/* #certificates-section .heading {
  margin-bottom: 2rem;
  font-size: 2rem;
  text-align: center;
  color: var(--primary-color-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
} */

.certificates-container {
  display: grid; /* Use grid for more control over alignment */
  grid-template-columns: repeat(
    auto-fill,
    minmax(250px, 1fr)
  ); /* Equal column widths */
  gap: 1.5rem;
  padding: 1rem;
  justify-items: center; /* Ensures all items are centered */
}

.certificate-card {
  display: flex;
  align-items: center;
  flex-direction: column;
  text-align: center;
  padding: 1.5rem;
  border-radius: 16px;
  background-color: #ffffff10;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition:
    transform 0.4s,
    box-shadow 0.4s,
    background-color 0.3s;
  animation: fadeInUp 0.6s ease-in-out;
  width: 100%; /* Ensures each card fits its column */
  max-width: 350px; /* Limits the card width to avoid overflowing */
}

.certificate-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

.certificate-icon {
  width: clamp(5rem, 15vw, 10rem);
  margin-bottom: 1rem;
  border-radius: 8px;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.certificate-icon:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

.certificate-title,
.project-title {
  font-size: calc(var(--medium-Fsize) + 2px);
  font-weight: bold;
  color: var(--primary-color-light);
  margin-bottom: 0.5rem;
}

.certificate-description {
  font-size: calc(var(--XS-Fsize) + 2px);
  color: var(--primary-color);
  opacity: 0.9;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

/* Lightbox Styling */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
  z-index: 1000;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-image {
  max-width: 80%;
  max-height: 80%;
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  animation: zoomIn 0.3s ease;
}

.lightbox-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.8);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1010;
  transition: color 0.3s ease;
}

.lightbox-btn:hover {
  color: rgba(255, 255, 255, 1);
}

.lightbox-btn.prev {
  left: 5%;
}

.lightbox-btn.next {
  right: 5%;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2.5rem;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: color 0.3s ease;
}

.lightbox-close:hover {
  color: rgba(255, 255, 255, 1);
}

.lightbox:after {
  content: "Click to close";
  position: absolute;
  bottom: 10%;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  animation: fadeIn 1.5s ease-in-out infinite;
}

/* Animation Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zoomIn {
  from {
    transform: scale(0.9);
    opacity: 0.5;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes fadeIn {
  0%,
  100% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .certificates-container {
    grid-template-columns: repeat(
      auto-fill,
      minmax(250px, 1fr)
    ); /* Keeps a consistent layout even on smaller screens */
  }

  .certificate-card {
    flex-direction: column;
    align-items: center;
    width: 100%; /* Ensures card fits */
    max-width: 300px; /* Adjust max-width on smaller screens */
  }

  .certificate-icon {
    width: clamp(4rem, 12vw, 8rem);
  }

  .lightbox-btn {
    font-size: 2.5rem;
  }
}

@media (min-width: 1000px) {
  #certificates-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  .certificate-card {
    padding: 1rem;
  }

  .certificate-title {
    font-size: 1.2rem;
  }

  .certificate-description {
    font-size: 1rem;
  }
}