:root{--bg:#0b1626;--panel:#13243b;--line:#2c4468;--txt:#eef3fa;--mut:#b7c6db;--acc:#ffd166;--ok:#2fbf71;--blue:#4c8dff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font:17px/1.6 "Segoe UI",Inter,system-ui,sans-serif}
a{color:var(--acc);text-underline-offset:4px}
:focus-visible{outline:3px solid var(--acc);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--acc);color:#14233a;padding:10px 14px;z-index:10}.skip:focus{left:8px;top:8px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px max(16px,calc((100vw - 1040px)/2));border-bottom:1px solid var(--line)}
.brand{font-weight:900;letter-spacing:.12em}.tag{font-size:13px;color:var(--mut);border:1px solid var(--line);border-radius:999px;padding:4px 12px}
main{max-width:1040px;margin:0 auto;padding:32px 16px 64px;display:grid;gap:40px}
.eyebrow{margin:0;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc);font-weight:700}
h1{font-size:clamp(32px,6vw,56px);line-height:1.08;margin:8px 0 12px;letter-spacing:-.03em}
h2{font-size:clamp(22px,3.4vw,30px);margin:0 0 12px}
.lead{font-size:clamp(18px,2.4vw,22px);color:var(--mut);max-width:62ch;margin:0 0 22px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--txt);font:inherit;font-weight:700;text-decoration:none;cursor:pointer}
.btn.primary{background:var(--acc);color:#14233a;border-color:var(--acc)}
.btn.big{min-height:60px;font-size:18px;padding:14px 26px}
.cred,.ejercicio,.flujo{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px}
.cred-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.cred-card{background:#0f1c2e;border:1px solid var(--line);border-radius:14px;padding:16px}
.cred-card h3{margin:0 0 8px}.cred-card small{color:var(--mut);font-weight:400;margin-left:6px}
.cred-card label{display:block;font-size:13px;color:var(--mut);margin-top:8px}
.copy{display:flex;gap:8px}.copy input{flex:1;min-width:0;font:inherit;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#0b1626;color:#fff}.copy button{min-width:84px;min-height:44px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:#fff;font:inherit;font-weight:700;cursor:pointer}
.note{color:var(--mut);margin:12px 0 0}
.ej-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center}
.aviso{background:#3b2b00;border:1px solid #7a5a00;color:#ffe9a8;border-radius:10px;padding:10px 14px}
.pasos{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:p}
.pasos li{background:#0f1c2e;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.pasos label{display:flex;gap:12px;align-items:center;cursor:pointer;font-weight:700;font-size:18px}
.pasos input{width:26px;height:26px;accent-color:var(--ok);flex:none}
.pasos li.hecho{border-color:var(--ok)}.pasos li.hecho .t{text-decoration:line-through;opacity:.8}
.pasos p{margin:6px 0 0 38px;color:var(--mut)}.pasos em{color:#fff;font-style:normal;border-bottom:1px dotted var(--acc)}
.datos{font-size:14px}
.fin{background:#0d3d27;border:1px solid var(--ok);border-radius:12px;padding:14px;margin-top:14px}
.cadena{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;counter-reset:c}
.cadena li{position:relative;background:#0f1c2e;border:1px solid var(--line);border-radius:14px;padding:14px;opacity:1}
.cadena li::before{counter-increment:c;content:counter(c);position:absolute;top:-12px;left:12px;width:26px;height:26px;border-radius:50%;background:var(--blue);display:grid;place-items:center;font-size:13px;font-weight:800}
.cadena b{display:block;margin-bottom:4px}.cadena span{color:var(--mut);font-size:15px}
.js .cadena li{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .cadena li.in{opacity:1;transform:none}
footer{border-top:1px solid var(--line);padding:24px 16px 40px;text-align:center;color:var(--mut);font-size:14px}
footer p{margin:6px 0}
@media(max-width:600px){.btn.big{width:100%}.pasos p{margin-left:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .cadena li{opacity:1;transform:none;transition:none}}
body.grabacion{font-size:20px}body.grabacion .btn{min-height:56px}