/* ARMO GPC — estilos compartidos por todas las páginas */
:root{
  /* Colores tomados del logo ARMO GPC */
  --blanco:#FFFFFF;
  --niebla:#F2F5F8;      /* fondo alterno, gris frío */
  --tinta:#152441;       /* azul marino del logo */
  --noche:#0C1729;       /* bandas oscuras y pie */
  --acero:#3C617E;       /* azul acero del emblema */
  --azul:#1D5FCB;        /* acento: botones y enlaces */
  --azul-osc:#164BA3;
  --azul-claro:#7FB2F0;  /* acento sobre fondos oscuros */
  --gris:#556072;
  --linea:#D9E0E7;
  --gris-claro:#F4F4F4;   /* gris neutro de las tarjetas de cifras */
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --texto:"Archivo","Helvetica Neue",Arial,sans-serif;
  --mono:"Archivo","Helvetica Neue",Arial,sans-serif;
  --ancho:1280px;
  --pad:clamp(20px,4.5vw,64px);
  --lado:max(var(--pad),calc((100vw - var(--ancho)) / 2 + var(--pad)));
  --ease-out:cubic-bezier(0.23,1,0.32,1);      /* entradas y respuestas de la interfaz */
  --ease-in-out:cubic-bezier(0.77,0,0.175,1);  /* movimiento en pantalla */
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--blanco);color:var(--tinta);font-family:var(--texto);font-size:17px;line-height:1.65;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
::selection{background:var(--azul);color:var(--blanco)}
input,textarea,select{caret-color:var(--azul);accent-color:var(--azul)}
a,button,input,select,textarea,label{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
a{text-underline-offset:.2em}
.saltar{position:absolute;left:12px;top:-60px;z-index:60;background:var(--tinta);color:var(--blanco);padding:12px 18px;font-weight:600;text-decoration:none;transition:top 160ms var(--ease-out)}
.saltar:focus{top:12px}
a{color:inherit}
p{margin:0}
h1,h2,h3{margin:0;font-family:var(--display);font-stretch:100%;font-weight:400;letter-spacing:-.02em;text-wrap:balance}
.wrap{max-width:var(--ancho);margin:0 auto;padding:0 var(--pad)}
.eti{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--azul)}
:focus-visible{outline:2px solid var(--azul);outline-offset:3px}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:12px;font:600 12.5px/1 var(--texto);letter-spacing:.1em;text-transform:uppercase;text-decoration:none;padding:18px 26px;border:1px solid var(--azul);background:var(--azul);color:var(--blanco);cursor:pointer;transition:background-color 200ms ease,color 200ms ease,border-color 200ms ease,transform 160ms var(--ease-out)}
.btn:active,.filtros button:active,.puntos button:active,.visor button:active,.menu-btn:active,.navobra a:active{transform:scale(0.97)}
.filtros button,.puntos button,.visor button,.menu-btn,.navobra a{transition:transform 160ms var(--ease-out),color 200ms ease,background-color 200ms ease}
.btn:hover{background:var(--azul-osc);border-color:var(--azul-osc)}
.btn.linea{background:transparent;color:var(--tinta);border-color:var(--tinta)}
.btn.linea:hover{background:var(--tinta);color:var(--blanco)}
.btn.claro{background:transparent;color:var(--blanco);border-color:rgba(255,255,255,.75)}
.btn.claro:hover{background:var(--blanco);color:var(--tinta)}
.btn.claro-lleno{background:var(--blanco);border-color:var(--blanco);color:var(--tinta)}
.btn.claro-lleno:hover{background:transparent;color:var(--blanco)}
.acciones{display:flex;gap:14px;flex-wrap:wrap}
.flecha{display:inline-block;transition:transform 200ms var(--ease-out)}
.mas{font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:var(--azul);display:inline-flex;gap:10px;align-items:center}

