/* Huacho 3D Lab — huacho3dlab.com
   Paleta oficial (docs/marca, 2026-10-15): azul #168BFF · grafito #171B22 · marfil #F3F0E8 · naranja #FF7A30 */

:root {
  --tinta: #0F1218;
  --grafito: #171B22;
  --grafito-2: #1E232C;
  --linea: rgba(243, 240, 232, .10);
  --linea-fuerte: rgba(243, 240, 232, .22);
  --marfil: #F3F0E8;
  --marfil-2: #B9B4A8;
  --marfil-3: #8A867D;
  --azul: #168BFF;
  --azul-claro: #5AAEFF;
  --naranja: #FF7A30;
  --verde: #3DDC97;
  --papel: #F3F0E8;
  --papel-tinta: #171B22;
  --papel-suave: #5C5A55;

  --f-titulo: "Space Grotesk", system-ui, sans-serif;
  --f-texto: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  --radio: 14px;
  --ancho: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--tinta);
  color: var(--marfil);
  font: 400 17px/1.6 var(--f-texto);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-titulo); font-weight: 700; line-height: 1.08; letter-spacing: -.02em; margin: 0; }
h2 { font-size: clamp(32px, 5vw, 52px); }
h3 { font-size: 22px; letter-spacing: -.01em; }
p { margin: 0; }
.mono { font-family: var(--f-mono); font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; }
:focus-visible { outline: 2px solid var(--azul); outline-offset: 3px; border-radius: 6px; }

.envoltura { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 var(--gutter); }
.saltar { position: absolute; left: -999px; top: 8px; background: var(--azul); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.saltar:focus { left: 8px; }

/* Botones ------------------------------------------------------------ */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; border-radius: 999px; border: 1px solid transparent;
  background: var(--azul); color: #fff; font: 600 16px/1 var(--f-texto);
  text-decoration: none; cursor: pointer;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
  box-shadow: 0 8px 30px -10px rgba(22, 139, 255, .7);
}
.boton:hover { background: #2E97FF; transform: translateY(-2px); }
.boton svg { width: 20px; height: 20px; fill: currentColor; }
.boton--fantasma { background: transparent; border-color: var(--linea-fuerte); box-shadow: none; }
.boton--fantasma:hover { background: rgba(243, 240, 232, .06); }
.boton--chico { padding: 10px 18px; font-size: 14.5px; box-shadow: none; }
.boton--ancho { width: 100%; }

.etiqueta {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 13px/1 var(--f-mono); letter-spacing: .05em; text-transform: uppercase;
  color: var(--marfil-2); padding: 9px 14px; border: 1px solid var(--linea); border-radius: 999px;
  background: rgba(23, 27, 34, .6);
}
.punto { width: 8px; height: 8px; border-radius: 50%; background: var(--verde); box-shadow: 0 0 0 0 rgba(61, 220, 151, .6); animation: latido 2s infinite; flex: none; }
@keyframes latido { 0% { box-shadow: 0 0 0 0 rgba(61, 220, 151, .55); } 70% { box-shadow: 0 0 0 9px rgba(61, 220, 151, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); } }

/* Barra superior ----------------------------------------------------- */
.barra { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.barra.con-fondo { background: rgba(15, 18, 24, .82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--linea); }
.barra__fila { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; font: 700 17px/1 var(--f-titulo); letter-spacing: .04em; }
.marca b { color: var(--azul); }
.menu { display: flex; align-items: center; gap: 30px; }
.menu a:not(.boton) { text-decoration: none; color: var(--marfil-2); font-size: 15px; font-weight: 500; transition: color .2s; }
.menu a:not(.boton):hover { color: var(--marfil); }
.hamburguesa { display: none; width: 44px; height: 44px; border: 1px solid var(--linea-fuerte); border-radius: 12px; background: transparent; cursor: pointer; padding: 0; position: relative; }
.hamburguesa span { position: absolute; left: 12px; right: 12px; height: 2px; background: var(--marfil); transition: transform .25s, top .25s; }
.hamburguesa span:first-child { top: 17px; }
.hamburguesa span:last-child { top: 25px; }
.hamburguesa[aria-expanded="true"] span:first-child { top: 21px; transform: rotate(45deg); }
.hamburguesa[aria-expanded="true"] span:last-child { top: 21px; transform: rotate(-45deg); }

