/* ==========================================================
   1. PAGE HERO (Cabecera interna de Servicios)
========================================================== */
.page-hero {
    padding: 150px 5% 80px 5%;
    background-color: var(--bg-dark); 
    background-image: linear-gradient(rgba(10, 15, 30, 0.8), rgba(10, 15, 30, 0.85)), url('../imagenes/hyundai-motor-group-h2rWePLKxvs-unsplash.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Efecto parallax */
    text-align: center; 
    color: white; 
    position: relative;
}

.page-hero h1 { font-family: var(--font-head); font-size: 3.5rem; font-weight: 700; margin-bottom: 20px; }
.page-hero p { font-size: 1.1rem; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto; }
.page-hero::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 80px; height: 4px; background-color: var(--accent); border-radius: 4px 4px 0 0;
}

/* ==========================================================
   2. GALERÍA EXPANDIBLE (Tarjetas de Servicios)
========================================================== */
.services-section { padding: 80px 5%; }

.gallery-container {
    display: flex; width: 100%; max-width: 1300px;
    height: 600px; gap: 15px; margin: 0 auto;
}

.gallery-card {
    flex: 1; position: relative; border-radius: 20px;
    overflow: hidden; transition: flex 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer; background-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.card-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center;
    opacity: 0.5; filter: grayscale(100%); 
    transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Imágenes de la Galería */
.card-1 .card-bg { background-image: url('../imagenes/automatizacion.jpeg'); }
.card-2 .card-bg { background-image: url('../imagenes/tablero-electrico.jpeg'); }
.card-3 .card-bg { background-image: url('../imagenes/instrumentacion.jpeg'); }
.card-4 .card-bg { background-image: url('../imagenes/bombeo.jpeg'); }
.card-5 .card-bg { background-image: url('../imagenes/consultoria.jpeg'); }

.card-content {
    position: absolute; bottom: 0; left: 0; width: 100%; height: 100%;
    padding: 40px 30px; color: white; z-index: 2;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.5) 50%, transparent 100%);
    display: flex; flex-direction: column; justify-content: flex-end;
}

.card-number { 
    font-family: var(--font-head); font-size: 2rem; 
    color: rgba(255,255,255,0.2); font-weight: 700; 
    margin-bottom: auto; transition: 0.4s;
}

.gallery-card h3 { 
    font-family: var(--font-head); font-size: 1.4rem; 
    text-transform: uppercase; letter-spacing: 1px; font-weight: 600; 
    white-space: nowrap; transition: all 0.4s; 
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.card-desc { 
    height: 0; opacity: 0; overflow: hidden; 
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1); 
    transform: translateY(20px); 
}
.card-desc p { 
    font-size: 0.95rem; color: rgba(255,255,255,0.8); 
    margin-top: 15px; line-height: 1.6; max-width: 350px; 
    border-left: 3px solid var(--accent); padding-left: 15px;
}

/* Efectos Hover de la Galería */
.gallery-card:hover { flex: 4; box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.gallery-card:hover .card-bg { opacity: 0.8; filter: grayscale(0%); transform: scale(1.05); }
.gallery-card:hover h3 { color: var(--accent); white-space: normal; }
.gallery-card:hover .card-number { color: var(--accent); transform: translateY(-10px); }
.gallery-card:hover .card-desc { height: 100px; opacity: 1; transform: translateY(0); }

/* ==========================================================
   3. ESTILOS ESPECÍFICOS DEL MODAL DE SERVICIOS
========================================================== */
.modal-header p { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin: 0; }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }

.modal-list { list-style: none; padding: 0; margin: 0; }
.modal-list li {
    position: relative; padding-left: 25px; margin-bottom: 12px;
    color: var(--text-gray); font-size: 0.9rem; line-height: 1.5;
}
.modal-list li::before {
    content: '\f058'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    position: absolute; left: 0; top: 2px; color: var(--accent);
}

/* ==========================================================
   4. RESPONSIVE DE SECCIONES (Celulares y Tablets)
========================================================== */
@media (max-width: 900px) {
    /* Page Hero */
    .page-hero h1 { font-size: 2.5rem; }

    /* Galería Móvil */
    .gallery-container { flex-direction: column; height: 1200px; }
    .gallery-card { flex: none; height: 220px; border-radius: 12px; }
    .gallery-card:hover { flex: none; height: 350px; }
    .card-desc { height: auto; opacity: 1; transform: none; display: none; }
    .gallery-card:hover .card-desc { display: block; }
    .card-number { margin-bottom: 10px; }
}

@media (max-width: 768px) {
    /* Que las dos columnas del modal se vuelvan una sola en celular */
    .modal-grid { grid-template-columns: 1fr; gap: 20px; } 
}