/*
 * Sierra Collective — Blog index page styles
 */

.page { max-width: 900px; margin: 0 auto; padding: 56px 48px 96px; }

.filters { display: flex; align-items: center; gap: 8px; margin-bottom: 36px; flex-wrap: wrap; }
.filter-btn {
  padding: 5px 14px; border: 1px solid var(--border2); background: none;
  font-family: var(--font-body); font-size: 10px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
  cursor: crosshair; transition: all 0.15s;
}
.filter-btn:hover { border-color: var(--amber-dim); color: var(--amber); }
.filter-btn.active { border-color: var(--amber); color: var(--amber); background: rgba(200,134,46,0.08); }

.posts-grid { display: flex; flex-direction: column; gap: 1px; background: var(--border); }

.post-card {
  background: var(--bg2); padding: 28px 32px;
  text-decoration: none; color: inherit; display: block;
  transition: background 0.15s; position: relative;
}
.post-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 2px; height: 100%;
  background: var(--border2); transition: background 0.15s;
}
.post-card:hover { background: var(--bg3); }
.post-card:hover::before { background: var(--amber); }

.post-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }
.post-level {
  font-size: 9px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--amber-dim); border: 1px solid var(--border2); padding: 2px 8px;
}
.post-date { font-size: 11px; font-weight: 300; color: var(--muted); }
.post-instructor { font-size: 11px; font-weight: 600; letter-spacing: 0.06em; color: var(--muted); }

.post-title {
  font-family: var(--font-display); font-size: 22px; letter-spacing: 0.02em;
  text-transform: uppercase; margin-bottom: 8px;
}
.post-excerpt { font-size: 13px; font-weight: 300; color: var(--muted); line-height: 1.6; }

.empty-state { text-align: center; padding: 80px 0; }
.empty-state p { font-size: 13px; color: var(--muted); }

@media (max-width: 600px) { .page { padding: 36px 24px 64px; } }