:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --ink: #101828;
  --muted: #5d6678;
  --line: #d9e0ea;
  --brand: #115e59;
  --brand-2: #0f766e;
  --accent: #f59e0b;
  --shadow: 0 24px 70px rgba(16, 24, 40, .12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, rgba(20, 184, 166, .14), transparent 32%), var(--bg);
  color: var(--ink);
  font: 16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--brand); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 14px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; font-size: 13px; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.site-nav a { padding: 9px 12px; border-radius: 999px; color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 650; }
.site-nav a:hover, .site-nav a.active { background: #e8f7f5; color: var(--brand); }
.menu-button { display: none; }
main { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); align-items: center; gap: 48px; min-height: 680px; padding: 72px 0; }
.eyebrow { margin: 0 0 12px; color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.08; margin: 0 0 18px; }
h1 { font-size: clamp(42px, 6vw, 76px); letter-spacing: -.055em; }
h2 { font-size: clamp(26px, 3vw, 38px); letter-spacing: -.035em; }
p { margin: 0 0 16px; color: var(--muted); }
.lead { max-width: 760px; font-size: 20px; color: #344054; }
.hero-actions, .policy-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px; border: 0; border-radius: 14px; font-weight: 800; text-decoration: none; cursor: pointer; }
.button.primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; box-shadow: 0 12px 26px rgba(17, 94, 89, .22); }
.button.secondary { background: #fff; color: var(--brand); border: 1px solid var(--line); }
.device-card { width: min(100%, 430px); margin-inline: auto; padding: 44px 34px; border-radius: 42px; background: linear-gradient(155deg, #111827, #030712); box-shadow: var(--shadow); }
.device-screen { min-height: 190px; display: grid; align-content: center; gap: 10px; padding: 28px; border-radius: 28px; background: linear-gradient(135deg, #d1fae5, #ecfeff); color: #064e3b; }
.device-screen span { font-size: 14px; text-transform: uppercase; letter-spacing: .12em; }
.device-screen strong { font-size: 34px; }
.device-buttons { display: flex; justify-content: center; gap: 24px; margin-top: 30px; }
.device-buttons span { width: 58px; height: 58px; border-radius: 50%; background: #374151; border: 1px solid #4b5563; }
.trust-grid, .product-grid, .support-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0 0 64px; }
.trust-grid article, .product-card, .support-grid article, .content-card, .contact-form { background: rgba(255, 255, 255, .92); border: 1px solid var(--line); border-radius: 28px; padding: 28px; box-shadow: 0 16px 48px rgba(16, 24, 40, .06); }
.trust-grid h2, .support-grid h2 { font-size: 22px; }
.section, .page-hero { padding: 72px 0 42px; }
.two-column { display: grid; grid-template-columns: .8fr 1fr; gap: 42px; align-items: start; }
.page-hero h1 { max-width: 940px; font-size: clamp(38px, 5vw, 64px); }
.page-hero p { max-width: 820px; font-size: 18px; }
.product-card { display: flex; flex-direction: column; }
.product-card h2 { font-size: 28px; }
.product-card strong { margin: 6px 0 14px; font-size: 24px; color: var(--brand); }
.product-card .button { margin-top: auto; }
.product-visual { height: 170px; margin-bottom: 22px; border-radius: 26px; background: linear-gradient(135deg, #111827 0 55%, #14b8a6); }
ul { color: var(--muted); padding-left: 22px; }
.check-list li { margin-bottom: 10px; }
.content-card { margin-bottom: 64px; }
.content-card h2 { margin-top: 26px; font-size: 26px; }
.content-card h2:first-child { margin-top: 0; }
.compliance-list li { margin-bottom: 8px; }
.policy-links a { padding: 12px 14px; border-radius: 12px; background: #e8f7f5; font-weight: 800; text-decoration: none; }
.contact-layout { display: grid; grid-template-columns: 1fr 380px; gap: 22px; margin-bottom: 64px; }
.contact-form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; color: var(--ink); font-weight: 700; }
input, select, textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: 14px; font: inherit; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(20, 184, 166, .22); border-color: var(--brand-2); }
.form-note { padding: 12px 14px; border-radius: 14px; background: #fffbeb; color: #92400e; }
.legal { margin-top: 72px; }
.legal h1 { font-size: clamp(34px, 4vw, 54px); }
.site-footer { display: flex; justify-content: space-between; gap: 28px; margin-top: 64px; padding: 36px clamp(20px, 5vw, 72px); border-top: 1px solid var(--line); background: #fff; }
.site-footer p { margin-bottom: 6px; font-size: 14px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 12px; align-content: start; justify-content: flex-end; }

@media (max-width: 900px) {
  .menu-button { display: inline-flex; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff; font-weight: 800; }
  .site-header { align-items: flex-start; }
  .site-nav { display: none; position: absolute; left: 20px; right: 20px; top: 74px; padding: 14px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
  .site-nav.open { display: grid; }
  .hero, .two-column, .contact-layout { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .trust-grid, .product-grid, .support-grid { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
  .site-footer nav { justify-content: flex-start; }
}