/* Espacio Sepia · sitio 2026 · Arquetypo
   Marca: amarillo #FFCD52 sobre sepia #6B441E (su favicon) y Century Gothic (su logo). */

@font-face{font-family:"CG Sepia";src:url("../fonts/century-gothic.woff") format("woff");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"CG Sepia";src:url("../fonts/century-gothic-bold.woff") format("woff");font-weight:700;font-style:normal;font-display:swap}

:root{
  --papel:#F4EFE7;
  --papel-2:#EAE2D5;
  --blanco:#FFFDF9;
  --tinta:#2A2017;
  --tinta-2:#685A4B;
  --linea:rgba(42,32,23,.16);
  --sepia:#6B441E;
  --sepia-2:#573616;
  --sepia-claro:#C9AE8A;
  --amarillo:#FFCD52;
  --gothic:"CG Sepia","Century Gothic","URW Gothic","Avant Garde",Futura,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --m:clamp(20px,4.2vw,64px);          /* margen lateral */
  --sep:clamp(88px,11vw,168px);        /* separación entre secciones */
  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-io:cubic-bezier(.7,0,.2,1);
  --cab:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--cab) + 12px)}
body{margin:0;background:var(--papel);color:var(--tinta);font:400 17px/1.6 var(--gothic);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;font-variant-numeric:tabular-nums}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--amarillo);color:var(--tinta)}
:focus-visible{outline:2px solid var(--amarillo);outline-offset:3px}
[hidden]{display:none!important}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.envoltura{padding-inline:var(--m);max-width:1680px;margin-inline:auto}

/* ---------- piezas tipográficas ---------- */
.ceja{font:500 12px/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;display:inline-flex;align-items:center;gap:12px;color:var(--tinta-2)}
.ceja::before{content:"";width:28px;height:1px;background:currentColor}
.ceja b{font-weight:500;color:var(--sepia)}
.dato{font:400 12px/1.5 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.titulo{font-size:clamp(38px,5.6vw,92px);line-height:1.04;letter-spacing:-.035em;text-transform:uppercase;text-wrap:balance}
.titulo .out{-webkit-text-stroke:1.5px currentColor;color:transparent}
.frase{font-size:clamp(28px,3.4vw,52px);line-height:1.12;letter-spacing:-.025em;text-wrap:balance}
.texto{font-size:clamp(16px,1.25vw,19px);line-height:1.6;color:var(--tinta-2);max-width:54ch}
.amarillo{color:var(--amarillo)}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 26px;border-radius:60px;
  font:700 14px/1 var(--gothic);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;
  border:1.5px solid currentColor;transition:background .25s,color .25s,border-color .25s,transform .25s var(--ease)}
.btn .fl{width:14px;height:14px;transition:transform .25s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:hover .fl{transform:translate(3px,-3px)}
.btn--amarillo{background:var(--amarillo);border-color:var(--amarillo);color:var(--tinta)}
.btn--amarillo:hover{background:var(--blanco);border-color:var(--blanco)}
.btn--tinta{background:var(--tinta);border-color:var(--tinta);color:var(--papel)}
.btn--tinta:hover{background:var(--sepia);border-color:var(--sepia)}
.btn--claro{color:var(--blanco);border-color:rgba(255,253,249,.55)}
.btn--claro:hover{background:var(--blanco);color:var(--tinta);border-color:var(--blanco)}
.btn--linea:hover{background:var(--tinta);color:var(--papel);border-color:var(--tinta)}
.enlace{display:inline-flex;align-items:center;gap:10px;font:700 14px/1 var(--gothic);letter-spacing:.06em;text-transform:uppercase;
  padding-bottom:6px;background:linear-gradient(currentColor,currentColor) 0 100%/100% 1.5px no-repeat;transition:background-size .35s var(--ease)}
.enlace:hover{background-size:0 1.5px;background-position:100% 100%}
.enlace .fl{width:14px;height:14px;transition:transform .25s var(--ease)}
.enlace:hover .fl{transform:translate(3px,-3px)}

/* ---------- barra de progreso ---------- */
#progreso{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--amarillo);z-index:90;pointer-events:none}

/* ---------- carga ---------- */
.carga{position:fixed;inset:0;z-index:100;background:var(--sepia);display:grid;place-items:center;
  clip-path:inset(0 0 0 0);transition:clip-path .75s var(--ease-io)}
.carga.fuera{clip-path:inset(0 0 100% 0)}
.carga__caja{display:grid;justify-items:center;gap:26px}
.carga svg{width:clamp(84px,11vw,124px);height:auto;overflow:visible}
.carga .e1{transform:translateX(-46%);opacity:0;animation:e-entra .6s var(--ease) .05s forwards}
.carga .e2{transform:translateX(46%);opacity:0;animation:e-entra .6s var(--ease) .05s forwards}
@keyframes e-entra{to{transform:none;opacity:1}}
.carga__cuenta{font:500 12px/1 var(--mono);letter-spacing:.32em;color:var(--amarillo);opacity:.85}
html.sin-carga .carga{display:none}

