/* Bitumix v3 · black asphalt, one warm gold-to-amber light */

:root {
  /* primitives */
  --black-950: #080706;
  --black-900: #100E0C;
  --black-850: #171513;
  --black-800: #211E1B;
  --black-700: #2E2A26;
  --white: #F4F1EB;
  --grey-400: #C2BDB3;
  --grey-500: #8C877F;
  --gold-400: #FADA02;
  --gold-500: #F6CB01;
  --amber-600: #CB9600;
  --amber-700: #A87B00;
  --amber-800: #6E300F;
  --amber-900: #4A220A;
  --amber-950: #2A1307;
  --sand-200: #CFC8BC;
  --ink-gold: #1A1005;
  --ink-gold-soft: #3D2810;
  --red-400: #FF8A7A;
  --green-400: #4ADE80;
  --forest-900: #0A2016;
  --forest-700: #14432C;
  --green-600: #22A85A;
  --brick-300: #F07A4A;
  --brick-500: #D9481F;
  --brick-700: #A8300F;
  --brick-900: #5E1A07;

  /* semantic */
  --bg: var(--black-950);
  --surface: var(--black-850);
  --line: var(--black-700);
  --text: var(--white);
  --text-soft: var(--grey-400);
  --on-gold: var(--ink-gold);
  --on-gold-soft: var(--ink-gold-soft);
  --accent: var(--gold-500);
  --warm: linear-gradient(100deg, var(--gold-500) 0%, var(--amber-600) 52%, var(--amber-700) 100%);
  --error: var(--red-400);

  --font: 'Host Grotesk', system-ui, sans-serif;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-io: cubic-bezier(0.77, 0, 0.175, 1);
  --gutter: clamp(20px, 3.4vw, 56px);
  --maxw: 1440px;
  --radius: clamp(18px, 1.8vw, 28px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  -webkit-tap-highlight-color: transparent;
  margin: 0; background: var(--bg); color: var(--text);
  font: 620 18px/1.55 var(--font);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: clip;
  caret-color: var(--accent); accent-color: var(--accent);
}
::selection { background: var(--accent); color: var(--on-gold); }
html { scrollbar-color: var(--black-700) var(--bg); scrollbar-width: thin; }
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 4px; text-decoration-thickness: 1px; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: max(var(--gutter), env(safe-area-inset-left)) max(var(--gutter), env(safe-area-inset-right)); }
.ic { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.skip { position: fixed; left: 16px; top: -80px; z-index: 200; background: var(--text); color: var(--bg); padding: 12px 18px; border-radius: 999px; }
.skip:focus { top: 16px; }

.h2 { font-weight: 680; font-size: clamp(40px, 5.5vw, 80px); line-height: 1.02; letter-spacing: -0.035em; text-wrap: balance; }
.soft { color: var(--text-soft); }
.lead { font-size: clamp(18px, 1.4vw, 21px); line-height: 1.55; color: var(--text-soft); max-width: 46ch; }

/* split-line reveal */
.js [data-split] .sl { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.js [data-split] .sl > span { display: block; }

/* ---------- intro ---------- */
.intro { position: fixed; inset: 0; z-index: 150; background: var(--bg); display: grid; place-items: center; pointer-events: none; }
.intro__glow { position: absolute; inset: -10%; background: linear-gradient(160deg, var(--gold-500) 0%, var(--amber-600) 30%, var(--amber-900) 62%, var(--bg) 92%); filter: blur(40px); }
.intro__mark { position: relative; font-size: clamp(28px, 4vw, 48px); letter-spacing: .02em; font-weight: 300; }
.intro__mark b, .hd__mark b { font-weight: 600; }
html:not(.js) .intro { display: none; }

/* ---------- header ---------- */
.hd { position: fixed; inset: 0 0 auto; z-index: 100; display: flex; align-items: center; gap: 32px; padding: max(20px, env(safe-area-inset-top)) max(var(--gutter), env(safe-area-inset-right)) 20px max(var(--gutter), env(safe-area-inset-left)); transition: transform 500ms var(--ease), background-color 400ms var(--ease); }
.hd.is-hidden { transform: translateY(-110%); }
.hd.is-solid { background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.hd__mark { padding-block: 8px; font-size: 24px; letter-spacing: .02em; font-weight: 400; text-decoration: none; margin-right: auto; }
.hd__nav { display: flex; gap: 28px; }
.hd__nav a { font-size: 15px; text-decoration: none; color: var(--text-soft); transition: color 200ms ease; }
.hd__nav a:hover { color: var(--text); }

.pill { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 24px; border: 0; border-radius: 999px; background: var(--text); color: var(--bg); font-size: 15px; font-weight: 650; text-decoration: none; white-space: nowrap; transition: background-color 240ms var(--ease), transform 160ms var(--ease); }
.pill:active { transform: scale(0.97); }
.pill__short { display: none; }
@media (max-width: 380px) { .pill__long { display: none; } .pill__short { display: inline; } }
.pill__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber-600); }
@media (hover: hover) and (pointer: fine) { .pill:hover { background: var(--gold-400); } }
.pill--dark .ic { transition: transform 240ms var(--ease); }
@media (hover: hover) and (pointer: fine) { .pill--dark:hover .ic { transform: translate(2px, -2px); } }
@media (max-width: 900px) { .hd__nav { display: none; } .hd { padding-block: 14px; } .pill { min-height: 44px; padding: 0 18px; font-size: 14px; } }

