/* ═══════════════════════════════════════════
   BLOG PAGE STYLES
   Reference: seoul100dental.com/블로그
   ═══════════════════════════════════════════ */

/* Blog hero uses common .sub-hero; add sub text */
.sub-hero.blog-hero .sub-hero-sub {
  margin-top: 18px;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.82);
  letter-spacing: -0.01em;
}

/* ── Blog section wrapper ─────────────────────────────── */
.blog-section {
  padding: 120px 48px 160px;
  background: #fff;
}
.blog-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ── Intro (above filter) ─────────────────────────────── */
.blog-intro {
  text-align: center;
  margin-bottom: 56px;
}
.blog-intro .section-eyebrow {
  display: inline-block;
  margin-bottom: 12px;
}
.blog-intro .section-title {
  letter-spacing: -0.02em;
}
.blog-intro .section-desc {
  margin: 18px auto 0;
  max-width: 560px;
  color: var(--gray-500);
}

/* ── Category filter ──────────────────────────────────── */
.blog-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 auto 56px;
  max-width: 880px;
}
.blog-filter-btn {
  appearance: none;
  border: 1px solid var(--gray-100);
  background: #fff;
  color: var(--gray-500);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.blog-filter-btn:hover {
  border-color: var(--gold);
  color: var(--navy);
}
.blog-filter-btn.is-active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

/* ── Grid ─────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px 28px;
  margin-bottom: 56px;
}

/* ── Card ─────────────────────────────────────────────── */
.blog-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  border: 1px solid var(--gray-100);
}
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(12, 27, 46, 0.08);
  border-color: transparent;
}

.blog-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1.7 / 1;
  background: var(--off-white);
  overflow: hidden;
}
.blog-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.blog-card:hover .blog-card-thumb img {
  transform: scale(1.04);
}
.blog-card-thumb.is-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-family: var(--font-en);
  font-size: 32px;
  letter-spacing: 0.15em;
  background: linear-gradient(135deg, var(--off-white) 0%, #e8e6e0 100%);
}

.blog-card-body {
  padding: 22px 24px 28px;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 10px;
}
.blog-card-cat {
  display: inline-block;
  padding: 3px 10px;
  background: var(--off-white);
  color: var(--navy);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.blog-card-date {
  color: var(--gray-400);
}

.blog-card-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--dark);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: calc(1.45em * 2);
}

.blog-card-summary {
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray-500);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: calc(1.65em * 2);
}

/* ── Status / Empty ───────────────────────────────────── */
.blog-status {
  text-align: center;
  color: var(--gray-400);
  font-size: 14px;
  padding: 20px 0;
}
.blog-status:empty { padding: 0; }
.blog-empty {
  text-align: center;
  color: var(--gray-500);
  font-size: 15px;
  padding: 40px 0;
}

/* ── Pagination ───────────────────────────────────────── */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.blog-pagination button,
.blog-pagination a {
  appearance: none;
  border: 1px solid var(--gray-100);
  background: #fff;
  color: var(--gray-500);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.blog-pagination button:hover,
.blog-pagination a:hover {
  border-color: var(--navy);
  color: var(--navy);
}
.blog-pagination .is-current {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.blog-pagination .is-current:hover {
  color: #fff;
}
.blog-pagination .is-disabled {
  color: var(--gray-100);
  cursor: not-allowed;
  pointer-events: none;
}
.blog-pagination .ellipsis {
  color: var(--gray-400);
  padding: 0 4px;
}

/* ── Outbound link ────────────────────────────────────── */
.blog-outbound {
  margin-top: 64px;
  text-align: center;
}
.blog-outbound .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .blog-section {
    padding: 80px 32px 120px;
  }
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 22px;
  }
}

@media (max-width: 640px) {
  .blog-section {
    padding: 60px 20px 100px;
  }
  .blog-intro {
    margin-bottom: 40px;
  }
  .blog-filter {
    margin-bottom: 40px;
    gap: 8px;
  }
  .blog-filter-btn {
    font-size: 13px;
    padding: 8px 16px;
  }
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .blog-card-title {
    font-size: 16px;
  }
}