/**
 * LỚP 3: HOME CSS (SEO Center Standard)
 * Chỉ tải trên trang chủ và trang danh mục BĐS
 * Dung lượng tối đa: 30 KB.
 */

/* ==========================================================================
   2. SECTION TẤT CẢ BẤT ĐỘNG SẢN & BỘ LỌC SIDEBAR (CHUẨN CHÂU REALTOR)
   ========================================================================== */
.bds-layout-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
}

/* CỘT TRÁI: SIDEBAR BỘ LỌC (CHUẨN CARD TRẮNG CHÂU REALTOR) */
.bds-sidebar {
  flex: 0 0 240px;
  width: 240px;
  max-width: 240px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.25rem 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  box-sizing: border-box;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.bds-sidebar:hover {
  border-color: #d35400;
  box-shadow: 0 6px 20px rgba(211, 84, 0, 0.08);
}

.sidebar-header-mobile {
  display: none;
}

.filter-group {
  margin-bottom: 1.5rem;
}
.filter-group:last-child {
  margin-bottom: 0;
}
.filter-group .filter-title {
  font-family: var(--font-family, 'Cabin', sans-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 0.75rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e2e8f0;
}
.filter-options {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.filter-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: #334155;
  user-select: none;
  font-family: var(--font-family, 'Cabin', sans-serif);
  transition: color 0.15s ease;
}
.filter-checkbox-label:hover {
  color: var(--color-primary, #d35400);
}
.filter-checkbox-label input[type="checkbox"] {
  accent-color: var(--color-primary, #d35400);
  width: 16px;
  height: 16px;
  border: 1.5px solid #cbd5e1;
  border-radius: 4px;
  cursor: pointer;
  margin: 0;
}

/* CỘT PHẢI: TIÊU ĐỀ + TOOLBAR + CARDS */
.bds-main-col {
  flex: 1 1 0;
  min-width: 0;
}

.all-bds-header {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-border-light, #e2e8f0);
  margin-bottom: 0.5rem;
}
.all-bds-title {
  font-family: var(--font-heading, 'STIX Two Text', serif) !important;
  font-size: 1.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
  line-height: 1.3;
  display: inline-block;
  background: var(--gradient-brand, linear-gradient(to right, var(--mainColor, #d35400) 0%, #e67e22 50%, #a04000 100%)) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}
.all-bds-toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 0.5rem 0 1.25rem 0;
}
.all-bds-sort {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-family, 'Cabin', sans-serif);
}
.all-bds-sort .sort-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e293b;
}
.sort-radio-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: #334155;
  user-select: none;
}
.sort-radio-label input[type="radio"] {
  accent-color: var(--color-primary, #d35400);
  width: 16px;
  height: 16px;
  cursor: pointer;
  margin: 0;
}

