:root {
  --bg: #050b14;
  --card: #0c1928;
  --text: #f4f8fc;
  --muted: #9aabbd;
  --cyan: #29d9ff;
  --border: rgba(255, 255, 255, 0.08);
  --max: 920px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5, 11, 20, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.lang-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  font-size: 13px;
}

.lang-switch a {
  color: var(--muted);
  padding: 4px 6px;
}

.lang-switch a[aria-current="page"] {
  color: var(--cyan);
  font-weight: 700;
}

.hero, section, footer { padding: 48px 0; }

.eyebrow {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 2.7rem);
  line-height: 1.2;
  margin: 0 0 16px;
}

h2 {
  font-size: 1.45rem;
  margin: 0 0 14px;
}

h3 { margin: 0 0 8px; font-size: 1.05rem; }

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

.lede { font-size: 1.08rem; max-width: 46rem; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.btn-primary {
  background: var(--cyan);
  color: #031018;
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
}

.note {
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--muted);
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

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

ol { padding-left: 1.2rem; }

details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

summary { cursor: pointer; font-weight: 700; }

details p { margin: 10px 0 0; }

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 16px;
}

.fact-list {
  margin: 18px 0 0;
  padding: 4px 8px 4px 1.3rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}

.fact-list li { margin: 10px 0; }
.fact-list strong { color: var(--text); }

.ip-status { color: var(--text); font-weight: 700; }

.protect-banner {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid #ff8d8d;
  background: #3a1420;
  animation: protect-pulse 1.8s ease-in-out infinite;
}

.protect-banner[hidden] { display: none; }
.protect-banner p { color: #ffe8e8; }

#ai-answers article {
  margin: 0 0 22px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

@keyframes protect-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 120, 120, 0.45); }
  50% { box-shadow: 0 0 0 10px rgba(255, 120, 120, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .protect-banner { animation: none; }
}

@media (max-width: 640px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .hero, section, footer { padding: 36px 0; }
}