/* ============================================================
   BLOG-POST.CSS
   Page-specific styles for blog-post.html
   ============================================================ */

/* ============================================================
   BLOG POST LAYOUT
   ============================================================ */

/* Same two-column grid as blog-index */
.blog-post__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: start;
}

@media (min-width: 1024px) {
  .blog-post__body {
    grid-template-columns: 1fr 300px;
    gap: calc(var(--gap) * 2);
  }
}

/* Related posts: no overrides needed - section--dark handles its own padding */

/* ============================================================
   ARTICLE
   ============================================================ */

.post-article {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

@media (min-width: 768px) {
  .post-article {
    gap: calc(var(--gap) * 2);
  }
}

.post-article__header {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.post-article__image {
  width: 100%;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: var(--slate-100);
}

.post-article__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================================================
   POST META
   ============================================================ */

.post-article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding-bottom: var(--gap);
  border-bottom: 1px solid var(--border);
}

.post-article__cat {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-secondary);
}

.post-article__meta-divider {
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--slate-300);
  flex-shrink: 0;
}

.post-article__date {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--slate-500);
}

.post-article__read-time {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--slate-400);
  margin-left: auto;
}

/* ============================================================
   SUMMARY BOX
   ============================================================ */

.post-summary {
  padding: var(--gap) 28px;
  background: oklch(from var(--gold-base) l c h / 0.06);
  border-left: var(--border-width) solid var(--gold-base);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.post-summary__title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: oklch(from var(--gold-base) calc(l - 0.1) c h);
}

.post-summary__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.post-summary__list li {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--slate-600);
  padding-left: 20px;
  position: relative;
}

.post-summary__list li::before {
  content: "-";
  position: absolute;
  left: 0;
  color: var(--gold-base);
  font-weight: 600;
}

/* ============================================================
   TABLE OF CONTENTS
   ============================================================ */

.post-toc {
  padding: var(--gap) 28px;
  background: var(--white);
  border-left: var(--border-width) solid var(--teal-primary);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.post-toc__title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-secondary);
}

.post-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: toc-counter;
}

.post-toc__item {
  counter-increment: toc-counter;
  border-top: 1px solid var(--border);
}

.post-toc__item:first-child {
  border-top: none;
}

.post-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--slate-600);
  text-decoration: none;
  transition: color 0.15s;
}

.post-toc__link::before {
  content: counter(toc-counter) ".";
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--teal-secondary);
  flex-shrink: 0;
  min-width: 16px;
}

.post-toc__link:hover {
  color: var(--teal-primary);
}

/* ============================================================
   BLOCKQUOTE
   ============================================================ */

.post-article__quote {
  padding: var(--gap) 28px;
  border-left: var(--border-width) solid var(--teal-secondary);
  background: oklch(from var(--teal-primary) l c h / 0.04);
}

.post-article__quote p {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 120%;
  line-height: 1.6;
  color: var(--slate-700);
  margin: 0;
}

/* ============================================================
   POST FOOTER: TAGS + SHARE
   ============================================================ */

.post-article__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.post-article__tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  align-self: center;
}

.post-article__share {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  align-self: stretch;
}

.post-article__share-list li {
  display: flex;
  align-items: center;
  align-self: stretch;
}

.post-article__share-list li + li {
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

.post-article__tags-label,
.post-article__share-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-400);
  white-space: nowrap;
}

.post-article__tag-list,
.post-article__share-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

.post-article__tag-list {
  gap: 6px;
}

.post-article__share-list {
  gap: 16px;
  align-items: center;
}

.post-article__tag {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate-500);
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid var(--border);
  background: var(--white);
  display: inline-flex;
  align-items: center;
  transition:
    border-color 0.15s,
    color 0.15s;
}

.post-article__tag:hover {
  border-color: var(--teal-300);
  color: var(--teal-primary);
}

.post-article__share-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--teal-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.post-article__share-link svg {
  flex-shrink: 0;
  color: var(--slate-400);
  transition: color 0.15s;
}

.post-article__share-link:hover {
  color: var(--teal-primary);
}

.post-article__share-link:hover svg {
  color: var(--teal-primary);
}

/* ============================================================
   AUTHOR BIO
   ============================================================ */

.post-article__author-bio {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 28px 32px;
  background: var(--white);
  border-top: var(--border-width) solid var(--teal-primary);
}

.post-article__author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--slate-200);
  flex-shrink: 0;
}

.post-article__author-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.post-article__author-name {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--slate-dark);
}

.post-article__author-role {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal-secondary);
}

.post-article__author-desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--slate-500);
  margin-top: 4px;
}

/* ============================================================
   NEXT POST SUMMARY
   ============================================================ */

.post-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  text-decoration: none;
  background: var(--white);
  border-top: var(--border-width) solid var(--teal-primary);
  transition: opacity 0.2s ease;
}

.post-next:hover {
  opacity: 0.85;
}

.post-next:hover .post-next__image img {
  transform: scale(1.03);
}

@media (min-width: 640px) {
  .post-next {
    grid-template-columns: 280px 1fr;
  }
}

.post-next__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--slate-100);
}

@media (min-width: 640px) {
  .post-next__image {
    aspect-ratio: auto;
    min-height: 200px;
  }
}

.post-next__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.post-next__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 28px 32px;
}

.post-next__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.post-next__title {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: var(--text-fluid-sub);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--slate-dark);
}

.post-next__excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--slate-500);
}

.post-next__cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--teal-secondary);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--teal-secondary) l c h / 0.3);
  text-underline-offset: 3px;
}