/**
 * Unified Card System - SellioAMZ
 * Standardized card components for consistency across all pages
 */

/* ============================================
   BASE CARD
   ============================================ */

.card {
    background: var(--gradient-card-bg);
    border: var(--border-card);
    border-radius: var(--radius-card);
    padding: var(--spacing-card-padding);
    backdrop-filter: var(--backdrop-blur);
    box-shadow: var(--shadow-card);
    transition: var(--transition-card);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-card-bg-hover);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.card:hover {
    transform: translateY(-10px);
    border: var(--border-card-hover);
    box-shadow: var(--shadow-card-hover);
}

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

/* Card Content */
.card-content {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ============================================
   CARD VARIANTS
   ============================================ */

/* Featured Card - For highlighted content */
.card-featured {
    border: var(--border-card-featured);
    background: var(--gradient-card-featured);
    padding: var(--spacing-card-padding-featured);
}

.card-featured::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--color-primary-rgba-10) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: 0;
    opacity: 0.3;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Compact Card - For stats, metrics, small features */
.card-compact {
    padding: var(--spacing-card-padding-compact);
    text-align: center;
}

/* ============================================
   CARD ICON SYSTEM
   ============================================ */

.card-icon {
    width: var(--icon-size-medium);
    height: var(--icon-size-medium);
    border-radius: var(--radius-icon);
    background: var(--gradient-icon-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    transition: var(--transition-card);
    box-shadow: var(--shadow-icon);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.card-icon i {
    font-size: var(--icon-font-medium);
    color: var(--color-white);
}

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

/* Icon Size Variants */
.card-icon-small {
    width: var(--icon-size-small);
    height: var(--icon-size-small);
    margin-bottom: var(--spacing-md);
}

.card-icon-small i {
    font-size: var(--icon-font-small);
}

.card-icon-large {
    width: var(--icon-size-large);
    height: var(--icon-size-large);
    margin-bottom: var(--spacing-xl);
}

.card-icon-large i {
    font-size: var(--icon-font-large);
}

/* ============================================
   CARD TYPOGRAPHY
   ============================================ */

.card-title {
    font-size: var(--font-card-title-size);
    font-weight: var(--font-card-title-weight);
    line-height: var(--font-card-title-line-height);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.card-description {
    font-size: var(--font-card-description-size);
    line-height: var(--font-card-description-line-height);
    color: var(--color-text-secondary);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
    flex-grow: 1;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ============================================
   CARD BADGE
   ============================================ */

.card-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-badge-bg);
    border: var(--border-badge);
    border-radius: var(--radius-badge);
    font-size: var(--font-card-badge-size);
    font-weight: var(--font-card-badge-weight);
    color: var(--color-primary-rgba-90);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.card-badge-absolute {
    position: absolute;
    top: 20px;
    right: 20px;
    margin-top: 0;
    z-index: 2;
}

/* ============================================
   CARD GRID SYSTEM
   ============================================ */

.card-grid {
    display: grid;
    gap: var(--spacing-card-gap);
}

.card-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.card-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.card-grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ============================================
   CARD LIST ITEMS
   ============================================ */

.card-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0 0 0;
    position: relative;
    z-index: 1;
}

.card-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.card-list li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================
   CARD ANIMATIONS
   ============================================ */

/* Stagger animation for card grids */
.card-grid .card {
    animation: fadeInUp 0.6s ease-out backwards;
}

.card-grid .card:nth-child(1) { animation-delay: 0s; }
.card-grid .card:nth-child(2) { animation-delay: 0.1s; }
.card-grid .card:nth-child(3) { animation-delay: 0.2s; }
.card-grid .card:nth-child(4) { animation-delay: 0.3s; }
.card-grid .card:nth-child(5) { animation-delay: 0.4s; }
.card-grid .card:nth-child(6) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse effect for featured cards */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: var(--shadow-card-hover);
    }
    50% {
        box-shadow: 0 30px 70px rgba(22, 119, 255, 0.35);
    }
}

.card-featured {
    animation: pulse-glow 3s ease-in-out infinite;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 992px) {
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .card {
        padding: var(--spacing-card-padding-compact);
    }
    
    .card-featured {
        padding: var(--spacing-2xl) var(--spacing-xl);
    }
    
    .card-grid-2,
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: 1fr;
        gap: var(--spacing-card-gap-mobile);
    }
    
    .card-icon {
        width: var(--icon-size-small);
        height: var(--icon-size-small);
        margin-bottom: var(--spacing-md);
    }
    
    .card-icon i {
        font-size: var(--icon-font-small);
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    .card-description {
        font-size: 0.9rem;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.card:focus-visible {
    outline: 2px solid var(--color-primary-rgba-50);
    outline-offset: 4px;
}

.card[role="button"]:focus-visible,
.card[role="link"]:focus-visible {
    outline: 2px solid var(--color-primary-rgba-50);
    outline-offset: 4px;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.card-text-center {
    text-align: center;
}

.card-text-left {
    text-align: left;
}

.card-no-hover:hover {
    transform: none;
}

.card-full-height {
    min-height: 100%;
}

/* ============================================
   METRICS ROW (for hero sections)
   ============================================ */

.hero-metrics-row {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

.hero-metrics-row .card-compact {
    flex: 1;
    min-width: 120px;
    max-width: 200px;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 4px;
    line-height: 1.2;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .hero-metrics-row {
        gap: var(--spacing-sm);
    }
    
    .hero-metrics-row .card-compact {
        min-width: 100px;
        max-width: 150px;
    }
    
    .metric-value {
        font-size: 1.3rem;
    }
    
    .metric-label {
        font-size: 0.8rem;
    }
}