/* HORLUX — hoja de estilos. Colores y tipografía en :root */
:root{
  --fondo:#0b0c0e;
  --fondo-2:#121418;
  --fondo-3:#1a1d22;
  --linea:rgba(201,162,82,.22);
  --linea-suave:rgba(255,255,255,.08);
  --oro:#c9a252;
  --oro-claro:#e2c27d;
  --texto:#ecebe7;
  --texto-2:#a9a8a3;
  --radio:14px;
  --ancho:1180px;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --titulos: "Avenir Next", "Montserrat", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color-scheme: dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--fondo);color:var(--texto);font:400 17px/1.65 var(--sans);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--oro-claro);text-decoration:none}
a:hover{color:#fff}
h1,h2,h3{font-family:var(--titulos);line-height:1.15;margin:0 0 .6em;letter-spacing:-.01em;font-weight:600}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
h3{font-size:1.12rem}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--oro);outline-offset:3px;border-radius:4px}
.saltar{position:absolute;left:-999px;top:8px;background:var(--oro);color:#000;padding:8px 14px;border-radius:8px;z-index:100}
.saltar:focus{left:16px}
.contenedor{width:100%;max-width:var(--ancho);margin:0 auto;padding:0 16px}
@media (min-width:700px){.contenedor{padding:0 28px}}
.estrecho{max-width:820px}
.dorado{color:var(--oro)}
.centrado{text-align:center;margin-top:2.2rem}
.etiqueta{font:600 .74rem/1.2 var(--titulos);letter-spacing:.22em;text-transform:uppercase;color:var(--oro);margin-bottom:1rem}

/* Botones */
.boton{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:.75em 1.5em;border-radius:999px;background:linear-gradient(135deg,var(--oro-claro),var(--oro));color:#111;font:600 .95rem var(--titulos);letter-spacing:.02em;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.boton:hover{color:#000;transform:translateY(-1px);box-shadow:0 8px 30px rgba(201,162,82,.25)}
.boton--borde{background:transparent;color:var(--texto);border-color:var(--linea)}
.boton--borde:hover{color:#fff;border-color:var(--oro);background:rgba(201,162,82,.08);box-shadow:none}

/* Cabecera */
.cabecera{position:sticky;top:0;z-index:50;background:rgba(11,12,14,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.cabecera.con-scroll{border-color:var(--linea-suave);background:rgba(11,12,14,.92)}
.cabecera__fila{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.marca{display:flex;align-items:center;gap:12px;color:var(--texto)}
.marca img{width:64px}
.marca__texto{display:flex;flex-direction:column;line-height:1.05}
.marca__texto strong{font:600 1.05rem var(--titulos);letter-spacing:.32em}
.marca__texto small{font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--texto-2);margin-top:3px}
.menu{display:flex;align-items:center;gap:26px}
.menu>a,.menu__desplegar{color:var(--texto);font-size:.93rem}
.menu>a:hover,.menu__desplegar:hover{color:var(--oro-claro)}
.menu .boton{min-height:40px;padding:.5em 1.2em}
.menu__grupo{position:relative}
.menu__desplegar{background:none;border:0;font:inherit;cursor:pointer;padding:6px 0}
.menu__desplegar::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);margin-left:8px}
.menu__sub{position:absolute;top:calc(100% + 14px);left:-18px;min-width:260px;background:var(--fondo-2);border:1px solid var(--linea-suave);border-radius:var(--radio);padding:10px;box-shadow:0 20px 50px rgba(0,0,0,.5);opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s}
.menu__grupo:hover .menu__sub,.menu__grupo.abierto .menu__sub{opacity:1;visibility:visible;transform:none}
.menu__sub a{display:block;padding:9px 12px;border-radius:8px;color:var(--texto);font-size:.92rem}
.menu__sub a:hover{background:rgba(201,162,82,.1);color:var(--oro-claro)}
.menu-boton{display:none;width:44px;height:44px;background:none;border:1px solid var(--linea-suave);border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-boton span{width:20px;height:1.5px;background:var(--texto);transition:.25s}
@media (max-width:920px){
  .menu-boton{display:flex}
  .menu{position:fixed;inset:72px 0 auto 0;max-height:calc(100vh - 72px);overflow:auto;flex-direction:column;align-items:stretch;gap:0;padding:12px 16px 24px;background:var(--fondo);border-bottom:1px solid var(--linea-suave);transform:translateY(-110%);visibility:hidden;transition:transform .3s,visibility .3s}
  .menu.abierto{transform:none;visibility:visible}
  .menu>a,.menu__desplegar{display:block;width:100%;text-align:left;padding:14px 4px;border-bottom:1px solid var(--linea-suave);font-size:1rem}
  .menu .boton{margin-top:16px;min-height:48px}
  .menu__sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:none;padding:0 0 8px 12px;display:none}
  .menu__grupo.abierto .menu__sub{display:block}
  .menu-boton[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .menu-boton[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-boton[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--linea-suave)}
.hero__fondo{position:absolute;inset:0;background:
  radial-gradient(ellipse 60% 55% at 50% 0%,rgba(201,162,82,.16),transparent 70%),
  url("../img/topografia.svg") center/1400px auto repeat;opacity:1}
.hero__fondo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,12,14,.2),var(--fondo) 96%)}
.hero__contenido{position:relative;padding:72px 16px 80px}
.hero--inicio .hero__contenido{text-align:center;padding-top:64px;padding-bottom:88px}
.hero__logo{width:min(320px,70vw);margin:0 auto 28px;filter:drop-shadow(0 10px 40px rgba(201,162,82,.25))}
.hero__sub{font-size:1.14rem;color:var(--texto-2);max-width:700px}
.hero--inicio .hero__sub{margin:0 auto 1.5em}
.hero__botones{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.hero--inicio .hero__botones{justify-content:center}
.sellos{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-top:44px;color:var(--texto-2);font-size:.86rem}
.sellos li::before{content:"◆";color:var(--oro);font-size:.6em;margin-right:8px;vertical-align:2px}
.hero--landing h1{max-width:760px}
.hero__contenido--con-destacado{display:grid;gap:40px;align-items:center}
@media (min-width:960px){.hero__contenido--con-destacado{grid-template-columns:1.4fr 1fr}}
.migas{font-size:.85rem;color:var(--texto-2);margin-bottom:22px}
.migas a{color:var(--texto-2)}
.migas a:hover{color:var(--oro-claro)}
.destacado{background:linear-gradient(160deg,rgba(201,162,82,.14),rgba(18,20,24,.9) 55%);border:1px solid var(--linea);border-radius:20px;padding:30px}
.destacado__precio{font:600 3.4rem/1 var(--titulos);color:var(--oro-claro);margin:0}
.destacado__nota{color:var(--texto-2);font-size:.9rem;margin:.4em 0 1.4em}
.destacado ul li{position:relative;padding-left:26px;margin-bottom:10px}
.destacado ul li::before{content:"";position:absolute;left:2px;top:.55em;width:12px;height:7px;border-left:2px solid var(--oro);border-bottom:2px solid var(--oro);transform:rotate(-45deg)}
.destacado__aviso{font-size:.82rem;color:var(--texto-2);border-top:1px solid var(--linea-suave);padding-top:14px;margin:18px 0 0}

