:root{--petroleo:#164350;--petroleo-hondo:#0f323c;--lima:#CCD748;--turquesa:#83EBDE;--menta:#92E0C5;--papel:#fff;--niebla:#eef6f5;--tinta:#16323a;--tinta-suave:#4b6870;--linea:#d5e6e4;
--f-titulo:"Century Gothic","Jost","Futura","Avenir Next",system-ui,sans-serif;--f-texto:"Helvetica Neue","Inter",Helvetica,Arial,sans-serif;--radio:14px;--ancho:1180px;color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--papel);color:var(--tinta);font-family:var(--f-texto);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--f-titulo);line-height:1.15;margin:0;text-wrap:balance;font-weight:700}
p{margin:0}
.envoltura{max-width:var(--ancho);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.ceja{font-family:var(--f-titulo);font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--petroleo)}
.boton{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-titulo);font-weight:600;font-size:1rem;text-decoration:none;padding:14px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease}
.boton-lima{background:var(--lima);color:var(--petroleo)}
.boton-lima:hover{transform:translateY(-2px);background:#d8e35c}
.boton-borde{border-color:rgba(255,255,255,.5);color:#fff}
.boton-borde:hover{border-color:var(--turquesa);color:var(--turquesa)}
:focus-visible{outline:3px solid var(--turquesa);outline-offset:3px;border-radius:6px}

/* Cabecera (igual al inicio) */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--petroleo)}
.cabecera{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(22,67,80,.96);backdrop-filter:blur(8px);color:#fff;border-bottom:1px solid rgba(131,235,222,.15)}
.cabecera .envoltura{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.cabecera .logo img{height:36px;width:auto}
.menu{display:flex;align-items:center;gap:28px;font-family:var(--f-titulo);font-size:.95rem}
.menu a{text-decoration:none;opacity:.88;transition:opacity .2s,color .2s}
.menu a:hover,.menu a[aria-current]{opacity:1;color:var(--turquesa)}
.menu .boton{opacity:1;padding:10px 20px;font-size:.92rem}
.menu .boton:hover{color:var(--petroleo)}
.alternar{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer}
.alternar span{display:block;width:24px;height:2px;background:currentColor;margin:5px 0;transition:transform .25s,opacity .25s}

/* Encabezado de página */
.encabezado{background:var(--petroleo);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.encabezado::before{content:"";position:absolute;right:-220px;top:-260px;width:720px;height:720px;border-radius:50%;border:3px solid rgba(131,235,222,.18);z-index:-1}
.encabezado .envoltura{padding-block:clamp(48px,7vw,88px) clamp(72px,9vw,120px)}
.migas{font-size:.88rem;color:#a9cacb;display:flex;flex-wrap:wrap;gap:8px}
.migas a{text-decoration:none}.migas a:hover{color:var(--turquesa)}
.encabezado .ceja{color:var(--lima);margin-top:26px;display:block}
.encabezado h1{font-size:clamp(2.1rem,4.6vw,3.5rem);margin-top:14px;max-width:22ch}
.encabezado .bajada{color:#d6e9e8;font-size:clamp(1.05rem,1.5vw,1.2rem);max-width:60ch;margin-top:18px}
.meta{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:22px;font-size:.92rem;color:#a9cacb}
.meta span+span::before{content:"·";margin-right:18px;color:var(--turquesa)}

