/* Pasa la Teórica · v2 animada. Paleta: /workspace/pasalateorica/marca/paleta.md. Sin dependencias. */
:root{--verde:#14B86A;--azul:#0F1E3D;--amarillo:#FFC83D;--tiza:#F7F5EF;--gris:#5A6478;--apoyo:#18305C;
--error:#C62F2F;/* única excepción fuera de paleta: feedback incorrecto */
--sombra:0 6px 18px rgba(15,30,61,.12),0 2px 4px rgba(15,30,61,.08);--sombra2:0 12px 28px rgba(15,30,61,.18)}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--azul);line-height:1.6;background:var(--tiza)}
a{color:var(--azul);text-decoration-color:var(--verde);text-decoration-thickness:2px;text-underline-offset:3px}
.aviso{background:var(--amarillo);color:var(--azul);padding:.5rem 1rem;text-align:center;font-size:.9rem;font-weight:600}
.cabecera{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;padding:.8rem 1rem;max-width:960px;margin:auto}
.marca{display:inline-flex;align-items:center;text-decoration:none}.marca img{height:46px;width:auto;display:block;transition:transform .25s}
.marca:hover img{transform:rotate(-2deg) scale(1.03)}
nav{display:flex;gap:.4rem;flex-wrap:wrap}
nav a{text-decoration:none;font-weight:600;padding:.4rem .8rem;border-radius:999px;color:var(--azul);transition:background .2s}
nav a:hover{background:#fff}
nav a[aria-current="page"]{background:var(--azul);color:var(--tiza)}
main{max-width:960px;margin:auto;padding:0 1rem 2.5rem}
h1{font-size:clamp(1.7rem,4.5vw,2.6rem);line-height:1.15;letter-spacing:-.02em;margin:.6em 0 .4em}
h2{font-size:1.45rem;margin:1.6em 0 .6em;display:flex;align-items:center;gap:.5rem}
h2::before{content:"";flex:0 0 1.1em;height:1.1em;background:var(--verde);border-radius:.25em;transform:rotate(45deg) scale(.7)}
/* Portada */
.portada{position:relative;background:var(--azul);color:var(--tiza);border-radius:24px;padding:2rem 2rem 2.2rem;margin-top:.6rem;box-shadow:var(--sombra2);overflow:hidden;
background-image:repeating-linear-gradient(45deg,transparent 0 22px,var(--apoyo) 22px 24px)}
.portada h1{color:#fff;max-width:20ch}.portada p{max-width:52ch;color:var(--tiza)}
.portada::after{content:"";position:absolute;left:0;right:0;bottom:0;height:8px;background:repeating-linear-gradient(90deg,var(--amarillo) 0 40px,transparent 40px 70px)}
.ilustra{width:min(300px,42%);float:right;margin:0 0 1rem 1rem}
.ilustra .auto{animation:avanza 3.5s ease-in-out infinite alternate}
@keyframes avanza{from{transform:translateX(-14px)}to{transform:translateX(14px)}}
.portada .boton.sec{background:transparent;color:#fff;border-color:var(--tiza)}
/* Botones */
.boton{display:inline-block;background:var(--verde);color:var(--azul);font-weight:800;padding:.8rem 1.3rem;border-radius:14px;text-decoration:none;border:2px solid var(--verde);font-size:1rem;cursor:pointer;margin:.35rem .2rem .35rem 0;
box-shadow:0 4px 0 #0c7a46;transition:transform .15s,box-shadow .15s,filter .15s}
.boton:hover{transform:translateY(-2px);box-shadow:0 6px 0 #0c7a46;filter:brightness(1.05)}
.boton:active{transform:translateY(3px);box-shadow:0 1px 0 #0c7a46}
.boton.sec{background:#fff;color:var(--azul);border-color:var(--azul);box-shadow:0 4px 0 var(--azul)}
:focus-visible{outline:3px solid var(--amarillo);outline-offset:3px}
/* Tarjetas */
#como-aprobar,article,.curso,.info-compra,fieldset,#resultado,table{background:#fff;border-radius:18px;box-shadow:var(--sombra)}
#como-aprobar{padding:.4rem 1.5rem 1rem;margin-top:2rem}
#como-aprobar ol{counter-reset:c;list-style:none;padding:0}
#como-aprobar li{counter-increment:c;position:relative;padding:.7rem .8rem .7rem 3.2rem;margin:.5rem 0;border-radius:12px;background:var(--tiza);transition:transform .2s}
#como-aprobar li:hover{transform:translateX(4px)}
#como-aprobar li::before{content:counter(c);position:absolute;left:.7rem;top:.7rem;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--verde);color:var(--azul);font-weight:800;display:grid;place-items:center}
article{padding:.5rem 1.5rem 1.5rem;margin-top:1rem}
.curso{padding:1rem 1.2rem;border-left:8px solid var(--verde)}
.info-compra{padding:.6rem 1.2rem;margin:1rem 0;color:var(--gris);font-size:.95rem}.info-compra strong{color:var(--azul)}
.respuesta{background:#E3F6EC;border-left:8px solid var(--verde);padding:1rem 1.2rem;border-radius:14px;font-size:1.08rem}
table{border-collapse:separate;border-spacing:0;width:100%;margin:1em 0;overflow:hidden}
th{background:var(--azul);color:var(--tiza)}th,td{padding:.6em .8em;text-align:left;border-bottom:1px solid #e6e3da}
tbody tr:nth-child(odd){background:#FBFAF6}tbody tr:last-child td{background:#FFF4D6;font-weight:600}
