* {
  box-sizing: border-box;
}

:root {
  --bg: #02070d;
  --bg-deep: #06182a;
  --card: rgba(18, 32, 40, 0.94);
  --card-soft: rgba(24, 42, 52, 0.78);
  --border: rgba(126, 190, 220, 0.25);
  --text: #edf8ff;
  --muted: #9bb4c0;
  --accent: #7ecbf0;
  --accent-strong: #9ed8f4;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.hero,
.page {
  min-height: 100vh;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 75%, rgba(115, 190, 230, 0.22), transparent 32%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 100%);
}

.hero {
  display: grid;
  place-items: center;
}

.page {
  display: block;
}

.card {
  width: min(900px, 100%);
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.center {
  text-align: center;
}

.brand-mark {
  width: 68px;
  height: 68px;
  margin: 0 auto 18px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font: 700 32px/1 Georgia, "Times New Roman", serif;
  color: #06182a;
  background: linear-gradient(145deg, #b9e8ff, #65bce8);
  box-shadow: 0 12px 30px rgba(75, 171, 220, 0.22);
}

h1 {
  margin: 0 0 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 8vw, 72px);
  line-height: 1;
  color: #f6fbff;
}

h1 span {
  color: var(--accent);
  font-weight: 400;
  font-style: italic;
  font-size: 0.62em;
}

h2 {
  color: var(--accent-strong);
  margin-top: 30px;
}

h3 {
  color: #d9f2ff;
}

.lead {
  max-width: 660px;
  margin: 0 auto;
  color: #d4e5ed;
  font-size: 1.08rem;
}

.updated,
.muted {
  color: var(--muted);
}

.links {
  display: flex;
  gap: 18px 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #06131c;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(71, 167, 215, 0.2);
}

.button:hover,
.button:focus-visible {
  text-decoration: none;
  filter: brightness(1.06);
}

.button.secondary {
  color: var(--accent);
  background: transparent;
  border: 1px solid rgba(126, 203, 240, 0.5);
}

.album-layout {
  display: grid;
  grid-template-columns: minmax(240px, 340px) 1fr;
  gap: 34px;
  align-items: start;
}

.album-cover {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 24px;
  display: block;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 18px 44px rgba(0,0,0,0.38);
}

.album-kicker {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .8rem;
}

.album-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(36px, 6vw, 58px);
  line-height: 1.02;
  margin: 6px 0 14px;
}

.track-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  background: var(--card-soft);
}

.track-list li {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 11px 14px;
  border-bottom: 1px solid rgba(126, 190, 220, 0.14);
}

.track-list li:last-child {
  border-bottom: 0;
}

.track-number,
.track-time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.notice {
  margin-top: 24px;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(126, 203, 240, 0.08);
  border: 1px solid rgba(126, 203, 240, 0.2);
  color: #d5e9f3;
}

.footer-links {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(126, 190, 220, 0.16);
  display: flex;
  gap: 14px 22px;
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  .hero,
  .page {
    padding: 16px;
  }

  .card {
    border-radius: 22px;
    padding: 24px 20px;
  }

  .album-layout {
    grid-template-columns: 1fr;
  }

  .album-cover {
    max-width: 420px;
    margin: 0 auto;
  }

  .track-list li {
    grid-template-columns: 26px 1fr auto;
    padding: 10px 12px;
  }
}
