/* ============================================================
   blog.css — Blog Landing Page Styles
   Nexus Living Hub · Session 25
   ============================================================ */

/* ── Blog Hero ── */
.blog-hero {
  min-height: 45vh;
  display: flex;
  align-items: center;
  padding: calc(72px + var(--space-2xl)) 0 var(--space-xl);
  background-color: var(--color-bg-primary);
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(201, 169, 110, 0.03) 40px,
    rgba(201, 169, 110, 0.03) 41px
  );
}

@media (min-width: 768px) {
  .blog-hero {
    padding: calc(72px + var(--space-2xl)) 0 var(--space-2xl);
  }
}

.blog-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  font-family: var(--font-accent);
  font-size: var(--small-size);
  color: var(--color-text-muted);
}
.blog-hero__breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.blog-hero__breadcrumb a:hover { color: var(--color-accent-gold); }
.blog-hero__breadcrumb-sep { color: var(--color-border); }

.blog-hero__inner {
  max-width: 680px;
}

.blog-hero h1 {
  font-family: var(--font-display);
  font-size: var(--h1-size);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: var(--lh-tight);
  margin: 0;
}

.blog-hero__rule {
  width: 60px;
  height: 2px;
  background: var(--color-accent-gold);
  margin: var(--space-md) 0;
  border: none;
}

.blog-hero__sub {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: var(--color-text-primary);
  line-height: var(--lh-relaxed);
  max-width: 600px;
  margin: 0;
}

@media (max-width: 767px) {
  .blog-hero { text-align: center; }
  .blog-hero__inner { max-width: 100%; }
  .blog-hero__rule { margin: var(--space-md) auto; }
  .blog-hero__sub { margin: 0 auto; }
}

/* ── Featured Post ── */
.blog-featured-section {
  background: var(--color-surface);
  padding: var(--space-2xl) 0;
}

.blog-featured-section__label {
  display: block;
  font-family: var(--font-accent);
  font-size: var(--small-size);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-sm);
}

.blog-featured-card {
  display: grid;
  grid-template-columns: 55% 45%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-md);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  text-decoration: none;
}
.blog-featured-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.blog-featured-card__image {
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: background 0.3s ease;
  min-height: 320px;
}
.blog-featured-card:hover .blog-featured-card__image {
  background: var(--color-border);
}
.blog-featured-card__image i {
  font-size: 3.5rem;
  color: var(--color-border);
}

.blog-featured-card__content {
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-md);
}

.blog-featured-tag {
  display: inline-block;
  background: var(--color-accent-gold);
  color: #fff;
  font-family: var(--font-accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  width: fit-content;
}

.blog-featured-title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 1.8vw + 0.5rem, 1.75rem);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: var(--lh-tight);
  margin: 0;
  transition: color 0.2s;
}
.blog-featured-card:hover .blog-featured-title {
  color: var(--color-accent-gold);
}

.blog-featured-excerpt {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  line-height: var(--lh-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

.blog-featured-meta {
  font-family: var(--font-accent);
  font-size: var(--small-size);
  color: var(--color-text-muted);
  margin: 0;
}

.blog-featured-link {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent-gold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.blog-featured-link:hover { color: var(--color-cta-hover); }

@media (max-width: 767px) {
  .blog-featured-card {
    grid-template-columns: 1fr;
  }
  .blog-featured-card__image {
    min-height: 220px;
  }
  .blog-featured-card__content {
    padding: var(--space-lg);
    gap: var(--space-sm);
  }
}

/* ── Category Filter Bar ── */
.blog-filter-section {
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 72px;
  z-index: 100;
}

.blog-filter-inner {
  padding: var(--space-sm) 0;
}

.blog-filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 0 4px;
}
.blog-filter-bar::-webkit-scrollbar { display: none; }

.blog-filter-btn {
  font-family: var(--font-accent);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-primary);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.25s ease;
}
.blog-filter-btn:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-accent-gold);
  color: var(--color-text-primary);
}
.blog-filter-btn.active {
  background: var(--color-accent-gold);
  color: #fff;
  border-color: var(--color-accent-gold);
}

/* ── Blog Content Layout ── */
.blog-content-section {
  background: var(--color-bg-primary);
  padding: var(--space-2xl) 0;
}

.blog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 1024px) {
  .blog-layout {
    grid-template-columns: 1fr 300px;
    gap: var(--space-xl);
    align-items: start;
  }
}

