/* ==========================================
   Blog Styles - DataCerta
   ========================================== */

/* ==========================================
   NAVBAR (Blog-specific)
   ========================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.navbar .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar .logo-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.navbar .logo-text {
    font-size: 22px;
    font-weight: 700;
    color: white;
}

.navbar .logo-text span {
    color: var(--accent-primary-light, #2DD4BF);
}

.navbar .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.navbar .nav-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
    color: var(--accent-primary-light, #2DD4BF);
}

.navbar .nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-primary, #14B8A6);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.nav-actions .btn-ghost {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.85);
    padding: 8px 18px;
    border-radius: var(--radius-md, 8px);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.nav-actions .btn-ghost:hover {
    border-color: var(--accent-primary-light, #2DD4BF);
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-actions .btn-primary {
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    color: white;
    padding: 8px 20px;
    border-radius: var(--radius-md, 8px);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    border: none;
}

.nav-actions .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.35);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

/* ==========================================
   BLOG HERO
   ========================================== */
.blog-hero {
    background: linear-gradient(135deg, #0F172A 0%, #0c1a2e 40%, #112130 70%, #1E293B 100%);
    padding: 80px 24px 60px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.blog-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.blog-hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.blog-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: rgba(20, 184, 166, 0.12);
    border: 1px solid rgba(20, 184, 166, 0.2);
    border-radius: 100px;
    color: var(--accent-primary-light, #2DD4BF);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    animation: fadeInDown 0.6s ease;
}

.blog-hero h1 {
    font-size: 2.75rem;
    color: white;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    animation: fadeInDown 0.6s ease 0.1s both;
}

.blog-hero h1 span {
    background: linear-gradient(135deg, #14B8A6, #2DD4BF, #5EEAD4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero p {
    color: #94A3B8;
    font-size: 1.125rem;
    max-width: 550px;
    margin: 0 auto 32px;
    line-height: 1.7;
    animation: fadeInDown 0.6s ease 0.2s both;
}

.blog-search-wrapper {
    max-width: 480px;
    margin: 0 auto;
    position: relative;
    animation: fadeInDown 0.6s ease 0.3s both;
}

.blog-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: #64748B;
    pointer-events: none;
    transition: color 0.2s;
}

.blog-search-input {
    width: 100%;
    padding: 14px 20px 14px 46px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    color: white;
    font-family: inherit;
    font-size: 15px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.blog-search-input::placeholder {
    color: #64748B;
}

.blog-search-input:focus {
    outline: none;
    border-color: var(--accent-primary, #14B8A6);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.12), 0 8px 32px rgba(0, 0, 0, 0.2);
}

.blog-search-input:focus ~ .blog-search-icon,
.blog-search-wrapper:focus-within .blog-search-icon {
    color: var(--accent-primary-light, #2DD4BF);
}

.blog-search-count {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: #64748B;
    pointer-events: none;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================
   BLOG GRID / CARDS
   ========================================== */
.blog-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px;
}

.blog-filters-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.blog-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.blog-results-count {
    font-size: 13px;
    color: var(--text-muted, #94A3B8);
    font-weight: 500;
}

.blog-filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-secondary, #E2E8F0);
    border-radius: 100px;
    background: var(--bg-card, #FFFFFF);
    color: var(--text-secondary, #64748B);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.filter-count {
    font-size: 11px;
    background: var(--bg-primary, #F1F5F9);
    color: var(--text-muted, #94A3B8);
    padding: 1px 7px;
    border-radius: 100px;
    font-weight: 600;
    transition: all 0.2s;
}

.blog-filter-btn:hover,
.blog-filter-btn.active {
    border-color: var(--accent-primary, #14B8A6);
    color: var(--accent-primary, #14B8A6);
    background: rgba(20, 184, 166, 0.08);
}

.blog-filter-btn.active .filter-count {
    background: rgba(20, 184, 166, 0.15);
    color: var(--accent-primary, #14B8A6);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.blog-card {
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-secondary, #E2E8F0);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.015);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-primary, #14B8A6);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.blog-card-image svg {
    width: 48px;
    height: 48px;
    stroke: white;
    opacity: 0.5;
}

.blog-card-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-category {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(20, 184, 166, 0.1);
    color: var(--accent-primary, #14B8A6);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: fit-content;
}

.blog-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary, #1E293B);
    margin-bottom: 8px;
    line-height: 1.3;
}

.blog-card-excerpt {
    color: var(--text-muted, #94A3B8);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-secondary, #E2E8F0);
    font-size: 12px;
    color: var(--text-muted, #94A3B8);
}

