*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --verde:   #108148;
  --verde-l: #dfffef;
  --verde-d: #026634;
  --gris:   #F8F9FA;
  --gris2:  #F1F3F5;
  --borde:  #E5E7EB;
  --texto:  #111827;
  --muted:  #6B7280;
  --blanco: #FFFFFF;
  --r:      8px;
  --r-lg:   16px;
  --font:   'Outfit', sans-serif;
}
html { scroll-behavior: smooth; }

body { 
  font-family: var(--font); 
  background: var(--blanco); 
  color: var(--texto); 
  line-height: 1.6; 
  overflow-x: hidden; 
  
  /* NUEVO FONDO: Fotografía hiperrealista como marca de agua */
  background-image: 
    /* Capa 1: Un "cristal" blanco al 94% de opacidad para tapar casi toda la foto */
    linear-gradient(rgba(255, 255, 255, 0.80), rgba(255, 255, 255, 0.80)),
    /* Capa 2: Foto real de estructuras de aluminio/arquitectura */
    url("https://images.unsplash.com/photo-1572468732928-3de287049853?q=80&w=1170&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D");
  
  background-size: cover; /* Para que la foto ocupe siempre toda la pantalla */
  background-position: center; 
  background-attachment: fixed; /* El efecto Parallax */
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-size: 15px; font-weight: 600;
  padding: 13px 28px; border-radius: var(--r);
  cursor: pointer; border: none; transition: all .2s;
}
.btn-blue  { background: var(--verde); color: #fff; }
.btn-blue:hover { background: var(--verde-d); }
.btn-ghost { background: transparent; color: var(--verde); border: 1.5px solid var(--verde); }
.btn-ghost:hover { background: var(--verde-l); }

/* NAV */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.94); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde);
  height: 60px; display: flex; align-items: center;
}
.nav-inner {
  width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { font-size: 18px; font-weight: 700; }
.nav-logo .dot { color: var(--verde); }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--texto); }
.nav-btn { padding: 9px 20px; font-size: 14px; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--texto); transition: all .3s; border-radius: 2px; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; inset: 60px 0 0 0; background: #fff; z-index: 99; flex-direction: column; align-items: center; justify-content: center; gap: 32px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 20px; font-weight: 600; color: var(--texto); }

/* --- SELECTOR DE IDIOMA (Ordenador) --- */
.lang-menu { position: relative; }

/* El botón principal con los iconos */
.lang-btn { 
  display: flex; align-items: center; gap: 4px; 
  background: none; border: none; font-family: var(--font); 
  font-size: 14px; font-weight: 600; color: var(--muted); 
  cursor: pointer; padding: 4px 0; transition: color .2s;
}
.lang-btn:hover { color: var(--texto); }

/* Animación de la flechita al pasar el ratón */
.lang-btn svg.chevron { transition: transform 0.3s; }
.lang-menu:hover .lang-btn svg.chevron { transform: rotate(180deg); }

/* La cajita desplegable */
.lang-dropdown {
  position: absolute; top: 100%; right: -10px; /* Lo alineamos a la derecha */
  background: var(--blanco); border: 1px solid var(--borde); 
  border-radius: var(--r); box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  display: flex; flex-direction: column; min-width: 120px;
  
  /* Aquí está el truco: lo ocultamos y lo bajamos un poco */
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1); z-index: 101;
  overflow: hidden;
}

/* Al poner el ratón encima del menú, el desplegable sube y aparece */
.lang-menu:hover .lang-dropdown {
  opacity: 1; visibility: visible; transform: translateY(8px);
}

/* Estilo de los idiomas dentro de la caja */
.lang-dropdown a { 
  padding: 10px 16px; font-size: 13px; font-weight: 500; color: var(--muted); 
  transition: all 0.2s; border-bottom: 1px solid var(--gris2);
}
.lang-dropdown a:last-child { border-bottom: none; }
.lang-dropdown a:hover { background: var(--gris); color: var(--verde); }
.lang-dropdown a.active { color: var(--texto); font-weight: 700; background: var(--verde-l); }

/* --- SELECTOR DE IDIOMA (Móvil) --- */
.mobile-lang { display: flex; gap: 12px; align-items: center; margin: -5px 0 10px 0; }
.mobile-lang a { font-size: 18px; color: var(--muted); font-weight: 600; }
.mobile-lang a.active { color: var(--verde); }
.mobile-lang span { color: var(--borde); }

/* Contenedor de acciones (Idioma + Botón) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px; /* Aquí controlas la distancia entre el idioma y el botón */
}

