/* ============================================================
   NexVanza — Blog Styles  (blog.css)
   Self-contained: includes footer, reveal, and all blog UI.
   Load AFTER global.css only.
   ============================================================ */

/* ── Override body background for blog pages ── */
body { background: var(--dk-bg); }

/* ── Reveal animation (blog pages don't load index.css) ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Blog nav highlight ── */
.nav-blog { color: var(--cyan) !important; }

/* ══════════════════════════════════════════════
   BLOG HERO
══════════════════════════════════════════════ */
.blog-hero {
  background: var(--dk-surface);
  padding: 120px 24px 60px;
  border-bottom: 1px solid var(--dk-border);
  position: relative; overflow: hidden;
}
.blog-hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 10% 50%, rgba(14,165,233,.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 90% 30%, rgba(249,115,22,.05) 0%, transparent 70%);
  pointer-events: none;
}
.blog-hero-inner { max-width: 1200px; margin: auto; position: relative; }
.blog-eyebrow {
  font-family: 'Share Tech Mono', monospace;
  font-size: .68rem; letter-spacing: 4px; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 14px; display: block;
}
.blog-hero h1 {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700; line-height: 1.05;
  color: #fff; margin-bottom: 16px;
}
.blog-hero h1 em { font-style: normal; color: var(--orange); }
.blog-hero-desc {
  font-size: 1rem; color: var(--dk-muted);
  max-width: 600px; line-height: 1.8;
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-size: .72rem; color: var(--dk-muted);
  margin-bottom: 20px; flex-wrap: wrap;
}
.breadcrumb a { color: var(--dk-muted); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb span { color: rgba(255,255,255,.2); }
.breadcrumb strong { color: var(--dk-text); font-weight: 500; }

/* ══════════════════════════════════════════════
   PAGE CONTENT WRAPPER
══════════════════════════════════════════════ */
.blog-page { padding: 60px 24px 80px; }
.blog-page-inner { max-width: 1200px; margin: auto; }

/* ══════════════════════════════════════════════
   CATEGORY CARDS — BLOG HUB
══════════════════════════════════════════════ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.category-card {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: 14px; overflow: hidden;
  transition: all .3s; text-decoration: none;
  display: flex; flex-direction: column;
  position: relative;
}
.category-card:hover {
  transform: translateY(-6px);
  border-color: rgba(249,115,22,.35);
  box-shadow: var(--shadow-md);
}
.category-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--orange), #fbbf24);
  opacity: 0; transition: opacity .3s;
}
.category-card:hover::before { opacity: 1; }

.cat-card-header {
  padding: 28px 28px 20px;
  display: flex; align-items: flex-start; gap: 16px;
  flex: 1;
}
.cat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.cat-icon.orange { background: rgba(249,115,22,.12); }
.cat-icon.cyan   { background: rgba(14,165,233,.12); }
.cat-icon.violet { background: rgba(124,58,237,.12); }
.cat-icon.green  { background: rgba(5,150,105,.12); }
.cat-icon.amber  { background: rgba(245,158,11,.12); }
.cat-icon.blue   { background: rgba(59,130,246,.12); }

.cat-card-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.15rem; font-weight: 700;
  color: #fff; margin-bottom: 8px; letter-spacing: .5px;
  line-height: 1.2;
}
.cat-card-desc {
  font-size: .82rem; color: var(--dk-muted); line-height: 1.65;
}
.cat-card-footer {
  padding: 16px 28px 22px;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--dk-border);
}
.cat-post-count {
  font-size: .68rem; font-family: 'Share Tech Mono', monospace;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--dk-muted);
}
.cat-arrow {
  font-size: .78rem; color: var(--orange); font-weight: 700;
  letter-spacing: 1px; transition: transform .2s;
}
.category-card:hover .cat-arrow { transform: translateX(5px); }

/* ══════════════════════════════════════════════
   DATE FILTER BAR — CATEGORY PAGES
══════════════════════════════════════════════ */
.date-filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap;
  align-items: center; margin-bottom: 36px;
}
.date-filter-label {
  font-size: .68rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--dk-muted); margin-right: 4px; flex-shrink: 0;
}
.date-btn {
  padding: 7px 18px; border-radius: 20px;
  font-size: .75rem; font-weight: 600; letter-spacing: .5px;
  border: 1px solid var(--dk-border); background: transparent;
  color: var(--dk-muted); cursor: pointer; transition: all .2s;
}
.date-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.date-btn.active {
  background: var(--orange); border-color: var(--orange);
  color: #fff; box-shadow: 0 4px 12px rgba(249,115,22,.3);
}

