:root {
  color-scheme: dark;
  --background: #121212;
  --surface: #1f1f1f;
  --accent: #7a5cff;
  --text: #f6f4ee;
  --muted: #aaa8a2;
  --line: #343434;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: #a996ff; }
a:hover { color: #c7bbff; }

.shell {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

header, section, .card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

header, section { padding: clamp(20px, 5vw, 40px); }
section { margin-top: 20px; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 24px;
  align-items: center;
}

.language-toggle {
  display: inline-flex;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  background: var(--surface);
}

.language-toggle a { padding: 7px 14px; border-radius: 999px; }
.language-toggle a[aria-current="page"] { background: var(--accent); color: var(--text); }
a:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }

nav a {
  text-decoration: none;
  font-weight: 650;
}

h1, h2, h3 { line-height: 1.25; }
h1 { margin: 0 0 10px; font-size: clamp(2rem, 7vw, 3.7rem); }
h2 { margin-top: 0; color: #c7bbff; }
h3 { margin-top: 28px; }

.eyebrow {
  color: var(--accent);
  font-size: .82rem;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.meta, .muted, footer { color: var(--muted); }
.language-links { margin-top: 20px; }
.language-links a { margin-right: 18px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.card { display: block; padding: 22px; text-decoration: none; }
.card strong { display: block; color: var(--text); font-size: 1.1rem; }
.card span { color: var(--muted); }

li + li { margin-top: 8px; }
code { color: #d9d1ff; overflow-wrap: anywhere; }

footer { padding: 28px 4px 0; text-align: center; font-size: .9rem; }

@media (max-width: 520px) {
  .shell { width: min(100% - 20px, 860px); padding-top: 10px; }
  header, section { border-radius: 14px; padding: 20px; }
}