:root {
  --bg: #06080c;
  --bg-2: #0d131b;
  --text: #f2eee6;
  --muted: #9d968b;
  --accent: #d2b07a;
  --accent-2: #8eb0d2;
  --line: rgba(210,176,122,0.2);
  --card: rgba(16,22,31,0.72);
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "Segoe UI", sans-serif;
  --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1000px 520px at 12% -8%, rgba(142,176,210,0.16), transparent 58%),
    radial-gradient(900px 560px at 92% 8%, rgba(210,176,122,0.12), transparent 52%),
    radial-gradient(700px 500px at 70% 110%, rgba(110,48,40,0.16), transparent 55%),
    var(--bg);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }

.enter-gate[hidden] { display: none !important; }
.enter-gate {
  position: fixed; inset: 0; z-index: 40;
  display: grid; place-items: center;
  background: rgba(4,6,10,0.82);
  backdrop-filter: blur(10px);
}
.enter-card {
  width: min(22rem, calc(100% - 2rem));
  text-align: center;
  padding: 2rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(22,30,42,0.95), rgba(10,14,20,0.95));
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
}
.enter-kicker { letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); font-size: 0.75rem; }
.enter-card h2 { font-family: var(--serif); margin: 0.4rem 0 0.5rem; font-size: 1.8rem; }
.enter-card p { color: var(--muted); margin: 0 0 1.2rem; }
.enter-card button {
  border: 0; border-radius: 999px; padding: 0.85rem 1.4rem;
  background: var(--accent); color: #1a1208; font-weight: 700; cursor: pointer;
}

.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 6vw; position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px); background: rgba(6,8,12,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.brand-lockup { display: flex; gap: 0.75rem; align-items: center; }
.mark {
  width: 2rem; height: 2rem; border-radius: 50%;
  border: 1px solid var(--accent);
  box-shadow: 0 0 24px rgba(210,176,122,0.25) inset;
}
.brand-lockup strong { display: block; font-family: var(--serif); }
.brand-lockup small { color: var(--muted); }
.top-link { color: var(--accent); border: 1px solid var(--line); border-radius: 999px; padding: 0.4rem 0.85rem; }

.audio-toggle {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 20;
  border: 1px solid var(--line); background: rgba(8,10,14,0.85);
  color: var(--text); border-radius: 999px; padding: 0.55rem 0.95rem; cursor: pointer;
}
.audio-toggle[aria-pressed="true"] { color: var(--accent); border-color: var(--accent); }

.hero {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2rem;
  align-items: center; padding: 3.5rem 6vw 2rem;
}
.eyebrow { color: var(--accent-2); letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.78rem; margin: 0 0 0.8rem; }
h1 {
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1.02; margin: 0 0 0.7rem;
  background: linear-gradient(180deg, #fff8ea, #d2b07a 75%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tag { color: var(--accent); margin: 0 0 0.8rem; font-size: 1.05rem; }
.lead { color: var(--muted); max-width: 34rem; margin: 0 0 1.5rem; }
.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.2rem; border-radius: 999px; font-weight: 700;
  border: 1px solid transparent; transition: 0.18s ease;
}
.btn.primary { background: var(--accent); color: #1a1208; }
.btn.primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn.ghost { border-color: var(--line); color: var(--text); background: rgba(255,255,255,0.02); }

.hero-stage { min-height: 420px; }
.stage-frame {
  height: 100%; min-height: 420px; border-radius: calc(var(--radius) + 6px);
  border: 1px solid var(--line); padding: 1.5rem;
  background:
    linear-gradient(160deg, rgba(20,28,40,0.35), rgba(6,8,12,0.85)),
    radial-gradient(circle at 50% 35%, rgba(210,176,122,0.16), transparent 42%),
    linear-gradient(145deg, #182236, #0a0d12 58%, #1a1012);
  display: flex; flex-direction: column; justify-content: flex-end; gap: 0.45rem;
  animation: drift 10s ease-in-out infinite alternate;
}
@keyframes drift {
  from { box-shadow: 0 0 0 rgba(210,176,122,0.05); }
  to { box-shadow: 0 0 48px rgba(210,176,122,0.12); }
}
.ph-title { font-family: var(--serif); font-size: 1.35rem; margin: 0; }
.ph-body, .ph-meta { margin: 0; color: var(--muted); }
.ph-meta { color: var(--accent); font-size: 0.9rem; }

.strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.9rem;
  padding: 1rem 6vw 2.5rem;
}
.strip article {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
}
.strip h3 { margin: 0 0 0.4rem; font-family: var(--serif); font-size: 1.1rem; }
.strip p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.media, .studio { padding: 1.5rem 6vw 3rem; }
.section-h { margin-bottom: 1rem; max-width: 40rem; }
.section-h h2, .studio h2 { font-family: var(--serif); margin: 0 0 0.4rem; font-size: 1.7rem; }
.section-h p, .studio > div > p { margin: 0; color: var(--muted); }
.media-grid {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 0.85rem;
}
.ph {
  margin: 0; min-height: 160px; border-radius: var(--radius);
  border: 1px dashed rgba(210,176,122,0.35);
  background: linear-gradient(160deg, #141b26, #0a0e14);
  padding: 1rem; display: grid; align-items: end;
}
.ph.wide { grid-row: span 2; min-height: 340px; }
.ph figcaption { display: grid; gap: 0.35rem; }
.ph strong { font-family: var(--serif); }
.ph span { color: var(--muted); font-size: 0.92rem; }

.studio {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 1rem; align-items: stretch;
}
.audio-box {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); padding: 1.2rem;
}
.audio-box h3 { margin: 0 0 0.4rem; font-family: var(--serif); }
.audio-box p { color: var(--muted); margin: 0 0 0.8rem; }
.audio-box label { display: grid; gap: 0.35rem; color: var(--muted); font-size: 0.92rem; }
.audio-box select {
  background: #0b1017; color: var(--text); border: 1px solid var(--line);
  border-radius: 12px; padding: 0.55rem 0.65rem;
}

footer {
  padding: 1.2rem 6vw 2rem; color: var(--muted);
  display: grid; gap: 0.35rem; border-top: 1px solid rgba(255,255,255,0.04);
}
.tiny { font-size: 0.82rem; opacity: 0.85; max-width: 48rem; }

@media (max-width: 960px) {
  .hero, .strip, .media-grid, .studio { grid-template-columns: 1fr; }
  .ph.wide { grid-row: auto; min-height: 200px; }
  .hero-stage, .stage-frame { min-height: 280px; }
}

.site-version {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 20;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(242,238,230,0.55);
  border: 1px solid rgba(210,176,122,0.25);
  background: rgba(8,10,14,0.72);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-variant-numeric: tabular-nums;
  backdrop-filter: blur(8px);
}
@media (max-width: 600px) {
  .site-version { bottom: 3.4rem; }
}

a.demo-card { color: inherit; }
a.demo-card:hover { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(210,176,122,0.25) inset; }
a.demo-card .ph-meta { color: var(--accent); margin-top: 0.4rem; }


/* feedback */
.feedback { margin: 3rem auto 4rem; max-width: 720px; padding: 0 1.25rem; }
.feedback-form { display: grid; gap: 0.75rem; }
.feedback-form textarea,
.feedback-form input {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.35);
  color: inherit;
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  font: inherit;
}
.feedback-form textarea { resize: vertical; min-height: 6rem; }
.device-line { font-size: 0.85rem; opacity: 0.75; }
.device-line code { font-size: 0.8rem; word-break: break-all; }
.feedback-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.feedback-status { font-size: 0.9rem; opacity: 0.85; }


/* brand logos */
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}
.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 10px;
  background: #000;
}
.brand-text strong { display: block; line-height: 1.2; }
.brand-text small { opacity: 0.7; }

.enter-logo {
  width: 96px;
  height: 96px;
  object-fit: contain;
  margin: 0 auto 0.75rem;
  display: block;
  background: #000;
  border-radius: 16px;
}

.hero-title {
  margin: 0.35rem 0 0.75rem;
}
.title-logo {
  display: block;
  width: min(420px, 100%);
  height: auto;
  object-fit: contain;
  background: #000;
  border-radius: 12px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.stage-frame--logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 320px;
  background: #050505;
}
.stage-logo {
  width: min(360px, 86%);
  height: auto;
  object-fit: contain;
}