/* #region Hero Section */
.hero-container {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    width: 100%;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.main-heading {
    font-size: var(--fs-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

.main-description {
    font-size: var(--fs-lg);
    color: var(--color-gray-700);
    line-height: 1.6;
    margin-bottom: 0;
}

/* #region Animated Background */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: var(--radius-full);
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
    will-change: transform;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 20%;
    right: 15%;
    animation-delay: 1s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: 2s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    bottom: 30%;
    right: 25%;
    animation-delay: 3s;
}

.shape-5 {
    width: 70px;
    height: 70px;
    top: 50%;
    left: 5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    50% { 
        transform: translateY(-20px) rotate(180deg); 
    }
}
/* #endregion */

/* #endregion */

/* #region Layout Grid */
.layout-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 1024px) {
    .layout-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}
/* #endregion */

/* #region Blog Main Section */
.blog-main {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
    margin: var(--spacing-xl) 0;
    position: relative;
    z-index: 2;
}

/* #region Blog List */
.blog-list {
    margin-bottom: var(--spacing-2xl);
}

.blog-item {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.blog-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.blog-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.blog-item:hover::before {
    transform: scaleX(1);
}

.blog-header {
    margin-bottom: var(--spacing-lg);
}

.blog-title {
    margin: 0 0 var(--spacing-md) 0;
    font-size: var(--fs-xl);
    font-weight: 600;
    line-height: 1.3;
}

.blog-title a {
    color: var(--color-gray-900);
    text-decoration: none;
    transition: var(--transition-base);
}

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

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: var(--fs-sm);
    color: var(--color-gray-600);
    flex-wrap: wrap;
}

.blog-category,
.blog-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
}

.blog-category i,
.blog-author i {
    color: var(--color-primary);
    font-size: var(--fs-xs);
}

.blog-content {
    color: var(--color-gray-700);
}

.blog-excerpt {
    font-size: var(--fs-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-700);
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: var(--fs-sm);
    transition: var(--transition-base);
    position: relative;
}

.read-more-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.read-more-btn:hover {
    color: var(--color-primary-dark);
    transform: translateX(2px);
}

.read-more-btn:hover::after {
    width: calc(100% - 20px);
}

.read-more-btn i {
    font-size: var(--fs-xs);
    transition: var(--transition-base);
}

.read-more-btn:hover i {
    transform: translateX(2px);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    color: var(--color-gray-600);
}

.empty-state i {
    font-size: var(--fs-4xl);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: var(--fs-xl);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    font-size: var(--fs-base);
    color: var(--color-gray-600);
}
/* #endregion */

/* #region Pagination */
.pagination-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.pagination-btn,
.pagination-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    text-decoration: none;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    min-height: 40px;
    min-width: 40px;
}

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

.pagination-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.pagination-number {
    background: var(--color-white);
}

.pagination-number:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

.pagination-number.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    font-weight: 600;
}

.pagination-ellipsis {
    padding: var(--spacing-sm);
    color: var(--color-gray-500);
    font-weight: 500;
}

@media (max-width: 768px) {
    .pagination-nav {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .pagination-numbers {
        order: -1;
    }
    
    .pagination-btn {
        flex: 1;
        max-width: 120px;
    }
}
/* #endregion */

/* #endregion */

/* #region Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.sidebar-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    position: relative;
}

.sidebar-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--color-secondary);
}

/* #region Advertisement Section */
.advertisement-section {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.advertisement-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.ad-item {
    position: relative;
    min-height: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-gray-100);
    transition: var(--transition-base);
    cursor: pointer;
    display: none;
}

.ad-item.active {
    display: block;
}

.ad-item:first-child {
    display: block;
}

.ad-image-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.ad-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.ad-item:hover .ad-image {
    transform: scale(1.05);
}

.ad-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg, 
        rgba(0, 0, 0, 0.7) 0%, 
        rgba(0, 0, 0, 0.3) 50%, 
        rgba(0, 0, 0, 0.8) 100%
    );
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
    z-index: 2;
}

.ad-item:hover .ad-content {
    opacity: 1;
    transform: translateY(0);
}

.ad-header {
    margin-bottom: var(--spacing-md);
}

.ad-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--color-white);
    margin: 0 0 var(--spacing-sm) 0;
    line-height: 1.2;
}