/* Ajuste de las banderas */
.flag {
  width: 22px;
  height: auto;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  display: inline-block;
  vertical-align: middle;
}

/* Ajuste del botón de idioma para que solo sea la bandera */
.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px;
  border-radius: var(--r);
  transition: background 0.2s;
}

.lang-btn:hover {
  background: var(--gris2);
}

/* Idiomas dentro del desplegable */
.lang-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Ocultar las acciones en móvil para que no se amontonen (se verán en el menú hamburguesa) */
@media (max-width: 900px) {
  .nav-actions { display: none; }
}

/* HERO */
#hero { 
  padding: 80px 0 60px; 
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
}
.hero-inner { 
  display: grid; 
  grid-template-columns: 1.1fr 1fr; 
  gap: 48px; 
  align-items: center; 
  min-height: 500px; 
}
.hero-text { padding-bottom: 0; z-index: 10; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--verde);
  background: var(--verde-l); 
  padding: 5px 12px; border-radius: 20px; margin-bottom: 24px;
}
.hero-badge span { width: 6px; height: 6px; background: var(--verde); border-radius: 50%; display: inline-block; }
.hero-text h1 { font-size: clamp(34px, 4.5vw, 56px); font-weight: 700; line-height: 1.15; margin-bottom: 18px; }
.hero-text h1 em { color: var(--verde); font-style: normal; }
.hero-text p { font-size: 17px; color: var(--muted); margin-bottom: 36px; max-width: 450px; line-height: 1.6; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }


/* DISEÑO BENTO BOX PARA EL HERO */
.hero-bento {
  display: grid;
  grid-template-columns: 1.2fr 1fr; 
  grid-template-rows: 1fr 1fr;
  gap: 16px;
  height: 500px;
  width: 100%;
}

.bento-item {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  background: var(--blanco);
  position: relative;
}

.bento-item img, .bento-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.bento-large { grid-column: 1; grid-row: 1 / span 2; }
.bento-top-right { grid-column: 2; grid-row: 1; }
.bento-bottom-right { grid-column: 2; grid-row: 2; }


/* SERVICIOS */
#servicios { padding: 56px 0; }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 28px; flex-wrap: wrap; gap: 12px; }
.sec-head h2 { font-size: 24px; font-weight: 700; }
.sec-head p { font-size: 15px; color: var(--muted); }
.servicios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.serv-card {
  background: var(--gris); border: 1px solid var(--borde); border-radius: var(--r-lg);
  padding: 22px 18px; transition: border-color .2s, box-shadow .2s;
}
.serv-card:hover { border-color: var(--verde); box-shadow: 0 0 0 3px var(--verde-l); }
.serv-icon { width: 42px; height: 42px; background: var(--verde-l); border-radius: var(--r); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.serv-icon svg { width: 20px; height: 20px; stroke: var(--verde); fill: none; stroke-width: 1.8; }
.serv-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.serv-card p { font-size: 13px; color: var(--muted); line-height: 1.5; }


/* SOBRE */
#sobre { padding: 64px 0; background: var(--texto); color: #fff; }
.sobre-inner { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: center; }
.sobre-foto img { width: 260px; height: 300px; object-fit: cover; object-position: top center; border-radius: var(--r-lg); }
.sobre-texto h2 { font-size: 26px; font-weight: 700; margin-bottom: 12px; }
.sobre-texto h2 em { color: var(--verde); font-style: normal; }
.sobre-texto p { color: rgba(255,255,255,.7); font-size: 15px; line-height: 1.7; }
.sobre-texto p + p { margin-top: 10px; }
.sobre-datos { display: flex; gap: 32px; margin-top: 28px; }
.sobre-dato strong { display: block; font-size: 28px; font-weight: 700; color: var(--verde); }
.sobre-dato span { font-size: 12px; color: rgba(255,255,255,.45); }


/* GALERÍA - NUEVO DISEÑO PESTAÑAS */
#galeria { padding: 56px 0; background: var(--gris); }
/* El gal-head ahora tiene una línea por debajo donde se apoyarán las pestañas */
.gal-head { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; border-bottom: 1px solid var(--borde); padding-bottom: 8px; }
.gal-head h2 { font-size: 24px; font-weight: 700; margin-bottom: 0; }

/* Contenedor de los filtros */
.filtros { display: flex; gap: 28px; overflow-x: auto; scrollbar-width: none; }
.filtros::-webkit-scrollbar { display: none; } /* Oculta el scroll en móvil si hay muchas pestañas */

