/* ===== BLOG LISTING PAGE — layered on assets/css/style.css ===== */

.public-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.public-header .container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.public-header .logo img { display: block; height: 34px; width: auto; }
.public-nav { display: flex; align-items: center; gap: 1.75rem; }
.public-nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: none;
}

.public-nav a:hover { color: var(--primary); }
.public-nav .btn-save { padding: 0.5rem 1.1rem; text-decoration: none; }

.blog-hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3rem 2rem 1.5rem;
  text-align: center;
}
.blog-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  color: var(--ink);
  margin: 0 0 0.75rem;
  line-height: 1.25;
}
.blog-hero h1 .accent { color: var(--primary); }
.blog-hero p {
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.55;
}

.blog-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1rem 2rem 4rem;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
  margin: 0 0 1rem;
}

/* horizontal filter bar reuses .activity-filters / .activity-filter-btn
   already defined in assets/css/style.css — nothing to add here */

.blog-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.blog-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.blog-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.blog-card .thumb { display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--bg); }
.blog-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-card-body { padding: 1.1rem 1.2rem 1.3rem; }
.blog-card .topic {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.6rem;
}
.blog-card h3 { margin: 0 0 0.5rem; font-size: 1.02rem; line-height: 1.35; }
.blog-card h3 a { color: var(--ink); text-decoration: none; font-weight: 700; }
.blog-card h3 a:hover { color: var(--primary); }
.blog-card .meta { font-size: 0.8rem; color: var(--ink-soft); display: flex; gap: 0.4rem; }
.blog-card.hidden-by-filter {
  display: none !important;
}
@media (max-width: 900px) {
  .blog-posts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .blog-posts-grid { grid-template-columns: 1fr; }
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  color: var(--ink);
  cursor: pointer;
  padding: 0;
}
.nav-toggle svg { width: 24px; height: 24px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle.open .icon-burger { display: none; }
.nav-toggle.open .icon-close { display: block; }

@media (max-width: 768px) {
  .public-header .container {
    flex-wrap: wrap;
  }
  .nav-toggle {
    display: flex;
  }
  .public-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    order: 3;
    margin-top: 1rem;
    border-top: 1px solid var(--line);
    padding-top: 0.75rem;
  }
  .public-nav.open {
    display: flex;
  }
  .public-nav a {
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }
  .public-nav a:last-child {
    border-bottom: none;
  }
  .public-nav .btn-save {
    margin-top: 0.5rem;
    text-align: center;
  }
}