:root {
    --color-primario: #D21F3C; /* Rojo frambuesa */
    --color-secundario: #E8DCC8; /* Beige arena */
    --color-acento: #7FFFD4; /* Aguamarina */
    --color-fondo: #FFFFFF; /* Blanco */
    --color-texto: #333333;
    --color-texto-claro: #666666;
    --fuente-titulos: 'Poppins', sans-serif;
    --fuente-textos: 'Lora', serif;
    --sombra: 0 4px 6px rgba(0, 0, 0, 0.1);
    --sombra-hover: 0 8px 15px rgba(0, 0, 0, 0.2);
    --transicion: all 0.3s ease;
    --radio-borde: 8px;
}

/* Reset y Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--fuente-textos); color: var(--color-texto); background-color: var(--color-fondo); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
h1, h2, h3, h4, h5, h6 { font-family: var(--fuente-titulos); color: var(--color-primario); }
a { text-decoration: none; color: inherit; transition: var(--transicion); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* Accesibilidad */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }
.skip-link { position: absolute; top: -40px; left: 0; background: var(--color-primario); color: var(--color-fondo); padding: 8px; z-index: 10000; }
.skip-link:focus { top: 0; }
:focus-visible { outline: 3px solid var(--color-acento); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) { * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } }

/* Encabezado y Navegación */
header { background-color: var(--color-primario); color: var(--color-fondo); position: sticky; top: 0; z-index: 1000; box-shadow: var(--sombra); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 1rem; display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--fuente-titulos); font-size: 1.5rem; font-weight: bold; color: var(--color-fondo); display: flex; align-items: center; gap: 10px; }
.logo img { height: 60px; width: auto; object-fit: contain; } /* Logo un poco más grande */
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a { color: var(--color-fondo); font-family: var(--fuente-titulos); font-weight: 500; padding: 0.5rem; border-radius: var(--radio-borde); }
.nav-links a:hover, .nav-links a.active { color: var(--color-acento); }
.menu-toggle { display: none; background: none; border: none; color: var(--color-fondo); font-size: 1.5rem; cursor: pointer; }

/* Botones */
.btn { display: inline-block; padding: 0.8rem 1.5rem; font-family: var(--fuente-titulos); font-weight: 600; border-radius: var(--radio-borde); text-align: center; cursor: pointer; border: none; }
.btn-primario { background-color: var(--color-acento); color: var(--color-primario); }
.btn-primario:hover { background-color: #5ce0b5; transform: translateY(-2px); }
.btn-secundario { background-color: var(--color-secundario); color: var(--color-primario); }
.btn-secundario:hover { background-color: #d1c5b0; transform: translateY(-2px); }

/* Secciones Principales */
main { flex: 1; }
.container { max-width: 1200px; margin: 0 auto; padding: 3rem 1rem; }
.seccion-alterna { background-color: var(--color-secundario); }

/* =========================================
   NUEVO ENCABEZADO (HERO CARRUSEL BANNERS)
========================================= */
.hero { position: relative; height: 60vh; min-height: 400px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--color-fondo); overflow: hidden; background-color: #1a1a1a; }

/* Contenedor que hace el efecto de sobresalto (zoom) */
.hero-imagenes { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; transition: transform 0.6s ease; }

/* Efecto de sobresalto al poner el cursor en la sección */
.hero:hover .hero-imagenes { transform: scale(1.05); }

/* Las imágenes rotativas */
.hero-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0; transition: opacity 1.5s ease-in-out; }
.hero-img.activa { opacity: 1; }

/* Capa transparente oscura para que se lea el texto (Quitamos el rojo/naranja) */
.hero-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.5); z-index: 1; } 

.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 2rem; }
.hero h1 { color: var(--color-fondo); font-size: 3rem; margin-bottom: 1rem; text-shadow: 2px 2px 4px rgba(0,0,0,0.6); }
.hero p { font-size: 1.2rem; margin-bottom: 2rem; text-shadow: 1px 1px 3px rgba(0,0,0,0.6); }
.hero-botones { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Carrusel de Instalaciones (El de abajo) */
.carrusel-seccion { width: 100%; max-width: 1200px; margin: 3rem auto; padding: 0 1rem; }
.carrusel-contenedor { position: relative; overflow: hidden; border-radius: var(--radio-borde); box-shadow: var(--sombra); aspect-ratio: 16 / 7; background-color: var(--color-secundario); }
.carrusel-slides { display: flex; height: 100%; transition: transform 0.8s ease-in-out; }
.carrusel-slide { min-width: 100%; height: 100%; }
.carrusel-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.carrusel-indicadores { position: absolute; bottom: 15px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 10; }
.indicador { width: 12px; height: 12px; border-radius: 50%; background-color: rgba(255, 255, 255, 0.5); cursor: pointer; transition: background-color 0.3s, transform 0.3s; box-shadow: 0 2px 4px rgba(0,0,0,0.3); }
.indicador:hover { transform: scale(1.2); }
.indicador.activo { background-color: var(--color-acento); }

