/**
 * Blog Styles - Travel Guides
 */

/* ================================
   Blog Hero
   ================================ */
.hero-blog {
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 50%, #1a202c 100%);
    padding: var(--spacing-4xl) 0;
}

.hero-blog .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 107, 53, 0.2);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

/* ================================
   Blog Filters
   ================================ */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.blog-filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.blog-filter-btn:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-900);
}

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

/* ================================
   Blog Grid
   ================================ */
.blog-featured {
    margin-bottom: var(--spacing-3xl);
}

.blog-featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.blog-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* ================================
   Blog Card
   ================================ */
.blog-card {
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.blog-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background-color: var(--color-gray-100);
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    aspect-ratio: 16/10;
}

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

.blog-card-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: auto;
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.blog-card-meta svg {
    color: var(--color-primary);
}

/* Featured Card (larger) */
.blog-card-featured {
    grid-column: span 1;
}

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

.blog-card-featured .blog-card-title {
    font-size: var(--font-size-xl);
}

/* ================================
   Blog Article Hero
   ================================ */
.blog-article-hero {
    position: relative;
    padding: var(--spacing-4xl) 0;
    min-height: 450px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.blog-article-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.blog-article-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-article-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7));
    z-index: 1;
}

.blog-article-hero .container {
    position: relative;
    z-index: 2;
}

.blog-article-hero-content {
    max-width: 800px;
}

.blog-article-meta-top {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.blog-article-category {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s ease;
}

.blog-article-category:hover {
    background: var(--color-primary-dark);
}

.blog-article-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.blog-article-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.blog-article-excerpt {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.blog-article-meta-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.blog-article-meta-bottom span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ================================
   Blog Article Content
   ================================ */
.blog-article-content {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.blog-article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-2xl);
    align-items: start;
}

.blog-article-main {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.blog-content-intro {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.blog-content-intro p:first-letter {
    font-size: 3.5rem;
    font-weight: 700;
    float: left;
    line-height: 1;
    margin-right: var(--spacing-sm);
    color: var(--color-primary);
}

.blog-content-section {
    margin-bottom: var(--spacing-2xl);
}

.blog-content-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.blog-content-section p {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

/* Highlights */
.blog-highlights {
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.blog-highlights h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.blog-highlights-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.blog-highlight-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
}

.blog-highlight-tag svg {
    color: var(--color-primary);
}

/* Tips Section */
.blog-content-tips {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.blog-content-tips h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

.blog-content-tips h3 svg {
    color: #d97706;
}

.blog-content-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-content-tips li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    line-height: 1.6;
}

.blog-content-tips li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #d97706;
    font-weight: 700;
}

.blog-content-tips li:last-child {
    margin-bottom: 0;
}

/* eSIM CTA */
.blog-esim-cta {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, #c2410c 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    color: white;
}

.blog-esim-cta-icon {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.blog-esim-cta-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.blog-esim-cta-content p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.blog-esim-cta .btn {
    background: white;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.blog-esim-cta .btn:hover {
    background: var(--color-gray-100);
}

/* Share Section */
.blog-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--spacing-xl);
}

.blog-share-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
}

.blog-share-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.blog-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.blog-share-facebook {
    background: #1877f2;
    color: white;
}

.blog-share-twitter {
    background: #000;
    color: white;
}

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

.blog-share-email {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.blog-share-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* ================================
   Blog Sidebar
   ================================ */
.blog-article-sidebar {
    position: sticky;
    top: var(--spacing-xl);
}

.blog-sidebar-widget {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.blog-sidebar-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary);
}

.blog-sidebar-title svg {
    color: var(--color-primary);
}

/* Plans Widget */
.blog-plans-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.blog-plan-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
}

.blog-plan-item:hover {
    background: var(--color-gray-100);
}

.blog-plan-info {
    display: flex;
    flex-direction: column;
}

.blog-plan-data {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-900);
}

.blog-plan-validity {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.blog-plan-price {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
}

/* Plan badges */
.blog-plan-item {
    position: relative;
    flex-wrap: wrap;
}

.blog-plan-badge {
    position: absolute;
    top: -6px;
    right: var(--spacing-sm);
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.blog-plan-badge-price {
    background: #dcfce7;
    color: #166534;
}

.blog-plan-badge-unlimited {
    background: #fef3c7;
    color: #92400e;
}

.blog-plan-unlimited {
    background: linear-gradient(135deg, #fef9c3 0%, #fef3c7 100%);
    border: 1px solid #fcd34d;
}

.blog-plan-unlimited:hover {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.blog-sidebar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s ease;
}

.blog-sidebar-btn:hover {
    background: var(--color-primary-dark);
}

/* TOC Widget */
.blog-toc-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.blog-toc-item {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--color-gray-200);
    transition: all 0.2s ease;
}

.blog-toc-item:hover {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

/* Quick Links */
.blog-quick-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.blog-quick-link {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    text-decoration: none;
    padding: var(--spacing-sm);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.blog-quick-link:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

/* ================================
   Blog Related Section
   ================================ */
.blog-related {
    background: white;
}