/* ---------- hero + mosaic ---------- */
.hero { position: relative; height: 300vh; height: 300svh; }
.hero__stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.mosaic {
  --tw: 42vw; --th: 46vh; --gap: 2.2vw;
  position: absolute; left: 50%; top: 50%;
  width: calc(100vw + 2 * (var(--tw) + var(--gap)));
  height: calc(100svh + 2 * (var(--th) + var(--gap)));
  margin-left: calc(-50vw - var(--tw) - var(--gap));
  margin-top: calc(-50svh - var(--th) - var(--gap));
  display: grid; gap: var(--gap);
  grid-template-columns: var(--tw) 100vw var(--tw);
  grid-template-rows: var(--th) 100svh var(--th);
  transform-origin: 50% 50%;
  will-change: transform;
}
.tile { margin: 0; overflow: hidden; border-radius: calc(var(--radius) * 1.3); background: var(--surface); }
.tile img { width: 100%; height: 100%; object-fit: cover; }
.hero__card { position: relative; overflow: hidden; background: var(--bg); }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; }
.hero__grade { position: absolute; inset: 0; background:
  linear-gradient(180deg, color-mix(in srgb, var(--bg) 45%, transparent) 0%, transparent 20%),
  linear-gradient(90deg, color-mix(in srgb, var(--bg) 70%, transparent) 0%, transparent 55%),
  linear-gradient(270deg, color-mix(in srgb, var(--bg) 60%, transparent) 0%, transparent 30%),
  linear-gradient(0deg, color-mix(in srgb, var(--bg) 75%, transparent) 0%, transparent 40%); }
.hero__copy { position: absolute; inset: 0; padding: 0 var(--gutter) clamp(40px, 9vh, 96px); display: grid; grid-template-columns: 1fr auto; align-items: end; }
.hero__title { font-weight: 680; font-size: clamp(54px, 8.4vw, 124px); line-height: .96; letter-spacing: -0.04em; }
.hero__title .ln { display: block; overflow: hidden; padding-bottom: .06em; margin-bottom: -.06em; }
.hero__title .ln > span { display: block; }
@media (max-width: 760px) {
  .mosaic { --tw: 64vw; --th: 34vh; --gap: 4vw; }
  .hero__img { object-position: 45% 60%; }
  .hero__copy { padding-bottom: 120px; }
  .hero__copy { display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start; gap: 6px; }
  .hero__title { margin-bottom: 18px; }
}

/* ---------- areas (gold) ---------- */
.areas { position: relative; z-index: 2; margin-top: -100vh; margin-top: -100svh; background: var(--warm); color: var(--on-gold); border-radius: 50% 50% 0 0 / clamp(60px, 12vw, 220px) clamp(60px, 12vw, 220px) 0 0; }
.areas__inner { padding-top: clamp(80px, 9vw, 150px); }
.areas__title { text-align: center; padding-inline: var(--gutter); }
.areas__pin { display: grid; grid-template-columns: minmax(240px, 1fr) 2.4fr; gap: clamp(32px, 5vw, 80px); align-items: center; height: 100vh; height: 100svh; padding: clamp(110px, 16vh, 160px) var(--gutter) clamp(32px, 6vh, 64px); max-width: var(--maxw); margin-inline: auto; }
.areas__list { position: relative; display: grid; gap: 30px; padding-left: 28px; }
.areas__list::before { content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 1px; background: color-mix(in srgb, var(--on-gold) 30%, transparent); }
.areas__list li { position: relative; display: grid; gap: 2px; color: var(--on-gold-soft); transition: color 300ms ease; }
.areas__list li::before { content: ""; position: absolute; left: -28px; top: 7px; width: 9px; height: 9px; border-radius: 50%; border: 1px solid var(--on-gold); background: var(--gold-500); transition: background-color 300ms ease, transform 300ms var(--ease); }
.areas__list li.is-on { color: var(--on-gold); }
.areas__list li.is-on::before { background: var(--on-gold); transform: scale(1.2); }
.areas__list span { font-size: 21px; font-weight: 600; }
.areas__list small { font-size: 15px; font-weight: 620; }
.stack { position: relative; height: 100%; min-height: 380px; }
.card { position: absolute; inset: 0; overflow: hidden; border-radius: var(--radius); background: var(--black-900); box-shadow: 0 -18px 40px -24px color-mix(in srgb, var(--amber-900) 70%, transparent); }
.card img { width: 100%; height: 100%; object-fit: cover; }
.card__txt { position: absolute; left: 0; right: 0; bottom: 0; padding: 32px clamp(20px, 2.4vw, 36px); color: var(--text); background: linear-gradient(transparent, color-mix(in srgb, var(--bg) 70%, transparent) 35%, color-mix(in srgb, var(--bg) 92%, transparent)); display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }
.card h3 { font-weight: 680; font-size: clamp(26px, 2.6vw, 40px); letter-spacing: -0.02em; line-height: 1.05; }
.card p { font-size: 16px; font-weight: 620; color: var(--text); max-width: 40ch; text-shadow: 0 1px 12px color-mix(in srgb, var(--bg) 80%, transparent); }
.areas__fade { height: 36vh; background: linear-gradient(180deg, transparent, var(--bg)); }
@media (max-width: 900px), (max-height: 600px) {
  .areas { border-radius: 50% 50% 0 0 / 60px 60px 0 0; }
  .areas__pin { display: block; height: auto; padding: 48px var(--gutter) 24px; }
  .areas__list { display: none; }
  .stack { display: grid; gap: 16px; min-height: 0; }
  .card { position: relative; inset: auto; aspect-ratio: 4 / 4.4; }
}