/* Secciones */
.seccion{padding:88px 0}
.seccion--oscura{background:var(--fondo-2);border-top:1px solid var(--linea-suave);border-bottom:1px solid var(--linea-suave)}
.seccion__cabecera{max-width:720px;margin-bottom:44px}
.seccion__cabecera p:not(.etiqueta){color:var(--texto-2)}
.dos-columnas{display:grid;gap:44px;align-items:start}
@media (min-width:900px){.dos-columnas{grid-template-columns:1fr 1fr;gap:72px}}
.dos-columnas p:not(.etiqueta){color:var(--texto-2)}

.rejilla{display:grid;gap:18px}
.rejilla--sectores{grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr))}
.rejilla--servicios{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr))}
.rejilla--trabajos{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr))}

.tarjeta{display:block;background:var(--fondo-3);border:1px solid var(--linea-suave);border-radius:var(--radio);padding:28px;color:var(--texto);transition:border-color .25s,transform .25s,background .25s}
.tarjeta p{color:var(--texto-2);margin:0;font-size:.97rem}
.tarjeta--sector{background:linear-gradient(180deg,var(--fondo-2),var(--fondo-3));position:relative}
.tarjeta--sector:hover{border-color:var(--linea);transform:translateY(-3px);color:var(--texto)}
.tarjeta--sector p{margin-bottom:22px}
.icono{width:44px;height:44px;color:var(--oro);margin-bottom:18px}
.enlace-flecha{color:var(--oro);font:600 .88rem var(--titulos);letter-spacing:.03em}
.enlace-flecha::after{content:" →";transition:margin .2s}
.tarjeta--sector:hover .enlace-flecha::after{margin-left:4px}
.seccion--oscura .tarjeta{background:var(--fondo)}

.metodo{display:grid;gap:18px;counter-reset:paso;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}
.metodo li{position:relative;padding:28px;border:1px solid var(--linea-suave);border-radius:var(--radio);background:var(--fondo)}
.metodo li::before{counter-increment:paso;content:"0" counter(paso);position:absolute;top:22px;right:24px;font:600 .8rem var(--titulos);color:var(--oro);letter-spacing:.1em}
.metodo p{color:var(--texto-2);margin:0;font-size:.95rem}

.lista-chips{display:flex;flex-wrap:wrap;gap:10px;align-content:flex-start}
.lista-chips li{border:1px solid var(--linea);background:rgba(201,162,82,.06);border-radius:999px;padding:.55em 1.1em;font-size:.93rem}
.lista-problemas li{position:relative;padding:16px 0 16px 34px;border-bottom:1px solid var(--linea-suave)}
.lista-problemas li:first-child{border-top:1px solid var(--linea-suave)}
.lista-problemas li::before{content:"";position:absolute;left:4px;top:24px;width:12px;height:12px;border:1.5px solid var(--oro);transform:rotate(45deg)}

