/* ========================================
   SECCIONES CSS - GORSE CORPORATIVO
   Estilos específicos para cada sección del sitio
   ========================================= */

/* ========== HEADER Y NAVEGACIÓN ========== */
.header {
    background: white;
    box-shadow: var(--sombra-suave);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    transition: all var(--transicion-media);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--sombra-media);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
    min-height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    font-size: var(--texto-xl);
    font-weight: var(--peso-extrabold);
    color: var(--color-primario);
    text-decoration: none;
    transition: transform var(--transicion-media);
}

.logo:hover {
    transform: scale(1.05);
}

.logo i {
    margin-right: var(--space-2);
    font-size: var(--texto-2xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-2);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--color-texto);
    text-decoration: none;
    font-weight: var(--peso-medium);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radio-md);
    transition: all var(--transicion-rapida);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primario);
    transition: all var(--transicion-media);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--color-primario);
    background: rgba(196, 30, 58, 0.05);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link.active {
    color: var(--color-primario);
    font-weight: var(--peso-semibold);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--texto-2xl);
    color: var(--color-primario);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radio-md);
    transition: background var(--transicion-rapida);
}

.menu-toggle:hover {
    background: rgba(196, 30, 58, 0.1);
}

/* ========== HERO SECTION ========== */
.hero {
    background: linear-gradient(135deg, 
        rgba(196, 30, 58, 0.9), 
        rgba(44, 62, 80, 0.8)), 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="construction" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><rect width="100" height="100" fill="%23f8f9fa"/><circle cx="50" cy="50" r="2" fill="%23dee2e6"/></pattern></defs><rect width="100%" height="100%" fill="url(%23construction)"/></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: calc(var(--header-height) + 40px) 0 var(--espaciado-seccion);
    min-height: var(--hero-min-height);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
}

.hero .contenedor {
    position: relative;
    z-index: 2;
}

.hero-contenido {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-texto h1 {
    font-size: var(--texto-6xl);
    font-weight: var(--peso-extrabold);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-6);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-texto .subtitulo {
    font-size: var(--texto-xl);
    margin-bottom: var(--space-8);
    opacity: 0.95;
    line-height: var(--leading-relaxed);
}

.hero-acciones {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radio-2xl);
    padding: var(--space-8);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform var(--transicion-media);
}

.hero-card:hover {
    transform: translateY(-10px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-16);
}

.stat-item {
    text-align: center;
}

.stat-numero {
    font-size: var(--texto-5xl);
    font-weight: var(--peso-extrabold);
    color: var(--color-accent);
    display: block;
    margin-bottom: var(--space-2);
}

.stat-texto {
    font-size: var(--texto-base);
    opacity: 0.9;
}

/* ========== SECCIÓN NOSOTROS ========== */
.nosotros-contenido {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.timeline-container {
    position: relative;
}

.timeline-item {
    background: white;
    border-radius: var(--radio-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    box-shadow: var(--sombra-suave);
    border-left: 4px solid var(--color-primario);
    transition: all var(--transicion-media);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--color-primario);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--color-primario-light);
}

.timeline-item:hover {
    transform: translateX(10px);
    box-shadow: var(--sombra-media);
}

.timeline-año {
    font-weight: var(--peso-bold);
    color: var(--color-primario);
    font-size: var(--texto-xl);
    margin-bottom: var(--space-2);
}

.timeline-item h4 {
    margin-bottom: var(--space-2);
    color: var(--color-texto);
}

.timeline-item p {
    color: var(--color-texto-light);
    margin: 0;
}

.valores-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.valor-item {
    background: white;
    padding: var(--space-6);
    border-radius: var(--radio-lg);
    box-shadow: var(--sombra-suave);
    text-align: center;
    transition: all var(--transicion-media);
    border: 1px solid var(--color-borde-light);
}

.valor-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
    border-color: var(--color-primario);
}

.valor-icon {
    font-size: var(--texto-5xl);
    margin-bottom: var(--space-4);
}

.valor-item h4 {
    color: var(--color-primario);
    margin-bottom: var(--space-2);
}