/* Cabecera */
/* Cabecera: transparente sobre la foto con el nombre en texto; blanca con el logo a color al bajar */
.cab{position:fixed;inset:0 0 auto 0;z-index:50;transition:background-color 200ms ease,box-shadow 200ms ease}
.cab .barra{display:flex;align-items:center;justify-content:space-between;gap:24px;height:80px;padding:0 var(--pad)}
.cab .logo{display:flex;align-items:center;height:46px;flex:none;text-decoration:none}
.marca{display:inline-flex;flex-direction:column;align-items:stretch;color:var(--blanco);line-height:1;text-shadow:0 1px 16px rgba(8,14,26,.3);transition:color 200ms ease}
.marca b{font-family:"Cinzel","Trajan Pro",Georgia,serif;font-weight:600;font-size:30px;letter-spacing:.1em;padding-left:.1em}
.marca small{display:flex;align-items:center;gap:9px;margin-top:5px;font-family:var(--texto);font-stretch:112%;font-weight:600;font-size:9.5px;letter-spacing:.55em;padding-left:.55em}
.marca small::before,.marca small::after{content:"";flex:1;height:1px;background:currentColor;opacity:.85}
.cab.solida .marca,.cab.abierta .marca{color:var(--tinta);text-shadow:none}
/* Logo en imagen (opción LOGO = "imagen"): blanco con emblema sobre fotos, a color con la cabecera blanca */
.cab .logo:has(.logo-img){position:relative;height:54px}
.logo-img{display:block;height:54px;width:auto;transition:opacity 200ms ease;filter:drop-shadow(0 1px 12px rgba(8,14,26,.3))}
.logo-img.navy{position:absolute;left:0;top:0;opacity:0;filter:none}
.cab.solida .logo-img.white,.cab.abierta .logo-img.white{opacity:0}
.cab.solida .logo-img.navy,.cab.abierta .logo-img.navy{opacity:1}
.pie-logo{height:64px;width:auto}
/* Logo tipográfico (variante "Enlazada"): ARMO en Bodoni Moda, la O con la vía y GPC muy espaciado; todo en currentColor */
.md{--md:44px;display:inline-flex;flex-direction:column;color:var(--blanco);line-height:1;filter:drop-shadow(0 1px 14px rgba(8,14,26,.35));transition:color 200ms ease}
.md-armo{display:flex;align-items:baseline;font-family:"Bodoni Moda","Bodoni 72",Didot,Georgia,serif;font-weight:700;font-variation-settings:"opsz" 6;font-size:var(--md);letter-spacing:-.06em}
.md-o{flex:none;width:calc(var(--md) * .739);height:calc(var(--md) * .77);margin-bottom:calc(var(--md) * -.01);fill:currentColor}
.md-gpc{display:flex;align-items:center;gap:.55em;margin-top:calc(var(--md) * .17);font-family:var(--texto);font-stretch:112%;font-weight:600;font-size:max(9px,calc(var(--md) * .2));letter-spacing:.5em;line-height:1}
.md-gpc b{font-weight:600;padding-left:.5em}
.md-gpc i{flex:1;height:max(1px,calc(var(--md) * .018));background:currentColor;opacity:.75}
.cab.solida .md,.cab.abierta .md{color:var(--tinta);filter:none}
.md-pie{--md:48px;filter:none}
.marca-pie{text-shadow:none}
.marca-pie b{font-size:38px}
.marca-pie small{font-size:11px;margin-top:7px}
.cab nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,40px)}
.cab nav a{font-size:15px;font-weight:500;letter-spacing:0;text-decoration:none;color:var(--blanco);padding:6px 0;border-bottom:1px solid transparent;transition:color 200ms ease,border-color 200ms ease}
.cab nav a:hover,.cab nav a[aria-current="page"]{border-bottom-color:currentColor}
.cab .der{display:flex;align-items:center;gap:22px}
.cab .tel{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;text-decoration:none;color:var(--blanco);transition:color 200ms ease}
.cab .tel svg{width:16px;height:16px}
.cab .der .btn{padding:14px 20px;background:transparent;border-color:rgba(255,255,255,.75)}
.cab .der .btn:hover{background:var(--blanco);color:var(--tinta)}
.cab.solida{background:var(--blanco);box-shadow:0 1px 0 var(--linea)}
.cab.solida nav a,.cab.solida .tel{color:var(--tinta)}
.cab.solida nav a[aria-current="page"]{color:var(--azul)}
.cab.solida .der .btn{background:var(--azul);border-color:var(--azul);color:var(--blanco)}
.cab.solida .der .btn:hover{background:var(--azul-osc)}
.menu-btn{display:none;background:none;border:0;padding:10px;cursor:pointer;color:var(--blanco)}
.cab.solida .menu-btn{color:var(--tinta)}
.menu-btn span{display:block;width:26px;height:1.5px;background:currentColor;margin:6px 0;transition:transform 200ms var(--ease-out),opacity 200ms ease}

