:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #595959;
  --border: #e0e0e0;
  --code-bg: #f2f2f2;
  --link: #0645ad;
  --table-head: #f7f7f7;
  --card-bg: #f7f9fc;
  --accent: #2563ca;
  --accent-fg: #ffffff;
  --hero-bg: linear-gradient(135deg, #081634 0%, #0e2a5c 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e8e8e8;
    --muted: #a3a3a3;
    --border: #2e3238;
    --code-bg: #1e2126;
    --link: #6cb6ff;
    --table-head: #1c1f24;
    --card-bg: #1b1e24;
    --accent: #3f7fe0;
    --accent-fg: #ffffff;
    --hero-bg: linear-gradient(135deg, #060d20 0%, #0b1f45 100%);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2.5rem 1.25rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

main {
  max-width: 42rem;
  margin: 0 auto;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.2rem;
  margin-top: 2.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}

p, li { color: var(--fg); }

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0;
}

.lang-switch {
  font-size: 0.9rem;
}

a { color: var(--link); }

code {
  background: var(--code-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
  overflow-x: auto;
  display: block;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--table-head);
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

/* Landing page */

main.landing {
  max-width: 60rem;
}

.hero {
  background: var(--hero-bg);
  border-radius: 16px;
  padding: 3rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  color: #ffffff;
}

.hero img.logo {
  width: 128px;
  height: 128px;
  flex-shrink: 0;
}

.hero-text h1 {
  color: #ffffff;
  font-size: 2.1rem;
  margin: 0 0 0.5rem;
}

.hero-text p {
  color: #cfe0ff;
  font-size: 1.1rem;
  max-width: 34rem;
  margin: 0 0 1.25rem;
}

.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent-fg);
  color: #0e2a5c;
}

.btn-secondary {
  background: rgba(255,255,255,0.12);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.35);
}

.pill {
  font-size: 0.8rem;
  color: #cfe0ff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
}

.section-title {
  font-size: 1.5rem;
  margin: 3rem 0 1.25rem;
  text-align: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.25rem;
}

.feature {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.4rem;
}

.feature h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.25rem;
}

.gallery figure {
  margin: 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.gallery img {
  width: 100%;
  display: block;
}

.gallery figcaption {
  padding: 0.75rem 0.9rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.landing-footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.landing-footer a {
  color: var(--fg);
  margin-right: 1rem;
}