.blog-card-meta svg {
    width: 14px;
    height: 14px;
}

/* ==========================================
   BLOG POST PAGE
   ========================================== */

/* Reading Progress Bar */
.reading-progress-bar {
    position: fixed;
    top: 72px; /* right below navbar */
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    z-index: 1001;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(20, 184, 166, 0.4);
}

.blog-post-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 24px;
}

.blog-post-header {
    margin-bottom: 32px;
    text-align: left;
    max-width: 900px;
}

.blog-post-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted, #64748B);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    transition: all 0.2s ease;
    padding: 6px 12px;
    background: var(--bg-card-hover, #F8FAFC);
    border: 1px solid var(--border-secondary, #E2E8F0);
    border-radius: 8px;
    width: fit-content;
}

.blog-post-back:hover {
    color: var(--accent-primary, #14B8A6);
    border-color: var(--accent-primary, #14B8A6);
    background: rgba(20, 184, 166, 0.05);
    transform: translateX(-4px);
}

.blog-post-back svg {
    width: 14px;
    height: 14px;
}

.blog-post-category {
    display: inline-block;
    padding: 5px 12px;
    background: rgba(20, 184, 166, 0.08);
    color: var(--accent-primary-dark, #0D9488);
    border: 1px solid rgba(20, 184, 166, 0.15);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-post-title {
    font-size: 2.35rem;
    font-weight: 800;
    color: var(--text-primary, #1E293B);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.blog-post-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary, #475569);
    margin-bottom: 24px;
    line-height: 1.5;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted, #64748B);
    border-top: 1px solid var(--border-secondary, #E2E8F0);
    border-bottom: 1px solid var(--border-secondary, #E2E8F0);
    padding: 12px 0;
    margin-top: 24px;
}

.blog-post-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-post-meta-item svg {
    width: 14px;
    height: 14px;
    stroke: var(--text-muted, #64748B);
}

/* Widescreen post hero banner */
.blog-post-featured-image {
    width: 100%;
    height: 420px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 40px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    border: 1px solid var(--border-secondary, #E2E8F0);
}

.blog-post-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-post-featured-image:hover img {
    transform: scale(1.02);
}

/* Post Widescreen 2-column Grid */
.blog-post-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

@media (max-width: 1024px) {
    .blog-post-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Article Content */
.blog-article {
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-secondary, #E2E8F0);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
    font-size: 1.02rem; /* perfectly scaled font size */
    line-height: 1.8;
    color: var(--text-secondary, #475569);
}

.blog-article h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary, #1E293B);
    margin: 36px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(20, 184, 166, 0.15);
    position: relative;
    letter-spacing: -0.019em;
}

.blog-article h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
}

.blog-article h2:first-child {
    margin-top: 0;
}

.blog-article h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary, #1E293B);
    margin: 28px 0 14px;
    letter-spacing: -0.015em;
}

.blog-article h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary, #1E293B);
    margin: 20px 0 10px;
}

.blog-article p {
    color: var(--text-secondary, #475569);
    margin-bottom: 24px;
}

.blog-article ul,
.blog-article ol {
    padding-left: 24px;
    margin-bottom: 24px;
}

.blog-article li {
    color: var(--text-secondary, #475569);
    margin-bottom: 10px;
}

.blog-article li::marker {
    color: var(--accent-primary, #14B8A6);
}

.blog-article a {
    color: var(--accent-primary-dark, #0D9488);
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.blog-article a:hover {
    color: var(--accent-primary-light, #2DD4BF);
}

.blog-article strong {
    color: var(--text-primary, #1E293B);
    font-weight: 700;
}

.blog-article em {
    font-style: italic;
}

.blog-article blockquote {
    border-left: 5px solid var(--accent-primary, #14B8A6);
    padding: 24px 32px;
    margin: 36px 0;
    background: linear-gradient(90deg, rgba(20, 184, 166, 0.04) 0%, rgba(20, 184, 166, 0.01) 100%);
    border-radius: 0 12px 12px 0;
    position: relative;
}

.blog-article blockquote p {
    margin-bottom: 0;
    font-style: italic;
    color: var(--text-secondary, #475569);
    font-size: 1.2rem;
    line-height: 1.7;
    font-weight: 500;
}

.blog-article blockquote::before {
    content: '“';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 4rem;
    font-family: Georgia, serif;
    color: rgba(20, 184, 166, 0.12);
    line-height: 1;
}

.blog-article code {
    background: var(--bg-primary, #F1F5F9);
    color: var(--accent-primary-dark, #0D9488);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 14px;
    font-family: 'Fira Code', monospace;
    font-weight: 500;
}