.valor-item p {
    color: var(--color-texto-light);
    margin: 0;
}

/* ========== SECCIÓN SERVICIOS ========== */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

.servicio-card {
    background: white;
    border-radius: var(--radio-xl);
    padding: var(--space-8);
    box-shadow: var(--sombra-suave);
    transition: all var(--transicion-media);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradiente-primario);
    transform: scaleX(0);
    transition: transform var(--transicion-media);
}

.servicio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-fuerte);
    border-color: var(--color-primario);
}

.servicio-card:hover::before {
    transform: scaleX(1);
}

.servicio-icon {
    width: 80px;
    height: 80px;
    background: var(--gradiente-primario);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--texto-4xl);
    color: white;
    margin-bottom: var(--space-6);
    transition: transform var(--transicion-media);
}

.servicio-card:hover .servicio-icon {
    transform: scale(1.1) rotate(5deg);
}

.servicio-titulo {
    font-size: var(--texto-2xl);
    font-weight: var(--peso-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-texto);
}

.servicio-descripcion {
    color: var(--color-texto-light);
    margin-bottom: var(--space-6);
    line-height: var(--leading-relaxed);
}

.servicio-caracteristicas {
    list-style: none;
    padding: 0;
}

.servicio-caracteristicas li {
    padding: var(--space-2) 0;
    color: var(--color-texto-light);
    display: flex;
    align-items: center;
}

.servicio-caracteristicas li::before {
    content: "✓";
    color: var(--color-primario);
    font-weight: var(--peso-bold);
    margin-right: var(--space-3);
    font-size: var(--texto-lg);
}

/* ========================================
   SECCIÓN EXPERIENCIA POR CATEGORÍAS
   ======================================== */

/* Contador de resultados */
.experiencia-contador {
    text-align: center;
    padding: 1.5rem;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.experiencia-contador strong {
    color: var(--color-primario);
    font-size: 1.3rem;
}

/* Filtros mejorados */
.experiencia-filtros {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.filtro-btn {
    background: white;
    border: 2px solid #e0e0e0;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
    color: #555;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filtro-btn:hover {
    background: #f8f8f8;
    border-color: var(--color-primario);
    transform: translateY(-2px);
}

.filtro-btn.activo {
    background: var(--color-primario);
    color: white;
    border-color: var(--color-primario);
    box-shadow: 0 4px 15px rgba(196, 30, 58, 0.3);
}

/* Grid de categorías */
.galeria-proyectos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Cards de categoría */
.categoria-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

.categoria-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.categoria-card:nth-child(1) { animation-delay: 0.1s; }
.categoria-card:nth-child(2) { animation-delay: 0.2s; }
.categoria-card:nth-child(3) { animation-delay: 0.3s; }
.categoria-card:nth-child(4) { animation-delay: 0.4s; }
.categoria-card:nth-child(5) { animation-delay: 0.5s; }
.categoria-card:nth-child(6) { animation-delay: 0.6s; }
.categoria-card:nth-child(7) { animation-delay: 0.7s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Imagen de categoría */
.categoria-imagen {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.categoria-imagen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
}

.categoria-imagen i {
    font-size: 5rem;
    color: white;
    opacity: 0.3;
    z-index: 0;
}

/* Badge de especialidad */
.categoria-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primario);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 700;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

/* Colores por categoría */
.categoria-electricas {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.categoria-seguridad {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.categoria-plantas {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
}

.categoria-redes {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.categoria-refrigeracion {
    background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
}

.categoria-hidraulica {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
}

/* Información de categoría */
.categoria-info {
    padding: 1.5rem;
}

.categoria-titulo {
    font-size: 1.5rem;
    color: var(--color-primario);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.categoria-descripcion {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Tags */
.categoria-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: #f0f0f0;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    color: #555;
}

/* Botón ver galería */
.btn-ver-galeria {
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
}

/* Estado vacío */
.experiencia-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: #999;
}

.experiencia-empty i {
    font-size: 5rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

/* ========== SECCIÓN CLIENTES ========== */
.clientes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    align-items: center;
}

