@import url('https://rsms.me/inter/inter.css');

:root {
  --bg: #ffffff;
  --fg: #0b1220;
  --muted: #475569;
  --border: #e2e8f0;
  --accent: #0c7d69;
  --accent-muted: rgba(12, 125, 105, 0.12);
  --max-width: 640px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(0, 0, 0, 0.2);
}

a:hover {
  text-decoration-color: rgba(0, 0, 0, 0.6);
}

img {
  max-width: 100%;
  height: auto;
}

nav {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
}

.nav-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
  color: rgba(11, 18, 32, 0.6);
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--fg);
}

.reading-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.5rem;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.5rem;
  margin: 2.5rem 0 1rem;
}

h3 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.5rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--muted);
}

.maintainers {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--accent-muted);
  font-size: 0.95rem;
  margin-top: 1rem;
}

.section {
  margin-bottom: 2.5rem;
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.link-list a {
  text-decoration: none;
  display: block;
}

.link-title {
  font-weight: 600;
  display: block;
}

.link-summary {
  font-size: 0.95rem;
  color: var(--muted);
}

.pill-grid {
  display: grid;
  gap: 1rem;
}

.pill {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  background: #fbfcfd;
}

.meta {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  gap: 0.5rem;
}

.article-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.article-card {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.article-card h3 {
  margin-top: 0.5rem;
}

.tracks-grid,
.tutorials-grid {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.track-card,
.tutorial-card {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  background: #fbfcfd;
}

.track-card ul,
.tutorial-card ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero-cta {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.button {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.6rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.button.primary {
  background: var(--fg);
  color: #fff;
  border-color: var(--fg);
}

blockquote {
  margin: 2rem 0;
  padding-left: 1.25rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

th,
td {
  border: 1px solid var(--border);
  padding: 0.6rem;
  text-align: left;
}

thead {
  background: #f8fafc;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-content strong {
  color: var(--fg);
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }
}