*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#1d2330;background:#fbfaf7}
a{color:var(--c);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}
img{max-width:100%;height:auto;display:block;border-radius:14px}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
/* acceso: salto al contenido y foco siempre visible */
.saltar{position:absolute;left:-999px;top:0;z-index:99;background:#1d2330;color:#fff;font-weight:700;padding:12px 18px;border-radius:0 0 12px 0;text-decoration:none}
.saltar:focus{left:8px;top:8px;outline:3px solid var(--c);outline-offset:2px}
a:focus-visible,summary:focus-visible,.tabla:focus-visible{outline:3px solid var(--c);outline-offset:2px;border-radius:4px}
#contenido:focus{outline:none}
header.top{background:#fff;border-bottom:1px solid #e7e4dc}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap}
.logo{font-weight:800;font-size:20px;color:#1d2330;text-decoration:none;letter-spacing:-.3px}.logo span{color:var(--c)}
nav.menu{display:flex;gap:16px;flex-wrap:wrap;font-size:15px}nav.menu a{color:#454e5e;text-decoration:none}nav.menu a:hover{text-decoration:underline}
.migas{font-size:14px;color:#525a68;margin-top:14px}.migas a{color:#525a68}
/* jerarquia: secciones separadas y titulares que llevan la vista hasta el boton */
h1{font-size:clamp(28px,6vw,40px);line-height:1.15;letter-spacing:-.6px;margin:24px 0 10px}
h2{font-size:clamp(21px,4.6vw,26px);line-height:1.25;margin:42px 0 12px;padding-top:18px;border-top:2px solid #eae7df}
h3{font-size:19px;margin:24px 0 6px}
.corta h2,.costos h2,.metodo h2{margin-top:0;padding-top:0;border-top:0}
.meta{color:#525a68;font-size:14px}
.aviso{background:#fff7e0;border:1px solid #f0d78c;border-left:5px solid #e8b80a;border-radius:12px;padding:14px 16px;font-size:15px;margin:20px 0}
/* respuesta corta */
.corta{background:#eef1ff;background:color-mix(in srgb,var(--c) 7%,#fff);border:1px solid #d6d9e8;border:1px solid color-mix(in srgb,var(--c) 30%,#fff);border-left:5px solid var(--c);border-radius:14px;padding:16px 18px;margin:20px 0}
.corta h2{font-size:19px;margin-bottom:6px}.corta p{margin:6px 0}
/* tabla comparativa: escritorio = tabla con primera columna fija y sombra de scroll; <560px = tarjetas */
.tabla{overflow-x:auto;margin:14px 0 18px;border:1px solid #e3e0d8;border-radius:12px;background-color:#fff;
background-image:linear-gradient(to right,#fff 30%,rgba(255,255,255,0)),linear-gradient(to left,#fff 30%,rgba(255,255,255,0)),linear-gradient(to right,rgba(29,35,48,.18),rgba(29,35,48,0)),linear-gradient(to left,rgba(29,35,48,.18),rgba(29,35,48,0));
background-repeat:no-repeat;background-position:0 0,100% 0,0 0,100% 0;background-size:44px 100%,44px 100%,14px 100%,14px 100%;background-attachment:local,local,scroll,scroll}
table{border-collapse:collapse;width:100%;min-width:540px;font-size:15px}
caption{caption-side:top;text-align:left;font-weight:700;font-size:15px;color:#454e5e;padding:10px 12px 6px}
th,td{border:1px solid #e3e0d8;padding:9px 12px;text-align:left;vertical-align:top}
tr:first-child th{background:#f2f0ea}
th[scope=row]{position:sticky;left:0;z-index:1;background:#fff;font-weight:600;min-width:96px;box-shadow:inset -1px 0 0 #d9d5cb;background-clip:padding-box}
tr:first-child th:first-child{position:sticky;left:0;z-index:2;background:#f2f0ea}
