:root {
  color-scheme: light;
  --bg: #f3f7fb;
  --ink: #10233f;
  --muted: #58677c;
  --line: #d7e1ed;
  --surface: #ffffff;
  --primary: #176fc1;
  --primary-dark: #0b4d8c;
  --accent: #f0bd2f;
  --success: #16835a;
}

* { box-sizing: border-box; }

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

body { margin: 0; min-height: 100vh; }
a { color: var(--primary-dark); text-decoration-thickness: 0.09em; text-underline-offset: 0.18em; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); text-decoration: none; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: var(--primary); color: #fff; }
.nav-links { display: flex; gap: 16px; flex-wrap: wrap; justify-content: flex-end; font-size: 0.94rem; font-weight: 650; }

.hero, .page { max-width: 980px; margin: 0 auto; padding: 64px 22px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr); gap: 34px; align-items: center; }
.eyebrow { color: var(--primary-dark); font-size: 0.82rem; font-weight: 800; text-transform: uppercase; }
.eyebrow.light { color: #a9d5ff; }
h1 { margin: 14px 0 16px; font-size: clamp(2.3rem, 7vw, 4.7rem); line-height: 0.98; letter-spacing: -0.04em; }
h2 { margin: 34px 0 12px; font-size: clamp(1.45rem, 3vw, 2rem); letter-spacing: -0.02em; }
.screen h2 { margin-top: 10px; color: #fff; }
p, li { color: var(--muted); line-height: 1.65; }
.lead { font-size: 1.12rem; max-width: 680px; }
.actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--line); border-radius: 10px; font-weight: 750; text-decoration: none; }
.button.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.button.secondary { background: var(--surface); color: var(--ink); }

.phone-panel { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 18px; box-shadow: 0 24px 70px rgba(26, 54, 91, 0.16); }
.screen { min-height: 420px; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 16px; color: #fff; background: linear-gradient(155deg, #10233f, #176fc1); }
.screen p { color: rgba(255, 255, 255, 0.78); }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.metric { padding: 12px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 10px; }
.metric strong { display: block; font-size: 1.3rem; }
.metric span { color: rgba(255, 255, 255, 0.7); font-size: 0.78rem; }
.question-card { margin-top: 22px; padding: 16px; border-radius: 12px; background: rgba(255, 255, 255, 0.11); }
.answer { margin-top: 10px; padding: 12px; border-radius: 9px; background: var(--success); font-weight: 750; }

.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 36px; }
.feature, .notice, .doc-section { padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.feature strong { display: block; margin-bottom: 8px; }
.doc-section { margin: 16px 0; }
.doc-section h2 { margin-top: 0; }
.notice { border-left: 5px solid var(--accent); }
.legal-meta { color: var(--muted); font-size: 0.95rem; }
.site-footer { padding: 28px 22px; border-top: 1px solid var(--line); color: var(--muted); text-align: center; }

@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .hero, .page { padding-top: 42px; }
  .hero-grid, .feature-grid { grid-template-columns: 1fr; }
  .screen { min-height: 340px; }
}