/* ================================
   Responsive
   ================================ */
@media (max-width: 1024px) {
    .blog-featured-grid,
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .blog-article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .blog-sidebar-widget {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .blog-featured-grid,
    .blog-grid,
    .blog-grid-3 {
        grid-template-columns: 1fr;
    }

    .blog-article-hero {
        min-height: 350px;
        padding: var(--spacing-2xl) 0;
    }

    .blog-article-title {
        font-size: 1.75rem;
    }

    .blog-article-main {
        padding: var(--spacing-lg);
    }

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

    .blog-esim-cta {
        flex-direction: column;
        text-align: center;
    }

    .blog-esim-cta-content {
        text-align: center;
    }

    .blog-share {
        flex-direction: column;
        text-align: center;
    }

    .blog-article-meta-bottom {
        gap: var(--spacing-sm);
    }

    .blog-content-intro p:first-letter {
        font-size: 2.5rem;
    }

    .blog-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--spacing-md);
        -webkit-overflow-scrolling: touch;
    }

    .blog-filter-btn {
        white-space: nowrap;
    }
}

/* ================================
   Blog Content Images (SEO + LCP Optimization)
   ================================ */
.blog-content-image {
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.blog-content-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 16 / 10;
    background-color: var(--color-gray-100);
}

.blog-content-image-hero img {
    max-height: 400px;
    aspect-ratio: 2 / 1;
}

.blog-content-image figcaption {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-50);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    text-align: center;
    font-style: italic;
}

/* ================================
   Mobile Floating Sidebar
   ================================ */
.blog-mobile-sidebar {
    display: none;
}

@media (max-width: 1024px) {
    .blog-mobile-sidebar {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        padding: 12px 16px;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        z-index: 9999;
        gap: 12px;
        justify-content: space-between;
        align-items: center;
    }

    .blog-mobile-sidebar-toggle {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm) var(--spacing-lg);
        background: var(--color-gray-100);
        border: none;
        border-radius: var(--radius-full);
        font-size: var(--font-size-sm);
        font-weight: 600;
        color: var(--color-gray-700);
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .blog-mobile-sidebar-toggle:hover,
    .blog-mobile-sidebar-toggle:active {
        background: var(--color-gray-200);
    }

    .blog-mobile-sidebar-toggle svg {
        color: var(--color-gray-600);
    }

    .blog-mobile-plans-btn {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm) var(--spacing-lg);
        background: var(--color-primary);
        color: white;
        border-radius: var(--radius-full);
        font-size: var(--font-size-sm);
        font-weight: 600;
        text-decoration: none;
        transition: background 0.2s ease;
    }

    .blog-mobile-plans-btn:hover {
        background: var(--color-primary-dark);
    }
}

/* ================================
   Mobile Sidebar Panel
   ================================ */
.blog-mobile-panel {
    display: none;
}

.blog-mobile-panel-overlay {
    display: none;
}

@media (max-width: 1024px) {
    .blog-mobile-panel {
        display: flex;
        flex-direction: column;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        z-index: 1001;
        max-height: 70vh;
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }

    .blog-mobile-panel.is-open {
        transform: translateY(0);
    }

    .blog-mobile-panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--spacing-md) var(--spacing-lg);
        border-bottom: 1px solid var(--color-gray-200);
        flex-shrink: 0;
    }

    .blog-mobile-panel-header h3 {
        font-size: var(--font-size-lg);
        font-weight: 700;
        color: var(--color-gray-900);
        margin: 0;
    }

    .blog-mobile-panel-close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: var(--color-gray-100);
        border: none;
        border-radius: var(--radius-full);
        color: var(--color-gray-600);
        cursor: pointer;
        transition: background 0.2s ease;
    }

    .blog-mobile-panel-close:hover {
        background: var(--color-gray-200);
    }

    .blog-mobile-panel-nav {
        flex: 1;
        overflow-y: auto;
        padding: var(--spacing-md) var(--spacing-lg);
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .blog-mobile-toc-item {
        display: block;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
        color: var(--color-gray-700);
        text-decoration: none;
        border-radius: var(--radius-md);
        border-left: 3px solid transparent;
        transition: all 0.2s ease;
    }

    .blog-mobile-toc-item:hover,
    .blog-mobile-toc-item:active {
        background: var(--color-gray-50);
        color: var(--color-primary);
        border-left-color: var(--color-primary);
    }

    .blog-mobile-panel-cta {
        padding: var(--spacing-md) var(--spacing-lg);
        border-top: 1px solid var(--color-gray-200);
        flex-shrink: 0;
    }

    .blog-mobile-panel-cta .btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-xs);
    }

    .blog-mobile-panel-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .blog-mobile-panel-overlay.is-open {
        opacity: 1;
        visibility: visible;
    }
}

/* Hide desktop sidebar when mobile sidebar is shown */
@media (max-width: 1024px) {
    .blog-article-sidebar {
        display: none !important;
    }

    .blog-article-content {
        padding-bottom: 90px !important;
    }
}