/* ===== Entiende tu Certificado — hoja de estilos ===== */
:root{
  --amarillo:#FFC61A;
  --amarillo-osc:#E5A800;
  --crema:#FFF8E1;
  --crema-2:#FFEFC2;
  --marino:#0E1A36;
  --marino-2:#1B2A52;
  --azul:#2451D6;
  --texto:#1D2438;
  --suave:#5B6480;
  --linea:#E7E3D6;
  --blanco:#FFFFFF;
  --verde:#1E9E5A;
  --rojo:#D93A2B;
  --r:18px;
  --sombra:0 14px 40px rgba(14,26,54,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:"Nunito Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--texto);background:var(--blanco);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--azul);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:"Sora","Nunito Sans",sans-serif;line-height:1.15;letter-spacing:-.02em;color:var(--marino)}
.envoltura{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.oculto{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.saltar{position:absolute;left:-999px;top:8px;background:var(--marino);color:#fff;padding:8px 12px;border-radius:8px;z-index:100}
.saltar:focus{left:8px}
:focus-visible{outline:3px solid var(--azul);outline-offset:3px}

/* ===== Barra superior ===== */
.barra{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
.barra .envoltura{height:72px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.logo{display:flex;align-items:center;gap:11px;color:var(--marino)}
.logo:hover{text-decoration:none}
.logo img{width:44px;height:44px}
.logo b{font-family:"Sora",sans-serif;font-weight:800;font-size:1.08rem;line-height:1.05;display:block}
.logo b span{background:linear-gradient(transparent 58%,var(--amarillo) 58%);padding:0 2px}
.logo small{display:block;font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--suave);margin-top:3px}
.menu{display:flex;gap:2px;list-style:none}
.menu a{display:block;color:var(--marino);font-weight:700;font-size:.9rem;padding:8px 12px;border-radius:10px}
.menu a:hover{background:var(--crema);text-decoration:none}
.boton-menu{display:none;border:2px solid var(--marino);background:var(--amarillo);color:var(--marino);font-weight:800;border-radius:12px;padding:8px 14px;cursor:pointer;font-family:inherit}
@media (max-width:980px){
  .boton-menu{display:block}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 16px 18px;border-bottom:4px solid var(--amarillo);box-shadow:var(--sombra)}
  .menu.visible{display:flex}
  .menu a{padding:12px}
}

/* ===== Portada ===== */
.portada{background:var(--crema);position:relative;overflow:hidden}
.portada::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:var(--amarillo);right:-160px;top:-180px;opacity:.9}
.portada::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(14,26,54,.09) 1.2px,transparent 1.2px);background-size:22px 22px;mask-image:linear-gradient(90deg,#000 0,transparent 55%)}
.portada .envoltura{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center;padding-top:70px;padding-bottom:84px}
.pildora{display:inline-flex;align-items:center;gap:8px;background:var(--marino);color:#fff;font-weight:800;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;padding:7px 14px;border-radius:999px}
.pildora i{width:8px;height:8px;border-radius:50%;background:var(--amarillo);display:inline-block}
.portada h1{font-size:clamp(2.2rem,5.2vw,3.8rem);margin:22px 0 18px;font-weight:800}
.portada h1 mark{background:none;color:var(--marino);position:relative;z-index:0;white-space:nowrap}
.portada h1 mark::after{content:"";position:absolute;left:-4px;right:-4px;bottom:.06em;height:.38em;background:var(--amarillo);z-index:-1;border-radius:4px}
.portada .intro{font-size:1.16rem;color:var(--suave);max-width:560px}
.acciones{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.boton{display:inline-flex;align-items:center;gap:8px;font-weight:800;padding:14px 22px;border-radius:14px;border:2px solid var(--marino);transition:transform .2s,box-shadow .2s;font-family:inherit;font-size:1rem;cursor:pointer}
.boton:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 0 var(--marino)}
.boton.primario{background:var(--marino);color:#fff}
.boton.primario:hover{box-shadow:0 6px 0 var(--amarillo-osc)}
.boton.secundario{background:#fff;color:var(--marino)}
.cifras{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.cifra{background:#fff;border:2px solid var(--marino);border-radius:14px;padding:10px 16px;box-shadow:4px 4px 0 var(--marino)}
.cifra b{font-family:"Sora",sans-serif;font-size:1.5rem;color:var(--marino);display:block;line-height:1.1}
.cifra span{font-size:.82rem;color:var(--suave);font-weight:700}

