/* ============================================================
   AB · Coordinación de Gremios y Reformas — Albañilería
   Rediseño "plano de obra": navy + dorado sobre papel,
   tipografía industrial y ladrillo como firma visual.

   Paleta (del logo):
   --navy      #122A61   azul oscuro (ladrillos / fondo fuerte)
   --azul      #1C3E8C   azul corporativo
   --dorado    #C49A2E   paleta / cota
   --papel     #F4F1E9   fondo claro tipo papel de plano
   ============================================================ */

:root {
  --navy: #122A61;
  --azul: #1C3E8C;
  --dorado: #C49A2E;
  --dorado-cl: #D9B254;
  --papel: #F4F1E9;
  --papel-2: #ECE7DA;
  --blanco: #FFFFFF;
  --tinta: #1A2238;
  --tinta-suave: #5C6480;
  --linea: #D6CFBE;
  --wa: #25D366;
  --r: 4px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "Barlow", system-ui, sans-serif;
  color: var(--tinta);
  background: var(--papel);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  color: var(--navy);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

img { max-width: 100%; display: block; }
a { color: var(--azul); }

.contenedor { width: min(1140px, 92%); margin: 0 auto; }

/* ---- icono SVG genérico (línea) ---- */
.ico { width: 34px; height: 34px; stroke: currentColor; stroke-width: 1.7;
  fill: none; stroke-linecap: round; stroke-linejoin: round; }

/* ============================================================
   CABECERA
   ============================================================ */
.cabecera {
  background: var(--papel);
  border-bottom: 1px solid var(--linea);
  position: sticky; top: 0; z-index: 100;
}
.cabecera::after {
  content: ""; display: block; height: 4px;
  background: repeating-linear-gradient(90deg,
    var(--navy) 0 46px, var(--papel) 46px 50px,
    var(--navy) 50px 96px, var(--papel) 96px 100px);
}
.cab-fila {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.7rem 0;
}
.marca { display: flex; align-items: center; gap: 0.85rem; text-decoration: none; }
.marca img { height: 56px; width: auto; }
.marca .nombre {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700; font-size: 1.18rem; color: var(--navy);
  line-height: 1.05; text-transform: uppercase;
}
.marca .nombre span {
  display: block; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.34em; color: var(--dorado);
  font-family: "Barlow", sans-serif; text-transform: uppercase;
}

nav.menu { display: flex; gap: 0.2rem; align-items: center; }
nav.menu a {
  text-decoration: none; color: var(--navy); font-weight: 600;
  font-size: 0.82rem; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.55rem 0.85rem; position: relative; transition: color 0.2s;
}
nav.menu a:not(.btn-llamar):hover { color: var(--dorado); }
nav.menu a.activo { color: var(--dorado); }
nav.menu a.activo::after {
  content: ""; position: absolute; left: 0.85rem; right: 0.85rem; bottom: 0.2rem;
  height: 2px; background: var(--dorado);
}
nav.menu a.btn-llamar {
  background: var(--navy); color: var(--blanco); border-radius: var(--r);
  padding: 0.6rem 1.05rem; display: inline-flex; align-items: center; gap: 0.45rem;
  letter-spacing: 0.06em; transition: background 0.2s;
}
nav.menu a.btn-llamar:hover { background: var(--azul); }
nav.menu a.btn-llamar .ico { width: 18px; height: 18px; }

.menu-toggle {
  display: none; background: var(--navy); border: none; color: #fff;
  border-radius: var(--r); padding: 0.45rem 0.7rem; cursor: pointer;
}
.menu-toggle .ico { width: 22px; height: 22px; }