/* Tarjetas */
.grid-tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2rem; margin-top: 2rem; }
.tarjeta { background: var(--color-fondo); border-radius: var(--radio-borde); box-shadow: var(--sombra); overflow: hidden; transition: var(--transicion); display: flex; flex-direction: column; }
.tarjeta:hover { transform: translateY(-5px); box-shadow: var(--sombra-hover); }
.tarjeta-contenido { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.tarjeta-contenido h3 { margin-bottom: 0.5rem; font-size: 1.2rem; }
.tarjeta-contenido p { color: var(--color-texto-claro); margin-bottom: 1rem; flex: 1; font-size: 0.95rem; }
.categoria-badge { display: inline-block; background: var(--color-secundario); color: var(--color-primario); font-size: 0.8rem; padding: 0.2rem 0.5rem; border-radius: 4px; margin-bottom: 0.5rem; font-family: var(--fuente-titulos); }
.producto-imagen { width: 100%; height: 220px; display: flex; align-items: center; justify-content: center; overflow: hidden; background-color: #FFFFFF; border-bottom: 1px solid #eee; }
.producto-imagen img { width: 100%; height: 100%; object-fit: contain; object-position: center; padding: 1rem; }

/* Filtros */
.filtros { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-bottom: 2rem; }
.btn-filtro { background: var(--color-fondo); border: 2px solid var(--color-primario); color: var(--color-primario); padding: 0.5rem 1rem; border-radius: 20px; cursor: pointer; font-family: var(--fuente-titulos); transition: var(--transicion); }
.btn-filtro.activo, .btn-filtro:hover { background: var(--color-primario); color: var(--color-fondo); }

/* Galería y Lightbox */
.galeria-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.galeria-item { cursor: pointer; border-radius: var(--radio-borde); overflow: hidden; height: 200px; }
.galeria-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transicion); }
.galeria-item:hover img { transform: scale(1.05); }
.lightbox { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.9); display: flex; align-items: center; justify-content: center; z-index: 2000; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.lightbox.activo { opacity: 1; pointer-events: auto; }
.lightbox-img { max-width: 90%; max-height: 80vh; object-fit: contain; }
.lightbox-btn { position: absolute; background: none; border: none; color: white; font-size: 2rem; cursor: pointer; padding: 1rem; z-index: 2001; }
.lightbox-cerrar { top: 10px; right: 20px; }
.lightbox-prev { left: 10px; }
.lightbox-next { right: 10px; }

/* Formularios y Mapa */
.contacto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.formulario-grupo { margin-bottom: 1.5rem; }
.formulario-grupo label { display: block; margin-bottom: 0.5rem; font-weight: bold; }
.formulario-grupo input, .formulario-grupo textarea { width: 100%; padding: 0.8rem; border: 1px solid #ccc; border-radius: var(--radio-borde); font-family: inherit; font-size: 1rem; }
.formulario-grupo input:focus, .formulario-grupo textarea:focus { outline: 2px solid var(--color-primario); border-color: var(--color-primario); }
.mensaje-error { color: #d32f2f; font-size: 0.9rem; margin-top: 0.3rem; display: none; }
.mapa-contenedor { width: 100%; height: 400px; border-radius: var(--radio-borde); overflow: hidden; box-shadow: var(--sombra); border: 2px solid var(--color-secundario); background: #eee; }

/* WhatsApp */
.whatsapp-flotante { position: fixed; bottom: 20px; right: 20px; background-color: #25D366; color: white; width: 60px; height: 60px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 35px; box-shadow: var(--sombra-hover); z-index: 1000; transition: var(--transicion); }
.whatsapp-flotante:hover { transform: scale(1.1); background-color: #128C7E; color: white; }

/* Footer */
footer { background-color: var(--color-primario); color: var(--color-fondo); padding: 3rem 1rem 1rem; margin-top: auto; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-col h4 { color: var(--color-acento); margin-bottom: 1rem; }
.redes-sociales { display: flex; gap: 1rem; margin-top: 1rem; }
.redes-sociales a { display: block; width: 32px; height: 32px; fill: var(--color-fondo); transition: var(--transicion); }
.redes-sociales a:hover { fill: var(--color-acento); transform: translateY(-3px); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; }

/* Animación Fade In */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) { .contacto-grid { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links { position: absolute; top: 100%; left: 0; right: 0; background: var(--color-primario); flex-direction: column; padding: 1rem; gap: 0; box-shadow: 0 4px 6px rgba(0,0,0,0.1); clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transition: clip-path 0.3s ease-in-out; }
    .nav-links.activo { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
    .nav-links a { display: block; padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
    .hero h1 { font-size: 2rem; }
    .producto-imagen { height: 180px; }
    .carrusel-contenedor { aspect-ratio: 4 / 3; }
}
@media (max-width: 480px) { .hero-botones { flex-direction: column; width: 100%; } .btn { width: 100%; } .galeria-grid { grid-template-columns: 1fr; } }