/* Menú desplegable (mega menú) en computadora */
.mega{position:absolute;left:0;right:0;top:100%;background:var(--blanco);border-top:1px solid var(--linea);box-shadow:0 24px 48px rgba(12,23,41,.14);opacity:0;transform:translateY(-6px);transition:opacity 180ms var(--ease-out),transform 220ms var(--ease-out)}
.mega.visible{opacity:1;transform:none}
.mega-in{max-width:var(--ancho);margin:0 auto;padding:44px var(--pad) 48px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.2fr) minmax(0,.9fr);gap:clamp(32px,4vw,64px);align-items:start}
.mega-tit{margin:0 0 14px;font-family:var(--display);font-weight:400;font-size:32px;line-height:1.05;letter-spacing:-.02em;color:var(--tinta)}
.mega-intro p:not(.mega-tit){margin:0 0 22px;color:var(--gris);font-size:16px;max-width:36ch}
.mega-lista{list-style:none;margin:0;padding:0;border-top:1px solid var(--linea)}
.mega-lista a{display:block;padding:14px 0;border-bottom:1px solid var(--linea);text-decoration:none;color:var(--tinta);font-size:18px;line-height:1.3;transition:color 180ms ease,padding-left 220ms var(--ease-out)}
.mega-lista a small{display:block;margin-top:3px;font-size:13.5px;color:var(--gris)}
.mega-lista a:hover,.mega-lista a:focus-visible{color:var(--azul);padding-left:8px}
.mega-card{display:block;text-decoration:none;color:var(--tinta);background:var(--niebla)}
.mega-card img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card-txt{display:block;padding:18px 20px 22px}
.mega-card-txt b{display:block;font-weight:500;font-size:17px;line-height:1.3}
.mega-card-txt span{display:block;margin-top:6px;font-size:14px;color:var(--gris)}
.mega-card:hover b{color:var(--azul)}
.cab .barra{position:relative;z-index:2}
@media (max-width:1080px){.mega{display:none}}

/* Portada de inicio: solo fotos */
.portada{position:relative;height:min(92vh,900px);min-height:520px;overflow:hidden;background:var(--noche);color:var(--blanco)}
.portada .slide{position:absolute;inset:0;opacity:0;transition:opacity 1.6s ease}
.portada .slide.activa{opacity:1}
.portada .slide img{width:100%;height:100%;object-fit:cover}
.portada .slide video{width:100%;height:100%;object-fit:cover;display:block}
.portada .slide.activa img{animation:acercar 10s ease-out forwards}
@keyframes acercar{from{transform:scale(1.03)}to{transform:scale(1.1)}}
.portada::after,.banner::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(12,23,41,.6) 0%,rgba(12,23,41,0) 24%),linear-gradient(0deg,rgba(12,23,41,.5) 0%,rgba(12,23,41,0) 22%)}
.leyenda{position:absolute;z-index:3;left:var(--lado);right:var(--lado);bottom:30px;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;font-size:13px;line-height:1.5}
.leyenda b{display:block;font-weight:500;font-size:15px}
.ley{color:var(--blanco);text-decoration:none}
.leyenda .ley b::after{content:" →";opacity:.8}
.ley:hover b{text-decoration:underline}
.portada-obras{height:min(72vh,720px);min-height:460px}
.portada-inicio{height:100vh;height:100svh;min-height:560px;max-height:1000px}
.portada-inicio::after{background:linear-gradient(90deg,rgba(12,23,41,.5) 0%,rgba(12,23,41,.12) 55%,rgba(12,23,41,0) 75%),linear-gradient(180deg,rgba(12,23,41,.55) 0%,rgba(12,23,41,0) 26%),linear-gradient(0deg,rgba(12,23,41,.78) 0%,rgba(12,23,41,.28) 42%,rgba(12,23,41,0) 70%)}
.portada-txt{position:absolute;z-index:3;left:0;right:0;bottom:clamp(40px,7vh,84px);color:var(--blanco)}
.portada-txt h1{font-weight:300;font-size:clamp(40px,5.6vw,86px);line-height:1.02;letter-spacing:-.03em;max-width:15ch}
.portada-txt .ley{display:inline-flex;gap:10px;margin-top:28px;font-size:15px;opacity:.85}
.portada-txt .ley:hover{opacity:1}
.pausa-video{position:absolute;z-index:4;right:var(--lado);bottom:clamp(40px,7vh,84px)}
.pausa-video[aria-pressed="true"] .i-pausa{display:none}
.pausa-video[aria-pressed="true"] .i-play{display:block}
.leyenda span{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;opacity:.75;text-transform:uppercase}
.puntos{display:flex;gap:8px}
.controles{display:flex;align-items:center;gap:6px}
.puntos button{width:34px;height:44px;border:0;background:none;padding:0;cursor:pointer;position:relative}
.puntos button::before{content:"";position:absolute;left:2px;right:2px;top:21px;height:2px;background:rgba(255,255,255,.35)}
.pausa{width:44px;height:44px;border:0;background:none;color:var(--blanco);cursor:pointer;display:grid;place-items:center;opacity:.85}
.pausa svg{width:16px;height:16px;fill:currentColor}
.pausa .i-play{display:none}
.pausa[aria-pressed="true"] .i-pausa{display:none}
.pausa[aria-pressed="true"] .i-play{display:block}
.puntos button.activo::before{background:var(--blanco)}

