:root{
  /* Paleta HOGAR / CONSTRUCCION: terracota calida + neutros arena + tinta calida.
     Distinta a las webs de seguros y placas. */
  --clay:#b4533a;          /* terracota principal */
  --clay-dark:#8f3e2a;
  --clay-soft:#c9765f;
  --ochre:#d9a441;         /* acento ocre calido */
  --forest:#39604d;        /* verde profundo para confianza / CTA lead */
  --forest-dark:#2c4c3d;
  --cream:#faf6f0;         /* fondo pagina */
  --sand:#f2e9dd;          /* fondo tarjetas / secciones alt */
  --sand-2:#ece0d0;
  --ink:#2b2622;           /* texto principal, carbon calido */
  --muted:#6e655c;         /* texto secundario */
  --line:#e4d8c8;          /* bordes */
  --white:#ffffff;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 6px 22px rgba(70,45,30,.08);
  --shadow-lg:0 14px 40px rgba(70,45,30,.14);
  --maxw:1120px;
  --serif:Georgia,"Times New Roman",'Iowan Old Style',serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--clay-dark);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.container-narrow{max-width:760px}

h1,h2,h3{font-family:var(--serif);line-height:1.2;color:var(--ink);font-weight:700}
h1{font-size:2rem;margin-bottom:.5rem}
h2{font-size:1.5rem;margin:2rem 0 .8rem}
h3{font-size:1.15rem}
p{margin-bottom:1rem}

/* ---------- HEADER ---------- */
.site-header{
  background:var(--white);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:66px}
.brand{display:flex;align-items:center;gap:.5rem;font-family:var(--serif);font-size:1.3rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{color:var(--clay);font-size:1.4rem}
.brand-name strong{color:var(--clay)}
.site-nav{display:flex;align-items:center;gap:1.4rem}
.site-nav a{color:var(--ink);font-weight:500;font-size:.98rem}
.site-nav a:hover{color:var(--clay);text-decoration:none}
.nav-cta{background:var(--clay);color:#fff!important;padding:.5rem .9rem;border-radius:var(--radius-sm)}
.nav-cta:hover{background:var(--clay-dark)!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ---------- HERO ---------- */
.hero{
  background:linear-gradient(160deg,#fbf2e8 0%,#f3e3d2 60%,#efd9c4 100%);
  border-bottom:1px solid var(--line);
  padding:4rem 0 3.4rem;
}
.hero-eyebrow{color:var(--clay-dark);font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:.8rem;margin-bottom:.6rem}
.hero h1{font-size:2.6rem;max-width:14ch}
.hero-sub{font-size:1.2rem;color:var(--muted);max-width:52ch;margin:1rem 0 1.6rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}
.hero-trust{margin-top:1.4rem;font-size:.9rem;color:var(--muted)}

/* ---------- BOTONES ---------- */
.btn{display:inline-block;padding:.8rem 1.4rem;border-radius:var(--radius-sm);font-weight:600;
  font-size:1rem;cursor:pointer;border:2px solid transparent;transition:.18s;text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--clay);color:#fff}
.btn-primary:hover{background:var(--clay-dark)}
.btn-ghost{background:transparent;color:var(--clay-dark);border-color:var(--clay)}
.btn-ghost:hover{background:var(--clay);color:#fff}
.btn-block{width:100%}

/* ---------- SECCIONES ---------- */
.section{padding:3.2rem 0}
.section-alt{background:var(--sand)}
.section-title{font-size:1.9rem;text-align:center}
.section-lead{text-align:center;color:var(--muted);max-width:56ch;margin:.4rem auto 2rem}

/* ---------- CLUSTER CARDS (home) ---------- */
.cluster-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.2rem}
.cluster-card{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;box-shadow:var(--shadow);transition:.2s;color:var(--ink);display:flex;flex-direction:column}
.cluster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);text-decoration:none;border-color:var(--clay-soft)}
.cluster-card h3{color:var(--clay-dark);margin-bottom:.5rem}
.cluster-card p{color:var(--muted);font-size:.96rem;flex:1}
.cluster-card.is-star{border-color:var(--ochre);box-shadow:0 6px 22px rgba(217,164,65,.2)}
.card-badge{position:absolute;top:-11px;left:1.4rem;background:var(--ochre);color:#3a2c10;
  font-size:.72rem;font-weight:700;padding:.25rem .6rem;border-radius:20px;text-transform:uppercase;letter-spacing:.03em}
.card-link{color:var(--clay);font-weight:600;font-size:.92rem;margin-top:.8rem}

/* ---------- TOOL PROMO ---------- */
.tool-promo{text-align:center;max-width:640px}
.tool-promo h2{font-size:1.7rem}
.tool-promo p{color:var(--muted)}
.tool-promo .hero-actions{justify-content:center}