/* Tarjeta ilustrativa de portada */
.hoja{background:#fff;border:2px solid var(--marino);border-radius:20px;padding:24px;box-shadow:10px 10px 0 var(--marino);position:relative}
.hoja-cab{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px dashed var(--linea);padding-bottom:14px;margin-bottom:14px;gap:10px}
.hoja-cab h3{font-size:1rem}
.hoja-cab p{font-size:.75rem;color:var(--suave)}
.sello{flex:none;font-size:.66rem;font-weight:800;letter-spacing:.12em;background:var(--amarillo);color:var(--marino);border-radius:8px;padding:5px 8px}
.renglon{display:flex;justify-content:space-between;gap:10px;font-size:.8rem;padding:7px 0;border-bottom:1px solid #F1EEE4}
.renglon span:first-child{color:var(--suave);font-weight:700}
.renglon span:last-child{font-weight:800;color:var(--marino);text-align:right}
.lupa-nota{margin-top:16px;background:var(--crema);border:2px solid var(--amarillo);border-radius:14px;padding:12px 14px;font-size:.84rem;display:flex;gap:10px;align-items:flex-start}
.lupa-nota svg{flex:none;width:26px;height:26px}
.flotante{position:absolute;left:-26px;bottom:-22px;background:var(--amarillo);border:2px solid var(--marino);border-radius:14px;padding:8px 14px;font-weight:800;font-size:.84rem;color:var(--marino);transform:rotate(-4deg)}
@media (max-width:960px){.portada .envoltura{grid-template-columns:1fr;padding-top:46px}.portada::before{width:360px;height:360px;right:-160px;top:-120px}.hoja{max-width:480px}.flotante{left:10px}}

/* Franja aviso */
.franja{background:var(--marino);color:#E7EBF5;font-size:.92rem}
.franja .envoltura{display:flex;gap:12px;align-items:center;padding-top:14px;padding-bottom:14px}
.franja strong{color:var(--amarillo);white-space:nowrap}

/* ===== Bloques generales ===== */
.bloque{padding:92px 0}
.bloque.crema{background:var(--crema)}
.bloque.marino{background:var(--marino);color:#E7EBF5}
.bloque.marino h2,.bloque.marino h3{color:#fff}
.encabezado{max-width:780px;margin-bottom:46px}
.encabezado .kicker{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--marino);margin-bottom:12px}
.encabezado .kicker::before{content:"";width:28px;height:6px;border-radius:4px;background:var(--amarillo)}
.bloque.marino .encabezado .kicker{color:var(--amarillo)}
.encabezado h2{font-size:clamp(1.9rem,3.8vw,2.8rem);margin-bottom:14px}
.encabezado p{color:var(--suave);font-size:1.08rem}
.bloque.marino .encabezado p{color:#B9C2DA}

.rejilla{display:grid;gap:20px}
.r2{grid-template-columns:repeat(2,1fr)}
.r3{grid-template-columns:repeat(3,1fr)}
.r4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.r3,.r4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.r2,.r3,.r4{grid-template-columns:1fr}}

/* Resumen en 60 segundos */
.clave{background:#fff;border:2px solid var(--marino);border-radius:var(--r);padding:26px;transition:transform .2s,box-shadow .2s}
.clave:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--amarillo)}
.clave .ico{width:52px;height:52px;border-radius:14px;background:var(--amarillo);display:grid;place-items:center;border:2px solid var(--marino)}
.clave .ico svg{width:26px;height:26px}
.clave h3{font-size:1.12rem;margin:16px 0 8px}
.clave p{color:var(--suave);font-size:.96rem}

/* Nombre dividido */
.nombre{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--marino);border-radius:24px;overflow:hidden;background:#fff}
.nombre > div{padding:38px}
.nombre > div:first-child{background:var(--marino);color:#DCE2F0}
.nombre h3{font-size:clamp(1.8rem,3.4vw,2.4rem);margin-bottom:6px}
.nombre > div:first-child h3{color:var(--amarillo)}
.nombre .pregunta{font-weight:800;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px;display:block}
.nombre > div:first-child .pregunta{color:#9FB0D6}
.nombre > div:last-child .pregunta{color:var(--suave)}
@media (max-width:760px){.nombre{grid-template-columns:1fr}}

