:root{--azul:#1E2A35;--arena:#C9A877;--arena-osc:#8A6A3F;--fondo:#F4F1EA;--texto:#1E2A35;--gris:#4A5560;--borde:#E3DDD1}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--fondo);color:var(--texto);font-family:'Instrument Sans',system-ui,sans-serif;font-size:17px;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--texto)}
a:hover{color:var(--arena-osc)}
h1,h2,h3{font-family:Archivo,sans-serif;letter-spacing:-.015em}
.contenedor{max-width:1240px;margin:0 auto;padding:0 24px}
.btn{display:inline-block;background:var(--arena);color:var(--azul);text-decoration:none;padding:14px 24px;border-radius:6px;border:0;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:#D8BC90;color:var(--azul)}
.btn-borde{background:transparent;border:1.5px solid #fff;color:#fff}
.btn-borde:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-oscuro{background:var(--azul);color:var(--fondo)}
.btn-oscuro:hover{background:#2C3B49;color:var(--fondo)}
.etiqueta{margin:0 0 12px;font-size:13px;font-weight:600;letter-spacing:.22em;color:var(--arena-osc)}
.gris{color:var(--gris)}
.cabecera{background:var(--azul);color:var(--fondo);position:sticky;top:0;z-index:20}
.cabecera .contenedor{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--fondo)}
.logo:hover{color:var(--fondo)}
.logo b{display:block;font-family:Archivo,sans-serif;font-size:22px;letter-spacing:.06em;line-height:1.1}
.logo small{display:block;font-size:11px;letter-spacing:.28em;color:var(--arena)}
.menu{display:flex;flex-wrap:wrap;gap:6px 26px;font-size:15px;font-weight:500}
.menu a{color:var(--fondo);text-decoration:none}
.menu a:hover,.menu a[aria-current]{color:var(--arena)}
.cabecera-acciones{display:flex;align-items:center;gap:16px}
.cabecera-acciones .tel{color:var(--fondo);text-decoration:none;font-weight:600;font-size:15px}
.cabecera-acciones .btn{padding:11px 18px;font-size:15px}
@media (max-width:760px){.cabecera{position:static}.cabecera-acciones .btn{display:none}}
.portada{position:relative;min-height:640px;display:flex;align-items:flex-end;background:var(--azul);color:#fff}
.portada>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.portada::after{content:"";position:absolute;inset:0;background:rgba(20,28,36,.62)}
.portada .contenedor{position:relative;z-index:1;width:100%;padding-top:96px;padding-bottom:72px}
.portada .etiqueta{color:#E2C9A0;font-size:14px}
.portada h1{margin:0;max-width:820px;font-weight:800;font-size:clamp(40px,6vw,76px);line-height:1.02}
.portada p.intro{margin:24px 0 0;max-width:640px;font-size:20px;color:#EDE7DC}
.portada .acciones{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.portada .acciones .btn{padding:16px 26px}
.portada .pie{margin:40px 0 0;font-size:14px;color:#D8D2C6}
.datos{background:#fff;border-bottom:1px solid var(--borde)}
.datos .contenedor{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;padding-top:36px;padding-bottom:36px}
.datos b{display:block;font-family:Archivo,sans-serif;font-weight:800;font-size:clamp(30px,3vw,40px);color:var(--arena-osc);line-height:1.2}
.seccion{padding:96px 0}
.seccion h2{margin:0;font-weight:800;font-size:clamp(32px,4vw,48px);line-height:1.08}
.cabeza-seccion{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:44px}
.cabeza-seccion p{margin:0;max-width:440px}
.rejilla{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.tarjeta{background:#fff;border-radius:10px;padding:28px}
.tarjeta h3{margin:0 0 8px;font-size:21px}
.tarjeta p{margin:0;color:var(--gris)}
.blanco{background:#fff}
.pasos{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px;margin-top:44px}
.pasos .num{font-family:Archivo,sans-serif;font-weight:800;font-size:44px;color:var(--arena)}
.pasos h3{margin:4px 0 8px;font-size:21px}
.pasos p{margin:0;color:var(--gris)}
.obras{background:var(--azul);color:var(--fondo)}
.obras .gris{color:#C9C2B4}
.obras-fila{display:flex;flex-wrap:wrap;gap:20px;margin-top:44px}
.obras figure{margin:0}
.obra-grande{flex:2 1 520px;min-width:0}
.obra-grande img{width:100%;height:520px;object-fit:cover;border-radius:10px}
.obra-lado{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:14px}
.antes-despues{display:flex;gap:10px}
.antes-despues div{position:relative;flex:1 1 0}
