:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --ink: #0f2437;
  --muted: #5b6b7c;
  --brand: #0b3d5c;
  --accent: #3dbe9a;
  --accent-dark: #2a9a7c;
  --line: #e3ebf3;
  --shadow: 0 12px 40px rgba(11, 61, 92, 0.08);
  --radius: 18px;
  --max: 1100px;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Ubuntu, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d9f3ea 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #d7e8f7 0%, transparent 50%),
    var(--bg);
  line-height: 1.6;
}
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--accent-dark); }
.container { width: min(100% - 2rem, var(--max)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(244, 247, 251, 0.85);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 0; gap: 1rem;
}
.logo {
  display: flex; align-items: center; gap: 0.7rem;
  font-weight: 700; color: var(--brand); letter-spacing: -0.02em;
}
.logo img { width: 36px; height: 36px; }
.nav-links { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--brand); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.4rem; border: 0; border-radius: 999px; padding: 0.75rem 1.25rem;
  font-weight: 700; cursor: pointer; transition: 0.2s ease;
}
.btn-primary { background: var(--accent); color: #053227; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--brand);
  border: 1px solid var(--line);
}
.hero {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2rem;
  padding: 3.5rem 0 2rem; align-items: center;
}
.badge {
  display: inline-block; background: #e8f8f2; color: #1d7a62;
  font-weight: 700; font-size: 0.8rem; padding: 0.35rem 0.7rem;
  border-radius: 999px; margin-bottom: 1rem;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15;
  margin: 0 0 1rem; letter-spacing: -0.03em;
}
.hero p.lead { color: var(--muted); font-size: 1.1rem; margin: 0 0 1.5rem; }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.hero-card {
  background: linear-gradient(160deg, var(--brand), #14557a 55%, #1a6f7a);
  color: #eef8ff; border-radius: 24px; padding: 1.6rem; box-shadow: var(--shadow);
}
.hero-card h3 { margin: 0 0 0.8rem; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.stat {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px; padding: 0.9rem;
}
.stat strong { display: block; font-size: 1.35rem; }
.stat span { font-size: 0.85rem; opacity: 0.85; }
.section { padding: 2.5rem 0; }
.section h2 {
  font-size: 1.8rem; margin: 0 0 0.5rem; letter-spacing: -0.02em;
}
.section .sub { color: var(--muted); margin: 0 0 1.6rem; max-width: 60ch; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.3rem; box-shadow: var(--shadow);
}
.card h3 { margin: 0.2rem 0 0.5rem; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }
.icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; background: #e8f8f2; color: #1d7a62;
  font-weight: 800;
}
.pricing {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.price-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 0.8rem;
}
.price-card.featured {
  border-color: var(--accent); transform: translateY(-6px);
  box-shadow: 0 18px 50px rgba(61, 190, 154, 0.18);
}
.price { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; }
.price small { font-size: 0.95rem; color: var(--muted); font-weight: 600; }
.price-card ul { margin: 0; padding-left: 1.1rem; color: var(--muted); flex: 1; }
.price-card li { margin: 0.35rem 0; }
.contact-box {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
form { display: grid; gap: 0.8rem; }
label { font-weight: 600; font-size: 0.9rem; }
input, textarea, select {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  padding: 0.75rem 0.9rem; font: inherit; background: #fff;
}
textarea { min-height: 120px; resize: vertical; }
.note { font-size: 0.85rem; color: var(--muted); }
.site-footer {
  margin-top: 2rem; border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem; color: var(--muted); font-size: 0.9rem;
}
.footer-grid {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
@media (max-width: 900px) {
  .hero, .grid-3, .pricing, .contact-box { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
}