/* ============================================================
   TECHCELER — insights.css
   ============================================================ */

.insights-page {
  background: var(--bg-page);
}

/* Featured article */
.featured {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  margin-bottom: 48px;
}
.featured__media {
  position: relative;
  min-height: 320px;
  background: linear-gradient(135deg, #1b2a3b, #7b5ea7 70%, #ff4d8b);
  display: flex;
  align-items: flex-end;
  padding: 28px;
  overflow: hidden;
}
.featured__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.featured__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(123, 94, 167, 0.45) 0%,
    rgba(13, 33, 55, 0.78) 100%
  );
}
.featured__media .tag-light {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.32);
}
.featured__body {
  padding: clamp(28px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured__body .meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--text-light);
  margin-bottom: 14px;
}
.featured__body h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 14px;
}
.featured__body p {
  font-size: 1.05rem;
  margin-bottom: 24px;
}
.read-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--purple);
}
.read-link svg {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}
.read-link:hover svg {
  transform: translateX(5px);
}
@media (max-width: 820px) {
  .featured {
    grid-template-columns: 1fr;
  }
}

/* Article grid + cards (insights listing) */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.article-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.article-card__thumb {
  height: 190px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  overflow: hidden;
}
.article-card__thumb.g1 { background: linear-gradient(135deg, #7b5ea7, #ff4d8b); }
.article-card__thumb.g2 { background: linear-gradient(135deg, #1b2a3b, #7b5ea7); }
.article-card__thumb.g3 { background: linear-gradient(135deg, #ff4d8b, #7b5ea7); }
.article-card__thumb.g4 { background: linear-gradient(135deg, #0d2137, #ff4d8b); }
.article-card__thumb.g5 { background: linear-gradient(135deg, #7b5ea7, #1b2a3b); }
.article-card__thumb.g6 { background: linear-gradient(135deg, #e05599, #7b3fa0); }
.article-card__thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.4s ease;
}
.article-card:hover .article-card__thumb img {
  transform: scale(1.05);
}
.article-card__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(123, 94, 167, 0.35) 0%,
    rgba(13, 33, 55, 0.72) 100%
  );
}
.article-card__thumb .tag-light {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.32);
}
.article-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card__body h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
}
.article-card__body p {
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.article-card__meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--text-light);
}
@media (max-width: 860px) {
  .article-grid {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 600px) and (max-width: 860px) {
  .article-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Filter chips */
.insight-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}
.chip {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}
.chip:hover,
.chip.active {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
}

/* Subscribe strip */
.subscribe {
  position: relative;
  background: linear-gradient(160deg, #1b2a3b, #0d2137);
  overflow: hidden;
}
.subscribe .mesh-blob:nth-child(1) {
  width: 420px;
  height: 420px;
  top: -160px;
  right: -40px;
  background: radial-gradient(circle, rgba(255, 77, 139, 0.4), transparent 70%);
}
.subscribe__panel {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  padding: clamp(36px, 5vw, 56px);
  border-radius: var(--radius-lg);
}
.subscribe__panel h2 {
  color: #fff;
  margin-bottom: 12px;
}
.subscribe__panel p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 28px;
}
.subscribe__form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin-inline: auto;
}
.subscribe__form .input {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.subscribe__form .input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}
@media (max-width: 520px) {
  .subscribe__form {
    flex-direction: column;
  }
}