/* Portada de páginas interiores */
.banner{position:relative;height:min(62vh,620px);min-height:360px;overflow:hidden;background:var(--noche)}
.banner img,.banner video{width:100%;height:100%;object-fit:cover;display:block}
.banner .pausa-video{bottom:24px;z-index:3}

/* Bloque de título bajo la portada */
.bienvenida{padding:clamp(56px,6.5vw,96px) 0 clamp(56px,6.5vw,96px)}
.bienvenida .grid{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(40px,7vw,110px);align-items:start}
.bienvenida h1{font-size:clamp(34px,4vw,58px);line-height:1.04}
.bienvenida .izq .eti{margin-bottom:18px}
.bienvenida .cuerpo{display:grid;gap:22px;color:var(--gris);font-size:18px;max-width:58ch;padding-top:6px}
.bienvenida .cuerpo strong{color:var(--tinta);font-weight:600}
.bienvenida .acciones{margin-top:12px}
.migas{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--gris);margin-bottom:18px}
.migas a{color:var(--azul);text-decoration:none}
.migas a:hover{text-decoration:underline}

/* Secciones */
.sec{padding:clamp(64px,7vw,104px) 0}
.sec.gris{background:var(--niebla)}
.cabecera{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:clamp(32px,4vw,56px)}
.cabecera h2{font-size:clamp(30px,3.3vw,48px);line-height:1.06;max-width:22ch}
.cabecera p{color:var(--gris);max-width:60ch;margin-top:14px}
.cabecera.centrada{flex-direction:column;align-items:center;text-align:center}

/* Inicio: declaración y cifras */
.intro{padding-top:clamp(80px,9vw,140px)}
.intro-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(40px,7vw,120px);align-items:end}
.declaracion{margin:0;font-family:var(--display);font-weight:300;font-size:clamp(26px,2.9vw,42px);line-height:1.18;letter-spacing:-.02em;color:var(--tinta);text-wrap:pretty}
.intro-txt p{margin:0;color:var(--gris);max-width:48ch}
.intro-txt .acciones{margin-top:32px}
.cifras-linea{margin:clamp(64px,8vw,120px) 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.4vw,20px)}
.cifras-linea div{display:flex;flex-direction:column;min-height:clamp(260px,24vw,320px);padding:clamp(28px,3vw,44px) clamp(24px,2.6vw,40px) clamp(26px,2.6vw,36px);background:var(--gris-claro);transition:background-color 250ms ease}
.cifras-linea div:hover{background:#ECECEC}
.cifras-linea dd{order:1;margin:0;font-family:var(--display);font-weight:500;font-size:clamp(56px,6vw,96px);line-height:.95;letter-spacing:-.035em;color:var(--tinta);font-variant-numeric:tabular-nums}
.cifras-linea dt{order:2;margin-top:12px;font-size:clamp(17px,1.4vw,20px);color:var(--tinta)}
.cifra-enlace{order:3;margin-top:auto;padding-top:28px;display:inline-flex;gap:10px;align-items:center;font-size:15px;font-weight:500;color:var(--tinta);text-decoration:none}
.cifra-enlace:hover{color:var(--azul)}

/* Servicios: bandas con foto a sangre */
.banda{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center}
.banda+.banda{margin-top:clamp(56px,7vw,100px)}
.banda .foto{aspect-ratio:4/3;overflow:hidden;background:var(--niebla)}
.banda .foto img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease-out)}
.banda .texto{padding:40px var(--lado) 40px clamp(36px,5vw,84px)}
.banda.inv{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.banda.inv .foto{order:2}
.banda.inv .texto{padding:40px clamp(36px,5vw,84px) 40px var(--lado)}
.banda h2{font-size:clamp(30px,3vw,44px);line-height:1.06;margin:0 0 12px}
.lead{font-weight:600;color:var(--tinta);font-size:18px;margin-bottom:12px}
.banda p{color:var(--gris);max-width:52ch}
.banda ul{list-style:none;padding:0;margin:26px 0 30px;display:grid}
.banda li{padding:11px 0 11px 26px;border-top:1px solid var(--linea);font-size:15.5px;line-height:1.45;position:relative}
.banda li::before{content:"";position:absolute;left:0;top:19px;width:12px;height:1px;background:var(--azul)}

