/**
 * Affiliation Logos Strip — four industry organization logos (VBIA, GOBA, FHBA, NAHB).
 *
 * Desktop: single horizontal row.
 * Mobile: 2×2 grid (flex-wrap).
 * Logos render grayscale at rest, full color on hover/focus.
 * External links open in new tab with proper rel attributes.
 */

.affiliations-section {
  background-color: #f9fafb;
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
  padding: 2rem 1.5rem;
}

.affiliations-inner {
  max-width: 900px;
  margin: 0 auto;
}

.affiliations-label {
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9ca3af;
  margin: 0 0 1.5rem;
}

.affiliations-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ── Individual logo item ── */
.affiliation-item {
  display: flex;
  align-items: center;
}

.affiliation-item a {
  display: block;
  line-height: 0;
  border-radius: 4px;
  transition: opacity 0.2s ease;
}

.affiliation-item a:hover {
  opacity: 0.85;
}

.affiliation-item a:focus-visible {
  outline: 2px solid #004677;
  outline-offset: 4px;
}

.affiliation-item img {
  height: 52px;
  width: auto;
  max-width: 130px;
  object-fit: contain;
  display: block;
  filter: grayscale(100%) opacity(0.65);
  transition: filter 0.3s ease;
}

.affiliation-item:hover img,
.affiliation-item:focus-within img {
  filter: grayscale(0%) opacity(1);
}

@media (prefers-reduced-motion: reduce) {
  .affiliation-item img,
  .affiliation-item a {
    transition: none;
  }
}

/* ── Single row on wider viewports ── */
@media (min-width: 640px) {
  .affiliations-logos {
    flex-wrap: nowrap;
    gap: 2.5rem;
  }

  .affiliation-item img {
    height: 60px;
    max-width: 150px;
  }
}

@media (min-width: 1024px) {
  .affiliations-section {
    padding: 2.5rem 2rem;
  }

  .affiliation-item img {
    height: 68px;
    max-width: 170px;
  }
}