:root {
  color-scheme: dark;
  --bg: #0f0f14;
  --panel: #171720;
  --text: #f7f7fb;
  --muted: #b8b8c7;
  --line: #2a2a36;
  --accent: #ff4fa3;
  --accent-2: #7c5cff;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 79, 163, 0.18), transparent 34rem),
    radial-gradient(circle at top right, rgba(124, 92, 255, 0.16), transparent 30rem),
    var(--bg);
  line-height: 1.6;
}

a {
  color: #ff8bc4;
}

.wrap {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: rgba(15, 15, 20, 0.74);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
}

.brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.hero {
  padding: 78px 0 52px;
}

.eyebrow {
  color: #ffb1d8;
  font-weight: 700;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1;
  margin: 0 0 18px;
  letter-spacing: 0;
}

h2 {
  margin-top: 36px;
  margin-bottom: 10px;
  font-size: 26px;
}

h3 {
  margin-top: 24px;
  margin-bottom: 8px;
  font-size: 19px;
}

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

.lead {
  max-width: 720px;
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 28px 0 48px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 23, 32, 0.78);
  padding: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  text-decoration: none;
  font-weight: 750;
}

.lang-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}

.lang-switch a {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  padding: 8px 13px;
  text-decoration: none;
}

.lang-switch a.active {
  background: rgba(255, 79, 163, 0.16);
  border-color: rgba(255, 79, 163, 0.55);
  color: var(--text);
}

main {
  padding-bottom: 64px;
}

.doc {
  padding: 48px 0 64px;
}

.notice {
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  background: rgba(255, 79, 163, 0.08);
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 52px;
  }
}