/* ═══════════════════════════════════════════════════════════════════════════
   POST CARD — Liebling-inspired, image-dominant with author avatar
   ═══════════════════════════════════════════════════════════════════════════ */

.post-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-border);
  height: 20rem;
  transition: border-color var(--duration-normal) var(--ease-smooth),
              transform var(--duration-normal) var(--ease-snappy),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.post-card:hover {
  border-color: var(--color-border-bold);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .post-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* Bold category accent on left border */
.post-card:has(.post-card__tag[data-category="malware-analysis"]) { border-left-color: var(--color-cat-malware); }
.post-card:has(.post-card__tag[data-category="tool-dev"]) { border-left-color: var(--color-cat-tooldev); }
.post-card:has(.post-card__tag[data-category="industry-thoughts"]) { border-left-color: var(--color-cat-industry); }
.post-card:has(.post-card__tag[data-category="philosophy"]) { border-left-color: var(--color-cat-philosophy); }

.post-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

/* ── Image area ────────────────────────────────────────────────────────── */

.post-card__image-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-inset);
}

.post-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.post-card:hover .post-card__image {
  transform: scale(1.03);
}

/* ── Gradient placeholder (when no cover image) ────────────────────────── */

.post-card__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-bg-inset), var(--color-bg-raised));
}

.post-card__placeholder[data-category="malware-analysis"] {
  background: linear-gradient(135deg, rgba(231,76,60,0.15), var(--color-bg-inset));
}

.post-card__placeholder[data-category="tool-dev"] {
  background: linear-gradient(135deg, rgba(52,152,219,0.15), var(--color-bg-inset));
}

.post-card__placeholder[data-category="industry-thoughts"] {
  background: linear-gradient(135deg, rgba(243,156,18,0.15), var(--color-bg-inset));
}

.post-card__placeholder[data-category="philosophy"] {
  background: linear-gradient(135deg, rgba(155,89,182,0.15), var(--color-bg-inset));
}

/* ── Author avatar ─────────────────────────────────────────────────────── */

.post-card__avatar {
  position: absolute;
  bottom: var(--space-3);
  left: var(--space-3);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-raised);
  object-fit: cover;
  z-index: 2;
}

/* ── Featured badge ────────────────────────────────────────────────────── */

.post-card__featured-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-bg);
  background: var(--color-fg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  z-index: 2;
}

/* ── Content ────────────────────────────────────────────────────────────── */

.post-card__content {
  padding: var(--space-5) var(--space-5) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card__meta {
  margin-top: auto;
}

/* ── Tag pill ───────────────────────────────────────────────────────────── */

.post-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: lowercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

/* Category-specific colors */
.post-card__tag[data-category="malware-analysis"] { color: var(--color-cat-malware); }
.post-card__tag[data-category="tool-dev"] { color: var(--color-cat-tooldev); }
.post-card__tag[data-category="industry-thoughts"] { color: var(--color-cat-industry); }
.post-card__tag[data-category="philosophy"] { color: var(--color-cat-philosophy); }

/* ── Title ──────────────────────────────────────────────────────────────── */

.post-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-fg);
  margin-bottom: var(--space-2);
  transition: color var(--duration-fast) var(--ease-smooth);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card:hover .post-card__title {
  color: var(--color-accent);
}

/* ── Excerpt ────────────────────────────────────────────────────────────── */

.post-card__excerpt {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-fg-muted);
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Meta ───────────────────────────────────────────────────────────────── */

.post-card__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-fg-faint);
  letter-spacing: var(--tracking-wide);
}

/* ── Featured variant ───────────────────────────────────────────────────── */

.post-card--featured {
  border-color: var(--color-accent-glow);
}

/* ═══════════════════════════════════════════════════════════════════════════
   NEWSLETTER CTA
   ═══════════════════════════════════════════════════════════════════════════ */

.newsletter-cta {
  text-align: center;
  padding-top: var(--space-6);
  padding-bottom: var(--space-12);
}

.newsletter-cta__inner {
  padding: var(--space-12) var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-raised);
}

.newsletter-cta__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}

.newsletter-cta__desc {
  font-size: var(--text-base);
  color: var(--color-fg-muted);
  max-width: 36rem;
  margin: 0 auto var(--space-8);
  line-height: var(--leading-relaxed);
}

.newsletter-cta__btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  color: var(--color-bg);
  background: var(--color-accent);
  padding: var(--space-4) var(--space-10);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-smooth),
              transform var(--duration-fast) var(--ease-elastic);
}

.newsletter-cta__btn:hover {
  background: var(--color-accent-hover);
  color: var(--color-bg);
  transform: scale(1.03);
}

.newsletter-cta__fine {
  font-size: var(--text-xs);
  color: var(--color-fg-faint);
  margin-top: var(--space-4);
  margin-bottom: 0;
}