18px) scale(0.72) rotate(18deg);
  transition: opacity 360ms ease, transform 900ms var(--ease-slow);
}

.lab-cards li.is-wet .oil-drop,
.lab-cards li:hover .oil-drop {
  opacity: 0.76;
  transform: translateY(26px) scale(1) rotate(3deg);
}

.engine-bay {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(36px, 6vw, 92px);
  align-items: start;
}

.inline-six {
  position: sticky;
  top: 120px;
}

.engine-block {
  position: relative;
  min-height: clamp(460px, 46vw, 620px);
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: clamp(8px, 1vw, 14px);
  align-items: center;
  padding: clamp(24px, 3vw, 42px);
  overflow: hidden;
  border: 1px solid rgba(26, 18, 8, 0.32);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.10), transparent 8%, transparent 92%, rgba(255, 255, 255, 0.10)),
    repeating-linear-gradient(90deg, transparent 0 66px, rgba(0, 0, 0, 0.08) 67px 68px),
    linear-gradient(150deg, #32120f, #130c0b 54%, #070606);
  box-shadow: inset 0 1px 0 rgba(255, 235, 176, 0.16), 0 46px 90px rgba(47, 24, 0, 0.26);
}

.engine-block::before,
.engine-block::after {
  content: "";
  position: absolute;
  left: clamp(20px, 3vw, 42px);
  right: clamp(20px, 3vw, 42px);
  height: 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(247, 220, 146, 0.08), rgba(247, 220, 146, 0.24), rgba(247, 220, 146, 0.08));
  box-shadow: inset 0 -8px 14px rgba(0, 0, 0, 0.24);
}

.engine-block::before { top: clamp(26px, 4vw, 54px); }
.engine-block::after { bottom: clamp(26px, 4vw, 54px); }

.crank {
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 24%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(247, 220, 146, 0.36), transparent);
}

.cylinder {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  height: clamp(250px, 27vw, 390px);
  border: 1px solid rgba(247, 220, 146, 0.22);
  border-radius: 6px;
  color: rgba(240, 230, 207, 0.66);
  background:
    radial-gradient(circle at 50% 18%, rgba(232, 168, 61, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    #160c0b;
  box-shadow: inset 0 0 36px rgba(0, 0, 0, 0.42);
  cursor: pointer;
  transition: transform 420ms var(--ease), color 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.cylinder i {
  position: absolute;
  top: 16%;
  width: 64%;
  height: 18%;
  border-radius: 4px;
  background: linear-gradient(180deg, #f7dc92, #935611);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.26);
  transition: transform 320ms var(--ease-pop), box-shadow 260ms ease;
}

.cylinder span {
  position: relative;
  z-index: 2;
  margin-top: auto;
  margin-bottom: 24%;
  font-family: var(--display);
  font-size: clamp(38px, 4vw, 72px);
  font-weight: 700;
  line-height: 1;
}

.cylinder:hover,
.cylinder.is-firing {
  color: #fff1bc;
  border-color: rgba(247, 220, 146, 0.72);
  box-shadow: inset 0 0 44px rgba(232, 168, 61, 0.28), 0 0 42px rgba(232, 168, 61, 0.26);
}

.cylinder.is-firing i {
  transform: translateY(175%);
  box-shadow: 0 0 40px rgba(232, 168, 61, 0.72);
}

.cylinder.is-firing::after {
  content: "";
  position: absolute;
  inset: 18% 12% auto;
  height: 38%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 238, 160, 0.58), transparent 64%);
  animation: firePulse 620ms ease-out both;
}

@keyframes firePulse {
  from { opacity: 1; transform: scale(0.78); }
  to { opacity: 0; transform: scale(1.45); }
}

.firing-order {
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-align: center;
  color: rgba(26, 18, 8, 0.72);
}

.engine-reasons {
  grid-template-columns: 1fr;
  gap: 12px;
  border-top: 0;
}

.engine-reasons li,
.engine-reasons li:nth-child(3n),
.engine-reasons li:nth-child(3n+1),
.engine-reasons li:nth-last-child(-n+3) {
  padding: clamp(20px, 2vw, 30px);
  border: 1px solid rgba(26, 18, 8, 0.18);
  border-radius: 8px;
}

.engine-reasons li {
  min-height: 138px;
  background:
    linear-gradient(90deg, rgba(90, 13, 24, 0.10), transparent 42%),
    rgba(255, 239, 196, 0.20);
  transform-origin: left center;
  transition: transform 420ms var(--ease), background 320ms ease, box-shadow 320ms ease, border-color 320ms ease;
}

