/* ═══════════════════════════════════════════════════════════════
   blog.css — Styles specific to the blog page
   Abdulaziz Mahdi Jawad · 2025
═══════════════════════════════════════════════════════════════ */

/* ─── PAGE HERO ──────────────────────────────────────────────── */
.blog-hero {
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.blog-hero-beam {
  position: absolute;
  top: -100px; right: 5%;
  width: 600px; height: 500px;
  background: radial-gradient(ellipse, rgba(91,143,255,0.06) 0%, transparent 70%);
  pointer-events: none;
  animation: beamPulse 6s ease-in-out infinite;
}
.blog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-2);
  background: rgba(91,143,255,0.08);
  border: 1px solid rgba(91,143,255,0.2);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  animation: fadeSlideDown 0.7s ease both;
}
.blog-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent-2);
  border-radius: 50%;
  animation: pulse 1.5s ease infinite;
}
.blog-hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1rem;
  animation: fadeSlideDown 0.7s 0.1s ease both;
}
.blog-hero-title span {
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.blog-hero-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  animation: fadeSlideDown 0.7s 0.2s ease both;
  line-height: 1.75;
}

/* ─── FILTER BAR ─────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeSlideDown 0.7s 0.3s ease both;
}
.filter-btn {
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover,
.filter-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(61,232,200,0.07); }
.filter-btn[data-cat="Cloud"].active    { border-color: var(--accent);   color: var(--accent);   background: rgba(61,232,200,0.07); }
.filter-btn[data-cat="DevOps"].active   { border-color: var(--accent-2); color: var(--accent-2); background: rgba(91,143,255,0.07); }
.filter-btn[data-cat="Flutter"].active  { border-color: var(--accent-3); color: var(--accent-3); background: rgba(199,125,255,0.07); }
.filter-btn[data-cat="API"].active      { border-color: #ffca5f;         color: #ffca5f;         background: rgba(255,202,95,0.07); }
.filter-btn[data-cat="Security"].active { border-color: #ff6b6b;         color: #ff6b6b;         background: rgba(255,107,107,0.07); }

/* ─── FEATURED POST ──────────────────────────────────────────── */
.featured-post {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  margin-bottom: 3rem;
  transition: var(--transition);
  position: relative;
  opacity: 0;
  transform: translateY(20px);
}
.featured-post.visible { opacity: 1; transform: translateY(0); }
.featured-post::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3)); }
.featured-post:hover { border-color: rgba(61,232,200,0.22); box-shadow: var(--glow); transform: translateY(-3px); }
.featured-visual { background: linear-gradient(135deg, rgba(61,232,200,0.06) 0%, rgba(91,143,255,0.1) 50%, rgba(199,125,255,0.06) 100%); display: flex; align-items: center; justify-content: center; min-height: 280px; position: relative; overflow: hidden; }
.featured-visual .art { font-size: 5rem; opacity: 0.7; filter: drop-shadow(0 0 30px rgba(61,232,200,0.4)); animation: floatArt 4s ease-in-out infinite; }
@keyframes floatArt {
  0%,100% { transform: translateY(0) rotate(-3deg); }
  50%      { transform: translateY(-12px) rotate(3deg); }
}
.featured-visual-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(61,232,200,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(61,232,200,0.04) 1px, transparent 1px); background-size: 32px 32px; }
.featured-body { padding: 2.5rem; }
.featured-badge { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.68rem; font-family: var(--font-mono); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); background: rgba(61,232,200,0.08); border: 1px solid rgba(61,232,200,0.2); padding: 0.25rem 0.7rem; border-radius: 50px; margin-bottom: 1rem; }
.featured-badge::before { content: '★'; font-size: 0.6rem; }
.featured-title { font-family: var(--font-display); font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.25; margin-bottom: 0.85rem; transition: var(--transition); }
.featured-post:hover .featured-title { color: var(--accent); }
.featured-excerpt { font-size: 0.88rem; color: var(--muted); line-height: 1.75; margin-bottom: 1.5rem; }
.post-meta { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; font-size: 0.75rem; color: var(--muted); font-family: var(--font-mono); }
.post-meta span { display: flex; align-items: center; gap: 0.3rem; }
.read-link { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.82rem; font-weight: 600; color: var(--accent); margin-top: 1.5rem; transition: var(--transition); }
.read-link:hover { gap: 0.7rem; }
.read-link svg { transition: var(--transition); }
.read-link:hover svg { transform: translateX(3px); }

