:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #5f6b7a;
  --primary: #1769e0;
  --primary-dark: #0d47a1;
  --accent: #19b6a3;
  --border: #dce4ef;
  --soft: #eaf2ff;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
  --radius: 24px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7fbff 0%, var(--bg) 45%, #ffffff 100%);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(255,255,255,.82);
  border-bottom: 1px solid rgba(220,228,239,.75);
}
.nav {
  max-width: 1180px; margin: 0 auto; padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white; display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; box-shadow: 0 10px 30px rgba(23,105,224,.25);
}
.nav-links { display: flex; gap: 22px; font-weight: 600; color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--primary); }
.hero {
  max-width: 1180px; margin: 0 auto; padding: 72px 24px 54px;
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center;
}
.eyebrow { color: var(--primary); font-weight: 800; text-transform: uppercase; letter-spacing: .11em; font-size: 12px; margin: 0 0 14px; }
h1,h2,h3 { line-height: 1.12; letter-spacing: -.04em; margin-top: 0; }
h1 { font-size: clamp(42px, 6vw, 72px); margin-bottom: 22px; }
h2 { font-size: clamp(30px, 4vw, 48px); margin-bottom: 18px; }
h3 { font-size: 22px; margin-bottom: 10px; }
.lead { font-size: 20px; color: var(--muted); max-width: 720px; }
.hero-actions,.policy-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 24px; border-radius: 16px; font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { color: white; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); box-shadow: 0 16px 32px rgba(23,105,224,.24); }
.btn.secondary { color: var(--primary-dark); background: var(--soft); border: 1px solid rgba(23,105,224,.12); }
.btn.full { width: 100%; margin-top: 18px; }
.store-note { margin-top: 14px; color: var(--muted); font-size: 14px; }
.phone-card {
  width: min(390px,100%); margin: 0 auto; border-radius: 46px; background: #111827;
  padding: 16px; box-shadow: var(--shadow); border: 8px solid #1f2937;
}
.phone-top { width: 112px; height: 8px; border-radius: 99px; background: #374151; margin: 0 auto 14px; }
.app-preview { border-radius: 32px; padding: 24px; background: linear-gradient(180deg,#eef7ff,#fff); min-height: 520px; }
.notification-card {
  background: #fff; padding: 20px; border-radius: 22px; box-shadow: 0 12px 28px rgba(15,23,42,.10);
  border: 1px solid var(--border); margin-bottom: 22px;
}
.small-label { display:block; color:var(--accent); font-weight:800; font-size:12px; text-transform:uppercase; margin-bottom:8px; }
.notification-card strong { display:block; font-size:22px; margin-bottom:6px; }
.notification-card p,.card p,.feature p,.plan p,.policy-content p,.privacy-preview p,.cta p { color: var(--muted); }
.preview-list { display:grid; gap:12px; }
.preview-list div { background:#f8fbff; border:1px solid var(--border); padding:16px; border-radius:18px; }
.preview-list span { display:block; font-size:12px; color:var(--muted); font-weight:700; text-transform:uppercase; }
.preview-list b { display:block; margin-top:4px; }
.problem,.features,.comparison,.privacy-preview,.cta,.policy-page { max-width:1180px; margin:0 auto; padding:68px 24px; }
.section-heading { max-width:780px; margin-bottom:34px; }
.grid.three { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.card,.feature,.plan,.privacy-preview,.policy-hero,.policy-content {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(15,23,42,.06);
}
.card { padding:28px; }
.feature-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.feature { padding:24px; }
.icon {
  width:48px; height:48px; border-radius:16px; background:var(--soft);
  display:flex; align-items:center; justify-content:center; font-size:22px; margin-bottom:18px;
}
.pricing-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.plan { padding:32px; position:relative; }
.plan.featured { border:2px solid rgba(23,105,224,.28); box-shadow:var(--shadow); }
.badge {
  position:absolute; top:22px; right:22px; background:#e7fff9; color:#047667;
  border:1px solid rgba(25,182,163,.2); padding:6px 12px; border-radius:99px; font-weight:800; font-size:12px;
}
.plan-subtitle { margin-bottom:24px; }
.plan ul { margin:0; padding:0; list-style:none; display:grid; gap:14px; }
.plan li { padding-left:30px; position:relative; }
.plan li::before { content:"✓"; position:absolute; left:0; top:0; color:var(--accent); font-weight:900; }
.privacy-preview { display:flex; align-items:center; justify-content:space-between; gap:24px; }
.privacy-preview div { max-width:720px; }
.cta {
  text-align:center; background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:white; border-radius:36px; margin-bottom:50px;
}
.cta p { color:rgba(255,255,255,.82); max-width:680px; margin:0 auto 28px; }
.cta .btn.primary { background:white; color:var(--primary-dark); }
.footer { border-top:1px solid var(--border); padding:32px 24px; text-align:center; color:var(--muted); background:white; }
.footer a { color:var(--primary); font-weight:700; }
.policy-page { max-width:980px; }
.policy-hero,.policy-content { padding:36px; margin-bottom:24px; }
.policy-content h2 { font-size:26px; margin-top:34px; }
.policy-content h2:first-child { margin-top:0; }
@media (max-width: 960px) {
  .hero,.grid.three,.feature-grid,.pricing-grid { grid-template-columns:1fr; }
  .hero { padding-top:42px; }
  .privacy-preview { align-items:flex-start; flex-direction:column; }
  .nav { align-items:flex-start; flex-direction:column; }
  .nav-links { flex-wrap:wrap; }
}
@media (max-width:520px) {
  .hero,.problem,.features,.comparison,.privacy-preview,.policy-page { padding-left:18px; padding-right:18px; }
  h1 { font-size:38px; }
  .lead { font-size:18px; }
  .btn { width:100%; }
  .policy-hero,.policy-content,.card,.feature,.plan { padding:24px; }
  .app-preview { min-height:430px; }
}