/* ── Date group heading ── */
.date-group { margin-bottom: 40px; }
.date-group-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: .72rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 20px; padding-bottom: 12px;
  border-bottom: 1px solid var(--dk-border);
  display: flex; align-items: center; gap: 12px;
}

/* ══════════════════════════════════════════════
   POST CARDS GRID — CATEGORY LISTING
   Full-width row: 2 columns always, stretch to fill
══════════════════════════════════════════════ */
.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.post-card {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: 12px; padding: 26px 24px;
  transition: all .3s; text-decoration: none;
  display: flex; flex-direction: column;
  position: relative;
  width: 100%;
  min-width: 0;
}
.post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14,165,233,.3);
  box-shadow: var(--shadow-md);
}
.post-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), #3b82f6);
  opacity: 0; transition: opacity .3s; border-radius: 12px 12px 0 0;
}
.post-card:hover::before { opacity: 1; }

.post-card-meta {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.post-date-badge {
  font-family: 'Share Tech Mono', monospace;
  font-size: .65rem; letter-spacing: 1.5px;
  padding: 4px 10px; border-radius: 4px;
  background: rgba(14,165,233,.1); color: var(--cyan);
  border: 1px solid rgba(14,165,233,.2);
}
.post-read-time { font-size: .72rem; color: var(--dk-muted); }

.post-card h2 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.18rem; font-weight: 700; color: #fff;
  margin-bottom: 10px; line-height: 1.3; letter-spacing: .3px;
}
.post-card p {
  font-size: .84rem; color: var(--dk-muted);
  line-height: 1.72; flex: 1;
}
.post-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 18px; padding-top: 14px;
  border-top: 1px solid var(--dk-border);
}
.post-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.post-tag {
  font-size: .63rem; font-weight: 600; letter-spacing: .5px;
  text-transform: uppercase; padding: 3px 9px; border-radius: 4px;
  background: rgba(249,115,22,.1); color: var(--orange);
  border: 1px solid rgba(249,115,22,.15);
}
.post-read-link {
  font-size: .75rem; font-weight: 700; letter-spacing: 1px;
  color: var(--cyan); text-transform: uppercase; transition: color .2s;
  white-space: nowrap; margin-left: 8px;
}
.post-card:hover .post-read-link { color: var(--orange); }

/* ── Empty state ── */
.no-posts { text-align: center; padding: 60px 24px; color: var(--dk-muted); }
.no-posts p { font-size: .9rem; margin-top: 8px; }

/* ══════════════════════════════════════════════
   INDIVIDUAL BLOG POST PAGE
══════════════════════════════════════════════ */
.post-hero {
  background: var(--dk-surface);
  padding: 110px 24px 52px;
  border-bottom: 1px solid var(--dk-border);
}
.post-hero-inner { max-width: 820px; margin: auto; }
.post-meta-row {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap; margin-bottom: 20px;
}
.post-category-tag {
  font-size: .68rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; padding: 5px 14px; border-radius: 20px;
  background: rgba(249,115,22,.12); color: var(--orange);
  border: 1px solid rgba(249,115,22,.2);
}
.post-date  { font-family: 'Share Tech Mono', monospace; font-size: .7rem; letter-spacing: 1.5px; color: var(--dk-muted); }
.post-read-est { font-size: .72rem; color: var(--dk-muted); }

.post-hero h1 {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; line-height: 1.1; color: #fff; margin-bottom: 18px;
}
.post-subtitle { font-size: 1.05rem; color: var(--dk-muted); line-height: 1.72; }