/* Portada ------------------------------------------------------------ */
.portada { position: relative; padding: 140px 0 90px; overflow: hidden; }
.portada__fondo {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 78% 40%, rgba(22, 139, 255, .20), transparent 70%),
    radial-gradient(40% 40% at 15% 90%, rgba(255, 122, 48, .10), transparent 70%),
    var(--tinta);
}
.portada__fondo::after {
  /* malla hexagonal, el motivo de la marca */
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0l28 16v32L28 64 0 48V16zM28 64v33M0 48l0 0M56 48l0 0' fill='none' stroke='%23F3F0E8' stroke-opacity='.05'/%3E%3C/svg%3E");
  mask-image: radial-gradient(70% 70% at 60% 40%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 70% at 60% 40%, #000, transparent 75%);
}
.portada__grilla { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.portada h1 { font-size: clamp(40px, 5.6vw, 70px); margin: 26px 0 22px; }
.portada h1 em { font-style: normal; background: linear-gradient(100deg, var(--azul-claro), var(--azul) 40%, var(--naranja)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.portada__bajada { font-size: clamp(17px, 1.6vw, 19px); color: var(--marfil-2); max-width: 540px; }
.portada__bajada strong { color: var(--marfil); }
.portada__acciones { display: flex; flex-wrap: wrap; gap: 12px; margin: 34px 0 44px; }

.datos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 0; border-top: 1px solid var(--linea); }
.datos div { padding: 18px 16px 0 0; }
.datos div + div { padding-left: 18px; border-left: 1px solid var(--linea); }
.datos dt { font: 700 clamp(20px, 2.4vw, 28px)/1 var(--f-titulo); color: var(--marfil); }
.datos dd { margin: 8px 0 0; font-size: 13.5px; color: var(--marfil-3); line-height: 1.4; }

.visor { margin: 0; }
.visor__marco { position: relative; border-radius: 22px; overflow: hidden; background: #c7b8a8; border: 1px solid var(--linea-fuerte); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 0 8px rgba(243, 240, 232, .03); aspect-ratio: 4 / 3.4; }
.visor__video { width: 100%; height: 100%; object-fit: cover; transform: scale(1.18); }
.esquina { position: absolute; width: 22px; height: 22px; border: 2px solid rgba(23, 27, 34, .55); }
.esquina--1 { top: 16px; left: 16px; border-right: 0; border-bottom: 0; }
.esquina--2 { top: 16px; right: 16px; border-left: 0; border-bottom: 0; }
.esquina--3 { bottom: 16px; left: 16px; border-right: 0; border-top: 0; }
.esquina--4 { bottom: 16px; right: 16px; border-left: 0; border-top: 0; }
.visor__hud { position: absolute; left: 48px; right: 48px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font: 500 11px/1 var(--f-mono); letter-spacing: .08em; color: rgba(23, 27, 34, .75); }
.visor__hud--arriba { top: 22px; }
.visor__hud--abajo { bottom: 18px; left: 18px; right: 18px; padding: 10px 14px; border-radius: 12px; background: rgba(15, 18, 24, .78); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: var(--marfil); }
.chip-vivo { display: inline-flex; align-items: center; gap: 8px; text-transform: uppercase; white-space: nowrap; }
.barra-avance { flex: 1; height: 6px; border-radius: 6px; background: rgba(243, 240, 232, .14); overflow: hidden; display: block; min-width: 60px; }
.barra-avance i { display: block; height: 100%; width: calc(var(--p) * 100%); border-radius: inherit; background: linear-gradient(90deg, var(--azul), var(--naranja)); transition: width 1s ease; }
.visor figcaption { margin-top: 14px; color: var(--marfil-3); }

