/* ============================================================
   BUKA · home.css — homepage sections
   Layout-altering motion enhancements are keyed off JS-added
   classes (.is-dive, .story--pinned) so a failed JS load leaves
   a fully readable static document.
   ============================================================ */

/* ================= HERO ================= */
.hero { position: relative; }
.hero__stage {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(24px, 4vw, 64px);
  max-width: var(--max);
  margin-inline: auto;
  padding: clamp(84px, 12vh, 120px) var(--gutter) clamp(40px, 6vh, 72px);
}
@media (max-width: 880px) {
  .hero__stage { grid-template-columns: 1fr; padding-top: 96px; }
}

.hero__copy { position: relative; z-index: 2; }
.hero__chips { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.hero__title {
  margin-top: 22px;
  font-size: var(--step-hero);
}
.hero__sub {
  margin-top: 22px;
  max-width: 44ch;
  font-size: var(--step-body-lg);
  color: var(--text-mut);
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  margin-top: 30px;
}
.hero__meta span { display: inline-flex; align-items: center; gap: 8px; }

/* --- the phone --- */
.hero__phone {
  position: relative; z-index: 1;
  display: flex; justify-content: center;
}
.phone {
  position: relative;
  width: min(310px, 74vw);
  aspect-ratio: 9 / 18;
  border-radius: 36px;
  background: var(--ink-700);
  border: 1px solid var(--ink-500);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  padding: 10px;
  rotate: -5deg; /* CSS rotate property — GSAP owns transform */
}
.phone__screen {
  position: relative;
  height: 100%;
  border-radius: 26px;
  overflow: hidden;
  background: var(--ink-800);
}
.phone__screen > picture img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.phone__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0) 22%),
    linear-gradient(to top, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0) 38%);
}
/* TikTok-grammar chrome */
.phone__rail {
  position: absolute; right: 10px; bottom: 86px;
  display: flex; flex-direction: column; gap: 18px;
  color: var(--white);
}
.phone__rail span { display: grid; justify-items: center; gap: 3px; }
.phone__rail svg { width: 26px; height: 26px; stroke: var(--white); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 1px 4px rgba(0,0,0,0.5)); }
.phone__rail i { font: 500 9px/1 var(--mono); font-style: normal; letter-spacing: 0.04em; }
.phone__cap {
  position: absolute; left: 14px; right: 56px; bottom: 26px;
  color: var(--white);
}
.phone__cap b { display: block; font: 900 15px/1.2 var(--sans); letter-spacing: -0.01em; }
.phone__cap .meta { color: rgba(250,250,250,0.75); margin-top: 5px; display: block; }
.phone__bar {
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: rgba(250,250,250,0.18);
}
.phone__bar i {
  position: absolute; inset: 0 68% 0 0;
  background: var(--amber);
}
.phone__play {
  position: absolute; inset: 0; margin: auto;
  width: 64px; height: 64px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(10,10,10,0.45);
  border: 1px solid rgba(250,250,250,0.25);
}
.phone__play .tri { font-size: 22px; border-left-color: var(--white); margin-left: 4px; }

/* --- dive end-card (revealed by GSAP only) --- */
.hero__end {
  position: fixed; inset: 0; z-index: 70;
  display: none;
  place-items: center;
  background: var(--ink);
  pointer-events: none;
}
.hero__end .end-mark { display: grid; justify-items: center; gap: 22px; }
.hero__end svg { width: clamp(110px, 18vw, 220px); height: auto; }
.hero__end b { font: 900 clamp(2rem, 6vw, 4.5rem)/1 var(--sans); letter-spacing: -0.03em; color: var(--white); }
.hero__end .meta { color: var(--amber); }
.is-dive .hero__end { display: grid; }

/* dive mode: stage gets pinned by GSAP, phone centred */
.is-dive .hero { /* height set inline by JS for scroll travel */ }

/* ================= LANGUAGE TICKER ================= */
.ticker {
  overflow: clip;
  border-block: 1px solid var(--line);
  padding-block: 18px;
}
.ticker__track {
  display: flex; gap: 56px; width: max-content;
  padding-left: 56px;
}
.ticker__track span {
  display: inline-flex; align-items: center; gap: 56px;
  font: 900 clamp(1.25rem, 2.6vw, 2rem)/1 var(--sans);
  letter-spacing: -0.02em;
  color: var(--text-hi);
  white-space: nowrap;
}
.ticker__track .lang { color: var(--amber); }
.ticker__track .tri { font-size: 14px; }
@media (prefers-reduced-motion: no-preference) {
  html:not([data-tier="0"]) .ticker__track { animation: tick 36s linear infinite; }
}
.ticker.is-paused .ticker__track { animation-play-state: paused; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ================= STORY (3 ACTS) ================= */
.story .sec-head { margin-bottom: 0; }
.story__specs {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 26px;
}
.acts { margin-top: clamp(40px, 6vw, 80px); }
.act {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
  padding-block: clamp(36px, 5vw, 72px);
  border-top: 1px solid var(--line);
}
@media (max-width: 820px) { .act { grid-template-columns: 1fr; } }
.act:nth-child(even) .act__art { order: -1; }
@media (max-width: 820px) { .act:nth-child(even) .act__art { order: 0; } }
.act__num {
  font: 500 var(--step-mono)/1 var(--mono);
  letter-spacing: var(--track-mono-wide);
  color: var(--amber);
  text-transform: uppercase;
}
.act__title { font-size: var(--step-h2); margin-top: 16px; }
.act__body { margin-top: 18px; font-size: var(--step-body-lg); color: var(--text-mut); max-width: 46ch; }
.act__art { position: relative; }
.act__art img {
  width: min(380px, 100%);
  aspect-ratio: 9 / 13;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  margin-inline: auto;
}
.act__art--type {
  display: grid; place-items: center;
  min-height: 280px;
}
.act__word {
  font: 900 clamp(3rem, 9vw, 7rem)/0.95 var(--sans);
  letter-spacing: -0.04em;
  color: var(--amber);
  text-transform: lowercase;
}
.act__word small { display: block; font: 500 var(--step-mono)/1.6 var(--mono); letter-spacing: var(--track-mono); color: var(--text-mut); text-transform: uppercase; margin-top: 14px; }

