:root{
  --bg:#0b0b0c; --bg-2:#121214; --card:#18181b; --line:#2a2a2e;
  --text:#ecebe6; --muted:#a3a29b;
  --gold:#d9a93c; --gold-2:#f1cf7a; --gold-dark:#9a741f;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Montserrat',system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
h1,h2,h3{font-family:'Playfair Display',serif;line-height:1.15}
.eyebrow{font-size:.78rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:600}
.gold-text{background:linear-gradient(135deg,var(--gold-2),var(--gold) 50%,var(--gold-dark));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.95rem 1.7rem;border-radius:4px;font-weight:600;font-size:.92rem;letter-spacing:.04em;transition:.25s;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold) 55%,var(--gold-dark));color:#1a1303}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px rgba(217,169,60,.6)}
.btn-line{border-color:var(--gold);color:var(--gold-2)}
.btn-line:hover{background:rgba(217,169,60,.1)}

/* header */
header{position:fixed;inset:0 0 auto 0;z-index:50;transition:.3s}
header.scrolled{background:rgba(11,11,12,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px}
.nav img{height:62px;width:auto}
.nav>ul{display:flex;gap:2rem;list-style:none;font-size:.86rem;font-weight:500;letter-spacing:.05em}
.nav>ul>li>a{color:var(--muted);transition:.2s}
.nav>ul>li>a:hover{color:var(--gold-2)}
.nav .btn{padding:.65rem 1.2rem;font-size:.82rem}
.burger{display:none;background:none;border:0;color:var(--text);font-size:1.8rem;cursor:pointer}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:130px 0 80px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:url(assets/fachada.jpg) center/cover;transform:scale(1.04)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,11,12,.95) 0%,rgba(11,11,12,.78) 45%,rgba(11,11,12,.35) 100%),linear-gradient(0deg,var(--bg) 0%,transparent 30%)}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:clamp(2.3rem,5vw,4.2rem);max-width:19ch;margin:1.2rem 0 1.4rem}
.hero p{max-width:52ch;color:#cfcdc6;font-size:1.08rem;margin-bottom:2.2rem}
.hero .cta{display:flex;flex-wrap:wrap;gap:1rem}
.hero-badges{display:flex;flex-wrap:wrap;gap:2.2rem;margin-top:3.5rem;padding-top:1.8rem;border-top:1px solid rgba(217,169,60,.3);max-width:640px}
.hero-badges div{font-size:.85rem;color:var(--muted)}
.hero-badges strong{display:block;color:var(--gold-2);font-size:.95rem;font-weight:600}

/* sections */
section{padding:110px 0}
.head{max-width:640px;margin-bottom:3.4rem}
.head h2{font-size:clamp(2rem,4vw,3rem);margin:.9rem 0 1rem}
.head p{color:var(--muted)}
.center{margin-inline:auto;text-align:center}

/* services */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service{position:relative;background:var(--card);border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.35s}
.service:hover{border-color:var(--gold-dark);transform:translateY(-6px)}
.service .ph{aspect-ratio:4/3;overflow:hidden}
.service .ph img{width:100%;height:100%;object-fit:cover;transition:.6s}
.service:hover .ph img{transform:scale(1.07)}
.service .body{padding:1.6rem 1.6rem 1.9rem}
.service h3{font-size:1.4rem;margin-bottom:.6rem;color:var(--gold-2)}
.service p{color:var(--muted);font-size:.93rem}

/* about */
.about{background:var(--bg-2)}
.about .cols{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about .imgs{position:relative;padding-bottom:60px}
.about .imgs .a{border-radius:8px;width:82%;aspect-ratio:4/5;object-fit:cover;border:1px solid var(--line)}
.about .imgs .b{position:absolute;right:0;bottom:0;width:52%;aspect-ratio:1;object-fit:cover;border-radius:8px;border:6px solid var(--bg-2);box-shadow:0 20px 50px rgba(0,0,0,.5)}
.about h2{font-size:clamp(2rem,3.6vw,2.8rem);margin:.9rem 0 1.3rem}
.about p{color:var(--muted);margin-bottom:1.6rem}
.checks{list-style:none;display:grid;gap:.85rem;margin-bottom:2rem}
.checks li{display:flex;gap:.8rem;align-items:flex-start;font-size:.96rem}
.checks li::before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-6.5' fill='none' stroke='%231a1303' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.step{padding:2rem 1.6rem;border-top:2px solid var(--gold);background:var(--card);border-radius:0 0 8px 8px;counter-increment:s}
.step::before{content:"0" counter(s);font-family:'Playfair Display',serif;font-size:2.6rem;font-weight:700;color:var(--gold);opacity:.85;display:block;margin-bottom:.6rem}
.step h3{font-size:1.2rem;margin-bottom:.5rem}
.step p{color:var(--muted);font-size:.92rem}

