:root{--azul:#0b308f;--azul2:#2563eb;--cielo:#21b5e5;--oro:#f6b33b;--fondo:#f3f6fc;--texto:#14213d;--suave:#5b6b8c;--linea:#e1e8f7}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--texto);background:var(--fondo);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--azul2)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
.narrow{max-width:720px}
/* barra superior */
.bar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
.bar .wrap{display:flex;align-items:center;gap:12px;height:58px}
.bar .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--azul);font-weight:800;letter-spacing:.2px}
.bar .brand img{height:36px;width:36px;border-radius:9px;display:block}.bar .brand small{font-weight:600;color:var(--suave);font-size:13px;margin-left:2px}@media(max-width:420px){.bar .brand small{display:none}}
.bar .back{margin-left:auto;text-decoration:none;font-weight:600;font-size:14.5px;color:var(--azul)}
.lang{display:flex;gap:2px;background:#eaf0fd;border-radius:999px;padding:3px;margin-left:auto}
.bar .back + .lang{margin-left:10px}
.lang button{border:0;background:transparent;color:var(--azul);font:700 12.5px inherit;font-family:inherit;padding:6px 11px;border-radius:999px;cursor:pointer;letter-spacing:.4px}
.lang button.on{background:var(--azul);color:#fff;box-shadow:0 2px 6px rgba(11,48,143,.3)}
/* portada */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#3b82f6 0,transparent 60%),linear-gradient(160deg,#0b2a7a 0%,#0b308f 45%,#1d56d8 100%);color:#fff;padding:34px 0 86px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:46px;background:var(--fondo);border-radius:46px 46px 0 0}
.hero .logo-card{background:#fff;border-radius:26px;padding:10px;box-shadow:0 18px 50px rgba(5,18,70,.45);max-width:520px;margin:0 auto}
.hero .logo-card img{display:block;width:100%;height:auto;border-radius:18px}
.hero p.intro{max-width:600px;margin:26px auto 0;text-align:center;font-size:18px;color:#e6eeff}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:18px 0 0}
.chips span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:6px 14px;border-radius:999px;font-size:13.5px;font-weight:600}
/* opciones */
.opciones{display:grid;grid-template-columns:1fr;gap:14px;margin:-52px 0 8px;position:relative;z-index:2}
@media(min-width:700px){.opciones{grid-template-columns:1fr 1fr}}
.op{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--linea);border-radius:20px;padding:18px;text-decoration:none;color:var(--texto);box-shadow:0 10px 28px rgba(11,48,143,.12);transition:transform .15s,box-shadow .15s}
.op:hover,.op:active{transform:translateY(-3px);box-shadow:0 16px 34px rgba(11,48,143,.2)}
.op .ic{flex:0 0 58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--azul),var(--azul2));color:#fff}
.op.video .ic{background:linear-gradient(135deg,#f08c00,var(--oro))}
.op .ic svg{width:30px;height:30px}
.op b{display:block;font-size:18.5px;color:var(--azul);line-height:1.25}
.op span.d{display:block;font-size:14.5px;color:var(--suave)}
.op .fl{margin-left:auto;color:var(--azul2);font-size:26px;font-weight:700}
/* secciones */
section.bloque{padding:30px 0 6px}
h1{font-size:30px;color:var(--azul);margin:26px 0 4px;letter-spacing:-.3px}
h2{font-size:24px;color:var(--azul);margin:0 0 4px;letter-spacing:-.2px}
p.lead{color:var(--suave);margin:0 0 16px}
.galeria{display:flex;gap:18px;overflow-x:auto;padding:10px 20px 22px;margin:0 -20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.galeria figure{margin:0;flex:0 0 220px;scroll-snap-align:center}
.galeria img{width:220px;height:auto;display:block;border-radius:24px;box-shadow:0 12px 30px rgba(11,48,143,.25)}
.galeria figcaption{font-size:14px;margin-top:10px;text-align:center;font-weight:700;color:var(--azul)}
.pasos{counter-reset:p;list-style:none;padding:0;margin:14px 0}
.pasos li{counter-increment:p;background:#fff;border:1px solid var(--linea);border-radius:16px;padding:15px 16px 15px 66px;margin:10px 0;position:relative;box-shadow:0 4px 12px rgba(11,48,143,.05)}
.pasos li::before{content:counter(p);position:absolute;left:16px;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--azul),var(--azul2));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.pasos li b{color:var(--azul)}
.caja{background:#fff;border:1px solid var(--linea);border-left:6px solid var(--oro);border-radius:14px;padding:14px 16px;margin:16px 0}
.caja.azul{border-left-color:var(--cielo)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--azul),var(--azul2));color:#fff;text-decoration:none;font-weight:700;font-size:17px;border:0;border-radius:14px;padding:14px 22px;cursor:pointer;box-shadow:0 8px 20px rgba(37,99,235,.35)}
.btn[hidden]{display:none}