/* ---------- why ---------- */
.why { padding: clamp(40px, 6vw, 80px) 0 clamp(110px, 13vw, 200px); }
.why__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 4vw, 64px); margin-top: clamp(56px, 7vw, 104px); }
.why__col { border-bottom: 1px solid var(--line); padding-bottom: 40px; display: grid; gap: 14px; align-content: start; }
.why__col h3 { font-weight: 680; font-size: clamp(24px, 2vw, 30px); letter-spacing: -0.02em; line-height: 1.15; }
.why__col p { color: var(--text-soft); font-size: 17px; max-width: 38ch; }
@media (max-width: 900px) { .why__cols { grid-template-columns: 1fr; } }

/* ---------- speak + compare ---------- */
.speak { padding-bottom: clamp(110px, 13vw, 200px); }
.speak__grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(40px, 6vw, 112px); align-items: end; }
.speak .lead { margin-top: 36px; }
.film { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 4.6; background: var(--surface); }
.film video { width: 100%; height: 100%; object-fit: cover; }
.film figcaption { position: absolute; left: 24px; bottom: 20px; font-size: 15px; color: var(--text); }
.cmp { margin-top: clamp(96px, 11vw, 168px); }
.cmp__bar { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; }
.cmp__hint { color: var(--text-soft); font-size: 17px; }
.cmp__tabs { display: flex; gap: 28px; flex-wrap: wrap; }
.cmp__tabs button { background: none; border: 0; padding: 8px 0; min-height: 44px; font-size: 16px; color: var(--text-soft); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 8px; text-decoration-thickness: 1px; transition: color 200ms ease, text-decoration-color 200ms ease; }
.cmp__tabs button[aria-selected="true"] { color: var(--text); text-decoration-color: var(--accent); }
.cmp__tabs button:hover { color: var(--text); }
.cmp__frame { position: relative; aspect-ratio: 1920 / 1100; border-radius: var(--radius); overflow: hidden; background: var(--surface); user-select: none; touch-action: pan-y; }
.cmp__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 500ms var(--ease), filter 500ms var(--ease); }
.cmp__img--before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.cmp__frame.is-loading .cmp__img { opacity: .4; filter: blur(6px); }
.cmp__label { position: absolute; top: 22px; font-size: 14px; padding: 6px 14px; border-radius: 999px; background: color-mix(in srgb, var(--bg) 60%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); pointer-events: none; }
.cmp__label--l { left: 22px; } .cmp__label--r { right: 22px; }
.cmp__line { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 1px; background: var(--text); pointer-events: none; }
.cmp__knob { position: absolute; top: 50%; left: 0; transform: translate(-50%, -50%); width: 56px; height: 56px; border-radius: 50%; background: var(--text); color: var(--bg); display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 30px -10px color-mix(in srgb, var(--bg) 80%, transparent); transition: transform 200ms var(--ease); }
.cmp__frame.is-drag .cmp__knob { transform: translate(-50%, -50%) scale(1.08); }
.cmp__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; margin: 0; cursor: ew-resize; }
.cmp__frame:has(.cmp__range:focus-visible) { outline: 2px solid var(--accent); outline-offset: 4px; }
.cmp__keys { display: flex; gap: 10px; margin-top: 18px; }
.round { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); background: transparent; display: grid; place-items: center; transition: border-color 200ms ease, background-color 200ms ease, transform 160ms var(--ease); }
.round:active { transform: scale(0.95); }
@media (hover: hover) and (pointer: fine) { .round:hover { border-color: var(--grey-500); background: var(--surface); } }
@media (max-width: 900px) { .speak__grid { grid-template-columns: 1fr; } .film { aspect-ratio: 4 / 3.6; } .cmp__frame { aspect-ratio: 4 / 4.4; } }

