/* Referenties: vier kolommen op breed scherm, drie op laptop en compact op mobiel. */
.article.references-page {
  max-width: 1320px;
}
.reference-intro {
  max-width: 820px;
  margin-bottom: 54px;
}
.reference-intro h2 {
  margin: 0 0 16px;
  color: #fff;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: -.035em;
}
.reference-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}
.reference-group {
  margin-top: 48px;
}
.reference-group-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}
.reference-group-heading h3 {
  margin: 0;
  color: #fff;
  font-size: 25px;
}
.reference-group-heading span {
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.reference-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.reference-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 245px;
  padding: 28px 22px 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: 4px;
  background: linear-gradient(145deg, #1d272c, #131a1e);
  text-align: center;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.reference-card::before {
  content: "";
  position: absolute;
  right: -45px;
  bottom: -55px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: rgba(255, 91, 11, .07);
}
.reference-card:hover {
  transform: translateY(-5px);
  border-color: var(--orange);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .28);
}
.reference-logo {
  position: relative;
  display: grid;
  place-items: center;
  width: 116px;
  height: 116px;
  margin-bottom: 20px;
  border: 1px solid #313b40;
  border-radius: 50%;
  background: #fff;
  box-shadow: inset 0 0 0 7px #edf0f1;
}
.reference-logo img {
  position: relative;
  z-index: 2;
  width: 82px;
  height: 82px;
  object-fit: contain;
  border-radius: 16px;
}
.reference-initials {
  position: absolute;
  z-index: 1;
  color: #273137;
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -.04em;
}
.reference-card-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}
.reference-card-copy strong {
  color: #fff;
  font-size: 17px;
  line-height: 1.25;
}
.reference-card-copy small {
  color: #929da2;
  font-size: 12px;
}
.reference-arrow {
  position: absolute;
  top: 14px;
  right: 16px;
  color: var(--orange);
  font-size: 20px;
  font-weight: 900;
  transition: transform .2s;
}
.reference-card:hover .reference-arrow {
  transform: translate(2px, -2px);
}
@media (max-width: 1100px) {
  .reference-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .reference-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reference-card { min-height: 225px; }
  .reference-logo { width: 102px; height: 102px; }
  .reference-logo img { width: 72px; height: 72px; }
}
@media (max-width: 500px) {
  .reference-grid { grid-template-columns: 1fr; }
  .reference-group-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
  .reference-card {
    min-height: 0;
    display: grid;
    grid-template-columns: 82px 1fr 24px;
    gap: 16px;
    text-align: left;
  }
  .reference-logo { width: 82px; height: 82px; margin: 0; }
  .reference-logo img { width: 58px; height: 58px; }
  .reference-card-copy { align-items: flex-start; }
  .reference-arrow { position: static; }
}