/* ---------------------------------------------------------------
   Formación NEO — estilos de las landings de test por oposición.
   Mismo sistema de diseño que la portada (index.html lo lleva en línea):
   rojo #FF0000 + azul #0056B3 y Burn Rubber en títulos.
   Sin recursos externos: fuente e imágenes se sirven del propio dominio.
   --------------------------------------------------------------- */
@font-face{
  font-family:"Burn Rubber";
  src:url("/fonts/BURN-RUBBER.ttf") format("truetype");
  font-weight:normal;font-style:normal;font-display:swap;
}
:root{
  --ink:#111418;
  --ink-soft:#39414E;
  --muted:#6B7280;
  --line:#E6E8EC;
  --paper:#FFFFFF;
  --paper-alt:#F6F8FB;

  --rojo:#FF0000;
  --rojo-deep:#CC0000;
  --azul:#0056B3;
  --azul-deep:#003D80;
  --azul-tint:#EAF1F9;

  --accent:#FF0000;
  --accent-deep:#CC0000;
  --ok:#1E7B3A;
  --ok-tint:#E7F5EC;
  --ko:#B42318;
  --ko-tint:#FDECEA;

  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --marca:"Burn Rubber",var(--sans);

  --measure:64rem;
  --gap:clamp(1rem,3vw,2rem);
  --section-y:clamp(3.5rem,8vw,6.5rem);
  --radius:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}
body{
  margin:0;font-family:var(--sans);
  font-size:clamp(1rem,.97rem + .15vw,1.0625rem);line-height:1.65;
  color:var(--ink-soft);background:var(--paper);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{
  color:var(--ink);font-family:var(--marca);font-weight:normal;text-transform:uppercase;
  line-height:1.05;letter-spacing:.005em;text-wrap:balance;margin:0;
}
h1{font-size:clamp(2.1rem,1.4rem + 3vw,3.6rem)}
h2{font-size:clamp(1.7rem,1.3rem + 1.8vw,2.5rem)}
h3{font-size:1.125rem;line-height:1.15}
p{margin:0;text-wrap:pretty}

.wrap{width:min(100% - 2.5rem,var(--measure));margin-inline:auto}
@media(max-width:34rem){.wrap{width:min(100% - 2rem,var(--measure))}}
section{padding-block:var(--section-y)}
section[id]{scroll-margin-top:72px}

.eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}
.lede{font-size:clamp(1.05rem,1rem + .3vw,1.2rem);color:var(--muted);max-width:46ch}
.section-head{max-width:54ch;margin-bottom:clamp(2rem,4vw,3rem)}
.section-head p{margin-top:1rem;color:var(--muted)}
.section-head .eyebrow{margin-top:0;color:var(--accent)}

.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:#fff;padding:.75rem 1.25rem;border-radius:0 0 var(--radius) 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* --- botones --- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:var(--radius);
  font:inherit;font-size:.9375rem;font-weight:600;letter-spacing:-.005em;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--paper)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-quiet{font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px}
.btn-quiet:hover{border-color:var(--accent);color:var(--accent)}

/* --- cabecera --- */
.hdr{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:1.5rem;height:72px}
.logo{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;line-height:1}
.logo img{height:52px;width:52px}
.logo span{font-family:var(--marca);color:var(--ink);font-size:1.05rem;letter-spacing:.02em}
.nav{display:flex;gap:1.5rem;margin-left:auto;align-items:center}
.nav a{font-size:.9375rem;color:var(--muted);text-decoration:none;font-weight:500;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.nav .btn{color:#fff}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;padding:.5rem;cursor:pointer;color:var(--ink)}
@media(max-width:52rem){
  .nav{position:fixed;inset:72px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);padding:.5rem 1.25rem 1.5rem;margin:0;display:none}
  .nav[data-open]{display:flex}
  .nav a{padding:.9rem 0;border-bottom:1px solid var(--line);font-size:1rem;color:var(--ink)}
  .nav .btn{margin-top:1.25rem;border-bottom:0}
  .nav-toggle{display:block}
}

/* --- migas --- */
.crumbs{font-size:.8125rem;color:var(--muted);padding-block:.9rem;border-bottom:1px solid var(--line)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem}
.crumbs li+li::before{content:"›";margin-right:.35rem;color:#A0A7B2}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}

/* --- hero --- */
.hero{
  padding-block:clamp(3rem,7vw,5.5rem);
  background:#00223f url("/images/hero-bg.jpg") center/cover no-repeat;
  color:#C9D8EC;position:relative;overflow:hidden;
}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(95deg,rgba(0,22,44,.95) 0%,rgba(0,28,58,.9) 45%,rgba(0,32,68,.66) 78%,rgba(0,38,86,.5) 100%)}
.hero .wrap{position:relative;z-index:1}
.hero .eyebrow{color:#fff}
.hero h1{color:#fff;max-width:20ch}
.hero .lede{color:#C9D8EC;margin-top:1.25rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}
.hero-note{margin-top:1.1rem;font-size:.875rem;color:#8FB0D6}
.hero .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:transparent}
.hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}