/* gallery */
.gallery{background:var(--bg-2)}
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:230px;gap:16px}
.mosaic figure{position:relative;overflow:hidden;border-radius:8px;border:1px solid var(--line)}
.mosaic figure:nth-child(1){grid-column:span 2;grid-row:span 2}
.mosaic figure:nth-child(4){grid-column:span 2}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:.6s}
.mosaic figure:hover img{transform:scale(1.06)}
.mosaic figcaption{position:absolute;inset:auto 0 0 0;padding:2.2rem 1.2rem .9rem;background:linear-gradient(0deg,rgba(0,0,0,.85),transparent);font-size:.85rem;letter-spacing:.08em;color:var(--gold-2)}

/* CTA + contact */
.cta-band{position:relative;text-align:center;padding:120px 0;background:linear-gradient(rgba(11,11,12,.86),rgba(11,11,12,.9)),url(assets/obra.jpg) center/cover fixed}
.cta-band h2{font-size:clamp(2rem,4.4vw,3.2rem);max-width:20ch;margin:1rem auto 1.2rem}
.cta-band p{color:#cfcdc6;max-width:54ch;margin:0 auto 2.2rem}
.contact .cols{display:grid;grid-template-columns:1fr 1.15fr;gap:60px}
.info{display:grid;gap:1.6rem;margin-top:2rem}
.info div{display:flex;gap:1rem}
.info .ic{flex:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--gold-dark);display:grid;place-items:center;color:var(--gold);font-size:1.1rem}
.info small{display:block;color:var(--muted);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase}
form{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:2.2rem;display:grid;gap:1rem}
form .two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:grid;gap:.4rem}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:.85rem 1rem;color:var(--text);font:inherit;font-size:.95rem}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}
textarea{min-height:120px;resize:vertical}
.cta-btns{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.4);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}
.cta-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:2.2rem;display:grid;gap:1rem;align-content:center;text-align:center}
.cta-card p{color:var(--muted)}
.cta-card .btn{justify-content:center;text-align:center}
.btn-wa{background:transparent;border:1px solid var(--gold);color:var(--gold-2)}
.btn-wa:hover{background:rgba(217,169,60,.1);transform:translateY(-2px)}

/* footer */
footer{background:#070708;border-top:1px solid var(--line);padding:60px 0 28px}
.foot{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:50px;align-items:start}
.foot img{height:140px;width:auto;margin:-10px 0 0 -10px}
.foot-h{font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}
.foot ul{list-style:none;display:grid;gap:.5rem;color:var(--muted);font-size:.93rem}
.foot ul a:hover{color:var(--gold-2)}
.copy{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:.8s}
.rv.in{opacity:1;transform:none}

@media(max-width:980px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .about .cols,.contact .cols{grid-template-columns:1fr;gap:50px}
  .foot{grid-template-columns:1fr 1fr}
  .mosaic{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  section{padding:80px 0}
  .burger{display:block}
  .nav>ul,.nav>.btn{display:none}
  .nav.open>ul{max-height:calc(100vh - 84px);overflow-y:auto;display:flex;flex-direction:column;position:absolute;top:84px;left:0;right:0;background:rgba(11,11,12,.98);padding:1.5rem 20px 2rem;gap:1.2rem;border-bottom:1px solid var(--line)}
  .grid-3,.steps{grid-template-columns:1fr}
  .mosaic{grid-template-columns:1fr;grid-auto-rows:230px}
  .mosaic figure:nth-child(n){grid-column:auto;grid-row:auto}
  .mosaic figure:nth-child(1){grid-row:span 2}
  form .two{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .hero::after{background:linear-gradient(0deg,rgba(11,11,12,.92) 0%,rgba(11,11,12,.7) 100%)}
  .cta-band{background-attachment:scroll}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}

