:root {
  --bg: #0a0a0f;
  --bg-card: #14141f;
  --bg-card-hover: #1a1a2a;
  --text: #e8e8f0;
  --text-secondary: #8888a0;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --border: rgba(255,255,255,0.06);
  --radius: 16px;
  --max-w: 720px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10,10,15,0.8);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo span {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.lang-switch {
  display: inline-flex;
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  overflow: hidden;
  margin-left: 8px;
}

.lang-switch a {
  padding: 4px 10px !important;
  font-size: 13px !important;
  border-radius: 0 !important;
  margin: 0;
}

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

/* Hero */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 36px;
}

.hero h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

.badge-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 13px;
  color: var(--text-secondary);
}

.badge svg {
  width: 16px;
  height: 16px;
}

/* Features */
.features {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
}

.feature-card .icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Content Pages */
.content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.content h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.content .updated {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 40px;
}

.content h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 36px 0 12px;
  padding-top: 12px;
}

.content p, .content li {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.content ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.content a {
  color: var(--accent-light);
  text-decoration: none;
}

.content a:hover {
  text-decoration: underline;
}

/* Support Page */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0;
}

.support-card {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.2s;
}

.support-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99,102,241,0.3);
}

.support-card .icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.support-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.support-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

.support-card a {
  color: var(--accent-light);
  text-decoration: none;
  font-size: 14px;
}

.faq-item {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* Responsive */
@media (max-width: 600px) {
  .hero h1 { font-size: 28px; }
  .features { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 12px; }
  .nav-links a:not(.lang-switch a) { display: none; }
}