/* Hero-kuva */
#hero {
    height: 100vh;
    background: url("/static/images/sunset-in-greece-mountains.jpg") no-repeat center center/cover;
    position: relative;
}

#hero::after {
    content: "";
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    border-bottom: 2px solid white;
    border-right: 2px solid white;
    transform: translateX(-50%) rotate(45deg);
}

#navbar {
  background: transparent;
  transition: background 0.3s ease;
}

section {
  scroll-margin-top: 40px;
}


/* hover effect on project cards */
.project-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 8px;
  text-decoration: none;
  color: rgb(255, 255, 255);
}

.project-card img {
  width: 100%;
  aspect-ratio: 1 / 1;  /* pakottaa neliön */
  object-fit: cover;
  border-radius: 10px;
  transition: opacity 0.4s ease;
}

.project-card .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(43, 78, 92, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
  text-align: center;
  padding: 10px;
  
}

.project-card:hover img {
  opacity: 0.3;
}

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