.bds-mobile-filter-bar {
  display: none;
  margin-bottom: 1rem;
}

/* KHỐI DANH SÁCH THẺ BĐS HÀNG NGANG */
.bds-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.bds-card.bds-card-horizontal {
  display: flex;
  flex-direction: row;
  align-items: center;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 10px 14px;
  gap: 1.25rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.bds-card.bds-card-horizontal:hover {
  border-color: #d35400;
  box-shadow: 0 10px 25px rgba(211, 84, 0, 0.12);
  transform: translateY(-2px);
}
.bds-card.bds-card-horizontal:hover .bds-card-title a {
  color: #d35400;
}
.bds-card.bds-card-horizontal .bds-card-thumb {
  flex: 0 0 350px;
  width: 350px;
  max-width: 38%;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  background-color: #f1f5f9;
}
.bds-card.bds-card-horizontal .bds-card-thumb a {
  display: block;
  width: 100%;
  height: 100%;
}
.bds-card.bds-card-horizontal .bds-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.bds-card.bds-card-horizontal:hover .bds-card-thumb img {
  transform: scale(1.04);
}
.bds-card.bds-card-horizontal .bds-badge-discount {
  position: absolute;
  top: 8px;
  right: 8px;
  left: auto !important;
  width: auto !important;
  max-width: fit-content !important;
  background: linear-gradient(90deg, #ff6026 0%, #fe3e33 55%, #ff204e 100%);
  color: #ffffff;
  font-family: var(--font-family, 'Cabin', sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  padding: 4px 11px;
  border-radius: 6px;
  z-index: 3;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.2px;
  box-sizing: border-box;
  -webkit-mask:
    radial-gradient(circle 4px at 0 50%, transparent 99%, #000 100%) 0 0 / 51% 100% no-repeat,
    radial-gradient(circle 4px at 100% 50%, transparent 99%, #000 100%) 100% 0 / 51% 100% no-repeat;
  mask:
    radial-gradient(circle 4px at 0 50%, transparent 99%, #000 100%) 0 0 / 51% 100% no-repeat,
    radial-gradient(circle 4px at 100% 50%, transparent 99%, #000 100%) 100% 0 / 51% 100% no-repeat;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
}
.bds-card.bds-card-horizontal .bds-card-info {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  gap: 0.45rem;
}
.bds-card.bds-card-horizontal .bds-card-title {
  font-family: var(--font-family, 'Cabin', sans-serif);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  color: #1e293b;
  margin: 0;
}
.bds-card.bds-card-horizontal .bds-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.bds-card.bds-card-horizontal .bds-card-title a:hover {
  color: var(--color-primary, #d35400);
}
.bds-card.bds-card-horizontal .bds-card-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #64748b;
  font-size: 0.95rem;
  font-weight: 500;
}
.bds-card.bds-card-horizontal .bds-pin-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke: #94a3b8;
}
.bds-card.bds-card-horizontal .bds-card-desc {
  color: #475569;
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bds-card.bds-card-horizontal .bds-card-action {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 0.85rem;
  text-align: right;
}
.bds-card.bds-card-horizontal .bds-card-price-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.bds-card.bds-card-horizontal .bds-price-current {
  color: #d35400;
  font-family: var(--font-family, 'Cabin', sans-serif) !important;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}
.bds-card.bds-card-horizontal .bds-price-old {
  color: #475569;
  font-family: var(--font-family, 'Cabin', sans-serif) !important;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: line-through;
  white-space: nowrap;
}
.bds-card.bds-card-horizontal .btn-card-desc {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand, linear-gradient(to right, var(--mainColor, #d35400) 0%, #e67e22 50%, #a04000 100%));
  color: #ffffff;
  font-family: var(--font-family, 'Cabin', sans-serif);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 9999px;
  padding: 0.55rem 1.8rem;
  min-width: 155px;
  height: 40px;
  box-shadow: 0 4px 14px rgba(211, 84, 0, 0.25);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}
.bds-card.bds-card-horizontal .btn-card-desc:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(211, 84, 0, 0.4);
  color: #ffffff;
}

@media (max-width: 992px) {
  .bds-card.bds-card-horizontal {
    gap: 1rem;
    padding: 10px 12px;
  }
  .bds-card.bds-card-horizontal .bds-card-thumb {
    flex: 0 0 260px;
    width: 260px;
  }
  .bds-card.bds-card-horizontal .bds-card-action {
    flex: 0 0 170px;
  }
  .bds-card.bds-card-horizontal .btn-card-desc {
    min-width: 140px;
    padding: 0.5rem 1.25rem;
    height: 38px;
  }
}

@media (max-width: 768px) {
  .all-bds-toolbar {
    justify-content: flex-start;
  }
  .bds-card.bds-card-horizontal {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem;
  }
  .bds-card.bds-card-horizontal .bds-card-thumb {
    flex: none;
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 9;
  }
  .bds-card.bds-card-horizontal .bds-card-action {
    flex: none;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    width: 100%;
    padding-top: 0.75rem;
    border-top: 1px solid #f1f5f9;
  }
  .bds-card.bds-card-horizontal .bds-card-price-wrap {
    align-items: flex-start;
  }
  .bds-card.bds-card-horizontal .btn-card-desc {
    min-width: auto;
    padding: 0.6rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .bds-card.bds-card-horizontal .bds-card-action {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  .bds-card.bds-card-horizontal .btn-card-desc {
    width: 100%;
  }
}

/* TOOLBAR & SORT */
.bds-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--color-border-light, #e2e8f0);
  border-bottom: 1px solid var(--color-border-light, #e2e8f0);
  margin-bottom: 2rem;
  font-size: 0.92rem;
}

.bds-filter-mobile-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: #ffffff;
  border: 1.5px solid #fed7aa;
  border-radius: 10px;
  font-weight: 600;
  color: var(--color-primary, #ea580c);
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(234, 88, 12, 0.08);
  transition: all 0.2s ease;
}
.bds-filter-mobile-trigger:hover {
  background: #fff7ed;
  border-color: #ea580c;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.15);
}
.bds-filter-mobile-trigger:active {
  transform: translateY(0);
}
.bds-filter-mobile-trigger svg {
  flex-shrink: 0;
  color: var(--color-primary, #ea580c);
}
.bds-filter-mobile-trigger span {
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .bds-filter-mobile-trigger {
    display: none;
  }
}