/* ---------- steps (horizontal) ---------- */
.steps { position: relative; }
.steps__pin { height: 100vh; height: 100svh; display: flex; flex-direction: column; justify-content: center; gap: clamp(40px, 6vh, 72px); overflow: hidden; }
.steps__track { display: flex; gap: 20px; padding-inline: var(--gutter); width: max-content; will-change: transform; }
.step { position: relative; width: clamp(290px, 27vw, 400px); aspect-ratio: 1 / 1.1; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); padding: clamp(22px, 2vw, 30px); display: flex; flex-direction: column; justify-content: flex-end; gap: 18px; isolation: isolate; transition: color 350ms var(--ease), border-color 350ms var(--ease); }
.step::before { content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: inherit; background: var(--warm); opacity: 0; transition: opacity 350ms var(--ease); }
.step.is-gold { color: var(--on-gold); border-color: transparent; }
.step.is-gold::before { opacity: 1; }
.step__go { position: absolute; top: 22px; right: 22px; width: 38px; height: 38px; border-radius: 50%; border: 1px solid currentColor; display: grid; place-items: center; opacity: .8; transition: background-color 350ms var(--ease), color 350ms var(--ease), border-color 350ms var(--ease), opacity 350ms var(--ease); }
.step.is-gold .step__go { background: var(--on-gold); color: var(--gold-400); border-color: var(--on-gold); opacity: 1; }
.step h3 { font-weight: 680; font-size: clamp(28px, 2.4vw, 36px); letter-spacing: -0.02em; line-height: 1.05; }
.step ul { display: grid; gap: 6px; font-size: 16px; }
.step li { display: flex; gap: 10px; align-items: baseline; }
.step li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: currentColor; flex: none; transform: translateY(-3px); }
.step li { transition: color 350ms var(--ease); }
.step:not(.is-gold) li { color: var(--text-soft); }
@media (max-width: 900px), (max-height: 600px) {
  .steps__pin { height: auto; padding: 24px 0 clamp(80px, 12vw, 120px); }
  .steps__track { width: auto; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-bottom: 8px; }
  .steps__track::-webkit-scrollbar { display: none; }
  .step { flex: none; width: min(78vw, 360px); aspect-ratio: auto; min-height: 300px; scroll-snap-align: start; }
}

/* ---------- craft (hands at work) ---------- */
.craft { padding: clamp(40px, 6vw, 96px) 0 0; }
.craft__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 112px); align-items: center; }
.craft__fig { margin: 0; }
.craft__frame { overflow: hidden; border-radius: var(--radius); aspect-ratio: 4 / 4.4; background: var(--surface); }
.craft__frame img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; transform-origin: 50% 60%; }
.craft .lead { margin-top: 32px; }
.craft__points { margin-top: clamp(36px, 4vw, 56px); border-top: 1px solid var(--line); }
.craft__points > div { display: grid; grid-template-columns: minmax(150px, 0.8fr) 1.4fr; gap: 8px 32px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.craft__points dt { font-size: 19px; letter-spacing: -0.01em; }
.craft__points dd { color: var(--text-soft); font-size: 16px; }
@media (max-width: 900px) {
  .craft__grid { grid-template-columns: 1fr; }
  .craft__frame { aspect-ratio: 4 / 4.2; }
  .craft__points > div { grid-template-columns: 1fr; }
}

/* ---------- data sheet rows ---------- */
.sheet { padding: clamp(110px, 13vw, 200px) 0; }
.sheet__grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: clamp(40px, 6vw, 112px); align-items: start; }
.sheet__side { position: sticky; top: 120px; }
.sheet__bucket { width: min(86%, 440px); margin-top: 40px; border-radius: var(--radius); box-shadow: 0 40px 60px -30px color-mix(in srgb, var(--amber-900) 60%, transparent); }
.rows { border-top: 1px solid var(--line); }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; padding: clamp(24px, 3vw, 40px) 0; border-bottom: 1px solid var(--line); }
.row dt { font-weight: 680; font-size: clamp(30px, 3.6vw, 54px); letter-spacing: -0.03em; line-height: 1.05; font-variant-numeric: tabular-nums; }
.row dd { color: var(--text-soft); font-size: 16px; text-align: right; max-width: 22ch; }
@media (max-width: 900px) { .sheet__grid { grid-template-columns: 1fr; } .sheet__side { position: static; } .sheet__bucket { width: min(80%, 360px); } .row { flex-direction: column; gap: 6px; } .row dd { text-align: left; } }

/* ---------- cost ---------- */
.cost { padding: 0 0 clamp(110px, 13vw, 200px); }
.cost__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 112px); align-items: start; }
.cost__fine { color: var(--text-soft); font-size: 15px; max-width: 48ch; margin-top: 32px; }
.cost__tool { border-top: 1px solid var(--line); padding-top: 28px; }
.cost__in { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.cost__in label { color: var(--text-soft); font-size: 16px; }
.cost__num { display: flex; align-items: baseline; gap: 8px; }
.cost__num input { width: 4.6ch; background: transparent; border: 0; border-bottom: 1px solid var(--line); text-align: right; font-size: clamp(40px, 4vw, 60px); letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; padding: 0; -moz-appearance: textfield; }
.cost__num input::-webkit-outer-spin-button, .cost__num input::-webkit-inner-spin-button { -webkit-appearance: none; }
.cost__num input:focus-visible { outline: none; border-color: var(--accent); }
.cost__num span { font-size: 22px; color: var(--text-soft); }
#areaRange { width: 100%; margin: 22px 0 2px; height: 44px; cursor: pointer; }
.cost__out > div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.cost__out dt { color: var(--text-soft); font-size: 16px; }
.cost__out dd { font-weight: 680; font-size: clamp(26px, 2.6vw, 38px); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; text-align: right; }
@media (max-width: 900px) { .cost__grid { grid-template-columns: 1fr; } }