/* ---------- cabecera ---------- */
.cab{position:fixed;inset:0 0 auto 0;height:var(--cab);z-index:60;color:var(--blanco);
  transition:background .35s,color .35s,box-shadow .35s,transform .45s var(--ease)}
.cab__in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cab__logo{display:block;height:44px;flex:none}
.cab__logo img{height:100%;width:auto}
.cab__logo .l-osc{display:none}
.cab__nav{display:flex;align-items:center;gap:clamp(18px,2.2vw,34px)}
.cab__nav a:not(.btn){font-size:15px;position:relative;padding:6px 0}
.cab__nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.cab__nav a:not(.btn):hover::after,.cab__nav a[aria-current]::after{transform:scaleX(1);transform-origin:left}
.cab__nav .btn{min-height:44px;padding:0 20px;font-size:13px}
.cab--solida,.cab--clara{background:rgba(244,239,231,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:var(--tinta);box-shadow:0 1px 0 var(--linea)}
.cab--solida .l-cla,.cab--clara .l-cla{display:none}
.cab--solida .l-osc,.cab--clara .l-osc{display:block}
.cab--solida .btn--claro,.cab--clara .btn--claro{color:var(--tinta);border-color:var(--tinta)}
.cab--solida .btn--claro:hover,.cab--clara .btn--claro:hover{background:var(--tinta);color:var(--papel)}
.cab--oculta{transform:translateY(-100%)}
.cab__menu{display:none;width:48px;height:48px;align-items:center;justify-content:center;margin-right:-10px}
.cab__menu span{display:block;width:26px;height:1.5px;background:currentColor;position:relative;transition:transform .3s var(--ease)}
.cab__menu span+span{margin-top:7px}
.cab__menu i{display:grid}

/* menú en celular */
.menu{position:fixed;inset:0;z-index:70;background:var(--sepia);color:var(--papel);display:flex;flex-direction:column;
  padding:calc(var(--cab) + 24px) var(--m) 36px;clip-path:circle(0 at calc(100% - 44px) 38px);visibility:hidden;
  transition:clip-path .7s var(--ease-io),visibility 0s .7s}
.menu.abierto{clip-path:circle(150% at calc(100% - 44px) 38px);visibility:visible;transition:clip-path .7s var(--ease-io)}
.menu__cerrar{position:absolute;top:14px;right:calc(var(--m) - 10px);width:48px;height:48px;display:grid;place-items:center;color:var(--amarillo)}
.menu__cerrar svg{width:24px;height:24px}
.menu nav{display:grid;gap:4px;margin-top:auto}
.menu nav a{font:700 clamp(34px,10vw,56px)/1.15 var(--gothic);text-transform:uppercase;letter-spacing:-.03em;display:flex;align-items:baseline;gap:14px}
.menu nav a small{font:500 12px/1 var(--mono);letter-spacing:.14em;color:var(--amarillo)}
.menu__pie{margin-top:auto;padding-top:28px;border-top:1px solid rgba(244,239,231,.2);display:grid;gap:8px;font-size:15px}
.menu__pie a{color:var(--amarillo)}

/* ---------- héroe ---------- */
.heroe{position:relative;min-height:100svh;min-height:max(100svh,660px);color:var(--blanco);display:flex;align-items:flex-end;overflow:hidden;background:var(--sepia-2)}
.heroe__foto{position:absolute;inset:-6% 0 0 0;will-change:transform}
.heroe__foto img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;transform:scale(1.12);filter:sepia(.95) saturate(.7) brightness(.9);
  transition:transform 2.6s var(--ease),filter 2.2s ease .25s}
.heroe.listo .heroe__foto img{transform:scale(1);filter:none}
.heroe::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(42,32,23,.55) 0%,rgba(42,32,23,0) 22%),
             linear-gradient(0deg,rgba(42,26,12,.9) 0%,rgba(42,26,12,.55) 38%,rgba(42,26,12,0) 70%),
             linear-gradient(90deg,rgba(42,26,12,.45) 0%,rgba(42,26,12,0) 60%)}
.heroe__in{position:relative;z-index:2;width:100%;padding-top:calc(var(--cab) + 40px);padding-bottom:clamp(28px,4vw,52px)}
.heroe__ceja{color:rgba(255,253,249,.82);margin-bottom:clamp(18px,2vw,28px)}
.heroe h1{font-size:min(calc((100vw - 2 * var(--m)) / 8.7),126px);line-height:.92;letter-spacing:-.035em;text-transform:uppercase}
.heroe h1 .ln{display:block;overflow:hidden;padding-bottom:.04em}
.heroe h1 .ln>span{display:inline-block;transform:translateY(105%);transition:transform 1.1s var(--ease)}
.heroe.listo h1 .ln>span{transform:none}
.heroe h1 .ln:nth-child(2)>span{transition-delay:.08s}
.heroe h1 .ln:nth-child(3)>span{transition-delay:.16s}
.heroe h1 .ln:nth-child(4)>span{transition-delay:.24s}
.heroe h1 .mas{color:var(--amarillo)}
.heroe h1 .out{-webkit-text-stroke:1.5px var(--blanco);color:transparent}
.heroe__pie{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:28px 48px;margin-top:clamp(24px,3vw,40px);
  padding-top:clamp(20px,2.4vw,30px);border-top:1px solid rgba(255,253,249,.28)}
.heroe__lema{font-size:clamp(19px,1.7vw,26px);line-height:1.3;max-width:24ch}
.heroe__acciones{display:flex;gap:12px;flex-wrap:wrap}
.heroe__credito{position:absolute;z-index:2;right:var(--m);top:calc(var(--cab) + 26px);color:rgba(255,253,249,.8);text-align:right;max-width:44ch}
.heroe__credito::before{content:"";display:inline-block;width:8px;height:8px;background:var(--amarillo);margin-right:10px;vertical-align:1px}
.aparece{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.heroe.listo .aparece{opacity:1;transform:none}
.heroe.listo .aparece.d1{transition-delay:.35s}.heroe.listo .aparece.d2{transition-delay:.5s}.heroe.listo .aparece.d3{transition-delay:.65s}

