/* ============================================
   Articles Page Styles
   ============================================ */

/* FEATURED ARTICLE */
.art-feature {
  display: grid;
  grid-template-columns: 1fr;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  margin-bottom: 8px;
  transition: transform var(--t), box-shadow var(--t);
}

.art-feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.af-cover {
  background: linear-gradient(160deg, #0F0F0F 0%, #1E1E1E 50%, #0F0F0F 100%);
  color: #fff;
  padding: 64px 56px;
  position: relative;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
}

.af-decor {
  position: absolute;
  bottom: -120px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--accent), transparent 60%);
  opacity: 0.45;
  filter: blur(30px);
}

.af-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 720px;
}

.af-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(56px, 8vw, 120px);
  line-height: 0.94;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #fff;
}

.af-sub {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
  max-width: 540px;
}

.af-info {
  padding: 28px 56px;
}

.af-authors {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}

.af-authors > span {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.af-authors .avatar {
  border: 2px solid var(--bg-elevated);
  margin-left: -8px;
}

.af-authors .avatar:first-child { margin-left: 0; }

@media (max-width: 768px) {
  .af-cover { padding: 40px 28px; min-height: 360px; }
  .af-info { padding: 20px 28px; }
}

/* ARTICLE GRID */
.art-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 28px;
}

@media (max-width: 1024px) { .art-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .art-grid { grid-template-columns: 1fr; } }

.art-card {
  display: flex;
  flex-direction: column;
}

.art-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
  transition: transform var(--t), box-shadow var(--t);
  background: var(--bg-subtle);
}

.art-card:hover .art-cover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.art-info {
  padding-top: 16px;
}

.art-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.art-info h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 10px;
}

.art-excerpt {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.art-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* NEWSLETTER */
.art-newsletter {
  margin-top: 80px;
  background: var(--text-primary);
  color: var(--bg);
  padding: 64px;
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.art-newsletter::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  opacity: 0.3;
  filter: blur(20px);
  pointer-events: none;
}

.art-newsletter .newsletter-form {
  position: relative;
  z-index: 1;
}

.art-newsletter .newsletter-input input {
  background: transparent;
  color: #fff;
}

.art-newsletter .newsletter-input input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 900px) {
  .art-newsletter { padding: 40px; grid-template-columns: 1fr; }
}