/* IIRSI — Sponsors & partners page */

.iirsi-sponsors-grid-section {
  padding: 3rem 0 4rem;
  background: #eef2f2;
}

.iirsi-sponsors-grid-section__head {
  margin-bottom: 2rem;
  max-width: 40rem;
}

.iirsi-sponsors-grid-section__title {
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--dark-color);
  margin: 0 0 0.5rem;
}

.iirsi-sponsors-grid-section__sub {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--body-color);
  margin: 0;
}

.iirsi-sponsors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .iirsi-sponsors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .iirsi-sponsors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .iirsi-sponsors-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.iirsi-sponsor-card {
  background: var(--white-color);
  border: 1px solid rgba(6, 50, 50, 0.1);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(6, 50, 50, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.iirsi-sponsor-card:hover {
  transform: translateY(-3px);
  border-color: rgba(6, 50, 50, 0.18);
  box-shadow: 0 10px 28px rgba(6, 50, 50, 0.1);
}

.iirsi-sponsor-card__frame {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  background: var(--white-color);
}

.iirsi-sponsor-card__frame img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
}

.iirsi-sponsors-empty {
  background: var(--white-color);
  border: 1px dashed rgba(6, 50, 50, 0.2);
  border-radius: 12px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--body-color);
}