/* ===== Certificado interactivo ===== */
.explorador{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start}
.cert{background:#FFFEF9;border:2px solid var(--marino);border-radius:16px;padding:22px 20px;font-family:"JetBrains Mono","Courier New",monospace;font-size:.78rem;color:#2A3150;box-shadow:8px 8px 0 var(--amarillo)}
.cert .titulo-cert{text-align:center;border-bottom:2px solid var(--marino);padding-bottom:10px;margin-bottom:10px;font-weight:700;letter-spacing:.04em}
.cert .titulo-cert small{display:block;font-weight:400;color:var(--suave)}
.cert button.zona{all:unset;box-sizing:border-box;display:block;width:100%;border-radius:10px;padding:9px 10px 9px 42px;margin:4px 0;position:relative;cursor:pointer;border:2px dashed transparent;transition:background .15s,border-color .15s;line-height:1.55}
.cert button.zona:hover{background:var(--crema);border-color:var(--amarillo-osc)}
.cert button.zona[aria-pressed="true"]{background:var(--crema-2);border-color:var(--marino);border-style:solid}
.cert button.zona:focus-visible{outline:3px solid var(--azul)}
.cert .num{position:absolute;left:9px;top:9px;width:24px;height:24px;border-radius:50%;background:var(--amarillo);border:2px solid var(--marino);color:var(--marino);font-family:"Sora",sans-serif;font-weight:800;font-size:.7rem;display:grid;place-items:center}
.cert button.zona[aria-pressed="true"] .num{background:var(--marino);color:var(--amarillo)}
.cert .et{color:var(--suave)}
.cert .x{background:var(--marino);color:var(--amarillo);padding:0 5px;border-radius:4px;font-weight:700}
.panel{position:sticky;top:96px;background:var(--marino);color:#DCE2F0;border-radius:20px;padding:28px;min-height:320px}
.panel .paso-num{display:inline-block;background:var(--amarillo);color:var(--marino);font-weight:800;border-radius:10px;padding:4px 12px;font-size:.8rem;letter-spacing:.08em}
.panel h3{color:#fff;font-size:1.45rem;margin:14px 0 10px}
.panel p{margin-bottom:10px}
.panel ul{padding-left:18px}
.panel li{margin-bottom:6px}
.panel .consejo{margin-top:16px;border-left:4px solid var(--amarillo);background:rgba(255,255,255,.06);padding:12px 14px;border-radius:0 12px 12px 0;font-size:.94rem}
.panel .consejo b{color:var(--amarillo)}
.navegar{display:flex;gap:10px;margin-top:20px}
.navegar button{flex:1;border:2px solid var(--amarillo);background:transparent;color:var(--amarillo);font-weight:800;border-radius:12px;padding:10px;cursor:pointer;font-family:inherit}
.navegar button:hover{background:var(--amarillo);color:var(--marino)}
@media (max-width:960px){.explorador{grid-template-columns:1fr}.panel{position:static}}

/* ===== Pestañas de especificaciones ===== */
.pestanas{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.pestanas button{border:2px solid var(--marino);background:#fff;color:var(--marino);font-weight:800;padding:10px 16px;border-radius:999px;cursor:pointer;font-family:inherit;font-size:.92rem}
.pestanas button[aria-selected="true"]{background:var(--marino);color:var(--amarillo)}
.pestanas button:hover{background:var(--crema)}
.pestanas button[aria-selected="true"]:hover{background:var(--marino)}
.lamina{background:#fff;border:2px solid var(--marino);border-radius:22px;padding:30px}
.lamina[hidden]{display:none}
.lamina .desc{color:var(--suave);font-size:1.05rem;margin-bottom:22px;max-width:760px}
.fichas{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ficha-t{background:var(--crema);border-radius:14px;padding:18px}
.ficha-t h4{font-size:1rem;margin-bottom:6px}
.ficha-t p{font-size:.93rem;color:var(--texto)}
@media (max-width:900px){.fichas{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.fichas{grid-template-columns:1fr}}

