/* Paleta y tipografía: variante TAPIALES */
@font-face{font-family:"Oswald";src:url("../fonts/oswald-latin.woff2") format("woff2");
  font-weight:300 700;font-style:normal;font-display:swap}

@font-face{
  font-family:"Archivo";
  src:url("../fonts/archivo-latin.woff2") format("woff2");
  font-weight:400 900;
  font-style:normal;
  font-display:swap;
}

/* ============================================================
   Base de diseño · Red de sitios de prefabricados
   Sin frameworks, sin CDN, sin dependencias externas.
   Los tokens (--brand, tipografía) cambian por sitio.
   ============================================================ */

:root{
  /* Paleta — variante CASA (cálida, residencial) */
  --brand:#2f4a3f;
  --brand-dark:#1e3129;
  --brand-soft:#e3ebe4;
  --accent:#b9c76b;
  --ink:#1a1d1b;
  --ink-soft:#333a35;
  --muted:#666e68;
  --paper:#f5f4f0;
  --paper-2:#ebe9e2;
  --card:#ffffff;
  --line:#dedbd2;
  --success:#2f6b4f;

  /* Tipografía */
  --font-head:"Oswald","Archivo Narrow",system-ui,sans-serif;
  --font-body:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;

  /* Medidas */
  --wrap:1180px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px -24px rgba(29,26,23,.45);
  --shadow-soft:0 8px 24px -18px rgba(29,26,23,.35);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-body);font-size:1.03rem;line-height:1.68;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.04;letter-spacing:0;text-transform:none;margin:0 0 .5em}
h1{font-size:clamp(2.6rem,5.2vw,4.4rem);font-weight:600;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,3.2vw,2.9rem);font-weight:600;letter-spacing:-.005em}
h3{font-size:clamp(1.12rem,1.55vw,1.35rem);letter-spacing:-.02em;font-weight:700}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.15em}
li{margin:.35em 0}
strong{font-weight:600}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:4px}

.wrap{width:min(100% - 2.5rem,var(--wrap));margin-inline:auto}
.section{padding:clamp(3.5rem,7vw,6rem) 0}
.section--tight{padding:clamp(2.5rem,4vw,3.5rem) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin:0 0 1.1rem;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);display:block}
.lead{font-size:clamp(1.05rem,1.5vw,1.22rem);color:var(--ink-soft);max-width:56ch}
.muted{color:var(--muted)}
.section-head{max-width:62ch;margin-bottom:clamp(1.8rem,3vw,2.8rem)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  padding:.95rem 1.7rem;border-radius:999px;border:1.5px solid transparent;
  font-weight:700;font-size:.96rem;letter-spacing:-.01em;text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-dark)}
.btn--ghost{border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.btn--light{background:var(--paper);color:var(--ink)}
.btn--sm{padding:.6rem 1.15rem;font-size:.9rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(251,247,241,.82);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 24px -20px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;gap:1.5rem;min-height:74px}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;margin-right:auto}
.brand svg{flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-family:var(--font-head);font-size:1.12rem;font-weight:600;letter-spacing:-.01em}
.brand-sub{font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{text-decoration:none;font-size:.94rem;font-weight:600;color:var(--ink-soft);position:relative;padding:.25rem 0}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600}
.nav-toggle{display:none;background:none;border:1.5px solid var(--line);border-radius:10px;padding:.5rem .6rem;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0;transition:.2s}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(2.2rem,4.5vw,4rem) 0 clamp(3rem,6vw,4.5rem);
  background:
    radial-gradient(900px 520px at 78% 8%,rgba(211,181,116,.28),transparent 62%),
    radial-gradient(700px 420px at 8% 92%,rgba(173,82,7,.10),transparent 60%),
    linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%);}
.hero::before{content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(173,82,7,.16);pointer-events:none}
.hero::after{content:"";position:absolute;top:-100px;right:-80px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(173,82,7,.12);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,4.5vw,4.5rem);align-items:center;position:relative;z-index:1}
.hero-copy{max-width:36rem}
.hero .eyebrow{background:var(--brand-soft);color:var(--brand-dark);padding:.42rem .85rem;border-radius:999px;margin-bottom:1.2rem}
.hero .eyebrow::before{background:var(--brand)}
.hero h1{font-size:clamp(2.7rem,5.4vw,4.5rem);margin-bottom:1.1rem}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero .lead{margin-bottom:1.9rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:1.9rem}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;padding:0;margin:0}
.hero-points li{display:flex;align-items:center;gap:.5rem;font-size:.92rem;color:var(--ink-soft)}
.hero-points li::before{content:"✓";display:inline-flex;align-items:center;justify-content:center;
  width:1.15rem;height:1.15rem;border-radius:50%;background:var(--brand);color:#fff;font-size:.7rem;font-weight:700}

