:root {
  color-scheme: light;
  --bg-1: #0a0f12;
  --bg-2: #0f1a25;
  --bg-3: #153145;
  --accent: #f6c65b;
  --accent-2: #63e6c2;
  --text: #f8f4ed;
  --soft: rgba(248, 244, 237, 0.7);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at 20% 10%, #1c2a36 0%, #0a0f12 40%),
    radial-gradient(circle at 80% 20%, #1f3d52 0%, #0a0f12 50%);
  color: var(--text);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.stage {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(21, 49, 69, 0.8), rgba(8, 12, 16, 0.95));
}

#scene {
  display: block;
  width: 100%;
  height: 100%;
}

.hud {
  position: absolute;
  top: 6vh;
  left: 6vw;
  z-index: 3;
  max-width: 420px;
  backdrop-filter: blur(6px);
}

.title {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: 0.02em;
}

.byline {
  margin-top: 6px;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(12px, 1.5vw, 15px);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(248, 244, 237, 0.6);
}

.subtitle {
  margin-top: 12px;
  font-size: clamp(14px, 2vw, 18px);
  color: var(--soft);
  line-height: 1.5;
}

.tips {
  font-size: 14px;
  color: rgba(248, 244, 237, 0.55);
}

.tips-bottom {
  position: absolute;
  left: 6vw;
  bottom: 4vh;
  z-index: 3;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.glow {
  position: absolute;
  width: min(60vw, 540px);
  height: min(60vw, 540px);
  right: -10%;
  bottom: -15%;
  background: radial-gradient(circle, rgba(99, 230, 194, 0.3), transparent 70%);
  filter: blur(10px);
  z-index: 0;
}

.footer {
  position: fixed;
  bottom: 16px;
  right: 24px;
  font-size: 12px;
  color: rgba(248, 244, 237, 0.45);
  z-index: 5;
}

@media (max-width: 720px) {
  .hud {
    left: 8vw;
    right: 8vw;
  }

  .tips-bottom {
    left: 8vw;
    right: 8vw;
  }

  .footer {
    left: 8vw;
    right: 8vw;
    text-align: left;
  }
}