/* ================================================================
   BLOG STYLES
   ================================================================ */

/* ── Blog Index ── */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.blog-card { overflow: hidden; text-decoration: none; display: block; }
.blog-card-img { height: 220px; overflow: hidden; position: relative; }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.85); transition: transform 0.5s ease, filter 0.3s; display: block; }
.blog-card:hover .blog-card-img img { transform: scale(1.06); filter: brightness(0.95); }
.blog-category {
  position: absolute; top: 16px; left: 16px;
  background: var(--blue); color: var(--navy);
  font-family: var(--ff-mono); font-size: 0.65rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 12px; border-radius: 3px; z-index: 2;
}
.blog-card-body { padding: 24px; }
.blog-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.blog-date { font-family: var(--ff-mono); font-size: 0.7rem; color: var(--muted); }
.blog-read { font-family: var(--ff-mono); font-size: 0.7rem; color: var(--muted); }
.blog-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--muted); }
.blog-card-body h3 { font-size: 1.1rem; color: var(--white); margin-bottom: 10px; line-height: 1.3; transition: color 0.2s; }
.blog-card:hover h3 { color: var(--blue); }
.blog-card-body p { color: var(--muted2); font-size: 0.87rem; line-height: 1.7; margin-bottom: 18px; }
.blog-read-more { color: var(--blue); font-family: var(--ff-mono); font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; display: flex; align-items: center; gap: 6px; transition: gap 0.2s; }
.blog-card:hover .blog-read-more { gap: 10px; }

/* Featured post */
.blog-card-featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1.4fr 1fr; }
.blog-card-featured .blog-card-img { height: 100%; min-height: 320px; }
.blog-card-featured .blog-card-body { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.blog-card-featured h3 { font-size: 1.5rem; }

/* Blog sidebar */
.blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.blog-sidebar { position: sticky; top: calc(var(--hh) + 24px); }
.sidebar-widget { background: var(--grad-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.sidebar-widget h4 { font-family: var(--ff-accent); font-size: 0.82rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--blue); margin-bottom: 18px; }
.sidebar-links li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.sidebar-links li:last-child { border-bottom: none; }
.sidebar-links a { color: var(--muted2); font-size: 0.87rem; transition: color 0.2s; }
.sidebar-links a:hover { color: var(--blue); }
.sidebar-cta { background: linear-gradient(135deg, rgba(14,165,233,0.15), rgba(0,255,224,0.05)); border-color: var(--border2); text-align: center; }
.sidebar-cta p { color: var(--muted2); font-size: 0.88rem; margin-bottom: 16px; line-height: 1.6; }
.sidebar-cta .btn { width: 100%; justify-content: center; }

/* ── Article Page ── */
.article-hero { padding: calc(var(--hh) + 72px) var(--pad) 60px; background: var(--navy2); position: relative; overflow: hidden; }
.article-hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(14,165,233,0.08) 0%, transparent 70%); pointer-events: none; }
.article-hero-inner { max-width: var(--max); margin: 0 auto; position: relative; z-index: 1; }
.article-category { display: inline-block; background: var(--blue); color: var(--navy); font-family: var(--ff-mono); font-size: 0.68rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 14px; border-radius: 3px; margin-bottom: 18px; }
.article-hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); max-width: 900px; margin-bottom: 18px; }
.article-hero-meta { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-bottom: 28px; }
.article-hero-meta span { font-family: var(--ff-mono); font-size: 0.72rem; color: var(--muted); }
.article-hero-img { margin-top: 36px; border-radius: var(--radius-lg); overflow: hidden; max-height: 500px; }
.article-hero-img img { width: 100%; height: 500px; object-fit: cover; display: block; }

.article-body-wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); display: grid; grid-template-columns: 1fr 280px; gap: 56px; padding-top: 56px; padding-bottom: 80px; align-items: start; }
.article-content { max-width: 780px; }
.article-content h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin: 40px 0 16px; color: var(--white); }
.article-content h3 { font-size: 1.2rem; margin: 28px 0 12px; color: var(--blue); }
.article-content p { color: var(--muted2); font-size: 0.95rem; line-height: 1.9; margin-bottom: 18px; }
.article-content ul, .article-content ol { padding-left: 0; margin-bottom: 18px; display: flex; flex-direction: column; gap: 10px; }
.article-content li { color: var(--muted2); font-size: 0.95rem; line-height: 1.7; padding-left: 22px; position: relative; }
.article-content ul li::before { content: '→'; position: absolute; left: 0; color: var(--blue); font-size: 0.85rem; }
.article-content ol { counter-reset: art-counter; }
.article-content ol li { counter-increment: art-counter; }
.article-content ol li::before { content: counter(art-counter) '.'; position: absolute; left: 0; color: var(--blue); font-weight: 700; font-size: 0.85rem; }
.article-content strong { color: var(--white); font-weight: 600; }
.article-content a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.article-callout { background: rgba(14,165,233,0.07); border: 1px solid var(--border2); border-left: 3px solid var(--blue); border-radius: var(--radius); padding: 22px 24px; margin: 28px 0; }
.article-callout p { margin: 0; color: var(--text); font-size: 0.93rem; }
.article-cta { background: linear-gradient(135deg, #071a30, #0d2540); border: 1px solid var(--border2); border-radius: var(--radius-lg); padding: 36px; text-align: center; margin: 48px 0; }
.article-cta h3 { margin-bottom: 10px; }
.article-cta p { color: var(--muted2); margin-bottom: 20px; font-size: 0.92rem; }
.article-share { display: flex; align-items: center; gap: 12px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.article-share span { font-family: var(--ff-mono); font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.share-btn { padding: 8px 16px; border-radius: 4px; font-size: 0.8rem; font-weight: 600; border: 1px solid var(--border); color: var(--muted2); background: none; transition: all 0.2s; cursor: none; }
.share-btn:hover { border-color: var(--blue); color: var(--blue); }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 48px; }
.art-nav-link { padding: 20px; background: var(--grad-card); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color 0.25s; }
.art-nav-link:hover { border-color: var(--border2); }
.art-nav-dir { font-family: var(--ff-mono); font-size: 0.68rem; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.art-nav-title { font-size: 0.9rem; color: var(--white); font-weight: 600; }

@media (max-width: 960px) { .blog-layout { grid-template-columns: 1fr; } .blog-sidebar { position: static; } .article-body-wrap { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .blog-grid { grid-template-columns: 1fr; } .blog-card-featured { grid-template-columns: 1fr; } .blog-card-featured .blog-card-img { min-height: 220px; } .article-nav { grid-template-columns: 1fr; } }