.hero-visual{position:relative;padding:0}
.hero-visual::before{content:"";position:absolute;left:-18px;bottom:-18px;width:100%;height:100%;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));border-radius:26px;z-index:0}
.hero-visual img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:24px;box-shadow:0 30px 60px -30px rgba(36,28,20,.55)}
.hero-card{position:absolute;z-index:3;right:auto;left:-1.9rem;bottom:2.6rem;background:var(--card);
  border:1px solid var(--line);border-radius:16px;padding:.9rem 1.15rem;box-shadow:0 20px 40px -28px rgba(36,28,20,.6);max-width:240px}
.hero-card strong{display:block;font-family:var(--font-head);font-size:1.28rem;line-height:1.15;margin-bottom:.1rem}
.hero-card span{font-size:.82rem;color:var(--muted);line-height:1.35;display:block}
.hero-seal{position:absolute;z-index:3;top:-1.6rem;right:-1.2rem;width:104px;height:104px;border-radius:50%;
  background:var(--accent);color:#4a3512;display:grid;place-items:center;text-align:center;
  font-size:.66rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;line-height:1.3;
  box-shadow:0 18px 34px -20px rgba(36,28,20,.65),inset 0 0 0 6px rgba(255,255,255,.42);padding:.4rem}

.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem 2rem;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);
  margin-top:clamp(2rem,4vw,3rem);padding:1.5rem clamp(1.2rem,2.5vw,2rem)}
.trust div{display:block}
.trust b{display:block;font-family:var(--font-head);font-size:1.12rem;color:var(--ink);margin-bottom:.15rem}
.trust span{font-size:.86rem;color:var(--muted);line-height:1.45;display:block}


/* ---------- Variante TAPIALES: hero oscuro invertido ---------- */
.hero--dark{background:linear-gradient(160deg,#1a1d1b 0%,#222b26 55%,#1b2a24 100%);color:#f2f1ec;padding:clamp(3rem,6vw,5rem) 0 clamp(3.2rem,6vw,5rem)}
.hero--dark::before,.hero--dark::after{border-color:rgba(185,199,107,.22)}
.hero--dark .eyebrow{background:rgba(185,199,107,.14);color:var(--accent)}
.hero--dark .eyebrow::before{background:var(--accent)}
.hero--dark h1{color:#fff}
.hero--dark h1 em{color:var(--accent);font-style:normal}
.hero--dark .lead{color:#c9cec6}
.hero--dark .hero-points li{color:#c9cec6}
.hero--dark .hero-points li::before{background:var(--accent);color:#1a1d1b}
.hero--dark .btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.hero--dark .btn--ghost:hover{background:#fff;color:#1a1d1b}
.hero--dark .btn--primary{background:var(--accent);color:#14201a}
.hero--dark .btn--primary:hover{background:#c9d67e}
.hero--dark .hero-visual::before{background:linear-gradient(135deg,var(--accent),#8ea04a)}
.hero--dark .hero-card{background:#222824;border-color:rgba(255,255,255,.14);color:#f2f1ec}
.hero--dark .hero-card span{color:#a9b0a8}
.hero--dark .hero-seal{background:#f2f1ec;color:#1a1d1b}
.hero--dark .trust{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);box-shadow:none;margin-top:clamp(2rem,4vw,3rem)}
.hero--dark .trust b{color:#fff}
.hero--dark .trust span{color:#a9b0a8}
.hero--dark .hero-grid{grid-template-columns:.95fr 1.05fr}
.hero--dark .hero-visual{order:-1}

/* ---------- Features ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.feature{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.5rem,2.4vw,2rem);box-shadow:var(--shadow-soft);
}
.feature-num{
  font-family:var(--font-head);font-size:.95rem;color:var(--brand);
  border:1px solid var(--line);border-radius:999px;width:2.2rem;height:2.2rem;
  display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem;
}
.feature h3{margin-bottom:.45rem}
.feature p{margin:0;color:var(--muted);font-size:.97rem}

/* ---------- Proyectos ---------- */
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem}
.project{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--paper-2)}
.project img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .5s ease}
.project:hover img{transform:scale(1.04)}
.project figcaption{
  position:absolute;inset:auto 0 0 0;padding:1.6rem 1.2rem .95rem;color:#fff;font-size:.92rem;font-weight:500;
  background:linear-gradient(to top,rgba(17,15,13,.82),rgba(17,15,13,0));
}
.project--wide{grid-column:span 2}
.project--wide img{aspect-ratio:21/9}

/* ---------- Blog ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:1.35rem}
.post{
  display:flex;flex-direction:column;text-decoration:none;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease;
}
.post:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.post img{aspect-ratio:16/10;object-fit:cover;width:100%}
.post-body{padding:1.2rem 1.25rem 1.4rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.post time{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);font-weight:700}
.post h3{font-size:1.12rem;margin:0;line-height:1.28}
.post p{margin:0;font-size:.92rem;color:var(--muted)}
.post .more{margin-top:auto;font-size:.88rem;font-weight:600;color:var(--brand);padding-top:.5rem}