.engine-reasons li.is-active {
  border-color: rgba(90, 13, 24, 0.52);
  background:
    linear-gradient(90deg, rgba(90, 13, 24, 0.22), transparent 56%),
    rgba(255, 246, 218, 0.45);
  box-shadow: 0 24px 60px rgba(66, 31, 0, 0.18);
}

.engine-reasons li.is-active .r-no {
  color: var(--crimson-deep);
  transform: translateX(6px);
}

.contact-list { margin-bottom: clamp(56px, 7vw, 96px); }

.carbon-form {
  max-width: 1080px;
  margin: 0 auto;
}

.carbon-stack {
  position: relative;
  min-height: clamp(540px, 56vw, 660px);
  perspective: 1400px;
}

.carbon-sheet {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(26, 8, 34, 0.18);
  border-radius: 6px;
  color: #211710;
  background:
    linear-gradient(90deg, rgba(26, 23, 18, 0.06) 1px, transparent 1px) 0 0 / 38px 38px,
    linear-gradient(180deg, #f3ecd9, #e5d5b4);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.28);
}

.carbon-top {
  z-index: 3;
  display: grid;
  align-content: start;
  gap: clamp(24px, 3vw, 36px);
  padding: clamp(28px, 4vw, 54px);
  transform: rotate(-0.6deg);
  transition: transform 700ms var(--ease-slow);
}

.carbon-copy {
  z-index: 2;
  display: grid;
  align-content: start;
  gap: 18px;
  padding: clamp(42px, 5vw, 74px) clamp(34px, 5vw, 68px);
  color: rgba(25, 24, 60, 0.64);
  background:
    linear-gradient(90deg, rgba(26, 23, 18, 0.05) 1px, transparent 1px) 0 0 / 38px 38px,
    #d9e0ee;
  transform: translate(18px, 24px) rotate(0.7deg);
}

.carbon-copy-last {
  z-index: 1;
  color: rgba(74, 16, 38, 0.56);
  background:
    linear-gradient(90deg, rgba(26, 23, 18, 0.045) 1px, transparent 1px) 0 0 / 38px 38px,
    #ead6dc;
  transform: translate(36px, 48px) rotate(1.5deg);
}

.form-kicker {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(42px, 6vw, 90px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 0.9;
  text-transform: uppercase;
  color: #31150c;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-grid label {
  display: grid;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(33, 23, 16, 0.72);
}

.form-grid label:first-child {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid select {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-bottom: 2px solid rgba(33, 23, 16, 0.38);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.24);
  color: #211710;
  font-family: var(--serif);
  font-size: clamp(21px, 2vw, 30px);
  font-style: italic;
  outline: 0;
}

.form-grid input:focus,
.form-grid select:focus {
  border-color: var(--crimson);
  background: rgba(255, 255, 255, 0.38);
}

.paper-submit {
  justify-self: start;
  padding: 16px 24px;
  border: 1px solid rgba(33, 23, 16, 0.36);
  border-radius: 999px;
  background: #211710;
  color: #f3ecd9;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.rubber-stamp {
  position: absolute;
  right: clamp(32px, 5vw, 70px);
  bottom: clamp(34px, 5vw, 72px);
  padding: 10px 18px;
  border: 4px solid var(--crimson);
  border-radius: 6px;
  color: var(--crimson);
  font-family: var(--display);
  font-size: clamp(30px, 4vw, 54px);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  opacity: 0;
  transform: rotate(-11deg) scale(1.8);
}

.carbon-form.is-stamped .rubber-stamp {
  animation: stampIn 520ms var(--ease-pop) both;
}

.carbon-form.is-stamped .carbon-top {
  transform: rotate(-1.2deg) translateY(-10px);
}

@keyframes stampIn {
  0% { opacity: 0; transform: rotate(-11deg) scale(1.8); }
  65% { opacity: 1; transform: rotate(-11deg) scale(0.92); }
  100% { opacity: 0.88; transform: rotate(-11deg) scale(1); }
}

.carbon-copy p {
  margin: 0;
  min-height: 42px;
  border-bottom: 1px solid currentColor;
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 30px);
  font-style: italic;
}

.bench-signature {
  width: min(680px, 86vw);
  display: grid;
  gap: 0;
  justify-items: center;
}

.bench-signature svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.sig-line,
.sig-tail {
  fill: none;
  stroke: #f6c870;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  filter: drop-shadow(0 14px 28px rgba(232, 168, 61, 0.18));
}

.sig-tail {
  stroke-width: 3;
  opacity: 0.7;
}

.bench-signature.is-drawn .sig-line {
  animation: drawSignature 1800ms var(--ease-slow) forwards;
}

