/* ============================================================
   Decorando Espacios — Hub de autoridad PVC (v2, diseño mejorado)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,800;1,9..144,500&family=Mulish:wght@400;500;600;700;800&display=swap');

:root{
  --bg:#F7F3EB; --bg-2:#EFE7D7; --ink:#241F1B; --ink-soft:#5A524A;
  --clay:#B5562F; --clay-deep:#8E3F1E; --sage:#6E7A5E; --line:#DDD2C0;
  --card:#FFFEFA; --gold:#C49A4A;
  --shadow:0 22px 50px -28px rgba(60,40,20,.4);
  --shadow-sm:0 8px 22px -16px rgba(60,40,20,.4);
  --maxw:1180px; --serif:'Fraunces',Georgia,serif; --sans:'Mulish',-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px;position:relative;z-index:1}
a{color:var(--clay-deep);text-decoration:none;transition:color .15s}
a:hover{color:var(--clay)}

/* HEADER */
.site-head{border-bottom:1px solid var(--line);background:rgba(247,243,235,.82);backdrop-filter:blur(10px);position:sticky;top:0;z-index:50}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{font-family:var(--serif);font-weight:800;font-size:1.5rem;letter-spacing:-.025em;color:var(--ink);display:flex;align-items:center;gap:11px}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--clay);box-shadow:0 0 0 4px rgba(181,86,47,.16)}
.nav{display:flex;gap:28px;font-weight:700;font-size:.84rem;text-transform:uppercase;letter-spacing:.09em}
.nav a{color:var(--ink-soft);position:relative}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--clay);transition:width .22s}
.nav a:hover{color:var(--clay)}
.nav a:hover::after{width:100%}
@media(max-width:780px){.nav{display:none}}

/* HERO */
.hero{padding:80px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:center}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.eyebrow{font-weight:800;letter-spacing:.18em;text-transform:uppercase;font-size:.72rem;color:var(--clay);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--clay)}
.hero h1{font-family:var(--serif);font-weight:800;font-size:clamp(2.5rem,6.2vw,4.6rem);line-height:1.0;letter-spacing:-.03em;max-width:15ch}
.hero h1 em{font-style:italic;color:var(--clay-deep);font-weight:500}
.hero p.lead{margin-top:24px;font-size:1.18rem;color:var(--ink-soft);max-width:50ch}
.hero-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow);transform:rotate(-1.3deg);position:relative}
.hero-card::after{content:"PVC";position:absolute;top:-17px;right:24px;font-family:var(--serif);font-weight:800;font-size:1rem;background:var(--clay);color:#fff;padding:7px 15px;border-radius:30px;transform:rotate(3deg);box-shadow:var(--shadow-sm)}
.hero-card h3{font-family:var(--serif);font-size:1.35rem;margin-bottom:10px}
.spec{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line);font-size:.96rem}
.spec:last-child{border-bottom:0}
.spec b{font-weight:800}
.spec .v{color:var(--sage);font-weight:800}
.btn{display:inline-block;margin-top:28px;background:var(--ink);color:var(--bg);font-weight:800;padding:15px 28px;border-radius:44px;letter-spacing:.02em;transition:.2s;border:1px solid var(--ink)}
.btn:hover{background:var(--clay);border-color:var(--clay);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn.ghost{background:transparent;color:var(--ink);margin-left:10px}
.btn.ghost:hover{background:var(--ink);color:var(--bg)}

/* ===== DESTACADO: enlazado interno fuerte a URLs clave ===== */
.pillars{padding:18px 0 8px}
.pillars-head{text-align:center;margin-bottom:30px}
.pillars-head h2{font-family:var(--serif);font-weight:800;font-size:clamp(1.7rem,4vw,2.5rem);letter-spacing:-.02em}
.pillars-head p{color:var(--ink-soft);margin-top:8px}
.pillar-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:760px){.pillar-grid{grid-template-columns:1fr}}
.pillar{position:relative;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px;overflow:hidden;transition:.25s;box-shadow:var(--shadow-sm)}
.pillar:hover{transform:translateY(-5px);border-color:var(--clay);box-shadow:var(--shadow)}
.pillar .num{position:absolute;top:-12px;right:14px;font-family:var(--serif);font-weight:800;font-size:5.5rem;color:var(--bg-2);z-index:0;line-height:1}
.pillar > *{position:relative;z-index:1}
.pillar .tagline{font-weight:800;font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--clay)}
.pillar h3{font-family:var(--serif);font-size:1.7rem;margin:8px 0 8px;letter-spacing:-.015em}
.pillar p{font-size:.98rem;color:var(--ink-soft)}
.pillar .go{margin-top:16px;font-weight:800;font-size:.86rem;text-transform:uppercase;letter-spacing:.06em;display:inline-flex;align-items:center;gap:7px}
.pillar .go::after{content:"→";transition:transform .2s}
.pillar:hover .go::after{transform:translateX(5px)}

/* SECTIONS */
.section{padding:64px 0}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:36px;gap:20px;flex-wrap:wrap}
.sec-head h2{font-family:var(--serif);font-weight:800;font-size:clamp(1.8rem,4vw,2.7rem);letter-spacing:-.02em;line-height:1.05}
.sec-head p{color:var(--ink-soft);max-width:40ch}

