:root {
  --bg: #f6f8fb;
  --bg-soft: #eef3f8;
  --card: #ffffff;
  --text: #172033;
  --muted: #5d697c;
  --line: #dbe3ee;
  --primary: #0b3d5c;
  --primary-2: #135f85;
  --accent: #12a3b8;
  --shadow: 0 18px 45px rgba(12, 34, 57, 0.10);
  --radius: 22px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 42%, #ffffff 100%);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }

.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,0.88);
  border-bottom: 1px solid rgba(219,227,238,0.9);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  display: grid;
  place-items: center;
  font-weight: 800;
  box-shadow: 0 10px 25px rgba(18, 163, 184, 0.22);
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.nav-links { display: flex; align-items: center; gap: 18px; font-size: 15px; color: var(--muted); }
.nav-links a:hover { color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: white;
  font-weight: 700;
  border: 1px solid var(--primary);
  box-shadow: 0 10px 26px rgba(11,61,92,0.18);
}

.btn.secondary {
  background: white;
  color: var(--primary);
  border-color: var(--line);
  box-shadow: none;
}

.hero {
  padding: 78px 0 52px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 46px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: #e7f7fa;
  color: var(--primary-2);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.025em; }
h1 { font-size: clamp(38px, 6vw, 68px); }
h2 { font-size: clamp(28px, 4vw, 44px); }
h3 { font-size: 22px; }

.lead { font-size: 20px; color: var(--muted); max-width: 680px; }

.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.hero-card {
  border-radius: 32px;
  background: linear-gradient(145deg, var(--primary), #052335);
  color: white;
  padding: 34px;
  min-height: 460px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-card::before, .hero-card::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 24px;
  transform: rotate(-8deg);
}
.hero-card::before { inset: 72px 34px 80px 72px; }
.hero-card::after { inset: 128px 96px 36px 34px; }

.model-lines {
  position: relative;
  z-index: 1;
  height: 260px;
  margin-top: 28px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.18);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 26px 26px;
}

.stat-row { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.stat { padding: 16px; border-radius: 18px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.12); }
.stat strong { display: block; font-size: 22px; }
.stat span { color: rgba(255,255,255,0.72); font-size: 13px; }

.section { padding: 62px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 760px; margin-bottom: 30px; }
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 12px 32px rgba(12,34,57,0.06);
}
.card p, .card li { color: var(--muted); }
.card ul { margin: 16px 0 0; padding-left: 20px; }
.icon { width: 42px; height: 42px; border-radius: 14px; background: #e7f7fa; color: var(--primary-2); display: grid; place-items: center; font-weight: 800; margin-bottom: 18px; }

.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 34px; align-items: start; }
.note { border-left: 4px solid var(--accent); background: white; padding: 20px 24px; border-radius: 16px; color: var(--muted); }

.cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  border-radius: 30px;
  padding: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta p { color: rgba(255,255,255,0.78); margin: 0; max-width: 620px; }
.cta .btn { background: white; color: var(--primary); border-color: white; }

.footer { padding: 38px 0; border-top: 1px solid var(--line); color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.footer a { color: var(--primary); }

.form { display: grid; gap: 14px; }
label { font-weight: 700; }
input, textarea {
  width: 100%;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font: inherit;
  background: white;
}
textarea { min-height: 150px; resize: vertical; }

@media (max-width: 900px) {
  .hero-grid, .split, .grid, .grid.two { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .nav-links { flex-wrap: wrap; gap: 12px 16px; }
  .hero { padding-top: 42px; }
  .hero-card { min-height: 360px; }
  .cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .container { width: min(100% - 28px, 1120px); }
  .stat-row { grid-template-columns: 1fr; }
  .card, .cta, .hero-card { padding: 24px; }
}