/* service pages */
.crumbs{font-size:.8rem;color:var(--muted);margin-bottom:1.4rem;letter-spacing:.04em}
.crumbs a:hover{color:var(--gold-2)}
.crumbs span{margin:0 .5rem;opacity:.5}
.page-hero{position:relative;padding:170px 0 90px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:var(--hero-img) center/cover}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,11,12,.96) 0%,rgba(11,11,12,.82) 55%,rgba(11,11,12,.5) 100%),linear-gradient(0deg,var(--bg) 0%,transparent 25%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(2.2rem,4.8vw,3.9rem);max-width:20ch;margin:1rem 0 1.3rem}
.page-hero .lead{max-width:60ch;color:#cfcdc6;font-size:1.08rem;margin-bottom:2rem}
.page-hero .cta{display:flex;flex-wrap:wrap;gap:1rem}
.sec{padding:80px 0}
.sec.alt{background:var(--bg-2)}
.sec h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:.8rem 0 1rem;max-width:26ch}
.sec .intro{color:var(--muted);max-width:68ch;margin-bottom:2.4rem}
.sec .intro a,.prose a,.faq a{color:var(--gold-2);border-bottom:1px solid var(--gold-dark)}
.sec-split{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.sec-split img{border-radius:8px;border:1px solid var(--line);width:100%;aspect-ratio:4/3;object-fit:cover}
.sec-split .intro{margin-bottom:1.6rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1.7rem}
.card h3{font-size:1.2rem;color:var(--gold-2);margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.93rem}
.sec.alt .card{background:var(--bg)}
.psteps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:p}
.pstep{counter-increment:p;border-top:2px solid var(--gold);background:var(--card);padding:1.7rem 1.5rem;border-radius:0 0 8px 8px}
.pstep::before{content:"0" counter(p);font-family:'Playfair Display',serif;font-size:2.2rem;font-weight:700;color:var(--gold);display:block;margin-bottom:.4rem}
.pstep h3{font-size:1.1rem;margin-bottom:.5rem}
.pstep p{color:var(--muted);font-size:.9rem}
.sec.alt .pstep{background:var(--bg)}
.tbl-wrap{overflow-x:auto;margin-top:2rem}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:.9rem 1.1rem;border-bottom:1px solid var(--line)}
th{color:var(--gold-2);font-weight:600;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase}
td:first-child{color:var(--text);font-weight:600}
td{color:var(--muted)}
.hl{border:1px solid var(--gold-dark);border-radius:10px;padding:2.4rem;background:linear-gradient(135deg,rgba(217,169,60,.08),transparent 60%),var(--card)}
.sec-btns{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:8px;margin-bottom:12px}
.faq summary{list-style:none;cursor:pointer;padding:1.2rem 1.5rem;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:1.5rem;line-height:1;flex:none}
.faq details[open] summary::after{content:"–"}
.faq summary h3{font-family:'Montserrat',sans-serif;font-size:1rem;font-weight:600;line-height:1.4}
.faq .ans{padding:0 1.5rem 1.4rem;color:var(--muted);font-size:.94rem}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;list-style:none}
.related a{display:block;border:1px solid var(--line);border-radius:8px;padding:1.1rem 1.3rem;background:var(--card);transition:.25s;font-weight:500}
.related a:hover{border-color:var(--gold-dark);color:var(--gold-2)}
.related small{display:block;color:var(--muted);font-weight:400;font-size:.82rem;margin-top:.2rem}
.service .more{display:inline-block;margin-top:.9rem;color:var(--gold-2);font-size:.85rem;font-weight:600;letter-spacing:.04em}
.service h3 a::after,.service .more::after{content:"";position:absolute;inset:0}
.service .more::after{content:none}
@media(max-width:980px){
  .sec-split{grid-template-columns:1fr;gap:34px}
  .cards,.related{grid-template-columns:repeat(2,1fr)}
  .psteps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .page-hero{padding:130px 0 60px}
  .sec{padding:60px 0}
  .cards,.cards.two,.related,.psteps{grid-template-columns:1fr}
  .hl{padding:1.5rem}
}

.foot-nap{margin-top:1rem;color:var(--muted);font-size:.9rem;line-height:1.8}
.foot-nap strong{color:var(--text)}
.foot-nap a:hover{color:var(--gold-2)}

/* desplegable de servicios */
.has-sub{position:relative}
.has-sub>a .car{font-size:.7rem;margin-left:.2rem}
.sub{list-style:none;display:none;position:absolute;top:100%;left:-1rem;min-width:260px;padding:.6rem;margin-top:.9rem;background:rgba(18,18,20,.98);border:1px solid var(--line);border-radius:8px;box-shadow:0 20px 40px rgba(0,0,0,.5)}
.has-sub::after{content:"";position:absolute;left:0;right:0;top:100%;height:1rem}
.has-sub:hover>.sub,.has-sub:focus-within>.sub{display:block}
.sub a{display:block;padding:.65rem 1rem;border-radius:6px;color:var(--muted);font-size:.86rem;transition:.2s}
.sub a:hover{background:rgba(217,169,60,.1);color:var(--gold-2)}
@media(max-width:720px){
  .has-sub::after{display:none}
  .sub{display:block;position:static;min-width:0;margin:.6rem 0 0;padding:0 0 0 1rem;background:none;border:0;box-shadow:none;border-left:1px solid var(--gold-dark)}
  .sub a{padding:.4rem .8rem}
}

/* zonas */
.zonas-list{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:.7rem;max-width:900px;margin:0 auto}
.zonas-list li{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:.5rem 1.1rem;font-size:.88rem;color:var(--muted)}