/* ===== Semáforo ===== */
.semaforo{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.luz{border-radius:22px;padding:28px;background:var(--marino-2);border:2px solid rgba(255,255,255,.08)}
.luz .foco{width:54px;height:54px;border-radius:50%;margin-bottom:16px;box-shadow:0 0 0 6px rgba(255,255,255,.06),0 0 28px currentColor}
.luz.v .foco{background:var(--verde);color:var(--verde)}
.luz.a .foco{background:var(--amarillo);color:var(--amarillo)}
.luz.r .foco{background:var(--rojo);color:var(--rojo)}
.luz h3{font-size:1.25rem;margin-bottom:6px}
.luz > p{color:#B9C2DA;font-size:.95rem;margin-bottom:14px}
.luz ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.luz li{background:rgba(255,255,255,.06);border-radius:12px;padding:10px 12px;font-size:.92rem;color:#E7EBF5}
.luz li b{color:#fff}
.nota-sem{margin-top:22px;color:#B9C2DA;font-size:.92rem}
@media (max-width:900px){.semaforo{grid-template-columns:1fr}}

/* ===== Casos ===== */
.caso{background:#fff;border:2px solid var(--marino);border-radius:22px;overflow:hidden;display:flex;flex-direction:column}
.caso .cab{background:var(--amarillo);padding:18px 22px;border-bottom:2px solid var(--marino)}
.caso .cab span{font-weight:800;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--marino)}
.caso .cab h3{font-size:1.2rem;margin-top:4px}
.caso .cuerpo{padding:20px 22px;flex:1}
.caso ol{list-style:none;counter-reset:a;border-left:3px solid var(--linea);margin-left:8px}
.caso li{counter-increment:a;position:relative;padding:0 0 12px 22px;font-size:.93rem}
.caso li::before{content:counter(a,decimal-leading-zero);position:absolute;left:-15px;top:1px;width:26px;height:26px;border-radius:50%;background:var(--marino);color:var(--amarillo);font-size:.66rem;font-weight:800;display:grid;place-items:center}
.caso .lectura{margin-top:8px;background:var(--crema);border-radius:12px;padding:12px 14px;font-size:.93rem}
.caso .lectura b{color:var(--marino)}

/* ===== Tabla comparativa ===== */
.tabla-wrap{overflow-x:auto;border:2px solid var(--marino);border-radius:20px;background:#fff}
table.comparar{width:100%;border-collapse:collapse;min-width:720px}
.comparar th,.comparar td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--linea);font-size:.95rem}
.comparar thead th{background:var(--marino);color:#fff;font-family:"Sora",sans-serif;font-size:.95rem}
.comparar thead th:first-child{background:var(--amarillo);color:var(--marino)}
.comparar tbody th{background:var(--crema);color:var(--marino);font-weight:800;width:200px}
.comparar tbody tr:last-child th,.comparar tbody tr:last-child td{border-bottom:0}

/* ===== Quiz ===== */
.quiz{max-width:820px;background:#fff;border:2px solid var(--marino);border-radius:24px;padding:32px;box-shadow:10px 10px 0 var(--amarillo)}
.quiz .progreso{height:10px;background:var(--crema);border-radius:999px;overflow:hidden;margin-bottom:22px}
.quiz .progreso div{height:100%;background:var(--amarillo);width:0;transition:width .3s}
.quiz .contador{font-weight:800;font-size:.82rem;letter-spacing:.1em;color:var(--suave);text-transform:uppercase}
.quiz h3{font-size:1.35rem;margin:8px 0 18px}
.opciones{display:flex;flex-direction:column;gap:10px}
.opciones button{text-align:left;border:2px solid var(--linea);background:#fff;border-radius:14px;padding:14px 16px;font-family:inherit;font-size:1rem;color:var(--texto);cursor:pointer;font-weight:600;transition:border-color .15s,background .15s}
.opciones button:hover:not(:disabled){border-color:var(--marino);background:var(--crema)}
.opciones button.bien{border-color:var(--verde);background:#E8F7EF}
.opciones button.mal{border-color:var(--rojo);background:#FDECEA}
.opciones button:disabled{cursor:default}
.explica{margin-top:16px;background:var(--crema);border-left:5px solid var(--amarillo);border-radius:0 12px 12px 0;padding:14px 16px;display:none}
.explica.ver{display:block}
.quiz .siguiente{margin-top:18px;display:none}
.quiz .siguiente.ver{display:inline-flex}
.resultado{text-align:center;display:none}
.resultado.ver{display:block}
.resultado .puntaje{font-family:"Sora",sans-serif;font-size:3.4rem;font-weight:800;color:var(--marino)}
.resultado p{color:var(--suave);margin:6px 0 18px}