/* ---------- logos de clientes ---------- */
.clientes{padding:clamp(34px,4vw,56px) 0;border-bottom:1px solid var(--linea);display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:40px}
.clientes .ceja{padding-left:var(--m);white-space:nowrap}
.cinta{overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.cinta__pista{display:flex;align-items:center;gap:clamp(48px,5vw,84px);width:max-content;animation:cinta 46s linear infinite}
.cinta:hover .cinta__pista{animation-play-state:paused}
.cinta img{height:clamp(34px,3.4vw,50px);width:auto;opacity:.62;transition:opacity .3s}
.cinta img:hover{opacity:1}
.cinta img.ancho{height:clamp(24px,2.4vw,34px)}
@keyframes cinta{to{transform:translateX(-50%)}}

/* ---------- secciones ---------- */
.seccion{padding-block:var(--sep)}
.cabeza{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:28px var(--m);align-items:end;margin-bottom:clamp(48px,6vw,96px)}
.cabeza .ceja{grid-column:1/-1}
.cabeza .titulo{grid-column:1/span 8}
.cabeza .texto{grid-column:9/-1;justify-self:end}

/* nosotros */
.nos{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(36px,4vw,64px) var(--m)}
.nos__cab{grid-column:1/-1;display:grid;gap:clamp(22px,2.6vw,34px)}
.nos__cab .frase{max-width:22ch;font-size:clamp(34px,4.6vw,76px);line-height:1.08}
.nos__foto{grid-column:1/span 6;align-self:start}
.nos__foto figure{margin:0}
.nos__foto .marco{aspect-ratio:4/5}
.nos__col{grid-column:8/-1;display:grid;gap:clamp(30px,3.4vw,48px);align-content:start;padding-top:clamp(0px,4vw,64px)}
.nos__col .texto{max-width:46ch}
.nos__col .texto+.texto{margin-top:-14px}
.tipos{border-top:1px solid var(--linea)}
.tipos li{display:grid;grid-template-columns:48px 1fr;align-items:baseline;gap:12px;padding:16px 0;border-bottom:1px solid var(--linea);font-size:clamp(19px,1.6vw,24px);letter-spacing:-.01em;transition:padding .35s var(--ease),color .35s}
.tipos li span{font:500 12px/1 var(--mono);color:var(--sepia);letter-spacing:.1em}
.tipos li:hover{padding-left:12px;color:var(--sepia)}

/* imágenes que se revelan: entran en sepia y se pasan a color */
.marco{position:relative;overflow:hidden;background:var(--papel-2)}
.marco img{width:100%;height:100%;object-fit:cover}
.revela{clip-path:inset(100% 0 0 0);transition:clip-path 1.2s var(--ease-io)}
.revela img{transform:scale(1.16);filter:sepia(1) saturate(.65) contrast(.95);transition:transform 1.8s var(--ease),filter 1.6s ease .45s}
.revela.in{clip-path:inset(0 0 0 0)}
.revela.in img{transform:none;filter:none}
.pie-foto{display:flex;justify-content:space-between;gap:16px;margin-top:14px;color:var(--tinta-2)}

/* cifras */
.cifras{background:var(--sepia);color:var(--papel);padding-block:clamp(80px,9vw,136px) clamp(72px,8vw,120px)}
.cifras .ceja{color:rgba(244,239,231,.75)}
.cifras .ceja b{color:var(--amarillo)}
.cifras__lista{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 var(--m);margin-top:clamp(40px,5vw,72px)}
.cifra{position:relative;padding-top:clamp(20px,2vw,28px)}
.cifra::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(244,239,231,.35);transform:scaleX(0);transform-origin:0 50%;transition:transform 1.2s var(--ease)}
.cifra.in::before{transform:none}
.cifra__num{display:flex;align-items:flex-start;font-weight:700;font-size:clamp(58px,8.4vw,146px);line-height:.9;letter-spacing:-.045em;color:var(--amarillo)}
.cifra__num sup{font-size:.36em;line-height:1;margin:.14em 0 0 .06em;letter-spacing:-.02em}
.cifra__txt{margin-top:18px;font-size:clamp(15px,1.2vw,18px);line-height:1.4;max-width:16ch;color:rgba(244,239,231,.86)}

