/* Zuku — Shared Web Styles */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700&display=swap');

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

:root {
  --black: #000000;
  --card: #141414;
  --surface: #0d0d0d;
  --surface-alt: #1a1a1a;
  --divider: #2a2a2a;
  --volt: #a3ff00;
  --volt-dim: #72b200;
  --text-primary: #f2f2f2;
  --text-secondary: #9e9e9e;
  --text-muted: #5a5a5a;
  --error: #ff4d4d;
}

html,
body {
  background-color: var(--black);
  color: var(--text-primary);
  font-family: 'Lexend', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Navigation ────────────────────────────────────────────────────────────── */

nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--volt);
  letter-spacing: -0.5px;
  text-decoration: none;
}
.nav-logo:hover {
  text-decoration: none;
  opacity: 0.85;
}

.nav-links {
  display: flex;
  gap: 24px;
}
.nav-links a {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--text-secondary);
  text-decoration: none;
}

/* ── Container ─────────────────────────────────────────────────────────────── */

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

/* ── Typography ─────────────────────────────────────────────────────────────── */

h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 40px;
}

h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 36px 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--divider);
  letter-spacing: 0.3px;
}

p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: 14px;
}

ul,
ol {
  color: var(--text-secondary);
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 14px;
}

li {
  margin-bottom: 6px;
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ── Badge ─────────────────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  background: rgba(163, 255, 0, 0.12);
  color: var(--volt);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

/* ── Card ──────────────────────────────────────────────────────────────────── */

.card {
  background: var(--card);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.card p {
  margin-bottom: 0;
  font-size: 13px;
}

/* ── Highlight ─────────────────────────────────────────────────────────────── */

.highlight {
  background: rgba(163, 255, 0, 0.05);
  border: 1px solid rgba(163, 255, 0, 0.18);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 24px 0;
}

.highlight p {
  color: var(--text-primary);
  margin: 0;
  font-size: 14px;
}

/* ── Warning ───────────────────────────────────────────────────────────────── */

.warning {
  background: rgba(255, 77, 77, 0.06);
  border: 1px solid rgba(255, 77, 77, 0.2);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 24px 0;
}

.warning p {
  color: #ff8080;
  margin: 0;
  font-size: 14px;
}

/* ── Feature grid (index) ──────────────────────────────────────────────────── */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 32px 0;
}

@media (max-width: 480px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 20px;
}

.feature-icon {
  font-size: 22px;
  margin-bottom: 10px;
}

.feature-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.feature-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

/* ── Hero (index) ──────────────────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 64px 24px 40px;
  max-width: 540px;
  margin: 0 auto;
}

.hero-logo {
  font-size: 48px;
  font-weight: 700;
  color: var(--volt);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 22px;
  margin-bottom: 12px;
}

/* ── FAQ (help) ────────────────────────────────────────────────────────────── */

.faq-item {
  border-bottom: 1px solid var(--divider);
  padding: 20px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-q {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.faq-a {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* ── Footer ─────────────────────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--divider);
  padding: 24px;
  text-align: center;
}

footer p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

footer a {
  color: var(--text-muted);
  margin: 0 8px;
  font-size: 12px;
}

footer a:hover {
  color: var(--text-secondary);
}