:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #111827;
  --muted: #5b6472;
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --border: rgba(148, 163, 184, 0.22);
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.14), transparent 25%),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.12), transparent 22%),
    linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 32px 20px 72px;
}

.hero-card,
.document-card {
  border-radius: 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  margin-top: min(10vh, 72px);
  padding: 28px;
}

.hero-card--center {
  text-align: center;
}

.document-card {
  margin-top: min(5vh, 40px);
  padding: 28px;
}

.top-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-bottom: 18px;
}

.text-link {
  text-decoration: none;
  color: var(--accent);
  font-size: 0.96rem;
  font-weight: 600;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.lead,
.updated-at,
p {
  color: var(--muted);
  line-height: 1.75;
}

.lead {
  width: min(100%, 36rem);
  margin: 16px auto 0;
  font-size: 1.05rem;
}

.updated-at {
  margin: 14px 0 0;
  font-size: 0.98rem;
}

.language-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.language-link {
  display: block;
  padding: 20px;
  text-align: left;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.language-link:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.28);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.language-name,
.language-meta {
  display: block;
}

.language-name {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
}

.language-meta {
  margin-top: 6px;
}

section + section {
  margin-top: 30px;
}

p {
  margin: 0;
  font-size: 1rem;
}

p + p {
  margin-top: 12px;
}

@media (max-width: 640px) {
  .hero-card,
  .document-card {
    padding: 22px 18px;
    border-radius: 24px;
  }

  .top-links {
    justify-content: flex-start;
  }
}