.trabajo{margin:0;position:relative;border-radius:var(--radio);overflow:hidden;aspect-ratio:4/5;background:var(--fondo-3);border:1px solid var(--linea-suave)}
.trabajo img{width:100%;height:100%;object-fit:cover}
.trabajo--sin-imagen{background:radial-gradient(ellipse at 30% 20%,rgba(201,162,82,.22),transparent 60%),url("../img/topografia.svg") center/700px auto,var(--fondo-3)}
.trabajo figcaption{position:absolute;inset:auto 0 0 0;padding:22px;background:linear-gradient(0deg,rgba(0,0,0,.85),transparent);display:flex;flex-direction:column;gap:4px}
.trabajo figcaption .etiqueta{margin:0}
.trabajo figcaption span:last-child{color:var(--texto-2);font-size:.9rem}

.datos{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.datos li{border:1px solid var(--linea-suave);border-radius:var(--radio);padding:24px;background:var(--fondo-2)}
.datos strong{display:block;font:600 1.5rem var(--titulos);color:var(--oro-claro);margin-bottom:6px}
.datos span{color:var(--texto-2);font-size:.9rem}
@media (max-width:420px){.datos{grid-template-columns:1fr}}

.faq details{border-bottom:1px solid var(--linea-suave)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;font:600 1.03rem var(--titulos)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:1.6rem;color:var(--oro);font-weight:300;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--texto-2);padding-bottom:18px;margin:0}

/* Contacto */
.seccion--contacto{background:radial-gradient(ellipse 70% 60% at 0% 100%,rgba(201,162,82,.1),transparent 70%)}
.contacto-directo{display:grid;gap:10px;margin-top:28px}
.contacto-directo a{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 20px;border:1px solid var(--linea-suave);border-radius:12px;color:var(--texto);background:var(--fondo-2)}
.contacto-directo a:hover{border-color:var(--linea)}
.contacto-directo span{color:var(--texto-2);font-size:.85rem;text-transform:uppercase;letter-spacing:.14em}
.formulario{background:var(--fondo-2);border:1px solid var(--linea-suave);border-radius:20px;padding:28px;display:grid;gap:16px}
.campo{display:grid;gap:6px}
.campo label{font-size:.88rem;color:var(--texto-2)}
.campo input,.campo select,.campo textarea{width:100%;background:var(--fondo);border:1px solid var(--linea-suave);border-radius:10px;color:var(--texto);font:inherit;font-size:16px;padding:12px 14px}
.campo input:focus,.campo select:focus,.campo textarea:focus{border-color:var(--oro);outline:none}
.casilla{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--texto-2)}
.casilla input{margin-top:4px;accent-color:var(--oro)}
.formulario__botones{display:flex;flex-wrap:wrap;gap:10px}
.formulario__error{color:#f0a37a;font-size:.88rem;margin:0}

.seccion--otros{padding:56px 0;border-top:1px solid var(--linea-suave)}
.otros{display:flex;flex-wrap:wrap;gap:10px}
.otros a{display:flex;align-items:center;gap:10px;padding:10px 16px 10px 12px;border:1px solid var(--linea-suave);border-radius:999px;color:var(--texto);font-size:.92rem}
.otros a:hover{border-color:var(--linea);color:var(--oro-claro)}
.otros .icono{width:24px;height:24px;margin:0}

/* Legal */
.seccion--legal{padding-top:64px}
.texto-legal h2{font-size:1.3rem;margin-top:2em}
.texto-legal p,.texto-legal li{color:var(--texto-2)}
.texto-legal ul{list-style:disc;padding-left:1.3em}

/* Pie */
.pie{background:#08090a;border-top:1px solid var(--linea-suave);padding:64px 0 28px;font-size:.93rem}
.pie__rejilla{display:grid;gap:36px}
@media (min-width:800px){.pie__rejilla{grid-template-columns:1.4fr 1fr 1fr}}
.pie__logo{width:120px;margin-bottom:16px}
.pie__frase{color:var(--texto-2);max-width:360px}
.pie__titulo{font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:var(--oro);margin-bottom:14px}
.pie li{margin-bottom:8px}
.pie li a{color:var(--texto-2)}
.pie li a:hover{color:var(--oro-claro)}
.pie__base{color:var(--texto-2)}
.pie__legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:44px;padding-top:22px;border-top:1px solid var(--linea-suave);color:var(--texto-2);font-size:.84rem}
.pie__legal a{color:var(--texto-2)}

.whatsapp-flotante{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.4);z-index:40;transition:transform .2s}
.whatsapp-flotante:hover{transform:scale(1.07);color:#fff}
.whatsapp-flotante svg{width:30px;height:30px}

/* Aparición suave */
.aparece{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.aparece.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.aparece{opacity:1;transform:none;transition:none}*{transition:none!important}}