.ad-description {
    font-size: var(--fs-sm);
    color: var(--color-gray-200);
    line-height: 1.4;
    margin-bottom: var(--spacing-lg);
}

.ad-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-white);
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--fs-sm);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.ad-cta-btn:hover {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.empty-ads {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-lg);
    color: var(--color-gray-600);
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.carousel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-gray-200);
    color: var(--color-gray-700);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.carousel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.carousel-btn:disabled:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.carousel-indicators {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
    justify-content: center;
}

.indicator {
    width: 8px;
    height: 8px;
    background: var(--color-gray-300);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
}

.indicator.active,
.indicator:hover {
    background: var(--color-primary);
    transform: scale(1.2);
}
/* #endregion */

/* #region Blog Filters */
.blog-filters {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.filter-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 40px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    color: var(--color-gray-700);
    background: var(--color-white);
    transition: var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(191, 23, 37, 0.1);
}

.search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-gray-500);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.search-btn:hover {
    color: var(--color-primary);
    background: var(--color-gray-100);
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-label {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-gray-800);
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    color: var(--color-gray-700);
    background: var(--color-white);
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(191, 23, 37, 0.1);
}
/* #endregion */

/* #endregion */

/* #region Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        order: -1;
        margin: var(--spacing-lg) 0;
    }
    
    .advertisement-section,
    .blog-filters {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .layout-grid {
        padding: 0 var(--spacing-md);
    }
    
    .blog-main {
        padding: var(--spacing-lg);
        margin: var(--spacing-lg) 0;
    }
    
    .blog-item {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .blog-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .ad-item {
        min-height: 280px;
    }
    
    .ad-content {
        padding: var(--spacing-lg);
    }
    
    .ad-title {
        font-size: var(--fs-base);
    }
    
    .ad-description {
        font-size: var(--fs-xs);
    }
}

@media (max-width: 576px) {
    .hero-container {
        min-height: 50vh;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .main-heading {
        font-size: var(--fs-2xl);
    }
    
    .main-description {
        font-size: var(--fs-base);
    }
    
    .layout-grid {
        padding: 0 var(--spacing-sm);
    }
    
    .blog-main {
        padding: var(--spacing-md);
        margin: var(--spacing-md) 0;
    }
    
    .blog-item {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .blog-title {
        font-size: var(--fs-lg);
    }
    
    .pagination-nav {
        gap: var(--spacing-md);
    }
    
    .pagination-btn,
    .pagination-number {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-height: 36px;
        min-width: 36px;
        font-size: var(--fs-xs);
    }
    
    .advertisement-section,
    .blog-filters {
        padding: var(--spacing-md);
    }
    
    .ad-item {
        min-height: 240px;
    }
    
    .sidebar-title {
        font-size: var(--fs-base);
    }
    
    .filter-content {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero-container {
        min-height: 40vh;
    }
    
    .blog-meta {
        font-size: var(--fs-xs);
    }
    
    .carousel-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .carousel-indicators {
        order: -1;
    }
    
    .filter-content {
        gap: var(--spacing-sm);
    }
}
/* #endregion */

/* #region Loading States */
.blog-item.loading {
    position: relative;
    overflow: hidden;
}

.blog-item.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

.ad-item.loading .ad-image {
    background: var(--color-gray-200);
    animation: pulse 1.5s ease-in-out infinite alternate;
}

@keyframes pulse {
    from { opacity: 1; }
    to { opacity: 0.5; }
}
/* #endregion */

/* #region Accessibility */
.blog-item:focus-within {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.carousel-btn:focus,
.indicator:focus,
.search-btn:focus,
.pagination-btn:focus,
.pagination-number:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .floating-shape,
    .blog-item,
    .ad-item,
    .ad-content,
    .ad-image,
    .carousel-btn,
    .indicator,
    .read-more-btn {
        animation: none;
        transition: none;
    }
    
    .blog-item:hover,
    .ad-item:hover .ad-content,
    .ad-item:hover .ad-image,
    .read-more-btn:hover {
        transform: none;
    }
}

@media (prefers-contrast: high) {
    .blog-item,
    .advertisement-section,
    .blog-filters {
        border: 2px solid var(--color-gray-800);
    }
    
    .pagination-btn,
    .pagination-number {
        border: 2px solid var(--color-gray-800);
    }
    
    .search-input,
    .filter-select {
        border: 2px solid var(--color-gray-800);
    }
}
/* #endregion */