/* Hoja de la web comercial. Sin estilos en línea (CSP estricta). Paleta propia, con contraste AA. */
:root{--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--brand:#1d4ed8;--on-brand:#fff;--bg:#fff;--soft:#f1f5f9}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}
.wrap{max-width:1050px;margin:0 auto;padding:0 20px}
.row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:10}
.top{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:5}
.top .row{padding-top:12px;padding-bottom:12px}
.brand{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--ink)}
.top nav,.foot nav{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.top nav a:not(.btn),.foot nav a{color:var(--ink);text-decoration:none}
.top nav a:not(.btn):hover,.foot nav a:hover{text-decoration:underline}
.btn{display:inline-block;background:var(--brand);color:var(--on-brand);border-radius:10px;padding:12px 22px;font-weight:700;text-decoration:none}
.btn.ghost{background:transparent;color:var(--brand);border:2px solid var(--brand)}
.btn.small{padding:6px 14px;font-size:.95rem}
:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}
.hero{background:var(--soft);padding:72px 0}
.hero h1{font-size:clamp(2rem,5vw,3rem);line-height:1.15;margin:0 0 16px;max-width:18ch}
.lead{font-size:1.2rem;color:var(--muted);max-width:52ch}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 0}
.block{padding:56px 20px}
.block h2{font-size:1.7rem;margin:0 0 20px}
.cards{list-style:none;margin:0;padding:0;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.cards li{border:1px solid var(--line);border-radius:14px;padding:20px}
.cards h3{margin:0 0 8px;font-size:1.1rem}
.cards p{margin:0;color:var(--muted)}
.plans .price{color:var(--ink);font-size:1.6rem;font-weight:800;margin:4px 0 8px}
.plans small{font-size:.9rem;font-weight:400;color:var(--muted)}
.steps{padding-left:1.2rem;max-width:60ch}.steps li{margin:8px 0}
.muted{color:var(--muted);font-size:.95rem}
.contact{background:var(--soft);border-radius:14px;margin-top:8px}
.narrow{max-width:760px}
.legal{white-space:pre-line}
.notice{border:1px solid var(--line);background:var(--soft);border-radius:10px;padding:12px 16px}
.dev{border-top:2px dashed var(--line)}
.foot{border-top:1px solid var(--line);padding:24px 0;margin-top:24px;color:var(--muted);font-size:.95rem}
.foot .row{align-items:flex-start}