/* Diseño de la pestaña limpia */
.filtro-btn {
  font-family: var(--font); font-size: 15px; font-weight: 600;
  background: transparent; color: var(--muted); border: none;
  cursor: pointer; padding: 0 0 10px 0; margin-bottom: -9px; /* Truco para que la línea pise el borde gris */
  position: relative; white-space: nowrap; transition: color .2s;
}

/* La línea azul animada por debajo */
.filtro-btn::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0%; height: 2px;
  background-color: var(--verde); transition: width 0.3s ease;
}

.filtro-btn:hover { color: var(--texto); }
.filtro-btn.active { color: var(--verde); }
.filtro-btn.active::after { width: 100%; }

/* Grid de fotos */
.gal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.gal-item { position: relative; overflow: hidden; border-radius: var(--r); cursor: pointer; background: var(--gris2); }
.gal-item img { width: 100%; aspect-ratio: 1/1; object-fit: cover; transition: transform .4s ease; display: block; }
.gal-item:hover img { transform: scale(1.06); }

/* Reflejo cristal en galería (El detalle que te gustó antes) */
.gal-item::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.25) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg); transition: left 0.6s ease; z-index: 1; pointer-events: none;
}
.gal-item:hover::after { left: 200%; }

/* Etiqueta oscura inferior */
.gal-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,.72), transparent);
  padding: 20px 10px 8px; font-size: 12px; font-weight: 600; color: #fff;
  opacity: 0; transition: opacity .3s; z-index: 2;
}
.gal-item:hover .gal-label { opacity: 1; }


/* LIGHTBOX */
#lightbox { display: none; position: fixed; inset: 0; z-index: 999; background: rgba(0,0,0,.93); align-items: center; justify-content: center; flex-direction: column; gap: 14px; }
#lightbox.open { display: flex; }
#lightbox img { max-width: 90vw; max-height: 80vh; object-fit: contain; border-radius: var(--r); }
.lb-caption { color: rgba(255,255,255,.7); font-size: 13px; }
#lb-close { position: absolute; top: 18px; right: 22px; background: none; border: none; color: #fff; font-size: 34px; cursor: pointer; line-height: 1; }
#lb-prev, #lb-next { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.12); border: none; color: #fff; font-size: 26px; padding: 10px 16px; cursor: pointer; border-radius: var(--r); transition: background .2s; }
#lb-prev:hover, #lb-next:hover { background: rgba(255,255,255,.22); }
#lb-prev { left: 14px; }
#lb-next { right: 14px; }


/* CONTACTO */
#contacto { padding: 64px 0; }
.contacto-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contacto-info h2 { font-size: 26px; font-weight: 700; margin-bottom: 6px; }
.contacto-info > p { color: var(--muted); margin-bottom: 28px; font-size: 15px; }
.dato { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.dato-icon { width: 40px; height: 40px; min-width: 40px; background: var(--verde-l); border-radius: var(--r); display: flex; align-items: center; justify-content: center; }
.dato-icon svg { width: 18px; height: 18px; stroke: var(--verde); fill: none; stroke-width: 1.8; }
.dato-text strong { display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.dato-text a, .dato-text span { font-size: 15px; color: var(--texto); transition: color .2s; }
.dato-text a:hover { color: var(--verde); }
.horario { margin-top: 24px; border: 1px solid var(--borde); border-radius: var(--r-lg); overflow: hidden; }
.horario-row { display: flex; justify-content: space-between; padding: 10px 16px; font-size: 14px; border-bottom: 1px solid var(--borde); }
.horario-row:last-child { border-bottom: none; }
.horario-row span:last-child { font-weight: 600; color: var(--verde); }

.contact-form { background: var(--gris); border: 1px solid var(--borde); border-radius: var(--r-lg); padding: 30px 26px; }
.contact-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 22px; }
.form-group { margin-bottom: 14px; }
label { display: block; font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
input, textarea {
  width: 100%; font-family: var(--font); font-size: 15px;
  background: var(--blanco); border: 1.5px solid var(--borde);
  border-radius: var(--r); padding: 11px 14px; color: var(--texto);
  outline: none; transition: border-color .2s;
}
input:focus, textarea:focus { border-color: var(--verde); }
textarea { resize: vertical; min-height: 100px; }
.contact-hint { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.contact-hint strong { color: var(--verde); }
.form-submit { width: 100%; justify-content: center; padding: 14px; font-size: 15px; }
#form-status { margin-top: 10px; font-size: 14px; text-align: center; min-height: 18px; }
#form-status.ok { color: #16a34a; }
#form-status.err { color: #dc2626; }

