/* ============================================
   BOLT ABROAD — Blog Index & Post Styles
   ============================================ */

/* ---- PAGE HEADER ---- */
.page-header {
  background: var(--color-primary);
  color: #fff;
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
}

[data-theme='dark'] .page-header {
  background: var(--color-surface);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.page-header .section-label {
  color: var(--color-accent);
  opacity: 1;
}

.page-header-title {
  font-size: var(--text-2xl);
  color: #fff;
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

[data-theme='dark'] .page-header-title {
  color: var(--color-text);
}

.page-header-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.75);
  max-width: 52ch;
  margin-bottom: var(--space-8);
}

[data-theme='dark'] .page-header-sub {
  color: var(--color-text-muted);
}

/* ---- BLOG FILTERS ---- */
.blog-filters {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  transition:
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    color var(--transition-interactive);
}

.filter-tab:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.filter-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

[data-theme='dark'] .filter-tab {
  border-color: var(--color-border);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
}

[data-theme='dark'] .filter-tab:hover {
  background: var(--color-surface-dynamic);
  color: var(--color-text);
}

[data-theme='dark'] .filter-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.page-header .search-bar input {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.25);
  color: #fff;
}

.page-header .search-bar input::placeholder {
  color: rgba(255,255,255,0.5);
}

.page-header .search-bar input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent), transparent 70%);
  background: rgba(255,255,255,0.18);
}

.page-header .search-bar-icon {
  color: rgba(255,255,255,0.5);
}

/* ---- BLOG SECTION ---- */
.blog-section {
  background: var(--color-bg);
}

/* ---- FEATURED CARD ---- */
.blog-featured-row {
  margin-bottom: var(--space-10);
}

.blog-featured-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.blog-featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.blog-featured-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.blog-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-featured-card:hover .blog-featured-img img {
  transform: scale(1.03);
}

.blog-featured-img .badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--color-accent);
  color: #fff;
  z-index: 2;
}

.blog-featured-body {
  padding: var(--space-8) var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-featured-body h2 {
  font-size: var(--text-xl);
  line-height: 1.2;
  color: var(--color-primary);
  margin-block: var(--space-3) var(--space-4);
}

[data-theme='dark'] .blog-featured-body h2 {
  color: var(--color-text);
}

.blog-featured-body p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 46ch;
}

@media (max-width: 768px) {
  .blog-featured-card {
    grid-template-columns: 1fr;
  }
  .blog-featured-body {
    padding: var(--space-6);
  }
}

/* ---- BLOG GRID ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- ARTICLE PAGE ---- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr min(65ch, 100%) 1fr;
  gap: 0;
}

.article-layout > * {
  grid-column: 2;
}

.article-layout .full-bleed {
  grid-column: 1 / -1;
  width: 100%;
}

.article-layout .wide {
  grid-column: 1 / -1;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
}

/* ---- ARTICLE SIDEBAR LAYOUT ---- */
.article-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 65ch) 280px;
  gap: var(--space-12);
  align-items: start;
  padding-block: var(--space-12);
}

.article-sidebar {
  position: sticky;
  top: calc(80px + var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.sidebar-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.sidebar-widget h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.sidebar-post {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  text-decoration: none;
  color: var(--color-text);
}

.sidebar-post:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-post-img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-post-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-post h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-1);
}

.sidebar-post h4:hover {
  color: var(--color-accent);
}

.sidebar-post span {
  font-size: 11px;
  color: var(--color-text-faint);
}

@media (max-width: 900px) {
  .article-with-sidebar {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
}

/* ---- READING PROGRESS ---- */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-surface-offset);
  z-index: 200;
}

.reading-progress {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 0.1s linear;
}

/* ---- RELATED POSTS ---- */
.related-posts {
  background: var(--color-surface-offset);
  padding-block: var(--space-12);
  margin-top: var(--space-16);
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}

@media (max-width: 768px) {
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- ARTICLE HERO (full-bleed image with title overlay) ---- */
.article-hero {
  position: relative;
  width: 100%;
  height: clamp(400px, 55vh, 600px);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.article-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(10, 18, 32, 0.25) 40%,
    rgba(10, 18, 32, 0.82) 100%
  );
}

.article-hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--space-10) clamp(var(--space-6), 6vw, var(--space-16));
  padding-top: 0;
  max-width: var(--content-wide);
  margin-inline: auto;
}

.article-hero-content .breadcrumb {
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
}

.article-hero-content .breadcrumb a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
}

.article-hero-content .breadcrumb a:hover {
  color: #fff;
}

.article-hero-content .breadcrumb-sep {
  margin-inline: var(--space-2);
  opacity: 0.5;
}

.article-hero-content .badge {
  margin-bottom: var(--space-3);
}

.article-hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: var(--space-4);
  max-width: 18ch;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.article-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.75);
}

.article-hero-meta svg {
  opacity: 0.7;
  vertical-align: middle;
  margin-right: 4px;
}

/* Reduce top padding on article body since hero replaces the header */
.article-with-sidebar {
  padding-block: var(--space-8);
}


/* ---- BLOG GRID SPACING ---- */
.blog-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.blog-featured-row {
  margin-bottom: var(--space-12);
}

/* ---- PAGE HEADER VARIANTS ---- */
.page-header--with-image {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
}

.page-header--with-image .page-header-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.45) saturate(0.9);
  z-index: 0;
}

.page-header--with-image .container {
  position: relative;
  z-index: 1;
}

.page-header--with-image .page-header-title {
  color: #fff;
}

.page-header--with-image .page-header-sub {
  color: rgba(255,255,255,0.8);
}

.page-header--with-image .section-label {
  color: var(--color-accent);
  opacity: 1;
}

/* ---- DESTINATION FILTER GRID (blog page) ---- */
.dest-filter-section {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-8);
}

.dest-filter-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
}

@media (max-width: 900px) {
  .dest-filter-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .dest-filter-grid { grid-template-columns: repeat(2, 1fr); }
}

.dest-card--filter {
  cursor: pointer;
  border: 2px solid transparent;
  transition:
    transform var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
  /* Reset button styles */
  padding: 0;
  background: none;
  text-align: left;
}

.dest-card--filter:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.dest-card--filter.active {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent), transparent 75%);
}