:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --ink: #081421;
  --muted: #4b5f73;
  --line: #d8e0ea;
  --primary: #10243a;
  --primary-2: #1d3a5c;
  --accent: #c9902d;
  --accent-2: #f1c76b;
  --ok: #167150;
  --shadow: 0 18px 50px rgba(8, 20, 33, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a { color: inherit; }
img { max-width: 100%; height: auto; }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 6px;
  z-index: 20;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 249, 252, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 18px;
}
.brand img { display: block; width: 210px; }
.nav-links { display: flex; align-items: center; gap: 18px; color: var(--muted); font-weight: 700; font-size: 14px; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; }
.btn.primary { background: var(--accent); color: #111; }
.btn.dark { background: var(--primary); color: #fff; }
.btn.ghost { border-color: var(--line); background: #fff; color: var(--primary); }

.hero {
  background:
    linear-gradient(135deg, rgba(8,20,33,.98), rgba(29,58,92,.96)),
    radial-gradient(circle at 75% 20%, rgba(215,168,74,.24), transparent 38%);
  color: #fff;
  padding: 82px 0 58px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 48px;
}
.eyebrow {
  display: inline-flex;
  border: 1px solid rgba(241,199,107,.45);
  color: #f7d488;
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 800;
  font-size: 13px;
  margin: 0 0 18px;
}
h1, h2, h3 { line-height: 1.1; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(36px, 6vw, 66px); max-width: 820px; }
.hero p { color: #d8e4f2; font-size: 19px; max-width: 650px; }
.hero-actions, .section-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; }
.proof div { border-left: 3px solid var(--accent); padding-left: 13px; color: #d8e4f2; }
.proof strong { display: block; color: #fff; font-size: 21px; }
.screen {
  background: #f8fafc;
  color: var(--ink);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.18);
}
.screen img { border-radius: 6px; background: var(--primary); }
.signal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.signal span { background: #eef3f8; border: 1px solid var(--line); border-radius: 6px; padding: 10px; font-size: 13px; font-weight: 800; text-align: center; }

section { padding: 74px 0; }
.section-head { max-width: 780px; margin-bottom: 32px; }
.section-head p { color: var(--muted); font-size: 18px; }
.kicker { color: var(--accent); font-weight: 900; text-transform: uppercase; font-size: 13px; margin-bottom: 10px; }
h2 { font-size: clamp(29px, 4vw, 44px); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(8,20,33,.05);
}
.card h3 { font-size: 21px; margin-bottom: 10px; }
.card p, .step p, .faq p { color: var(--muted); margin-bottom: 0; }
.icon {
  width: 42px;
  height: 42px;
  border-radius: 6px;
  background: #edf2f7;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.icon svg { width: 24px; height: 24px; stroke: var(--primary); }

.band { background: #eef3f8; }
.devices { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.device { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px 12px; text-align: center; font-weight: 800; }

.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; align-items: start; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
.plan.featured { border-color: rgba(201,144,45,.7); }
.plan-head { padding: 26px; background: var(--primary); color: #fff; }
.plan-head p { color: #d8e4f2; margin-bottom: 0; }
.price-table { display: grid; gap: 10px; padding: 18px; }
.price-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}
.price-row strong { font-size: 20px; }
.price-row .btn { min-height: 42px; padding: 9px 13px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: steps; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 24px; position: relative; }
.step::before {
  counter-increment: steps;
  content: counter(steps);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--accent);
  color: #111;
  font-weight: 900;
  margin-bottom: 16px;
}

.faq-list { display: grid; gap: 12px; }
.faq { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.faq h3 { font-size: 19px; }

.final-cta { background: var(--primary); color: #fff; }
.final-cta p { color: #d8e4f2; font-size: 18px; max-width: 720px; }
.site-footer { background: #07111d; color: #d8e4f2; padding: 54px 0 22px; border-top: 3px solid var(--accent); }
.footer-main { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 42px; padding-bottom: 38px; }
.footer-logo { color: #fff; font-size: 25px; font-weight: 900; text-decoration: none; }
.footer-brand p, .footer-trust p { color: #aebfd1; max-width: 360px; margin: 14px 0 18px; }
.footer-contact { color: #f7d488; font-weight: 900; text-decoration: none; }
.footer-nav { display: grid; gap: 9px; align-content: start; }
.footer-nav strong, .footer-trust strong { color: #fff; margin-bottom: 3px; }
.footer-nav a, .footer-trust a { color: #d8e4f2; text-decoration: none; }
.footer-nav a:hover, .footer-trust a:hover, .footer-contact:hover { color: #f7d488; }
.footer-bottom { border-top: 1px solid rgba(216,228,242,.18); padding-top: 18px; display: flex; justify-content: space-between; gap: 18px; color: #91a6bc; font-size: 13px; }

@media (max-width: 860px) {
  .hero-grid, .pricing-grid { grid-template-columns: 1fr; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .devices { grid-template-columns: repeat(2, 1fr); }
  .nav { align-items: flex-start; padding: 14px 0; }
  .nav-links { flex-wrap: wrap; justify-content: flex-end; }
  .proof { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .brand img { width: 178px; }
  .nav { display: block; }
  .nav-links { margin-top: 12px; justify-content: flex-start; }
  .hero { padding-top: 54px; }
  .price-row { grid-template-columns: 1fr; }
  .price-row .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { display: grid; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto; transition: none !important; }
}