.bds-sort-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
  white-space: nowrap;
}
.sort-label {
  font-weight: 700;
  color: var(--color-text-dark, #0f172a);
  font-size: 0.9rem;
  white-space: nowrap;
}
.sort-option {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  color: var(--color-text-main, #475569);
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}
.sort-option:hover {
  color: var(--color-primary, #ea580c);
}
.sort-option input[type="radio"] {
  accent-color: var(--color-primary, #ea580c);
  cursor: pointer;
  width: 16px;
  height: 16px;
  margin: 0;
}
.sort-option:has(input:checked) {
  color: var(--color-primary, #ea580c);
  font-weight: 600;
}

/* MOBILE RESPONSIVE CHO BỘ LỌC (< 640px)
   Khắc phục lỗi lệch, vỡ dòng, co dúm chữ trong ảnh người dùng:
   - Hàng 1: Nút Lọc sản phẩm full-width cân đối, bấm mở Drawer mượt mà.
   - Hàng 2: Thanh Sắp xếp giá nền kem viền cam sang trọng, căn đều 2 bên (Space-between), không bao giờ rớt dòng.
*/
@media (max-width: 639px) {
  .bds-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    padding: 0.65rem 0;
    margin-bottom: 1.5rem;
  }
  .bds-filter-mobile-trigger {
    width: 100%;
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
  }
  .bds-sort-group {
    width: 100%;
    margin-left: 0;
    justify-content: space-between;
    background: #fffcf8;
    border: 1px solid #fed7aa;
    border-radius: 10px;
    padding: 0.45rem 0.85rem;
    box-sizing: border-box;
  }
  .sort-label {
    font-size: 0.85rem;
  }
  .sort-option {
    font-size: 0.85rem;
    gap: 0.35rem;
    padding: 0.2rem 0.35rem;
  }
}

/* 2-COLUMN LAYOUT: SIDEBAR + GRID */
.bds-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
@media (min-width: 1024px) {
  .bds-layout-grid {
    grid-template-columns: 280px 1fr;
    align-items: start;
  }
}

/* FILTER SIDEBAR */
.bds-sidebar {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  height: fit-content;
}
@media (min-width: 1024px) {
  .bds-sidebar {
    position: -webkit-sticky;
    position: sticky;
    top: 135px;
    align-self: start;
    z-index: 20;
    max-height: calc(100vh - 150px);
    overflow-y: auto;
  }
  .bds-sidebar::-webkit-scrollbar {
    width: 4px;
  }
  .bds-sidebar::-webkit-scrollbar-track {
    background: transparent;
  }
  .bds-sidebar::-webkit-scrollbar-thumb {
    background: #e2e8f0;
    border-radius: 4px;
  }
  .bds-sidebar::-webkit-scrollbar-thumb:hover {
    background: #cbd5e1;
  }
}
@media (max-width: 1023px) {
  .bds-sidebar {
    position: fixed;
    top: 0;
    left: -320px;
    width: 300px;
    height: 100vh;
    z-index: 100001;
    overflow-y: auto;
    border-radius: 0;
    transition: transform 0.3s ease;
  }
  .bds-sidebar.is-open {
    transform: translateX(320px);
  }
}

.bds-filter-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
  z-index: 100000;
}
.bds-filter-backdrop.is-open {
  display: block;
}

.sidebar-header-mobile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}
@media (min-width: 1024px) {
  .sidebar-header-mobile {
    display: none;
  }
}
.sidebar-title-mobile {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  font-size: 1.1rem;
}
.sidebar-close-mobile {
  background: transparent;
  border: none;
  cursor: pointer;
}