/* FOOTER */
footer { background: var(--gris); border-top: 1px solid var(--borde); padding: 24px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--muted); }
.footer-inner a { color: var(--muted); transition: color .2s; }
.footer-inner a:hover { color: var(--verde); }
.footer-links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }

/* WA FLOAT */
.wa-float { position: fixed; bottom: 24px; right: 24px; z-index: 90; width: 52px; height: 52px; background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(37,211,102,.35); transition: transform .2s; }
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 26px; height: 26px; fill: #fff; }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.vis { opacity: 1; transform: none; }

/* PÁGINAS LEGALES */
.legal-container { max-width: 800px; margin: 0 auto; padding: 60px 20px; }
.legal-container h1 { font-size: 32px; font-weight: 700; margin-bottom: 24px; }
.legal-container h2 { font-size: 20px; font-weight: 600; margin-top: 32px; margin-bottom: 12px; color: var(--verde); }
.legal-container p, .legal-container li { font-size: 16px; color: var(--muted); margin-bottom: 16px; }
.legal-container ul { padding-left: 20px; }
.data-box { background: var(--gris); border: 1px solid var(--borde); padding: 20px; border-radius: var(--r); list-style: none; margin-bottom: 24px; }
.data-box li { margin-bottom: 8px; color: var(--texto); font-size: 15px; }
.data-box strong { color: var(--muted); font-size: 12px; text-transform: uppercase; display: block; }
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 40px; color: var(--verde); text-decoration: none; font-weight: 600; font-size: 15px; transition: color 0.2s; }
.back-link:hover { color: var(--verde-d); }

/* OPINIONES */
#opiniones { padding: 64px 0; background: var(--blanco); }
.op-title { font-size: 26px; font-weight: 700; margin-bottom: 32px; text-align: center; }
.opiniones-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.opi-card { background: var(--gris); padding: 28px 24px; border-radius: var(--r-lg); border: 1px solid var(--borde); transition: border-color 0.2s; }
.opi-card:hover { border-color: var(--verde); }
.opi-stars { color: #F59E0B; font-size: 20px; margin-bottom: 12px; letter-spacing: 2px; }
.opi-text { font-style: italic; color: var(--muted); margin-bottom: 20px; font-size: 15px; line-height: 1.6; }
.opi-author { font-weight: 700; font-size: 14px; color: var(--texto); }

/* DETALLE: PLANO TÉCNICO EN SERVICIOS */
.serv-card {
  position: relative;
  overflow: hidden; 
}

.serv-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
  background-size: 15px 15px; 
  opacity: 0; 
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.serv-card:hover::before {
  opacity: 1; 
}

/* EFECTO PERSIANA EN MENÚ MÓVIL */
.mobile-menu { 
  display: flex; 
  position: fixed; inset: 60px 0 0 0; background: #fff; z-index: 99; 
  flex-direction: column; align-items: center; justify-content: center; gap: 32px;
  transform-origin: top;
  transform: scaleY(0);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.3s, visibility 0.4s;
}

.mobile-menu.open { 
  transform: scaleY(1);
  opacity: 1;
  visibility: visible;
}

/* Responsive Opiniones */
@media (max-width: 900px) {
  .opiniones-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .legal-container { padding: 40px 15px; }
  .legal-container h1 { font-size: 28px; }
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-text { padding-bottom: 0; }
  .hero-photos { border-radius: var(--r-lg); }
  .servicios-grid { grid-template-columns: 1fr 1fr; }
  .sobre-inner { grid-template-columns: 1fr; }
  .sobre-foto img { width: 100%; height: 220px; object-position: center 15%; }
  .gal-grid { grid-template-columns: repeat(3, 1fr); }
  .contacto-wrap { grid-template-columns: 1fr; gap: 32px; }
  .nav-links, .nav-btn { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 580px) {
  .servicios-grid { grid-template-columns: 1fr; }
  .gal-grid { grid-template-columns: repeat(2, 1fr); }
  .sobre-datos { gap: 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* Ajustes Bento Box para móvil */
@media (max-width: 900px) {
  .hero-bento { height: 400px; }
}

@media (max-width: 580px) {
  .hero-bento {
    /* En móvil pasamos a 2 columnas iguales y cambiamos el alto de las filas */
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 250px 150px;
    height: auto;
  }
  .bento-large {
    grid-column: 1 / span 2; /* El vídeo ahora ocupa todo el ancho arriba */
    grid-row: 1;
  }
  .bento-top-right {
    grid-column: 1;
    grid-row: 2;
  }
  .bento-bottom-right {
    grid-column: 2;
    grid-row: 2;
  }
}