:root {
  --bg: #0a0a0f;
  --surface: #14141c;
  --surface-2: #1c1c28;
  --border: #2a2a3a;
  --text: #f0f0f5;
  --text-dim: #9090a5;
  --accent: #7c5cff;
  --accent-dim: #5a3fd8;
  --max-width: 960px;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

header .logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

header .logo img {
  width: 28px;
  height: 28px;
  display: block;
}

.lang-switch {
  display: flex;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.lang-switch a {
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
}

.lang-switch a.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

.hero {
  padding: 3rem 0 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

section { margin: 3rem 0; }

section h2 {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 0.75rem; }
.card .links { display: flex; gap: 0.75rem; font-size: 0.85rem; }

article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

article h1 { font-size: 1.75rem; margin-bottom: 0.25rem; }
article .meta { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 1.5rem; }
article h2 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; border: none; padding: 0; }
article p, article ul { margin-bottom: 1rem; color: var(--text-dim); }
article ul { padding-left: 1.5rem; }
article strong { color: var(--text); }

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: auto;
}

footer a { color: var(--text-dim); margin: 0 0.5rem; }

@media (max-width: 600px) {
  .hero h1 { font-size: 1.8rem; }
  main { padding: 1rem; }
  article { padding: 1.25rem; }
}