/* --- banda de cifras --- */
.facts{
  margin-top:-2.25rem;position:relative;z-index:2;
  background:var(--azul-tint);border:1px solid #DCE7F3;border-radius:var(--radius);overflow:hidden;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(10rem,100%),1fr));margin-block-end:0;
}
.fact{padding:1.5rem 1.4rem;display:flex;flex-direction:column}
.fact + .fact{border-left:1px solid #DCE7F3}
.fact dt{font-size:.8125rem;color:var(--ink-soft);order:2;margin-top:.375rem}
.fact dd{margin:0;font-family:var(--marca);font-size:2rem;color:var(--azul);letter-spacing:.01em;order:1;line-height:1}
@media(max-width:40rem){
  .facts{grid-template-columns:1fr 1fr}
  .fact{padding:1.1rem 1rem}
  .fact + .fact{border-left:0}
  .fact:nth-child(even){border-left:1px solid #DCE7F3}
  .fact:nth-child(n+3){border-top:1px solid #DCE7F3}
}
.facts-note{font-size:.75rem;color:var(--muted);margin-top:.6rem}

/* --- mini test --- */
.quiz{max-width:46rem}
.q{border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;margin:0 0 1.25rem;background:var(--paper)}
.q legend{display:contents}
.q-meta{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;font-size:.75rem;color:var(--muted);margin-bottom:.75rem}
.q-num{font-family:var(--marca);color:#fff;background:linear-gradient(135deg,#0060C4,#003D80);border-radius:7px;padding:.15rem .5rem;font-size:.85rem;letter-spacing:.03em}
.q-niv{border:1px solid var(--line);border-radius:99px;padding:.05rem .55rem;text-transform:capitalize}
.q-enun{font-weight:600;color:var(--ink);font-size:1.02rem;margin-bottom:1rem}
.q-ops{display:grid;gap:.5rem}
.q-op{
  display:flex;gap:.75rem;align-items:flex-start;text-align:left;width:100%;
  font:inherit;font-size:.95rem;color:var(--ink-soft);background:var(--paper);
  border:1px solid var(--line);border-radius:8px;padding:.7rem .9rem;cursor:pointer;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.q-op:hover:not([disabled]){border-color:var(--azul);background:var(--azul-tint)}
.q-op[disabled]{cursor:default}
.q-op b{flex:none;width:1.6rem;height:1.6rem;border-radius:50%;display:grid;place-items:center;
  background:var(--paper-alt);border:1px solid var(--line);font-size:.8rem;color:var(--ink)}
.q-op.ok{border-color:var(--ok);background:var(--ok-tint);color:var(--ink)}
.q-op.ok b{background:var(--ok);border-color:var(--ok);color:#fff}
.q-op.ko{border-color:var(--ko);background:var(--ko-tint);color:var(--ink)}
.q-op.ko b{background:var(--ko);border-color:var(--ko);color:#fff}
.q-exp{margin-top:1rem;padding:1rem 1.1rem;border-radius:8px;background:var(--paper-alt);border-left:3px solid var(--azul);font-size:.9rem}
.q-exp .res{font-weight:700;margin-bottom:.35rem}
.q-exp .res.ok{color:var(--ok)}
.q-exp .res.ko{color:var(--ko)}
.q-exp .src{margin-top:.6rem;font-size:.8rem;color:var(--muted)}
.q-exp .src b{color:var(--ink-soft)}
.quiz-result{border-radius:var(--radius);padding:1.5rem;background:var(--azul-deep);color:#C9D8EC}
.quiz-result h3{color:#fff;margin-bottom:.5rem}
.quiz-result .btn{margin-top:1.1rem}
.quiz-result .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.quiz-note{font-size:.8125rem;color:var(--muted);margin-top:1rem}

/* --- tabla de temas --- */
.temario{width:100%;border-collapse:collapse;font-size:.9375rem}
.temario caption{text-align:left;font-size:.8125rem;color:var(--muted);caption-side:bottom;padding-top:.75rem}
.temario th,.temario td{padding:.7rem .75rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.temario thead th{font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.temario .parte th{background:var(--azul-tint);color:var(--azul-deep);font-weight:700;font-size:.875rem}
.temario td.n,.temario th.n{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.temario td.n{font-weight:600;color:var(--ink)}
.temario tfoot td{font-weight:700;color:var(--ink);border-bottom:0}
.tabla-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}

/* --- niveles --- */
.niveles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(9rem,100%),1fr));gap:.75rem;margin-top:1.5rem}
.nivel{border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem}
.nivel b{display:block;font-family:var(--marca);font-size:1.5rem;color:var(--azul);line-height:1.1}
.nivel span{font-size:.8125rem;color:var(--muted)}