/* ---------- faq ---------- */
.faq { padding: 0 0 clamp(110px, 13vw, 200px); }
.acc { margin-top: clamp(48px, 6vw, 88px); border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__item summary { font-weight: 680; list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: clamp(22px, 2.4vw, 32px) 0; font-size: clamp(20px, 2vw, 28px); letter-spacing: -0.015em; line-height: 1.25; transition: color 200ms ease; }
.acc__item summary::-webkit-details-marker { display: none; }
.acc__item summary:hover { color: var(--gold-400); }
.acc__ic { flex: none; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: transform 300ms var(--ease), background-color 300ms ease, color 300ms ease; }
.acc__item[open] .acc__ic { transform: rotate(45deg); background: var(--text); color: var(--bg); border-color: var(--text); }
.acc__body { overflow: hidden; }
.acc__body p { color: var(--text-soft); max-width: 68ch; padding: 0 64px 32px 0; }
@media (max-width: 700px) { .acc__body p { padding-right: 0; } }

/* ---------- contact ---------- */
.contact { position: relative; overflow: hidden; padding-top: clamp(110px, 13vw, 200px); background: linear-gradient(180deg, var(--bg) 0%, var(--bg) 38%, var(--forest-900) 74%, var(--forest-700) 100%); --text-soft: var(--sand-200); }
.contact__grid { position: relative; display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(48px, 6vw, 112px); align-items: start; }
.contact__title { font-weight: 680; font-size: clamp(52px, 7.6vw, 112px); line-height: .98; letter-spacing: -0.04em; }
.contact__note { margin-top: 28px; color: var(--text-soft); font-size: 16px; }
.reach { margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid color-mix(in srgb, var(--text) 18%, transparent); }
.reach > div { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; padding: 22px 0; border-bottom: 1px solid color-mix(in srgb, var(--text) 18%, transparent); }
.reach dt { font-size: 14px; color: var(--text-soft); text-transform: uppercase; letter-spacing: .08em; }
.reach a { display: inline-block; padding-block: 8px; font-size: clamp(20px, 2vw, 28px); letter-spacing: -0.015em; text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size 400ms var(--ease); }
.reach a:hover { background-size: 100% 1px; }
.ask { display: grid; gap: 26px; padding: clamp(24px, 3vw, 40px); border-radius: var(--radius); background: color-mix(in srgb, var(--bg) 72%, transparent); border: 1px solid color-mix(in srgb, var(--text) 12%, transparent); box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 8%, transparent); }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; color: var(--text-soft); }
.field .opt { color: var(--text-soft); }
.field input, .field select, .field textarea { width: 100%; background: transparent; border: 0; border-bottom: 1px solid color-mix(in srgb, var(--text) 25%, transparent); border-radius: 0; padding: 10px 0 12px; font-size: 18px; transition: border-color 200ms ease; }
.field select { appearance: none; -webkit-appearance: none; background: linear-gradient(45deg, transparent 50%, currentColor 50%) calc(100% - 12px) 55% / 6px 6px no-repeat, linear-gradient(-45deg, transparent 50%, currentColor 50%) calc(100% - 6px) 55% / 6px 6px no-repeat; padding-right: 28px; cursor: pointer; }
.field select option { background: var(--black-900); color: var(--text); }
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: none; border-color: var(--accent); }
.field input[aria-invalid="true"] { border-color: var(--error); }
.field__err { color: var(--error); font-size: 14px; }
.field__err:empty { display: none; }
.field__help { color: var(--text-soft); font-size: 14px; }
.ask .pill { justify-self: start; min-height: 54px; padding: 0 28px; }
.ask__hint { font-size: 14px; color: var(--text-soft); }
.ft { position: relative; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: clamp(96px, 12vw, 180px); padding-bottom: max(32px, env(safe-area-inset-bottom)); font-size: 14px; color: var(--text); }
.ft a { display: inline-block; padding: 12px 0; margin-left: 24px; text-decoration: none; }
.ft a:hover { text-decoration: underline; }
@media (max-width: 900px) { .contact__grid { grid-template-columns: 1fr; } .ft a { margin: 0 20px 0 0; } }

/* ---------- motion defaults ---------- */
.js.motion [data-rise] { opacity: 0; transform: translateY(28px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .intro { display: none; }
  .hero { height: auto; }
  .hero__stage { position: relative; }
  .areas { margin-top: 0; }
}