.antes-despues img{width:100%;height:420px;object-fit:cover;border-radius:10px}
.sello{position:absolute;top:12px;left:12px;font-size:13px;font-weight:600;padding:5px 10px;border-radius:4px;background:var(--azul);color:var(--fondo)}
.sello.despues{background:var(--arena);color:var(--azul)}
.obras figcaption,.obra-lado .texto{margin-top:14px}
.obras strong{font-family:Archivo,sans-serif;font-size:19px}
.obras a{color:#E2C9A0;font-weight:600}
@media (max-width:600px){.obra-grande img{height:340px}.antes-despues img{height:300px}}
.nosotros{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.nosotros>img{flex:1 1 380px;min-width:0;width:100%;height:480px;object-fit:cover;border-radius:10px}
.nosotros>div{flex:1 1 420px;min-width:0}
.clientes{display:flex;flex-wrap:wrap;gap:10px 28px;font-family:Archivo,sans-serif;font-weight:700;font-size:17px;color:var(--gris)}
.contacto{display:flex;flex-wrap:wrap;gap:56px}
.contacto>div{flex:1 1 380px;min-width:0}
.contacto .lista{display:flex;flex-direction:column;gap:14px;font-size:18px}
.contacto .lista a{font-weight:600;text-decoration:none}
form.formulario{flex:1 1 460px;min-width:0;display:flex;flex-direction:column;gap:16px;background:var(--fondo);padding:32px;border-radius:10px}
.formulario label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:15px}
.formulario input,.formulario textarea{font:inherit;font-weight:400;padding:13px 14px;border:1px solid #A9A193;border-radius:6px;background:#fff}
.formulario .privacidad{flex-direction:row;align-items:flex-start;gap:10px;font-weight:400;font-size:14px;color:var(--gris)}
.formulario .privacidad input{margin-top:4px}
.oculto{position:absolute;left:-9999px}
.aviso-ok{background:#E4EFE1;color:#24452A;padding:14px 16px;border-radius:6px;font-weight:600}
.pie-web{background:var(--azul);color:#C9C2B4;font-size:14px}
.pie-web .contenedor{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:32px;padding-bottom:32px}
.pie-web a{color:#C9C2B4}
.cabeza-pagina{background:var(--azul);color:var(--fondo);padding:72px 0 56px}
.cabeza-pagina h1{margin:0;font-weight:800;font-size:clamp(36px,5vw,60px);line-height:1.05}
.cabeza-pagina p{margin:16px 0 0;max-width:620px;color:#C9C2B4}
.galeria-bloque{padding:56px 0 8px}
.galeria-bloque h2{margin:0 0 6px;font-size:clamp(24px,2.6vw,32px);font-weight:800}
.galeria-bloque p{margin:0 0 20px}
.fotos{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.fotos a{display:block;border-radius:8px;overflow:hidden;background:#E3DDD1}
.fotos img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .3s}
.fotos a:hover img{transform:scale(1.04)}
.visor{border:0;padding:0;background:transparent;max-width:min(92vw,1100px);max-height:92vh}
.visor::backdrop{background:rgba(15,20,26,.9)}
.visor img{max-width:100%;max-height:86vh;margin:0 auto;border-radius:6px}
.visor button{position:fixed;top:16px;right:16px;width:48px;height:48px;border-radius:50%;border:0;background:#fff;color:var(--azul);font-size:26px;cursor:pointer}
.wa-flotante{position:fixed;right:20px;bottom:20px;z-index:30;width:60px;height:60px;border-radius:50%;background:#1F7A4D;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.wa-flotante:hover{background:#18643F}
.legal{max-width:820px;padding:64px 24px 96px;margin:0 auto}
.legal h1{font-size:clamp(32px,4vw,44px);margin:0 0 24px}
.legal h2{font-size:22px;margin:36px 0 8px}
.galeria-bloque{padding:48px 0;border-bottom:1px solid var(--borde)}
.galeria-bloque .contenedor{display:grid;grid-template-columns:240px minmax(0,1fr);column-gap:40px;align-items:start}
.galeria-bloque h2{grid-column:1;font-size:21px;line-height:1.25;margin:0 0 8px}
.galeria-bloque p{grid-column:1;margin:0;font-size:15px}
.galeria-bloque .fotos{grid-column:2;grid-row:1/span 3;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.galeria-bloque .fotos a:first-child{grid-column:span 2;grid-row:span 2}
.galeria-bloque .fotos img{aspect-ratio:4/3}
.galeria-bloque .fotos a:first-child img{height:100%}
@media (max-width:800px){.galeria-bloque .contenedor{grid-template-columns:1fr}.galeria-bloque .fotos{grid-column:1;grid-row:auto;margin-top:16px;grid-template-columns:repeat(2,minmax(0,1fr))}}