/* Additional Interactive Features */

/* Loading states for better UX */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form validation styles */
.form-control.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 1.4 1.4M7.2 4.6l-1.4 1.4'/%3e%3c/svg%3e");
}

.form-control.is-valid {
    border-color: var(--gold);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23d4af37' d='m2.3 6.73.4.37L8 1.38 7.6 1l-4.9 4.9L1.4 4.6 1 5z'/%3e%3c/svg%3e");
}

/* Notification/Toast styles */
.toast-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 9999;
}

.toast-notification.show {
    transform: translateX(0);
}

/* Accordion/FAQ styles */
.faq-item {
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
}

.faq-header {
    padding: 15px 20px;
    background: rgba(212, 175, 55, 0.05);
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-header:hover {
    background: rgba(212, 175, 55, 0.1);
}

.faq-content {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-content {
    padding: 15px 20px;
    max-height: 500px;
}

.faq-icon {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* Product comparison table */
.comparison-table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.comparison-table th {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    color: white;
    text-align: center;
    padding: 15px;
}

.comparison-table td {
    padding: 12px 15px;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

/* Image gallery/carousel */
.image-gallery {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(212, 175, 55, 0.9);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.gallery-nav:hover {
    background: var(--gold);
    transform: translateY(-50%) scale(1.1);
}

.gallery-nav.prev {
    left: 10px;
}

.gallery-nav.next {
    right: 10px;
}

/* Progress bar for forms */
.progress-bar {
    height: 4px;
    background: #f0f0f0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold));
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 20px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.skeleton-image {
    height: 200px;
    border-radius: 8px;
}

/* Scroll to top enhancement */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.back-to-top:hover {
    background: var(--gold);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
}

/* Mobile enhancements */
@media (max-width: 768px) {
    .toast-notification {
        left: 20px;
        right: 20px;
        transform: translateY(-100px);
    }
    
    .toast-notification.show {
        transform: translateY(0);
    }
    
    .gallery-nav {
        width: 35px;
        height: 35px;
    }
}