.filter-group {
  margin-bottom: 2rem;
}
.filter-group:last-child {
  margin-bottom: 0;
}
.filter-title {
  font-size: 1.05rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-dark);
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-primary-light);
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.filter-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--color-text-main);
  cursor: pointer;
  transition: color 0.2s;
}
.filter-checkbox-label:hover {
  color: var(--color-primary);
}
.filter-checkbox-label input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* CARDS GRID */
.bds-grid-wrap {
  position: relative;
}
.bds-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}
@media (min-width: 640px) {
  .bds-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1200px) {
  .bds-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* SPINNER LOADING */
.bds-loading-indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(2px);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(211, 84, 0, 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* PAGINATION */
.bds-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text-main);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  transition: all 0.2s ease;
}
.page-btn.active, .page-btn:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* DỰ ÁN TÂM ĐIỂM SECTION */
.featured-projects-section {
  background-color: #ffffff;
}
/* Quy tắc hiển thị:
   - Mobile (< 768px): Cố định đúng 2 dự án / 1 hàng (repeat(2, minmax(0, 1fr))).
     Dự án thứ 3 tự động xuống dòng mới (Hàng 2, Cột 1) cân đối, không bị kéo dãn toàn màn hình.
   - Tablet (640px - 1023px): 2 dự án / hàng.
   - Desktop (>= 1024px): 4 dự án / hàng.
*/
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}
@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
}
@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

.project-card {
  border-radius: var(--border-radius-lg, 14px);
  overflow: hidden;
  position: relative;
  background: #111827;
  box-shadow: var(--shadow-card, 0 4px 15px rgba(0, 0, 0, 0.08));
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(211, 84, 0, 0.25);
  outline: 2px solid #d35400;
  outline-offset: -2px;
}
.project-card-link {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
}
.project-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.project-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-card-thumb img {
  transform: scale(1.08);
}
.project-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 3rem 1rem 1rem 1rem;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.35) 30%, rgba(0, 0, 0, 0.9) 100%);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.project-name {
  color: #ffffff;
  font-family: var(--font-heading, "STIX Two Text", serif) !important;
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 0.35rem 0;
  line-height: 1.35;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}
.project-cta {
  font-family: var(--font-family, "Cabin", sans-serif) !important;
  font-size: 0.82rem;
  color: #ff8533;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: transform 0.2s ease, color 0.2s ease;
}
.project-card:hover .project-cta {
  color: #ffa966;
  transform: translateX(4px);
}

@media (max-width: 639px) {
  .project-card {
    border-radius: 12px;
  }
  .project-card-overlay {
    padding: 2.25rem 0.75rem 0.75rem 0.75rem;
  }
  .project-name {
    font-size: 0.88rem;
    margin-bottom: 0.25rem;
  }
  .project-cta {
    font-size: 0.78rem;
  }
}

/* BLOG CATEGORY NAV PILLS */
.blog-cat-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.blog-cat-nav a {
  display: inline-block;
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
  border-radius: 9999px;
  background: var(--color-bg-light);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
  white-space: nowrap;
  text-decoration: none;
}
.blog-cat-nav a:hover,
.blog-cat-nav a.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* SUB-CATEGORY PILLS (CẤP 2 - DỰ ÁN CON) */
.blog-subcat-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-top: -1.25rem;
  margin-bottom: 2rem;
  padding: 0.65rem 0.85rem;
  background: #fffcf8;
  border: 1px solid #fed7aa;
  border-radius: 12px;
}
.blog-subcat-nav-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ea580c;
  margin-right: 0.25rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.blog-subcat-nav a {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  font-size: 0.84rem;
  border-radius: 9999px;
  background: #ffffff;
  color: var(--color-text-main, #475569);
  border: 1px solid #fed7aa;
  transition: all 0.2s ease;
  white-space: nowrap;
  text-decoration: none;
}
.blog-subcat-nav a:hover,
.blog-subcat-nav a.active {
  background: var(--color-primary, #ea580c);
  color: #ffffff;
  border-color: #ea580c;
}

/* BLOG SECTION */
.blog-posts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}
@media (min-width: 640px) {
  .blog-posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .blog-posts-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(211, 84, 0, 0.12);
  border-color: #d35400;
}
.blog-card:hover .blog-card-title a {
  color: #d35400;
}
.blog-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.blog-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.blog-card:hover .blog-card-thumb img {
  transform: scale(1.06);
}

.blog-card-date {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-primary);
  color: #ffffff;
  text-align: center;
  border-radius: var(--border-radius-sm);
  padding: 4px 8px;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.date-day {
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
}
.date-month {
  font-size: 0.65rem;
  opacity: 0.9;
}

.blog-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.blog-card-title {
  font-size: 1.05rem;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-title a {
  color: var(--color-text-dark);
}
.blog-card-title a:hover {
  color: var(--color-primary);
}
.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-read-more {
  margin-top: auto;
  font-size: 0.85rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
}
.blog-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text-main);
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-semibold);
  transition: all 0.2s ease;
  text-decoration: none;
}
.blog-pagination .page-numbers.current,
.blog-pagination .page-numbers:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}