:root{
  /* Acento de marca: AZUL CONFIANZA. --verde queda como alias por compatibilidad
     con estilos inline de build.mjs (no renombrar romperia esas paginas). */
  --acento:#0369a1; --acento-osc:#075985; --acento-suave:#f0f9ff;
  --verde:var(--acento); --verde-osc:var(--acento-osc); --verde-suave:var(--acento-suave);
  --tinta:#0f172a; --gris:#64748b;
  --papel:#ffffff; --fondo:#f8fafc; --borde:#e2e8f0; --error:#be123c;
  --borde-acento:#bae6fd;
  --sombra:0 10px 30px rgba(3,105,161,.12); --sombra-hover:0 18px 44px rgba(3,105,161,.20);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
:root[data-theme="dark"]{
  --acento:#38bdf8; --acento-osc:#0ea5e9; --acento-suave:rgba(56,189,248,.12);
  --tinta:#f8fafc; --gris:#94a3b8;
  --papel:#0f172a; --fondo:#020617; --borde:#334155; --error:#f1998c;
  --borde-acento:#0e4a6b;
  --sombra:0 10px 30px rgba(0,0,0,.45); --sombra-hover:0 18px 44px rgba(0,0,0,.6);
}
:root[data-theme="dark"] .buscador input,:root[data-theme="dark"] textarea{background:#0f172a;color:#f8fafc}
:root[data-theme="dark"] .buscador input:focus,:root[data-theme="dark"] textarea:focus{outline:3px solid #0e4a6b}
:root[data-theme="dark"] .buscador button{color:#04283b}
:root[data-theme="dark"] .resultado.ok,:root[data-theme="dark"] .resumen,:root[data-theme="dark"] .respuesta{background:#0c2436;color:#bae6fd;border-color:#0e4a6b}
:root[data-theme="dark"] .resultado.mal,:root[data-theme="dark"] tr.mal td{background:#33201d;color:#f1998c;border-color:#5a322c}
:root[data-theme="dark"] tr.corregido td{background:#2a2413}
:root[data-theme="dark"] .banda,:root[data-theme="dark"] .aviso{background:#2a2413;border-color:#4a3f1e}
:root[data-theme="dark"] .banda h2,:root[data-theme="dark"] .banda a,:root[data-theme="dark"] .aviso b,:root[data-theme="dark"] .aviso a{color:#e5c25c}
:root[data-theme="dark"] .banda p,:root[data-theme="dark"] .aviso p{color:#c4b482}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--fondo);color:var(--tinta);line-height:1.65;font-size:18px;-webkit-font-smoothing:antialiased}
.wrap{max-width:900px;margin:0 auto;padding:0 18px}
a{transition:color .18s ease}
:focus-visible{outline:3px solid var(--acento);outline-offset:2px;border-radius:6px}

header.top{padding:15px 0;border-bottom:1px solid var(--borde);background:var(--papel);position:sticky;top:0;z-index:20}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.logo{font-size:23px;font-weight:800;color:var(--acento);text-decoration:none}
.acciones{display:flex;gap:16px;align-items:center}
nav{display:flex;gap:20px;font-size:16px}
nav a{color:var(--gris);text-decoration:none;font-weight:600}
nav a:hover{color:var(--acento)}
#tema{background:var(--papel);border:1px solid var(--borde);border-radius:12px;font-size:19px;padding:9px 12px;cursor:pointer;line-height:1;transition:border-color .18s ease,transform .18s ease}
#tema:hover{border-color:var(--acento);transform:rotate(-8deg)}

.hero{text-align:center;padding:22px 0 40px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% 0 auto 0;height:420px;background:radial-gradient(60% 100% at 50% 0,var(--acento-suave),transparent 70%);opacity:.9;z-index:-1;pointer-events:none}
.kicker{display:inline-block;font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--acento);background:var(--acento-suave);border:1px solid var(--borde-acento);border-radius:99px;padding:8px 18px;margin-bottom:20px}
.hero h1{font-size:clamp(32px,5vw,50px);line-height:1.1;max-width:720px;margin:0 auto 18px;letter-spacing:-.02em}
.hero p.sub{color:var(--gris);max-width:620px;margin:0 auto 34px;font-size:20px}

