/* 
Haberler ve İçerikler Sayfası - Our Solutions Stilinde Modern Tasarım
KRONEN web sitesi etkileşimli tasarımını referans alır
*/

:root {
    /* Modern Color Palette - Kronen.eu Style */
    --primary-color: hsl(313, 26%, 45%);
    --primary-light: hsl(313, 26%, 55%);
    --secondary-color: hsl(313, 26%, 55%);
    --accent-color: hsl(313, 35%, 25%);
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    
    /* Border & Shadows */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Layout */
    --max-width: 1280px;
    --section-padding: 6rem 0;
    --container-padding: 2rem;
    
    /* Animation */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --card-radius: 1.25rem;
    --transition-speed: 0.3s;
    --content-spacing: 2rem;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   Base Styles - Modern Reset
   ========================================================================== */

.news-content-page {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    
    /* Kronen stil göstergesi */
    border-top: 5px solid var(--secondary-color) !important;
}

.news-content-page * {
    box-sizing: border-box;
}

/* ==========================================================================
   Container ve Layout
   ========================================================================== */

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

.section-padding {
    padding: var(--section-padding);
}

/* ==========================================================================
   Hero Bölümü - Modern Gradient Tasarım
   ========================================================================== */

.hero-section {
    position: relative;
    min-height: 40;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    overflow: hidden;
    padding: 6rem 0 4rem;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,0 1000,200 1000,1000 0,800"/></svg>');
    z-index: 1;
}

.hero-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(26, 54, 93, 0.8) 0%, 
        rgba(37, 99, 235, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 4rem 0;
    text-align: center;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    backdrop-filter: blur(10px);
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-separator {
    margin: 0 1rem;
    opacity: 0.7;
}

.breadcrumb-current {
    opacity: 0.9;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    line-height: 1.2;
    color: white;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    color: white;
}

/* ==========================================================================
   Öne Çıkan İçerikler - Modern Grid
   ========================================================================== */

.featured-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin: 2rem 0;
}

.featured-card {
    background: var(--bg-primary);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-light);
}

.featured-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.featured-card-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

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

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

.featured-card-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.content-type-badge {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 1.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.content-date {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 1.5rem;
    font-size: 0.8rem;
    backdrop-filter: blur(10px);
}

.featured-card-content {
    padding: 1.5rem;
}

.featured-card-title {
    margin: 0 0 1rem 0;
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
}

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

.featured-card-title a:hover {
    color: var(--secondary-color);
}

.featured-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.featured-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-light);
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.content-class {
    font-weight: 600;
    color: var(--secondary-color);
}

/* ==========================================================================
   Ana İçerik Layout - Modern Sidebar
   ========================================================================== */

.main-content-section {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.content-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 3rem;
}

/* ==========================================================================
   Modern Sidebar Tasarımı
   ========================================================================== */

.content-sidebar {
    background: var(--bg-primary);
    border-radius: 1.25rem;
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.sidebar-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.75rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 1rem;
}

.sidebar-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

/* Modern Arama Kutusu */
.search-box {
    margin-bottom: 2.5rem;
}

.search-input-group {
    position: relative;
    display: flex;
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.search-input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(var(--primary-color-rgb), 0.1);
    background: var(--bg-primary);
}

.search-input {
    flex: 1;
    padding: 1rem 1.25rem;
    border: none;
    outline: none;
    font-size: 0.95rem;
    background: transparent;
    color: var(--text-primary);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-button:hover {
    background: var(--secondary-color);
}

/* Modern Filtre Tasarımı */
.filter-group {
    margin-bottom: 1rem;
    background: var(--bg-secondary);
    border-radius: 0.75rem;
    padding: 0.75rem;
}

.filter-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: var(--transition);
    position: relative;
    border: 1px solid transparent;
    font-weight: 500;
    margin-bottom: 0.35rem;
    background: var(--bg-primary);
    cursor: pointer;
}

.filter-item.has-children::after {
    content: '';
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--text-light);
    border-bottom: 2px solid var(--text-light);
    transform: rotate(45deg);
    transition: var(--transition);
    margin-left: 0.5rem;
}

.filter-item.has-children.active::after {
    transform: rotate(-135deg);
}

.filter-subtypes {
    display: none;
    margin: 0.35rem 0 0.35rem 1.25rem;
    padding-left: 0.75rem;
    border-left: 2px solid var(--border-light);
    animation: slideDown 0.3s ease-out;
}