/* servicios */
.servicios__rejilla{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:0 var(--m);align-items:start}
.servicios__lista{grid-column:1/span 7;border-top:1px solid var(--linea)}
.serv{border-bottom:1px solid var(--linea);position:relative}
.serv::before{content:"";position:absolute;left:0;top:-1px;height:3px;width:0;background:var(--amarillo);transition:width .6s var(--ease)}
.serv.activo::before{width:100%}
.serv__boton{width:100%;display:grid;grid-template-columns:62px minmax(0,1fr) 44px;align-items:center;gap:12px;padding:clamp(20px,2.2vw,30px) 0;text-align:left}
.serv__num{font:500 13px/1 var(--mono);letter-spacing:.1em;color:var(--sepia)}
.serv__nombre{font-weight:700;font-size:clamp(24px,2.7vw,42px);line-height:1.1;letter-spacing:-.03em;text-transform:uppercase;transition:color .3s,transform .4s var(--ease)}
.serv__icono{width:44px;height:44px;border-radius:50%;border:1px solid var(--linea);display:grid;place-items:center;transition:background .3s,border-color .3s,transform .4s var(--ease)}
.serv__icono svg{width:14px;height:14px}
.serv:hover .serv__nombre{transform:translateX(8px)}
.serv.activo .serv__nombre{color:var(--sepia)}
.serv.activo .serv__icono{background:var(--amarillo);border-color:var(--amarillo);transform:rotate(45deg)}
.serv__cuerpo{display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s var(--ease)}
.serv.activo .serv__cuerpo{grid-template-rows:1fr}
.serv__cuerpo>div{overflow:hidden}
.serv__cuerpo .texto{padding:0 56px clamp(24px,2.4vw,32px) 74px;max-width:none}
.serv__cuerpo .marco{display:none}
.servicios__foto{grid-column:9/-1;position:sticky;top:calc(var(--cab) + 32px)}
.servicios__foto .marco{aspect-ratio:4/5}
.servicios__foto .marco img{position:absolute;inset:0;opacity:0;transform:scale(1.06);transition:opacity .7s ease,transform 1.4s var(--ease)}
.servicios__foto .marco img.ver{opacity:1;transform:none}

/* proyectos destacados (scroll horizontal) */
.obras{position:relative;background:var(--papel-2)}
.obras__fijo{position:relative}
.obras__cab{width:100%;display:flex;justify-content:space-between;align-items:end;gap:28px;padding-top:var(--sep);margin-bottom:clamp(36px,4vw,56px)}
.obras__cab .enlace{flex:none;margin-bottom:10px}
.obras__cab .titulo{max-width:16ch}
.obras__pista{display:flex;gap:clamp(18px,2vw,32px);padding:0 var(--m) var(--sep);overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.obras__pista::-webkit-scrollbar{display:none}
.obra{flex:0 0 clamp(282px,31vw,500px);scroll-snap-align:start;display:block}
.obra .marco{aspect-ratio:4/5}
.obra__info{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 14px;padding-top:18px;align-items:start}
.obra__n{font:500 12px/1.9 var(--mono);color:var(--sepia);letter-spacing:.1em;grid-row:1/span 2}
.obra__nombre{grid-column:2;font-weight:700;font-size:clamp(19px,1.6vw,24px);line-height:1.2;letter-spacing:-.02em}
.obra__meta{grid-column:2;color:var(--tinta-2)}
.obra:hover .marco img{transform:scale(1.04);transition:transform 1s var(--ease),filter .6s}
.obra--fin{display:grid;place-content:center;justify-items:start;gap:22px;background:var(--sepia);color:var(--papel);aspect-ratio:4/5;padding:clamp(28px,3vw,44px);align-self:start}
.obra--fin strong{font-size:clamp(72px,8vw,132px);line-height:.9;letter-spacing:-.05em;color:var(--amarillo)}
.obra--fin p{font-size:clamp(20px,1.8vw,28px);line-height:1.2;max-width:12ch}
.obras__barra{height:1px;margin:clamp(22px,3vh,34px) var(--m) 0;background:var(--linea);display:none}
.obras__barra i{display:block;height:100%;background:var(--tinta);transform-origin:0 50%;transform:scaleX(0)}
@media (min-width:1024px) and (prefers-reduced-motion:no-preference){
  .obras.horizontal .obras__fijo{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:center}
  .obras.horizontal .obras__cab{padding-top:calc(var(--cab) + 4px);margin-bottom:clamp(22px,3vh,40px)}
  .obras.horizontal .obras__cab .titulo{font-size:clamp(38px,4.4vw,72px)}
  .obras.horizontal .obras__pista{overflow:visible;padding-bottom:0;will-change:transform;scroll-snap-type:none}
  .obras.horizontal .obra{flex-basis:clamp(300px,25vw,440px)}
  .obras.horizontal .obra .marco,.obras.horizontal .obra--fin{aspect-ratio:auto;height:min(46vh,520px)}
  .obras.horizontal .obras__barra{display:block}
}

