/**
 * ============================================
 * Covers Selection Page - Specific Styles
 * ============================================
 * 
 * This file contains ONLY page-specific styles for covers selection page.
 * Common styles are in product-gallery.css
 */

/* ============================================
   Selection Section (Page Specific)
   ============================================ */
.covers-selection-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.covers-selection-container {
    max-width: var(--pg-container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.covers-selection-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.covers-selection-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    line-height: var(--line-height-tight);
}

.covers-selection-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin: 0;
}

/* ============================================
   Cards Grid (Page Specific)
   ============================================ */
.covers-selection-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

/* ============================================
   Cover Card (Page Specific)
   ============================================ */
.covers-card {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
}

.covers-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--hover-shadow);
    border-color: var(--hover-border);
}

.covers-card-image-wrapper {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--border-light) 100%);
}

.covers-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
    filter: blur(8px);
}

.covers-card:hover .covers-card-image {
    transform: scale(1.15);
    filter: blur(6px);
}

.covers-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(26, 54, 93, 0.95) 0%,
        rgba(26, 54, 93, 0.85) 30%,
        rgba(26, 54, 93, 0.6) 60%,
        transparent 100%
    );
    z-index: 1;
}

.covers-card-icon-wrapper {
    position: absolute;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.covers-card-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    border: 4px solid;
    transition: all var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
}

.covers-card-icon i {
    font-size: var(--font-size-3xl);
    transition: transform var(--transition-fast);
}

.covers-card-icon-rts {
    border-color: var(--color-magenta);
    color: var(--color-magenta);
}

.covers-card-icon-safety {
    border-color: var(--color-purple-600);
    color: var(--color-purple-600);
}

.covers-card:hover .covers-card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--hover-shadow);
}

.covers-card:hover .covers-card-icon i {
    transform: scale(1.1);
}

.covers-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    z-index: 2;
    text-align: center;
}

.covers-card-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    margin: 0 0 var(--spacing-xs) 0;
    text-shadow: 0 2px 8px rgba(31, 41, 55, 0.3);
    letter-spacing: 0.5px;
}

.covers-card-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 var(--spacing-sm) 0;
    text-shadow: 0 1px 4px rgba(31, 41, 55, 0.2);
    line-height: var(--line-height-normal);
}

.covers-card-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    color: var(--color-white);
    transition: all var(--transition-fast);
    margin: 0 auto;
}

.covers-card:hover .covers-card-arrow {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-4px);
}

.covers-card-arrow i {
    font-size: var(--font-size-base);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .covers-selection-section {
        padding: var(--spacing-xl) 0;
    }
    
    .covers-selection-title {
        font-size: var(--font-size-3xl);
    }
    
    .covers-selection-subtitle {
        font-size: var(--font-size-base);
    }
    
    .covers-selection-grid {
        gap: var(--spacing-md);
    }
    
    .covers-card-image-wrapper {
        height: 200px;
    }
    
    .covers-card-icon {
        width: 60px;
        height: 60px;
        border-width: 3px;
    }
    
    .covers-card-icon i {
        font-size: var(--font-size-2xl);
    }
    
    .covers-card-content {
        padding: var(--spacing-md);
    }
    
    .covers-card-title {
        font-size: var(--font-size-lg);
    }
    
    .covers-card-description {
        font-size: 0.8rem;
    }
    
    .covers-card-arrow {
        width: 32px;
        height: 32px;
    }
}

@media (max-width: 480px) {
    .covers-selection-grid {
        gap: var(--spacing-sm);
    }
    
    .covers-card-image-wrapper {
        height: 180px;
    }
    
    .covers-card-icon-wrapper {
        top: var(--spacing-md);
    }
    
    .covers-card-icon {
        width: 50px;
        height: 50px;
    }
    
    .covers-card-icon i {
        font-size: var(--font-size-xl);
    }
    
    .covers-card-content {
        padding: var(--spacing-sm);
    }
    
    .covers-card-title {
        font-size: var(--font-size-base);
        margin-bottom: 6px;
    }
    
    .covers-card-description {
        font-size: 0.75rem;
        margin-bottom: var(--spacing-xs);
    }
}

/* ============================================
   Animations
   ============================================ */
.covers-card.ep-animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
}

.covers-card.ep-animate-on-scroll.ep-animated {
    opacity: 1;
    transform: translateY(0);
}

.covers-card.ep-animate-on-scroll.ep-animated:nth-child(1) {
    animation-delay: 0.1s;
}

.covers-card.ep-animate-on-scroll.ep-animated:nth-child(2) {
    animation-delay: 0.2s;
}