:root {
  color-scheme: light dark;
  --page: #f4f5f1;
  --card: rgba(255, 255, 255, 0.76);
  --ink: #14252d;
  --muted: #64747a;
  --line: rgba(20, 37, 45, 0.1);
  --accent: #477a72;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(132, 178, 183, 0.22), transparent 42rem),
    var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  line-height: 1.65;
}

.main {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 64px;
}

.site-header { margin-bottom: 36px; }

.wordmark {
  margin: 0;
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 300;
  letter-spacing: -0.035em;
}

.tagline,
.eyebrow,
.meta { color: var(--muted); }

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.25; }
h1 { font-weight: 400; }
h2 { margin-top: 2.2rem; font-size: 1.15rem; font-weight: 600; }
h3 { margin-bottom: 0.35rem; font-size: 1rem; }
p { margin: 0.55rem 0 1rem; }

.card {
  padding: clamp(22px, 5vw, 38px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 18px 60px rgba(21, 47, 55, 0.06);
  backdrop-filter: blur(20px);
}

.language + .language {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

a { color: var(--accent); }
ul { padding-left: 1.2rem; }

.site-footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #071a28;
    --card: rgba(15, 38, 52, 0.74);
    --ink: #edf4f4;
    --muted: #a7b7bb;
    --line: rgba(237, 244, 244, 0.12);
    --accent: #92c8c0;
  }
}