:root {
  --collaborator-gap-mobile: 0.75rem;
  --collaborator-gap-tablet: 1.5rem;
  --collaborator-gap-desktop: 3rem;
  --collaborator-gap-large: 2rem;
}

.collaborators-section {
  padding: 3rem 1.5rem;
  background: var(--white);
  width: 100%;
}

.collaborators-container {
  margin: 0 auto;
  text-align: center;
}

.collaborators-title {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--black);
  margin: 0 0 2rem 0;
  font-family: "Manrope", Arial, sans-serif;
}

.collaborators-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.collaborators-tab {
  background: transparent;
  border: 2px solid var(--gray-dark);
  color: #585855;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-family: "Manrope", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.collaborators-tab.active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.collaborators-content {
  position: relative;
  min-height: 150px;
}

.collaborators-panel {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.collaborators-panel.active {
  display: block;
  opacity: 1;
}

.collaborators-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  max-width: 100%;

}

.collaborator-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 196px;
  height: 96px;
  padding: 1rem;
  background: var(--white);
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  flex-shrink: 0;
  overflow: hidden;
}

.collaborator-logo img {
  height: auto;
  object-fit: contain;
  filter: grayscale(10%);
  transition: filter 0.3s ease;
}

.collaborator-logo img[alt="Gedeon"] { width: 159px; }
.collaborator-logo img[alt="Fresenius"] { width: 171px; }
.collaborator-logo img[alt="Sandoz"] { width: 165px; }
.collaborator-logo img[alt="Vantive"] { width: 163px; }
.collaborator-logo img[alt="Roche"] { width: 74px; }
.collaborator-logo img[alt="Adeslas"] { width: 120px; }
.collaborator-logo img[alt="HNA"] { width: 63px; }
.collaborator-logo img[alt="Asisa"] { width: 148px; }
.collaborator-logo img[alt="DKV"] { width: 116px; }
.collaborator-logo img[alt="Semesur"] { width: 125px; }
.collaborator-logo img[alt="HLA"] { width: 92px; }
.collaborator-logo img[alt="3M"] { width: 83px; }
.collaborator-logo img[alt="Europ"] { width: 144px; }
.collaborator-logo img[alt="TicketCare"] { width: 150px; }

@media (max-width: 768px) {
  .collaborators-section {
    padding: 2rem 0.5rem;
    overflow-x: hidden;
  }
  
  .collaborators-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
  }
  
  .collaborators-tabs {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }
  
  .collaborators-tab {
    width: 100%;
    max-width: 280px;
    padding: 0.75rem 1rem;
  }
  
  .collaborators-logos {
    gap: var(--collaborator-gap-mobile);
    padding: 0 0.5rem;
  }
  
  .collaborator-logo {
    width: 196px;
    height: 96px;
    padding: 1rem;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .collaborators-section {
    padding: 2.5rem 1rem;
    overflow-x: hidden;
  }
  
  .collaborators-logos {
    gap: var(--collaborator-gap-tablet);
    padding: 0 1rem;
  }
  
  .collaborator-logo {
    width: 196px;
    height: 96px;
    padding: 1rem;
  }
}

@media (min-width: 1025px) {
  .collaborators-logos {
    gap: var(--collaborator-gap-desktop);
  }
  
  .collaborator-logo {
    width: 196px;
    height: 96px;
  }
}

@media (min-width: 1440px) {
  .collaborators-logos {
    flex-wrap: nowrap;
    justify-content: center;
    gap: var(--collaborator-gap-large);
    max-width: none;
    overflow-x: auto;
  }
}