* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; color: #0f172a; background: #ffffff; }
.container { max-width: 1200px; padding: 0 20px; margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.9); backdrop-filter: blur(8px); border-bottom: 1px solid #e5e7eb; }
.nav { display: flex; align-items: center; gap: 16px; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: #0f172a; font-weight: 700; }
.brand .logo { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; background: #dc2626; color: #fff; font-weight: 800; }
.brand-name { letter-spacing: 0.3px; }
.primary-nav { display: none; gap: 18px; }
.primary-nav a { color: #334155; text-decoration: none; font-weight: 500; }
.primary-nav a:hover { color: #0f172a; }
.cta-group { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 14px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.btn.solid { background: #dc2626; color: #fff; }
.btn.ghost { background: transparent; color: #0f172a; border: 1px solid #e5e7eb; }
.btn.outline { background: transparent; color: #dc2626; border: 2px solid #dc2626; }
.btn.solid:hover { background: #b91c1c; }
.btn.outline:hover { border-color: #b91c1c; color: #b91c1c; }
.btn.ghost:hover { border-color: #cbd5e1; }
.nav-toggle { display: inline-flex; font-size: 20px; padding: 6px 10px; border-radius: 8px; border: 1px solid #e5e7eb; background: #fff; }
.mobile-menu { display: grid; gap: 10px; padding: 14px 20px; border-bottom: 1px solid #e5e7eb; }
.mobile-menu a { color: #0f172a; text-decoration: none; font-weight: 600; }

.hero { background: radial-gradient(1000px 500px at 80% -10%, #fee2e2, rgba(255,255,255,0) 50%), #fff; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 30px; padding: 56px 0; }
.hero h1 { font-size: 40px; line-height: 1.1; margin: 0 0 12px; }
.lead { color: #475569; font-size: 18px; }
.store-ctas { display: flex; gap: 12px; margin: 22px 0 10px; }
.store-badge { border: 1px solid #e5e7eb; padding: 8px 12px; border-radius: 10px; text-decoration: none; color: #0f172a; font-weight: 700; }
.hero-bullets { color: #334155; margin-top: 6px; display: grid; gap: 6px; }
.hero-art { display: grid; place-items: center; }
.phone-frame { width: 280px; height: 540px; background: #0b1220; border-radius: 36px; position: relative; box-shadow: 0 20px 60px rgba(220,38,38,0.25), inset 0 0 0 8px #0b1220; border: 1px solid #e5e7eb; }
.phone-frame .screen { position: absolute; inset: 12px; border-radius: 28px; background: linear-gradient(180deg, #111827, #0b1220); padding: 16px; color: #fff; overflow: hidden; }
.brand-ribbon { position: absolute; top: 12px; left: 16px; font-weight: 800; letter-spacing: 0.4px; color: #fff; }
.card { margin-top: 60px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 16px; padding: 14px; }
.card-title { font-weight: 700; }
.card-sub { color: #cbd5e1; font-size: 14px; }
.sos { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); background: #dc2626; color: #fff; width: 120px; height: 120px; border-radius: 60px; display: grid; place-items: center; font-size: 28px; font-weight: 800; box-shadow: 0 10px 30px rgba(220,38,38,0.35); }
.pulse { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); width: 140px; height: 140px; border-radius: 70px; background: radial-gradient(circle, rgba(220,38,38,0.15), transparent 65%); animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: translateX(-50%) scale(0.9);} 50% { transform: translateX(-50%) scale(1.05);} 100% { transform: translateX(-50%) scale(0.9);} }

.features { padding: 64px 0; background: #fff; }
.features h2, .how h2, .pricing h2, .faq h2 { text-align: center; margin: 0 0 24px; font-size: 28px; }
.grid { display: grid; gap: 16px; }
.features-grid { grid-template-columns: 1fr; }
.feature { border: 1px solid #e5e7eb; border-radius: 16px; padding: 18px; background: #fff; }
.feature .icon { font-size: 24px; }

.how { padding: 64px 0; background: linear-gradient(180deg, #fff, #fff5f5); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; max-width: 720px; margin-inline: auto; }
.steps li { border: 1px solid #e5e7eb; border-radius: 12px; padding: 12px 14px; background: #fff; display: grid; }
.steps strong { margin-bottom: 4px; }
.steps span { color: #475569; }

.pricing { padding: 64px 0; background: #fff; }
.pricing-grid { grid-template-columns: 1fr; max-width: 900px; margin: 0 auto; }
.plan { border: 1px solid #e5e7eb; border-radius: 18px; padding: 20px; background: #fff; position: relative; }
.plan .plan-name { font-weight: 800; }
.plan .price { font-size: 28px; font-weight: 800; margin: 6px 0 12px; }
.plan ul { padding-left: 18px; color: #334155; }
.plan.featured { border-color: #dc2626; box-shadow: 0 10px 30px rgba(220,38,38,0.08); }
.plan .badge { position: absolute; top: -10px; right: 16px; background: #dc2626; color: #fff; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; }

.faq { padding: 64px 0; background: #fff; }
.accordion { max-width: 800px; margin: 0 auto; display: grid; gap: 10px; }
details { border: 1px solid #e5e7eb; border-radius: 12px; padding: 10px 14px; }
summary { cursor: pointer; font-weight: 700; }
details p { color: #334155; }

.site-footer { border-top: 1px solid #e5e7eb; background: #fafafa; padding: 24px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 16px; align-items: start; }
.line { display: inline-flex; align-items: center; gap: 10px; }
.muted { color: #64748b; }
.small { font-size: 12px; }
.site-footer nav { display: grid; gap: 8px; }
.site-footer nav a { color: #334155; text-decoration: none; }
.site-footer nav a:hover { color: #0f172a; }

@media (min-width: 880px) {
  .primary-nav { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none !important; }
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; align-items: center; }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}