.buscador{max-width:620px;margin:0 auto}
.buscador input{width:100%;font-size:32px;text-align:center;padding:26px 22px;border:2px solid var(--acento);border-radius:18px;box-shadow:var(--sombra);font-family:inherit;transition:box-shadow .2s ease}
.buscador input:focus{outline:4px solid var(--borde-acento);box-shadow:var(--sombra-hover)}
.buscador button{margin-top:16px;width:100%;background:var(--acento);color:#fff;border:0;border-radius:16px;font-size:24px;font-weight:800;padding:22px;cursor:pointer;box-shadow:var(--sombra);transition:background .18s ease,transform .12s ease,box-shadow .18s ease}
.buscador button:hover{background:var(--acento-osc);box-shadow:var(--sombra-hover)}
.buscador button:active{transform:translateY(2px)}
.resultado{margin-top:18px;font-size:19px;border-radius:12px;padding:17px 19px;display:none;text-align:left;animation:aparece .25s ease}
.resultado.ok{display:block;background:var(--acento-suave);color:var(--acento-osc);border:1px solid var(--borde-acento)}
.resultado.mal{display:block;background:#fdecea;color:var(--error);border:1px solid #f5c6c0}
.privacidad{margin-top:18px;font-size:14.5px;color:var(--gris)}
/* Resultado enriquecido del validador */
.rut-head{font-size:21px;font-weight:800;color:var(--tinta);line-height:1.3}
.rut-head b{color:var(--acento)}
.rut-nota{font-size:14.5px;color:var(--gris);margin-top:5px}
.rut-chips{display:flex;flex-wrap:wrap;gap:8px;margin:13px 0 2px}
.rut-chip{background:var(--papel);border:1px solid var(--borde-acento);color:var(--tinta);border-radius:99px;padding:6px 13px;font-size:14px;font-weight:600}
.rut-chip b{color:var(--acento)}
.rut-cta{display:inline-block;margin-top:14px;background:var(--acento);color:#fff;text-decoration:none;font-weight:700;font-size:15.5px;padding:12px 18px;border-radius:12px;transition:background .18s ease,transform .12s ease}
.rut-cta:hover{background:var(--acento-osc)}
.rut-cta:active{transform:translateY(1px)}
:root[data-theme="dark"] .rut-cta{color:#04283b}
@keyframes aparece{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.accesos{padding:8px 0 52px}
.accesos h2{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--gris);text-align:center;margin-bottom:16px}
.lista{max-width:620px;margin:0 auto;display:flex;flex-direction:column;gap:13px}
.accesos h2.sec-tit{max-width:620px;margin:36px auto 16px;text-align:left;text-transform:none;letter-spacing:0;font-size:24px;color:var(--tinta);font-weight:800;padding-left:15px;border-left:5px solid var(--acento)}
.accesos h2.sec-tit:first-of-type{margin-top:6px}
.anuncio{margin:32px 0;min-height:1px}
.item{display:flex;align-items:center;gap:17px;background:var(--papel);border:1px solid var(--borde);border-radius:16px;padding:20px 22px;text-decoration:none;color:var(--tinta);box-shadow:0 2px 8px rgba(21,32,46,.05);transition:transform .16s ease,box-shadow .18s ease,border-color .18s ease}
.item:hover{border-color:var(--acento);transform:translateY(-3px);box-shadow:var(--sombra-hover)}
.item .ico{flex:none;width:58px;height:58px;border-radius:15px;background:var(--acento-suave);display:flex;align-items:center;justify-content:center;font-size:29px}
.item b{font-size:19.5px;line-height:1.3}
.item small{display:block;color:var(--gris);font-size:15.5px;margin-top:3px}
.item .badge{margin-left:auto;font-size:12px;font-weight:700;background:var(--acento-suave);color:var(--acento);border-radius:8px;padding:5px 11px;white-space:nowrap}
.item::after{content:"→";margin-left:8px;color:var(--acento);font-size:22px;opacity:0;transform:translateX(-6px);transition:opacity .18s ease,transform .18s ease}
.item:hover::after{opacity:1;transform:none}

.banda{background:#fff9e8;border:1px solid #f0e2b6;border-radius:0;padding:24px 0}
.banda .wrap{display:flex;gap:14px;align-items:flex-start;max-width:760px}
.banda h2{font-size:18px;margin-bottom:4px;color:#7a5d00}
.banda p{font-size:16px;color:#6e5e2e}
.banda a{color:#7a5d00;font-weight:700}

