/* Product Applications Section */
.product-applications-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.product-applications-section .section-title {
    color: #2c3e50;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.product-applications-section .section-title:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background: #e74c3c;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* Application Cards */
.app-card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.app-card .card-body {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.app-card .card-title {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.app-card .card-title i {
    margin-right: 10px;
    font-size: 1.2em;
}

.app-card .card-text {
    color: #7f8c8d;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Accordion Styles */
#applicationsAccordion .card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

#applicationsAccordion .card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 0;
}

#applicationsAccordion .btn-link {
    color: #2c3e50;
    font-weight: 600;
    text-decoration: none;
    width: 100%;
    text-align: left;
    padding: 20px 25px;
    position: relative;
    transition: all 0.3s ease;
}

#applicationsAccordion .btn-link:hover {
    color: #e74c3c;
}

#applicationsAccordion .btn-link:after {
    content: '\f077';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
}

#applicationsAccordion .btn-link.collapsed:after {
    content: '\f078';
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .product-applications-section {
        padding: 60px 0;
    }
    
    .app-card {
        margin-bottom: 20px;
    }
    
    #applicationsAccordion .btn-link {
        padding: 15px 20px;
        font-size: 16px;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #e74c3c;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #c0392b;
    color: #fff;
}