/* ── Blog article body ── */
.post-body { padding: 56px 24px 80px; }
.blog-post-wrap { max-width: 820px; margin: auto; }
.post-content {
  font-size: 1rem; color: var(--dk-text); line-height: 1.85;
}
.post-content h2 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.55rem; font-weight: 700; color: #fff;
  margin: 44px 0 14px; padding-top: 8px;
  border-top: 1px solid var(--dk-border);
}
.post-content h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem; font-weight: 700; color: var(--cyan);
  margin: 32px 0 10px;
}
.post-content p { margin-bottom: 20px; color: var(--dk-muted); }
.post-content strong { color: var(--dk-text); font-weight: 600; }
.post-content ul, .post-content ol { padding-left: 22px; margin-bottom: 20px; }
.post-content li { color: var(--dk-muted); margin-bottom: 8px; line-height: 1.72; }
.post-content code {
  font-family: 'Share Tech Mono', monospace; font-size: .85em;
  background: var(--dk-panel); color: var(--cyan);
  padding: 2px 7px; border-radius: 4px; border: 1px solid var(--dk-border);
}
.post-content pre {
  background: var(--dk-panel); border: 1px solid var(--dk-border);
  border-radius: 10px; padding: 20px 24px; margin: 24px 0; overflow-x: auto;
}
.post-content pre code { background: none; border: none; padding: 0; font-size: .85rem; color: var(--dk-text); }
.post-content blockquote {
  border-left: 3px solid var(--orange); padding: 14px 20px;
  margin: 28px 0; background: rgba(249,115,22,.04); border-radius: 0 8px 8px 0;
}
.post-content blockquote p { color: var(--dk-text); margin: 0; }

/* ── Key takeaway box ── */
.takeaway-box {
  background: var(--dk-panel); border: 1px solid rgba(14,165,233,.2);
  border-left: 4px solid var(--cyan); border-radius: 0 12px 12px 0;
  padding: 20px 24px; margin: 32px 0;
}
.takeaway-label {
  font-family: 'Share Tech Mono', monospace; font-size: .65rem;
  letter-spacing: 2px; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 8px; display: block;
}
.takeaway-box p { color: var(--dk-text); margin: 0; font-size: .92rem; line-height: 1.72; }

/* ── Post navigation ── */
.post-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--dk-border);
}
.post-nav-link {
  background: var(--dk-surface); border: 1px solid var(--dk-border);
  border-radius: 10px; padding: 18px 20px;
  text-decoration: none; transition: all .25s; display: block;
}
.post-nav-link:hover { border-color: rgba(249,115,22,.3); transform: translateY(-2px); }
.post-nav-label { font-size: .65rem; letter-spacing: 2px; text-transform: uppercase; color: var(--dk-muted); margin-bottom: 6px; }
.post-nav-title { font-size: .88rem; font-weight: 600; color: var(--dk-text); line-height: 1.4; }
.post-nav-link.next { text-align: right; }

/* ── CTA box inside post ── */
.post-cta {
  background: var(--dk-panel); border: 1px solid var(--dk-border);
  border-radius: 14px; padding: 32px 36px; text-align: center; margin: 48px 0;
}
.post-cta h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 10px;
}
.post-cta p { color: var(--dk-muted); margin-bottom: 20px; font-size: .9rem; }
.post-cta a {
  display: inline-block; background: var(--orange); color: #fff;
  padding: 12px 32px; border-radius: 6px;
  font-family: 'Rajdhani', sans-serif; font-size: .95rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; text-decoration: none;
  transition: all .2s; box-shadow: 0 4px 16px rgba(249,115,22,.35);
}
.post-cta a:hover { background: var(--orange-glow); transform: translateY(-2px); }

/* ══════════════════════════════════════════════
   FOOTER — full styles (blog pages don't load index.css)
══════════════════════════════════════════════ */
footer {
  background: #f8fafc;
  border-top: 2px solid rgba(249,115,22,.15);
  padding: 56px 24px 36px;
}
.footer-top {
  max-width: 1200px; margin: 0 auto 48px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
.footer-logo {
  font-family: 'Rajdhani', sans-serif; font-size: 1.6rem; font-weight: 700;
  letter-spacing: 3px; color: #0f172a; margin-bottom: 12px;
}
.footer-logo span { color: var(--orange); }
.footer-tagline { font-size: .85rem; color: #64748b; line-height: 1.72; max-width: 260px; }
.footer-col h4 {
  font-family: 'Rajdhani', sans-serif; font-size: .78rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; color: #334155; margin-bottom: 18px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: .83rem; color: #64748b; text-decoration: none; transition: color .2s; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
  max-width: 1200px; margin: auto;
  border-top: 1px solid rgba(15,28,58,.09); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-size: .78rem; color: #64748b; }
.footer-made { font-size: .7rem; color: #94a3b8; font-family: 'Share Tech Mono', monospace; }

/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .blog-hero  { padding: 100px 20px 48px; }
  .blog-page  { padding: 40px 20px 60px; }
  .category-grid { grid-template-columns: 1fr; }
  .post-nav   { grid-template-columns: 1fr; }
  .post-hero  { padding: 100px 20px 40px; }
  .post-body  { padding: 40px 20px 60px; }
  .post-cta   { padding: 24px 20px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .post-grid  { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
}