body { background: var(--paper); }

.post-header { max-width: var(--container); margin: 0 auto; padding: 80px var(--gutter) 56px; border-bottom: 1px solid var(--gray-200); }
@media(max-width:767px){ .post-header { padding-top: 56px; } }
.post-cover { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter) 40px; }
.post-cover img { width: 100%; max-width: 960px; display: block; margin: 0 auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 14px; border: 1px solid var(--gray-200); }

.post-header-inner { max-width: 760px; }
.post-meta { display: flex; gap: 10px; align-items: center; margin-bottom: 24px; flex-wrap: wrap; }
.post-cat { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 4px 10px; }
.post-dot { color: var(--gray-300); }
.post-date, .post-time, .post-author { font-family: var(--font-mono); font-size: 11px; color: var(--gray-400); letter-spacing: 0.06em; }
.post-title { font-family: var(--font-display); font-size: clamp(32px, 4.5vw, 56px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; color: var(--ink); margin-bottom: 28px; text-wrap: balance; }
.post-lede { font-size: 18px; color: var(--gray-600); line-height: 1.75; max-width: 640px; margin-bottom: 32px; }
.post-back { font-family: var(--font-mono); font-size: 12px; color: var(--gray-400); letter-spacing: 0.04em; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.post-back:hover { color: var(--ink); }

.post-body { max-width: var(--container); margin: 0 auto; padding: 64px var(--gutter) 96px; }
.post-content { max-width: 720px; }
.post-content h2 { font-family: var(--font-display); font-size: clamp(24px, 3vw, 34px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.15; color: var(--ink); margin: 56px 0 20px; }
.post-content h2:first-child { margin-top: 0; }
.post-content p { font-size: 16px; color: var(--gray-700, #374151); line-height: 1.78; margin-bottom: 20px; }
.post-content ul { margin: 0 0 20px 0; padding-left: 24px; }
.post-content li { font-size: 16px; color: var(--gray-700, #374151); line-height: 1.75; margin-bottom: 8px; }
.post-content strong { color: var(--ink); font-weight: 600; }
.post-content a:not(.btn) { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.post-content a:not(.btn):hover { color: var(--accent-deep, #1d4ed8); }
.post-content code { font-family: var(--font-mono); font-size: 14px; background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 4px; padding: 1px 6px; color: var(--ink); }

.post-cta { background: var(--navy); border-radius: 16px; padding: 40px 44px; margin: 56px 0; }
.post-cta h3 { font-family: var(--font-display); font-size: clamp(22px, 2.8vw, 30px); font-weight: 500; letter-spacing: -0.022em; color: white; margin-bottom: 12px; line-height: 1.2; }
.post-cta p { font-size: 15px; color: rgba(255,255,255,0.6); line-height: 1.65; margin-bottom: 28px; }
.post-cta .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: auto;
  max-width: 100%;
  white-space: nowrap;
  text-decoration: none;
  color: white;
}
.post-cta .btn:hover {
  color: white;
  text-decoration: none;
}
.post-cta .btn.btn-primary {
  background: white;
  color: var(--ink);
}
.post-cta .btn.btn-primary:hover {
  background: var(--accent);
  color: white;
}
@media(max-width:480px){ .post-cta{padding:28px 24px;} }

.post-related { border-top: 1px solid var(--gray-200); padding-top: 48px; margin-top: 56px; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
@media(max-width:600px){ .related-grid{grid-template-columns:1fr;} }
.related-card { background: white; border: 1px solid var(--gray-200); border-radius: 12px; padding: 20px 22px; text-decoration: none; color: inherit; transition: box-shadow 0.2s, transform 0.2s; display: block; }
.related-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.06); transform: translateY(-2px); }
.rc-cat { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.rc-title { font-size: 14px; color: var(--ink); font-weight: 500; line-height: 1.45; margin: 0; }

/* Reveal animation baseline */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal[style*="--i:1"] { transition-delay: 0.08s; }