/* Paginas interiores */
.miga{font-size:15px;color:var(--gris);padding:18px 0 0}
.miga a{color:var(--acento);text-decoration:none}
.miga a:hover{text-decoration:underline}
article{padding:10px 0 52px}
article h1{font-size:clamp(27px,4.2vw,37px);line-height:1.2;margin:10px 0 8px;letter-spacing:-.015em}
.meta{font-size:15px;color:var(--gris);margin-bottom:24px}
.meta b{color:var(--acento)}
.respuesta{position:relative;background:var(--acento-suave);border:1px solid var(--borde-acento);border-left:6px solid var(--acento);border-radius:16px;padding:24px 26px;margin-bottom:32px;box-shadow:var(--sombra)}
.respuesta .titulo{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--acento);margin-bottom:9px}
.respuesta .titulo::before{content:"✓";display:inline-flex;align-items:center;justify-content:center;width:23px;height:23px;border-radius:99px;background:var(--acento);color:#fff;font-size:14px}
.respuesta p{font-size:22px;line-height:1.55}
.resumen{margin-top:18px;background:var(--acento-suave);border:1px solid var(--borde-acento);border-radius:12px;padding:16px 18px;font-size:16px;color:var(--tinta)}
/* Enlaces dentro del texto: color de marca (evita el azul/morado del navegador).
   Las tarjetas .rel y .aviso a mantienen su propio color por mayor especificidad. */
article a{color:var(--acento);font-weight:600;text-decoration:underline;text-underline-offset:2px}
article a:hover{text-decoration:none}
.respuesta a{color:var(--acento);font-weight:700}
article h2{font-size:23px;color:var(--acento);margin:34px 0 14px;line-height:1.25;letter-spacing:-.01em}
article p{margin-bottom:15px;font-size:18.5px}
.paso{display:flex;gap:17px;background:var(--papel);border:1px solid var(--borde);border-radius:16px;padding:20px 22px;margin-bottom:13px;transition:transform .16s ease,box-shadow .18s ease,border-color .18s ease}
.paso:hover{border-color:var(--acento);transform:translateY(-2px);box-shadow:var(--sombra)}
.paso .num{flex:none;width:46px;height:46px;border-radius:99px;background:var(--acento-suave);color:var(--acento);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:21px}
.paso h3{font-size:20px;margin-bottom:6px}
.paso p{font-size:17px;color:var(--gris);margin:0}
.paso a.fuente{display:inline-block;margin-top:11px;font-size:14.5px;font-weight:700;color:var(--acento);text-decoration:none}
.paso a.fuente:hover{text-decoration:underline}
.aviso{background:#fff9e8;border:1px solid #f0e2b6;border-radius:14px;padding:19px 21px;margin:28px 0}
.aviso b{color:#7a5d00;font-size:17.5px}
.aviso p{font-size:16.5px;color:#6e5e2e;margin:6px 0 0}
.aviso a{color:#7a5d00;font-weight:700}
details{background:var(--papel);border:1px solid var(--borde);border-radius:14px;margin-bottom:11px;padding:0 22px;transition:border-color .18s ease,box-shadow .18s ease}
details[open]{border-color:var(--acento);box-shadow:var(--sombra)}
summary{position:relative;font-weight:700;font-size:19px;padding:19px 36px 19px 0;cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"⌄";position:absolute;right:2px;top:50%;transform:translateY(-60%);font-size:26px;color:var(--acento);transition:transform .22s ease}
details[open] summary::after{transform:translateY(-40%) rotate(180deg)}
details p{font-size:17px;color:var(--gris);padding-bottom:19px;margin:0}
.relacionados{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:13px;margin-top:13px}
.rel{background:var(--papel);border:1px solid var(--borde);border-radius:14px;padding:17px 19px;text-decoration:none;color:var(--tinta);font-size:16.5px;font-weight:700;transition:transform .16s ease,box-shadow .18s ease,border-color .18s ease}
.rel:hover{border-color:var(--acento);transform:translateY(-2px);box-shadow:var(--sombra)}
.rel small{display:block;color:var(--gris);font-weight:400;font-size:14.5px;margin-top:4px}
.verificado{display:flex;gap:10px;align-items:center;font-size:14.5px;color:var(--gris);border-top:1px solid var(--borde);margin-top:34px;padding-top:17px}
article ul.lista-check{list-style:none;margin:0 0 20px;display:flex;flex-direction:column;gap:11px}
article ul.lista-check li{position:relative;padding-left:34px;font-size:18.5px}
article ul.lista-check li::before{content:"✔";position:absolute;left:0;top:1px;color:var(--acento);font-weight:800;font-size:19px}
.tabla-wrap{overflow-x:auto;margin:0 0 22px;border:1px solid var(--borde);border-radius:14px;box-shadow:0 2px 8px rgba(21,32,46,.05)}
table.tabla-datos{width:100%;border-collapse:collapse;font-size:17px;min-width:460px}
table.tabla-datos th{text-align:left;background:var(--acento-suave);color:var(--acento);font-size:15px;padding:15px 17px;border-bottom:2px solid var(--borde)}
table.tabla-datos td{padding:14px 17px;border-bottom:1px solid var(--borde);vertical-align:top}
table.tabla-datos tr:last-child td{border-bottom:0}
article h2{scroll-margin-top:84px}

footer.pie{padding:44px 0 30px;color:var(--gris);font-size:15px;border-top:1px solid var(--borde);background:var(--papel)}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:28px;margin-bottom:28px}
.fcol h4{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--acento);margin-bottom:13px}
.fcol ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.fcol a{color:var(--tinta);text-decoration:none;font-size:16px}
.fcol a:hover{color:var(--acento);text-decoration:underline}
.fbase{border-top:1px solid var(--borde);padding-top:18px;text-align:center;font-size:14px}

@media (max-width:600px){
  body{font-size:17px}
  nav{display:none}
  .hero{padding:16px 0 30px}
  .buscador input{font-size:25px;padding:20px}
  .buscador button{padding:18px;font-size:21px}
  .item .ico{width:50px;height:50px;font-size:25px}
  .respuesta p{font-size:19.5px}
  article p{font-size:17.5px}
  article h2{font-size:23px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}