/* Virat Group — blog.css | Blog listing + post pages, extends style4.css/inner4.css tokens */

.blog-section { padding: 64px 0 80px; background: var(--v4-ivory); }

/* ── FILTER CHIPS ── */
.blog-filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.blog-filter-chip {
    padding: 8px 18px; border-radius: 999px; border: 1px solid var(--v4-line);
    background: #fff; color: var(--v4-ink-soft); font-size: 13px; font-weight: 600;
    text-decoration: none; transition: all 0.2s;
}
.blog-filter-chip:hover { border-color: var(--v4-gold); color: var(--v4-navy-900); }
.blog-filter-chip.is-active { background: var(--v4-navy-900); border-color: var(--v4-navy-900); color: #fff; }

/* ── GRID + CARDS ── */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-card {
    display: flex; flex-direction: column; background: #fff; border: 1px solid var(--v4-line);
    border-radius: var(--v4-radius); overflow: hidden; text-decoration: none; color: inherit;
    transition: transform 0.3s var(--v4-ease), box-shadow 0.3s var(--v4-ease);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--v4-shadow-md); }
.blog-card-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--v4-off-white); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--v4-ease); }
.blog-card:hover .blog-card-img img { transform: scale(1.06); }
.blog-card-img-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 40px; color: var(--v4-gold); opacity: 0.4; }
.blog-card-cat {
    position: absolute; top: 14px; left: 14px; background: var(--v4-navy-900); color: #fff;
    font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
    padding: 5px 12px; border-radius: 999px;
}
.blog-card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.blog-card-date { font-size: 12px; color: var(--v4-gold-dark); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 8px; }
.blog-card-body h3 { font-size: 18px; margin: 0 0 10px; line-height: 1.35; }
.blog-card-body p { font-size: 13.5px; color: var(--v4-ink-soft); line-height: 1.6; margin: 0 0 16px; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card-readmore { font-size: 13px; font-weight: 700; color: var(--v4-navy-900); display: inline-flex; align-items: center; gap: 8px; }
.blog-card-readmore i { font-size: 11px; transition: transform 0.2s; }
.blog-card:hover .blog-card-readmore i { transform: translateX(4px); }

.blog-empty { text-align: center; padding: 80px 24px; color: var(--v4-ink-soft); }
.blog-empty i { font-size: 40px; color: var(--v4-gold); opacity: 0.5; margin-bottom: 16px; }

/* ── PAGINATION ── */
.blog-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.blog-pagination a {
    width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
    border-radius: 50%; border: 1px solid var(--v4-line); color: var(--v4-ink-soft); text-decoration: none; font-weight: 600; font-size: 13.5px;
}
.blog-pagination a.is-active { background: var(--v4-navy-900); border-color: var(--v4-navy-900); color: #fff; }
.blog-pagination a:hover:not(.is-active) { border-color: var(--v4-gold); }

/* ── SINGLE POST ── */
.blog-post-meta { display: flex; flex-wrap: wrap; gap: 20px; color: rgba(255,255,255,0.6); font-size: 13.5px; }
.blog-post-meta i { color: var(--v4-gold-light); margin-right: 6px; }

.blog-post-section { background: var(--v4-ivory); padding: 56px 0 80px; }

/* ── TWO-COLUMN LAYOUT (content + sticky ToC sidebar) ── */
.blog-post-layout { max-width: 1160px; display: grid; grid-template-columns: 1fr 280px; gap: 56px; align-items: start; }
.blog-post-main { max-width: 780px; }

.blog-post-featured-img { width: 100%; border-radius: var(--v4-radius); margin-bottom: 40px; aspect-ratio: 16/9; object-fit: cover; }

/* ── TABLE OF CONTENTS (desktop sidebar) ── */
.blog-toc-sidebar { position: sticky; top: calc(var(--v4-header-h) + 24px); }
.blog-toc-box { background: #fff; border: 1px solid var(--v4-line); border-radius: var(--v4-radius); padding: 22px 20px; max-height: calc(100vh - var(--v4-header-h) - 60px); overflow-y: auto; }
.blog-toc-title {
    font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--v4-navy-900); margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
}
.blog-toc-title i { color: var(--v4-gold-dark); }
.blog-toc-box nav { display: flex; flex-direction: column; gap: 2px; }
.toc-link {
    display: block; font-size: 13px; line-height: 1.5; color: var(--v4-ink-soft); text-decoration: none;
    padding: 7px 10px; border-radius: var(--v4-radius-sm); border-left: 2px solid transparent;
    transition: all 0.15s;
}
.toc-link:hover { background: var(--v4-off-white); color: var(--v4-navy-900); }
.toc-link.is-active { color: var(--v4-gold-dark); font-weight: 600; background: var(--v4-gold-soft); border-left-color: var(--v4-gold); }
.toc-link.toc-level-3 { padding-left: 22px; font-size: 12.5px; }

