:root {
  --navy: #17263f;
  --navy-dark: #101b2e;
  --accent: #3d6fb4;
  --text: #2b3442;
  --muted: #5c6a7d;
  --line: #dfe5ec;
  --bg: #ffffff;
  --bg-soft: #f4f7fa;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

.site-header {
  background: var(--navy);
  color: #fff;
  border-bottom: 3px solid var(--accent);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px;
}
.logo {
  font-size: 20px; font-weight: 700; letter-spacing: 0.5px; color: #fff;
}
.logo span { color: #8fb3e2; }
.logo:hover { text-decoration: none; }
.nav { display: flex; gap: 22px; flex-wrap: wrap; }
.nav a { color: #cfdcee; font-size: 15px; }
.nav a[aria-current="page"] { color: #fff; font-weight: 600; }
.nav a:hover { color: #fff; text-decoration: none; }

.hero {
  background: var(--navy-dark);
  color: #eaf1fa;
  padding: 64px 0;
}
.hero h1 { font-size: 32px; line-height: 1.25; margin-bottom: 14px; font-weight: 700; }
.hero p { max-width: 640px; color: #b9c9de; font-size: 17px; }
.hero .btn {
  display: inline-block; margin-top: 24px; background: var(--accent); color: #fff;
  padding: 11px 24px; border-radius: 4px; font-weight: 600; font-size: 15px;
}
.hero .btn:hover { background: #2f5c9c; text-decoration: none; }

main { padding: 48px 0 56px; }
section { margin-bottom: 40px; }
h2 { font-size: 22px; color: var(--navy); margin-bottom: 14px; }
h3 { font-size: 17px; color: var(--navy); margin-bottom: 6px; }
p + p { margin-top: 10px; }
.lead { font-size: 17px; color: var(--muted); max-width: 680px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 20px; }
.card {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 6px;
  padding: 20px;
}
.card p { color: var(--muted); font-size: 15px; }

.price-table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 15px; }
.price-table th, .price-table td {
  text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line);
}
.price-table th { background: var(--bg-soft); color: var(--navy); font-weight: 600; }
.price-table td:last-child, .price-table th:last-child { text-align: right; white-space: nowrap; }

.contact-block { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 6px; padding: 24px; max-width: 560px; }
.contact-block p { margin-bottom: 8px; }
.contact-block strong { color: var(--navy); }

.site-footer {
  background: var(--navy-dark); color: #9fb2ca; font-size: 14px;
  padding: 26px 0; margin-top: 20px;
}
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.site-footer a { color: #cdd9ea; }

.notfound { text-align: center; padding: 90px 0; }
.notfound h1 { font-size: 44px; color: var(--navy); margin-bottom: 12px; }

@media (max-width: 560px) {
  .hero { padding: 44px 0; }
  .hero h1 { font-size: 26px; }
  .nav { gap: 14px; }
}