/* ---------- clarity pass: hero lead, CTA, benefit underlines ---------- */
.hero__intro { grid-column: 1 / -1; display: grid; gap: 22px; margin-top: clamp(18px, 2.4vh, 28px); max-width: 640px; }
.hero__lead { font-size: clamp(18px, 1.5vw, 22px); line-height: 1.45; font-weight: 620; color: var(--text); text-shadow: 0 1px 18px color-mix(in srgb, var(--bg) 70%, transparent); }
.hero__cta { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.hero__cta .pill { min-height: 54px; padding: 0 26px; font-size: 16px; background: var(--gold-400); color: var(--on-gold); }
@media (hover: hover) and (pointer: fine) { .hero__cta .pill:hover { background: var(--text); } }
.hero__tel { font-size: 17px; font-weight: 680; text-decoration: none; padding-block: 12px; }
.hero__tel span { color: var(--text-soft); font-weight: 620; }
.mark { text-decoration: underline; text-decoration-color: var(--gold-400); text-decoration-thickness: 0.12em; text-underline-offset: 0.2em; text-decoration-skip-ink: none; transition: text-decoration-color 700ms var(--ease); }
.js.motion .mark { text-decoration-color: transparent; }
.js.motion .mark.is-drawn { text-decoration-color: var(--gold-400); }
.cost__mine dd { color: var(--gold-400); font-size: clamp(34px, 3.8vw, 56px); }
.cost__fine strong, .why__col strong, .lead strong { color: var(--text); font-weight: 600; }
@media (max-width: 760px) {
  .hero__intro { gap: 16px; margin-top: 4px; }
  .hero__lead { font-size: 17px; }
  .hero__cta { gap: 14px; }
  .hero__cta .pill { width: 100%; justify-content: center; }
}
@media (max-height: 600px) and (min-width: 600px) {
  .hero__title { font-size: clamp(34px, 8.4vh, 60px); }
  .hero__title .ln { display: inline-block; margin-right: .22em; }
  .hero__lead { font-size: 16px; }
  .hero__intro { gap: 12px; margin-top: 10px; }
  .hero__copy { padding-bottom: 24px; }
}
@media (max-width: 599px) and (max-height: 720px) {
  .hero__copy { padding-bottom: 28px; }
  .hero__title { font-size: clamp(38px, 11.5vw, 48px); margin-bottom: 10px; }
  .hero__lead { font-size: 15.5px; line-height: 1.42; }
  .hero__intro { gap: 12px; }
  .hero__cta .pill { min-height: 48px; }
  .hero__tel { padding-block: 8px; }
}

/* readability pass: secondary texts share the body weight */
.why__col p, .step li, .craft__points dd, .row dd, .cost__out dt, .cost__fine, .acc__body p, .field label, .reach dt, .contact__note, .cmp__hint, .ft, .film figcaption, .lead { font-weight: 620; }

/* ---------- steps: large watermark symbol behind the text ---------- */
.step { overflow: hidden; }
.step__bg { position: absolute; z-index: 0; right: -14%; bottom: -12%; width: 92%; height: 92%; fill: none; stroke: var(--text); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; opacity: .07; pointer-events: none; transform: rotate(-8deg); animation: bg-drift 9s var(--ease-io) infinite alternate; transition: opacity 350ms var(--ease), stroke 350ms var(--ease); }
.step.is-gold .step__bg { stroke: var(--on-gold); opacity: .14; }
.step h3, .step ul { position: relative; z-index: 1; }
.step__go { z-index: 2; }
.step:nth-child(2) .step__bg { animation-delay: -2s; }
.step:nth-child(3) .step__bg { animation-delay: -4s; }
.step:nth-child(4) .step__bg { animation-delay: -6s; }
.step:nth-child(5) .step__bg { animation-delay: -8s; }
@keyframes bg-drift { from { transform: rotate(-10deg) translate(0, 0) scale(1); } to { transform: rotate(-3deg) translate(-4%, -3%) scale(1.06); } }
@media (prefers-reduced-motion: reduce) { .step__bg { animation: none; } }

/* ---------- steps: Apple-style glass cards, gold symbols ---------- */
.step {
  background:
    radial-gradient(120% 70% at 0% 0%, color-mix(in srgb, var(--text) 5%, transparent), transparent 60%),
    linear-gradient(160deg, color-mix(in srgb, var(--text) 3%, transparent), color-mix(in srgb, var(--text) 0.5%, transparent));
  border: 1px solid transparent;
  -webkit-backdrop-filter: blur(14px) saturate(160%); backdrop-filter: blur(14px) saturate(160%);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 22%, transparent), inset 0 -1px 0 color-mix(in srgb, var(--text) 5%, transparent), 0 30px 60px -32px color-mix(in srgb, var(--bg) 90%, transparent);
}
.step::after { content: ""; position: absolute; inset: -1px; z-index: 1; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(150deg, color-mix(in srgb, var(--text) 55%, transparent) 0%, color-mix(in srgb, var(--text) 10%, transparent) 35%, color-mix(in srgb, var(--text) 4%, transparent) 65%, color-mix(in srgb, var(--gold-400) 35%, transparent) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.step__bg { stroke: url(#g-gold); stroke-width: 1.6; opacity: .38; filter: drop-shadow(0 0 18px color-mix(in srgb, var(--gold-500) 25%, transparent)); }
.step.is-gold .step__bg { stroke: var(--on-gold); opacity: .16; filter: none; }
.step.is-gold { box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 45%, transparent), 0 30px 60px -28px color-mix(in srgb, var(--amber-600) 60%, transparent); }
.step__go { z-index: 2; }
.step:not(.is-gold) h3, .step:not(.is-gold) li { text-shadow: 0 1px 10px color-mix(in srgb, var(--bg) 85%, transparent), 0 0 2px color-mix(in srgb, var(--bg) 70%, transparent); }

/* ---------- global glass system (same recipe as the step cards) ---------- */
.glass { position: relative; border-radius: var(--radius); isolation: isolate;
  background:
    radial-gradient(120% 70% at 0% 0%, color-mix(in srgb, var(--text) 5%, transparent), transparent 60%),
    linear-gradient(160deg, color-mix(in srgb, var(--text) 3%, transparent), color-mix(in srgb, var(--text) 0.5%, transparent));
  -webkit-backdrop-filter: blur(14px) saturate(160%); backdrop-filter: blur(14px) saturate(160%);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 22%, transparent), inset 0 -1px 0 color-mix(in srgb, var(--text) 5%, transparent), 0 30px 60px -32px color-mix(in srgb, var(--bg) 90%, transparent); }
.glass::after { content: ""; position: absolute; inset: -1px; z-index: 1; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(150deg, color-mix(in srgb, var(--text) 55%, transparent) 0%, color-mix(in srgb, var(--text) 10%, transparent) 35%, color-mix(in srgb, var(--text) 4%, transparent) 65%, color-mix(in srgb, var(--gold-400) 35%, transparent) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }

/* why: glass cards with gold background symbols */
.why__col.glass { border-bottom: 0; overflow: hidden; padding: clamp(24px, 2.4vw, 34px); min-height: clamp(230px, 21vw, 290px); align-content: end; }
.why__col.glass h3, .why__col.glass p { position: relative; z-index: 2; text-shadow: 0 1px 10px color-mix(in srgb, var(--bg) 85%, transparent); }
.why__col:nth-child(2) .step__bg { animation-delay: -3s; }
.why__col:nth-child(3) .step__bg { animation-delay: -6s; }

/* lists inside glass panels */
.craft__points.glass { border-top: 0; padding: 4px clamp(20px, 2.4vw, 30px); }
.craft__points.glass > div:last-child { border-bottom: 0; }
.rows.glass { border-top: 0; padding: 0 clamp(20px, 2.4vw, 36px); }
.rows.glass .row:last-child { border-bottom: 0; }
.acc.glass { border-top: 0; padding: 4px clamp(20px, 2.4vw, 36px); }
.acc.glass .acc__item:last-child { border-bottom: 0; }
.ask.glass { border: 0; }
.craft__points > div, .row, .acc__item { position: relative; z-index: 2; }

/* areas: transparent glass instead of solid gold (glass on its own layer so the GSAP pin keeps working) */
.areas { background: none; color: var(--text); }
.areas__glass { position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background:
    radial-gradient(90% 40% at 50% 0%, color-mix(in srgb, var(--gold-400) 14%, transparent), transparent 70%),
    linear-gradient(180deg, color-mix(in srgb, var(--text) 6%, transparent), color-mix(in srgb, var(--text) 1.5%, transparent) 60%, transparent);
  -webkit-backdrop-filter: blur(26px) saturate(160%); backdrop-filter: blur(26px) saturate(160%);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 30%, transparent); }
.areas__glass::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--text) 50%, transparent), color-mix(in srgb, var(--gold-400) 25%, transparent) 30%, transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.areas { isolation: isolate; }
.areas__list::before { background: color-mix(in srgb, var(--text) 25%, transparent); }
.areas__list li { color: var(--text-soft); }
.areas__list li::before { border-color: color-mix(in srgb, var(--text) 60%, transparent); background: var(--bg); }
.areas__list li.is-on { color: var(--text); }
.areas__list li.is-on::before { background: var(--gold-400); border-color: var(--gold-400); }

/* ---------- what's inside: drum + timeline facts ---------- */
.sheet__grid { grid-template-columns: 1fr 1.1fr; align-items: center; }
.sheet__drum { margin: 0; position: relative; display: grid; place-items: center; }
.sheet__drum::before { content: ""; position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--gold-500) 22%, transparent), transparent 65%); filter: blur(30px); z-index: -1; }
.sheet__drum img { width: min(100%, 560px); -webkit-mask-image: radial-gradient(closest-side, #000 62%, transparent 100%); mask-image: radial-gradient(closest-side, #000 62%, transparent 100%); will-change: transform; }
.sheet__info .h2 { margin-bottom: clamp(36px, 4vw, 56px); }
.facts { position: relative; display: grid; gap: clamp(26px, 3vw, 40px); padding-left: 34px; }
.facts::before { content: ""; position: absolute; left: 5px; top: 10px; bottom: 10px; width: 1px; background: color-mix(in srgb, var(--text) 25%, transparent); }
.facts::after { content: ""; position: absolute; left: 5px; top: 10px; width: 1px; height: var(--fill, 0%); max-height: calc(100% - 20px); background: linear-gradient(var(--gold-400), var(--amber-600)); transition: height 900ms var(--ease); }
.facts li { position: relative; display: grid; gap: 4px; }
.facts li::before { content: ""; position: absolute; left: -34px; top: 9px; width: 11px; height: 11px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--text) 60%, transparent); background: var(--bg); transition: background-color 400ms var(--ease), border-color 400ms var(--ease), transform 400ms var(--ease), box-shadow 400ms var(--ease); }
.facts li.is-on::before { background: var(--gold-400); border-color: var(--gold-400); transform: scale(1.25); box-shadow: 0 0 0 5px color-mix(in srgb, var(--gold-400) 18%, transparent); }
.facts span { font-size: clamp(22px, 2vw, 30px); font-weight: 680; letter-spacing: -0.02em; line-height: 1.15; }
.facts small { font-size: 16px; color: var(--text-soft); max-width: 44ch; }
.facts__specs { margin-top: clamp(32px, 4vw, 48px); padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; color: var(--text-soft); }
@media (max-width: 900px) {
  .sheet__grid { grid-template-columns: 1fr; }
  .sheet__drum img { width: min(78%, 380px); }
}
@media (prefers-reduced-motion: reduce) { .facts::after { height: calc(100% - 20px); } .facts li::before { background: var(--gold-400); border-color: var(--gold-400); } }