.filter-subtypes.active {
    display: block;
}

.filter-subitem {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: var(--transition);
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
    background: var(--bg-primary);
    border: 1px solid transparent;
}

.filter-subitem:last-child {
    margin-bottom: 0;
}

.filter-subitem:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.filter-subitem.active {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.filter-subitem .filter-count {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    min-width: 24px;
}

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

@media (max-width: 992px) {
    .filter-group {
        margin-bottom: 0.75rem;
        padding: 0.5rem;
    }

    .filter-item {
        padding: 0.5rem 0.65rem;
    }

    .filter-subtypes {
        margin-left: 1rem;
        padding-left: 0.5rem;
    }

    .filter-subitem {
        padding: 0.4rem 0.65rem;
    }
}

.filter-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.filter-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
    opacity: 0.8;
    transition: var(--transition);
}

.filter-item:hover .filter-icon {
    opacity: 1;
    transform: scale(1.1);
}

.filter-count {
    background: var(--bg-secondary);
    color: var(--text-light);
    padding: 0.25rem 0.5rem;
    border-radius: 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 28px;
    text-align: center;
    transition: var(--transition);
}

.filter-item:hover .filter-count {
    background: var(--primary-color);
    color: white;
}

@media (max-width: 992px) {
    .content-sidebar {
        position: static;
        margin-top: 2rem;
        padding: 1.5rem;
    }

    .filter-group {
        margin-bottom: 1rem;
    }

    .filter-item {
        padding: 0.75rem;
    }
}

/* ==========================================================================
   İçerik Toolbar - Modern Controls
   ========================================================================== */

.content-main {
    min-height: 600px;
}

.content-main.full-width {
    grid-column: 1 / -1;
}

.content-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.results-count {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.view-options {
    display: flex;
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    background: var(--bg-secondary);
}

.view-toggle {
    background: transparent;
    border: none;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    font-weight: 500;
}

.view-toggle:hover,
.view-toggle.active {
    background: var(--secondary-color);
    color: white;
}

.sort-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.sort-select:focus {
    border-color: var(--secondary-color);
    outline: none;
}

/* ==========================================================================
   İçerik Kartları - Modern Card Design
   ========================================================================== */

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin: 2rem 0;
}

.content-grid.list-view {
    grid-template-columns: 1fr;
}

.content-card {
    background: var(--bg-primary);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-light);
    position: relative;
    display: flex;
    flex-direction: column;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
}

.content-card-image {
    position: relative;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
    background: var(--bg-secondary);
}

.content-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

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

.placeholder-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-light);
    font-size: 3rem;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.placeholder-image span {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    color: var(--text-secondary);
}

.content-card-overlay,
.card-hover-overlay {
    display: none;
}

.content-card-image::after {
    display: none;
}

.content-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    padding: 0.5rem 0;
}

.content-type-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.65rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.content-date {
    background: var(--accent-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.65rem;
    backdrop-filter: blur(4px);
    box-shadow: var(--shadow-sm);
}

.featured-badge {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.65rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    box-shadow: var(--shadow-sm);
}

/* Badge Renkleri */
.badge-blog { background: linear-gradient(135deg, #059669, #10b981); }
.badge-news { background: linear-gradient(135deg, #dc2626, #ef4444); }
.badge-article { background: linear-gradient(135deg, #d97706, #f59e0b); color: white; }
.badge-tutorial { background: linear-gradient(135deg, #0891b2, #06b6d4); }
.badge-case-study { background: linear-gradient(135deg, #7c3aed, #8b5cf6); }

.featured-badge {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    box-shadow: var(--shadow-sm);
}

.content-card-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.content-card-category {
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.content-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1rem 0;
    line-height: 1.4;
}

.content-card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    background: linear-gradient(to right, var(--primary-color), var(--primary-color));
    background-size: 0 2px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    padding-bottom: 2px;
}

.content-card-title a:hover {
    color: var(--primary-color);
    background-size: 100% 2px;
}

.content-card-excerpt {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    -moz-line-clamp: 3;
    -ms-line-clamp: 3;
    line-clamp: 3;
    overflow: hidden;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.content-card-footer {
    display: none;
}

.content-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meta-item i {
    color: var(--secondary-color);
    font-size: 1rem;
}