/* Inicio: un servicio por fila, foto grande y texto al lado, alternando */
.serv-filas{border-top:1px solid var(--linea)}
.serv-fila{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(36px,6vw,96px);align-items:center;padding:clamp(40px,5vw,72px) 0;border-bottom:1px solid var(--linea)}
.serv-fila.inv{grid-template-columns:minmax(0,1fr) minmax(0,1.3fr)}
.serv-fila.inv .foto{order:2}
.serv-fila .foto{display:block;aspect-ratio:3/2;overflow:hidden;background:var(--niebla)}
.serv-fila .foto img{width:100%;height:100%;object-fit:cover;transition:transform 700ms var(--ease-out)}
.serv-texto h3{font-weight:300;font-size:clamp(34px,3.6vw,54px);line-height:1.02;letter-spacing:-.025em}
.serv-sub{margin:16px 0 0;font-weight:600;font-size:16px;color:var(--tinta)}
.serv-texto > p:not(.serv-sub){margin:14px 0 0;color:var(--gris);max-width:46ch}
.serv-texto ul{list-style:none;margin:26px 0 30px;padding:0;display:grid}
.serv-texto li{padding:11px 0 11px 26px;border-top:1px solid var(--linea);font-size:15.5px;line-height:1.45;position:relative}
.serv-texto li:last-child{border-bottom:1px solid var(--linea)}
.serv-texto li::before{content:"";position:absolute;left:0;top:21px;width:12px;height:1px;background:var(--azul)}
.saltos{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:8px}

/* Pilares GPC */
.pilares{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--linea)}
.pilares div{padding:28px 32px 0 0}
.pilares div+div{padding-left:32px;border-left:1px solid var(--linea)}
.pilares b{display:block;font-family:var(--display);font-weight:400;font-size:clamp(24px,2.2vw,30px);letter-spacing:-.015em}
.pilares span{display:block;margin-top:10px;color:var(--gris);font-size:15.5px}

/* Visión y misión */
.vm{background:var(--tinta);color:var(--blanco)}
.vm .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px)}
.vm-t{font-family:var(--texto);font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--azul-claro)}
.vm blockquote{margin:18px 0 0;font-family:var(--display);font-weight:300;font-size:clamp(24px,2.4vw,34px);line-height:1.25;letter-spacing:-.015em}

/* Proceso de trabajo */
.proceso{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,2.4vw,36px);counter-reset:paso}
.proceso li{border-top:1px solid var(--tinta);padding-top:22px;counter-increment:paso}
.proceso li::before{content:"0" counter(paso);display:block;font-family:var(--mono);font-size:13px;letter-spacing:.06em;font-variant-numeric:tabular-nums;color:var(--azul);margin-bottom:14px}
.proceso b{display:block;font-family:var(--display);font-weight:500;font-size:20px;line-height:1.25;letter-spacing:-.01em}
.proceso span{display:block;margin-top:10px;color:var(--gris);font-size:15.5px}

/* Mosaico de destacados */
.mosaico{display:grid;grid-template-columns:1.55fr 1fr;grid-template-rows:1fr 1fr;gap:14px;height:clamp(560px,56vw,780px)}
.mosaico .m1{grid-row:span 2}
.pieza{position:relative;overflow:hidden;background:var(--noche);color:var(--blanco);display:block;text-decoration:none}
.pieza img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease-out)}
.pieza::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(12,23,41,.82) 0%,rgba(12,23,41,.15) 45%,rgba(12,23,41,0) 70%)}
.pieza .txt{position:absolute;z-index:2;left:28px;right:28px;bottom:26px}
.pieza .txt span{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.8}
.pieza .txt b{display:block;margin-top:10px;font-family:var(--display);font-weight:400;letter-spacing:-.015em;font-size:clamp(20px,2vw,28px);line-height:1.12;max-width:22ch}
.pieza.m1 .txt b{font-size:clamp(26px,3vw,42px)}

/* En ejecución */
.ejecucion{background:var(--noche);color:var(--blanco)}
.ejecucion .eti{color:var(--azul-claro)}
.ejecucion .cabecera p{color:rgba(255,255,255,.66)}
.obras{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(20px,3vw,40px);align-items:start}
.obra{display:grid;gap:22px;text-decoration:none}
/* Una sola obra en ejecución: ocupa todo el ancho, foto a la izquierda y datos a la derecha */
.obras:has(> .obra:only-child){grid-template-columns:1fr}
.obra:only-child{grid-template-columns:1.5fr 1fr;column-gap:clamp(28px,4vw,64px);row-gap:28px}
.obra:only-child .foto{grid-row:1 / span 2}
.obra:only-child > div:nth-child(2){align-self:end}
.obra:only-child .avance{align-self:start}
.obra .foto{overflow:hidden;background:#15233d;aspect-ratio:16/10}
.obra .foto img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease-out)}
.obra h3{font-size:clamp(26px,2.6vw,38px);line-height:1.08}
.obra .lugar{margin-top:8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.avance{display:grid;grid-template-columns:1fr auto;align-items:end;gap:6px 18px}
.avance small{grid-column:1/-1;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.avance .barra{height:1px;background:rgba(255,255,255,.22);position:relative;align-self:center}
.avance .barra i{position:absolute;left:0;top:-1px;height:3px;background:var(--azul-claro)}
.avance b{font-family:var(--display);font-weight:300;font-size:40px;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}

