/* ========================================
   BLOG STYLES
   Styles für Blog/News-Bereich
   ======================================== */

/* Blog Hero */
.blog-hero {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 50%, #5bb8d9 100%);
}

.blog-hero-icon {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.blog-hero-icon svg {
    width: 80px;
    height: 80px;
    stroke: white;
}

/* Blog Filter */
.blog-filter-section {
    padding: 40px 0;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 80px;
    z-index: 50;
}

.blog-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.filter-btn {
    padding: 10px 24px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--primary-500);
    color: var(--primary-600);
}

.filter-btn.active {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

/* Featured Article */
.blog-featured {
    padding: 80px 0;
    background: white;
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.featured-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-400) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-image-placeholder svg {
    width: 80px;
    height: 80px;
    stroke: rgba(255, 255, 255, 0.3);
}

.article-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 16px;
    background: var(--accent-400);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 100px;
}

.featured-content {
    padding: 20px 0;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin-bottom: 16px;
    font-size: 0.85rem;
}

.article-category {
    padding: 4px 12px;
    background: rgba(13, 79, 110, 0.1);
    color: var(--primary-600);
    border-radius: 100px;
    font-weight: 500;
}

.article-date,
.article-read-time {
    color: var(--gray-500);
}

.featured-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.featured-title a {
    color: var(--primary-800);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.featured-title a:hover {
    color: var(--primary-600);
}

.featured-excerpt {
    font-size: 1.1rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 28px;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary-600);
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.article-link:hover {
    gap: 12px;
}

.article-link svg {
    transition: transform var(--transition-fast);
}

.article-link:hover svg {
    transform: translateX(4px);
}

/* Blog Grid */
.blog-grid-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.blog-card {
    position: relative;
    display: block;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(13, 79, 110, 0.1);
    border-color: var(--primary-300);
}

.blog-card:hover .article-link {
    gap: 10px;
}

/* Stretched link for clickable cards */
.blog-card .blog-card-title a::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
}

.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 79, 110, 0.08) 0%, rgba(77, 168, 218, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.blog-card:hover .blog-image-placeholder {
    transform: scale(1.05);
}

.blog-image-placeholder svg {
    width: 48px;
    height: 48px;
    stroke: var(--primary-400);
    opacity: 0.5;
}

.blog-card-content {
    padding: 28px;
}

.blog-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 12px;
}

.blog-card-title a {
    color: var(--primary-800);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.blog-card-title a:hover {
    color: var(--primary-600);
}

.blog-card-excerpt {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 20px;
}

.blog-card .article-meta {
    margin-bottom: 12px;
    font-size: 0.8rem;
}

.blog-card .article-link {
    font-size: 0.9rem;
}

/* Load More */
.blog-load-more {
    display: flex;
    justify-content: center;
}

.blog-load-more .btn {
    background: white;
    color: var(--primary-700);
    border: 1px solid var(--gray-300);
}

.blog-load-more .btn:hover {
    background: var(--gray-50);
    border-color: var(--primary-500);
}

/* Newsletter Section */
.blog-newsletter {
    padding: 80px 0;
    background: white;
}

.newsletter-card {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 100%);
    border-radius: var(--radius-xl);
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.newsletter-content {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.newsletter-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.newsletter-icon svg {
    width: 32px;
    height: 32px;
    stroke: white;
}

.newsletter-text h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
}

.newsletter-text p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.newsletter-input-group {
    display: flex;
    gap: 12px;
}

.newsletter-input-group input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: all var(--transition-fast);
}

.newsletter-input-group input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-input-group input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
}

.newsletter-input-group .btn {
    white-space: nowrap;
}

.newsletter-privacy {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-privacy a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: underline;
}

.newsletter-privacy a:hover {
    color: white;
}

/* Newsletter Message (Success/Error) */
.newsletter-message {
    margin-top: 16px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    display: none;
    animation: fadeInUp 0.3s ease;
}

.newsletter-message.success {
    background: rgba(39, 202, 64, 0.2);
    border: 1px solid rgba(39, 202, 64, 0.4);
    color: #7cfc7c;
}

.newsletter-message.error {
    background: rgba(255, 95, 86, 0.2);
    border: 1px solid rgba(255, 95, 86, 0.4);
    color: #ff9f9a;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   BLOG ARTICLE PAGE STYLES
   ======================================== */

.article-hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 50%, #5bb8d9 100%);
}

.article-hero .container {
    max-width: 900px;
}

.article-hero-content {
    text-align: center;
    color: white;
}

.article-hero .article-meta {
    justify-content: center;
    margin-bottom: 24px;
}

.article-hero .article-category {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.article-hero .article-date,
.article-hero .article-read-time {
    color: rgba(255, 255, 255, 0.8);
}

.article-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.article-hero-excerpt {
    font-size: 1.2rem;
    line-height: 1.7;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

/* Article Hero Image */
.article-hero-image {
    background: linear-gradient(180deg, var(--gray-100) 0%, white 100%);
    padding: 40px 0 60px;
    margin-top: -60px;
    position: relative;
    z-index: 1;
}

.article-hero-image .container {
    max-width: 900px;
    padding: 0 20px;
}

.article-hero-image img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.18), 
                0 10px 30px rgba(0, 0, 0, 0.1);
    display: block;
}