.content-tags {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.class-icon,
.type-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.author-info {
    display: none;
}

.content-card-actions {
    width: 100%;
    margin-top: auto;
}

.btn-read-more {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
    width: 100%;
    margin: 0;
}

.btn-read-more:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.content-stats {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ==========================================================================
   Loading ve Error States
   ========================================================================== */

.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-light);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Modern Pagination
   ========================================================================== */

.pagination-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-light);
}

.pagination-mobile {
    display: none;
}

.pagination-info {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.pagination {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pagination-item {
    margin: 0;
}

.pagination-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-radius: 0.75rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-light);
}

.pagination-link:hover:not(.disabled) {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

.pagination-link.active {
    background: var(--secondary-color);
    color: white;
    box-shadow: var(--card-shadow);
}

.pagination-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-jumper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pagination-jump-input {
    width: 80px;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    text-align: center;
    font-weight: 500;
    transition: var(--transition);
}

.pagination-jump-input:focus {
    border-color: var(--secondary-color);
    outline: none;
}

.pagination-jump-button {
    padding: 0.75rem 1.25rem;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.pagination-jump-button:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

/* ==========================================================================
   Newsletter Section - Modern CTA
   ========================================================================== */

.newsletter-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.newsletter-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,0 1000,200 1000,1000 0,800"/></svg>');
    z-index: 1;
}

.newsletter-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.newsletter-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.newsletter-description {
    font-size: 1.2rem;
    line-height: 1.7;
    opacity: 0.95;
}

.newsletter-input-group {
    display: flex;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: white;
}

.newsletter-input {
    flex: 1;
    padding: 1.25rem;
    border: none;
    outline: none;
    font-size: 1rem;
    color: var(--text-primary);
}

.newsletter-button {
    background: var(--warning-color);
    color: white;
    border: none;
    padding: 1.25rem 2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-button:hover {
    background: #b45309;
    transform: scale(1.05);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta-section {
    background: var(--bg-secondary);
    padding: 6rem 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.cta-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* ==========================================================================
   Modern Button Styles
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    border-color: var(--secondary-color);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

/* ==========================================================================
   No Content State
   ========================================================================== */

.no-content-message {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-primary);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.no-content-icon {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.no-content-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.no-content-text {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.no-content-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-suggestions {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 0.75rem;
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

.search-suggestions h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

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

.search-suggestions li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
}

.search-suggestions li:before {
    content: "→";
    margin-right: 0.75rem;
    color: var(--secondary-color);
    font-weight: 600;
}

/* ==========================================================================
   Responsive Design - Mobile First
   ========================================================================== */

@media (max-width: 1200px) {
    .content-layout {
        grid-template-columns: 280px 1fr;
        gap: 2rem;
    }
    
    .featured-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .content-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .content-sidebar {
        position: static;
        order: 2;
        margin-top: 2rem;
    }
    
    .content-main {
        order: 1;
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .pagination-nav {
        display: none;
    }
    
    .pagination-mobile {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 2rem;
        padding: 1.5rem;
        background: var(--bg-primary);
        border-radius: 1rem;
        box-shadow: var(--shadow-md);
        border: 1px solid var(--border-light);
    }
    
    .pagination-mobile-info {
        font-weight: 600;
        color: var(--text-primary);
    }
    
    .pagination-mobile-controls {
        display: flex;
        gap: 1rem;
    }
    
    .pagination-mobile-btn {
        width: 44px;
        height: 44px;
        border-radius: 0.75rem;
        border: 2px solid var(--border-color);
        background: var(--bg-primary);
        color: var(--text-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        transition: var(--transition);
        font-weight: 500;
    }
    
    .pagination-mobile-btn:hover:not(.disabled) {
        background: var(--secondary-color);
        color: white;
        border-color: var(--secondary-color);
        transform: translateY(-2px);
    }
    
    .pagination-mobile-btn.disabled {
        opacity: 0.4;
        cursor: not-allowed;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem 0;
        --container-padding: 1rem;
        --content-spacing: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .cta-title {
        font-size: 2.25rem;
    }
    
    .content-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .content-grid.list-view {
        grid-template-columns: 1fr;
    }
    
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .content-toolbar {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .toolbar-right {
        justify-content: space-between;
    }
    
    .newsletter-input-group {
        flex-direction: column;
    }
    
    .newsletter-button {
        border-radius: 0 0 0.75rem 0.75rem;
    }

    .filter-group {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-item {
        text-align: center;
    }

