/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
:root {
    /* Colors */
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-primary: #0f172a;
    --color-secondary: #334155;
    --color-accent: #3b82f6;
    /* Subtle blue for links/accents */
    --color-border: #e2e8f0;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Effects */
    --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);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --transition: all 0.3s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-text: #e2e8f0;
    --color-text-light: #94a3b8;
    --color-primary: #e2e8f0;
    --color-secondary: #cbd5e1;
    --color-accent: #60a5fa;
    --color-border: #334155;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.2);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.2);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.2);
}

[data-theme="dark"] .header {
    background-color: rgba(15, 23, 42, 0.9);
    border-bottom-color: var(--color-border);
}

[data-theme="dark"] .writing-promo {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f2847 100%);
}

[data-theme="dark"] .footer {
    background-color: #020617;
}

/* Header Actions (toggles + mobile menu) */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-primary);
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
}

.toggle-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-surface);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lang-label {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

/* Section Divider */
.section-divider {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1,
h2,
h3,
h4,
.logo {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: 1.05rem;
    font-weight: 300;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.divider {
    height: 3px;
    width: 60px;
    background-color: var(--color-primary);
    margin: 0 auto var(--spacing-lg);
    border-radius: 3px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-secondary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-primary);
}

/* ==========================================================================
   Sections General
   ========================================================================== */
.section {
    padding: var(--spacing-xl) 0;
}

.bg-light {
    background-color: var(--color-surface);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    /* Offset for header */
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.greeting {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-light);
    display: block;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.name {
    font-size: 4rem;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -1px;
}

.title {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.bio-summary {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--color-surface);
    color: var(--color-primary);
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.social-icon:hover {
    background-color: var(--color-primary);
    color: var(--color-surface);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.hero-image-container {
    position: relative;
    flex: 0 0 400px;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    overflow: hidden;
    border: 8px solid var(--color-surface);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.experience-badge {
    position: absolute;
    bottom: 20px;
    left: -20px;
    background-color: var(--color-surface);
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 3;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
}

.experience-badge i {
    color: var(--color-accent);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* ==========================================================================
   Categories and Courses Additions
   ========================================================================== */
.pub-category {
    margin-bottom: var(--spacing-xl);
}

.category-title {
    font-size: 1.5rem;
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.category-title i {
    color: var(--color-accent);
}

.courses-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.course-term {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.course-term h3 {
    font-size: 1.4rem;
    font-family: var(--font-body);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-term h3 i {
    color: var(--color-accent);
}

.course-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.course-list li {
    position: relative;
    padding-left: 24px;
    font-size: 1.05rem;
    color: var(--color-secondary);
}

.course-list li::before {
    content: '\f0da';
    /* FontAwesome play icon for bullet */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* ==========================================================================
   CV Section
   ========================================================================== */
.cv-content {
    max-width: 800px;
    margin: 0 auto;
}

.cv-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
}

.cv-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.cv-details h3 {
    margin-bottom: var(--spacing-md);
    font-family: var(--font-body);
}

.timeline {
    position: relative;
    border-left: 2px solid var(--color-border);
    padding-left: var(--spacing-md);
}

.timeline li {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.timeline li:last-child {
    margin-bottom: 0;
}

.timeline li::before {
    content: '';
    position: absolute;
    left: -2rem;
    /* matches padding-left (2rem) + 1px for border center */
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-surface);
    border: 2px solid var(--color-primary);
    transform: translateX(-1px);
}

.date {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    background-color: var(--color-bg);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: var(--spacing-xs);
    border: 1px solid var(--color-border);
}

.timeline h4 {
    font-size: 1.2rem;
    margin-bottom: 4px;
    font-family: var(--font-body);
}

.download-cv {
    text-align: center;
    margin-top: var(--spacing-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

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

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-surface);
}

.cv-note {
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* ==========================================================================
   Publications Section
   ========================================================================== */
.publications-list {
    display: grid;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

/* Publications Page */
.publications-page {
    padding-top: calc(80px + var(--spacing-lg));
}

.pub-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
}

a.pub-card-link {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.pub-card-content {
    flex: 1;
}

.pub-doi-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-surface);
    background-color: var(--color-accent);
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
    opacity: 0.7;
    transition: var(--transition);
    flex-shrink: 0;
    margin-top: 4px;
}

