:root {
  --bg: #0c0c0e;
  --fg: #f5f5f7;
  --muted: #8e8e93;
  --accent: #ff5c2e;
  --card: #18181c;
  --card-border: #26262c;
  --maxw: 1100px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body { min-height: 100vh; display: flex; flex-direction: column; }

a { color: var(--fg); text-decoration: none; }
a:hover { color: var(--accent); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--card-border);
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
}
.brand { font-weight: 700; letter-spacing: 0.08em; font-size: 14px; }
.site-header nav a { margin-left: 24px; font-size: 14px; color: var(--muted); }
.site-header nav a:hover { color: var(--fg); }

main { flex: 1; max-width: var(--maxw); width: 100%; margin: 0 auto; padding: 32px; }

.hero { padding: 48px 0 32px; }
.hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 12px; line-height: 1.15; }
.hero p { color: var(--muted); margin: 0; max-width: 600px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card .thumb {
  aspect-ratio: 9 / 16;
  background: #000 center / cover no-repeat;
  position: relative;
}
.card .thumb .badge {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.7); color: #fff; padding: 4px 8px;
  border-radius: 4px; font-size: 12px;
}
.card .body { padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.card h3 { margin: 0; font-size: 15px; line-height: 1.3; }
.card .price { color: var(--accent); font-weight: 600; font-size: 14px; }

.product { display: grid; grid-template-columns: minmax(0, 320px) 1fr; gap: 40px; }
.product .preview { position: relative; }
.product video {
  width: 100%; aspect-ratio: 9 / 16; background: #000;
  border-radius: 12px; border: 1px solid var(--card-border);
}
.product h1 { margin: 0 0 8px; font-size: 28px; line-height: 1.2; }
.product .blurb { color: var(--muted); margin: 0 0 20px; }
.product .meta { display: flex; gap: 16px; color: var(--muted); font-size: 13px; margin: 0 0 24px; flex-wrap: wrap; }
.product .price-row { display: flex; align-items: baseline; gap: 12px; margin: 20px 0; }
.product .price-row .price { font-size: 28px; font-weight: 700; color: var(--accent); }
.product .price-row .price-note { color: var(--muted); font-size: 13px; }
.product .description { color: #d0d0d2; line-height: 1.6; }
.product .tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0; }
.product .tags .tag { background: var(--card); border: 1px solid var(--card-border); border-radius: 999px; padding: 3px 10px; font-size: 12px; color: var(--muted); }

.buy {
  appearance: none; border: none; cursor: pointer;
  background: var(--accent); color: #000; font-weight: 700;
  padding: 14px 24px; border-radius: 8px; font-size: 15px;
  transition: filter 0.1s ease;
}
.buy:hover { filter: brightness(1.08); }
.buy:disabled { opacity: 0.6; cursor: progress; }
.buy-err { color: #ff7474; font-size: 13px; margin-top: 8px; }

.notice {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 8px; padding: 14px 18px; color: var(--muted); font-size: 14px;
}

.success-card {
  max-width: 540px; margin: 60px auto;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 32px; text-align: center;
}
.success-card h1 { margin-top: 0; }

.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 24px 32px; color: var(--muted); font-size: 13px;
  max-width: var(--maxw); width: 100%; margin: 0 auto;
}

.canceled-banner {
  background: #2c1818; border: 1px solid #5a2a2a; color: #ffb0a0;
  padding: 12px 16px; border-radius: 8px; margin-bottom: 20px;
}

@media (max-width: 720px) {
  .product { grid-template-columns: 1fr; }
}