/* Franja ------------------------------------------------------------- */
.franja { contain: paint; border-block: 1px solid var(--linea); background: var(--grafito); overflow: hidden; padding: 18px 0; }
.franja__pista { display: flex; gap: 28px; width: max-content; animation: desliza 40s linear infinite; font: 500 15px/1 var(--f-titulo); color: var(--marfil-2); white-space: nowrap; }
.franja__pista i { font-style: normal; color: var(--azul); }
@keyframes desliza { to { transform: translateX(-50%); } }

/* Secciones ---------------------------------------------------------- */
.seccion { padding: clamp(80px, 11vw, 140px) 0; position: relative; }
.seccion__num { color: var(--azul); margin-bottom: 16px; }
.encabezado { max-width: 640px; margin-bottom: 56px; }
.encabezado > p:last-child:not(.seccion__num) { margin-top: 18px; color: var(--marfil-2); font-size: 18px; }
.encabezado--fila { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* Servicios */
.servicios { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.servicio { background: var(--grafito); border: 1px solid var(--linea); border-radius: 20px; overflow: hidden; display: flex; flex-direction: column; transition: border-color .3s, transform .3s; }
.servicio:hover { border-color: var(--linea-fuerte); transform: translateY(-4px); }
.servicio--grande { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr 1fr; }
.servicio__img { background: #fff; aspect-ratio: 16 / 10; overflow: hidden; display: grid; place-items: center; }
.servicio__img img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; transition: transform .6s ease; }
.servicio:hover .servicio__img img { transform: scale(1.04); }
.servicio__img--plano { aspect-ratio: auto; padding: 28px; background: #fff; }
.servicio__img--plano img { object-fit: contain; }
.servicio__img--contener img { object-fit: contain; padding: 12px 0 0; }
.servicio__img--oscuro { background: #2a2a2a; }
.servicio__img--oscuro img { object-fit: contain; }
.servicio__cuerpo { padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column; gap: 14px; flex: 1; }
.servicio__cuerpo > p:not(.servicio__tag) { color: var(--marfil-2); }
.servicio__cuerpo strong { color: var(--marfil); }
.servicio__tag { color: var(--naranja); }
.servicio--grande h3 { font-size: clamp(24px, 2.8vw, 32px); }
.lista { list-style: none; padding: 0; margin: 4px 0; display: grid; gap: 10px; }
.lista li { position: relative; padding-left: 26px; color: var(--marfil-2); font-size: 15.5px; }
.lista li::before { content: ""; position: absolute; left: 0; top: .5em; width: 10px; height: 11px; background: var(--azul); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.enlace { margin-top: auto; padding-top: 8px; color: var(--azul-claro); font-weight: 600; text-decoration: none; }
.enlace:hover { color: var(--marfil); }

/* Trabajos (sección clara) */
.seccion--clara { background: var(--papel); color: var(--papel-tinta); color-scheme: light; }
.seccion--clara .seccion__num { color: #0B6FD6; }
.filtros { display: flex; gap: 6px; padding: 5px; border-radius: 999px; background: rgba(23, 27, 34, .07); flex-wrap: wrap; }
.filtros button { border: 0; background: transparent; padding: 10px 18px; border-radius: 999px; font: 500 14.5px/1 var(--f-texto); color: var(--papel-suave); cursor: pointer; transition: background .2s, color .2s; }
.filtros button[aria-selected="true"] { background: var(--papel-tinta); color: var(--papel); }
.galeria { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 260px; gap: 16px; grid-auto-flow: dense; }
.obra { margin: 0; position: relative; border-radius: var(--radio); overflow: hidden; background: #e6e1d6; transition: opacity .35s, transform .35s; }
.obra--alta { grid-row: span 2; }
.obra--ancha { grid-column: span 2; }
.obra.oculta { display: none; }
.obra__btn { all: unset; display: block; width: 100%; height: 100%; cursor: zoom-in; }
.obra__btn:focus-visible { outline: 3px solid var(--azul); outline-offset: -3px; }
.obra img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.obra:hover img { transform: scale(1.05); }
.obra img.arriba { object-position: top; }
.obra figcaption { position: absolute; left: 12px; right: 12px; bottom: 12px; padding: 12px 14px; border-radius: 12px; background: rgba(23, 27, 34, .86); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: var(--marfil); display: grid; gap: 3px; transform: translateY(6px); opacity: .0; transition: opacity .3s, transform .3s; pointer-events: none; }
.obra figcaption b { font: 600 15px/1.3 var(--f-titulo); }
.obra figcaption span { font-size: 13px; color: var(--marfil-2); }
.obra:hover figcaption, .obra:focus-within figcaption { opacity: 1; transform: none; }