/* ---------- ARTICLE ---------- */
.article{padding:2rem 0 3rem}
.breadcrumb{font-size:.86rem;color:var(--muted);padding:1rem 0 .2rem}
.breadcrumb a{color:var(--muted)}
.breadcrumb .sep{margin:0 .35rem;color:var(--clay-soft)}
.breadcrumb span[aria-current]{color:var(--ink)}
.article-head{border-bottom:1px solid var(--line);padding-bottom:1.2rem;margin-bottom:1.6rem}
.lede{font-size:1.15rem;color:var(--muted)}
.meta-line{font-size:.85rem;color:var(--muted);margin-top:.8rem}
.meta-line a{color:var(--clay-dark)}

/* TOC / listas */
.toc-block{background:var(--sand);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem 1.6rem;margin:1.6rem 0}
.toc-block h2{margin-top:0;font-size:1.2rem}
.toc-list,.link-list{list-style:none;display:grid;gap:.5rem}
.toc-list li a,.link-list li a{color:var(--clay-dark)}
.toc-list li{padding-left:1.2rem;position:relative}
.toc-list li::before{content:"\2192";position:absolute;left:0;color:var(--clay-soft)}

/* SAT CARDS */
.sat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin-top:1rem}
.sat-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem;
  box-shadow:var(--shadow);transition:.2s;color:var(--ink);display:flex;flex-direction:column}
.sat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);text-decoration:none;border-color:var(--clay-soft)}
.sat-card h3{color:var(--clay-dark);font-size:1.05rem;margin-bottom:.4rem}
.sat-card p{color:var(--muted);font-size:.9rem;flex:1}

/* NOTICE / placeholder */
.notice{background:#fbf3e6;border:1px solid var(--ochre);border-left:4px solid var(--ochre);
  border-radius:var(--radius-sm);padding:1rem 1.2rem;margin:1.4rem 0}
.notice p{margin:0;color:#6b5320}
.placeholder-content{color:var(--muted)}
.tool-inline{background:var(--sand);border-radius:var(--radius);padding:1.4rem 1.6rem;margin:1.8rem 0}
.tool-inline h2{margin-top:0}
.siblings{margin-top:1.6rem}

/* ---------- BLOQUE LEAD (pieza central) ---------- */
.lead-block{
  background:linear-gradient(150deg,var(--forest) 0%,var(--forest-dark) 100%);
  border-radius:var(--radius);color:#eaf1ec;margin:2.2rem 0;box-shadow:var(--shadow-lg);
  overflow:hidden;position:relative;
}
.lead-block::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 85% 15%,rgba(217,164,65,.28),transparent 45%);pointer-events:none}
.lead-inner{padding:2rem 1.9rem;position:relative}
.lead-eyebrow{color:var(--ochre);text-transform:uppercase;letter-spacing:.05em;font-size:.78rem;font-weight:700;margin-bottom:.4rem}
.lead-title{color:#fff;font-size:1.55rem;margin-bottom:.6rem}
.lead-text{color:#d8e3db;max-width:52ch;margin-bottom:1.3rem}
.lead-cta{display:inline-block;background:var(--ochre);color:#3a2c10;font-weight:700;
  padding:.9rem 1.7rem;border-radius:var(--radius-sm);font-size:1.05rem;transition:.18s}
.lead-cta:hover{background:#e7b455;text-decoration:none;transform:translateY(-1px);filter:brightness(1.06)}
.lead-note{color:#b9cabf;font-size:.82rem;margin:.8rem 0 0}

/* ---------- CALCULADORAS ---------- */
.calc{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;box-shadow:var(--shadow);margin:1.4rem 0}
.calc-form{display:grid;gap:1.1rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label,.field legend{font-weight:600;font-size:.95rem}
.field input,.field select{
  padding:.7rem .8rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-size:1rem;font-family:inherit;background:var(--cream);color:var(--ink)}
.field input:focus,.field select:focus{outline:none;border-color:var(--clay);background:#fff}
.field-check{border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem}
.field-check legend{padding:0 .4rem}
.check{display:flex;align-items:center;gap:.5rem;font-weight:400;font-size:.95rem;margin:.3rem 0}
.check input{width:auto}
.calc-result{margin-top:1.4rem;background:var(--sand);border:1px solid var(--clay-soft);
  border-radius:var(--radius);padding:1.5rem;text-align:center}
.calc-result-label{color:var(--muted);font-size:.9rem;margin-bottom:.3rem;text-transform:uppercase;letter-spacing:.03em}
.calc-result-range{font-family:var(--serif);font-size:2rem;color:var(--clay-dark);font-weight:700;margin-bottom:.4rem}
.calc-result-detail{color:var(--muted);font-size:.92rem;margin:0}
.disclaimer{font-size:.85rem;color:var(--muted);margin-top:1.2rem;padding-top:1rem;border-top:1px dashed var(--line)}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--ink);color:#d8cfc4;margin-top:3rem;padding:2.6rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:1.6rem}
.footer-brand .brand-name{font-family:var(--serif);font-size:1.3rem;color:#fff;display:block;margin-bottom:.6rem}
.footer-brand strong{color:var(--clay-soft)}
.footer-brand p{color:#b3a89b;font-size:.9rem}
.footer-col h3{color:#fff;font-size:.95rem;margin-bottom:.7rem}
.footer-col ul{list-style:none;display:grid;gap:.45rem}
.footer-col a{color:#c3b8ab;font-size:.9rem}
.footer-col a:hover{color:var(--ochre)}
.footer-legal{border-top:1px solid #43392f;margin-top:2rem;padding:1.2rem 0;}
.footer-legal p{color:#8f8578;font-size:.82rem;margin:0}