/* ===== Preguntas ===== */
.preguntas{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.preguntas details{background:#fff;border:2px solid var(--marino);border-radius:16px;padding:0 20px}
.preguntas summary{cursor:pointer;list-style:none;font-weight:800;color:var(--marino);padding:18px 38px 18px 0;position:relative;font-size:1.02rem}
.preguntas summary::-webkit-details-marker{display:none}
.preguntas summary::after{content:"";position:absolute;right:0;top:20px;width:24px;height:24px;border-radius:8px;background:var(--amarillo) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5' fill='none' stroke='%230E1A36' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat;transition:transform .2s}
.preguntas details[open] summary::after{transform:rotate(180deg)}
.preguntas details p{padding:0 0 18px;color:var(--suave)}
@media (max-width:820px){.preguntas{grid-template-columns:1fr}}

/* ===== Cierre ===== */
.cierre{background:var(--amarillo);padding:70px 0;border-top:2px solid var(--marino);border-bottom:2px solid var(--marino)}
.cierre .envoltura{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cierre h2{font-size:clamp(1.7rem,3.4vw,2.5rem);max-width:720px}
.cierre p{color:var(--marino);font-weight:600;margin-top:10px;max-width:640px}

/* ===== Pie ===== */
.pie{background:var(--marino);color:#B9C2DA;padding:64px 0 28px;font-size:.93rem}
.pie .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.pie h4{color:var(--amarillo);font-family:"Nunito Sans",sans-serif;font-weight:800;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.pie a{color:#fff}
.pie ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.pie .logo{color:#fff;margin-bottom:14px}
.pie .logo b span{background:linear-gradient(transparent 58%,rgba(255,198,26,.55) 58%)}
.pie .logo small{color:#9FB0D6}
.pie .base{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.84rem}
@media (max-width:820px){.pie .cols{grid-template-columns:1fr}}

/* ===== Páginas legales ===== */
.cabecera-legal{background:var(--crema);position:relative;overflow:hidden;padding:64px 0 56px;border-bottom:2px solid var(--marino)}
.cabecera-legal::before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:var(--amarillo);right:-120px;top:-160px}
.cabecera-legal .envoltura{position:relative}
.cabecera-legal h1{font-size:clamp(2rem,4.6vw,3.1rem);margin:14px 0 8px}
.cabecera-legal p{color:var(--suave);font-weight:600}
.legal{padding:60px 0 84px}
.legal .envoltura{max-width:880px}
.legal .indice{background:var(--crema);border:2px solid var(--marino);border-radius:18px;padding:20px 24px;margin-bottom:34px}
.legal .indice h2{font-size:1rem;margin:0 0 10px;border:0;padding:0}
.legal .indice ol{columns:2;column-gap:30px;padding-left:20px}
.legal .indice li{margin-bottom:4px;font-size:.93rem}
@media (max-width:640px){.legal .indice ol{columns:1}}
.legal h2{font-size:1.35rem;margin:38px 0 12px;display:flex;align-items:center;gap:12px}
.legal h2::before{content:"";width:12px;height:12px;border-radius:4px;background:var(--amarillo);border:2px solid var(--marino);flex:none}
.legal p,.legal li{color:#3A4260;margin-bottom:12px}
.legal ul{padding-left:22px}
.tarjeta-datos{background:#fff;border:2px solid var(--marino);border-radius:18px;padding:22px 24px;box-shadow:6px 6px 0 var(--amarillo)}
.tarjeta-datos p{margin-bottom:4px}
.regresar{display:inline-flex;margin-top:30px}