    .content-card-footer {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
        padding: 1rem;
    }

    .content-card-meta {
        justify-content: center;
    }

    .content-card-title {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }

    .content-card-excerpt {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .content-card-body {
        padding: 1rem;
    }

    .content-card-overlay {
        padding: 1.25rem 0.5rem 0.35rem;
    }

    .content-type-badge {
        padding: 0.25rem 0.5rem;
        font-size: 0.65rem;
        background: var(--primary-color);
    }

    .content-date {
        padding: 0.25rem 0.5rem;
        font-size: 0.65rem;
        background: var(--accent-color);
        color: white;
    }

    .featured-badge {
        padding: 0.25rem 0.5rem;
        font-size: 0.65rem;
        gap: 0.15rem;
    }

    
}

@media (max-width: 576px) {
    .hero-content {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .cta-title {
        font-size: 1.875rem;
    }
    
    .content-card-image {
        height: 160px;
    }
    
    .featured-card-image {
        height: 160px;
    }
    
    .content-toolbar {
        padding: 1rem;
    }
    
    .filter-item {
        padding: 0.75rem;
    }
    
    .sidebar-title {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .content-grid,
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .content-grid.list-view {
        grid-template-columns: 1fr;
    }

    .content-card-title {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .content-card-excerpt {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        -moz-line-clamp: 3;
        -ms-line-clamp: 3;
        line-clamp: 3;
        overflow: hidden;
        font-size: 0.85rem;
    }

    .content-card-meta {
        font-size: 0.8rem;
    }

    .meta-item {
        gap: 0.25rem;
    }

    .content-card-overlay {
        padding: 1rem 0.35rem 0.25rem;
    }

    .content-type-badge,
    .content-date,
    .featured-badge {
        padding: 0.2rem 0.4rem;
        font-size: 0.6rem;
        border-radius: 1rem;
    }

    .content-card-image {
        position: relative;
    }

    .content-card-image::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 50%;
        
        pointer-events: none;
    }

    .badge-blog,
    .badge-news,
    .badge-article,
    .badge-tutorial,
    .badge-case-study {
        box-shadow: var(--shadow-sm);
    }

    
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }

    .content-card-overlay {
        padding: 1.5rem 0.5rem 0.5rem;
    }

    .content-type-badge,
    .content-date,
    .featured-badge {
        padding: 0.25rem 0.5rem;
        font-size: 0.65rem;
        border-radius: 1rem;
    }

    .content-card-image {
        position: relative;
    }

    .content-card-image::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 50%;
        
        pointer-events: none;
    }

    .badge-blog,
    .badge-news,
    .badge-article,
    .badge-tutorial,
    .badge-case-study {
        box-shadow: var(--shadow-sm);
    }

    
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Error Notification Styles
   ========================================================================== */

.error-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    background: linear-gradient(135deg, var(--error-color), #ef4444);
    color: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-xl);
    animation: slideInRight 0.3s ease-out;
    max-width: 400px;
}

.error-content {
    display: flex;
    align-items: center;
    padding: 1rem;
    gap: 0.75rem;
}

.error-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: auto;
    padding: 0;
    line-height: 1;
    opacity: 0.8;
    transition: var(--transition);
}

.error-close:hover {
    opacity: 1;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .error-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

/* ==========================================================================
   Fade In Animation for Cards
   ========================================================================== */

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

.content-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* ==========================================================================
   Dark Mode Support (isteğe bağlı)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-light: #94a3b8;
        --bg-primary: #1e293b;
        --bg-secondary: #334155;
        --bg-tertiary: #475569;
        --border-color: #475569;
        --border-light: #64748b;
        --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
        --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
        --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3);
    }
}

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

.content-card {
    animation: fadeIn 0.5s ease-out;
}

/* Dark Mode Desteği */
@media (prefers-color-scheme: dark) {
    .content-card {
        background: var(--bg-primary-dark);
        border-color: var(--border-dark);
    }

    .content-card-footer {
        background: var(--bg-secondary-dark);
        border-color: var(--border-dark);
    }

    .filter-item {
        background: var(--bg-secondary-dark);
        border-color: var(--border-dark);
    }

    .search-input {
        background: var(--bg-primary-dark);
        border-color: var(--border-dark);
    }
}

.card-stats {
    display: none;
}