blockquote{position:relative;border-left:6px solid var(--amarillo);margin:1.2em 0;padding:.4em 1.2em;background:var(--tiza);border-radius:0 14px 14px 0}
blockquote footer{font-size:.9em;color:var(--gris);background:none;padding:0;text-align:left}
/* Simulacro */
.progreso{position:sticky;top:0;z-index:5;background:var(--tiza);padding:.6rem 0}
.progreso .pista{height:14px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 2px #dcd8cc;overflow:hidden}
.progreso .relleno{height:100%;width:0;border-radius:999px;background:repeating-linear-gradient(90deg,var(--verde) 0 18px,#19c876 18px 26px);transition:width .4s ease}
fieldset{border:3px solid transparent;margin:0 0 1rem;padding:1rem 1.2rem;transition:border-color .2s}
legend{font-weight:700;float:left;width:100%;padding:0;margin-bottom:.5rem}
fieldset label{clear:both}
label{display:flex;gap:.6rem;align-items:center;margin:.45rem 0;padding:.6rem .8rem;border-radius:12px;border:2px solid #e6e3da;background:var(--tiza);cursor:pointer;transition:transform .15s,border-color .15s,background .15s}
label:hover{transform:translateY(-1px);border-color:var(--gris)}
input[type=radio]{accent-color:var(--azul);width:1.1rem;height:1.1rem}
fieldset[disabled] label{cursor:default}fieldset[disabled] label:hover{transform:none}
label.es-correcta{border-color:var(--verde);background:#E3F6EC}
label.es-error{border-color:var(--error);background:#FCE9E9}
label.es-correcta::after{content:"✓";margin-left:auto;font-weight:900;color:#0c7a46}
label.es-error::after{content:"✗";margin-left:auto;font-weight:900;color:var(--error)}
.bien{border-color:var(--verde)}.mal{border-color:var(--error)}
.bien.anima{animation:pop .45s ease}.mal.anima{animation:sacude .45s ease}
@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.025)}100%{transform:scale(1)}}
@keyframes sacude{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.explica{font-size:.95rem;margin:.6rem 0 0;padding:.6rem .8rem;border-radius:10px;clear:both}
.bien .explica{background:#E3F6EC;color:#0b5a35}.mal .explica{background:#FCE9E9;color:#8e1f1f}
#corregir{font-size:1.1rem}
#resultado{position:relative;overflow:hidden;padding:1.5rem;margin:1.2rem 0;text-align:center;border-top:10px solid var(--gris);animation:sube .5s ease}
#resultado.logrado{border-top-color:var(--verde)}
#resultado .medalla{width:96px;height:96px;margin:0 auto .4rem;display:block}
#resultado.logrado .medalla{animation:gira .9s ease}
@keyframes gira{from{transform:scale(.3) rotate(-30deg);opacity:0}to{transform:none;opacity:1}}
@keyframes sube{from{transform:translateY(16px);opacity:0}to{transform:none;opacity:1}}
.confeti{position:absolute;inset:0;pointer-events:none}
.confeti i{position:absolute;top:-12px;width:9px;height:14px;border-radius:2px;opacity:0;animation:cae 1.8s ease-in forwards}
@keyframes cae{0%{opacity:1;transform:translateY(0) rotate(0)}100%{opacity:0;transform:translateY(320px) rotate(540deg)}}
#resultado h2{justify-content:center;font-size:1.8rem;margin:.2em 0}#resultado h2::before{display:none}
#oferta{margin-top:1rem}
footer{background:var(--azul);color:var(--tiza);padding:2rem 1rem;font-size:.88rem;text-align:center;border-top:8px solid var(--verde)}footer a{color:#fff}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:600px){.portada{padding:1.4rem 1.2rem 1.8rem}.ilustra{float:none;width:100%;max-width:260px;margin:0 auto .5rem;display:block}.marca img{height:38px}#como-aprobar,article{padding-left:1rem;padding-right:1rem}th,td{padding:.5em;font-size:.9rem}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.confeti{display:none}}
/* v3: nota legal corta junto a cada botón de compra */
.nota-compra{font-size:.85rem;margin:.2rem 0 1rem;opacity:.9}
.portada .nota-compra{color:#F7F5EF}
.lista-corta{padding-left:1.2rem}.lista-corta li{margin:.3rem 0}
/* v3b: nota de compra legible (mín. 14px, contraste alto) */
.nota-compra{font-size:15px;line-height:1.45;color:var(--azul);opacity:1}
.nota-compra a{color:var(--azul);font-weight:700;text-decoration:underline}
.portada .nota-compra,.portada .nota-compra a{color:#F7F5EF}
#como-aprobar .lista-corta{list-style:none;padding-left:0}
/* v4: beneficios cortos en la portada */
.beneficios{list-style:none;padding:0;margin:.6rem 0 1rem}.beneficios li{margin:.3rem 0;font-weight:700;color:#F7F5EF}
.beneficios li::before{content:"✔ ";color:var(--verde)}
#en-corto{background:#fff;border-radius:18px;box-shadow:var(--sombra);padding:1rem 1.2rem;margin:1.5rem 0}