:root {
  --ink: #0c1c24;
  --deep: #071820;
  --water: #0e7490;
  --water-2: #155e75;
  --foam: #e7f4f6;
  --sand: #f6f1e8;
  --line: #d7e2e6;
  --muted: #5c6b73;
  --white: #ffffff;
  --accent: #c2410c;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--sand);
  line-height: 1.55;
}
a { color: var(--water-2); }
img { max-width: 100%; display: block; }
.wrap { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7, 24, 32, 0.96);
  color: white;
  backdrop-filter: blur(8px);
}
nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px; gap: 16px;
}
.logo {
  color: white; text-decoration: none; font-weight: 700; letter-spacing: 0.04em;
  font-size: 1.05rem;
}
.logo span { color: #7dd3e8; }
nav ul { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
nav a { color: #d7eef3; text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: white; }
.btn {
  display: inline-block; background: var(--water); color: white !important;
  text-decoration: none; padding: 12px 18px; border-radius: 999px; font-weight: 700;
}
.btn.dark { background: var(--deep); }
.btn.ghost { background: transparent; color: var(--deep) !important; border: 1px solid var(--line); }
.hero {
  background: radial-gradient(1200px 400px at 80% -10%, #164e63 0%, var(--deep) 55%);
  color: white; padding: 72px 0 64px;
}
.kicker { letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.78rem; color: #99e0ee; margin: 0 0 10px; }
h1 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.08; margin: 0 0 16px; font-weight: 700; }
.lede { font-size: 1.18rem; max-width: 640px; color: #d7eef3; }
.row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
section { padding: 56px 0; }
h2 { font-size: 1.9rem; margin: 0 0 10px; }
.sub { color: var(--muted); max-width: 640px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 24px; }
.card {
  background: white; border: 1px solid var(--line); border-radius: 16px; padding: 20px;
}
.card h3 { margin: 0 0 8px; }
.price { font-size: 1.6rem; font-weight: 700; color: var(--water-2); margin: 8px 0; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 20px; }
.step { background: white; border-left: 4px solid var(--water); padding: 14px 16px; border-radius: 10px; }
.step b { display: block; color: var(--water-2); }
.band { background: var(--foam); }
.note { font-size: 0.92rem; color: var(--muted); }
footer { background: var(--deep); color: #c9dde3; padding: 32px 0; font-size: 0.92rem; }
footer a { color: #99e0ee; }
.form { display: grid; gap: 12px; max-width: 520px; }
input, select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font: inherit;
}
.tag { display: inline-block; background: #fff3e8; color: #9a3412; border-radius: 999px; padding: 4px 10px; font-size: 0.8rem; font-weight: 700; }
@media (max-width: 720px) {
  nav .wrap { flex-direction: column; align-items: flex-start; padding: 12px 0; }
  nav ul { gap: 12px; }
}