/* terrenos */
.terrenos{background:var(--amarillo);color:var(--tinta);padding-block:var(--sep);overflow:hidden;position:relative}
.terrenos .ceja{color:rgba(42,32,23,.7)}
.terrenos .ceja b{color:var(--tinta)}
.terrenos__rejilla{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(40px,5vw,72px) var(--m);align-items:start}
.terrenos__txt{grid-column:1/span 6;display:grid;gap:clamp(26px,3vw,40px)}
.terrenos h2{font-size:clamp(46px,6.4vw,112px);line-height:1;letter-spacing:-.045em}
.terrenos h2 .out{-webkit-text-stroke:1.6px var(--tinta);color:transparent;display:block}
.terrenos .texto{color:rgba(42,32,23,.82)}
.terrenos__lema{font-size:clamp(22px,2vw,30px);line-height:1.25;letter-spacing:-.02em;font-weight:700;padding-left:20px;border-left:3px solid var(--tinta);max-width:22ch}
.pasos{display:grid;gap:0;border-top:1px solid rgba(42,32,23,.22)}
.pasos li{display:grid;grid-template-columns:56px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid rgba(42,32,23,.22);font-size:17px;line-height:1.4}
.pasos li span{font:500 12px/1.9 var(--mono);letter-spacing:.1em}
.terrenos__form{grid-column:8/-1}
.e-fondo{position:absolute;right:-9vw;bottom:-12vw;width:44vw;max-width:720px;opacity:.13;pointer-events:none}
.e-fondo path{fill:var(--sepia)}

/* formularios */
.forma{background:var(--blanco);color:var(--tinta);padding:clamp(26px,3vw,44px);display:grid;gap:18px;position:relative;box-shadow:0 30px 60px -30px rgba(42,32,23,.35)}
.forma h3{font-size:clamp(22px,2vw,30px);line-height:1.15;letter-spacing:-.025em;text-transform:uppercase}
.forma .dato{color:var(--tinta-2)}
.campos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.campo{display:grid;gap:7px;min-width:0}
.campo--ancho{grid-column:1/-1}
.campo label{font:500 11px/1.2 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--tinta-2)}
.campo input,.campo select,.campo textarea{width:100%;min-width:0;max-width:100%;min-height:50px;padding:12px 14px;border:1px solid rgba(42,32,23,.24);border-radius:0;
  background:var(--papel);color:var(--tinta);font:400 16px/1.4 var(--gothic);-webkit-appearance:none;appearance:none;transition:border-color .25s,background .25s}
.campo select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232A2017' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.campo textarea{min-height:120px;resize:vertical}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:0;border-color:var(--sepia);background:var(--blanco)}
.campo input:user-invalid,.campo textarea:user-invalid{border-color:#b3261e}
.trampa{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.forma .btn{width:100%;margin-top:4px}
.forma .btn[disabled]{opacity:.6;pointer-events:none}
.forma__legal{font-size:13px;line-height:1.5;color:var(--tinta-2)}
.forma__legal a{text-decoration:underline;text-underline-offset:3px}
.forma__aviso{font-size:15px;line-height:1.45;min-height:0}
.forma__aviso.error{color:#a3271d}
.forma__exito{position:absolute;inset:0;background:var(--blanco);display:grid;place-content:center;justify-items:center;text-align:center;gap:16px;padding:32px;
  opacity:0;visibility:hidden;transition:opacity .5s,visibility 0s .5s}
.forma.enviada .forma__exito{opacity:1;visibility:visible;transition:opacity .5s}
.forma__exito svg{width:64px;height:64px}
.forma__exito strong{font-size:clamp(24px,2.2vw,32px);line-height:1.15;letter-spacing:-.025em;text-transform:uppercase}
.forma__exito p{color:var(--tinta-2);max-width:30ch}

/* testimonios */
.testimonios{position:relative}
.testimonios__rejilla{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:40px var(--m)}
.testimonios__lado{grid-column:1/span 4;display:grid;align-content:space-between;gap:40px}
.testimonios__lado .titulo{font-size:clamp(32px,3vw,48px);max-width:11ch}
.testimonios__ctrl{display:flex;align-items:center;gap:14px}
.testimonios__ctrl button{width:56px;height:56px;border-radius:50%;border:1px solid var(--tinta);display:grid;place-items:center;transition:background .25s,color .25s}
.testimonios__ctrl button:hover{background:var(--tinta);color:var(--papel)}
.testimonios__ctrl svg{width:16px;height:16px}
.testimonios__cuenta{font:500 13px/1 var(--mono);letter-spacing:.12em;margin-left:8px}
.testimonios__vista{grid-column:5/-1;display:grid}
.testimonio{grid-area:1/1;margin:0;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease),visibility 0s .6s}
.testimonio.activo{opacity:1;visibility:visible;transform:none;transition:opacity .6s var(--ease) .1s,transform .6s var(--ease) .1s}
.testimonio blockquote{margin:0;font-size:clamp(22px,2.3vw,36px);line-height:1.32;letter-spacing:-.02em;text-wrap:pretty}
.testimonio blockquote::before{content:"“";display:block;font-size:2.6em;line-height:.6;color:var(--amarillo);-webkit-text-stroke:1px var(--sepia);margin-bottom:14px}
.testimonio figcaption{margin-top:clamp(26px,3vw,40px);display:grid;gap:4px;padding-top:20px;border-top:1px solid var(--linea)}
.testimonio figcaption strong{font-size:18px}
.testimonio figcaption span{color:var(--tinta-2)}