/* Portafolio */
.filtros{display:flex;flex-wrap:wrap;gap:4px 30px;margin-bottom:40px;border-bottom:1px solid var(--linea)}
.filtros button{background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:14px 0;min-height:44px;font:500 15px/1 var(--texto);letter-spacing:0;color:var(--gris);cursor:pointer}
.filtros button:hover{color:var(--tinta)}
.filtros button[aria-pressed="true"]{color:var(--tinta);border-bottom-color:var(--azul)}
.filtros button sup{font-family:var(--mono);font-size:10px;letter-spacing:0;margin-left:4px;color:var(--azul)}
.rejilla{display:grid;grid-template-columns:repeat(3,1fr);gap:52px clamp(18px,2vw,28px)}
.ficha{display:grid;align-content:start;gap:18px;text-decoration:none}
.ficha[hidden]{display:none}
.ficha .foto{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--niebla)}
.ficha .foto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity 300ms ease,transform 300ms var(--ease-out)}
.ficha .foto img+img{opacity:0}
.ficha .cat{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--azul)}
.ficha h3{font-size:20px;font-weight:400;letter-spacing:-.01em;line-height:1.25;margin-top:8px}
.ficha .lugar{font-size:15px;color:var(--gris);margin-top:6px}
.ficha:focus-visible{outline:2px solid var(--azul);outline-offset:6px}

/* Página de obra */
.ficha-tec{margin:0;display:grid;grid-template-columns:auto 1fr;align-self:start}
.ficha-tec dt,.ficha-tec dd{margin:0;padding:14px 0;border-top:1px solid var(--linea);font-size:16px}
.ficha-tec dt{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--acero);padding-right:28px;padding-top:17px}
.ficha-tec dd{color:var(--tinta)}
.descripcion{margin-top:24px;color:var(--gris);max-width:62ch}
.galeria{columns:2;column-gap:16px}
.galeria.una{columns:1;max-width:1040px;margin:0 auto}
.galeria button{display:block;width:100%;margin:0 0 16px;padding:0;border:0;background:none;cursor:zoom-in;break-inside:avoid}
/* ninguna foto más alta que la pantalla: las verticales se ven completas sin desplazarse */
.galeria img{display:block;width:100%;height:auto;max-height:calc(100vh - 140px);object-fit:cover;transition:opacity 200ms ease}
.galeria button:hover img{opacity:.9}
.navobra{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.navobra a{padding:28px 0;text-decoration:none;display:grid;gap:6px}
.navobra a+a{text-align:right;border-left:1px solid var(--linea);padding-left:24px}
.navobra small{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--azul)}
.navobra b{font-weight:500;font-size:17px}
.navobra a:hover b{color:var(--azul)}

/* Visor de fotos */
dialog.visor{overscroll-behavior:contain;border:0;padding:0;width:min(1400px,96vw);max-width:none;max-height:94vh;background:transparent;overflow:visible}
dialog.visor::backdrop{background:rgba(8,14,26,.94)}
dialog.visor[open]{opacity:1;transform:none;transition:opacity 220ms var(--ease-out),transform 220ms var(--ease-out)}
@starting-style{dialog.visor[open]{opacity:0;transform:scale(0.96)}}
.visor img{display:block;max-width:100%;max-height:84vh;margin:0 auto;object-fit:contain}
.visor .ctrl{display:flex;justify-content:center;align-items:center;gap:20px;margin-top:14px;color:var(--blanco);font-family:var(--mono);font-size:12px;letter-spacing:.1em}
.visor button{border:1px solid rgba(255,255,255,.4);background:transparent;color:var(--blanco);width:46px;height:46px;font-size:20px;cursor:pointer}
.visor button:hover{background:var(--blanco);color:var(--tinta)}
.visor .cerrar{position:fixed;top:18px;right:18px}

