:root {
  --bg-body: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-hover: #334155;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-heading: #f1f5f9;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --border: #334155;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: #60a5fa; }

/* ==================== NAV ==================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-heading);
}
.nav-logo svg { flex-shrink: 0; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient);
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 10px 20px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
  color: white;
}

/* ==================== HERO ==================== */
.hero {
  padding: 140px 24px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient);
  color: white;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 14px 32px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: white;
}
.hero-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==================== SECTIONS ==================== */
section {
  padding: 80px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-heading);
  text-align: center;
  margin-bottom: 12px;
}
.section-sub {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 48px;
  font-size: 1rem;
}

/* ==================== FEATURES ==================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.1);
}
.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
  display: block;
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ==================== HOW IT WORKS ==================== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.2rem;
  color: white;
  margin-bottom: 16px;
}
.step h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
}
.step p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ==================== PRIVACY ==================== */
.privacy-section {
  text-align: center;
}
.privacy-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}
.privacy-bullets {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}
.privacy-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 18px;
  font-size: 0.85rem;
  color: var(--text-main);
}

/* ==================== SHORTCUTS ==================== */
.shortcuts-table {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  border-collapse: collapse;
}
.shortcuts-table th,
.shortcuts-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.shortcuts-table th {
  font-weight: 600;
  color: var(--text-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.shortcuts-table td {
  color: var(--text-main);
  font-size: 0.9rem;
}
kbd {
  display: inline-block;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-heading);
}

/* ==================== FOOTER ==================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer-links a:hover { color: var(--accent); }
.footer-made {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ==================== PRIVACY PAGE ==================== */
.privacy-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}
.privacy-page h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}
.privacy-page .effective-date {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 0.9rem;
}
.privacy-page h2 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-top: 32px;
  margin-bottom: 12px;
}
.privacy-page p,
.privacy-page ul {
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 16px;
}
.privacy-page ul {
  padding-left: 20px;
}
.privacy-page strong {
  color: var(--text-heading);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .hero h1 { font-size: 1.8rem; }
  .shortcuts-table { font-size: 0.8rem; }
  .shortcuts-table th, .shortcuts-table td { padding: 10px 12px; }
}