.blog-article pre {
    background: #0F172A;
    color: #F8FAFC;
    padding: 24px;
    border-radius: 12px;
    overflow-x: auto;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.blog-article img {
    max-width: 100%;
    border-radius: 12px;
    margin: 28px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.blog-article img:hover {
    transform: scale(1.01);
}

.blog-article hr {
    border: none;
    border-top: 1px solid var(--border-secondary, #E2E8F0);
    margin: 48px 0;
}

/* Sidebar Columns styling */
.blog-sidebar {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sidebar-widget {
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-secondary, #E2E8F0);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
}

.author-widget {
    text-align: center;
}

.author-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 16px;
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.2);
}

.author-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary, #1E293B);
    margin-bottom: 8px;
}

.author-bio {
    font-size: 14px;
    color: var(--text-secondary, #475569);
    line-height: 1.6;
}

.stats-widget h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary, #1E293B);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-secondary, #E2E8F0);
    font-size: 14px;
    color: var(--text-secondary, #475569);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary, #1E293B);
}

.cta-widget {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-widget::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-widget h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: white;
    line-height: 1.3;
}

.cta-widget p {
    font-size: 14px;
    color: #94A3B8;
    margin-bottom: 24px;
    line-height: 1.6;
}

.cta-widget .btn {
    width: 100%;
    padding: 12px 20px;
    font-weight: 600;
    text-align: center;
    border-radius: 10px;
    display: block;
}

/* Tags */
.blog-post-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-secondary, #E2E8F0);
}

.blog-tag {
    padding: 5px 12px;
    background: var(--bg-card-hover, #F8FAFC);
    border: 1px solid var(--border-secondary, #E2E8F0);
    color: var(--text-secondary, #475569);
    border-radius: 8px;
    font-size: 13px;
    transition: all 0.2s ease;
}

.blog-tag:hover {
    color: var(--accent-primary, #14B8A6);
    border-color: var(--accent-primary, #14B8A6);
    background: rgba(20, 184, 166, 0.03);
}

/* Empty State */
.blog-empty {
    text-align: center;
    padding: 80px 24px;
    color: var(--text-muted, #94A3B8);
}

.blog-empty svg {
    width: 80px;
    height: 80px;
    stroke: var(--text-muted, #94A3B8);
    margin-bottom: 20px;
    opacity: 0.5;
}

.blog-empty h3 {
    color: var(--text-secondary, #64748B);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.blog-empty p {
    color: var(--text-muted, #94A3B8);
}

/* Loading */
.blog-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    color: var(--text-muted, #94A3B8);
    grid-column: 1 / -1;
}

.spinner-blog {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-secondary, #E2E8F0);
    border-top-color: var(--accent-primary, #14B8A6);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================
   FOOTER (Blog-specific)
   ========================================== */
.footer {
    background: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
    padding: 60px 24px 30px;
    color: white;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(20, 184, 166, 0.4), transparent);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    position: relative;
    z-index: 1;
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-brand .logo-icon svg {
    width: 20px;
    height: 20px;
    stroke: white;
}

.footer-brand .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.footer-brand .logo-text span {
    color: var(--accent-primary-light, #2DD4BF);
}

.footer-description {
    color: #94A3B8;
    font-size: 14px;
    line-height: 1.7;
    max-width: 320px;
    margin-top: 16px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94A3B8;
    transition: all 0.3s ease;
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.35);
}

.footer-social a svg {
    width: 18px;
    height: 18px;
}

.footer-column h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
    color: white;
    position: relative;
    padding-bottom: 12px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    border-radius: 2px;
}

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

.footer-column li {
    margin-bottom: 14px;
}

.footer-column a {
    color: #94A3B8;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-column a:hover {
    color: var(--accent-primary-light, #2DD4BF);
    transform: translateX(4px);
}

.footer-column .contact-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.footer-column .contact-link svg {
    width: 16px;
    height: 16px;
    color: var(--accent-primary, #14B8A6);
    flex-shrink: 0;
}

.footer-column .contact-link:hover svg {
    color: var(--accent-primary-light, #2DD4BF);
}

.footer-bottom {
    max-width: 1200px;
    margin: 48px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #64748B;
    position: relative;
    z-index: 1;
}

.footer-bottom a {
    color: var(--accent-primary, #14B8A6);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-bottom a:hover {
    color: var(--accent-primary-light, #2DD4BF);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .navbar .nav-links {
        display: none;
    }

    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .blog-hero {
        padding: 60px 20px;
    }

