/**
 * Lazy Loading Skeleton Styles
 * Provides visual feedback while sections are being loaded
 */

/* Skeleton Container */
.section-skeleton {
    padding: 60px 15px;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Loading State */
.lazy-section.loading {
    min-height: 400px;
    position: relative;
}

.lazy-section.loading .section-skeleton::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255,255,255,0.05) 50%, 
        transparent 100%
    );
    animation: shimmer 2s infinite;
}

/* Loaded State - Fade In */
.lazy-section.loaded {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse Animation for Skeletons */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Skeleton Elements */
.skeleton-title,
.skeleton-subtitle,
.skeleton-text,
.skeleton-card,
.skeleton-map {
    background: linear-gradient(90deg, 
        var(--bg-black-100) 25%, 
        var(--bg-black-50) 50%, 
        var(--bg-black-100) 75%
    );
    background-size: 200% 100%;
    border-radius: 8px;
}

/* Skeleton Title */
.skeleton-title {
    height: 40px;
    width: 300px;
    margin: 0 auto 20px;
    max-width: 100%;
}

/* Skeleton Subtitle */
.skeleton-subtitle {
    height: 35px;
    width: 250px;
    margin: 0 auto 40px;
    max-width: 100%;
}

/* Skeleton Text */
.skeleton-text {
    height: 20px;
    width: 80%;
    margin: 0 auto 30px;
}

/* Skeleton Grid Container */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* Skeleton Service Cards */
.skeleton-card {
    height: 250px;
    border-radius: 10px;
}

/* Skeleton Portfolio Cards (taller) */
.skeleton-card.skeleton-portfolio {
    height: 450px;
}

/* Skeleton Map */
.skeleton-map {
    height: 400px;
    width: 100%;
    margin-top: 30px;
    border-radius: 12px;
}

/* Error State */
.lazy-section.error {
    min-height: 200px;
}

.section-error {
    padding: 60px 20px;
    text-align: center;
}

.section-error p {
    color: var(--skin-color);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Responsive Adjustments */
@media (max-width: 767px) {
    .skeleton-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .skeleton-card {
        height: 220px;
    }
    
    .skeleton-card.skeleton-portfolio {
        height: 400px;
    }
    
    .skeleton-map {
        height: 300px;
    }
}

/* Accessibility - Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .section-skeleton,
    .lazy-section.loading .section-skeleton::before,
    .lazy-section.loaded {
        animation: none;
    }
    
    .lazy-section.loaded {
        opacity: 1;
        transform: none;
    }
}