.pub-card:hover .pub-doi-badge {
    opacity: 1;
    transform: scale(1.05);
}

.pub-card:hover {
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
    transform: translateY(-2px);
}

a.pub-card-link:hover {
    border-color: var(--color-accent);
}

.pub-type {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pub-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-family: var(--font-body);
}

.pub-authors {
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--color-text);
}

.pub-venue {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.pub-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-accent);
}

.pub-link:hover {
    text-decoration: underline;
}

.more-pubs {
    text-align: center;
    margin-top: var(--spacing-md);
}

.inline-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.inline-link:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Writings Section
   ========================================================================== */
.writings-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.writing-promo {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.writing-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.writing-promo h3 {
    color: var(--color-surface);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.writing-promo p {
    color: #e2e8f0;
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
    flex-grow: 1;
}

.writing-promo .btn-outline {
    border-color: var(--color-surface);
    color: var(--color-surface);
    align-self: center;
}

.writing-promo .btn-outline:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

.mt-auto {
    margin-top: auto;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 500;
    color: var(--color-secondary);
}

.form-control {
    padding: 12px 15px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-surface);
    padding: var(--spacing-md) 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-info p {
    color: #94a3b8;
    margin-bottom: 0;
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: #94a3b8;
    font-size: 1.2rem;
}

.footer-social a:hover {
    color: var(--color-surface);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 900px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: var(--spacing-md);
    }

    .social-links {
        justify-content: center;
    }

    .experience-badge {
        left: 50%;
        transform: translateX(-50%);
        bottom: 10px;
    }

    .name {
        font-size: 3rem;
    }
}

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

    .navbar {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-surface);
        transition: var(--transition);
        box-shadow: var(--shadow-md);
    }

    .navbar.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-lg) 0;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .cv-card {
        flex-direction: column;
        text-align: center;
    }

    .timeline {
        border-left: none;
        padding-left: 0;
    }

    .timeline li::before {
        display: none;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .image-wrapper {
        width: 280px;
        height: 280px;
    }

    .name {
        font-size: 2.5rem;
    }
}

/* ==========================================================================
   Blog Listing
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #cbd5e1;
}

.blog-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--color-bg);
}

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

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

.blog-card-body {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-date {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.blog-card-title {
    font-size: 1.2rem;
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.blog-card-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-light);
    flex-grow: 1;
    line-height: 1.6;
}

.blog-card-read {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-top: var(--spacing-sm);
}

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

/* ==========================================================================
   Blog Post
   ========================================================================== */
.blog-post {
    padding-top: calc(80px + var(--spacing-lg));
}

.post-header {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.post-hero-image {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.post-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.post-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.post-meta i {
    color: var(--color-accent);
    margin-right: 4px;
}

.post-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.9;
    font-size: 1.1rem;
}

.post-content h2 {
    font-size: 1.8rem;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    font-family: var(--font-body);
    font-weight: 700;
}

.post-content h3 {
    font-size: 1.4rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-family: var(--font-body);
    font-weight: 600;
}

.post-content h4 {
    font-size: 1.2rem;
    margin: var(--spacing-md) 0 var(--spacing-xs);
    font-family: var(--font-body);
}

.post-content p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    line-height: 1.9;
}

.post-content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
}

.post-content a:hover {
    color: var(--color-primary);
}

.post-content ul,
.post-content ol {
    margin: var(--spacing-sm) 0 var(--spacing-md);
    padding-left: var(--spacing-md);
}

.post-content li {
    margin-bottom: var(--spacing-xs);
    list-style: disc;
    color: var(--color-text-light);
    font-size: 1.05rem;
}

.post-content ol li {
    list-style: decimal;
}

.post-content blockquote {
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-md) 0;
    background-color: var(--color-bg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
}

.post-content blockquote p {
    margin-bottom: 0;
    color: var(--color-secondary);
}

.post-content hr {
    border: none;
    height: 2px;
    background: var(--color-border);
    margin: var(--spacing-lg) 0;
}

.post-content img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-md) 0;
}

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

/* Embed Container (for iframes, maps, videos) */
.embed-container {
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.embed-container iframe {
    display: block;
    width: 100%;
    min-height: 500px;
}

.post-footer {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

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

    .post-title {
        font-size: 1.8rem;
    }

    .post-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .embed-container iframe {
        min-height: 350px;
    }
}