/* ============================================================
   HÉROE
   ============================================================ */
.heroe {
  background: var(--navy); color: #fff; position: relative; overflow: hidden;
  padding: 4.5rem 0 5rem;
  /* trama de plano */
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px, 32px 32px;
  background-color: var(--navy);
}
/* Héroe con foto de obra de fondo (home) */
.heroe.con-foto {
  background:
    linear-gradient(115deg, rgba(18,42,97,0.94) 0%, rgba(18,42,97,0.80) 55%, rgba(18,42,97,0.55) 100%),
    url('../img/obras/fachadas-05.jpg');
  background-size: cover;
  background-position: center;
}
/* Cabeceras interiores con foto (velo más fuerte: son más bajas) */
.heroe-min.con-foto { background-size: cover; background-position: center; }
.heroe-min.bg-servicios {
  background: linear-gradient(115deg, rgba(18,42,97,0.95) 0%, rgba(18,42,97,0.86) 60%, rgba(18,42,97,0.68) 100%), url('../img/obras/banos-08.jpg');
  background-size: cover; background-position: center;
}
.heroe-min.bg-coordinacion {
  background: linear-gradient(115deg, rgba(18,42,97,0.95) 0%, rgba(18,42,97,0.86) 60%, rgba(18,42,97,0.68) 100%), url('../img/obras/fachadas-06.jpg');
  background-size: cover; background-position: center;
}
.heroe-min.bg-trabajos {
  background: linear-gradient(115deg, rgba(18,42,97,0.95) 0%, rgba(18,42,97,0.86) 60%, rgba(18,42,97,0.68) 100%), url('../img/obras/banos-01.jpg');
  background-size: cover; background-position: center;
}
.heroe-min.bg-contacto {
  background: linear-gradient(115deg, rgba(18,42,97,0.95) 0%, rgba(18,42,97,0.86) 60%, rgba(18,42,97,0.68) 100%), url('../img/obras/tejados-06.jpg');
  background-size: cover; background-position: center;
}
.heroe .contenedor {
  display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 3rem;
  align-items: center; position: relative; z-index: 2;
}
.heroe-eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.78rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--dorado-cl); font-weight: 600; margin-bottom: 1.1rem;
}
.heroe-eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--dorado); }
.heroe h1 {
  color: #fff; font-size: clamp(2.4rem, 5.5vw, 4rem); font-weight: 700;
  margin-bottom: 1.1rem;
}
.heroe h1 em { font-style: normal; color: var(--dorado-cl); }
.heroe p.sub {
  font-size: 1.12rem; color: #C5CCE3; max-width: 34rem; margin-bottom: 2rem;
}
.heroe-logo {
  background: var(--papel); border-radius: 6px; padding: 1.4rem;
  justify-self: center; max-width: 300px; position: relative;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.heroe-logo::before, .heroe-logo::after {
  content: ""; position: absolute; width: 14px; height: 14px;
  border: 2px solid var(--dorado);
}
.heroe-logo::before { top: -7px; left: -7px; border-right: none; border-bottom: none; }
.heroe-logo::after { bottom: -7px; right: -7px; border-left: none; border-top: none; }

.heroe-min { padding: 3rem 0 3.2rem; }
.heroe-min .contenedor { grid-template-columns: 1fr; }

.acciones { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.boton {
  display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none;
  font-family: "Barlow Condensed", sans-serif; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; font-size: 1.05rem;
  padding: 0.85rem 1.6rem; border-radius: var(--r);
  transition: transform 0.15s, background 0.2s, box-shadow 0.15s; border: none; cursor: pointer;
}
.boton:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.18); }
.boton .ico { width: 20px; height: 20px; }
.boton.dorado { background: var(--dorado); color: var(--navy); }
.boton.dorado:hover { background: var(--dorado-cl); }
.boton.blanco { background: #fff; color: var(--navy); }
.boton.azul { background: var(--azul); color: #fff; }
.boton.azul:hover { background: var(--navy); }
.boton.whatsapp { background: var(--wa); color: #fff; }
.boton.whatsapp:hover { background: #1EBE5A; }
.boton.linea { background: transparent; border: 1.5px solid rgba(255,255,255,0.4); color: #fff; }
.boton.linea:hover { border-color: var(--dorado); color: var(--dorado-cl); }