/* contacto */
.contacto{background:var(--papel-2)}
.contacto__rejilla{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(44px,5vw,72px) var(--m);align-items:start}
.contacto__txt{grid-column:1/span 6;display:grid;gap:clamp(26px,3vw,40px)}
.contacto__txt .titulo{font-size:clamp(46px,6.6vw,118px);line-height:.98}
.datos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 32px;padding-top:clamp(26px,3vw,36px);border-top:1px solid var(--linea)}
.datos div{display:grid;gap:8px;align-content:start}
.datos .dato{color:var(--tinta-2)}
.datos a,.datos p{font-size:clamp(17px,1.35vw,20px);line-height:1.4}
.datos a{width:fit-content;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .35s var(--ease)}
.datos a:hover{background-size:100% 1px}
.contacto__form{grid-column:8/-1}

/* pie */
.pie{background:var(--sepia);color:var(--papel);padding-top:clamp(64px,8vw,120px);overflow:hidden}
.pie__arriba{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:40px var(--m)}
.pie__logo{grid-column:1/span 4}
.pie__logo img{height:64px;width:auto}
.pie__logo p{margin-top:24px;max-width:28ch;color:rgba(244,239,231,.78);font-size:16px;line-height:1.5}
.pie__col{grid-column:span 2;display:grid;gap:12px;align-content:start;font-size:16px;min-width:0}
.pie__col:nth-child(2){grid-column:6/span 2}
.pie__col:nth-child(3){grid-column:span 3}
.pie__col .dato{color:var(--amarillo);margin-bottom:6px}
.pie__col a{width:fit-content;opacity:.88;transition:opacity .25s}
.pie__col a:hover{opacity:1;text-decoration:underline;text-underline-offset:4px}
.pie__grande{margin-top:clamp(56px,7vw,110px);font-weight:400;font-size:min(calc((100vw - 2 * var(--m)) / 6.62),260px);line-height:1;letter-spacing:-.035em;color:var(--amarillo);white-space:nowrap;
  margin-bottom:-.1em;user-select:none}
.pie__abajo{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 28px;padding-block:22px 26px;border-top:1px solid rgba(244,239,231,.22);font-size:14px;color:rgba(244,239,231,.75);position:relative;z-index:1;background:var(--sepia)}
.pie__abajo a{text-decoration:underline;text-underline-offset:3px}
.pie__abajo a:hover{color:var(--amarillo)}

/* whatsapp flotante */
.wa{position:fixed;right:clamp(16px,2vw,28px);bottom:clamp(16px,2vw,28px);z-index:50;width:58px;height:58px;border-radius:50%;background:var(--amarillo);color:var(--tinta);display:grid;place-items:center;
  box-shadow:0 12px 30px -10px rgba(42,32,23,.5);transform:translateY(120px);transition:transform .5s var(--ease),background .25s}
.wa.ver{transform:none}
.wa:hover{background:var(--blanco)}
.wa svg{width:28px;height:28px}

/* aparecer al hacer scroll */
.rv{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ---------- página de proyectos ---------- */
.p-cab{padding-top:calc(var(--cab) + clamp(56px,8vw,120px));padding-bottom:clamp(36px,4vw,56px);display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:28px var(--m);align-items:end}
.p-cab .ceja{grid-column:1/-1}
.p-cab h1{grid-column:1/span 8;font-size:min(calc((100vw - 2 * var(--m)) * .6 / 5.5),168px);line-height:.86;letter-spacing:-.05em;text-transform:uppercase;white-space:nowrap}
.p-cab h1 sup{font:500 clamp(14px,1.4vw,20px)/1 var(--mono);letter-spacing:.06em;color:var(--sepia);vertical-align:top;margin-left:.4em;position:relative;top:.6em}
.p-cab .texto{grid-column:9/-1;justify-self:end;max-width:36ch}
.filtros{position:sticky;top:var(--cab);z-index:20;background:rgba(244,239,231,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-block:1px solid var(--linea)}
.filtros__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:12px 0;margin-left:-2px}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;min-height:40px;padding:0 16px;border-radius:40px;border:1px solid var(--linea);font:500 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;transition:background .25s,color .25s,border-color .25s}
.chip small{font-size:11px;opacity:.6}
.chip:hover{border-color:var(--tinta)}
.chip[aria-pressed="true"]{background:var(--tinta);color:var(--papel);border-color:var(--tinta)}
.vistas{display:flex;gap:4px;flex:none}
.vistas button{min-height:40px;padding:0 14px;font:500 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--tinta-2);border-bottom:1.5px solid transparent}
.vistas button[aria-pressed="true"]{color:var(--tinta);border-color:var(--tinta)}

