/* ===================================
   Blog Listing + Article Styles
   =================================== */

.blog-hero {
    padding: 120px 0 72px;
    background:
        radial-gradient(circle at 10% 10%, rgba(255, 107, 53, 0.16), transparent 50%),
        radial-gradient(circle at 90% 30%, rgba(74, 144, 226, 0.14), transparent 50%),
        linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.blog-hero-kicker {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.75rem;
}

.blog-hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    margin-bottom: 0.75rem;
    background: linear-gradient(120deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 760px;
    margin: 0 auto;
}

.blog-posts {
    padding: var(--spacing-xl) 0;
    background: var(--bg-darker);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.blog-empty-state {
    text-align: center;
    color: var(--text-secondary);
    grid-column: 1 / -1;
    padding: 2rem;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    text-decoration: none;
    color: inherit;
    display: block;
}

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

.blog-card-image {
    min-height: 132px;
    padding: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    background:
        linear-gradient(135deg, rgba(255, 107, 53, 0.2), rgba(74, 144, 226, 0.2)),
        linear-gradient(180deg, var(--bg-dark), var(--bg-card));
    border-bottom: 1px solid var(--border-color);
}

.blog-card-label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-primary);
    background: rgba(10, 22, 40, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
}

.blog-card-content {
    padding: var(--spacing-md);
}

.blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 0.9rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    align-items: center;
}

.blog-card-category {
    background: rgba(255, 107, 53, 0.16);
    color: #ff8d66;
    border: 1px solid rgba(255, 107, 53, 0.3);
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.7rem;
}

.blog-card-title {
    font-size: 1.35rem;
    line-height: 1.3;
    margin-bottom: 0.65rem;
    color: var(--text-primary);
}

.blog-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 0.85rem;
}

.blog-card-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.read-more {
    display: inline-flex;
    margin-top: 0.85rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: 0.01em;
}

.newsletter {
    background: var(--bg-dark);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
}

.newsletter-content {
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 520px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.78rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.12);
}

.newsletter-form input::placeholder {
    color: var(--text-muted);
}

.newsletter-form button {
    white-space: nowrap;
}

.blog-post-header {
    padding: 120px 0 56px;
    background:
        radial-gradient(circle at 8% 20%, rgba(255, 107, 53, 0.14), transparent 50%),
        radial-gradient(circle at 88% 18%, rgba(74, 144, 226, 0.14), transparent 50%),
        linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    border-bottom: 1px solid var(--border-color);
}

.post-back-link {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    margin-bottom: 1.1rem;
}

.blog-post-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.blog-post-title {
    font-size: clamp(2rem, 5vw, 3.1rem);
    margin-bottom: 0.8rem;
    max-width: 980px;
}

.blog-post-subtitle {
    max-width: 860px;
    font-size: 1.1rem;
    line-height: 1.65;
    margin-bottom: 0;
}

.blog-post-shell {
    background: var(--bg-darker);
    padding: var(--spacing-lg) 0;
}

.post-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: var(--spacing-md);
    align-items: start;
}

.post-main {
    min-width: 0;
}

.post-body {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: clamp(1.2rem, 2.2vw, 2.2rem);
}

.post-body > :last-child {
    margin-bottom: 0;
}

.post-body h2,
.post-body h3 {
    margin-top: 1.65rem;
    margin-bottom: 0.75rem;
}

.post-body h2 {
    font-size: clamp(1.4rem, 2vw, 1.9rem);
}

.post-body h3 {
    font-size: 1.2rem;
}

.post-body p {
    margin-bottom: 0.9rem;
    line-height: 1.78;
}

.post-body ul,
.post-body ol {
    padding-left: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.post-body li {
    margin-bottom: 0.5rem;
    line-height: 1.65;
}

.post-body blockquote {
    margin: 1.25rem 0;
    border-left: 4px solid var(--primary-color);
    padding: 0.65rem 1rem;
    background: rgba(255, 107, 53, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
}

.post-body a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.post-cta-card {
    margin-top: var(--spacing-md);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(74, 144, 226, 0.12));
    border: 1px solid rgba(255, 107, 53, 0.35);
    border-radius: var(--radius-lg);
    padding: 1.2rem;
}

.post-cta-card h3 {
    margin-bottom: 0.4rem;
}

.post-cta-card p {
    margin-bottom: 1rem;
}

.post-sidebar {
    display: grid;
    gap: 1rem;
}

.post-sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    position: sticky;
    top: 92px;
}

.post-sidebar-card + .post-sidebar-card {
    position: static;
}

.post-sidebar-card h3 {
    font-size: 1rem;
    margin-bottom: 0.8rem;
}

.post-sidebar-card p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.post-sidebar-card .btn {
    width: 100%;
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.toc-item a,
.toc-subitem a {
    color: var(--text-secondary);
    line-height: 1.35;
    font-size: 0.9rem;
    display: block;
}

.toc-subitem {
    padding-left: 0.75rem;
    border-left: 1px solid var(--border-color);
}

.toc-item a:hover,
.toc-subitem a:hover {
    color: var(--primary-color);
}

.post-not-found {
    text-align: center;
    padding: 1rem 0;
}

.post-not-found p {
    margin-bottom: 1rem;
}

.post-related {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
}

@media (max-width: 968px) {
    .post-layout {
        grid-template-columns: 1fr;
    }

    .post-sidebar-card {
        position: static;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 106px 0 58px;
    }

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

    .blog-card-content {
        padding: 1.25rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form button {
        width: 100%;
    }

    .blog-post-header {
        padding: 105px 0 44px;
    }

    .blog-post-meta-row {
        gap: 0.65rem;
        font-size: 0.87rem;
    }
}

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

    .blog-card-title {
        font-size: 1.18rem;
    }
}