.bench-signature.is-drawn .sig-tail {
  animation: drawSignature 1200ms var(--ease-slow) 720ms forwards;
}

.bench-signature p {
  margin: -12px 0 0;
  font-family: var(--serif);
  font-size: clamp(18px, 1.6vw, 26px);
  font-style: italic;
  color: var(--bone-soft);
}

@keyframes drawSignature {
  to { stroke-dashoffset: 0; }
}

@media (max-width: 980px) {
  .engine-bay { grid-template-columns: 1fr; }
  .inline-six { position: relative; top: auto; }
  .engine-block { min-height: 360px; }
  .cylinder { height: clamp(210px, 44vw, 300px); }
}

@media (max-width: 720px) {
  .lab-cards { padding: 14px; }
  .lab-cards li { min-height: 220px; }
  .engine-block {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-height: auto;
  }
  .cylinder { height: 190px; }
  .form-grid { grid-template-columns: 1fr; }
  .carbon-stack { min-height: 760px; }
  .carbon-copy { transform: translate(10px, 20px) rotate(0.7deg); }
  .carbon-copy-last { transform: translate(20px, 40px) rotate(1.2deg); }
}

@media (max-width: 880px) {
  .ghost-word { font-size: clamp(180px, 36vw, 320px); }
  .ambient-q img { width: calc(110px * var(--s)); }
}

/* ---- comprehensive mobile pass: all sections work as desktop, just sized down ---- */
@media (max-width: 768px) {
  .section { padding: clamp(96px, 16vw, 140px) 28px; }

  /* hero cover text */
  .cover h1 { font-size: clamp(54px, 14vw, 88px); }
  .cover-sub { font-size: clamp(15px, 4vw, 18px); padding: 0 12px; }
  .vol { font-size: 10px; }

  /* manifesto */
  .manifesto h2 { font-size: clamp(48px, 12vw, 80px); }
  .manifesto-body { gap: 18px; }
  .manifesto-body .lede { font-size: clamp(17px, 4.6vw, 22px); }
  .pillars h3 { font-size: clamp(28px, 7vw, 40px); }

  /* collection */
  .collection h2 { font-size: clamp(56px, 16vw, 96px); }
  .idx h3 { font-size: clamp(24px, 6.4vw, 32px); }
  .idx-grade { font-size: 16px; padding: 4px 10px; }

  /* 4T */
  .four-t-head h2 { font-size: clamp(40px, 11vw, 64px); }
  .four-t-head .lede-sm { font-size: clamp(15px, 4.2vw, 18px); }
  .variant h3 { font-size: clamp(26px, 6.6vw, 34px); }
  .v-line { font-size: clamp(15px, 4vw, 18px); }

  /* bench */
  .bench-cap h2 { font-size: clamp(48px, 12vw, 72px); }

  /* why */
  .why h2 { font-size: clamp(48px, 12vw, 72px); }
  .reasons h3 { font-size: clamp(20px, 5.4vw, 26px); }

  /* contact */
  .contact h2 { font-size: clamp(44px, 11vw, 64px); }
  .contact-list { grid-template-columns: 1fr; gap: 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .carbon-stack { min-height: 720px; }

  /* closing */
  .closing-line { font-size: clamp(22px, 6vw, 32px); padding: 0 18px; }
  .closing-glyph { width: clamp(80px, 24vw, 120px); }
  .closing-mark { height: clamp(20px, 5vw, 30px); }

  /* ghost word toned for narrow viewports */
  .ghost-word { font-size: clamp(140px, 50vw, 240px); }

  /* page-mark breadcrumbs */
  .page-mark { font-size: 10px; flex-wrap: wrap; gap: 6px; }
}

@media (max-width: 480px) {
  .section { padding: clamp(72px, 18vw, 110px) 22px; }
  .cover h1 { font-size: clamp(46px, 15vw, 64px); }
  .manifesto h2,
  .collection h2,
  .four-t-head h2,
  .bench-cap h2,
  .why h2,
  .contact h2 { font-size: clamp(36px, 13vw, 56px); }
  .variant { flex: 0 0 84vw; }
  .variants-pin { height: 180vh; }
}

/* always allow vertical scroll on touch devices even if Lenis fails */
@media (pointer: coarse) {
  body { -webkit-overflow-scrolling: touch; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
  body { cursor: auto; }
  .cursor, .ink, .closing-particles, .ambient-q, .ghost-word { display: none; }
  .liquid, .liquid-soft { filter: none; }
}