body {
  font-family: sans-serif;
  margin: 0;
  background: #fdfdfd;
}

header, footer {
  text-align: center;
  padding: 1rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));	/*400px*/
  gap: 1rem;
  padding: 1rem;
}

.project {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

.project img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.description {
  margin: 1rem;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.75);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project:hover img {
  transform: scale(1.05);
}

.project:hover .overlay {
  opacity: 1;
}






/* Filter section */
#filters {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  background: #fafafa;
  border-bottom: 1px solid #ddd;
}

.filter-column {
  flex: 1;
}

.filter-column h3 {
  margin: 0 0 .5rem 0;
}

.filter-option {
  display: flex;
  align-items: center;
  margin-bottom: .5rem;
  gap: .5rem;
}

.filter-option img {
  width: 20px;
  height: 20px;
}

.toggle-btn {
  background: none;
  border: none;
  color: #007bff;
  cursor: pointer;
  padding: 0;
}

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: .5rem;
  background: rgba(0,0,0,0.2);
  color: white;
  font-size: .8rem;
}

.project-tags {
  display: flex;
  gap: .3rem;
}

.project-tags img {
  width: 80px;
  height: 80px;
}

.project-date {
  font-weight: bold;
  font-size: 3.0rem;
  padding-right: 0.9rem;
}