/* ---- curso de ladrillo como separador / firma ---- */
.ladrillo-sep {
  height: 22px; background: var(--navy);
  -webkit-mask:
    repeating-linear-gradient(90deg, #000 0 60px, transparent 60px 66px) top/100% 9px,
    repeating-linear-gradient(90deg, transparent 0 30px, #000 30px 90px, transparent 90px 96px) bottom/100% 9px;
          mask:
    repeating-linear-gradient(90deg, #000 0 60px, transparent 60px 66px) top/100% 9px,
    repeating-linear-gradient(90deg, transparent 0 30px, #000 30px 90px, transparent 90px 96px) bottom/100% 9px;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
}
.ladrillo-sep.oro { background: var(--dorado); }

/* ============================================================
   SECCIONES
   ============================================================ */
.seccion { padding: 4.5rem 0; }
.seccion.oscura { background: var(--papel-2); }

.cab-seccion { max-width: 46rem; margin-bottom: 2.6rem; }
.cab-seccion .etiqueta {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.76rem; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--dorado); font-weight: 700; margin-bottom: 0.7rem;
}
.cab-seccion .etiqueta::before { content: ""; width: 28px; height: 1px; background: var(--dorado); }
.cab-seccion h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); font-weight: 700; margin-bottom: 0.5rem; }
.cab-seccion p { color: var(--tinta-suave); font-size: 1.05rem; }

/* ---- tarjetas ---- */
.rejilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1.25rem; }
.tarjeta {
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r);
  padding: 1.7rem 1.5rem; position: relative; transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.seccion.oscura .tarjeta { background: var(--blanco); }
.tarjeta:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(18,42,97,0.12); border-color: var(--dorado); }
.tarjeta .ico-caja {
  width: 54px; height: 54px; border-radius: var(--r);
  background: var(--navy); color: #fff;
  display: flex; align-items: center; justify-content: center; margin-bottom: 1.1rem;
}
.tarjeta.oro .ico-caja { background: var(--dorado); color: var(--navy); }
.tarjeta h3 { font-size: 1.32rem; font-weight: 700; margin-bottom: 0.45rem; }
.tarjeta p { color: var(--tinta-suave); font-size: 0.97rem; }
.tarjeta ul { margin: 0.5rem 0 0 0; list-style: none; }
.tarjeta ul li { position: relative; padding-left: 1.25rem; color: var(--tinta-suave); font-size: 0.96rem; margin-bottom: 0.32rem; }
.tarjeta ul li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 9px; height: 9px; background: var(--dorado); transform: rotate(45deg);
}
.tarjeta .enlace {
  display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 0.9rem;
  font-family: "Barlow Condensed", sans-serif; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; text-decoration: none; color: var(--azul); font-size: 1rem;
}
.tarjeta .enlace .ico { width: 18px; height: 18px; }
.tarjeta .enlace:hover { color: var(--dorado); }

/* ---- franja CTA ---- */
.franja {
  background: var(--navy); color: #fff; padding: 3.2rem 0; position: relative; overflow: hidden;
}
.franja::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
.franja .contenedor {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1.5rem; position: relative; z-index: 2;
}
.franja h2 { color: #fff; font-size: 2rem; font-weight: 700; }
.franja p { color: #C5CCE3; }

/* ---- proceso con líneas de cota ---- */
.proceso { display: grid; gap: 0; counter-reset: paso; }
.paso { display: grid; grid-template-columns: 70px 1fr; gap: 1.4rem; padding: 1.5rem 0; border-bottom: 1px dashed var(--linea); }
.paso:last-child { border-bottom: none; }
.paso .num {
  counter-increment: paso; width: 56px; height: 56px; border-radius: var(--r);
  background: var(--papel); border: 2px solid var(--dorado); color: var(--navy);
  font-family: "Barlow Condensed", sans-serif; font-weight: 700; font-size: 1.7rem;
  display: flex; align-items: center; justify-content: center;
}
.seccion.oscura .paso .num { background: #fff; }
.paso .num::before { content: "0" counter(paso); }
.paso h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.25rem; }
.paso p { color: var(--tinta-suave); font-size: 1rem; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
.dato {
  display: flex; gap: 1rem; align-items: flex-start; background: var(--blanco);
  border: 1px solid var(--linea); border-radius: var(--r); padding: 1.25rem 1.35rem; margin-bottom: 0.9rem;
}
.dato .ico-caja {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: var(--r);
  background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center;
}
.dato h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.1rem; }
.dato a { font-weight: 700; text-decoration: none; font-size: 1.1rem; color: var(--azul); }
.dato a:hover { color: var(--dorado); }
.dato p { color: var(--tinta-suave); font-size: 0.92rem; }

