:root { --ink: #16181d; --muted: #5b6270; --line: #e2e5ea; --brand: #1d4ed8; --bg: #fff; --soft: #f5f7fb; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--brand); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
.brand b { background: var(--brand); color: #fff; border-radius: 6px; padding: 1px 7px; margin-right: 6px; }
nav.main a { margin-left: 16px; text-decoration: none; color: var(--ink); font-weight: 500; }
.btn { display: inline-block; background: var(--brand); color: #fff !important; text-decoration: none; padding: 12px 22px; border-radius: 10px; font-weight: 600; }
.btn.ghost { background: #fff; color: var(--brand) !important; border: 1px solid var(--brand); }
.hero { padding: 56px 0 36px; }
.hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.15; margin: 0 0 14px; }
.hero p.lead { font-size: 20px; color: var(--muted); max-width: 720px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 8px; }
.fine { color: var(--muted); font-size: 14px; }
section { padding: 36px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 28px; margin: 0 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card { background: var(--soft); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
ol.steps { padding-left: 22px; } ol.steps li { margin: 8px 0; }
.price { font-size: 32px; font-weight: 700; }
details { border-bottom: 1px solid var(--line); padding: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); }
footer.foot { padding: 30px 0; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
article h1 { font-size: 36px; line-height: 1.15; }
article h2 { font-size: 24px; margin-top: 34px; }
article p, article li { max-width: 760px; }
article code, article kbd { background: var(--soft); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; font-size: 15px; }
article table { border-collapse: collapse; margin: 14px 0; font-size: 15px; }
article th, article td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
.note { background: #fff7ed; border: 1px solid #fed7aa; border-radius: 8px; padding: 10px 14px; }
.disclaimer { font-size: 13px; color: var(--muted); }
@media (max-width: 600px) { nav.main a { margin-left: 10px; font-size: 15px; } }