/* Clientes y tipos de obra: lista con filetes */
.lista-clientes,.tipos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);column-gap:clamp(20px,3vw,48px);border-bottom:1px solid var(--linea)}
.lista-clientes li,.tipos li{padding:22px 0 24px;border-top:1px solid var(--linea);font-size:clamp(17px,1.4vw,20px);line-height:1.3;letter-spacing:-.01em;color:var(--tinta);margin-bottom:-1px}

/* Llamado a la acción */
.llamado{position:relative;color:var(--blanco);background:var(--noche);overflow:hidden}
.llamado img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.llamado::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,23,41,.85),rgba(12,23,41,.2))}
.llamado .wrap{position:relative;z-index:2;padding-top:clamp(100px,12vw,170px);padding-bottom:clamp(100px,12vw,170px)}
.llamado .eti{color:var(--azul-claro)}
.llamado h2{font-weight:300;font-size:clamp(36px,4.6vw,66px);line-height:1.02;letter-spacing:-.03em;margin:0 0 24px;max-width:16ch}
.llamado p{font-weight:300;font-size:18px;max-width:46ch;opacity:.9}
.llamado .acciones{margin-top:34px}

/* Contacto */
.h1-contacto{font-size:clamp(40px,4.6vw,66px);line-height:1;margin:0 0 22px}
.contacto-lead{color:var(--gris);max-width:44ch;margin:0 0 44px}
.datos-c span{font-size:18px}
.contacto-pag .grid{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(40px,7vw,110px);align-items:start}
.datos-c{display:grid;gap:26px}
.datos-c div{border-top:1px solid var(--linea);padding-top:14px}
.datos-c small{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--acero);margin-bottom:6px}
.datos-c a{display:block;text-decoration:none;font-size:18px}
.datos-c a:hover{color:var(--azul)}
form{display:grid;grid-template-columns:1fr 1fr;gap:28px}
form label{display:grid;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gris)}
form .todo{grid-column:1/-1}
input,textarea,select{font:400 17px/1.4 var(--texto);color:var(--tinta);background-color:var(--blanco);border:0;border-bottom:1px solid #AEB8C4;padding:10px 0;border-radius:0;width:100%;letter-spacing:0;text-transform:none}
textarea{resize:vertical;min-height:120px}
input:focus,textarea:focus,select:focus{outline:none;border-bottom-color:var(--azul)}
form .nota{grid-column:1/-1;font-size:14px;color:var(--gris)}
form .btn{justify-self:start}

/* Pie */
.pie{background:var(--noche);color:rgba(255,255,255,.7);padding:80px 0 36px;font-size:15px}
.pie .grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.pie p{margin-top:22px;max-width:36ch}
.pie-tit{margin:0 0 18px;font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--azul-claro)}
.pie ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.pie a{text-decoration:none}
.pie a:hover{color:var(--blanco)}
.pie .legal{margin-top:64px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* Botón flotante de WhatsApp */
.wa{position:fixed;right:22px;bottom:22px;z-index:40;display:grid;place-items:center;width:54px;height:54px;background:var(--tinta);color:var(--blanco);border-radius:50%;box-shadow:0 6px 20px rgba(12,23,41,.28);transition:transform 200ms var(--ease-out),background-color 200ms ease}
.wa:hover{background:var(--azul)}
.wa svg{width:24px;height:24px}

/* Efectos al pasar el ratón: solo con ratón o trackpad */
@media (hover:hover) and (pointer:fine){
  .obra:hover .foto img,.ficha:hover .foto img{transform:scale(1.04);transition-duration:500ms}
  .banda:hover .foto img,.serv-fila:hover .foto img{transform:scale(1.03);transition-duration:600ms}
  .pieza:hover img{transform:scale(1.045);transition-duration:500ms}
  .ficha:hover .foto img+img{opacity:1}
  a:hover .flecha{transform:translateX(4px)}
  .wa:hover{transform:translateY(-2px)}
}
/* Tarjetas y botón de WhatsApp: respuesta al tocar */
.ficha:active .foto,.pieza:active,.obra:active .foto{transform:scale(0.99)}
.ficha .foto,.pieza,.obra .foto{transition:transform 160ms var(--ease-out)}
.wa:active{transform:scale(0.97)}