/* Seguimiento en vivo */
.seccion--vivo { background: radial-gradient(50% 60% at 75% 50%, rgba(22, 139, 255, .16), transparent 70%), var(--tinta); }
.vivo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.vivo__texto > p:not(.seccion__num) { margin: 20px 0 26px; color: var(--marfil-2); font-size: 18px; }
.vivo__texto strong { color: var(--marfil); }
.lista--check li::before { background: var(--verde); }
.telefono { justify-self: center; width: min(360px, 100%); padding: 12px; border-radius: 44px; background: linear-gradient(160deg, #2a303b, #12151b); border: 1px solid var(--linea-fuerte); box-shadow: 0 50px 90px -30px rgba(0, 0, 0, .9), 0 0 120px -40px rgba(22, 139, 255, .6); position: relative; }
.telefono::before { content: "Ejemplo"; position: absolute; top: -12px; right: 24px; font: 500 11px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; background: var(--naranja); color: var(--tinta); padding: 6px 10px; border-radius: 999px; }
.telefono__pantalla { border-radius: 34px; background: var(--grafito); padding: 22px 18px; display: grid; gap: 16px; }
.tp__cabecera { display: flex; align-items: center; gap: 10px; font: 600 15px/1 var(--f-titulo); }
.tp__id { margin-left: auto; color: var(--marfil-3); }
.tp__pieza { display: grid; grid-template-columns: 92px 1fr; gap: 14px; align-items: center; padding: 14px; border-radius: 18px; background: var(--grafito-2); border: 1px solid var(--linea); }
.tp__pieza > div:last-child { display: grid; gap: 7px; }
.tp__pieza b { font: 600 15px/1.2 var(--f-titulo); }
.tp__pieza .mono { color: var(--marfil-3); font-size: 11px; }
.tp__eta { color: var(--verde) !important; }
.tp__capas { position: relative; width: 92px; height: 92px; }
.tp__capas svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.tp__capas polygon { fill: none; stroke: rgba(243, 240, 232, .25); stroke-width: 2; stroke-dasharray: 4 4; }
.tp__relleno { position: absolute; inset: 0; clip-path: polygon(50% 6.7%, 87.5% 28.3%, 87.5% 71.7%, 50% 93.3%, 12.5% 71.7%, 12.5% 28.3%); background: repeating-linear-gradient(0deg, var(--naranja) 0 3px, #e5651f 3px 5px); -webkit-mask-image: linear-gradient(to top, #000 var(--relleno, 64%), transparent var(--relleno, 64%)); mask-image: linear-gradient(to top, #000 var(--relleno, 64%), transparent var(--relleno, 64%)); transition: --relleno 1s; }
.hitos { list-style: none; margin: 0; padding: 0 0 0 6px; display: grid; gap: 0; }
.hitos li { position: relative; padding: 0 0 16px 28px; display: grid; gap: 2px; color: var(--marfil-3); }
.hitos li::before { content: ""; position: absolute; left: 0; top: 4px; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--linea-fuerte); background: var(--grafito); z-index: 1; }
.hitos li::after { content: ""; position: absolute; left: 6px; top: 16px; bottom: 0; width: 2px; background: var(--linea); }
.hitos li:last-child { padding-bottom: 0; }
.hitos li:last-child::after { display: none; }
.hitos b { font-weight: 500; font-size: 14.5px; }
.hitos time, .hitos span { font: 500 11px/1.4 var(--f-mono); letter-spacing: .04em; }
.hitos .hecho { color: var(--marfil-2); }
.hitos .hecho::before { background: var(--azul); border-color: var(--azul); }
.hitos .hecho::after { background: var(--azul); }
.hitos .ahora { color: var(--marfil); }
.hitos .ahora::before { background: var(--verde); border-color: var(--verde); animation: latido 2s infinite; }
.hitos .ahora span { color: var(--naranja); }