/* ── TABLE OF CONTENTS (mobile collapsible, hidden on desktop) ── */
.blog-toc-mobile { display: none; }
.blog-toc-mobile-toggle {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    background: #fff; border: 1px solid var(--v4-line); border-radius: var(--v4-radius-sm);
    padding: 14px 16px; font-size: 14px; font-weight: 600; color: var(--v4-navy-900);
    cursor: pointer; margin-bottom: 0;
}
.blog-toc-mobile-toggle i:last-child { transition: transform 0.2s; font-size: 12px; color: var(--v4-ink-soft); }
.blog-toc-mobile-toggle.is-open i:last-child { transform: rotate(180deg); }
.blog-toc-mobile-list {
    max-height: 0; overflow: hidden; background: #fff; border: 1px solid var(--v4-line); border-top: none;
    border-radius: 0 0 var(--v4-radius-sm) var(--v4-radius-sm); transition: max-height 0.25s var(--v4-ease);
}
.blog-toc-mobile-list.is-open { max-height: 400px; overflow-y: auto; }
.blog-toc-mobile-list .toc-link { padding: 10px 16px; border-radius: 0; border-left: none; border-bottom: 1px solid var(--v4-line); }
.blog-toc-mobile-list .toc-link:last-child { border-bottom: none; }
.blog-toc-mobile-list .toc-link.toc-level-3 { padding-left: 30px; }

/* ── CONTENT TYPOGRAPHY ── */
.blog-post-content { font-size: 16.5px; line-height: 1.85; color: var(--v4-ink); }
.blog-post-content h2 {
    font-size: 26px; margin: 44px 0 18px; padding-top: 8px; scroll-margin-top: calc(var(--v4-header-h) + 20px);
}
.blog-post-content h3 {
    font-size: 20px; margin: 34px 0 14px; scroll-margin-top: calc(var(--v4-header-h) + 20px);
}
.blog-post-content h2:first-child, .blog-post-content h3:first-child { margin-top: 0; }
.blog-post-content p { margin: 0 0 22px; }
.blog-post-content ul, .blog-post-content ol { margin: 0 0 22px; padding-left: 26px; }
.blog-post-content li { margin-bottom: 10px; }
.blog-post-content li::marker { color: var(--v4-gold-dark); }
.blog-post-content a { color: var(--v4-gold-dark); text-decoration: underline; text-underline-offset: 2px; font-weight: 500; }
.blog-post-content strong { color: var(--v4-navy-900); font-weight: 700; }
.blog-post-content img { max-width: 100%; border-radius: var(--v4-radius-sm); margin: 28px 0; box-shadow: var(--v4-shadow-sm); }
.blog-post-content hr { border: none; border-top: 1px solid var(--v4-line); margin: 40px 0; }

.blog-post-content blockquote {
    position: relative; margin: 32px 0; padding: 22px 24px 22px 52px; border-left: 3px solid var(--v4-gold); background: #fff;
    border-radius: 0 var(--v4-radius-sm) var(--v4-radius-sm) 0; font-style: italic; color: var(--v4-ink-soft);
    box-shadow: var(--v4-shadow-sm);
}
.blog-post-content blockquote::before {
    content: '\201C'; position: absolute; left: 16px; top: 8px; font-family: 'Playfair Display', serif;
    font-size: 36px; font-style: normal; color: var(--v4-gold); opacity: 0.6; line-height: 1;
}
.blog-post-content blockquote p:last-child { margin-bottom: 0; }

.blog-post-content table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 14.5px; }
.blog-post-content table th, .blog-post-content table td { border: 1px solid var(--v4-line); padding: 12px 16px; text-align: left; }
.blog-post-content table th { background: var(--v4-navy-900); color: #fff; font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.02em; }
.blog-post-content table tr:nth-child(even) td { background: #fff; }
.blog-post-content table tr:nth-child(odd) td { background: var(--v4-off-white); }

.blog-post-content pre {
    background: var(--v4-navy-950); color: #e8edf2; padding: 18px 20px; border-radius: var(--v4-radius-sm);
    overflow-x: auto; margin: 24px 0; font-size: 13.5px; line-height: 1.6;
}
.blog-post-content code {
    background: var(--v4-off-white); color: var(--v4-gold-dark); padding: 2px 7px; border-radius: 4px;
    font-size: 0.9em; font-family: 'SFMono-Regular', Consolas, monospace;
}
.blog-post-content pre code { background: none; color: inherit; padding: 0; }

.blog-post-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--v4-line); }
.blog-tag { font-size: 12.5px; color: var(--v4-ink-soft); background: #fff; border: 1px solid var(--v4-line); padding: 6px 14px; border-radius: 999px; }

.blog-post-cta {
    margin-top: 48px; padding: 36px; background: var(--v4-navy-900); border-radius: var(--v4-radius-lg); text-align: center;
}
.blog-post-cta h3 { color: #fff; font-size: 22px; margin: 0 0 10px; }
.blog-post-cta p { color: rgba(255,255,255,0.7); margin: 0 0 22px; font-size: 14.5px; }

@media (max-width: 900px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Below this width the sidebar ToC would be too cramped to be useful
   alongside the content column, so switch to the mobile collapsible ToC
   placed inline above the content instead. */
@media (max-width: 980px) {
    .blog-post-layout { grid-template-columns: 1fr; max-width: 780px; }
    .blog-toc-sidebar { display: none; }
    .blog-toc-mobile { display: block; margin-bottom: 32px; }
}

@media (max-width: 640px) {
    .blog-grid { grid-template-columns: 1fr; }
    .blog-post-content { font-size: 15.5px; }
    .blog-post-layout { gap: 0; }
}