:root {
  --ink: #1c1c1e;
  --glass: rgba(255, 255, 255, 0.42);
  --stroke: rgba(255, 255, 255, 0.72);
  --shadow: 0 20px 50px rgba(40, 40, 60, 0.16);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font: 1.02rem/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background:
    radial-gradient(42rem 28rem at 8% -10%, #ffd6c8 0%, transparent 60%),
    radial-gradient(36rem 26rem at 100% 0%, #c9d8ff 0%, transparent 55%),
    radial-gradient(28rem 24rem at 70% 110%, #d7f3e4 0%, transparent 50%),
    #e7e8ee;
}
body::before {
  content: "";
  position: fixed;
  inset: -20vh -10vw auto;
  height: 70vh;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 40%, rgba(255, 140, 120, 0.55), transparent 42%),
    radial-gradient(circle at 78% 30%, rgba(90, 140, 255, 0.45), transparent 40%);
  filter: blur(8px);
}
a { color: inherit; }
:focus-visible { outline: 2px solid #0a84ff; outline-offset: 3px; }
.plate, .facts div, section, .clip, .sheet {
  background: var(--glass);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(28px) saturate(1.8);
  -webkit-backdrop-filter: blur(28px) saturate(1.8);
}
.plate {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: end;
  max-width: 68rem;
  margin: 1.2rem auto 0;
  padding: 1.5rem 1.6rem 1.35rem;
  border-radius: 2rem;
}
.brand { font-size: 0.92rem; font-weight: 600; opacity: 0.72; }
.plate h1 {
  margin: 0.2rem 0 0;
  font-size: clamp(3rem, 8vw, 5.6rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.9;
}
.plate p { margin: 0.7rem 0 0; max-width: 38rem; }
.led {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: #ff3b30;
  box-shadow: 0 0 14px #ff3b30;
}
.home { text-decoration: none; }
.wrap { position: relative; max-width: 68rem; margin: 0 auto; padding: 1rem 1rem 4rem; }
.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
  max-width: 22rem;
  margin: 0 0 0.9rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(28px) saturate(1.8);
  -webkit-backdrop-filter: blur(28px) saturate(1.8);
}
.tabs button {
  border: 0;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}
.tabs button[aria-selected="true"] {
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 6px 16px rgba(40, 40, 60, 0.12);
}
.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
}
.facts div { margin: 0; padding: 0.9rem 1rem; border-radius: 1.3rem; }
.facts dt { font-size: 0.78rem; opacity: 0.6; }
.facts dd { margin: 0.15rem 0 0; font-size: 1.2rem; font-weight: 650; letter-spacing: -0.03em; }
section { margin-top: 0.9rem; padding: 1.15rem 1.2rem 1.25rem; border-radius: 1.7rem; }
h2 { margin: 0 0 0.55rem; font-size: 1.55rem; letter-spacing: -0.03em; }
p, li { max-width: 44rem; }
.docs { margin: 0; padding: 0; list-style: none; }
.docs li { margin: 0.4rem 0; }
.docs a { text-underline-offset: 0.18em; }
details { margin-top: 0.7rem; }
summary { cursor: pointer; font-weight: 650; font-size: 1.05rem; }
.videos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0.8rem 0 0.15rem;
}
.clip {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  padding: 0.45rem 0.45rem 0.65rem;
  border-radius: 1.15rem;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.clip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.4);
}
.clip[aria-current="true"] { box-shadow: var(--shadow), inset 0 0 0 2px #0a84ff; }
.clip span { font-size: 0.86rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; }
.clip time { font-size: 0.76rem; opacity: 0.62; line-height: 1.1; }
.note { font-size: 0.9rem; opacity: 0.7; }
.sheet {
  width: min(56rem, calc(100vw - 2rem));
  margin: auto;
  padding: 0.85rem 0.85rem 1rem;
  border-radius: 1.6rem;
  color: var(--ink);
}
.sheet::backdrop { background: rgba(20, 20, 30, 0.28); backdrop-filter: blur(16px); }
.sheet form { display: flex; justify-content: flex-end; margin: 0; }
.close {
  border: 0;
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.7);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
#player-title { margin: 0.35rem 0.35rem 0.6rem; font-weight: 650; }
.stage { border-radius: 1rem; overflow: hidden; aspect-ratio: 16 / 9; background: #111; }
.stage iframe { width: 100%; height: 100%; border: 0; }
@media (max-width: 900px) {
  .videos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts { grid-template-columns: 1fr 1fr; }
  .plate { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (prefers-reduced-transparency: reduce) {
  .plate, .facts div, section, .clip, .sheet, .tabs { background: #f7f7f8; backdrop-filter: none; }
}