.btn.sec{background:#fff;color:var(--azul);border:2px solid var(--azul);box-shadow:none}
.btn.grande{width:100%}
.acciones{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.manual{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--linea);border-radius:16px;padding:14px 16px;margin:10px 0;text-decoration:none;color:var(--texto);box-shadow:0 4px 12px rgba(11,48,143,.05);transition:transform .12s}
.manual:hover{transform:translateY(-2px)}
.manual .pdf{flex:0 0 46px;height:54px;border-radius:8px;background:#fdeaea;color:#c62828;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.manual b{display:block;color:var(--azul)}
.manual span{font-size:14px;color:var(--suave)}
.nota{font-size:13.5px;color:var(--suave);margin:2px 0 0}
.icon-inline{display:inline-block;width:1.25em;height:1.25em;vertical-align:-.25em}
.abrir{text-align:center;margin:22px 0 0;font-size:14.5px;color:var(--suave)}
footer{margin:44px 0 0;padding:26px 0 30px;text-align:center;font-size:13.5px;color:#cfd9f3;background:#0b2a7a}
footer a{color:#fff}
footer img{height:44px;width:44px;border-radius:11px;margin-bottom:8px}
.aviso{background:#fff8e6;border:2px solid var(--oro);border-radius:18px;padding:16px 18px;margin:18px 0;box-shadow:0 8px 22px rgba(246,179,59,.25)}.aviso[hidden]{display:none}.aviso>b{display:block;font-size:19px;color:var(--azul)}.aviso p{margin:6px 0}
.aviso.ok{background:#eaf7ee;border-color:#2e9e5b;box-shadow:0 8px 22px rgba(46,158,91,.25)}.flecha{position:fixed;left:50%;bottom:70px;transform:translateX(-50%);z-index:20;background:var(--azul);color:#fff;padding:8px 18px;border-radius:14px;font-weight:700;text-align:center;box-shadow:0 8px 22px rgba(11,48,143,.45);animation:bote 1s infinite}.flecha::after{content:"⬇";display:block;font-size:26px;line-height:1.1}.flecha[hidden]{display:none}@keyframes bote{50%{transform:translate(-50%,10px)}}
.donde{margin:20px 0}.donde h2{font-size:20px}.tres{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.caso{background:#fff;border:1px solid var(--linea);border-radius:14px;padding:10px 6px;text-align:center;font-size:12.5px;color:var(--suave);display:flex;flex-direction:column;align-items:center;gap:4px}.caso b{color:var(--azul);font-size:14px}.flecha.top{bottom:auto;top:68px}.flecha.top::after{content:none}.flecha.top::before{content:"⬆";display:block;font-size:26px;line-height:1.1}.flecha.top{animation:botearriba 1s infinite}@keyframes botearriba{50%{transform:translate(-50%,-10px)}}
.qr{text-align:center}.qr-box{display:inline-block;background:#fff;border:1px solid var(--linea);border-radius:20px;padding:14px;box-shadow:0 10px 28px rgba(11,48,143,.12)}.qr-svg{display:block;width:200px;height:200px}
.com{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.com-btn{width:68px;height:68px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--azul),var(--azul2));color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 10px 24px rgba(11,48,143,.35)}.com-btn svg{width:32px;height:32px}.com-btn:active{transform:scale(.96)}.com-lbl{font-size:13px;font-weight:700;color:var(--azul);padding-right:2px}
.com-dlg{border:0;border-radius:22px;padding:0;width:min(440px,calc(100vw - 24px));max-height:calc(100vh - 24px);overflow:auto;box-shadow:0 20px 60px rgba(11,48,143,.35);color:var(--texto)}.com-dlg::backdrop{background:rgba(11,32,80,.55)}.com-hd{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 4px}.com-hd h2{font-size:21px;margin:0}.com-x{border:0;background:#eef2fb;color:var(--azul);width:36px;height:36px;border-radius:50%;font-size:24px;line-height:1;cursor:pointer}
.com-tabs{display:flex;gap:6px;padding:8px 18px}.com-tabs button{flex:1;border:2px solid var(--linea);background:#fff;color:var(--suave);border-radius:12px;padding:9px 6px;font-weight:700;font-size:13.5px;cursor:pointer}.com-tabs button.on{border-color:var(--azul);color:var(--azul);background:#eef3ff}
.com-f{display:flex;flex-direction:column;gap:8px;padding:6px 18px 14px}.com-f label{font-weight:600;font-size:14px;color:var(--azul)}.com-f input{font:inherit;font-size:17px;padding:12px 14px;border:2px solid var(--linea);border-radius:12px;background:#fff}.com-f input:focus{outline:0;border-color:var(--azul2)}.com-msg{margin:4px 0 0;font-size:14px}.com-msg:empty{display:none}.com-msg.err{color:#b3261e}.com-msg.ok{color:#1b7a43}.com-msg .btn{margin-top:8px;font-size:15px;padding:10px 16px}
.com-res{padding:4px 18px 18px;border-top:1px solid var(--linea)}.com-res h3{font-size:16px;color:var(--azul);margin:14px 0 4px}[hidden]{display:none!important}

.refb{background:#e8f5e9;color:#1b5e20;text-align:center;padding:10px 14px;font-weight:600;font-size:.95rem}
.refb[hidden]{display:none!important}