/* ============================================================
   VERNAL — blog.css
   Blog index page styles.
   Source: WD Blog Index v1.
   Nav, footer, .eyebrow, .container-prose live in components.css.
   ============================================================ */

/* ============================================================
   PAGE HEADER
   ============================================================ */

.page-header {
  background: var(--c-bg);
  padding: var(--sp-8) 0 var(--sp-6);
  border-bottom: 1px solid var(--c-border-subtle);
}

.page-header-inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

@media (min-width: 640px) {
  .page-header-inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.page-h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.025em;
  line-height: 1.05;
}

.page-sub {
  font-size: 15px;
  color: var(--c-text-3);
  margin-top: var(--sp-2);
}

.rss-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-3);
  flex-shrink: 0;
  padding-bottom: 4px;
  transition: color var(--t-fast) var(--ease);
}

.rss-link:hover { color: var(--c-secondary); }

.rss-dot {
  width: 8px;
  height: 8px;
  background: var(--c-secondary);
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.7;
}

/* ============================================================
   BLOG CONTENT AREA
   ============================================================ */

.blog-content {
  background: var(--c-surface);
  min-height: 60vh;
  padding-bottom: var(--sp-9);
}

/* ============================================================
   TAG FILTERS
   ============================================================ */

.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--c-border-subtle);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-2);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-full);
  padding: 5px 14px;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
}

.tag-pill:hover {
  background: var(--c-surface-raised);
  color: var(--c-text);
}

.tag-pill.is-active {
  background: var(--c-primary);
  color: var(--c-text-on-primary);
  border-color: var(--c-primary);
}

/* ============================================================
   FEATURED POST
   ============================================================ */

.featured-post {
  margin-top: var(--sp-6);
  border-left: 3px solid var(--c-primary);
  padding-left: var(--sp-5);
}

.featured-label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-primary);
  opacity: 0.75;
  margin-bottom: var(--sp-3);
}

.featured-heading {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin-bottom: var(--sp-3);
  transition: color var(--t-fast) var(--ease);
}

.featured-post a:hover .featured-heading { color: var(--c-primary); }

.featured-excerpt {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-2);
  max-width: 640px;
  margin-bottom: var(--sp-4);
}

.featured-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.featured-date {
  font-size: 13px;
  color: var(--c-text-3);
  font-weight: 500;
}

.read-time {
  font-size: 13px;
  color: var(--c-text-3);
}

.featured-read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  margin-left: auto;
  transition: gap var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.featured-post a:hover .featured-read-more {
  gap: 7px;
  color: var(--c-primary-hover);
}

/* ============================================================
   POST LIST
   ============================================================ */

.post-list { margin-top: var(--sp-6); }

.post-list-heading {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text-3);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--c-border-subtle);
}

.post-item {
  display: block;
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--c-border-subtle);
  transition: background var(--t-fast) var(--ease);
}

.post-item:last-child { border-bottom: none; }

.post-item-inner { display: grid; gap: var(--sp-1); }

.post-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: 2px;
}

.post-item-date {
  font-size: 12px;
  color: var(--c-text-3);
  font-weight: 500;
  white-space: nowrap;
}

.post-item-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

.post-item-heading {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.5vw, 20px);
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 6px;
  transition: color var(--t-fast) var(--ease);
}

.post-item:hover .post-item-heading { color: var(--c-primary); }

.post-item-excerpt {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text-3);
}

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-7);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--c-border-subtle);
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-2);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 7px var(--sp-3);
  cursor: pointer;
  min-width: 36px;
  transition: all var(--t-fast) var(--ease);
}

.page-btn:hover { background: var(--c-surface-raised); color: var(--c-text); }

.page-btn.is-active {
  background: var(--c-primary);
  color: var(--c-text-on-primary);
  border-color: var(--c-primary);
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}