/* Explore Page - Enterprise-Grade Home Feed Cards */

/* ── Category Strip ──────────────────────────────────── */
.explore-categories {
    display: flex;
    gap: 0.75rem;
    margin: 1.5rem 0;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
    position: relative;
}

.explore-categories::-webkit-scrollbar { display: none; }

.category-btn {
    white-space: nowrap;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-subtle);
    background: var(--bg-elevated);
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.category-btn:hover::before {
    left: 100%;
}

.category-btn:hover,
.category-btn.active {
    background: var(--gradient-adventure);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,107,53,0.3);
}

.category-btn.active {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: translateY(-2px) scale(1); }
    50% { transform: translateY(-2px) scale(1.02); }
}

/* ── Enterprise-Grade Destinations Grid ───────────────────────────────── */
.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.destination-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border-subtle);
    transform-origin: center;
}

.destination-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--sunset-orange), var(--ocean-blue));
    opacity: 0;
    transition: opacity 0.3s;
}

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

.destination-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.destination-card:active {
    transform: translateY(-4px) scale(1.01);
    transition: all 0.1s;
}

/* Enhanced Image Container */
.destination-image-container {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--bg-elevated);
}

.destination-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(0.95);
}

.destination-card:hover .destination-image {
    transform: scale(1.08);
    filter: brightness(1);
}

/* Image Overlay Effects */
.destination-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.3) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.destination-card:hover .destination-image-overlay {
    opacity: 1;
}

/* Enhanced Content Section */
.destination-content {
    padding: 1.5rem;
    position: relative;
}

.destination-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.destination-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    line-height: 1.3;
    transition: color 0.3s;
}

.destination-card:hover .destination-title {
    color: var(--sunset-orange);
}

.destination-subtitle {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.destination-description {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: var(--font-sm);
    line-height: 1.6;
    display: -webkit-box;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Enhanced Stats Section */
.destination-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-top: 1px solid var(--border-subtle);
    gap: 1rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.stat-value {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.destination-rating {
    color: var(--warning-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: var(--font-sm);
}

.rating-stars {
    display: flex;
    gap: 0.125rem;
}

/* Enhanced Wishlist Button */
.destination-wishlist-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    z-index: 10;
}

.destination-wishlist-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.destination-wishlist-btn.saved {
    color: var(--danger-color);
    background: rgba(255,255,255,1);
    animation: heartBeat 0.6s ease-in-out;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(1.1); }
    75% { transform: scale(1.2); }
}

/* Enterprise-Grade Action Buttons */
.destination-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

.action-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-sm);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.action-btn:hover::before {
    width: 300px;
    height: 300px;
}

.action-btn.primary {
    background: var(--gradient-adventure);
    color: white;
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,107,53,0.3);
}

.action-btn.secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.action-btn.secondary:hover {
    background: var(--bg-hover);
    border-color: var(--sunset-orange);
    color: var(--sunset-orange);
}

/* Loading Skeleton */
.destination-card.loading {
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.destination-card.loading .destination-image,
.destination-card.loading .destination-content {
    background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
    background-size: 1000px 100%;
    animation: shimmer 1.5s infinite;
}

/* ── Enhanced Responsive Design ────────────────────────────────────── */
@media (max-width: 1024px) {
    .destinations-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .destinations-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.25rem;
    }
    
    .destination-image-container {
        height: 200px;
    }
    
    .destination-content {
        padding: 1.25rem;
    }
    
    .destination-title {
        font-size: 1.2rem;
    }
    
    .destination-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .destinations-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .explore-categories {
        gap: 0.5rem;
        margin: 1rem 0;
    }
    
    .category-btn {
        padding: 0.625rem 1.125rem;
        font-size: var(--font-xs);
    }
    
    .destination-image-container {
        height: 180px;
    }
    
    .destination-content {
        padding: 1rem;
    }
    
    .destination-stats {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .stat-item {
        flex: 1;
        min-width: 60px;
    }
}

/* Performance Optimizations */
.destination-card {
    will-change: transform;
    contain: layout style paint;
    backface-visibility: hidden;
    perspective: 1000px;
}

.destination-image {
    will-change: transform;
    contain: layout paint;
    backface-visibility: hidden;
}

/* Mobile Performance Optimizations */
@media (max-width: 768px) {
    .destination-card {
        contain: layout style;
        will-change: auto;
    }
    
    .destination-image {
        contain: layout;
        will-change: auto;
    }
    
    /* Reduce animations on mobile for better performance */
    .category-btn::before {
        display: none;
    }
    
    .destination-card:hover {
        transform: translateY(-4px);
    }
    
    .action-btn::before {
        display: none;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .destination-card:hover {
        transform: none !important;
    }
    
    .category-btn:hover {
        transform: none !important;
    }
}

/* Image lazy loading optimization */
.destination-image {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.destination-image.loaded {
    opacity: 1;
}

/* Intersection Observer for lazy loading */
.destination-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

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

/* Accessibility Improvements */
.destination-card:focus-within {
    outline: 2px solid var(--sunset-orange);
    outline-offset: 2px;
}

.action-btn:focus-visible {
    outline: 2px solid var(--ocean-blue);
    outline-offset: 2px;
}

.category-btn:focus-visible {
    outline: 2px solid var(--ocean-blue);
    outline-offset: 2px;
}

/* Dark Mode Enhancements */
@media (prefers-color-scheme: dark) {
    .destination-wishlist-btn {
        background: rgba(30,30,30,0.95);
    }
    
    .destination-image-overlay {
        background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.5) 100%);
    }
}