/* ---------- pulsing dots: material facts + header CTA ---------- */
.facts li.is-on::before { animation: fact-beat 2.4s var(--ease) infinite; }
.facts li:nth-child(2).is-on::before { animation-delay: .4s; }
.facts li:nth-child(3).is-on::before { animation-delay: .8s; }
@keyframes fact-beat {
  0%, 100% { transform: scale(1.25); box-shadow: 0 0 0 0 color-mix(in srgb, var(--gold-400) 55%, transparent); }
  14% { transform: scale(1.5); }
  28% { transform: scale(1.2); }
  60% { box-shadow: 0 0 0 12px color-mix(in srgb, var(--gold-400) 0%, transparent); }
}
.pill__dot { position: relative; background: var(--green-600); box-shadow: 0 0 0 0 color-mix(in srgb, var(--green-400) 60%, transparent); animation: live-dot 2s var(--ease) infinite; }
@keyframes live-dot {
  0% { transform: scale(1); box-shadow: 0 0 0 0 color-mix(in srgb, var(--green-400) 60%, transparent); }
  20% { transform: scale(1.25); }
  40% { transform: scale(1); }
  70%, 100% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--green-400) 0%, transparent); }
}
@media (prefers-reduced-motion: reduce) { .facts li.is-on::before, .pill__dot { animation: none; } }

/* ---------- official logo ---------- */
.hd__mark { padding-block: 4px; line-height: 0; }
.hd__mark img { height: 58px; width: auto; display: block; filter: drop-shadow(0 4px 10px color-mix(in srgb, var(--bg) 70%, transparent)); }
.intro__mark { width: clamp(180px, 22vw, 300px); height: auto; }
@media (max-width: 900px) { .hd__mark img { height: 44px; } }

/* ---------- areas: bitumen pouring down from the arc ---------- */
.areas__drip { position: absolute; left: 0; right: 0; top: 0; height: min(44vw, 600px); z-index: 0; border-radius: inherit; overflow: hidden; pointer-events: none; }
.areas__drip svg { width: 100%; height: 100%; display: block; overflow: visible; }
.areas__inner { position: relative; z-index: 1; }

/* ---------- areas cards: thick 3D glass frame + floating glass caption ---------- */
.areas__pin { perspective: 1400px; }
.stack { transform-style: preserve-3d; transform: rotateY(var(--ry, -5deg)) rotateX(var(--rx, 3deg)); transition: transform 600ms var(--ease); }
.card { padding: 12px; background:
    radial-gradient(120% 80% at 0% 0%, color-mix(in srgb, var(--text) 16%, transparent), transparent 60%),
    linear-gradient(160deg, color-mix(in srgb, var(--text) 10%, transparent), color-mix(in srgb, var(--text) 3%, transparent));
  -webkit-backdrop-filter: blur(18px) saturate(170%); backdrop-filter: blur(18px) saturate(170%);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 40%, transparent), inset 0 -2px 0 color-mix(in srgb, var(--bg) 40%, transparent), 0 40px 80px -30px color-mix(in srgb, var(--bg) 95%, transparent), 0 0 0 1px color-mix(in srgb, var(--text) 10%, transparent); }
.card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px; pointer-events: none; z-index: 3;
  background: linear-gradient(140deg, color-mix(in srgb, var(--text) 75%, transparent) 0%, color-mix(in srgb, var(--text) 12%, transparent) 30%, transparent 55%, color-mix(in srgb, var(--gold-400) 45%, transparent) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.card img { position: absolute; inset: 12px; width: calc(100% - 24px); height: calc(100% - 24px); border-radius: calc(var(--radius) - 8px); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--bg) 40%, transparent); }
.card__txt { left: 26px; right: 26px; bottom: 26px; padding: 20px clamp(18px, 2vw, 28px); border-radius: calc(var(--radius) - 10px); z-index: 2;
  background: linear-gradient(160deg, color-mix(in srgb, var(--text) 14%, transparent), color-mix(in srgb, var(--bg) 35%, transparent));
  -webkit-backdrop-filter: blur(16px) saturate(160%); backdrop-filter: blur(16px) saturate(160%);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 35%, transparent), 0 18px 40px -18px color-mix(in srgb, var(--bg) 90%, transparent), 0 0 0 1px color-mix(in srgb, var(--text) 14%, transparent);
  transform: translateZ(40px); }
@media (max-width: 900px), (max-height: 600px) {
  .stack { transform: none; }
  .card { padding: 8px; }
  .card img { inset: 8px; width: calc(100% - 16px); height: calc(100% - 16px); }
  .card__txt { left: 16px; right: 16px; bottom: 16px; padding: 16px 18px; }
}
@media (prefers-reduced-motion: reduce) { .stack { transition: none; } }
.areas__pour { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 0%; transform-origin: 50% 0%;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 var(--pour, 100%), transparent calc(var(--pour, 100%) + 14%));
  mask-image: linear-gradient(180deg, #000 0%, #000 var(--pour, 100%), transparent calc(var(--pour, 100%) + 14%));
  filter: drop-shadow(0 18px 24px color-mix(in srgb, var(--bg) 70%, transparent)); will-change: transform; }
@media (max-width: 900px) { .areas__drip { height: 78vw; } }