/* Mobile-first, fast, conversion-focused styles */
:root {
  --bg: #0a0f1c;
  --panel: #0b1220;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --brand: #22d3ee;
  --brand-2: #818cf8;
  --accent: #34d399;
  --danger: #ef4444;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.6);
  --radius: 14px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 10% -10%, rgba(56,189,248,0.08), transparent),
              radial-gradient(900px 600px at 100% 0%, rgba(129,140,248,0.08), transparent),
              var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 40; backdrop-filter: saturate(140%) blur(8px); background: rgba(10,15,28,0.6); border-bottom: 1px solid rgba(255,255,255,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; letter-spacing: 0.2px; background: linear-gradient(90deg, var(--brand-2), var(--brand)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav { display: none; gap: 18px; align-items: center; }
.nav-link { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav-link:hover { color: var(--text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; border-radius: 999px; padding: 10px 16px; font-weight: 600; transition: transform .06s ease, background .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-small { padding: 8px 14px; font-size: 14px; }
.btn-large { padding: 14px 22px; font-size: 16px; }
.btn-primary { background: linear-gradient(90deg, var(--brand-2), var(--brand)); color: #0b1020; box-shadow: var(--shadow); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { border: 1px solid rgba(255,255,255,0.14); color: var(--text); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { background: rgba(255,255,255,0.06); }

/* Hero */
.hero { padding: 72px 0 28px; }
.hero-inner { display: grid; gap: 32px; align-items: center; }
.hero-copy h1 { font-size: 34px; line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.02em; }
.hero-copy p { color: var(--muted); margin: 0 0 16px; font-size: 16px; }
.cta-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.subtext { color: var(--muted); font-size: 14px; }
.trust-badges { display: flex; align-items: center; gap: 14px; color: var(--muted); margin-top: 16px; flex-wrap: wrap; }
.trust-badges .stars { color: #fbbf24; letter-spacing: 2px; }
.trust-badges .divider { width: 1px; height: 18px; background: rgba(255,255,255,0.1); display: none; }
.hero-visual { display: flex; justify-content: center; }
.phone-mock { width: 100%; max-width: 320px; filter: drop-shadow(0 30px 40px rgba(2,6,23,0.6)); }

/* Features */
.feature { padding: 44px 0; }
.feature-inner { display: grid; gap: 28px; align-items: center; }
.feature-copy h2 { font-size: 24px; margin: 0 0 10px; letter-spacing: -0.01em; }
.feature-copy p { color: var(--muted); margin: 0; }
.card-mock { width: 100%; max-width: 520px; border-radius: var(--radius); box-shadow: var(--shadow); }
.feature-alt .feature-inner { }

/* Final CTA */
.final-cta { padding: 56px 0 72px; background: radial-gradient(800px 400px at 50% -10%, rgba(34,211,238,0.08), transparent), linear-gradient(180deg, rgba(129,140,248,0.06), rgba(2,6,23,0.0)); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.final-cta h2 { font-size: 28px; margin: 0 0 10px; }
.final-cta p { color: var(--muted); margin: 0 0 18px; }
.social-proof { margin-top: 20px; display: grid; gap: 12px; }
.proof-item { color: var(--muted); }
.proof-item .stars { color: #fbbf24; letter-spacing: 2px; margin-right: 8px; }

/* Footer */
.site-footer { padding: 22px 0; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-nav a { color: var(--muted); text-decoration: none; margin-left: 14px; }
.footer-nav a:hover { color: var(--text); }

/* Medium screens */
@media (min-width: 720px) {
  .nav { display: flex; }
  .hero { padding: 96px 0 28px; }
  .hero-inner { grid-template-columns: 1.1fr 0.9fr; }
  .hero-copy h1 { font-size: 48px; }
  .feature-inner { grid-template-columns: 1fr 1fr; }
  .trust-badges .divider { display: block; }
}

/* Large screens */
@media (min-width: 1024px) {
  .hero-copy h1 { font-size: 56px; }
  .feature { padding: 64px 0; }
  .feature-copy h2 { font-size: 32px; }
}

/* Motion */
@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}