/* blog.css — blog index + article pages */

.category-hero { margin-bottom: 28px; }
.category-hero h1 {
  font-size: 30px; font-weight: 700; color: var(--text-0);
  letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 10px;
}
.category-desc { font-size: 15px; color: var(--text-4); line-height: 1.6; max-width: 720px; }

/* ── Index grid ── */
.blog-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .blog-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .blog-list { grid-template-columns: 1fr; } }

.blog-card {
  display: flex; flex-direction: column;
  border-radius: 16px; overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--border);
  text-decoration: none; transition: border-color .12s, box-shadow .12s, transform .1s;
}
.blog-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.07); }

.blog-card-cover {
  width: 100%; aspect-ratio: 16 / 9;
  flex-shrink: 0;
}
.blog-card-body {
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px 16px 16px; flex: 1;
}
.blog-card-date { font-size: 12px; color: var(--text-6); }
.blog-card-title {
  font-size: 15px; font-weight: 600; color: var(--text-1);
  letter-spacing: -0.01em; line-height: 1.45;
  flex: 1;
}
.blog-card:hover .blog-card-title { color: var(--text-0); }
.blog-card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.blog-card-tag {
  font-size: 11px; font-weight: 500; color: var(--text-4);
  background: var(--bg-raised); border: 1px solid var(--border-base);
  border-radius: 20px; padding: 2px 9px; white-space: nowrap;
}

/* ── Article ── */
.blog-article { max-width: 720px; }
.blog-article-head { margin-bottom: 28px; }
.blog-date { font-size: 13px; color: var(--text-6); }
.blog-article-head h1 {
  font-size: 32px; font-weight: 700; color: var(--text-0);
  letter-spacing: -0.02em; line-height: 1.18; margin-top: 8px;
}
.blog-body { font-size: 16px; line-height: 1.75; color: var(--text-3); }
.blog-body h2 {
  font-size: 22px; font-weight: 700; color: var(--text-0);
  margin: 36px 0 14px; letter-spacing: -0.01em;
}
.blog-body h3 {
  font-size: 17px; font-weight: 600; color: var(--text-1);
  margin: 26px 0 10px;
}
.blog-body p { margin: 0 0 16px; }
.blog-body ul, .blog-body ol { margin: 0 0 16px; padding-left: 24px; }
.blog-body li { margin-bottom: 8px; }
.blog-body a { color: var(--text-1); text-decoration: underline; text-decoration-color: var(--border-eco); }
.blog-body a:hover { color: var(--accent); }
.blog-body strong { color: var(--text-1); font-weight: 600; }
.blog-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em;
  background: var(--bg-raised); border: 1px solid var(--border-base);
  border-radius: 5px; padding: 1px 5px;
}
.blog-body hr { border: none; border-top: 1px solid var(--line); margin: 28px 0; }