td{font-variant-numeric:tabular-nums}
.tabla-movil{display:none}
@media (max-width:559px){
.tabla{display:none}
.tabla-movil{display:grid;gap:12px;margin:14px 0 18px}
.tcard{background:#fff;border:1px solid #e7e4dc;border-left:5px solid var(--c);border-radius:12px;padding:10px 14px 12px}
.ttit{font-weight:800;font-size:17px;margin-bottom:2px}
.tfila{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:7px 0;border-top:1px dashed #e7e4dc;font-size:15px}
.tfila dt{color:#454e5e}.tfila dd{margin:0;font-weight:700;text-align:right}
}
/* tarjeta de opcion: nombre, precio, pros/contras y el boton con su nota */
.opcion{background:#fff;border:1px solid #e7e4dc;border-left:5px solid var(--c);border-radius:14px;padding:14px 18px 16px;margin:22px 0;box-shadow:0 1px 3px rgba(29,35,48,.06)}
.opcion h3{margin:2px 0 4px;font-size:21px}
.precio{font-weight:700;font-size:17px;margin:4px 0 10px}
.pros,.contras{padding-left:1.3em;margin:8px 0}.pros li,.contras li{margin:4px 0}
.pros li::marker{content:"\2714\00a0 ";color:#15803d}.contras li::marker{content:"\2716\00a0 ";color:#b91c1c}
.cta{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin:14px 0 4px}
.btn{display:inline-block;background:var(--c);color:#fff!important;text-decoration:none;font-weight:700;padding:14px 24px;border-radius:999px;box-shadow:0 2px 0 rgba(29,35,48,.2)}
.btn:hover{filter:brightness(1.08)}
.nota-af{display:block;font-size:14px;line-height:1.45;color:#454e5e;border-left:3px solid #c9cdd8;padding-left:10px;max-width:60ch}
.pend{display:inline-block;background:#fde2e1;color:#9b1c1c;font-weight:700;padding:10px 16px;border-radius:10px}
/* bloques de contexto: costos, restricciones y metodo */
.caja{background:#fff;border:1px solid #e7e4dc;border-radius:14px;padding:16px 18px;margin:18px 0}
.alerta{background:#fdf2f2;border:1px solid #f5c2c2;border-left:5px solid #dc2626;border-radius:12px;padding:12px 16px;margin:18px 0}
.costos{background:#fff;border:1px solid #e7e4dc;border-left:5px solid #b45309;border-radius:14px;padding:16px 18px;margin:22px 0}
.costos ul{margin:8px 0 4px;padding-left:1.3em}.costos li{margin:6px 0}
.metodo{background:#f4f3ee;border:1px solid #e3e0d8;border-radius:14px;padding:16px 18px;margin:22px 0}
.metodo ol{margin:8px 0;padding-left:1.3em}.metodo li{margin:6px 0}
.fuentes{font-size:14.5px}.fuentes li{margin:4px 0;overflow-wrap:anywhere}
.hermanas a{border-left:4px solid var(--c)}
.tarjetas{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:18px 0}
.tarjetas a{display:block;background:#fff;border:1px solid #e7e4dc;border-radius:14px;padding:16px;text-decoration:none;color:#1d2330;transition:border-color .15s,transform .15s}
.tarjetas a:hover{border-color:var(--c);transform:translateY(-2px)}
.tarjetas a strong{display:block;color:var(--c);margin-bottom:4px}
details{background:#fff;border:1px solid #e7e4dc;border-radius:12px;padding:12px 16px;margin:10px 0}
summary{font-weight:700;cursor:pointer}details[open] summary{margin-bottom:6px}
footer{margin-top:60px;background:#1d2330;color:#cbd2de;font-size:14px;padding:28px 0}footer a{color:#fff}
@media (max-width:559px){
h1{margin-top:18px}
.cta{align-items:stretch}
.btn{display:block;text-align:center;padding:15px 18px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}