/* ---------- RESPONSIVE ---------- */
@media(max-width:860px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:720px){
  body{font-size:16px}
  .hero{padding:2.8rem 0 2.4rem}
  .hero h1{font-size:2rem}
  .hero-sub{font-size:1.05rem}
  .nav-toggle{display:flex}
  .site-nav{
    position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:.5rem 20px 1rem;display:none;box-shadow:var(--shadow)}
  .site-nav.open{display:flex}
  .site-nav a{padding:.7rem 0;border-bottom:1px solid var(--line)}
  .nav-cta{text-align:center;margin-top:.6rem;border-bottom:0!important}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .lead-inner{padding:1.6rem 1.3rem}
  .lead-title{font-size:1.35rem}
  .btn-block,.hero-actions .btn{width:100%}
}

/* ===== FASE 2: estilos de contenido largo ===== */
.article-body h2{margin-top:2.4rem}
.article-body h3{margin-top:1.6rem;color:var(--clay-dark)}
.article-body ul,.article-body ol{margin:0 0 1.1rem 1.2rem}
.article-body li{margin-bottom:.4rem}
.key-box{background:var(--sand);border:1px solid var(--line);border-left:4px solid var(--clay);
  border-radius:var(--radius-sm);padding:1.2rem 1.4rem;margin:1.6rem 0}
.key-box .big{font-family:var(--serif);font-size:1.8rem;color:var(--clay-dark);font-weight:700;display:block}
.key-box small{color:var(--muted)}
.table-wrap{overflow-x:auto;margin:1.4rem 0;border:1px solid var(--line);border-radius:var(--radius-sm)}
.price-table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:460px}
.price-table caption{caption-side:bottom;text-align:left;color:var(--muted);font-size:.82rem;padding:.6rem .2rem 0}
.price-table th,.price-table td{padding:.7rem .9rem;text-align:left;border-bottom:1px solid var(--line)}
.price-table thead th{background:var(--clay);color:#fff;font-family:var(--sans);font-weight:600;font-size:.9rem}
.price-table tbody tr:nth-child(even){background:var(--sand)}
.price-table td:not(:first-child){white-space:nowrap;font-variant-numeric:tabular-nums}
.price-table tfoot td{font-weight:700;background:var(--sand-2)}
.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin:1.4rem 0}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.1rem 1.2rem}
.mini-card.good{border-top:3px solid var(--forest)}
.mini-card.bad{border-top:3px solid var(--clay)}
.mini-card h3{margin-top:0;font-size:1.05rem}
.mini-card ul{margin-left:1.1rem}
.tip{background:#fbf3e6;border:1px solid var(--ochre);border-radius:var(--radius-sm);padding:.9rem 1.2rem;margin:1.3rem 0;font-size:.95rem}
.tip strong{color:#6b5320}
.faq{margin:1.4rem 0}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:.7rem;background:#fff;overflow:hidden}
.faq summary{cursor:pointer;padding:1rem 1.2rem;font-weight:600;font-family:var(--serif);list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.2rem;color:var(--clay);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"\2013"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .faq-a{padding:1rem 1.2rem;color:var(--ink)}
.faq .faq-a p{margin-bottom:.6rem}
.sources{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);margin-top:2.2rem;padding-top:1.2rem}
.sources a{color:var(--clay-dark)}
.jump-nav{background:var(--sand);border-radius:var(--radius);padding:1.2rem 1.4rem;margin:1.4rem 0}
.jump-nav strong{display:block;margin-bottom:.5rem}
.jump-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;margin:0}
.jump-nav a{font-size:.95rem}
@media(max-width:560px){.cols-2{grid-template-columns:1fr}}