/* explore list — más enlaces internos a URLs reales */
.explore{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:760px){.explore{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.explore{grid-template-columns:1fr}}
.chip{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;font-weight:700;transition:.2s;color:var(--ink)}
.chip:hover{border-color:var(--clay);color:var(--clay);transform:translateX(4px)}
.chip span.ar{color:var(--clay);font-weight:800}

/* article cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:860px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:.25s;box-shadow:var(--shadow-sm);opacity:0;transform:translateY(18px);animation:rise .7s forwards}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--clay)}
.card .thumb{height:160px;position:relative;overflow:hidden}
.card .thumb span{position:absolute;left:14px;top:14px;background:var(--card);color:var(--clay-deep);font-weight:800;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;padding:5px 12px;border-radius:30px;border:1px solid var(--line)}
.card .body{padding:24px;flex:1;display:flex;flex-direction:column}
.card h3{font-family:var(--serif);font-size:1.28rem;line-height:1.15;margin-bottom:8px;letter-spacing:-.01em}
.card p{font-size:.94rem;color:var(--ink-soft);flex:1}
.card .more{margin-top:16px;font-weight:800;font-size:.84rem;text-transform:uppercase;letter-spacing:.06em;color:var(--clay-deep)}
.card:nth-child(2){animation-delay:.07s}.card:nth-child(3){animation-delay:.14s}
.card:nth-child(4){animation-delay:.21s}.card:nth-child(5){animation-delay:.28s}.card:nth-child(6){animation-delay:.35s}
@keyframes rise{to{opacity:1;transform:none}}
.t-pvc{background:linear-gradient(135deg,#cdbfa6,#e7dcc6)}
.t-techo{background:repeating-linear-gradient(90deg,#d8cbb2,#d8cbb2 14px,#cabd9f 14px,#cabd9f 28px)}
.t-3d{background:conic-gradient(from 45deg at 50% 50%,#d9c9ab,#c7b794,#d9c9ab)}
.t-costa{background:linear-gradient(180deg,#a8c2c9,#d6cdb6)}
.t-acab{background:linear-gradient(135deg,#c9b79a,#b59c78)}
.t-renta{background:linear-gradient(135deg,#b9c4a6,#d8cdae)}

/* ARTICLE */
.article{padding:56px 0 30px;max-width:760px;margin:0 auto}
.crumbs{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--sage);font-weight:800;margin-bottom:18px}
.crumbs a{color:var(--sage)}
.article h1{font-family:var(--serif);font-weight:800;font-size:clamp(2rem,5vw,3.1rem);line-height:1.06;letter-spacing:-.025em;margin-bottom:14px}
.article .meta{color:var(--ink-soft);font-size:.92rem;margin-bottom:30px;display:flex;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:20px}
.article h2{font-family:var(--serif);font-weight:700;font-size:1.7rem;margin:38px 0 12px;letter-spacing:-.015em}
.article h3{font-family:var(--serif);font-weight:600;font-size:1.28rem;margin:26px 0 8px}
.article p{margin:14px 0;font-size:1.06rem}
.article ul,.article ol{margin:14px 0 14px 22px}
.article li{margin:7px 0;font-size:1.04rem}
.article .lede{font-size:1.2rem;color:var(--ink-soft);font-family:var(--serif);font-style:italic}
.tablewrap{overflow-x:auto;margin:22px 0}
table{width:100%;border-collapse:collapse;font-size:.96rem;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-2);font-weight:800}
tr:last-child td{border-bottom:0}
.callout{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--clay);border-radius:12px;padding:22px 24px;margin:30px 0;box-shadow:var(--shadow-sm)}
.callout strong{font-family:var(--serif)}

/* related — enlazado interno al pie de cada artículo (anti-desindexación) */
.related{margin-top:46px;padding-top:28px;border-top:1px solid var(--line)}
.related h4{font-family:var(--serif);font-size:1.3rem;margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.related-grid{grid-template-columns:1fr}}
.related a{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-weight:700;color:var(--ink);transition:.2s}
.related a:hover{border-color:var(--clay);color:var(--clay);transform:translateX(3px)}
.related a::before{content:"↳";color:var(--clay);font-weight:800}

.faq{margin-top:40px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 20px;margin-bottom:12px}
.faq summary{font-weight:800;cursor:pointer;padding:14px 0;font-size:1.05rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--clay);font-weight:800;margin-right:10px}
.faq details[open] summary::before{content:"–"}
.faq p{padding:0 0 16px}

/* FOOTER — sitewide internal links a URLs clave */
.site-foot{background:var(--ink);color:#e9e0d2;padding:58px 0 30px;margin-top:64px}
.site-foot .wrap{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
@media(max-width:780px){.site-foot .wrap{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.site-foot .wrap{grid-template-columns:1fr}}
.site-foot h4{font-family:var(--serif);font-size:1.15rem;margin-bottom:14px;color:#fff}
.site-foot a{color:#cdbfa6;display:block;margin:8px 0;font-size:.92rem}
.site-foot a:hover{color:var(--gold)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:.82rem;color:#9c9183;text-align:center}
.foot-bottom .wrap{display:block}