/* Estilos compartidos de las páginas de contenido (guías, FAQ, acerca, contacto, privacidad) */
:root{
  --bg:#F3F5F4; --surface:#FFFFFF; --fg:#16201C; --muted:#5B6964; --line:#D8E0DC;
  --accent:#1C6A56; --accent-ink:#FFFFFF; --accent-soft:#E2EEE9; --gold:#B9862F;
  --f-display:"Newsreader", Georgia, "Times New Roman", serif;
  --f-body:"Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0F1513; --surface:#161E1B; --fg:#E7EDEA; --muted:#97A6A0; --line:#26322E;
  --accent:#5FC0A2; --accent-ink:#0B1310; --accent-soft:#1A2A25; --gold:#E2B866; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0F1513; --surface:#161E1B; --fg:#E7EDEA; --muted:#97A6A0; --line:#26322E;
  --accent:#5FC0A2; --accent-ink:#0B1310; --accent-soft:#1A2A25; --gold:#E2B866; color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.7 var(--f-body);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
/* cabecera */
.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
.top .in{max-width:780px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.brand{font:600 19px/1.2 var(--f-display);color:var(--fg);text-decoration:none;margin-right:auto}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:6px 10px;border-radius:8px;font-size:14px;color:var(--muted);text-decoration:none}
.nav a:hover{color:var(--fg);background:var(--accent-soft)}
.nav a.on{color:var(--accent);font-weight:600}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:2px;gap:2px}
.lang a{border-radius:999px;padding:4px 9px;font:600 12px/1 var(--f-body);letter-spacing:.04em;color:var(--muted);text-decoration:none}
.lang a:hover{color:var(--fg)}
.lang a.on{background:var(--accent);color:var(--accent-ink)}
@media (max-width:620px){.top .lang{order:1}.nav{order:2;flex-basis:100%}}
/* contenido */
main{max-width:720px;margin:0 auto;padding:40px 16px 56px}
.eyebrow{font:600 12px/1 var(--f-body);letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
h1{font:600 42px/1.1 var(--f-display);margin:10px 0 10px;letter-spacing:-.01em}
.lead{font-size:19px;color:var(--muted);margin:0 0 8px}
.meta{color:var(--muted);font-size:14px;margin:0 0 28px}
article h2{font:600 27px/1.25 var(--f-display);margin:38px 0 8px}
article h3{font:600 20px/1.3 var(--f-display);margin:26px 0 6px}
article p,article li{margin:0 0 14px}
article ul,article ol{padding-left:22px;margin:0 0 14px}
article li{margin-bottom:8px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin:0 0 12px}
.box h2{margin-top:0;font-size:22px}
.box p:last-child{margin-bottom:0}
.tip{border-left:3px solid var(--gold);background:var(--surface);border-radius:0 10px 10px 0;padding:14px 18px;margin:18px 0}
table{width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:15px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600}
.scroll{overflow-x:auto}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:0 0 10px}
details summary{cursor:pointer;font-weight:600;list-style-position:outside}
details[open] summary{margin-bottom:8px}
details p:last-child{margin-bottom:0}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;color:var(--fg);text-decoration:none}
.card:hover{border-color:var(--accent)}
.card b{display:block;font:600 21px/1.25 var(--f-display);margin-bottom:6px}
.card span{color:var(--muted);font-size:15px}
@media (max-width:620px){.cards{grid-template-columns:1fr}h1{font-size:34px}article h2{font-size:24px}}
.cta{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:12px 18px;border-radius:10px;background:var(--accent);color:var(--accent-ink);font-weight:600;text-decoration:none}
.cta:hover{filter:brightness(1.06)}
.mail{font:600 22px/1.3 var(--f-display)}
/* preguntas de ejemplo (páginas de exámenes) */
.qz{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:0 0 12px}
.qz-t{margin:0 0 6px;font-weight:500}
.qz-tag{display:inline-block;font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 9px;margin-bottom:8px}
.qz ol{margin:0 0 10px;padding-left:24px}.qz li{margin-bottom:4px}
.qz details{background:none;border:0;padding:0;margin:0}
.qz summary{color:var(--accent);font-size:15px}
/* pie */
.site-foot{max-width:780px;margin:0 auto;padding:22px 16px 34px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:center}
.site-foot a{color:inherit}
/* cortina de carga */
.curtain{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:rgba(0,0,0,.75);transition:opacity .38s ease,visibility .38s}
.curtain.out{opacity:0;visibility:hidden;pointer-events:none}
.curtain .c-in{display:flex;flex-direction:column;align-items:center;gap:18px}
.curtain svg{width:76px;height:76px}
.curtain .dot{transform-box:fill-box;transform-origin:center;animation:c-pop 1.2s ease-in-out infinite}
.curtain .d2{animation-delay:.18s}.curtain .d3{animation-delay:.36s}
@keyframes c-pop{0%,100%{transform:scale(.3);opacity:.25}35%,70%{transform:scale(1);opacity:1}}
.curtain .c-name{font:600 20px/1.2 var(--f-display);color:#F6EEDC;letter-spacing:.01em}
@media (prefers-reduced-motion: reduce){.curtain .dot{animation:none}.curtain{transition:none}}