/* Estilos para la sección de Áreas de Especialización */
.specialization-section {
    padding: 60px 0 30px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(249, 249, 249, 1) 0%, rgba(240, 240, 240, 1) 100%);
}

.specialization-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.specialization-header {
    text-align: center;
    margin-bottom: 30px;
}

.specialization-subtitle {
    display: inline-block;
    background: linear-gradient(45deg, var(--primary-blue), var(--primary-orange));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 1rem;
    margin-bottom: 15px;
}

.specialization-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 20px;
    position: relative;
}

.specialization-decoration {
    display: inline-block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-orange));
    border-radius: 2px;
    margin: 0 auto 15px;
}

.specialization-description {
    max-width: 800px;
    margin: 0 auto 30px;
    color: #555;
    line-height: 1.7;
    font-size: 1.1rem;
    text-align: center;
}

.specialization-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.specialization-card {
    position: relative;
    width: 350px;
    height: 220px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
    cursor: pointer;
    transform: translateY(0);
    opacity: 0;
}

.specialization-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.specialization-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.1) 100%);
    z-index: 1;
    transition: all 0.4s ease;
}

.specialization-card:hover .card-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 60%, rgba(0, 0, 0, 0.3) 100%);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.specialization-card:hover .card-image {
    transform: scale(1.1);
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    z-index: 2;
    transform: translateY(0);
    transition: all 0.4s ease;
}

.specialization-card:hover .card-content {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 15px;
    display: inline-block;
    transition: all 0.3s ease;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.card-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.specialization-card:hover .card-description {
    max-height: 80px;
    opacity: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.4s ease;
}

.specialization-card:hover .card-link {
    opacity: 1;
    transform: translateX(0);
}

.card-link i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.card-link:hover i {
    transform: translateX(5px);
}

/* Colores específicos para cada especialización */
.residential-card {
    background-color: var(--primary-blue);
}

.residential-card .card-icon {
    color: var(--white);
}

.residential-card .card-link {
    color: var(--secondary-yellow);
}

.commercial-card {
    background-color: var(--primary-orange);
}

.commercial-card .card-icon {
    color: var(--white);
}

.commercial-card .card-link {
    color: var(--secondary-yellow);
}

.industrial-card {
    background-color: #FF9800;
}

.industrial-card .card-icon {
    color: var(--white);
}

.industrial-card .card-link {
    color: var(--secondary-yellow);
}

/* Animaciones de entrada */
.specialization-card:nth-child(1) {
    transition-delay: 0.1s;
}

.specialization-card:nth-child(2) {
    transition-delay: 0.3s;
}

.specialization-card:nth-child(3) {
    transition-delay: 0.5s;
}

/* Diseño responsivo */
@media (max-width: 992px) {
    .specialization-card {
        width: 300px;
    }
    
    .specialization-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .specialization-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .specialization-card {
        width: 100%;
        max-width: 400px;
    }
    
    .specialization-description {
        font-size: 1rem;
    }
    
    .specialization-title {
        font-size: 2rem;
    }
}