:root {
  --bg: #ffffff;
  --text: #102131;
  --muted: #5a6b78;
  --line: #dce5eb;
  --brand: #0f7d8c;
  --brand-dark: #0c1c2b;
  --soft: #f3f7fa;
  --radius: 22px;
  --shadow: 0 18px 45px rgba(12, 28, 43, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), #1aa8a9); color: white; font-weight: 800;
}
.brand small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.nav { display: flex; gap: 24px; align-items: center; }
.nav a { font-size: 14px; color: var(--muted); }
.nav a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; font-size: 28px; }
.hero {
  background: radial-gradient(circle at top left, rgba(15,125,140,.25), transparent 35%), linear-gradient(135deg, #0c1c2b, #143449 58%, #0f7d8c);
  color: white; padding: 88px 0 72px;
}
.hero-grid, .split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; }
.eyebrow { display: inline-block; margin: 0 0 12px; letter-spacing: .18em; text-transform: uppercase; font-size: 12px; color: #b6eef1; font-weight: 700; }
.eyebrow.dark { color: var(--brand); }
h1, h2, h3 { line-height: 1.1; margin: 0 0 14px; }
h1 { font-size: clamp(38px, 6vw, 66px); max-width: 12ch; }
h2 { font-size: clamp(30px, 4vw, 48px); max-width: 15ch; }
h3 { font-size: 22px; }
.lead, .section p, .panel p, .card p { color: inherit; font-size: 18px; }
.hero .lead { max-width: 680px; color: rgba(255,255,255,.84); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px;
  border-radius: 14px; font-weight: 700; border: 1px solid transparent; transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: white; color: var(--brand-dark); }
.btn-secondary { background: transparent; color: white; border-color: rgba(255,255,255,.35); }
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat-card, .card, .panel, .mini-card, .contact-card, .feature-box {
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.stat-card {
  padding: 24px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
}
.stat-card strong { display: block; font-size: 34px; color: #d7fbff; }
.stat-card span { color: rgba(255,255,255,.8); }
.section { padding: 82px 0; }
.section-alt { background: var(--soft); }
.section-dark { background: var(--brand-dark); color: white; }
.section-dark p { color: rgba(255,255,255,.84); }
.cards { display: grid; gap: 20px; margin-top: 28px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card, .panel, .mini-card, .contact-card {
  background: white; padding: 26px; border: 1px solid var(--line);
}
.card p, .panel p, .mini-card span, .feature-box, .contact-card small, label { color: var(--muted); }
.card ul, .plain-list { padding-left: 18px; margin: 16px 0 0; }
.card li, .plain-list li { margin-bottom: 8px; color: var(--muted); }
.panel { background: linear-gradient(180deg, #f7fbfd, #eef5f8); }
.panel.accent { background: linear-gradient(180deg, #f0fbfd, #e2f6f8); }
.dark-panel, .dark-card {
  background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.1); color: white;
}
.dark-panel .plain-list li, .dark-card span { color: rgba(255,255,255,.8); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 26px; }
.feature-box { background: white; border: 1px solid var(--line); padding: 20px; }
.compact .mini-card { min-height: 100%; }
.mini-card { display: flex; flex-direction: column; gap: 6px; }
.small-card h3 { font-size: 20px; }
.contact-list { display: grid; gap: 10px; margin-top: 24px; }
.contact-list a, .contact-list span { color: var(--muted); font-weight: 600; }
.contact-card { display: grid; gap: 14px; }
.contact-card input, .contact-card textarea {
  width: 100%; margin-top: 8px; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; font: inherit;
}
.site-footer { border-top: 1px solid var(--line); background: #fbfdff; }
.footer-wrap { display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; color: var(--muted); font-size: 14px; }

@media (max-width: 980px) {
  .hero-grid, .split, .cards.three, .cards.two, .feature-grid { grid-template-columns: 1fr; }
  h1, h2 { max-width: none; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; left: 16px; right: 16px; top: 78px; display: none; flex-direction: column;
    padding: 18px; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .footer-wrap { flex-direction: column; }
  .section { padding: 68px 0; }
}