:root {
  --bg: #fff;
  --fg: #0a0a0a;
  --muted: #6b7280;
  --chip-bg: #0a0a0a;
  --chip-fg: #fff;
  --ring: rgba(0,0,0,0.08);
}
/* ...existing styles... */
html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: "Noto Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin: 0;
}
.site-header, .site-footer { padding: 16px 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: 0.2px; }
.logo-dot { width: 14px; height: 14px; border-radius: 50%; background: linear-gradient(135deg,#00c2ff 0%,#00d084 50%,#ff6a00 100%); box-shadow: 0 0 0 6px var(--ring); }
.brand-text { font-family: "Space Mono", monospace; font-weight: 700; }
.hero { width: 100%; }
.video-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: #000; }
.hero-video { width: 100%; height: 100%; object-fit: cover; display: block; }
.scrim-top, .scrim-bottom { position: absolute; left: 0; right: 0; pointer-events: none; }
.scrim-top { top: 0; height: 30%; background: linear-gradient(to bottom, rgba(0,0,0,0.35), transparent); }
.scrim-bottom { bottom: 0; height: 40%; background: linear-gradient(to top, rgba(0,0,0,0.35), transparent); }
.sound-toggle {
  position: absolute; right: 12px; bottom: 12px; padding: 10px 12px; font-size: 14px; border-radius: 999px; border: none;
  background: rgba(255,255,255,0.9); color: #111; cursor: pointer; backdrop-filter: blur(6px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}
.sound-toggle:hover { transform: translateY(-1px); }
.message { padding: 28px 20px 12px; max-width: 960px; margin: 0 auto; text-align: center; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 18px; }
.chip {
  padding: 8px 12px; border-radius: 999px; background: var(--chip-bg); color: var(--chip-fg); font-weight: 700; font-size: 14px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08); transform: translateY(0); animation: float 4s ease-in-out infinite;
}
.chip:nth-child(2){ animation-delay: 0.8s; }
.headline { margin: 6px 0 10px; font-size: clamp(34px, 4.6vw, 64px); line-height: 1.05; font-weight: 900; letter-spacing: -0.02em; }
.gradient {
  background: linear-gradient(90deg, #00c2ff, #00d084, #ff6a00, #ff1e56);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  background-size: 200% 200%; animation: shimmer 6s ease-in-out infinite;
}
.sub { margin: 8px auto 18px; color: var(--muted); font-size: clamp(16px, 2.2vw, 20px); max-width: 760px; }
.cta-row { display: flex; gap: 14px; justify-content: center; align-items: center; flex-wrap: wrap; margin: 6px 0 8px; }
.btn {
  appearance: none; border: 0; border-radius: 12px; padding: 12px 18px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #111 0%, #333 100%); box-shadow: 0 12px 30px rgba(0,0,0,0.14);
  text-decoration: none; transition: transform 120ms ease, box-shadow 120ms ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(0,0,0,0.18); }
.link-btn { background: transparent; border: none; color: #0a0a0a; font-weight: 800; cursor: pointer; text-decoration: underline; }
.eta { color: var(--muted); font-size: 14px; margin: 12px 0 0; }
.site-footer { display: flex; justify-content: center; color: var(--muted); }
@keyframes shimmer { 0%{background-position: 0% 50%} 50%{background-position: 100% 50%} 100%{background-position: 0% 50%} }
@keyframes float { 0%{ transform: translateY(0)} 50%{ transform: translateY(-6px)} 100%{ transform: translateY(0)} }
/* ...existing styles... */