.blog-index-page {
  background-color: var(--bg-white, #fff);
  font-family: "Inter", sans-serif;
}


.blog-hero {
  padding: 140px 0 40px 0;
  width: 100%;
  border: none;
}

.blog-hero-inner {
  max-width: 1800px;
  width: 94%;
  margin: 0 auto;
  text-align: left;
}

.blog-breadcrumb {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #b5b5b5;
  font-weight: 400;
  text-transform: uppercase;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin: 0;
  padding: 0;
  gap: 35px;
}

.breadcrumb-btn {
  cursor: pointer;
  transition: color 0.3s ease;
}
.breadcrumb-btn:hover {
  color: #888;
}
.breadcrumb-btn.active {
  color: #0066cc;
  font-weight: 600;
}

.divider {
  pointer-events: none;
}


.blog-controls-container {
  margin-top: 15px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  min-height: 45px;
}

.filters-panel,
.search-panel {
  display: flex;
  gap: 12px;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition:
    opacity 0.3s ease,
    background-color 0.3s ease,
    border-color 0.3s ease,
    transform 0.3s ease;
  position: absolute;
  top: 0;
}

.filters-panel.active,
.search-panel.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
}

.filter-tag {
  background: transparent;
  border: 1px solid var(--border-color, #ccc);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  color: var(--text-muted, #666);
  transition: all 0.3s ease;
  white-space: nowrap;
}
.filter-tag:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}
.filter-tag.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.blog-search-input {
  width: 300px;
  max-width: 90vw;
  padding: 10px 0;
  border: none;
  border-bottom: 2px solid var(--border-color, #ccc);
  border-radius: 0;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  background: transparent;
  color: var(--text-main, #1d1d1f);
  transition: border-color 0.3s ease;
}
.blog-search-input:focus {
  border-color: #0066cc;
}


.arch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 80px 40px;
  max-width: 1800px;
  width: 94%;
  margin: 0 auto;
  padding: 0 0 100px 0;
}


.arch-card {
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
  opacity: 0;
  transform: translateY(20px);
}
.arch-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.card-link {
  text-decoration: none;
  display: block;
}

.arch-image-wrapper {
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  margin-bottom: 15px;
}

.arch-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(100%);
  transition:
    filter 0.5s ease,
    transform 0.5s ease;
}

.arch-card:hover .arch-image-wrapper img {
  filter: grayscale(0%);
  transform: scale(1.02);
}


.arch-content {
  text-align: left;
}

.arch-card-title {
  font-size: 16px;
  font-weight: 700;
  color: #002c60;
  margin: 0 0 5px 0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.arch-card-location {
  font-size: 13px;
  color: #666;
  margin: 2px 0 0 0;
  font-weight: 400;
}


@media (max-width: 1100px) {
  .arch-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 850px) {
  .arch-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .arch-grid {
    grid-template-columns: 1fr;
  }
  .filters-panel {
    max-width: 100%;
    padding: 0 10px 10px 10px;
    overflow-x: auto;
    justify-content: flex-start;
  }
}


[data-theme="dark"] .arch-card-title {
  color: #fff;
}
[data-theme="dark"] .arch-card-location {
  color: #0066cc;
}
[data-theme="dark"] .blog-breadcrumb {
  color: #666;
}