:root {
  color-scheme: light;
  --fg: #1c1c1e;
  --bg: #ffffff;
  --muted: #6e6e73;
  --accent: #0a84ff;
  --rule: #d2d2d7;
  --card-bg: #f5f5f7;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  margin: 0;
  padding: 48px 24px;
}

main { max-width: 760px; margin: 0 auto; }

header.site {
  text-align: center;
  padding-bottom: 28px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--rule);
}
header.site h1 {
  font-size: 2.6rem;
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}
header.site .latin {
  color: var(--muted);
  font-size: 1rem;
  margin: 0 0 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
header.site .tagline {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

h1 { font-size: 2rem; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 {
  margin-top: 36px;
  font-size: 1.2rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 4px;
}
h3 { margin-top: 20px; font-size: 1.0rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.updated { color: var(--muted); margin: 0 0 32px; font-size: 0.9rem; }
.lang-divider { color: var(--muted); font-size: 0.85rem; text-align: center; margin: 0; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 48px 0; }

ul { padding-left: 20px; }
li { margin: 8px 0; }

.app-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 12px;
  margin: 16px 0;
  display: block;
  text-decoration: none;
  color: inherit;
}
.app-card:hover { text-decoration: none; outline: 1px solid var(--accent); }
.app-card h3 { margin: 0 0 6px; font-size: 1.1rem; color: var(--fg); }
.app-card p  { margin: 0; color: var(--muted); font-size: 0.95rem; }

nav.foot {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}
nav.foot a { margin: 0 10px; color: var(--muted); }