    .blog-hero h1 {
        font-size: 1.75rem;
    }

    .blog-hero p {
        font-size: 1rem;
    }

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

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

    .blog-article {
        padding: 24px;
    }

    .blog-post-meta {
        flex-direction: column;
        gap: 8px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }

    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-column a:hover {
        transform: none;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-description {
        max-width: 100%;
        margin: 0 auto;
    }

    .footer-brand .logo {
        justify-content: center;
    }

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

@media (max-width: 480px) {
    .blog-container {
        padding: 32px 16px;
    }

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

    .blog-card-content {
        padding: 16px;
    }
}

/* ==========================================
   FEATURED POST
   ========================================== */
.blog-featured {
    margin-bottom: 40px;
}

.blog-featured-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-secondary, #E2E8F0);
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.04);
}

.blog-featured-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-primary, #14B8A6);
}

.blog-featured-image {
    position: relative;
    min-height: 320px;
    overflow: hidden;
}

.blog-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.blog-featured-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 5px 14px;
    background: linear-gradient(135deg, #14B8A6, #0D9488);
    color: white;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.3);
}

.blog-featured-content {
    padding: 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-featured-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary, #1E293B);
    line-height: 1.25;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.blog-featured-excerpt {
    color: var(--text-muted, #94A3B8);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.blog-featured-cta {
    color: var(--accent-primary, #14B8A6);
    font-size: 14px;
    font-weight: 600;
    margin-top: auto;
    transition: gap 0.2s;
}

.blog-featured-card:hover .blog-featured-cta {
    color: var(--accent-primary-dark, #0D9488);
}

@media (max-width: 768px) {
    .blog-featured-card {
        grid-template-columns: 1fr;
    }
    .blog-featured-image {
        min-height: 200px;
    }
    .blog-featured-content {
        padding: 24px;
    }
    .blog-featured-title {
        font-size: 1.3rem;
    }
}

/* ==========================================
   BREADCRUMB
   ========================================== */
.blog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted, #94A3B8);
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.blog-breadcrumb a {
    color: var(--text-muted, #64748B);
    text-decoration: none;
    transition: color 0.2s;
}

.blog-breadcrumb a:hover {
    color: var(--accent-primary, #14B8A6);
}

.blog-breadcrumb span {
    color: var(--text-secondary, #475569);
    font-weight: 500;
}

/* ==========================================
   SHARE BAR
   ========================================== */
.blog-share-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-secondary, #E2E8F0);
}

.blog-share-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #475569);
}

.blog-share-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-secondary, #E2E8F0);
    background: var(--bg-card-hover, #F8FAFC);
    color: var(--text-muted, #64748B);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.blog-share-btn svg {
    width: 18px;
    height: 18px;
}

.blog-share-btn:hover {
    border-color: var(--accent-primary, #14B8A6);
    color: var(--accent-primary, #14B8A6);
    background: rgba(20, 184, 166, 0.06);
    transform: translateY(-2px);
}

/* ==========================================
   TOC WIDGET
   ========================================== */
.toc-widget h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary, #1E293B);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(20, 184, 166, 0.15);
}

.toc-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc-link {
    display: block;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--text-secondary, #64748B);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    line-height: 1.4;
    border-left: 2px solid transparent;
}

.toc-link:hover {
    color: var(--accent-primary, #14B8A6);
    background: rgba(20, 184, 166, 0.05);
    border-left-color: var(--accent-primary, #14B8A6);
}

.toc-link.toc-sub {
    padding-left: 24px;
    font-size: 12px;
    color: var(--text-muted, #94A3B8);
}

/* ==========================================
   RELATED POSTS
   ========================================== */
.blog-related-section {
    background: var(--bg-primary, #F1F5F9);
    padding: 60px 24px;
    border-top: 1px solid var(--border-secondary, #E2E8F0);
}

.blog-related-container {
    max-width: 1200px;
    margin: 0 auto;
}

.blog-related-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary, #1E293B);
    margin-bottom: 32px;
    text-align: center;
    position: relative;
    padding-bottom: 16px;
}

.blog-related-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 3px;
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    border-radius: 3px;
}

.blog-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

/* ==========================================
   SCROLL TO TOP
   ========================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--accent-gradient, linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%));
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(20, 184, 166, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
}

.scroll-top-btn svg {
    width: 20px;
    height: 20px;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 32px rgba(20, 184, 166, 0.45);
}

/* ==========================================
   FADE IN ANIMATION
   ========================================== */
.fade-in {
    animation: fadeInUp 0.5s ease both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}