:root {
  --bg: #0b1220;
  --ink: #f4f1ea;
  --muted: #b7c0d0;
  --gold: #d4a24a;
  --line: rgba(244, 241, 234, 0.12);
  --card: rgba(16, 27, 48, 0.72);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  background: var(--bg);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  line-height: 1.5;
  overflow-x: hidden;
}

.sky,
.harbor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.sky {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(212, 162, 74, 0.18), transparent 55%),
    radial-gradient(800px 400px at 10% 0%, rgba(90, 140, 210, 0.16), transparent 50%),
    linear-gradient(180deg, #0b1220 0%, #101b30 55%, #0a1424 100%);
}

.harbor {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.45) 40%, transparent 85%);
}

.top,
main,
footer {
  position: relative;
  z-index: 1;
}

.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.5rem 6vw 0;
}

.mark {
  color: inherit;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.mark-en {
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mark-zh {
  color: var(--gold);
  font-size: 0.9rem;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 12vh 6vw 4rem;
}

.kicker {
  margin: 0 0 0.75rem;
  color: var(--gold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.lede {
  max-width: 38rem;
  margin: 0 0 3rem;
  color: var(--muted);
  font-size: 1.15rem;
}

.lede strong {
  color: var(--ink);
  font-weight: 600;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.25rem 1.2rem 1.15rem;
  backdrop-filter: blur(10px);
}

.card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.card p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.98rem;
}

code {
  display: block;
  color: var(--gold);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  word-break: break-all;
}

footer {
  padding: 0 6vw 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 800px) {
  main {
    padding-top: 8vh;
  }

  .cards {
    grid-template-columns: 1fr;
  }
}