/* SEO and Performance Optimization Styles */

/* Preload critical resources */
.preload-fonts {
    font-display: swap;
}

/* Optimize images for SEO */
img {
    max-width: 100%;
    height: auto;
}

/* Improve Core Web Vitals */
.lazy-load {
    transition: opacity 0.3s;
}

.lazy-load[data-src] {
    opacity: 0;
}

.lazy-load.loaded {
    opacity: 1;
}

/* Breadcrumb styling for better SEO */
.breadcrumb-seo {
    background: transparent;
    padding: 0;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.breadcrumb-seo .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: #6c757d;
}

.breadcrumb-seo a {
    color: #007bff;
    text-decoration: none;
}

.breadcrumb-seo a:hover {
    text-decoration: underline;
}

/* Schema.org microdata styling */
.schema-hidden {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Better semantic HTML elements */
main {
    min-height: 60vh;
}

article {
    margin-bottom: 2rem;
}

/* Page loading optimization */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.page-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Skip to content link for accessibility and SEO */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    border-radius: 0 0 4px 4px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
    color: #fff;
}

/* Print styles for better SEO */
@media print {
    .no-print {
        display: none !important;
    }

    .print-only {
        display: block !important;
    }

    a[href]:after {
        content: " (" attr(href) ")";
    }

    a[href^="javascript:"]:after,
    a[href^="#"]:after {
        content: "";
    }
}