:root {
  --bg: #f4f6f1;
  --card: #ffffff;
  --ink: #17201a;
  --muted: #4b5a50;
  --line: #dfe5dc;
  --brand: #1f6b45;
  --brand-ink: #ffffff;
  --soft: #e6efe7;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}
a { color: var(--brand); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

header.top { border-bottom: 1px solid var(--line); background: var(--card); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; }
.logo svg { flex: none; }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--ink); }

.btn {
  display: inline-block; padding: 13px 22px; border-radius: 10px; background: var(--brand);
  color: var(--brand-ink); font-weight: 600; text-decoration: none; font-size: 16px;
}
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }

.hero { padding-top: 64px; padding-bottom: 48px; }
.hero h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.12; margin: 0 0 16px; max-width: 760px; }
.hero p { font-size: 19px; color: var(--muted); max-width: 680px; margin: 0 0 28px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }

section { padding: 40px 0; }
section h2 { font-size: 28px; margin: 0 0 20px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.step { font-weight: 700; color: var(--brand); font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
.price { font-size: 30px; font-weight: 700; margin: 6px 0 8px; }
.note { color: var(--muted); font-size: 15px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { background: var(--soft); border-radius: 999px; padding: 6px 12px; font-size: 15px; }

.contact { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.contact p { margin: 4px 0; }

footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); margin-right: 16px; }

.doc { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 28px; margin: 32px 0; }
.doc h1 { font-size: 32px; margin: 0 0 4px; }
.doc h2 { font-size: 20px; margin: 28px 0 8px; }
.doc p, .doc li { color: #2d3a31; }

@media (max-width: 640px) {
  nav a:not(.btn) { display: none; }
  .hero { padding-top: 40px; padding-bottom: 32px; }
  .doc { padding: 20px; }
}