.formulario {
  background: var(--blanco); border: 1px solid var(--linea); border-top: 4px solid var(--dorado);
  border-radius: var(--r); padding: 2rem;
}
.formulario h2 { font-size: 1.7rem; font-weight: 700; margin-bottom: 0.2rem; }
.formulario > p { color: var(--tinta-suave); font-size: 0.93rem; margin-bottom: 0.4rem; }
.formulario label {
  display: block; font-family: "Barlow Condensed", sans-serif; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.92rem;
  margin: 1rem 0 0.3rem; color: var(--navy);
}
.formulario input, .formulario select, .formulario textarea {
  width: 100%; padding: 0.72rem 0.9rem; border: 1.5px solid var(--linea);
  border-radius: var(--r); font-family: inherit; font-size: 0.96rem; background: var(--papel);
}
.formulario input:focus, .formulario select:focus, .formulario textarea:focus {
  outline: none; border-color: var(--dorado); box-shadow: 0 0 0 3px rgba(196,154,46,0.18);
}
.formulario button { margin-top: 1.4rem; width: 100%; justify-content: center; }

/* ============================================================
   PIE
   ============================================================ */
.pie { background: var(--navy); color: #C5CCE3; padding: 3rem 0 1.4rem; }
.pie .contenedor { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2rem; }
.pie img.logo-pie { height: 66px; background: var(--papel); border-radius: var(--r); padding: 6px; margin-bottom: 0.8rem; }
.pie h4 { color: #fff; margin-bottom: 0.8rem; font-size: 1.15rem; font-weight: 700; }
.pie a { color: #C5CCE3; text-decoration: none; }
.pie a:hover { color: var(--dorado-cl); }
.pie ul { list-style: none; }
.pie ul li { margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.pie ul li .ico { width: 17px; height: 17px; color: var(--dorado-cl); flex-shrink: 0; }
.pie .legal {
  grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,0.14);
  margin-top: 1.4rem; padding-top: 1.2rem; font-size: 0.85rem; text-align: center;
}

/* ---- WhatsApp flotante ---- */
.wa-flota {
  position: fixed; bottom: 22px; right: 22px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%; background: var(--wa);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 22px rgba(0,0,0,0.3); transition: transform 0.15s;
}
.wa-flota:hover { transform: scale(1.08); }
.wa-flota svg { width: 34px; height: 34px; fill: #fff; }
.wa-flota .burbuja {
  position: absolute; right: 70px; background: #fff; color: var(--tinta);
  font-size: 0.85rem; font-weight: 600; white-space: nowrap;
  padding: 0.45rem 0.9rem; border-radius: 999px; box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.wa-flota:hover .burbuja { opacity: 1; }

/* ---- reveal al hacer scroll (solo si hay JS) ---- */
body.js-reveal .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s, transform 0.6s; }
body.js-reveal .reveal.visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 880px) {
  .heroe .contenedor { grid-template-columns: 1fr; }
  .heroe-logo { max-width: 220px; }
  .contacto-grid { grid-template-columns: 1fr; }
  .pie .contenedor { grid-template-columns: 1fr; }
  .menu-toggle { display: flex; }
  nav.menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--papel); flex-direction: column; align-items: stretch;
    padding: 0.7rem; border-bottom: 4px solid var(--dorado); box-shadow: 0 12px 22px rgba(0,0,0,0.12);
  }
  nav.menu.abierto { display: flex; }
  nav.menu a.activo::after { display: none; }
  nav.menu a.activo { border-left: 3px solid var(--dorado); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   GALERÍA DE TRABAJOS
   ============================================================ */
.filtros { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.filtro {
  font-family: "Barlow Condensed", sans-serif; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; font-size: 0.95rem; padding: 0.5rem 1.1rem; cursor: pointer;
  background: transparent; color: var(--navy); border: 1.5px solid var(--linea); border-radius: var(--r);
  transition: all 0.18s;
}
.filtro:hover { border-color: var(--dorado); color: var(--dorado); }
.filtro.activo { background: var(--navy); color: #fff; border-color: var(--navy); }

