/* simunav.com: portada y páginas propias */
:root{
  --navy:#0c2235; --navy-2:#123a57; --ink:#13212d; --ink-2:#4a5d6c; --line:#d3dbe1;
  --paper:#eef2f4; --card:#ffffff; --flag-red:#cf2a33; --flag-blue:#1f4c9b; --flag-yellow:#f4c20d;
  --focus:#f2a541;
  --f-head:'Barlow Condensed','Barlow',system-ui,-apple-system,sans-serif;
  --f-body:'Barlow',system-ui,-apple-system,'Segoe UI',sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.55 var(--f-body)}
a{color:var(--flag-blue)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:3px}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:10}
.skip:focus{left:8px}

/* Cabecera: drizas con las banderas de señales de cada materia */
.top{background:var(--navy);color:#e6eef4;padding:22px 0 0;position:relative;overflow:hidden}
.top .wrap{position:relative}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;width:max-content}
.brand svg{width:40px;height:40px}
.brand span{font:600 34px/1 var(--f-head);letter-spacing:.01em}
.lede{max-width:34em;margin:14px 0 0;color:#b9cad8;font-size:18px}
.hoist{position:relative;margin:30px 0 0;padding:0 0 26px}
.hoist::before{content:"";position:absolute;left:-40px;right:-40px;top:9px;height:2px;background:#5b7891}
.hoist ol{list-style:none;margin:0;padding:0;display:flex;gap:clamp(10px,2.4vw,28px);flex-wrap:wrap;position:relative}
.hoist li{position:relative;padding-top:20px}
.hoist li::before{content:"";position:absolute;left:50%;top:9px;width:1px;height:12px;background:#5b7891}
.hoist a{display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none;color:#dfe8f0;width:clamp(84px,11vw,118px)}
.hoist .flag{width:100%;aspect-ratio:3/2;box-shadow:0 2px 0 rgba(0,0,0,.25);transform-origin:50% 0;transition:transform .25s}
.hoist a:hover .flag{transform:rotate(-3deg)}
.hoist b{font:600 16px/1.15 var(--f-head);text-align:center;letter-spacing:.01em}
.hoist small{display:block;font:500 13px/1 var(--f-body);color:#8fa8bc;margin-top:3px}
@media (prefers-reduced-motion:reduce){.hoist .flag{transition:none}.hoist a:hover .flag{transform:none}}

/* Buscador */
.finder{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.finder .wrap{display:flex;align-items:center;gap:14px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.finder label{font:600 17px/1 var(--f-head)}
.finder input{flex:1;min-width:200px;font:inherit;font-size:17px;padding:9px 12px;border:1px solid #aebcc7;border-radius:6px;background:#f8fafb;color:var(--ink)}
.finder .count{color:var(--ink-2);font-size:15px}

/* Materias */
main{padding:10px 0 40px}
.cat{padding:34px 0 8px}
.cat-h{display:flex;align-items:center;gap:14px;margin:0 0 4px}
.cat-h .flag{width:48px;flex:none;box-shadow:0 1px 0 rgba(0,0,0,.2)}
.cat-h h2{font:600 30px/1.1 var(--f-head);margin:0}
.cat > p{margin:0 0 16px 62px;color:var(--ink-2)}
.list{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
.sim{background:var(--card);border:1px solid var(--line);border-radius:4px;display:grid;grid-template-rows:auto 1fr;overflow:hidden;position:relative}
.sim .shot{aspect-ratio:16/9;background:#dfe6eb;border-bottom:1px solid var(--line);overflow:hidden}
.sim .shot img{width:100%;height:100%;object-fit:cover;object-position:top left}
.sim .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px}
.sim h3{font:600 23px/1.15 var(--f-head);margin:0}
.sim h3 a{color:var(--ink);text-decoration:none}
.sim h3 a::after{content:"";position:absolute;inset:0}
.sim h3 a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.sim .tag{font-size:14px;color:var(--ink-2);margin:-4px 0 0}
.sim p{margin:0;font-size:16px;line-height:1.5}
.sim .more{display:flex;gap:6px 16px;flex-wrap:wrap;margin-top:auto;padding-top:4px;font-size:15px;position:relative;z-index:1}
.zones{display:flex;gap:8px;position:relative;z-index:1;flex-wrap:wrap}
.zones a{font:600 17px/1 var(--f-head);text-decoration:none;color:#fff;background:var(--flag-blue);padding:8px 12px;border-radius:3px}
.zones a:hover{background:var(--navy-2)}
.empty{padding:40px 0;color:var(--ink-2);font-size:18px}
[hidden]{display:none!important}

