:root { --ink:#1b1f23; --muted:#4a5560; --brand:#0b4f6c; --brand-dark:#073a50; --accent:#b8470b; --bg:#ffffff; --soft:#f2f6f8; --line:#d0d9de; }
  * { box-sizing: border-box; }
  html { font-size: 100%; }
  body { margin:0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color:var(--ink); background:var(--bg); line-height:1.6; }
  a { color: var(--brand); text-underline-offset: 2px; }
  a:hover { color: var(--brand-dark); }
  :focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
  .skip-link { position:absolute; left:-9999px; top:0; background:var(--ink); color:#fff; padding:.75rem 1rem; z-index:10; }
  .skip-link:focus { left: 1rem; top: 1rem; }
  .wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.25rem; }
  header.site { border-bottom:1px solid var(--line); }
  header.site .wrap { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1rem; padding-top:1rem; padding-bottom:1rem; }
  .logo { font-weight:800; font-size:1.4rem; color:var(--ink); text-decoration:none; letter-spacing:-.01em; }
  .logo span { color: var(--brand); }
  nav ul { list-style:none; display:flex; flex-wrap:wrap; gap:1.25rem; margin:0; padding:0; }
  .hero { background: var(--soft); padding: 3.5rem 0 3rem; }
  .hero h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); line-height:1.2; margin:0 0 1rem; max-width: 46rem; }
  .hero p.lead { font-size:1.2rem; color:var(--muted); max-width: 44rem; margin:0 0 1.5rem; }
  .btn { display:inline-block; background:var(--brand); color:#fff; padding:.85rem 1.4rem; border-radius:.4rem; font-weight:700; text-decoration:none; }
  .btn:hover { background: var(--brand-dark); color:#fff; }
  .btn.secondary { background:#fff; color:var(--brand); border:2px solid var(--brand); }
  .cta-row { display:flex; flex-wrap:wrap; gap:1rem; align-items:center; }
  section { padding: 3rem 0; }
  section + section { border-top: 1px solid var(--line); }
  h2 { font-size: 1.75rem; line-height:1.25; margin: 0 0 1rem; }
  h3 { font-size: 1.2rem; margin: 0 0 .5rem; }
  .facts { display:grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; margin-top: 1.5rem; }
  .fact { border:1px solid var(--line); border-radius:.5rem; padding:1.25rem; background:#fff; }
  .fact strong { display:block; font-size:1.35rem; color: var(--brand-dark); }
  .cards { display:grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); gap:1.25rem; margin-top:1.5rem; }
  .card { border:1px solid var(--line); border-radius:.5rem; padding:1.5rem; display:flex; flex-direction:column; }
  .card .price { font-weight:800; font-size:1.25rem; color: var(--ink); margin: .25rem 0 .75rem; }
  .card ul { padding-left: 1.2rem; margin: 0 0 1rem; }
  .card.featured { border: 2px solid var(--brand); }
  .tag { display:inline-block; background: var(--brand); color:#fff; font-size:.85rem; font-weight:700; padding:.15rem .6rem; border-radius: 1rem; margin-bottom:.5rem; }
  ol.steps { padding-left: 1.4rem; }
  ol.steps li { margin-bottom: .75rem; }
  .note { background: var(--soft); border-left: 4px solid var(--brand); padding: 1rem 1.25rem; margin: 1.5rem 0 0; }
  details { border:1px solid var(--line); border-radius:.4rem; padding: .75rem 1rem; margin-bottom: .75rem; }
  summary { font-weight:700; cursor:pointer; }
  footer { background: var(--ink); color: #f3f5f7; padding: 2rem 0; }
  footer a { color: #ffffff; }
  .small { font-size: .95rem; color: var(--muted); }
  footer .small { color: #d5dbe0; }