.indice{margin-top:clamp(20px,2vw,32px)}
.indice__cab,.fila{display:grid;grid-template-columns:64px minmax(0,1.9fr) minmax(0,.9fr) minmax(0,1.1fr) minmax(0,.8fr) 40px;gap:20px;align-items:center}
.indice__cab{padding:14px 0;color:var(--tinta-2);border-bottom:1px solid var(--tinta)}
.fila{width:100%;text-align:left;padding:22px 0;border-bottom:1px solid var(--linea);position:relative;transition:color .3s}
.fila::before{content:"";position:absolute;inset:0 calc(var(--m) * -1);background:var(--blanco);opacity:0;transition:opacity .3s;z-index:-1}
.fila:hover::before,.fila:focus-visible::before{opacity:1}
.fila__n{font:500 12px/1 var(--mono);letter-spacing:.1em;color:var(--sepia)}
.fila__nombre{font-weight:700;font-size:clamp(18px,1.55vw,24px);line-height:1.2;letter-spacing:-.02em;transition:transform .4s var(--ease)}
.fila:hover .fila__nombre{transform:translateX(10px)}
.fila .dato{color:var(--tinta-2)}
.fila__fl{width:40px;height:40px;border-radius:50%;border:1px solid var(--linea);display:grid;place-items:center;transition:background .3s,border-color .3s,transform .4s var(--ease)}
.fila__fl svg{width:13px;height:13px}
.fila:hover .fila__fl{background:var(--amarillo);border-color:var(--amarillo);transform:rotate(45deg)}
.indice__vacio{padding:60px 0;color:var(--tinta-2)}
.flotante{position:fixed;left:0;top:0;width:clamp(240px,22vw,340px);aspect-ratio:4/5;z-index:30;pointer-events:none;overflow:hidden;opacity:0;
  transform:translate3d(-50%,-50%,0) scale(.85);transition:opacity .35s}
.flotante.ver{opacity:1}
.flotante img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:sepia(1) saturate(.7);transition:filter .9s ease .15s}
.flotante.ver img{filter:none}

.galeria{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(36px,4vw,64px) clamp(18px,2vw,32px);margin-top:clamp(32px,3vw,48px)}
.tarjeta{display:block;text-align:left;width:100%}
.tarjeta .marco{aspect-ratio:4/5}
.tarjeta .marco img{filter:sepia(.85) saturate(.75);transition:filter .7s ease,transform 1.1s var(--ease)}
.tarjeta:hover .marco img,.tarjeta:focus-visible .marco img{filter:none;transform:scale(1.04)}
.tarjeta.color .marco img{filter:none}
.tarjeta__info{display:grid;gap:6px;padding-top:16px}
.tarjeta__info strong{font-size:clamp(19px,1.5vw,23px);line-height:1.22;letter-spacing:-.02em}
.tarjeta__info .dato{color:var(--tinta-2)}
.tarjeta__fotos{position:absolute;left:12px;bottom:12px;background:var(--papel);padding:7px 10px;font:500 11px/1 var(--mono);letter-spacing:.1em}


/* ficha del proyecto */
.ficha{position:fixed;inset:0;z-index:80;background:var(--papel);display:grid;grid-template-columns:minmax(0,1fr) clamp(320px,28vw,440px);
  opacity:0;visibility:hidden;transition:opacity .45s var(--ease),visibility 0s .45s}
.ficha.abierta{opacity:1;visibility:visible;transition:opacity .45s var(--ease)}
.ficha__visor{position:relative;background:#1E160F;display:grid;grid-template-rows:minmax(0,1fr) auto;min-height:0}
.ficha__foto{position:relative;min-height:0}
.ficha__foto img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:clamp(16px,3vw,56px) clamp(72px,6vw,96px);opacity:0;transform:scale(.98);transition:opacity .45s,transform .6s var(--ease)}
.ficha__foto img.ok{opacity:1;transform:none}
.ficha__nav{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border-radius:50%;background:rgba(244,239,231,.12);color:var(--papel);display:grid;place-items:center;transition:background .25s}
.ficha__nav:hover{background:var(--amarillo);color:var(--tinta)}
.ficha__nav svg{width:16px;height:16px}
.ficha__nav--ant{left:16px}.ficha__nav--sig{right:16px}
.ficha__miniaturas{display:flex;gap:8px;padding:12px 16px 16px;overflow-x:auto;scrollbar-width:none}
.ficha__miniaturas button{flex:none;width:72px;height:72px;opacity:.45;transition:opacity .25s;outline-offset:2px}
.ficha__miniaturas button[aria-current="true"]{opacity:1;box-shadow:0 0 0 2px var(--amarillo)}
.ficha__miniaturas img{width:100%;height:100%;object-fit:cover}
.ficha__lado{display:flex;flex-direction:column;gap:28px;padding:clamp(28px,3vw,48px);overflow-y:auto}
.ficha__cerrar{align-self:flex-end;width:52px;height:52px;border-radius:50%;border:1px solid var(--tinta);display:grid;place-items:center;flex:none;transition:background .25s,color .25s}
.ficha__cerrar:hover{background:var(--tinta);color:var(--papel)}
.ficha__cerrar svg{width:18px;height:18px}
.ficha__lado h2{font-size:clamp(28px,2.6vw,40px);line-height:1.1;letter-spacing:-.03em}
.ficha__tabla{display:grid;border-top:1px solid var(--linea)}
.ficha__tabla div{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--linea);font-size:16px;line-height:1.4}
.ficha__tabla dt{font:500 11px/1.9 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--tinta-2)}
.ficha__tabla dd{margin:0}
.ficha__lado .btn{margin-top:auto;width:100%}
.ficha__cuenta{font:500 12px/1 var(--mono);letter-spacing:.12em;color:var(--papel);opacity:.7;position:absolute;left:20px;top:20px}

