:root {
  --bg: #0a0d14;
  --bg-2: #11161f;
  --panel: #161c27;
  --border: #232b3a;
  --ink: #eef2f8;
  --ink-dim: #a8b1c2;
  --accent: #5ac8fa;
  --accent-2: #8e7dff;
  --wave: linear-gradient(135deg, #5ac8fa 0%, #8e7dff 100%);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.hero {
  position: relative;
  padding: 96px 24px 72px;
  text-align: center;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(90,200,250,0.20), transparent 60%),
    radial-gradient(700px 400px at 80% 30%, rgba(142,125,255,0.18), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: 880px; margin: 0 auto; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--ink-dim);
  margin: 0 0 12px;
}
h1 {
  font-size: clamp(64px, 12vw, 128px);
  margin: 0;
  letter-spacing: -0.04em;
  background: var(--wave);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
}
.tagline { font-size: 18px; color: var(--ink-dim); max-width: 560px; margin: 16px auto 32px; }
.facts {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  max-width: 720px;
}
.facts li {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.facts li span { font-size: 11px; color: var(--ink-dim); text-transform: uppercase; letter-spacing: 0.1em; }
.facts li strong { font-size: 15px; }

.tabs {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 12px 16px;
  background: rgba(10,13,20,0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.tabs a {
  flex: 0 0 auto;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
}
.tabs a:hover { color: var(--ink); background: var(--panel); }

main { max-width: 880px; margin: 0 auto; padding: 48px 24px 80px; }

section { padding: 32px 0; border-top: 1px solid var(--border); }
section:first-of-type { border-top: 0; }

h2 {
  font-size: 28px;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}
.prose p { color: var(--ink); margin: 0 0 16px; }
.prose q { color: var(--ink-dim); font-style: italic; }
.prose em { color: var(--ink); font-style: italic; }

.timeline-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.chip {
  background: var(--panel);
  color: var(--ink-dim);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  transition: 0.15s ease;
}
.chip:hover { color: var(--ink); }
.chip.active {
  background: var(--wave);
  color: #0a0d14;
  border-color: transparent;
  font-weight: 600;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2));
  opacity: 0.4;
}
.timeline li {
  position: relative;
  padding: 12px 0 12px 44px;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(90,200,250,0.12);
}
.timeline li[data-cat="release"]::before { border-color: var(--accent-2); box-shadow: 0 0 0 4px rgba(142,125,255,0.15); }
.timeline li[data-cat="live"]::before { border-color: #ffd166; box-shadow: 0 0 0 4px rgba(255,209,102,0.15); }
.timeline .date { color: var(--ink-dim); font-size: 13px; letter-spacing: 0.04em; }
.timeline .event { display: block; margin-top: 4px; }
.timeline li.hidden { display: none; }

.credits {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}
.credits li {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
}
.credits li span { display: block; color: var(--ink-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }

.lyrics {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 18px 20px;
  white-space: pre-wrap;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.8;
}
.caption { color: var(--ink-dim); font-size: 13px; margin-top: 10px; }

footer {
  padding: 32px 24px 56px;
  text-align: center;
  color: var(--ink-dim);
  font-size: 13px;
  border-top: 1px solid var(--border);
}
footer p { margin: 4px 0; }
.sources { font-size: 12px; opacity: 0.8; }

@media (max-width: 600px) {
  .hero { padding: 64px 20px 48px; }
  main { padding: 32px 20px 64px; }
  h2 { font-size: 24px; }
}