/* ══════════════════════════════════════════════════════════════════════════ */
/*  Blog Index — Public-Facing Homepage Styles                               */
/* ══════════════════════════════════════════════════════════════════════════ */

/* ── Page Header ────────────────────────────────────────────────────────── */
.blog-index-hero {
  padding: 140px 0 64px;
  text-align: center;
  background: linear-gradient(180deg, var(--purple-50) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.blog-index-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124,92,252,0.08), transparent 70%);
  pointer-events: none;
}

.blog-index-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 8px 0 16px;
  color: var(--text-primary);
}

.blog-index-hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Featured Article ───────────────────────────────────────────────────── */
.blog-featured-section {
  padding: 64px 0 0;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple-600);
  margin-bottom: 20px;
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  background: white;
  box-shadow: var(--shadow-md);
  transition: box-shadow 0.25s, transform 0.25s;
  text-decoration: none;
  color: inherit;
}

.featured-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.featured-card-visual {
  background: linear-gradient(135deg, #1a1a2e 0%, #2d1b69 50%, #4c1d95 100%);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.featured-card-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(124,92,252,0.15) 1px, transparent 1px);
  background-size: 20px 20px;
}

.featured-card-placeholder {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: rgba(124,92,252,0.2);
  border: 1px solid rgba(124,92,252,0.3);
  border-radius: var(--radius-lg);
  color: var(--purple-300);
}

.featured-card-content {
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.featured-card-content h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.featured-card-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 480px;
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--purple-600);
  transition: gap 0.2s;
}

.featured-card:hover .read-more-link {
  gap: 10px;
}

/* ── Category Tags ──────────────────────────────────────────────────────── */
.blog-category-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cat-case-study { background: #FEF3C7; color: #D97706; }
.cat-qa         { background: var(--purple-100); color: var(--purple-700); }
.cat-shopify    { background: #D1FAE5; color: #065F46; }
.cat-woo        { background: #EDE9FE; color: #5B21B6; }
.cat-client     { background: #FEE2E2; color: #B91C1C; }
.cat-workflow   { background: #DBEAFE; color: #1E40AF; }

.reading-time {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Category Filter Bar ────────────────────────────────────────────────── */
.blog-grid-section {
  padding: 56px 0 80px;
}

.category-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.cat-btn {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: white;
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
  text-decoration: none;        /* for <a> variants */
  display: inline-block;        /* for <a> variants */
}

.cat-btn:visited {
  color: var(--text-secondary); /* prevent browser visited colour on <a> */
}

.cat-btn:hover {
  border-color: var(--purple-300);
  color: var(--purple-600);
  background: var(--purple-50);
}

.cat-btn.active {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: white;
}

/* ── Article Grid ───────────────────────────────────────────────────────── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  display: flex;
  flex-direction: column;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  color: inherit;
}

.article-card:hover {
  border-color: var(--purple-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.article-card-img {
  background: linear-gradient(135deg, var(--purple-50) 0%, #EDE9FE 100%);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.article-card-placeholder {
  font-size: 2.5rem;
  user-select: none;
}

.article-card-body {
  padding: 22px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--text-primary);
  flex: 1;
}

.article-card-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: auto;
}

/* ── No Results ─────────────────────────────────────────────────────────── */
.no-results {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 40px 0;
  grid-column: 1 / -1;
}

/* ── CTA Banner ─────────────────────────────────────────────────────────── */
.blog-cta-banner {
  padding: 0 0 100px;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-card {
    grid-template-columns: 1fr;
  }

  .featured-card-visual {
    min-height: 200px;
  }

  .featured-card-content {
    padding: 36px 32px;
  }
}

@media (max-width: 768px) {
  .blog-index-hero {
    padding: 110px 0 48px;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .category-bar {
    gap: 6px;
  }

  .cat-btn {
    padding: 7px 14px;
    font-size: 0.82rem;
  }

  .featured-card-content {
    padding: 28px 24px;
  }
}