/* ============================================================
   BLOG / ARTICLES — blog.css
   ============================================================ */

/* ── Articles Hero ─────────────────────────────────────────── */
.blog-hero {
  position: relative;
  padding: 140px 0 80px;
  text-align: center;
  overflow: hidden;
}
.blog-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.blog-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,102,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.blog-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.blog-hero-orb.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,102,255,0.12), transparent 70%);
  top: -100px; left: -100px;
}
.blog-hero-orb.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,212,255,0.08), transparent 70%);
  bottom: 0; right: 0;
}
.blog-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 16px;
}
.blog-hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Category Filter ───────────────────────────────────────── */
.blog-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 56px;
}
.blog-filter-btn {
  padding: 7px 18px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  font-family: 'Poppins', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}
.blog-filter-btn:hover,
.blog-filter-btn.active {
  background: rgba(0,102,255,0.15);
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

/* ── Articles Grid ─────────────────────────────────────────── */
.articles-section {
  padding: 0 0 100px;
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

/* ── Article Card ──────────────────────────────────────────── */
.article-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
}
.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,102,255,0.35);
  box-shadow: 0 16px 40px rgba(0,0,0,0.25);
}
.article-card-img {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, rgba(0,102,255,0.15), rgba(0,212,255,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-radius: 0;
}
.article-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.article-card:hover .article-card-img img {
  transform: scale(1.04);
}
.article-card-img-icon {
  width: 56px;
  height: 56px;
  background: rgba(0,102,255,0.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
}
.article-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.article-category {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  background: rgba(0,212,255,0.1);
  padding: 3px 10px;
  border-radius: 100px;
}
.article-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.article-read-time {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: auto;
}
.article-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 10px;
}
.article-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
}
.article-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  text-decoration: none;
  transition: gap 0.2s;
}
.article-card-link:hover { gap: 10px; }

/* Stretch the link to cover the whole card */
.article-card-link::after {
  content: '';
  position: absolute;
  inset: 0;
}

/* ── Single Article Page ───────────────────────────────────── */
.article-hero {
  padding: 130px 0 60px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,102,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.article-hero-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.article-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.article-breadcrumb a:hover { color: var(--accent-cyan); }
.article-breadcrumb-sep { color: var(--text-muted); opacity: 0.4; }
.article-hero-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  background: rgba(0,212,255,0.1);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.article-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 20px;
}
.article-hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.article-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}
.article-author-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}
.article-meta-divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
}
.article-hero-date,
.article-hero-readtime {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── Article Body ──────────────────────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 60px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 100px;
  align-items: start;
}
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
}
.article-body {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
}
.article-body h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 40px 0 16px;
}
.article-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 28px 0 12px;
}
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text-primary); font-weight: 600; }
.article-body a { color: var(--accent-cyan); text-decoration: none; }
.article-body a:hover { text-decoration: underline; }
.article-body .article-cta-box {
  background: linear-gradient(135deg, rgba(0,102,255,0.12), rgba(0,212,255,0.06));
  border: 1px solid rgba(0,102,255,0.2);
  border-radius: 16px;
  padding: 32px;
  margin: 40px 0;
  text-align: center;
}
.article-body .article-cta-box h3 {
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: 10px;
}
.article-body .article-cta-box p { margin-bottom: 20px; }

/* ── Sidebar ───────────────────────────────────────────────── */
.article-sidebar {
  position: sticky;
  top: 100px;
}
.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
}
.sidebar-card-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.sidebar-service-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color 0.2s;
}
.sidebar-service-link:last-child { border-bottom: none; }
.sidebar-service-link:hover { color: var(--accent-cyan); }
.sidebar-cta {
  background: linear-gradient(135deg, rgba(0,102,255,0.15), rgba(0,212,255,0.08));
  border: 1px solid rgba(0,102,255,0.25);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}
.sidebar-cta-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.sidebar-cta-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}