.materials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.material-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 14px 38px rgba(6, 21, 74, .06);
  overflow: hidden;
}

.material-card__thumb {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.material-card__body {
  display: grid;
  gap: 12px;
  padding: 28px;
}

.material-card__body small {
  color: var(--blue);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.material-card__body h2 {
  margin: 0;
  color: var(--navy3);
  font-size: 24px;
  line-height: 1.25;
}

.material-card__body p {
  margin: 0;
  color: var(--muted);
  flex: 1;
}

.material-detail-card {
  overflow: hidden;
}

.page-intro--material-video {
  padding: 34px 0 20px;
  background: linear-gradient(180deg, rgba(6, 21, 74, .06), rgba(244, 247, 251, .72));
}

.material-hero-video {
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(6, 21, 74, .08);
  box-shadow: 0 24px 60px rgba(6, 21, 74, .12);
  background: #06154a;
}

.material-hero-video .video-frame {
  position: relative;
  padding-top: 56.25%;
  border-radius: 0;
  overflow: hidden;
  background: #06154a;
}

.material-hero-video .video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.material-detail-card--video .article-card__content {
  padding-top: 34px;
}

.material-video-block {
  padding-top: 34px;
}

.material-detail-card--video .material-video-block {
  padding: 0;
}

.material-detail-card--video .video-frame {
  position: relative;
  padding-top: 56.25%;
  border-radius: 0;
  overflow: hidden;
  background: #06154a;
}

.material-detail-card--video .video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.material-detail-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.material-detail-title {
  margin: 0;
  color: var(--navy3);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.04em;
}

.material-detail-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.material-detail-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.material-detail-meta div {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #f7f9fe;
}

.material-detail-meta strong {
  color: var(--navy3);
}

.material-detail-meta span,
.material-detail-note {
  color: var(--muted);
}

.material-detail-note {
  margin-top: 28px;
}

.material-detail-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.material-sidebar {
  position: sticky;
  top: 140px;
}

@media (max-width: 980px) {
  .materials-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .materials-grid {
    grid-template-columns: 1fr;
  }

  .page-intro--material-video {
    padding: 18px 0 8px;
  }

  .material-hero-video {
    border-radius: 18px;
  }

  .material-detail-meta {
    grid-template-columns: 1fr;
  }
}