/* ---------- CTA ---------- */
.cta{background:var(--ink);color:var(--paper);border-radius:calc(var(--radius) + 8px);padding:clamp(2.2rem,4.5vw,3.6rem)}
.cta-grid{display:flex;flex-wrap:wrap;gap:2rem;align-items:center;justify-content:space-between}
.cta h2{color:var(--paper);margin-bottom:.4rem}
.cta p{color:#cfc4b6;margin:0;max-width:48ch}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#cfc4b6;padding:clamp(3rem,5vw,4.5rem) 0 1.5rem;margin-top:clamp(3rem,6vw,5rem)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem}
.site-footer h4{color:var(--paper);font-family:var(--font-body);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:1rem}
.site-footer a{color:#cfc4b6;text-decoration:none;font-size:.94rem}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.footer-brand p{font-size:.92rem;max-width:34ch}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding-top:1.4rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.82rem}

/* ---------- WhatsApp ---------- */
.wa{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:70;display:inline-flex;align-items:center;gap:.55rem;
  background:var(--brand);color:#fff;text-decoration:none;padding:.75rem 1.15rem;border-radius:999px;
  font-size:.9rem;font-weight:600;box-shadow:0 12px 30px -12px rgba(0,0,0,.55);
}
.wa:hover{background:var(--brand-dark)}

/* ---------- Artículo ---------- */
.article-head{max-width:74ch;margin:0 auto;text-align:center}
.article-head h1{font-size:clamp(1.95rem,3.6vw,2.9rem);font-weight:700;letter-spacing:-.03em;line-height:1.1;margin-bottom:1rem}
.article-meta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;font-size:.85rem;color:var(--muted);margin-bottom:1.8rem}
.article-hero{max-width:960px;margin:0 auto 2.5rem}
.article-hero img{width:100%;border-radius:var(--radius);aspect-ratio:16/9;object-fit:cover}
.prose{max-width:72ch;margin:0 auto;font-size:1.06rem}
.prose--flush{margin-left:0;margin-right:0}
.prose h2{margin-top:2.2em;font-size:1.55rem;font-weight:700;letter-spacing:-.02em}
.prose h3{margin-top:1.8em;font-weight:700}
.prose img{border-radius:var(--radius-sm);margin:1.8rem 0}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose blockquote{margin:1.8rem 0;padding:.2rem 0 .2rem 1.2rem;border-left:3px solid var(--brand);color:var(--ink-soft)}
.prose ul,.prose ol{padding-left:1.3em}

/* ---------- FAQ ---------- */
.faq{max-width:72ch;margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:.2rem 0}
.faq summary{
  cursor:pointer;list-style:none;padding:1.1rem 2.2rem 1.1rem 0;position:relative;
  font-weight:600;font-family:var(--font-head);font-size:1.08rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.2rem;top:.85rem;color:var(--brand);font-size:1.5rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.2rem 0 1.1rem;color:var(--ink-soft)}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid,.hero--dark .hero-grid{grid-template-columns:1fr;gap:2.2rem}
  .contacto-grid{grid-template-columns:1fr!important}
  .hero-figure{order:-1}
  .features,.posts{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav{
    position:fixed;inset:74px 0 auto 0;background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:0;padding:.5rem 1.25rem 1.25rem;
    transform:translateY(-120%);transition:transform .25s ease;box-shadow:var(--shadow);
  }
  .nav.is-open{transform:translateY(0)}
  .nav a{padding:.85rem 0;width:100%;border-bottom:1px solid var(--line)}
  .nav a:last-child{border-bottom:0}
  .nav-toggle{display:block}
  .features,.posts,.projects,.footer-grid,.trust{grid-template-columns:1fr}
  .hero-card{left:0;bottom:1.1rem;max-width:220px;padding:.75rem .95rem}
  .hero-seal{width:84px;height:84px;right:-.3rem;top:-1.1rem;font-size:.56rem;letter-spacing:.08em}
  .hero-visual::before{left:-10px;bottom:-10px}
  .project--wide{grid-column:auto}
  .project--wide img{aspect-ratio:16/10}
  .cta-grid{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* Botón de cabecera: texto siempre legible */
.nav a.btn{color:#fff;flex:0 0 auto}
.nav a.btn:hover{color:#fff}

/* Resumen y tablas de artículo */
.article-summary{background:var(--paper-2);border-left:3px solid var(--brand);padding:1.2rem 1.4rem;margin:1.8rem 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-summary p:first-child{margin-top:0;font-weight:700}
.article-summary ul{margin:0;padding-left:1.2em}
.table-wrap{overflow-x:auto;margin:1.8rem 0;border:1px solid var(--line);border-radius:var(--radius-sm)}
.table-wrap table{width:100%;border-collapse:collapse;font-size:.95rem}
.table-wrap th,.table-wrap td{padding:.7rem .85rem;border-bottom:1px solid var(--line);text-align:left}
.table-wrap th{background:var(--paper-2);font-weight:700}
.table-wrap tr:last-child td{border-bottom:0}