/* ================================================================
   POSTS / BLOG — posts.css
================================================================ */

/* ── Homepage Blog Strip ──────────────────────────────────────── */
.blog-preview-section { overflow: hidden; }

.blog-strip-wrapper {
  position: relative;
  overflow: hidden;
  padding: 24px 0 32px;
  mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}

.blog-strip {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: strip-scroll 50s linear infinite;
  padding: 8px 0;
}

.blog-strip:hover { animation-play-state: paused; }

@keyframes strip-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.bstrip-card {
  flex-shrink: 0;
  width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.bstrip-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.bstrip-img {
  position: relative;
  height: 170px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-secondary);
  flex-shrink: 0;
}

.bstrip-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(6,11,20,0.85) 100%);
}

.bstrip-type {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  background: rgba(6, 11, 20, 0.78) !important;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.bstrip-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.bstrip-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bstrip-excerpt {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bstrip-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.bstrip-meta i { margin-right: 4px; }

/* ── Reading Progress ─────────────────────────────────────────── */
#readingProgress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ── Ticker ───────────────────────────────────────────────────── */
.post-ticker {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  overflow: hidden;
  height: 40px;
  position: sticky;
  top: var(--nav-height);
  z-index: 90;
}

.ticker-label {
  flex-shrink: 0;
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
}

.ticker-viewport {
  flex: 1;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: ticker-slide 40s linear infinite;
  white-space: nowrap;
}

.ticker-track:hover { animation-play-state: paused; }

@keyframes ticker-slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.ticker-item {
  padding: 0 24px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

a.ticker-item:hover { color: var(--accent); }

.ticker-draft { opacity: 0.5; }

.ticker-type {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  color: var(--accent);
}

.ticker-sep {
  color: var(--border);
  padding: 0 4px;
  font-size: 0.6rem;
}

/* ── Post Type Badges ─────────────────────────────────────────── */
.post-type-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.pt-case-study  { background: rgba(0,212,255,0.12); color: var(--accent);   border: 1px solid rgba(0,212,255,0.25); }
.pt-learning    { background: rgba(16,185,129,0.12); color: var(--accent-3); border: 1px solid rgba(16,185,129,0.25); }
.pt-interview   { background: rgba(245,158,11,0.12); color: var(--accent-warn); border: 1px solid rgba(245,158,11,0.25); }
.pt-concepts    { background: rgba(139,92,246,0.12); color: var(--accent-2); border: 1px solid rgba(139,92,246,0.25); }

/* ── Post Tags ────────────────────────────────────────────────── */
.post-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.post-tag {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── Blog Filters ─────────────────────────────────────────────── */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
}

/* ── Featured Post ────────────────────────────────────────────── */
.featured-post {
  display: block;
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.featured-post::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

.featured-post:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.featured-post-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.featured-label {
  font-size: 0.72rem;
  color: var(--accent-warn);
  font-weight: 600;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 5px;
}

.featured-label i { font-size: 0.65rem; }

.featured-post-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 14px;
}

.featured-post-excerpt {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 24px;
}

.featured-post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.featured-post-meta i { margin-right: 4px; }

.read-more-link {
  margin-left: auto;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.featured-post:hover .read-more-link { gap: 10px; }

/* ── Blog Grid ────────────────────────────────────────────────── */
.blog-section .blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.blog-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.blog-card-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: 100%;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
}

a.blog-card-inner:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-read-time {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.blog-read-time i { margin-right: 4px; }

.blog-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.45;
  flex: 1;
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.blog-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Draft overlay */
.draft-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, var(--bg-secondary) 60%, transparent);
  padding: 16px 28px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

/* ── Subscribe ────────────────────────────────────────────────── */
.blog-subscribe {
  text-align: center;
  padding: 64px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.subscribe-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.8;
}

.blog-subscribe h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-subscribe p { color: var(--text-secondary); margin-bottom: 24px; }

.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
}

.subscribe-input {
  flex: 1;
  padding: 12px 18px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
}

.subscribe-input:focus {
  outline: none;
  border-color: var(--accent);
}

.subscribe-note {
  margin-top: 12px;
  font-size: 0.85rem;
  min-height: 1.2em;
}

/* ================================================================
   POST DETAIL PAGE
================================================================ */

/* ── Post Hero ────────────────────────────────────────────────── */
.post-hero {
  position: relative;
  padding: calc(var(--nav-height) + 60px) 0 60px;
  overflow: hidden;
}

.post-hero-inner { position: relative; z-index: 1; }

.post-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  margin-bottom: 28px;
  transition: color var(--transition);
}

.post-back-link:hover { color: var(--accent); }

.post-hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.post-date, .post-read-time {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 5px;
}

.post-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
  max-width: 760px;
}

.post-lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 24px;
}

.post-hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ── Post Layout ──────────────────────────────────────────────── */
.post-body { padding: 60px 0; }

.post-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
}

/* ── Table of Contents ────────────────────────────────────────── */
.post-toc {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.toc-inner {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.toc-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

#tocNav { display: flex; flex-direction: column; gap: 4px; }

.toc-link {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 5px 8px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: all var(--transition);
  line-height: 1.4;
}

.toc-link:hover { color: var(--accent); border-left-color: var(--accent); }
.toc-link.active { color: var(--accent); border-left-color: var(--accent); background: var(--accent-dim); }

/* ── Post Content ─────────────────────────────────────────────── */
.post-content {
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.post-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.post-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 12px;
}

.post-content p { margin-bottom: 20px; }

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-content ul,
.post-content ol {
  margin: 0 0 20px 24px;
  color: var(--text-secondary);
}

.post-content li { margin-bottom: 8px; }

.post-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--accent);
  background: var(--accent-dim);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-primary);
  font-style: italic;
}

.post-content pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
}

.post-content pre code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-3);
  background: none;
  padding: 0;
  border: none;
  white-space: pre;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 2px 7px;
  border-radius: 4px;
}

.post-content strong { color: var(--text-primary); font-weight: 600; }

/* ── Post Footer ──────────────────────────────────────────────── */
.post-footer { padding: 60px 0; }

.post-footer-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.tags-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-right: 4px;
}

.post-divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 0 0 40px;
}

/* ── Author Box ───────────────────────────────────────────────── */
.author-box {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 40px;
}

.author-avatar {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-avatar-initials {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--bg-primary);
  font-family: var(--font-mono);
}

.author-info { flex: 1; }

.author-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.author-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.author-bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.author-socials { display: flex; flex-wrap: wrap; gap: 10px; }

.author-social-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--bg-secondary);
  transition: all var(--transition);
}

.author-social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.post-nav-links { display: flex; justify-content: flex-start; }

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

  .post-toc { display: none; }
}

@media (max-width: 640px) {
  .featured-post { padding: 28px 24px; }
  .featured-post-meta { gap: 10px; }
  .read-more-link { margin-left: 0; }
  .subscribe-form { flex-direction: column; }
  .author-box { flex-direction: column; gap: 20px; }
  .post-title { font-size: 1.6rem; }
  .blog-section .blog-grid { grid-template-columns: 1fr; }
}