/* Proceso */
.pasos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: paso; }
.paso { padding: 28px 24px; border-radius: 18px; border: 1px solid var(--linea); background: linear-gradient(180deg, var(--grafito), transparent); position: relative; }
.paso__num { display: inline-grid; place-items: center; width: 44px; height: 50px; color: var(--azul); background: rgba(22, 139, 255, .12); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); margin-bottom: 22px; font-size: 13px; }
.paso h3 { margin-bottom: 10px; }
.paso p { color: var(--marfil-2); font-size: 15.5px; }
.taller { margin-top: 20px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--linea); border-radius: 18px; overflow: hidden; }
.taller__item { padding: 24px; display: grid; gap: 10px; }
.taller__item + .taller__item { border-left: 1px solid var(--linea); }
.taller__item .mono { color: var(--naranja); }
.taller__item p:last-child { color: var(--marfil-2); font-size: 15.5px; }
.taller__item b { color: var(--marfil); font-weight: 600; }

/* Cotizar */
.seccion--cotizar { background: linear-gradient(180deg, var(--tinta), var(--grafito)); border-top: 1px solid var(--linea); }
.cotizar { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.cotizar__texto > p:not(.seccion__num) { margin: 20px 0 32px; color: var(--marfil-2); font-size: 18px; }
.contactos { display: grid; gap: 12px; }
.contacto { display: grid; gap: 6px; padding: 18px 20px; border-radius: 14px; border: 1px solid var(--linea); text-decoration: none; transition: border-color .2s, background .2s; }
a.contacto:hover { border-color: var(--azul); background: rgba(22, 139, 255, .06); }
.contacto .mono { color: var(--marfil-3); font-size: 11px; }
.contacto b { font: 600 18px/1.3 var(--f-titulo); word-break: break-word; }
.formulario { padding: clamp(24px, 3.5vw, 40px); border-radius: 22px; background: var(--grafito-2); border: 1px solid var(--linea-fuerte); display: grid; gap: 20px; box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .8); }
.campo { display: grid; gap: 8px; border: 0; padding: 0; margin: 0; min-width: 0; }
.campo label, .campo legend { font-size: 14px; font-weight: 500; color: var(--marfil-2); padding: 0; margin-bottom: 0; }
.campo legend { margin-bottom: 8px; }
.campo input, .campo textarea { width: 100%; font: 400 16px/1.4 var(--f-texto); color: var(--marfil); background: var(--tinta); border: 1px solid var(--linea-fuerte); border-radius: 12px; padding: 14px 16px; transition: border-color .2s, box-shadow .2s; }
.campo textarea { resize: vertical; min-height: 120px; }
.campo input::placeholder, .campo textarea::placeholder { color: var(--marfil-3); }
.campo input:focus, .campo textarea:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 4px rgba(22, 139, 255, .18); }
.campo .error { border-color: #ff5d5d; }
.opciones { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.opciones label { cursor: pointer; position: relative; }
.opciones input { position: absolute; opacity: 0; pointer-events: none; }
.opciones span { display: block; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--linea-fuerte); font-size: 14.5px; color: var(--marfil-2); transition: all .2s; height: 100%; }
.opciones input:checked + span { border-color: var(--azul); background: rgba(22, 139, 255, .12); color: var(--marfil); }
.opciones input:focus-visible + span { outline: 2px solid var(--azul); outline-offset: 2px; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; }
.formulario__nota { font-size: 13.5px; color: var(--marfil-3); text-align: center; }
.formulario__nota.mal { color: #ff8a8a; }

