:root {
  --bg: #0f1419;
  --surface: #1a222c;
  --border: #2a3544;
  --text: #e8eef4;
  --muted: #8b9aaf;
  --accent: #2d9cdb;
  --accent-dim: #1e6fa3;
  --radius: 12px;
  --font: "Outfit", "Inter", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(45, 156, 219, 0.18), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(30, 111, 163, 0.12), transparent);
}

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.site {
  text-align: center;
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.brand {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.35rem;
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.lang-switch {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.lang-switch a {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
  text-decoration: none;
}
.lang-switch a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem;
  margin-bottom: 1.5rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
}

.card h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
}

.card p,
.card li {
  margin: 0.5rem 0;
  color: var(--text);
}

.card ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.card li {
  margin: 0.35rem 0;
}

.meta {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

footer.site {
  text-align: center;
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .wrap {
    padding: 2.5rem 2rem 5rem;
  }
  .card {
    padding: 1.75rem 1.75rem;
  }
}