/* ==========================================================================
   IDEAVA Blog Styles
   ========================================================================== */

/* CSS Variables - Design Tokens */
:root {
    --color-primary: #1a1a2e;
    --color-primary-light: #16213e;
    --color-accent: #0f3460;
    --color-highlight: #e94560;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-border: #e5e5e5;
    --color-background: #ffffff;
    --color-background-alt: #f8f9fa;
    --color-background-dark: #1a1a2e;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    --container-max: 1200px;
    --container-narrow: 720px;

    --border-radius: 8px;
    --border-radius-lg: 12px;

    --transition: 0.2s ease;
}

/* ==========================================================================
   Base & Layout
   ========================================================================== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: var(--container-narrow);
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */

.breadcrumb {
    padding: var(--spacing-sm) 0;
    background: var(--color-background-alt);
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition);
}

.breadcrumb a:hover {
    color: var(--color-highlight);
}

.breadcrumb .separator {
    margin: 0 var(--spacing-xs);
    color: var(--color-text-muted);
}

.breadcrumb .current {
    color: var(--color-text);
    font-weight: 500;
}

/* ==========================================================================
   Page Header (Insights Listing)
   ========================================================================== */

.page-header {
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    background: var(--color-background-dark);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ==========================================================================
   Post Hero (Individual Post)
   ========================================================================== */

.post-hero {
    padding: var(--spacing-xl) 0;
    background: var(--color-background);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.post-category {
    background: var(--color-highlight);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meta-separator {
    color: var(--color-text-muted);
}

.post-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .post-title {
        font-size: 3rem;
    }
}

.post-excerpt {
    font-size: 1.25rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.post-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--color-text);
}

.author-role {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   Featured Image
   ========================================================================== */

.featured-image-container {
    padding: 0 0 var(--spacing-xl);
}

.featured-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
}

/* ==========================================================================
   Post Content
   ========================================================================== */

.post-content {
    padding: var(--spacing-lg) 0 var(--spacing-xxl);
}

.post-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    line-height: 1.3;
}

.post-content h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.4;
}

.post-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.post-content ul,
.post-content ol {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.post-content li {
    margin-bottom: var(--spacing-xs);
}

.post-content blockquote {
    border-left: 4px solid var(--color-highlight);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    background: var(--color-background-alt);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-text-light);
}

.post-content blockquote p {
    margin-bottom: 0;
}

.post-content a {
    color: var(--color-highlight);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content a:hover {
    text-decoration: none;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
}

.post-content strong {
    font-weight: 600;
    color: var(--color-primary);
}

/* Code blocks */
.post-content pre {
    background: var(--color-primary);
    color: #f8f8f2;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.post-content code {
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 0.9em;
}

.post-content p code {
    background: var(--color-background-alt);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    color: var(--color-highlight);
}

/* ==========================================================================
   Share Buttons
   ========================================================================== */

.share-section {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.share-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.share-label {
    font-weight: 500;
    color: var(--color-text);
    margin-right: var(--spacing-xs);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
    border: 1px solid var(--color-border);
    background: var(--color-background);
    color: var(--color-text);
    cursor: pointer;
}

.share-btn:hover {
    border-color: var(--color-text);
}

.share-linkedin:hover {
    background: #0077b5;
    border-color: #0077b5;
    color: white;
}

.share-twitter:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.share-copy:hover {
    background: var(--color-highlight);
    border-color: var(--color-highlight);
    color: white;
}

/* ==========================================================================
   Author Bio
   ========================================================================== */

.author-bio {
    padding: var(--spacing-xl) 0;
}

.author-bio-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-background-alt);
    border-radius: var(--border-radius-lg);
    align-items: flex-start;
}

@media (max-width: 600px) {
    .author-bio-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

.author-bio-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-bio-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.author-bio-content p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   Posts Grid (Listing & Related)
   ========================================================================== */

.insights-listing {
    padding: var(--spacing-xxl) 0;
}

.related-posts {
    padding: var(--spacing-xxl) 0;
    background: var(--color-background-alt);
}

.related-posts h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.post-card {
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform var(--transition), box-shadow var(--transition);
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.post-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.post-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-card-content {
    padding: var(--spacing-md);
}

.post-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-highlight);
    margin-bottom: var(--spacing-xs);
}

.post-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: var(--spacing-xs);
}

.post-card-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-meta {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-light);
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */

.cta-banner {
    padding: var(--spacing-xxl) 0;
    background: var(--color-primary);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* Newsletter CTA */
.newsletter-cta {
    padding: var(--spacing-xxl) 0;
    background: var(--color-background-alt);
}

.newsletter-cta .cta-content h2 {
    color: var(--color-primary);
}

.newsletter-cta .cta-content p {
    color: var(--color-text-light);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-highlight);
    color: white;
}

.btn-primary:hover {
    background: #d63a52;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ==========================================================================
   Navigation (Blog-specific adjustments)
   ========================================================================== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-highlight);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-background);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--color-background-dark);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

.footer-brand .logo {
    color: white;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition);
}

.footer-legal a:hover {
    color: white;
}

/* ==========================================================================
   Legal Pages (Imprint, Privacy)
   ========================================================================== */

.legal-content {
    padding: var(--spacing-xxl) 0;
    background: var(--color-background);
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.legal-content h2:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legal-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.legal-block {
    margin-bottom: var(--spacing-md);
}

.legal-block p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.legal-block ul {
    margin: var(--spacing-sm) 0 var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.legal-block li {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.legal-block a {
    color: var(--color-highlight);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.legal-block a:hover {
    text-decoration: none;
}

.legal-block strong {
    font-weight: 600;
    color: var(--color-primary);
}

.legal-intro {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}