/* Índice del blog */
.listado{padding-block:clamp(48px,7vw,88px)}
.destacado{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(24px,4vw,56px);align-items:center;text-decoration:none;margin-top:calc(-1 * clamp(90px,10vw,140px));background:#fff;border-radius:var(--radio);box-shadow:0 24px 60px -24px rgba(22,67,80,.35);overflow:hidden;position:relative}
.destacado img{aspect-ratio:16/9;object-fit:cover;width:100%}
.destacado .txt{padding:28px clamp(22px,3vw,40px) 28px 0}
.destacado h2{font-size:clamp(1.5rem,2.6vw,2.1rem);color:var(--petroleo);margin-top:10px}
.destacado p.res{color:var(--tinta-suave);margin-top:12px}
.tarjetas{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
.tarjeta{display:flex;flex-direction:column;text-decoration:none;border:1px solid var(--linea);border-radius:var(--radio);overflow:hidden;background:#fff;transition:transform .2s,box-shadow .2s;min-width:0}
.tarjeta:hover,.destacado:hover{transform:translateY(-3px);box-shadow:0 22px 50px -26px rgba(22,67,80,.45)}
.destacado{transition:transform .2s,box-shadow .2s}
.tarjeta img{aspect-ratio:16/9;object-fit:cover;width:100%}
.tarjeta .txt{padding:22px 22px 26px;display:grid;gap:10px;flex:1;align-content:start}
.tarjeta h3{font-size:1.2rem;color:var(--petroleo);line-height:1.25}
.tarjeta p.res{font-size:.95rem;color:var(--tinta-suave);line-height:1.5}
.fecha{font-size:.85rem;color:var(--tinta-suave)}
.leer{font-family:var(--f-titulo);font-weight:600;color:var(--petroleo);display:inline-flex;align-items:center;gap:8px;margin-top:6px;font-size:.95rem}

/* Artículo */
.portada-art{margin-top:calc(-1 * clamp(56px,7vw,96px));position:relative}
.portada-art img{border-radius:var(--radio);box-shadow:0 24px 60px -24px rgba(22,67,80,.4);width:100%;max-width:960px;aspect-ratio:16/9;object-fit:cover}
.cuerpo-art{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:clamp(32px,5vw,72px);padding-block:clamp(40px,5vw,64px) clamp(56px,7vw,88px);align-items:start}
.texto{max-width:68ch;font-size:1.08rem;line-height:1.75}
.texto p{margin:0 0 1.2em}
.texto h2{font-size:clamp(1.45rem,2.4vw,1.85rem);color:var(--petroleo);margin:1.8em 0 .7em}
.texto ul{margin:0 0 1.3em;padding:0;list-style:none;display:grid;gap:.6em}
.texto li{position:relative;padding-left:22px}
.texto li::before{content:"";position:absolute;left:0;top:.7em;width:9px;height:9px;border-radius:50%;background:var(--menta)}
.texto strong{color:var(--petroleo)}
.texto em{font-style:italic}
.fuentes{margin-top:2.2em;padding-top:1.4em;border-top:1px solid var(--linea);font-size:.9rem;line-height:1.6;color:var(--tinta-suave)}
.fuentes strong{color:var(--tinta-suave)}
.lateral{position:sticky;top:100px;display:grid;gap:18px}
.dato{background:var(--petroleo);color:#fff;border-radius:var(--radio);padding:26px 24px}
.dato b{font-family:var(--f-titulo);font-size:2.8rem;line-height:1;color:var(--lima);display:block}
.dato span{display:block;margin-top:10px;color:#cfe3e3;font-size:.95rem;line-height:1.45}
.compartir{border:1px solid var(--linea);border-radius:var(--radio);padding:20px 22px;font-size:.92rem;color:var(--tinta-suave)}
.compartir b{font-family:var(--f-titulo);color:var(--petroleo);display:block;margin-bottom:10px}
.compartir a{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--petroleo);font-weight:600;margin-right:14px}
.compartir a:hover{text-decoration:underline}
.llamado{background:var(--niebla)}
.llamado .envoltura{display:grid;grid-template-columns:1fr auto;gap:24px 48px;align-items:center;padding-block:clamp(48px,6vw,72px)}
.llamado h2{font-size:clamp(1.6rem,3vw,2.3rem);color:var(--petroleo)}
.llamado p{color:var(--tinta-suave);margin-top:10px;max-width:56ch}
.llamado .acciones{display:flex;flex-wrap:wrap;gap:12px}
.llamado .boton-petroleo{background:var(--petroleo);color:#fff}
.llamado .boton-petroleo:hover{background:var(--petroleo-hondo);transform:translateY(-2px)}
.mas{padding-block:clamp(48px,6vw,80px)}
.mas h2{font-size:clamp(1.5rem,2.6vw,2rem);color:var(--petroleo)}
.mas .tarjetas{margin-top:28px}