/* Pie */
.foot{background:var(--navy);color:#b9cad8;padding:28px 0 36px;font-size:15px}
.foot a{color:#e6eef4}
.foot .wrap{display:grid;gap:10px 40px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.foot p{margin:0}

/* Páginas de texto (profesorado, manual, licencia) */
.doc-top{background:var(--navy);color:#e6eef4;padding:16px 0}
.doc-top .brand span{font-size:26px}
.doc-top .brand svg{width:30px;height:30px}
.crumbs{font-size:15px;color:#8fa8bc;margin:10px 0 0}
.crumbs a{color:#dfe8f0}
.doc{max-width:46em;margin:0 auto;padding:30px 20px 60px}
.doc h1{font:600 40px/1.1 var(--f-head);margin:0 0 10px}
.doc h2{font:600 27px/1.2 var(--f-head);margin:34px 0 8px}
.doc h3{font:600 21px/1.25 var(--f-head);margin:24px 0 6px}
.doc p,.doc li{max-width:42em}
.doc li{margin:4px 0}
.doc li > ul{margin:4px 0}
.doc code{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:.88em;background:#e2e9ee;padding:1px 4px;border-radius:3px}
.doc pre{background:#e2e9ee;padding:12px 14px;overflow:auto;border-radius:4px}
.doc table{border-collapse:collapse;width:100%;font-size:15.5px;margin:12px 0;display:block;overflow-x:auto}
.doc th,.doc td{border:1px solid var(--line);padding:6px 9px;text-align:left;vertical-align:top}
.doc th{background:#e2e9ee;font-weight:600}
.doc figure{margin:16px 0}
.doc figcaption{font-size:15px;color:var(--ink-2)}
.doc .open{display:inline-block;margin:6px 0 4px;font:600 19px/1 var(--f-head);background:var(--flag-blue);color:#fff;text-decoration:none;padding:11px 16px;border-radius:3px}
.doc .open:hover{background:var(--navy-2)}
.doc .lead{font-size:19px;color:var(--ink-2)}
.notes-list{list-style:none;padding:0;margin:18px 0}
.notes-list li{border-top:1px solid var(--line);padding:12px 0;margin:0}
.notes-list a{font:600 21px/1.2 var(--f-head);text-decoration:none}
.notes-list a:hover{text-decoration:underline}
.notes-list span{display:block;color:var(--ink-2);font-size:15.5px}
@media (max-width:640px){
  body{font-size:16px}
  .hoist{margin-left:-20px;margin-right:-20px}
  .hoist ol{flex-wrap:nowrap;overflow-x:auto;padding:0 20px 4px;scrollbar-width:none;gap:14px}
  .hoist ol::-webkit-scrollbar{display:none}
  .hoist li{flex:none}
  .hoist a{width:96px}
  .finder label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .finder .wrap{flex-wrap:nowrap;gap:10px}
  .finder input{min-width:0}
  .finder .count{font-size:14px;white-space:nowrap}
  .brand span{font-size:30px}
  .cat > p{margin-left:0}
  .list{grid-template-columns:1fr}
  .doc h1{font-size:33px}
}
@media print{.top,.finder,.foot,.doc-top{display:none}body{background:#fff}}