:root {
  --ink: #0f1a2b;
  --muted: #5a6577;
  --line: #e3e7ee;
  --bg: #ffffff;
  --soft: #f5f7fa;
  --brand: #1f4fd8;
  --brand-dark: #163aa3;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--brand); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

header { border-bottom: 1px solid var(--line); background: #fff; }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; }
.logo img { width: 30px; height: 30px; }
nav { display: flex; gap: 20px; flex-wrap: wrap; }
nav a { color: var(--ink); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--brand); }

.hero { background: var(--soft); padding: 80px 0 72px; }
.hero h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.15; margin: 0 0 18px; max-width: 760px; }
.hero p { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.btn { display: inline-block; background: var(--brand); color: #fff; padding: 13px 24px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.btn:hover { background: var(--brand-dark); }
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); margin-left: 8px; }

section { padding: 64px 0; }
section h2 { font-size: 30px; margin: 0 0 12px; }
.lead { color: var(--muted); max-width: 680px; margin: 0 0 36px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 26px; background: #fff; }
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p, .card li { color: var(--muted); font-size: 15px; }
.card ul { padding-left: 18px; margin: 12px 0 0; }
.price { font-size: 28px; font-weight: 700; color: var(--ink); margin: 10px 0 4px; }
.price small { font-size: 15px; font-weight: 400; color: var(--muted); }
.alt { background: var(--soft); }
.steps { counter-reset: s; }
.steps .card h3::before { counter-increment: s; content: counter(s) ". "; color: var(--brand); }

.doc { max-width: 780px; padding: 56px 20px 72px; margin: 0 auto; }
.doc h1 { font-size: 34px; margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 32px; }
.doc h2 { font-size: 21px; margin: 34px 0 10px; }
.doc p, .doc li { color: #2b3443; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 10px; text-align: left; vertical-align: top; }
th { background: var(--soft); }

footer { border-top: 1px solid var(--line); background: var(--soft); padding: 40px 0; font-size: 14px; color: var(--muted); }
footer .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
footer a { color: var(--muted); display: block; text-decoration: none; margin: 4px 0; }
footer a:hover { color: var(--brand); }
footer strong { color: var(--ink); }
footer .copy { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 18px; }

@media (max-width: 600px) {
  .hero { padding: 56px 0; }
  .btn.ghost { margin: 10px 0 0; }
  section { padding: 48px 0; }
}