:root {
  --blue: #1570ef;
  --blue-dark: #0b4fd0;
  --blue-deep: #062a6f;
  --sky: #e8f2ff;
  --sky-2: #f4f8ff;
  --white: #ffffff;
  --ink: #102033;
  --muted: #5b6b82;
  --line: #d7e4f5;
  --shadow: 0 18px 40px rgba(21, 112, 239, 0.12);
  --radius: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  background: var(--sky-2);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1160px, calc(100% - 36px)); margin: 0 auto; }

header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 78px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .02em; }
.brand svg { width: 38px; height: 38px; }
.nav-links { display: flex; gap: 4px; list-style: none; align-items: center; }
.nav-links a {
  padding: 8px 13px; border-radius: 999px; color: var(--muted); font-weight: 600; font-size: .94rem;
}
.nav-links a:hover, .nav-links a.active { background: var(--sky); color: var(--blue-dark); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 18px; border-radius: 999px; font-weight: 700; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: linear-gradient(180deg, #2b86ff, var(--blue)); color: #fff; box-shadow: 0 10px 22px rgba(21,112,239,.28); }
.btn-ghost { background: #fff; border-color: var(--line); color: var(--blue-dark); }
.btn:hover { transform: translateY(-1px); }
.burger { display: none; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 8px 10px; cursor: pointer; }

.hero {
  padding: 72px 0 36px;
  background:
    radial-gradient(circle at 85% 10%, rgba(21,112,239,.16), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, var(--sky-2) 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.eyebrow {
  display: inline-block; background: var(--sky); color: var(--blue-dark);
  font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 999px; margin-bottom: 16px;
}
h1, h2, h3 { font-family: "Sora", "Manrope", sans-serif; line-height: 1.15; }
h1 { font-size: clamp(2.3rem, 5vw, 4rem); margin-bottom: 16px; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: 10px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 54ch; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 34px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
.stat b { display: block; color: var(--blue); font-size: 1.3rem; }

.panel {
  background: #fff; border: 1px solid var(--line); border-radius: 28px;
  box-shadow: var(--shadow); overflow: hidden;
}
.panel-top {
  background: linear-gradient(135deg, #1570ef, #49a0ff);
  color: #fff; padding: 22px;
}
.panel-body { padding: 22px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.25); padding: 6px 10px; border-radius: 999px; font-size: .85rem; }
.fake-ui { display: grid; gap: 10px; }
.row { display: flex; justify-content: space-between; align-items: center; background: var(--sky-2); border-radius: 14px; padding: 12px 14px; }
.badge { background: #dbebff; color: var(--blue-dark); border-radius: 999px; padding: 3px 8px; font-size: .78rem; font-weight: 800; }

section { padding: 72px 0; }
.section-head { max-width: 640px; margin-bottom: 28px; }
.muted { color: var(--muted); }

.grid-3, .grid-2, .grid-4 { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 10px 24px rgba(16,32,51,.04);
}
.icon {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center; background: var(--sky); color: var(--blue); margin-bottom: 14px; font-weight: 800;
}
.price { font-size: 2rem; font-weight: 800; color: var(--blue-deep); }
.price span { font-size: 1rem; color: var(--muted); font-weight: 600; }
.list { list-style: none; display: grid; gap: 8px; margin: 16px 0 22px; color: var(--muted); }
.list li::before { content: "✓ "; color: var(--blue); font-weight: 800; }
.featured { border: 2px solid var(--blue); position: relative; }
.featured::after {
  content: "Хит"; position: absolute; top: 14px; right: 14px;
  background: var(--blue); color: #fff; border-radius: 999px; padding: 3px 8px; font-size: .75rem; font-weight: 800;
}

.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px;
}
.faq { display: grid; gap: 10px; }
details summary { cursor: pointer; font-weight: 700; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details p { color: var(--muted); margin-top: 8px; }

form { display: grid; gap: 12px; }
input, textarea, select {
  width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; font: inherit; background: #fff;
}
textarea { min-height: 130px; resize: vertical; }
.note { display: none; color: #157a4b; font-weight: 700; }
.note.show { display: block; }

footer { border-top: 1px solid var(--line); background: #fff; padding: 36px 0; color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .burger { display: block; }
  .nav-links {
    display: none; position: absolute; top: 78px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; padding: 12px 18px 18px;
  }
  .nav-links.open { display: flex; }
}