.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.post-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s var(--ease-out), border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}
.post-card::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-spring);
}
.post-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 12px 24px -8px rgba(74, 127, 181, 0.25);
}
.post-card:hover::before {
  transform: scaleX(1);
}

.post-card__image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--panel-raised);
  overflow: hidden;
}
.post-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out);
}
.post-card:hover .post-card__image img {
  transform: scale(1.03);
}
.post-card__image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}
.post-card__image--placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.post-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px;
  gap: 8px;
}
.post-card__category {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--steel);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.post-card__title {
  font-family: "Oswald", sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card__excerpt {
  font-family: "Inter", sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.post-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--text-muted);
  align-items: center;
}
.post-card__date,
.post-card__read-time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.post-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px;
}
@media (max-width: 960px) {
  .post-detail {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 16px;
  }
}

.post-detail__image {
  position: sticky;
  top: 80px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-raised);
}
.post-detail__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-detail__content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.post-detail__category {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--steel);
}
.post-detail__title {
  font-family: "Oswald", sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}
@media (max-width: 640px) {
  .post-detail__title {
    font-size: 22px;
  }
}

.post-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--text-muted);
  align-items: center;
}
.post-detail__date,
.post-detail__read-time,
.post-detail__author {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.related-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.section__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 24px;
  gap: 24px;
}
.related-title {
  font-family: "Oswald", sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}
@media (max-width: 640px) {
  .section__header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .post-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .post-card,
  .post-card::before,
  .post-card__image img {
    transition: none !important;
  }
}

/* ============ Mobile Refinements (320-430px) ============ */

/* --- Post grid: 1-col --- */
@media (max-width: 480px) {
  .post-grid { gap: 12px; }
  .post-card { padding: 0; }
  .post-card__body { padding: 14px; gap: 6px; }
  .post-card__category { font-size: 9px; }
  .post-card__title { font-size: 16px; }
  .post-card__excerpt { font-size: 13px; line-height: 1.5; }
  .post-card__meta { gap: 8px; padding-top: 6px; }
  .post-card__date,
  .post-card__read-time { font-size: 10px; gap: 3px; }
}

/* --- Post detail: tighter --- */
@media (max-width: 480px) {
  .post-detail { padding: 20px 16px; gap: 20px; }
  .post-detail__image { top: 80px; }
  .post-detail__content { gap: 14px; }
  .post-detail__category { font-size: 9px; }
  .post-detail__title { font-size: clamp(22px, 6vw, 26px); }
  .post-detail__meta { gap: 10px; font-size: 10px; }
  .post-detail__date,
  .post-detail__read-time,
  .post-detail__author { font-size: 10px; }
}

/* --- Related section --- */
@media (max-width: 480px) {
  .related-section { padding: 32px 16px 60px; }
  .section__header { margin-bottom: 18px; gap: 16px; }
  .related-title { font-size: 18px; }
  .section__more { font-size: 12px; }
}

/* --- RTL specific for mobile --- */
@media (max-width: 480px) {
  [dir="rtl"] .post-card { direction: rtl; }
  [dir="rtl"] .post-card__body { direction: rtl; text-align: right; }
  [dir="rtl"] .post-detail { direction: rtl; }
  [dir="rtl"] .post-detail__content { direction: rtl; text-align: right; }
  [dir="rtl"] .related-section { direction: rtl; }
  [dir="rtl"] .section__header { direction: rtl; }
}

/* --- Hover guards for touch devices --- */
@media (hover: none) and (pointer: coarse) {
  .post-card:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border);
  }
  .post-card:hover::before {
    transform: none;
  }
  .post-card:hover .post-card__image img {
    transform: none;
  }
  .post-detail__image:hover img {
    transform: none;
  }
}