:root {
  color-scheme: dark;
  --background: #080b18;
  --surface: rgba(24, 28, 53, 0.78);
  --surface-strong: #1a1f3c;
  --text: #f4f1ff;
  --muted: #bbb5d0;
  --accent: #c5a8ff;
  --line: rgba(197, 168, 255, 0.22);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(91, 61, 148, 0.34), transparent 34rem),
    radial-gradient(circle at 90% 20%, rgba(43, 91, 143, 0.22), transparent 30rem),
    var(--background);
}

a { color: var(--accent); }
a:hover { color: #e1d3ff; }

.shell { width: min(820px, calc(100% - 32px)); margin: 0 auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.brand { color: var(--text); font: 700 1.25rem/1.2 ui-serif, Georgia, serif; text-decoration: none; }
.brand span { color: var(--accent); }

nav, .languages { display: flex; flex-wrap: wrap; gap: 14px; }
nav a, .languages a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], .languages a[aria-current="true"] { color: var(--text); }

main { padding: 62px 0 80px; }
.eyebrow { color: var(--accent); font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1, h2 { font-family: ui-serif, Georgia, serif; line-height: 1.18; }
h1 { max-width: 680px; margin: 10px 0 20px; font-size: clamp(2.3rem, 7vw, 4.6rem); letter-spacing: -.035em; }
h2 { margin: 42px 0 12px; font-size: 1.55rem; }
p, li { color: var(--muted); }
.intro { max-width: 690px; font-size: 1.1rem; }
.card { margin: 34px 0; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; backdrop-filter: blur(20px); }
.card h2 { margin-top: 0; }
.button { display: inline-block; margin-top: 8px; padding: 11px 16px; color: #120c21; background: var(--accent); border-radius: 999px; font-weight: 700; text-decoration: none; }
.button:hover { color: #120c21; background: #e1d3ff; }
.meta { font-size: .9rem; }
ul { padding-left: 1.25rem; }
footer { padding: 28px 0 40px; border-top: 1px solid var(--line); }
footer p { margin: 0 0 12px; font-size: .9rem; }

@media (max-width: 640px) {
  header { align-items: flex-start; flex-direction: column; }
  main { padding-top: 42px; }
  .card { padding: 20px; }
}