/* Pie */
.pie{background:var(--petroleo-hondo);color:#cfe3e3;padding-block:48px 36px;font-size:.92rem}
.pie .envoltura{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px;align-items:start}
.pie img{height:56px;width:auto}
.pie h4{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--lima);margin-bottom:12px}
.pie ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.pie a{text-decoration:none}
.pie a:hover{color:var(--turquesa)}
.pie .legal{grid-column:1/-1;border-top:1px solid rgba(131,235,222,.15);padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.84rem;color:#8fb0b3}
.whatsapp{position:fixed;right:calc(20px + env(safe-area-inset-right,0px));bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:40;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px -10px rgba(0,0,0,.45);transition:transform .2s}
.whatsapp:hover{transform:scale(1.07)}

@media (max-width:980px){
  .tarjetas{grid-template-columns:1fr 1fr}
  .cuerpo-art{grid-template-columns:1fr}
  .lateral{position:static;grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .menu{position:fixed;inset:calc(72px + env(safe-area-inset-top,0px)) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--petroleo);padding:8px max(20px,env(safe-area-inset-right,0px)) 24px max(20px,env(safe-area-inset-left,0px));border-bottom:1px solid rgba(131,235,222,.2);transform:translateY(-120%);transition:transform .3s ease;visibility:hidden}
  .menu a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:1.05rem}
  .menu .boton{margin-top:16px;justify-content:center;padding:14px}
  .menu.abierto{transform:none;visibility:visible}
  .alternar{display:block}
  .alternar[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .alternar[aria-expanded="true"] span:nth-child(2){opacity:0}
  .alternar[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .destacado{grid-template-columns:1fr}
  .destacado .txt{padding:0 22px 26px}
  .llamado .envoltura{grid-template-columns:1fr}
  .pie .envoltura{grid-template-columns:1fr 1fr}
  .pie .marca-pie{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:16px}
  .tarjetas{grid-template-columns:1fr}
  .lateral{grid-template-columns:1fr}
  .texto{font-size:1.02rem}
}
@media (max-width:420px){.pie .envoltura{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media (max-width:1100px) and (min-width:901px){.menu{gap:16px;font-size:.9rem}}
.texto ol{margin:0 0 1.3em;padding-left:1.4em;display:grid;gap:.6em}
.texto ol li{padding-left:6px}
.texto ol li::before{display:none}
.texto ol li::marker{font-family:var(--f-titulo);font-weight:700;color:var(--petroleo)}
/* 26 oct 2026: caja de servicio en artículos y páginas de servicio */
.caja-servicio{background:var(--petroleo);color:#e4f1f0;border-radius:var(--radio);padding:24px 26px;margin:2em 0 0}
.caja-servicio .ceja{color:var(--lima);display:block;margin-bottom:8px}
.caja-servicio p{margin:0 0 .8em;font-size:1rem;line-height:1.6}
.caja-servicio b{color:#fff}
.caja-servicio .enlaces{display:flex;flex-wrap:wrap;gap:12px;margin:14px 0 0}
.caja-servicio .boton{padding:11px 20px;font-size:.95rem}
.acciones-enc{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.resultados{display:grid;gap:14px;margin:0 0 1em}
.resultado{border-left:4px solid var(--lima);background:var(--niebla);border-radius:0 var(--radio) var(--radio) 0;padding:16px 20px}
.resultado b{font-family:var(--f-titulo);color:var(--petroleo);display:block;margin-bottom:4px}
.resultado p{margin:0;font-size:1rem;line-height:1.6}
.preguntas{display:grid;gap:10px}
.pregunta{border:1px solid var(--linea);border-radius:var(--radio);padding:14px 18px}
.pregunta summary{font-family:var(--f-titulo);font-weight:600;color:var(--petroleo);cursor:pointer}
.pregunta p{margin:10px 0 0;font-size:1rem}
.otros{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.otros a{margin:0}
.texto .resultados a,.texto>p>a{color:var(--petroleo);font-weight:600}