/* ================================================
   BLOG STYLES — extends modern-tech.css
   ================================================ */

/* ─── Blog Hero ───────────────────────────────── */
.blog-hero {
  padding: calc(var(--nav-height) + 60px) 0 60px;
  position: relative;
  overflow: hidden;
}

/* ─── Blog Listing Grid ──────────────────────── */
.blog-listing {
  padding: 40px 0 120px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
}

/* ─── Blog Card ──────────────────────────────── */
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(79, 172, 254, 0.3);
  box-shadow: var(--glow-blue);
}

.blog-card-img,
.blog-card-img-link {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  display: block;
}

.blog-card-img img,
.blog-card-img-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

img.blog-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.blog-card:hover .blog-card-img img,
.blog-card:hover .blog-card-img-link img,
.blog-card:hover img.blog-card-img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.blog-tag {
  background: rgba(79, 172, 254, 0.1);
  color: var(--blue);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ─── Blog Search ────────────────────────────── */
.blog-search {
  max-width: 520px;
  margin: 0 auto;
  position: relative;
}

.blog-search-input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.blog-search-input::placeholder {
  color: var(--text-muted);
}

.blog-search-input:focus {
  border-color: rgba(79, 172, 254, 0.4);
  box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
}

.blog-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.blog-card[hidden] {
  display: none;
}

.blog-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 16px;
  display: none;
}

.blog-no-results.visible {
  display: block;
}

.blog-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  transition: gap var(--transition);
}

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

/* ─── Blog Post (Article Page) ───────────────── */
.blog-post-hero {
  padding: calc(var(--nav-height) + 60px) 0 40px;
  position: relative;
  overflow: hidden;
}

.blog-post-hero .container {
  max-width: 800px;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.blog-post-title {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
  line-height: 1.2;
}

.blog-post-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── Blog Post Content ──────────────────────── */
.blog-post-content {
  padding: 40px 0 120px;
}

.blog-post-content .container {
  max-width: 800px;
}

.blog-post-content h2 {
  font-size: 28px;
  margin: 48px 0 16px;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-post-content h3 {
  font-size: 22px;
  margin: 36px 0 12px;
}

.blog-post-content p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.blog-post-content ul,
.blog-post-content ol {
  margin: 16px 0 24px 24px;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.8;
}

.blog-post-content li {
  margin-bottom: 8px;
}

.blog-post-content blockquote {
  border-left: 3px solid var(--blue);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-style: italic;
  font-size: 17px;
  line-height: 1.7;
}

.blog-post-content img {
  border-radius: var(--radius-md);
  margin: 32px 0;
}

.blog-post-content a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-post-content a:hover {
  color: var(--cyan);
}

/* ─── Back Link ──────────────────────────────── */
.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 32px;
  transition: color var(--transition);
}

.blog-back:hover {
  color: var(--blue);
}

/* ─── Featured Image ─────────────────────────── */
.blog-featured-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  aspect-ratio: 21 / 9;
}

.blog-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ─── CTA Banner in Post ─────────────────────── */
.blog-cta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin: 48px 0;
}

.blog-cta h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.blog-cta p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.blog-cta .btn-store {
  display: inline-flex;
}

/* ─── Responsive ─────────────────────────────── */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .blog-post-content .container {
    padding: 0 20px;
  }

  .blog-cta {
    padding: 28px 20px;
  }
}