/* ================= SLATE ================= */
.slate__rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2vw, 24px);
}
@media (max-width: 980px) {
  .slate__rail {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 14px;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    padding-bottom: 10px;
    scrollbar-width: none;
  }
  .slate__rail::-webkit-scrollbar { display: none; }
  .slate-card { flex: 0 0 min(72vw, 300px); scroll-snap-align: center; scroll-snap-stop: always; }
}
.slate-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  translate: 0 0;
  transition: translate 240ms var(--ease-play), border-color 240ms ease;
}
@media (hover: hover) and (pointer: fine) {
  .slate-card:hover { translate: 0 -6px; border-color: var(--line-strong); }
  .slate-card:hover .slate-card__img img { scale: 1.045; }
}
.slate-card__img { position: relative; aspect-ratio: 9 / 14; overflow: hidden; }
.slate-card__img img {
  width: 100%; height: 100%; object-fit: cover;
  scale: 1;
  transition: scale 420ms var(--ease-play);
}
.slate-card__img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.25) 34%, rgba(10,10,10,0) 60%);
}
.slate-card__num {
  position: absolute; top: 12px; left: 12px;
  font: 500 var(--step-mono-sm)/1 var(--mono);
  letter-spacing: var(--track-mono);
  color: rgba(250,250,250,0.85);
  background: rgba(10,10,10,0.5);
  padding: 6px 9px; border-radius: var(--r-pill);
}
.slate-card__body {
  position: absolute; left: 16px; right: 16px; bottom: 14px;
}
.slate-card__body h3 {
  font: 900 clamp(1.25rem, 1.8vw, 1.6rem)/0.95 var(--sans);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--amber-glow);
}
.slate-card__meta { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 9px; }
.slate-card__meta .meta { color: rgba(250,250,250,0.8); }
.slate-card__note { margin-top: 6px; font-size: 0.875rem; color: var(--text-mut); }
.slate__counter { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }

/* ================= CHANNELS ================= */
.channels__grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 980px) { .channels__grid { grid-template-columns: repeat(2, 1fr); } }
.channel {
  display: flex; flex-direction: column; gap: 8px;
  padding: 22px;
  border-radius: var(--r-lg);
  background: var(--bg-card);
  border: 1px solid var(--line);
  translate: 0 0;
  transition: translate 200ms var(--ease-play), border-color 200ms ease;
  min-height: var(--tap);
}
@media (hover: hover) and (pointer: fine) {
  .channel:hover { translate: 0 -4px; border-color: var(--line-strong); }
}
.channel b { font: 900 1.2rem/1.1 var(--sans); letter-spacing: -0.01em; color: var(--text-hi); }
.channel--wa {
  grid-column: 1 / -1;
  flex-direction: row; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  background: var(--amber-08);
  border-color: var(--amber-press);
}
.channel--wa b { font-size: clamp(1.4rem, 2.6vw, 2rem); }
.channel--wa p { color: var(--text-mut); max-width: 44ch; }

/* ================= FOUNDERS ================= */
.founders { text-align: center; }
.founders .sec-head { margin-inline: auto; }
.founders .lede { margin-inline: auto; }
.countdown {
  display: flex; justify-content: center; gap: clamp(14px, 4vw, 40px);
  margin-top: clamp(28px, 4vw, 48px);
}
.countdown div { display: grid; gap: 8px; }
.countdown b {
  font: 700 clamp(2.2rem, 7vw, 4.5rem)/1 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--text-hi);
}
.countdown span {
  font: 500 var(--step-mono-sm)/1 var(--mono);
  letter-spacing: var(--track-mono-wide);
  text-transform: uppercase;
  color: var(--amber);
}
.founders__label { margin-top: 14px; }
.founders__cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.founders__micro { margin-top: 16px; }
.store-slot { margin-top: 30px; display: flex; justify-content: center; gap: 12px; }
.store-slot .chip { border-style: dashed; color: var(--text-dim); }

/* ================= PARTNER BANNER ================= */
.partner-banner .in {
  display: grid; gap: clamp(20px, 4vw, 56px);
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
}
@media (max-width: 820px) { .partner-banner .in { grid-template-columns: 1fr; } }
.partner-banner h2 { font-size: var(--step-h2); }
.partner-banner .pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.partner-banner .side { display: grid; gap: 16px; justify-items: start; }
@media (min-width: 821px) { .partner-banner .side { justify-items: end; text-align: right; } }