/* Article Content */
.article-content-section {
    padding: 80px 0;
    background: white;
}

.article-wrapper {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
}

.article-main {
    max-width: 720px;
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-800);
    margin: 48px 0 20px;
}

.article-body h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--primary-700);
    margin: 36px 0 16px;
}

.article-body p {
    margin-bottom: 24px;
}

.article-body ul,
.article-body ol {
    margin: 24px 0;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 12px;
}

.article-body blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    background: var(--gray-50);
    border-left: 4px solid var(--primary-500);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--gray-700);
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 32px 0;
}

.article-body a {
    color: var(--primary-600);
    text-decoration: underline;
}

.article-body a:hover {
    color: var(--primary-700);
}

.article-body code {
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--primary-700);
}

.article-body pre {
    background: var(--primary-800);
    color: white;
    padding: 24px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 32px 0;
}

.article-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Article Sidebar */
.article-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.sidebar-widget {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-widget h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

/* Table of Contents */
.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 12px;
}

.toc-list a {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.4;
    display: block;
    transition: color var(--transition-fast);
}

.toc-list a:hover,
.toc-list a.active {
    color: var(--primary-600);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 12px;
}

.share-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.share-btn:hover {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

/* Author Box */
.author-box {
    display: flex;
    gap: 16px;
    align-items: center;
}

.author-avatar {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.author-avatar-img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-info h5 {
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: 4px;
}

.author-info p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin: 0;
}

/* Article Footer */
.article-footer {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-200);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.article-tags .tag {
    padding: 6px 14px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 0.85rem;
    border-radius: 100px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.article-tags .tag:hover {
    background: var(--primary-600);
    color: white;
}

.article-tag {
    padding: 6px 14px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 0.85rem;
    border-radius: 100px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.article-tag:hover {
    background: var(--primary-600);
    color: white;
}

.article-share {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.article-share > span {
    font-weight: 500;
    color: var(--gray-700);
}

/* Sidebar Cards */
.sidebar-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-card h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

/* Table of Contents Card */
.toc-card {
    background: white;
    border: 1px solid var(--gray-200);
}

.toc {
    font-size: 0.9rem;
}

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

.toc > ul > li {
    margin-bottom: 12px;
}

.toc ul ul {
    margin-top: 8px;
    margin-left: 16px;
    padding-left: 12px;
    border-left: 2px solid var(--gray-200);
}

.toc ul ul li {
    margin-bottom: 8px;
}

.toc a {
    color: var(--gray-600);
    text-decoration: none;
    line-height: 1.5;
    display: block;
    transition: color var(--transition-fast);
}

.toc a:hover {
    color: var(--primary-600);
}

/* CTA Card */
.cta-card {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 100%);
    color: white;
}

.cta-card h4 {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.cta-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.cta-card .btn-primary {
    background: white;
    color: var(--primary-700);
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all var(--transition-fast);
}

.cta-card .btn-primary:hover {
    background: var(--accent-400);
    color: white;
    transform: translateY(-2px);
}

/* Related Articles List */
.related-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-list li {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.related-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.related-list a {
    text-decoration: none;
    display: block;
}

.related-list .related-title {
    display: block;
    color: var(--primary-700);
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 4px;
    transition: color var(--transition-fast);
}

.related-list a:hover .related-title {
    color: var(--primary-500);
}

.related-list .related-meta {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Back to Blog */
.back-to-blog {
    padding: 40px 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-600);
    font-weight: 500;
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.back-link:hover {
    gap: 12px;
}

.back-link svg {
    transition: transform var(--transition-fast);
}

.back-link:hover svg {
    transform: translateX(-4px);
}

/* Comparison Table */
.table-responsive {
    overflow-x: auto;
    margin: 32px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.comparison-table th {
    background: var(--primary-700);
    color: white;
    font-weight: 600;
}

.comparison-table th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.comparison-table th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.comparison-table tbody tr:hover {
    background: var(--gray-50);
}

.comparison-table tbody tr:last-child td:first-child {
    border-radius: 0 0 0 var(--radius-sm);
}

.comparison-table tbody tr:last-child td:last-child {
    border-radius: 0 0 var(--radius-sm) 0;
}

/* Related Articles */
.related-articles {
    padding: 80px 0;
    background: var(--gray-50);
}

.related-articles h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-800);
    text-align: center;
    margin-bottom: 48px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .featured-article {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .newsletter-card {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px;
    }

    .article-wrapper {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

    .article-hero-image {
        margin-top: -40px;
        padding: 30px 0 50px;
    }
}

@media (max-width: 768px) {
    .blog-filter {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
        flex-wrap: nowrap;
    }

    .filter-btn {
        flex-shrink: 0;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .newsletter-content {
        flex-direction: column;
    }

    .newsletter-input-group {
        flex-direction: column;
    }

    .article-sidebar {
        grid-template-columns: 1fr;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .article-hero-image {
        margin-top: -30px;
        padding: 20px 0 40px;
    }

    .article-hero-image img {
        border-radius: var(--radius-lg);
        max-height: 350px;
    }

    .featured-title {
        font-size: 1.5rem;
    }
}