/* Las páginas por tema (/escandallos, /albaranes, /appcc). Mismos colores
   que la portada —marino que sujeta, naranja sólo donde se pulsa— pero
   pensadas para leer: una columna, texto a buen tamaño y respuestas claras,
   que es lo que buscan Google y los asistentes de IA. */
:root{
  --marino:#0E2E56; --marino-hondo:#081C36; --azul:#1F6FD0; --azul-suave:#E8F0FC;
  --bg:#FFFFFF; --tint-warm:#FFF3EA; --tint-neutral:#F7F5F2;
  --ink:#241C17; --muted:#6F635B; --line:rgba(36,28,23,0.10);
  --primary:#E24B12; --primary-strong:#B93A0C; --primary-bright:#FF7A3D; --positive:#2F9E44;
  --shadow:0 2px 4px -2px rgba(14,46,86,.08), 0 18px 44px -18px rgba(14,46,86,.22);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;}
h1,h2,h3{font-weight:800;letter-spacing:-0.02em;text-wrap:balance;color:var(--marino);margin:0;}
a{color:var(--primary-strong);}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px;}
.lectura{max-width:760px;}

/* Barra */
.barra{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);}
.barra .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px;}
.barra img{height:34px;width:auto;display:block;}
.barra nav{display:flex;align-items:center;gap:22px;font-size:14.5px;font-weight:650;}
.barra nav a{color:var(--ink);text-decoration:none;}
.barra nav a:hover,.barra nav a[aria-current="page"]{color:var(--primary-strong);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:750;font-size:15.5px;padding:13px 24px;border-radius:999px;text-decoration:none;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease;}
.btn:active{transform:scale(.98);}
.btn-naranja{background:linear-gradient(135deg,var(--primary),var(--primary-bright));color:#fff;box-shadow:0 16px 30px -14px rgba(226,75,18,.55);}
.btn-naranja:hover{box-shadow:0 18px 34px -12px rgba(226,75,18,.62);}
.btn-claro{background:#fff;color:var(--marino);border-color:rgba(14,46,86,.18);}
.barra .btn{padding:9px 18px;font-size:14px;}
@media (max-width:760px){ .barra nav a:not(.btn){display:none;} }

/* Portada de la página */
.cabeza{background:radial-gradient(90% 120% at 100% 0%,var(--azul-suave),transparent 60%),linear-gradient(180deg,#fff,var(--tint-neutral));border-bottom:1px solid var(--line);}
.cabeza .wrap{padding-top:56px;padding-bottom:56px;}
.migas{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.migas a{color:var(--muted);text-decoration:none;}
.migas a:hover{color:var(--primary-strong);}
.antetitulo{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin-bottom:14px;}
.cabeza h1{font-size:clamp(32px,5vw,52px);line-height:1.08;max-width:20ch;}
.entradilla{font-size:clamp(18px,2vw,20.5px);color:#3A3029;max-width:62ch;margin:20px 0 28px;}
.acciones{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.letra-pequena{font-size:14px;color:var(--muted);}

/* Cuerpo */
section{padding:64px 0;}
section + section{border-top:1px solid var(--line);}
section h2{font-size:clamp(26px,3.2vw,34px);line-height:1.15;margin-bottom:16px;}
section h3{font-size:19px;margin:28px 0 6px;}
section p{margin:0 0 16px;color:#3A3029;}
section ul,section ol{padding-left:22px;color:#3A3029;}
section li{margin-bottom:8px;}
.tinte{background:var(--tint-neutral);}

.pasos{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;counter-reset:paso;}
.pasos li{counter-increment:paso;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow);margin:0;}
.pasos li::before{content:"0" counter(paso);display:block;font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:12.5px;font-weight:700;color:var(--primary);letter-spacing:.06em;margin-bottom:8px;}
.pasos b{display:block;color:var(--marino);font-size:16.5px;margin-bottom:4px;}
.pasos span{font-size:15px;color:var(--muted);line-height:1.55;display:block;}

.rejilla{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:26px;}
.ficha{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;}
.ficha h3{margin:0 0 6px;font-size:17px;}
.ficha p{font-size:15.5px;margin:0;color:var(--muted);}

.ejemplo{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:22px;margin:24px 0;max-width:620px;}
.ejemplo table{width:100%;border-collapse:collapse;font-size:15.5px;}
.ejemplo td{padding:8px 0;border-bottom:1px solid var(--line);}
.ejemplo td:last-child{text-align:right;font-family:ui-monospace,'SF Mono',Menlo,monospace;font-variant-numeric:tabular-nums;white-space:nowrap;}
.ejemplo tr.total td{border-bottom:0;font-weight:800;color:var(--marino);}
.ejemplo .nota{font-size:14px;color:var(--muted);margin:12px 0 0;}
.ejemplo caption{text-align:left;font-weight:800;color:var(--marino);padding-bottom:6px;}

.comparar{width:100%;border-collapse:collapse;margin-top:22px;font-size:15.5px;}
.comparar th,.comparar td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;}
.comparar th{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);}
.comparar td:last-child{color:var(--marino);font-weight:650;}
.tabla-scroll{overflow-x:auto;}

.aviso{background:var(--tint-warm);border-left:3px solid var(--primary);border-radius:10px;padding:14px 18px;margin:22px 0;font-size:15.5px;}

/* Preguntas */
.preguntas{display:grid;gap:10px;margin-top:22px;}
.preguntas details{border:1px solid var(--line);border-radius:14px;padding:0 18px;background:#fff;}
.preguntas summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 0;font-weight:800;color:var(--marino);font-size:16.5px;}
.preguntas summary::-webkit-details-marker{display:none;}
.preguntas summary::after{content:"+";font-family:ui-monospace,monospace;font-size:21px;font-weight:400;color:var(--primary);flex:none;transition:transform .2s ease;}
.preguntas details[open] summary::after{transform:rotate(45deg);}
.preguntas details p{margin:0 0 16px;font-size:16px;}
@media (prefers-reduced-motion:reduce){ .preguntas summary::after{transition:none;} }

/* Otros temas */
.temas{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:22px;}
.temas a{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:16px;padding:18px 20px;background:#fff;transition:transform .2s cubic-bezier(.22,1,.36,1),border-color .15s linear;}
.temas a:hover{transform:translateY(-2px);border-color:rgba(226,75,18,.4);}
.temas b{display:block;color:var(--marino);font-size:16.5px;}
.temas span{font-size:14.5px;color:var(--muted);}

/* Cierre */
.cierre{background:linear-gradient(180deg,var(--marino),var(--marino-hondo));color:#fff;text-align:center;}
.cierre h2{color:#fff;}
.cierre p{color:rgba(255,255,255,.78);max-width:56ch;margin:0 auto 26px;}
.cierre .acciones{justify-content:center;}
.cierre .btn-claro{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}

footer{background:var(--marino-hondo);color:rgba(245,238,231,.62);font-size:14px;padding:28px 0 48px;}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
footer a{color:rgba(245,238,231,.78);text-decoration:none;margin-right:16px;}
footer a:hover{color:#fff;}
@media (max-width:600px){ body{font-size:16px;} section{padding:48px 0;} .cabeza .wrap{padding-top:40px;padding-bottom:40px;} }