/* Nike energy · Apple ease */
:root {
  --bg: #000;
  --bg-elev: #0a0a0a;
  --fg: #f5f5f7;
  --muted: #86868b;
  --line: rgba(255, 255, 255, 0.12);
  --lime: #c8ff00;
  --white: #fff;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --font: "SF Pro Display", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, video { display: block; max-width: 100%; }

/* ── Nav: Apple-simple ── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(0, 0, 0, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: min(var(--max), 100%);
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
}
.nav-links a {
  font-size: 12px;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  font-size: 12px !important;
  font-weight: 600;
  color: #000 !important;
  background: var(--fg);
  padding: 6px 12px;
  border-radius: 980px;
  transition: opacity 0.2s !important;
}
.nav-cta:hover { opacity: 0.88; color: #000 !important; }

/* ── Hero: Nike bold + Apple air ── */
.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 100px 24px 80px;
  position: relative;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  filter: saturate(1.05) contrast(1.05);
}
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, rgba(0,0,0,0.55) 70%, #000 100%),
    linear-gradient(180deg, rgba(0,0,0,0.35) 0%, transparent 30%, rgba(0,0,0,0.75) 100%);
  pointer-events: none;
}
.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero-kicker {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 18px;
  opacity: 0;
  animation: rise 0.9s var(--ease-out) 0.1s forwards;
}
.hero h1 {
  margin: 0;
  font-size: clamp(2.75rem, 9vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.95;
  white-space: pre-line;
  opacity: 0;
  animation: rise 1s var(--ease-out) 0.2s forwards;
}
.hero-sub {
  margin: 22px auto 0;
  max-width: 28ch;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 400;
  color: var(--muted);
  opacity: 0;
  animation: rise 1s var(--ease-out) 0.35s forwards;
}
.hero-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  opacity: 0;
  animation: rise 1s var(--ease-out) 0.5s forwards;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: transform 0.25s var(--ease), background 0.2s, color 0.2s, border-color 0.2s;
}
.btn:active { transform: scale(0.98); }
.btn-fill {
  background: var(--fg);
  color: #000;
}
.btn-fill:hover { background: #e8e8ed; }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--fg);
  background: rgba(255,255,255,0.04);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* ── Strip: collections ── */
.strip {
  padding: 28px 0 8px;
  border-top: 1px solid var(--line);
}
.strip-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0 22px;
}
.strip-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: 0 0 auto;
  padding: 14px 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  text-align: left;
  min-width: 160px;
  transition: border-color 0.25s, background 0.25s, transform 0.3s var(--ease-out);
}
.tab:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.22); }
.tab.active {
  background: #111;
  border-color: rgba(255,255,255,0.35);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 20px 40px rgba(0,0,0,0.45);
}
.tab .t-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.tab .t-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.tab .t-count {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}
.tab.active .t-title { color: var(--lime); }

/* ── Stage ── */
.stage {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 28px 22px 100px;
  min-height: 50vh;
}
.stage-head {
  margin-bottom: 28px;
  max-width: 36rem;
}
.stage-head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}
.stage-head p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.45;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.card {
  --i: 0;
  grid-column: span 3;
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background: #111;
  aspect-ratio: 3 / 4;
  cursor: pointer;
  border: 1px solid transparent;
  opacity: 0;
  transform: translateY(28px) scale(0.96);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.6s var(--ease-out),
    border-color 0.25s,
    box-shadow 0.35s;
  transition-delay: calc(var(--i) * 60ms);
}
.stage.is-open .card {
  opacity: 1;
  transform: none;
}
.stage.is-leave .card {
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  transition-delay: calc(var(--i) * 25ms);
}
.card:hover {
  transform: translateY(-6px) scale(1.015);
  border-color: rgba(255,255,255,0.18);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  z-index: 2;
}
.card:nth-child(1) { grid-column: span 6; aspect-ratio: 16 / 11; }
.card:nth-child(2) { grid-column: span 6; aspect-ratio: 16 / 11; }
.card:nth-child(n+3) { grid-column: span 3; }

.card video,
.card .ph {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card .ph {
  background: linear-gradient(145deg, #1a1a1a, #0d0d0d);
}
.card .grad {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0,0,0,0.88) 100%);
  pointer-events: none;
}
.card .info {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 18px 18px 16px;
  z-index: 1;
}
.card .info h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.card .info span {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}
.card .dot {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(0.9);
  transition: 0.25s var(--ease);
}
.card:hover .dot { opacity: 1; transform: scale(1); }
.card .dot svg { width: 14px; height: 14px; fill: #fff; margin-left: 2px; }

.empty {
  grid-column: 1 / -1;
  border: 1px dashed var(--line);
  border-radius: 22px;
  padding: 64px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}

/* ── Modal ── */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0,0,0,0.78);
  backdrop-filter: blur(16px);
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.overlay.open { opacity: 1; pointer-events: auto; }
.sheet {
  width: min(1000px, 100%);
  max-height: min(92vh, 860px);
  background: #0c0c0c;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.4s var(--ease-out);
  position: relative;
}
.overlay.open .sheet { transform: none; }
.sheet-media {
  background: #000;
  min-height: 260px;
  display: flex;
  align-items: center;
}
.sheet-media video {
  width: 100%;
  max-height: 86vh;
}
.sheet-body {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sheet-body .eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
}
.sheet-body h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
}
.sheet-body p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  flex: 1;
}
.sheet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.x {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--line);
  color: #fff;
  font-size: 20px;
  line-height: 1;
  z-index: 2;
  display: grid;
  place-items: center;
}

/* ── Footer ── */
.foot {
  border-top: 1px solid var(--line);
  padding: 28px 22px 40px;
}
.foot-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
}
.foot a:hover { color: var(--fg); }

@media (max-width: 900px) {
  .card:nth-child(1),
  .card:nth-child(2),
  .card:nth-child(n+3) {
    grid-column: span 6;
    aspect-ratio: 3 / 4;
  }
  .sheet { grid-template-columns: 1fr; max-height: 92vh; overflow: auto; }
}
@media (max-width: 560px) {
  .card:nth-child(1),
  .card:nth-child(2),
  .card:nth-child(n+3) {
    grid-column: span 12;
  }
  .hero h1 { letter-spacing: -0.04em; }
}