/* ── Blog Grid ── */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 600px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Blog Card ── */
.blog-card {
  background: var(--color-surface-raised);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.blog-card.hidden,
.blog-card.filtered-out {
  display: none;
}

.blog-card__image {
  aspect-ratio: 16 / 9;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: background 0.3s ease;
  flex-shrink: 0;
}
.blog-card:hover .blog-card__image {
  background: var(--color-border);
}
.blog-card__image i {
  font-size: 1.75rem;
  color: var(--color-border);
}

.blog-card__content {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.blog-card__tag {
  font-family: var(--font-accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  display: block;
}

.blog-card__title {
  font-family: var(--font-heading);
  font-size: clamp(0.9375rem, 1.2vw + 0.3rem, 1.125rem);
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
}
.blog-card__title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color 0.2s;
}
.blog-card__title a:hover { color: var(--color-accent-gold); }

.blog-card__excerpt {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

.blog-card__meta {
  font-family: var(--font-accent);
  font-size: 12px;
  color: var(--color-text-muted);
  display: flex;
  gap: 6px;
  align-items: center;
  margin-top: auto;
  padding-top: 8px;
}

/* ── No Results ── */
.blog-no-results {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-2xl);
  font-family: var(--font-body);
  color: var(--color-text-muted);
}

/* ── Load More ── */
.blog-load-more {
  text-align: center;
  padding: var(--space-xl) 0 0;
}

.blog-load-more__btn {
  font-family: var(--font-accent);
  font-size: var(--cta-size);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  background: transparent;
  color: var(--color-accent-gold);
  border: 2px solid var(--color-accent-gold);
  border-radius: var(--radius-sm);
  padding: 13px 32px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.blog-load-more__btn:hover {
  background: var(--color-accent-gold);
  color: #fff;
}

/* ── Sidebar ── */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

@media (min-width: 1024px) {
  .blog-sidebar {
    position: sticky;
    top: calc(72px + 53px + var(--space-lg));
  }
}

.sidebar-widget {
  background: var(--color-surface-raised);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.sidebar-widget__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

/* Categories */
.sidebar-categories__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sidebar-categories__item {
  border-bottom: 1px solid var(--color-border);
}
.sidebar-categories__item:last-child { border-bottom: none; }
.sidebar-categories__item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  font-family: var(--font-accent);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color 0.2s;
  cursor: pointer;
}
.sidebar-categories__item a:hover { color: var(--color-accent-gold); }
.sidebar-categories__count {
  font-size: 11px;
  color: var(--color-text-muted);
  background: var(--color-bg-secondary);
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

/* Popular Posts */
.sidebar-popular__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.sidebar-popular__item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}
.sidebar-popular__thumb {
  width: 60px;
  height: 45px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-border);
}
.sidebar-popular__title {
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-decoration: none;
  line-height: 1.4;
  display: block;
  transition: color 0.2s;
}
.sidebar-popular__title:hover { color: var(--color-accent-gold); }
.sidebar-popular__date {
  font-family: var(--font-accent);
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 4px;
  display: block;
}

/* Sidebar CTA */
.sidebar-cta {
  background: var(--color-accent-gold) !important;
  text-align: center;
}
.sidebar-cta .sidebar-widget__title {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.3);
  font-size: 1.0625rem;
}
.sidebar-cta__sub {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-md);
  line-height: 1.55;
}
.sidebar-cta__btn {
  font-family: var(--font-accent);
  font-size: var(--cta-size);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  background: #fff;
  color: var(--color-accent-gold);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  cursor: pointer;
  width: 100%;
  transition: background 0.3s ease, transform 0.2s ease;
}
.sidebar-cta__btn:hover {
  background: var(--color-text-on-dark);
  transform: scale(1.02);
}

/* ── CTA Strip ── */
.blog-cta-strip {
  background: var(--color-text-primary);
  padding: var(--space-2xl) 0;
  text-align: center;
}
.blog-cta-strip h2 {
  font-family: var(--font-heading);
  font-size: var(--h2-size);
  font-weight: 600;
  color: var(--color-text-on-dark);
  margin: 0 0 var(--space-sm);
  line-height: var(--lh-tight);
}
.blog-cta-strip p {
  font-family: var(--font-body);
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  max-width: 540px;
  margin: 0 auto var(--space-lg);
  line-height: var(--lh-relaxed);
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .blog-featured-card,
  .blog-card,
  .blog-filter-btn,
  .blog-load-more__btn,
  .sidebar-cta__btn {
    transition: none !important;
  }
  .blog-featured-card:hover,
  .blog-card:hover {
    transform: none !important;
  }
}