/* Responsive */
@media (max-width:1080px){
  .cab .md{--md:38px}
  .cab nav{position:fixed;inset:80px 0 auto 0;background:var(--blanco);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad) 28px;box-shadow:0 14px 30px rgba(12,23,41,.14);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity 200ms var(--ease-out),transform 200ms var(--ease-out),visibility 200ms}
  .cab nav a{color:var(--tinta);padding:16px 0;border-bottom:1px solid var(--linea)}
  .cab nav a[aria-current="page"]{color:var(--azul);border-bottom-color:var(--linea)}
  .cab.abierta nav{opacity:1;transform:none;visibility:visible}
  .cab.abierta{background:var(--blanco)}
  .cab.abierta .menu-btn,.cab.abierta .tel{color:var(--tinta)}
  .cab.abierta .menu-btn span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .cab.abierta .menu-btn span:nth-child(2){opacity:0}
  .cab.abierta .menu-btn span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .menu-btn{display:block}
  .cab .tel span{display:none}
  .bienvenida .grid,.intro-grid,.contacto-pag .grid{grid-template-columns:1fr}
  .lista-clientes,.tipos{grid-template-columns:repeat(3,1fr)}
  .banda,.banda.inv{grid-template-columns:1fr}
  .serv-fila,.serv-fila.inv{grid-template-columns:1fr;gap:28px}
  .serv-fila.inv .foto{order:0}
  .banda.inv .foto{order:0}
  .banda .texto,.banda.inv .texto{padding:36px var(--pad) 0}
  .proceso{grid-template-columns:1fr 1fr}
  .obras{grid-template-columns:1fr 1fr}
  .rejilla{grid-template-columns:repeat(2,1fr)}
  .pie .grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .obra:only-child{grid-template-columns:1fr}
  .obra:only-child .foto{grid-row:auto}
  body{font-size:16px}
  .cab .md{--md:31px}
  .cab .der .btn{display:none}
  .portada{height:64vh;min-height:420px}
  .banner{height:46vh;min-height:280px}
  .leyenda{flex-direction:column;align-items:flex-start;gap:10px;bottom:20px}
  .cabecera{flex-direction:column;align-items:flex-start}
  .obras,.rejilla,.vm .grid,.proceso{grid-template-columns:1fr}
  .cifras-linea{grid-template-columns:1fr}
  .cifras-linea div{min-height:0;padding:28px 24px 24px}
  .cifras-linea dd{font-size:60px}
  .cifra-enlace{padding-top:20px}
  .portada-inicio{height:88svh;min-height:520px}
  .portada-txt h1{font-size:clamp(36px,10.5vw,48px)}
  .pausa-video{right:8px;bottom:8px}
  .portada-txt{bottom:56px}
  .pilares{grid-template-columns:1fr}
  .pilares div+div{padding-left:0;border-left:0;border-top:1px solid var(--linea);margin-top:24px}
  .tipos,.lista-clientes{grid-template-columns:1fr 1fr}
  .lista-clientes li,.tipos li{padding:16px 0 18px;font-size:16px}
  .mosaico{grid-template-columns:1fr;grid-template-rows:none;height:auto}
  .mosaico .m1{grid-row:auto}
  .pieza{aspect-ratio:4/3}
  .galeria{columns:1}
  .navobra{grid-template-columns:1fr}
  .navobra a+a{text-align:left;border-left:0;border-top:1px solid var(--linea);padding-left:0}
  form{grid-template-columns:1fr}
  .pie .grid{grid-template-columns:1fr}
  .wa{width:50px;height:50px;right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .portada .slide.activa img{animation:none}
  .banda:hover .foto img,.pieza:hover img,.obra:hover .foto img,.ficha:hover .foto img,
  a:hover .flecha,.wa:hover,.btn:active,.wa:active,.ficha:active .foto,.pieza:active,.obra:active .foto{transform:none}
  dialog.visor[open]{transition:opacity 200ms ease}
  @starting-style{dialog.visor[open]{transform:none}}
}

/* Aparición suave al bajar por la página (solo con JavaScript y sin preferencia de menos movimiento) */
.revelar{opacity:0;transform:translateY(28px);transition:opacity 700ms var(--ease-out),transform 900ms var(--ease-out)}
.revelar.visto{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.revelar{opacity:1;transform:none;transition:none}}

/* Página 404 */
.error-404{padding-top:clamp(160px,18vw,220px);min-height:70vh}
.error-cod{margin:0;font-family:var(--display);font-weight:300;font-size:clamp(80px,12vw,160px);line-height:.9;letter-spacing:-.04em;color:var(--linea)}
.error-404 h1{margin-top:18px;font-size:clamp(34px,4vw,56px);line-height:1.05}
.error-txt{margin:18px 0 0;color:var(--gris);max-width:52ch}
.error-enlaces{list-style:none;margin:36px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px 36px}
.error-enlaces a{font-size:18px;color:var(--azul);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:2px}

/* Video de la obra en su ficha */
.video-obra{padding-top:0}
.video-obra video{display:block;width:100%;aspect-ratio:16/9;background:var(--noche)}