/* ===================================================
   INSIGHTS PAGE — Styles
   =================================================== */

/* ---------- PAGE HEADER ---------- */
.page-header {
  position: relative;
  z-index: 20;
  text-align: center;
  padding: 10rem 2rem 3rem;
}

.page-header__inner {
  max-width: 600px;
  margin: 0 auto;
}

.page-header__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(140, 180, 255, 0.6);
  margin-bottom: 1.25rem;
  padding: 0.4rem 1.2rem;
  border: 1px solid rgba(140, 180, 255, 0.15);
  border-radius: 100px;
}

.page-header__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 300;
  color: rgba(255,255,255,0.95);
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.page-header__subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  font-weight: 300;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
  margin: 0;
}

/* ---------- INSIGHTS PAGE LAYOUT ---------- */
.insights-page {
  position: relative;
  z-index: 20;
  padding: 2rem 0 6rem;
}

.insights-page__inner {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

/* ---------- FILTER BAR ---------- */
.insights-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 3rem;
  justify-content: center;
}

.insights-filter__btn {
  padding: 0.5rem 1.25rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all 0.3s ease;
}

.insights-filter__btn:hover {
  border-color: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
}

.insights-filter__btn--active {
  background: rgba(255,255,255,0.06);
  border-color: rgba(140, 180, 255, 0.3);
  color: rgba(140, 180, 255, 0.9);
}

/* ---------- ARTICLES LIST ---------- */
.insights-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ---------- ARTICLE CARD ---------- */
.article-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  transition: all 0.4s ease;
}

.article-card:hover {
  border-color: rgba(140, 180, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.article-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.article-card__image {
  position: relative;
  min-height: 180px;
  background: linear-gradient(135deg, rgba(140,180,255,0.06) 0%, rgba(80,140,255,0.03) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-card--featured .article-card__image {
  min-height: 260px;
}

.article-card__placeholder {
  width: 48px;
  height: 48px;
  color: rgba(140, 180, 255, 0.2);
  transition: all 0.4s ease;
}

.article-card__placeholder svg {
  width: 100%;
  height: 100%;
}

.article-card:hover .article-card__placeholder {
  color: rgba(140, 180, 255, 0.4);
  transform: scale(1.1);
}

.article-card__content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.article-card--featured .article-card__content {
  padding: 2rem;
  justify-content: center;
}

.article-card__category {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(140, 180, 255, 0.6);
  margin-bottom: 0.75rem;
}

.article-card__title {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 400;
  color: rgba(255,255,255,0.9);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
  transition: color 0.3s ease;
}

.article-card--featured .article-card__title {
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
}

.article-card:hover .article-card__title {
  color: rgba(255,255,255,1);
}

.article-card__excerpt {
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
  margin: 0 0 1rem;
}

.article-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.25);
}

.article-card__meta span:last-child {
  font-size: 1rem;
  color: rgba(140, 180, 255, 0.4);
  transition: all 0.3s ease;
}

.article-card:hover .article-card__meta span:last-child {
  color: rgba(140, 180, 255, 0.8);
  transform: translateX(4px);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .page-header {
    padding: 8rem 1.5rem 2rem;
  }

  .insights-list {
    grid-template-columns: 1fr;
  }

  .article-card--featured {
    grid-column: auto;
    display: flex;
  }

  .article-card__image {
    min-height: 140px;
  }

  .article-card--featured .article-card__image {
    min-height: 160px;
  }
}