/* ================================================
   BLOG — Public pages
   ================================================ */

/* ---------- HERO ---------- */
.blog-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--blue-700) 100%);
    text-align: center;
}

.blog-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--white);
    margin-bottom: 0.5rem;
}

.blog-hero__subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- LAYOUT ---------- */
.blog-content {
    padding: 60px 0 100px;
    background: var(--bg-secondary);
}

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 40px;
    align-items: start;
}

.container--narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-px);
}

/* ---------- FILTERS ---------- */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.blog-filter__pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--white);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all var(--duration) var(--ease-out);
}

.blog-filter__pill:hover {
    color: var(--blue-800);
    border-color: var(--blue-600);
    background: var(--blue-50);
}

.blog-filter__pill--active {
    color: var(--white);
    background: var(--blue-800);
    border-color: var(--blue-800);
}

.blog-filter__pill--active:hover {
    color: var(--white);
    background: var(--blue-700);
}

.blog-filter__count {
    font-size: 0.75rem;
    opacity: 0.6;
}

.blog-active-filter {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding: 10px 16px;
    background: var(--blue-50);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--blue-800);
}

.blog-active-filter__clear {
    font-size: 1.25rem;
    color: var(--blue-800);
    text-decoration: none;
    line-height: 1;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.blog-active-filter__clear:hover {
    opacity: 1;
}

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

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

/* ---------- POST CARD ---------- */
.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--duration) var(--ease-out);
}

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

.blog-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.blog-card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--gray-100);
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

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

.blog-card__image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--blue-50), var(--gray-100));
    color: var(--gray-400);
}

.blog-card__image-placeholder i {
    width: 48px;
    height: 48px;
}

.blog-card__category {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.02em;
}

.blog-card__body {
    padding: 20px 24px 24px;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.blog-card__dot {
    opacity: 0.4;
}

.blog-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card__excerpt {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}

.blog-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.blog-card__author {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.blog-card__tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.blog-card__tag {
    font-size: 0.6875rem;
    padding: 2px 8px;
    background: var(--gray-100);
    color: var(--text-secondary);
    border-radius: 100px;
}

/* ---------- PAGINATION ---------- */
.blog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.blog-pagination__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--blue-800);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s;
}

.blog-pagination__btn:hover {
    background: var(--blue-50);
    border-color: var(--blue-600);
}

.blog-pagination__btn i {
    width: 16px;
    height: 16px;
}

.blog-pagination__pages {
    display: flex;
    gap: 4px;
}

.blog-pagination__page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.blog-pagination__page:hover {
    background: var(--blue-50);
    color: var(--blue-800);
}

.blog-pagination__page--active {
    background: var(--blue-800);
    color: var(--white);
}

.blog-pagination__page--active:hover {
    background: var(--blue-700);
    color: var(--white);
}

/* ---------- EMPTY STATE ---------- */
.blog-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.blog-empty h3 {
    margin: 16px 0 8px;
    font-size: 1.25rem;
    color: var(--text-primary);
}

/* ---------- SIDEBAR ---------- */
.blog-sidebar {
    position: sticky;
    top: 100px;
}

.blog-sidebar__section {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
}

.blog-sidebar__title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

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

.blog-sidebar__tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--gray-100);
    border-radius: 100px;
    text-decoration: none;
    transition: all 0.2s;
}

.blog-sidebar__tag:hover {
    background: var(--blue-50);
    color: var(--blue-800);
}

.blog-sidebar__tag--active {
    background: var(--blue-800);
    color: var(--white);
}

.blog-sidebar__tag-count {
    font-size: 0.6875rem;
    opacity: 0.6;
}

/* ================================================
   SINGLE POST
   ================================================ */

.blog-post__header {
    padding: 120px 0 48px;
    background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--blue-700) 100%);
    text-align: center;
}

.blog-post__category {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 16px;
    transition: opacity 0.2s;
}

.blog-post__category:hover {
    opacity: 0.85;
}

.blog-post__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 3rem);
    color: var(--white);
    line-height: 1.2;
    max-width: 720px;
    margin: 0 auto 16px;
}

.blog-post__subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

.blog-post__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.blog-post__meta span,
.blog-post__meta time {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.blog-post__dot {
    opacity: 0.3;
}

/* Featured Image */
.blog-post__featured-image {
    margin-top: -30px;
    margin-bottom: 48px;
}

.blog-post__featured-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Content */
.blog-post__content {
    padding: 48px 0 40px;
}

.blog-post__body {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.blog-post__body h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin: 48px 0 16px;
    color: var(--blue-900);
}

.blog-post__body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 32px 0 12px;
}

.blog-post__body p {
    margin-bottom: 1.25rem;
}

.blog-post__body a {
    color: var(--blue-600);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.blog-post__body a:hover {
    color: var(--blue-800);
}

.blog-post__body img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 24px 0;
}

.blog-post__body ul,
.blog-post__body ol {
    margin: 0 0 1.25rem 1.5rem;
}

.blog-post__body li {
    margin-bottom: 0.5rem;
}

.blog-post__body blockquote {
    border-left: 4px solid var(--blue-600);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--blue-50);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.blog-post__body pre {
    background: var(--gray-900);
    color: #e5e7eb;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 24px 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

.blog-post__body code {
    font-size: 0.875em;
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--blue-800);
}

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

/* Tags */
.blog-post__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.blog-post__tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--gray-100);
    border-radius: 100px;
    text-decoration: none;
    transition: all 0.2s;
}

.blog-post__tag:hover {
    background: var(--blue-50);
    color: var(--blue-800);
}

/* Related Posts */
.blog-related {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.blog-related__title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 32px;
}

/* Back Link */
.blog-post__back {
    padding: 40px 0 80px;
}

.blog-post__back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--blue-800);
    text-decoration: none;
    transition: all 0.2s;
}

.blog-post__back-link:hover {
    gap: 12px;
    color: var(--blue-600);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }

    .blog-sidebar {
        position: static;
    }

    .blog-grid--3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .blog-hero {
        padding: 100px 0 40px;
    }

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

    .blog-post__meta {
        font-size: 0.8125rem;
    }

    .blog-post__content {
        padding: 32px 0;
    }
}