/* --- rejillas y tarjetas --- */
.grid{display:grid;gap:var(--gap)}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(16rem,100%),1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(min(22rem,100%),1fr));gap:clamp(1.5rem,4vw,3rem)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;background:var(--paper);position:relative;overflow:hidden;
  transition:border-color .25s var(--ease),transform .25s var(--ease)}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--rojo);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.card:hover{border-color:#CFD3DA}
.card:hover::before{transform:scaleX(1)}
.card h3{margin-bottom:.6rem}
.card p{font-size:.9375rem;color:var(--muted)}
a.card{text-decoration:none;display:block}
a.card:hover{transform:translateY(-2px)}
.card .cifra{display:block;margin-top:1rem;font-weight:600;color:var(--azul);font-size:.9rem}

/* --- bloque azul diferencial --- */
.feature{background:var(--azul-deep)}
.feature-in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
@media(max-width:52rem){.feature-in{grid-template-columns:1fr}}
.feature h2,.feature .eyebrow{color:#fff}
.feature .lede{color:#B9CCE4;margin-top:1.25rem}
.feature p.sub{color:#9FBBDD;margin-top:1.25rem;font-size:.9375rem}
.checks{margin:0;padding:0;list-style:none}
.checks li{padding:.875rem 0 .875rem 1.75rem;position:relative;border-bottom:1px solid rgba(255,255,255,.16);font-size:.9375rem;color:#fff}
.checks li:last-child{border-bottom:0}
.checks li::before{content:"";position:absolute;left:2px;top:1.15em;width:5px;height:9px;border:1.5px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
.checks li b{display:block;font-weight:640;margin-bottom:.1rem}
.checks li span{color:#9FBBDD;font-size:.875rem}

.tint{background:var(--azul-tint);border-block:1px solid #DCE7F3}
.aviso{margin-top:1.5rem;font-size:.875rem;color:var(--muted);border-left:3px solid var(--line);padding-left:1rem}

/* --- faq --- */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:1.25rem 2.5rem 1.25rem 0;position:relative;font-weight:600;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:.5rem;top:1.8em;width:9px;height:9px;
  border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:translateY(-50%) rotate(45deg);transition:transform .25s var(--ease)}
.faq details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq details p{padding:0 2.5rem 1.4rem 0;color:var(--muted);font-size:.9375rem;margin-top:-.25rem}

/* --- banda roja --- */
.cta-band{background:linear-gradient(135deg,#FF2A2A 0%,#CC0000 100%);color:#fff;text-align:center}
.cta-band .wrap{display:flex;flex-direction:column;align-items:center;gap:1rem;max-width:50rem}
.cta-band .eyebrow{color:#FFD9D9;margin-bottom:0}
.cta-band h2{color:#fff;max-width:22ch}
.cta-band p{color:#FFE0E0;max-width:48ch}
.cta-band .btn-primary{background:#fff;color:var(--rojo-deep);margin-top:.5rem}
.cta-band .btn-primary:hover{background:#FFECEC}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .acciones{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}

/* --- pie --- */
.ftr{background:var(--azul-deep);color:#7F9BC4;padding-block:2.5rem;font-size:.8125rem}
.ftr a{color:#B9CCE4;text-decoration:none}
.ftr a:hover{color:#fff}
.ftr-top{display:flex;flex-wrap:wrap;gap:1.5rem 3rem;justify-content:space-between;padding-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,.14)}
.ftr-col p.t{color:#fff;font-weight:600;margin-bottom:.6rem}
.ftr-col ul{list-style:none;margin:0;padding:0;display:grid;gap:.4rem}
.ftr-bottom{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;padding-top:1.5rem}
.ftr-brand{display:inline-flex;align-items:center;gap:.6rem}
.ftr-brand img{width:32px;height:32px}
.ftr-legal{display:flex;flex-wrap:wrap;gap:1.25rem;margin-left:auto}
.ftr-disclaimer{margin-top:1.25rem;color:#7F9BC4;max-width:70ch}
@media(max-width:40rem){.ftr{padding-bottom:5.5rem}.ftr-legal{margin-left:0}}

/* --- whatsapp flotante --- */
.wa{position:fixed;right:1.25rem;bottom:1.25rem;z-index:40;width:52px;height:52px;border-radius:50%;
  background:var(--rojo);color:#fff;display:grid;place-items:center;
  box-shadow:0 6px 22px rgba(255,0,0,.28),0 0 0 1px rgba(255,255,255,.2);transition:transform .2s var(--ease),background-color .2s var(--ease)}
.wa:hover{transform:scale(1.06);background:var(--rojo-deep)}

/* --- lista de exámenes oficiales (índice) --- */
.lista-exo{list-style:none;margin:0;padding:0;columns:2 20rem;column-gap:2rem;font-size:.9rem}
.lista-exo li{break-inside:avoid;padding:.45rem 0 .45rem 1.1rem;border-bottom:1px solid #DCE7F3;position:relative}
.lista-exo li::before{content:"";position:absolute;left:0;top:1.05em;width:5px;height:5px;border-radius:50%;background:var(--rojo)}
.q-enun{display:block}