/* Referanslar sayfası: logo kartlarından oluşan ızgara.
   Renkler footer ve iletişim sayfasıyla aynı: turuncu #ef7c00, koyu #1a1a18. */

.referanslar-sayfasi {
  padding: 70px 0 80px;
  background: #fff;
}

.referans-izgara {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.referans-karti {
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
  background: #fff;
  border: 1px solid #ececea;
  box-shadow: 0 4px 18px rgba(26, 26, 24, 0.04);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.referans-karti:hover {
  transform: translateY(-3px);
  border-color: rgba(239, 124, 0, 0.45);
  box-shadow: 0 12px 28px rgba(26, 26, 24, 0.08);
}

.referans-karti .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid #f0f0ee;
  box-sizing: content-box;
}

.referans-karti .logo img {
  max-width: 100%;
  max-height: 96px;
  object-fit: contain;
}

.referans-karti h3 {
  margin: 0 0 12px;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 22px;
  color: #1a1a18;
}

/* Kullanılan ürün ve projeler */
.referans-karti .projeler {
  margin: 0;
  padding: 0;
  list-style: none;
}

.referans-karti .projeler li {
  position: relative;
  padding-left: 12px;
  margin-bottom: 4px;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  line-height: 20px;
  color: #666;
}

.referans-karti .projeler li:before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #ef7c00;
}

/* Tablet */
@media (max-width: 991px) {
  .referans-izgara {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

/* Mobil: tek sütun; logo solda, kurum adı ve ürünler sağda */
@media (max-width: 767px) {
  .referanslar-sayfasi {
    padding: 32px 0 48px;
  }

  .referans-izgara {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .referans-karti {
    display: grid;
    grid-template-columns: 64px 1fr;
    column-gap: 16px;
    align-items: start;
    padding: 16px;
  }

  .referans-karti:hover {
    transform: none;
  }

  .referans-karti .logo {
    grid-row: 1 / span 2;
    height: 64px;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .referans-karti .logo img {
    max-height: 64px;
  }

  .referans-karti h3 {
    margin-bottom: 6px;
    font-size: 15px;
    line-height: 21px;
  }

  .referans-karti .projeler li {
    margin-bottom: 2px;
    font-size: 13px;
    line-height: 19px;
  }
}