.home-materials-section {
  padding: 64px 0 76px;
  border-top: 1px solid #e8edf7;
  background: #fff;
}

.home-materials-header h2 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: clamp(29px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -.035em;
}

.home-materials-header p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.home-materials-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 25px 0 20px;
}

.home-materials-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.home-materials-topics a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 7px 16px;
  border: 1px solid #e2e8f4;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 3px 10px rgba(29, 56, 103, .035);
  color: #44526a;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.home-materials-topics a:hover,
.home-materials-topics a:focus-visible {
  border-color: #aec5f9;
  background: #edf3ff;
  color: var(--blue);
}

.home-materials-topics a.is-active {
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: 0 5px 12px rgba(30, 102, 255, .2);
  color: #fff;
}

.home-materials-all {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.home-materials-all span {
  font-size: 18px;
  line-height: 1;
  transition: transform .18s ease;
}

.home-materials-all:hover span { transform: translateX(3px); }

.home-materials-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.home-material-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #dfe7f3;
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(27, 53, 95, .055);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.home-material-card:hover {
  transform: translateY(-3px);
  border-color: #bfd0f5;
  box-shadow: 0 13px 28px rgba(27, 53, 95, .11);
}

.home-material-card-link {
  display: flex;
  height: 100%;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.home-material-card-link:focus-visible,
.home-materials-topics a:focus-visible,
.home-materials-all:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

.home-material-card-media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #eaf1fc;
}

.home-material-card-media > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .25s ease;
}

.home-material-card:hover .home-material-card-media > img { transform: scale(1.035); }

.home-material-card-fallback {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  background: linear-gradient(145deg, #e5eeff, #f7faff 65%, #d9e8ff);
}

.home-material-card-fallback img {
  display: block;
  width: min(50%, 144px);
  height: min(80%, 144px);
  object-fit: contain;
  filter: drop-shadow(0 8px 12px rgba(30, 65, 120, .15));
}

.home-material-card-topic {
  position: absolute;
  top: 12px;
  left: 12px;
  max-width: calc(100% - 24px);
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 3px 10px rgba(24, 42, 70, .12);
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}

.home-material-card-content {
  display: flex;
  min-height: 143px;
  flex: 1;
  flex-direction: column;
  padding: 16px 16px 14px;
}

.home-material-card-content h3 {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 750;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.home-material-card-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 18px;
}

.home-material-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 7px;
  color: #59687d;
  font-size: 11px;
  line-height: 1.35;
}

.home-material-card-meta span + span::before {
  margin-right: 7px;
  content: '·';
}

.home-material-card-arrow {
  color: var(--blue);
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  transition: transform .18s ease;
}

.home-material-card:hover .home-material-card-arrow { transform: translateX(3px); }

.home-materials-empty {
  grid-column: 1 / -1;
  padding: 28px;
  border: 1px solid #dfe7f3;
  border-radius: 13px;
  background: #f7faff;
}

.home-materials-empty p { margin: 0 0 8px; }
.home-materials-empty a { color: var(--blue); font-weight: 700; }

@media (max-width: 1100px) {
  .home-materials-toolbar { align-items: start; flex-direction: column-reverse; gap: 14px; }
  .home-materials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .home-materials-section { padding: 48px 0 58px; }
  .home-materials-header h2 { font-size: 28px; }
  .home-materials-header p { font-size: 14px; }
  .home-materials-toolbar { margin: 22px 0 18px; }
  .home-materials-topics {
    width: calc(100vw - 20px);
    flex-wrap: nowrap;
    overflow-x: auto;
    margin-right: -20px;
    padding: 2px 20px 8px 0;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }
  .home-materials-grid { grid-template-columns: 1fr; gap: 15px; }
  .home-material-card-content { min-height: 132px; }
}