:root {
  --bg: #0e1013;
  --bg-elev: #15181d;
  --bg-card: #1a1e24;
  --text: #e6e8ec;
  --muted: #9aa3ad;
  --accent: #39d0a8;
  --accent-strong: #2bb98f;
  --border: #262b33;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

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

.nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(14, 16, 19, 0.9);
  backdrop-filter: blur(8px);
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { font-weight: 700; font-size: 1.15rem; }
.nav nav a { color: var(--muted); margin-left: 20px; }
.nav nav a:hover { color: var(--text); text-decoration: none; }
.lang-switch {
  margin-left: 20px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  vertical-align: middle;
}
.lang-switch:hover { color: var(--text); border-color: var(--accent); }

.hero {
  max-width: 960px;
  margin: 0 auto;
  padding: 96px 24px 64px;
  text-align: center;
}
.hero h1 { font-size: 3rem; line-height: 1.15; margin: 0 0 20px; letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: 1.25rem; color: var(--muted); max-width: 640px; margin: 0 auto 32px; }
.hint { color: var(--muted); font-size: 0.9rem; margin-top: 20px; }

.cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--accent); color: #06231c; }
.btn.primary:hover { background: var(--accent-strong); }
.btn.ghost { border-color: var(--border); color: var(--text); }
.btn.ghost:hover { border-color: var(--accent); }

.section { max-width: 960px; margin: 0 auto; padding: 64px 24px; }
.section h2 { font-size: 1.8rem; letter-spacing: -0.01em; margin: 0 0 24px; }
.section.dark { background: var(--bg-elev); max-width: none; }
.section.dark > * { max-width: 960px; margin-left: auto; margin-right: auto; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}
.card h3 { margin: 0 0 10px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card code { color: var(--accent); font-size: 0.85em; }

.points { list-style: none; padding: 0; margin: 0; }
.points li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}
.points li:last-child { border-bottom: none; }
.points strong { color: var(--text); }

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

/* Policy page */
.policy { padding-top: 56px; }
.policy h1 { font-size: 2rem; margin: 0 0 8px; letter-spacing: -0.01em; }
.policy .updated { color: var(--muted); font-size: 0.9rem; margin: 0 0 8px; }
.policy h2 { font-size: 1.25rem; margin: 36px 0 12px; }
.policy p { color: var(--muted); }
.policy p strong { color: var(--text); }
.policy code { color: var(--accent); }

@media (max-width: 600px) {
  .hero h1 { font-size: 2.2rem; }
  .nav nav a { margin-left: 12px; }
}