:root {
  --bg: #f6f8fb;
  --text: #162032;
  --muted: #64748b;
  --blue: #246bfe;
  --cyan: #0ca6c8;
  --green: #29a36a;
  --card: #ffffff;
  --line: #dfe7f2;
  --shadow: 0 20px 55px rgba(20, 40, 80, .12);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: var(--bg); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
header { background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(10px); }
.nav { min-height: 72px; display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; gap: 12px; align-items: center; }
.logo img { width: 44px; height: 44px; }
.logo b { display: block; font-size: 22px; }
.logo span { font-size: 13px; color: var(--muted); }
nav { display: flex; gap: 22px; color: var(--muted); font-weight: 700; }
.hero { padding: 76px 0 58px; background: radial-gradient(circle at 16% 16%, rgba(36,107,254,.16), transparent 34%), radial-gradient(circle at 88% 14%, rgba(12,166,200,.18), transparent 34%), linear-gradient(180deg, #fff, #f6f8fb); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; }
.badge { display: inline-flex; padding: 8px 13px; border-radius: 999px; background: #eaf2ff; color: #1559d6; font-size: 14px; font-weight: 800; }
.badge.light { background: rgba(255,255,255,.12); color: #d8e7ff; }
h1 { margin: 18px 0; font-size: clamp(36px, 5vw, 64px); line-height: 1.02; letter-spacing: -1.8px; }
h2 { margin: 12px 0 18px; font-size: clamp(28px, 3vw, 42px); line-height: 1.1; }
.lead { font-size: 20px; color: var(--muted); }
.buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn { padding: 14px 20px; border-radius: 14px; background: var(--blue); color: #fff; font-weight: 800; box-shadow: 0 12px 28px rgba(36,107,254,.24); }
.btn.secondary { background: #fff; color: var(--blue); border: 1px solid var(--line); box-shadow: none; }
.hero-img { padding: 18px; background: #fff; border-radius: 30px; box-shadow: var(--shadow); }
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 38px 0 64px; }
.services article, .card, .contact-card { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 24px; box-shadow: 0 12px 32px rgba(20,40,80,.06); }
.services img { width: 74px; height: 74px; margin-bottom: 12px; }
.services p, .card p, .contacts p { color: var(--muted); }
.dark { padding: 64px 0; background: #101c33; color: #fff; }
.tariffs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.card { color: var(--text); }
.card.main { border: 2px solid var(--green); transform: translateY(-6px); }
.card strong { display: block; margin: 12px 0; font-size: 34px; color: var(--blue); }
.card b { display: block; margin-top: 18px; font-size: 24px; }
.contacts { padding: 70px 0; display: grid; grid-template-columns: 1fr .75fr; gap: 24px; align-items: center; }
footer { padding: 28px 0; background: #0e172a; color: #b7c3d8; }
footer .wrap { display: flex; gap: 16px; justify-content: space-between; flex-wrap: wrap; }
@media (max-width: 820px) {
  nav { display: none; }
  .hero-grid, .services, .tariffs, .contacts { grid-template-columns: 1fr; }
  .card.main { transform: none; }
  .hero { padding-top: 42px; }
}