.p-cta{background:var(--sepia);color:var(--papel);padding-block:clamp(72px,9vw,140px)}
.p-cta__in{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:36px}
.p-cta .titulo{max-width:14ch}
.p-cta .titulo .amarillo{color:var(--amarillo)}

/* ---------- aviso y 404 ---------- */
.hoja{max-width:760px;padding-top:calc(var(--cab) + clamp(56px,8vw,110px));padding-bottom:var(--sep)}
.hoja h1{font-size:clamp(40px,6vw,84px);line-height:1;letter-spacing:-.04em;text-transform:uppercase;margin:18px 0 36px}
.hoja h2{font-size:clamp(20px,1.8vw,26px);letter-spacing:-.02em;margin:36px 0 10px}
.hoja p{color:var(--tinta-2);margin-bottom:12px}
.hoja a{text-decoration:underline;text-underline-offset:3px}
.error404{min-height:100svh;display:grid;align-content:center;justify-items:start;gap:26px;padding-top:var(--cab)}
.error404 strong{font-size:clamp(120px,24vw,340px);line-height:.8;letter-spacing:-.06em;color:var(--amarillo);-webkit-text-stroke:2px var(--sepia)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .cab__nav a:not(.btn){display:none}
  .cab__menu{display:flex}
  .clientes{grid-template-columns:1fr;gap:22px}
  .cabeza .titulo,.cabeza .texto{grid-column:1/-1;justify-self:start}
  .cifras__lista{grid-template-columns:repeat(2,minmax(0,1fr));gap:48px var(--m)}
  .terrenos__txt,.terrenos__form,.contacto__txt,.contacto__form{grid-column:1/-1}
  .testimonios__lado{grid-column:1/-1;grid-template-columns:1fr auto;align-items:end}
  .testimonios__vista{grid-column:1/-1}
  .pie__logo{grid-column:1/-1}
  .pie__col,.pie__col:nth-child(n){grid-column:span 4}
  .galeria{grid-template-columns:repeat(2,minmax(0,1fr))}
  .indice__cab,.fila{grid-template-columns:52px minmax(0,1.8fr) minmax(0,1fr) minmax(0,1fr) 40px}
  .indice__cab .c-alc,.fila .c-alc{display:none}
  .ficha{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto}
  .ficha__lado{max-height:42vh;gap:18px}
  .ficha__foto img{padding:12px 56px}
  .ficha__lado .btn{margin-top:4px}
}
@media (max-width:860px){
  .nos__foto,.nos__col{grid-column:1/-1}
  .nos__col{padding-top:0}
  .servicios__lista{grid-column:1/-1}
  .servicios__foto{display:none}
  .serv__cuerpo .texto{padding:0 0 18px 0}
  .serv__cuerpo .marco{display:block;aspect-ratio:16/10;margin-bottom:26px}
  .serv__boton{grid-template-columns:44px minmax(0,1fr) 44px}
  .heroe__pie{grid-template-columns:1fr}
  .heroe__credito{display:none}
  .p-cab h1,.p-cab .texto{grid-column:1/-1;justify-self:start}
  .p-cab h1{font-size:calc((100vw - 2 * var(--m)) / 6.6)}
  .indice__cab{display:none}
  .fila{grid-template-columns:40px minmax(0,1fr) 40px;gap:6px 14px;padding:18px 0}
  .fila .c-tipo,.fila .c-lugar{grid-column:2;font-size:11px}
  .fila .c-tipo{grid-row:2}
  .fila .c-lugar{display:none}
  .fila__fl{grid-column:3;grid-row:1/span 2}
  .flotante{display:none}
}
@media (max-width:640px){
  :root{--cab:66px}
  body{font-size:16px}
  .titulo{font-size:min(38px,calc((100vw - 2 * var(--m)) / 9.6))}
  .cab__logo{height:38px}
  .cab__nav .btn{display:none}
  .heroe__acciones{display:grid;grid-template-columns:1fr;width:100%}
  .heroe__acciones .btn{width:100%}
  .heroe__lema{max-width:none}
  .campos{grid-template-columns:1fr}
  .datos{grid-template-columns:1fr}
  .pie__col,.pie__col:nth-child(n){grid-column:1/-1}
  .galeria{grid-template-columns:1fr}
  .obras__cab{flex-direction:column;align-items:start}
  .testimonios__lado{grid-template-columns:1fr}
  .terrenos__lema{font-size:22px}
  .pie__abajo{flex-direction:column}
  .filtros__in{flex-direction:column;align-items:stretch;gap:0}
  .vistas{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .rv,.aparece{opacity:1;transform:none}
  .revela{clip-path:none}.revela img{transform:none;filter:none}
  .heroe h1 .ln>span{transform:none}
  .heroe__foto img{transform:none;filter:none}
  .carga{display:none}
}