/* ─── ARTICLE GRID ───────────────────────────────────────────── */
.articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.25rem; margin-bottom: 4rem; }
.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
  cursor: pointer;
}
.article-card.visible { opacity: 1; transform: translateY(0); }
.article-card:hover { border-color: rgba(61,232,200,0.2); box-shadow: var(--glow); transform: translateY(-4px); }
.article-card.hidden { display: none; }
.card-visual { height: 120px; display: flex; align-items: center; justify-content: center; font-size: 2.8rem; position: relative; overflow: hidden; }
.card-visual .grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px); background-size: 24px 24px; }
.card-visual .emoji { position: relative; z-index: 1; filter: drop-shadow(0 4px 16px rgba(0,0,0,0.5)); }
.card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.card-cat { font-size: 0.68rem; font-family: var(--font-mono); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.2rem 0.6rem; border-radius: 5px; display: inline-block; margin-bottom: 0.75rem; width: fit-content; }
.cat-Cloud    { color: var(--accent);   background: rgba(61,232,200,0.08);  border: 1px solid rgba(61,232,200,0.2); }
.cat-DevOps   { color: var(--accent-2); background: rgba(91,143,255,0.08);  border: 1px solid rgba(91,143,255,0.2); }
.cat-Flutter  { color: var(--accent-3); background: rgba(199,125,255,0.08); border: 1px solid rgba(199,125,255,0.2); }
.cat-API      { color: #ffca5f;         background: rgba(255,202,95,0.08);  border: 1px solid rgba(255,202,95,0.2); }
.cat-Security { color: #ff6b6b;         background: rgba(255,107,107,0.08); border: 1px solid rgba(255,107,107,0.2); }
.card-title { font-family: var(--font-display); font-size: 1rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.35; margin-bottom: 0.65rem; transition: var(--transition); }
.article-card:hover .card-title { color: var(--accent); }
.card-excerpt { font-size: 0.82rem; color: var(--muted); line-height: 1.7; flex: 1; margin-bottom: 1.25rem; }
.card-footer { display: flex; align-items: center; justify-content: space-between; font-size: 0.72rem; color: var(--muted); font-family: var(--font-mono); padding-top: 1rem; border-top: 1px solid var(--border); margin-top: auto; }
.card-footer .read-time { display: flex; align-items: center; gap: 0.3rem; }
.card-footer .arrow { color: var(--accent); transition: var(--transition); }
.article-card:hover .card-footer .arrow { transform: translateX(4px); }

/* ─── NEWSLETTER ─────────────────────────────────────────────── */
.newsletter {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.newsletter.visible { opacity: 1; transform: translateY(0); }
.newsletter::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent-2), var(--accent-3)); }
.newsletter-glow { position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(91,143,255,0.07) 0%, transparent 70%); pointer-events: none; }
.newsletter h2 { font-family: var(--font-display); font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.75rem; }
.newsletter h2 span { background: linear-gradient(135deg, var(--accent-2), var(--accent-3)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.newsletter p { font-size: 0.9rem; color: var(--muted); max-width: 440px; margin: 0 auto 2rem; line-height: 1.7; }
.newsletter-form { display: flex; gap: 0.75rem; max-width: 440px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.newsletter-input { flex: 1; min-width: 220px; padding: 0.75rem 1.1rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-family: var(--font-body); font-size: 0.88rem; outline: none; transition: var(--transition); }
.newsletter-input::placeholder { color: var(--muted); }
.newsletter-input:focus { border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(91,143,255,0.12); }
.newsletter-btn { padding: 0.75rem 1.5rem; background: linear-gradient(135deg, var(--accent-2), var(--accent-3)); color: #fff; font-family: var(--font-body); font-size: 0.88rem; font-weight: 700; border: none; border-radius: var(--radius); cursor: pointer; transition: var(--transition); white-space: nowrap; }
.newsletter-btn:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(91,143,255,0.3); }

/* ─── TOPICS ─────────────────────────────────────────────────── */
.topics-section { margin-bottom: 5rem; }
.topics-grid { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.topic-chip { font-size: 0.8rem; font-weight: 500; padding: 0.45rem 1rem; border-radius: 50px; border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; transition: var(--transition); font-family: var(--font-body); }
.topic-chip:hover { border-color: var(--accent); color: var(--accent); background: rgba(61,232,200,0.06); }

/* ─── PAGINATION ─────────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-bottom: 5rem; }
.page-btn { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border-radius: 8px; border: 1px solid var(--border); background: transparent; color: var(--muted); font-size: 0.85rem; font-family: var(--font-mono); cursor: pointer; transition: var(--transition); }
.page-btn:hover, .page-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(61,232,200,0.07); }

/* ─── BLOG RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 820px) {
  .featured-post { grid-template-columns: 1fr; }
  .featured-visual { min-height: 160px; }
}
@media (max-width: 500px) {
  .articles-grid { grid-template-columns: 1fr; }
  .newsletter { padding: 2rem 1.25rem; }
}