/* Estilos compartidos de las páginas interiores — Arquiconceptos */
:root{
  --bg:#faf9f6;--bg-alt:#f2f0ea;--ink:#161513;--ink-soft:#63615a;
  --line:#e4e1d8;--accent:#9a7b4f;--serif:'Fraunces',serif;--sans:'Inter',sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:300;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:var(--accent)}
::selection{background:var(--accent);color:#fff}

/* Header */
.top{position:sticky;top:0;z-index:20;background:rgba(250,249,246,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:1rem 5vw;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.top .marca img{height:22px;width:auto}
.top nav{display:flex;align-items:center;gap:1.6rem}
.top nav a{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);text-decoration:none;transition:color .3s}
.top nav a:hover{color:var(--ink)}
.top .cta{border:1px solid var(--ink);color:var(--ink);border-radius:999px;padding:.5rem 1.2rem}
.top .cta:hover{background:var(--ink);color:var(--bg)}
.top .wa{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:1px solid #25D366;flex-shrink:0}
.top .wa svg{width:17px;height:17px;fill:#25D366}
.top .wa:hover{background:#25D366}
.top .wa:hover svg{fill:#fff}

/* Portada de página */
.encabezado{padding:4.5rem 5vw 2.6rem;max-width:1100px}
.miga{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:1.6rem}
.miga a{color:var(--ink-soft);text-decoration:none}
.miga a:hover{color:var(--accent)}
h1{font-family:var(--serif);font-weight:300;font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.14;max-width:24ch;color:#12110f}
.lead{margin-top:1.5rem;font-size:1.1rem;color:var(--ink-soft);max-width:62ch;line-height:1.7}
.portada-img{margin:2.6rem 0 0;overflow:hidden}
.portada-img img{width:100%;height:clamp(240px,42vh,460px);object-fit:cover}
.portada-img figcaption{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-top:.7rem}

/* Cuerpo */
main{padding:0 5vw 5rem}
.cuerpo{max-width:820px}
.cuerpo h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.4rem,2.6vw,1.9rem);margin:3rem 0 1rem;line-height:1.25}
.cuerpo h3{font-size:1rem;font-weight:500;margin:1.9rem 0 .5rem}
.cuerpo p{margin-bottom:1.1rem;color:var(--ink-soft)}
.cuerpo strong{color:var(--ink);font-weight:500}
.cuerpo ul,.cuerpo ol{margin:0 0 1.4rem 1.3rem;color:var(--ink-soft)}
.cuerpo li{margin-bottom:.55rem}
.cuerpo li strong{color:var(--ink)}

/* Cifras */
.cifras{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:2.6rem 0 1rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cifras div{padding:1.6rem 1.2rem;border-left:1px solid var(--line)}
.cifras div:first-child{border-left:none;padding-left:0}
.cifras b{display:block;font-family:var(--serif);font-weight:300;font-size:clamp(1.6rem,3vw,2.3rem);line-height:1}
.cifras span{display:block;margin-top:.5rem;font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}

/* Bloque destacado */
.nota{background:#fff;border:1px solid var(--line);padding:1.7rem 1.9rem;margin:2rem 0}
.nota p:last-child{margin-bottom:0}
.nota .et{font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:.7rem}

/* Galería */
.galeria{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin:2.4rem 0}
.galeria img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* Preguntas */
.preguntas{border-top:1px solid var(--line);margin-top:2.4rem}
.preguntas details{border-bottom:1px solid var(--line)}
.preguntas summary{list-style:none;cursor:pointer;padding:1.15rem 2.4rem 1.15rem 0;font-size:.98rem;color:var(--ink);position:relative}
.preguntas summary::-webkit-details-marker{display:none}
.preguntas summary::after{content:'+';position:absolute;right:.3rem;top:50%;transform:translateY(-50%);font-family:var(--serif);font-size:1.25rem;color:var(--accent)}
.preguntas details[open] summary::after{content:'−'}
.preguntas details p{margin:0 0 1.3rem;font-size:.92rem;color:var(--ink-soft);padding-right:2.4rem}

/* CTA */
.cierre{background:var(--ink);color:var(--bg);padding:3.4rem 5vw;margin-top:4rem}
.cierre .in{max-width:820px}
.cierre h2{font-family:var(--serif);font-weight:300;font-size:clamp(1.6rem,3.2vw,2.4rem);color:var(--bg);margin-bottom:.9rem}
.cierre p{color:rgba(250,249,246,.65);max-width:56ch;margin-bottom:1.8rem}
.botones{display:flex;gap:.9rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.55rem;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;padding:.95rem 1.9rem;border-radius:999px;border:1px solid var(--bg);color:var(--bg);text-decoration:none;transition:all .35s var(--ease)}
.btn:hover{background:var(--bg);color:var(--ink)}
.btn.verde{background:#25D366;border-color:#25D366;color:#fff}
.btn.verde:hover{background:#1eb457;border-color:#1eb457;color:#fff}
.btn.verde svg{width:17px;height:17px;fill:#fff}

/* Enlaces relacionados */
.relacionados{padding:3.4rem 5vw;border-top:1px solid var(--line)}
.relacionados .et{font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:1.6rem}
.relacionados .lista{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:1100px}
.relacionados a{display:block;border:1px solid var(--line);padding:1.4rem 1.5rem;text-decoration:none;color:var(--ink);background:#fff;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.relacionados a:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(22,21,19,.07)}
.relacionados a b{font-family:var(--serif);font-weight:400;font-size:1.05rem;display:block;margin-bottom:.3rem}
.relacionados a span{font-size:.82rem;color:var(--ink-soft)}

/* Footer */
.pie{background:var(--ink);color:rgba(250,249,246,.6);padding:3rem 5vw 2rem;font-size:.82rem}
.pie .arriba{display:flex;justify-content:space-between;gap:2.5rem;flex-wrap:wrap;padding-bottom:2rem;border-bottom:1px solid rgba(250,249,246,.14)}
.pie img{height:20px;filter:brightness(0) invert(1)}
.pie a{color:rgba(250,249,246,.72);text-decoration:none}
.pie a:hover{color:#fff}
.pie .cols{display:flex;gap:3.5rem;flex-wrap:wrap}
.pie .col p{font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(250,249,246,.4);margin-bottom:.7rem}
.pie .col a{display:block;margin-bottom:.4rem}
.pie .abajo{padding-top:1.6rem;display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;font-size:.72rem;color:rgba(250,249,246,.4)}

@media(max-width:900px){
  .cifras{grid-template-columns:repeat(2,1fr)}
  .cifras div:nth-child(odd){border-left:none;padding-left:0}
  .galeria,.relacionados .lista{grid-template-columns:1fr}
  .top nav a:not(.cta):not(.wa){display:none}
  .encabezado{padding-top:3rem}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}