/* Pie */
.pie { border-top: 1px solid var(--linea); padding: 40px 0 110px; background: var(--grafito); }
.pie__fila { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.pie__marca { display: flex; align-items: center; gap: 14px; }
.pie__marca b { font: 700 16px/1 var(--f-titulo); letter-spacing: .04em; }
.pie__marca .mono { color: var(--marfil-3); margin-top: 6px; font-size: 11px; }
.pie__redes { display: flex; gap: 22px; }
.pie__redes a { text-decoration: none; color: var(--marfil-2); font-size: 15px; }
.pie__redes a:hover { color: var(--azul-claro); }
.pie__legal { color: var(--marfil-3); font-size: 13.5px; }

.wa-flotante { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; background: #25D366; box-shadow: 0 12px 30px -8px rgba(37, 211, 102, .7); transition: transform .2s; }
.wa-flotante:hover { transform: scale(1.08); }
.wa-flotante svg { width: 32px; height: 32px; fill: #fff; }

.visor-grande { border: 0; padding: 0; background: transparent; max-width: min(1200px, 94vw); max-height: 90vh; }
.visor-grande::backdrop { background: rgba(8, 10, 14, .9); backdrop-filter: blur(6px); }
.visor-grande img { max-width: 100%; max-height: 86vh; border-radius: 14px; margin: 0 auto; }
.visor-grande__cerrar { position: fixed; top: 16px; right: 16px; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--linea-fuerte); background: var(--grafito); color: var(--marfil); font-size: 28px; line-height: 1; cursor: pointer; }

/* Aparición al hacer scroll */
.aparece { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .2, 1); }
.aparece.visible { opacity: 1; transform: none; }
.sin-js .aparece { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .aparece { opacity: 1; transform: none; }
}

/* Responsivo --------------------------------------------------------- */
@media (max-width: 980px) {
  .portada__grilla, .vivo, .cotizar { grid-template-columns: 1fr; }
  .portada { padding-top: 116px; }
  .servicio--grande { grid-template-columns: 1fr; }
  .pasos { grid-template-columns: 1fr 1fr; }
  .galeria { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
}
@media (max-width: 820px) {
  .hamburguesa { display: block; }
  .menu { position: fixed; inset: 72px 0 auto; flex-direction: column; align-items: stretch; gap: 0; padding: 12px var(--gutter) 24px; background: rgba(15, 18, 24, .97); border-bottom: 1px solid var(--linea); transform: translateY(-120%); transition: transform .3s ease; }
  .menu.abierto { transform: none; }
  .menu a:not(.boton) { padding: 16px 0; border-bottom: 1px solid var(--linea); font-size: 17px; }
  .menu .boton { margin-top: 16px; padding: 15px; }
  .barra.menu-abierto { background: rgba(15, 18, 24, .97); }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .servicios, .pasos, .taller { grid-template-columns: 1fr; }
  .taller__item + .taller__item { border-left: 0; border-top: 1px solid var(--linea); }
  .galeria { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .obra--alta { grid-row: span 1; }
  .obra--ancha { grid-column: span 1; }
  .obra figcaption { opacity: 1; transform: none; }
  .datos { grid-template-columns: 1fr 1fr 1fr; }
  .datos div { padding-right: 8px; }
  .datos div + div { padding-left: 10px; }
  .datos dd { font-size: 12px; }
  .portada__acciones .boton { flex: 1 1 100%; }
  .visor__hud--arriba { display: none; }
  .opciones { grid-template-columns: 1fr; }
  .marca span { font-size: 15px; }
}