.cliente-logo {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radio-lg);
    box-shadow: var(--sombra-suave);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    transition: all var(--transicion-media);
    text-align: center;
    border: 1px solid var(--color-borde-light);
}

.cliente-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
    border-color: var(--color-primario);
}

/* ========== SECCIÓN INNOVACIÓN ========== */
.innovacion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.innovacion-card {
    background: linear-gradient(135deg, white, var(--color-fondo-gris-light));
    padding: var(--space-8);
    border-radius: var(--radio-2xl);
    box-shadow: var(--sombra-media);
    text-align: center;
    border: 1px solid var(--color-borde);
    transition: all var(--transicion-media);
    position: relative;
    overflow: hidden;
}

.innovacion-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transicion-lenta);
}

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

.innovacion-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-fuerte);
    border-color: var(--color-primario);
}

.innovacion-icon {
    font-size: var(--texto-6xl);
    margin-bottom: var(--space-6);
}

.innovacion-titulo {
    font-size: var(--texto-2xl);
    font-weight: var(--peso-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-texto);
}

.innovacion-descripcion {
    color: var(--color-texto-light);
    margin-bottom: var(--space-6);
    line-height: var(--leading-relaxed);
}

/* ========== SECCIÓN CONTACTO ========== */
.contacto-contenido {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-16);
}

.contacto-info h3 {
    color: var(--color-primario);
    margin-bottom: var(--space-6);
    font-size: var(--texto-3xl);
}

.contacto-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-5);
    background: white;
    border-radius: var(--radio-lg);
    box-shadow: var(--sombra-suave);
    transition: all var(--transicion-media);
}

.contacto-item:hover {
    transform: translateX(5px);
    box-shadow: var(--sombra-media);
}

.contacto-item i {
    font-size: var(--texto-2xl);
    color: var(--color-primario);
    min-width: 30px;
}

.contacto-formulario {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radio-xl);
    box-shadow: var(--sombra-media);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--color-secundario);
    color: var(--footer-text);
    padding: var(--space-16) 0 var(--space-4);
}

.footer-contenido {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-8);
}

.footer-seccion h4 {
    color: var(--footer-accent);
    margin-bottom: var(--space-4);
    font-size: var(--texto-xl);
}

.footer-seccion p {
    line-height: var(--leading-relaxed);
    color: var(--footer-text);
}

.footer-seccion ul {
    list-style: none;
    padding: 0;
}

.footer-seccion li {
    margin-bottom: var(--space-3);
}

.footer-seccion a {
    color: var(--footer-text);
    text-decoration: none;
    transition: color var(--transicion-rapida);
    display: inline-block;
}

.footer-seccion a:hover {
    color: white;
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--color-primario);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transicion-media);
}

.social-link:hover {
    transform: translateY(-3px);
    background: var(--color-primario-light);
    box-shadow: var(--sombra-primario);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-6);
    text-align: center;
    color: var(--footer-text);
    font-size: var(--texto-sm);
}

/* ========== TÍTULOS DE SECCIÓN ========== */
.titulo-seccion {
    font-size: var(--texto-5xl);
    font-weight: var(--peso-bold);
    color: var(--color-primario);
    margin-bottom: var(--space-4);
    position: relative;
    display: inline-block;
}

.titulo-seccion::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradiente-accent);
    border-radius: var(--radio-sm);
}

.texto-centrado .titulo-seccion::after {
    left: 50%;
    transform: translateX(-50%);
}

.subtitulo-seccion {
    font-size: var(--texto-xl);
    color: var(--color-texto-light);
    margin-bottom: var(--space-12);
    max-width: 600px;
    line-height: var(--leading-relaxed);
}

.texto-centrado .subtitulo-seccion {
    margin-left: auto;
    margin-right: auto;
}

/* ========== RESPONSIVE - EXPERIENCIA ========== */
@media (max-width: 768px) {
    .galeria-proyectos {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
    
    .experiencia-filtros {
        flex-direction: column;
    }
    
    .filtro-btn {
        width: 100%;
        justify-content: center;
    }
    
    .experiencia-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .categoria-imagen {
        height: 200px;
    }
    
    .categoria-imagen i {
        font-size: 3rem;
    }
}