.galeria {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.85rem; grid-auto-flow: dense;
}
.obra {
  position: relative; overflow: hidden; border-radius: var(--r); cursor: pointer;
  aspect-ratio: 4 / 3; background: var(--papel-2); border: 1px solid var(--linea);
}
.obra img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; display: block; }
.obra:hover img { transform: scale(1.06); }
.obra .cap {
  position: absolute; inset: auto 0 0 0; padding: 1.4rem 0.9rem 0.7rem;
  background: linear-gradient(transparent, rgba(18,42,97,0.85));
  color: #fff; font-family: "Barlow Condensed", sans-serif; font-weight: 600;
  font-size: 1.02rem; text-transform: uppercase; letter-spacing: 0.02em;
  opacity: 0; transform: translateY(8px); transition: opacity 0.25s, transform 0.25s;
}
.obra:hover .cap { opacity: 1; transform: none; }
.obra .tag {
  position: absolute; top: 0.6rem; left: 0.6rem; background: var(--dorado); color: var(--navy);
  font-family: "Barlow Condensed", sans-serif; font-weight: 700; text-transform: uppercase;
  font-size: 0.72rem; letter-spacing: 0.08em; padding: 0.2rem 0.55rem; border-radius: 3px;
}
.obra.oculta { display: none; }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 300; background: rgba(10,16,34,0.94);
  display: none; align-items: center; justify-content: center; padding: 2rem;
}
.lightbox.abierto { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: var(--r); box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.lightbox .lb-cerrar, .lightbox .lb-nav {
  position: absolute; background: rgba(255,255,255,0.12); color: #fff; border: none;
  width: 50px; height: 50px; border-radius: 50%; cursor: pointer; font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center; transition: background 0.18s;
}
.lightbox .lb-cerrar:hover, .lightbox .lb-nav:hover { background: var(--dorado); color: var(--navy); }
.lightbox .lb-cerrar { top: 1.2rem; right: 1.2rem; }
.lightbox .lb-prev { left: 1.2rem; top: 50%; transform: translateY(-50%); }
.lightbox .lb-next { right: 1.2rem; top: 50%; transform: translateY(-50%); }
.lightbox .lb-cap {
  position: absolute; bottom: 1.4rem; left: 0; right: 0; text-align: center; color: #fff;
  font-family: "Barlow Condensed", sans-serif; font-size: 1.1rem; text-transform: uppercase; letter-spacing: 0.04em;
}

@media (max-width: 600px) {
  .lightbox .lb-prev { left: 0.4rem; } .lightbox .lb-next { right: 0.4rem; }
  .galeria { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

/* ---- tarjetas de gremio con FOTO VISIBLE arriba ---- */
.tarjeta.foto-top { padding: 0; overflow: hidden; }
.tarjeta.foto-top .foto-cab {
  height: 160px; background-size: cover; background-position: center;
  border-bottom: 3px solid var(--dorado);
}
.tarjeta.foto-top .foto-body { padding: 1.5rem; }
.tarjeta.foto-top .foto-body .ico-caja { margin-top: -52px; position: relative; box-shadow: 0 6px 16px rgba(11,22,52,0.35); }
.tarjeta.foto-top:hover .foto-cab { transform: none; }

/* ---- documentos legales ---- */
.legal-doc { max-width: 820px; }
.legal-doc h2 { font-size: 1.35rem; margin: 2rem 0 0.6rem; }
.legal-doc h2:first-child { margin-top: 0; }
.legal-doc p { margin-bottom: 0.9rem; color: var(--tinta); }
.legal-doc a { color: var(--azul); }
/* enlaces legales del pie */
.pie .legal .legal-links { margin-top: 0.6rem; }
.pie .legal .legal-links a { color: #C5CCE3; margin: 0 0.5rem; text-decoration: none; }
.pie .legal .legal-links a:hover { color: var(--dorado-cl); }