:root {
  --blue: #013b82;
  --yellow: #f9d00a;
}

.collaborators {
  text-align: center;
  padding: 20px;
  margin-top: 30px;
}

.collaborators h2 {
  margin-bottom: 20px;
  /* font-size: 2rem; */
  color: var(--blue);
  display: inline-block;
  background-color: var(--yellow);
  padding: 10px;
  border-radius: 20px;
}

.collaborators-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  padding: 20px;
  margin: 20px;
}

.collaborators-sub-heading {
  font-size: 20px;
  font-family: Arial, Helvetica, sans-serif;
  background-color: var(--yellow);
  border-radius: 5px;
  display: inline-block;
  padding: 5px;
  color: var(--blue);
}

.collaborator {
  flex: 1 1 calc(25% - 40px);
  max-width: 180px;
  box-sizing: border-box;
}

.collaborator img {
  width: 100%;
  height: auto;
  display: block;
}

.collab-name {
  color: var(--blue);
  ;
}

.projects-desc-text h4 {
  padding: 0px;
  margin: 0px;
  color: var(--blue);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .collaborators-list {
    padding: 5px;
    margin: 5px;
  }
}

@media (max-width: 768px) {
  .collaborator {
    flex: 1 1 calc(50% - 40px);
  }
}

/* @media (max-width: 480px) {
  .collaborator {
    flex: 1 1 calc(100% - 40px);
  }
} */

.image-container {
  position: relative;
  width: 100%;
}

.image-container img {
  width: 100%;
  height: auto;
  display: block;
}


.gradient-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.2));
  color: white;
}

.overlay-content {
  max-width: 600px;
  padding: 10px;
}

.btn-custom {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 20px 10px 20px;
  background: #f9d00a;
  color: #013b82;
  font-size: 18px;
  text-decoration: none;
  border-radius: 20px;
  transition: background 0.3s;
  font-weight: 600;
}

@media (max-width: 768px) {
  .gradient-overlay {
    padding: 15px 0;
  }

  .btn-custom {
    padding: 8px 16px;
  }
}

@media (max-width: 480px) {
  .overlay-content p{
    font-size: 12px;
    margin-bottom: 4px;
  }

  .btn-custom {
    font-size: 14px;
    padding: 6px 12px;
  }
}