:root{--tinta:#071523;--panel:rgba(16,42,64,.42);--linea:rgba(151,199,224,.14);--texto:#eaf3f9;--apagado:#9cb1c2;--cian:#3fc6e4;--cian-claro:#8be2f4;--cian-tinta:#05121d;--radio:18px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--tinta);color:var(--texto);font-family:Inter,system-ui,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}h1,h2,.marca-nombre,.precio-cifra,.eyebrow{font-family:Space Grotesk,sans-serif}.fondo{position:fixed;inset:0;z-index:-1;pointer-events:none;background:var(--tinta)}.fondo:before{content:"";position:absolute;inset:-20%;background:radial-gradient(42% 34% at 22% 18%,rgba(63,198,228,.12),transparent 65%),radial-gradient(36% 30% at 82% 72%,rgba(63,198,228,.07),transparent 70%);animation:deriva 48s ease-in-out infinite alternate}.fondo:after{content:"";position:absolute;inset:0;opacity:.5;background:linear-gradient(rgba(151,199,224,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(151,199,224,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(80% 60% at 50% 22%,#000 0%,transparent 100%)}@keyframes deriva{0%{transform:translate3d(-2.5%,-1.5%,0) scale(1)}to{transform:translate3d(2.5%,2%,0) scale(1.06)}}.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px clamp(20px,5vw,56px);border-bottom:1px solid var(--linea);background:#071523b8;backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}.marca{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--texto)}.marca-logo{width:34px;height:34px;border-radius:9px;flex:0 0 auto;display:grid;place-items:center;background:linear-gradient(150deg,#123a55,#0a2237);border:1px solid rgba(139,226,244,.35);color:var(--cian-claro);font-family:Space Grotesk,sans-serif;font-weight:700;font-size:17px}.marca-nombre{font-weight:600;letter-spacing:.14em;font-size:15px}.marca-nombre 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p{font-size:13.5px;color:var(--apagado);line-height:1.55}.beneficios{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px 28px;max-width:920px}.beneficios li{display:flex;gap:14px;align-items:flex-start;font-size:16px;line-height:1.5;padding:16px 0;border-bottom:1px solid var(--linea)}.beneficios .flecha{color:var(--cian);flex:0 0 auto;margin-top:3px}.cierre{border:1px solid var(--linea);border-radius:var(--radio);background:linear-gradient(180deg,#14304866,#0a1c2d80);padding:clamp(36px,6vw,56px);text-align:center}.cierre h2{margin:0 auto 8px;max-width:none}.cierre-precio{color:var(--apagado);font-size:15px;margin-bottom:26px}.cierre .btn{display:inline-block;min-width:280px}footer{border-top:1px solid var(--linea);margin-top:clamp(56px,8vw,88px);padding:26px clamp(20px,5vw,56px);font-size:12.5px;color:var(--apagado);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}footer a{color:var(--apagado)}footer a:hover{color:var(--texto)}:focus-visible{outline:2px solid var(--cian);outline-offset:3px;border-radius:6px}@media(max-width:900px){.hero,.beneficios{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.fondo:before{animation:none}.hero-copy,.ventana{animation:none;opacity:1;transform:none}.tarjeta,.btn{transition:none}html{scroll-behavior:auto}}