* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  font-family: Arial, sans-serif;
  background-image: url(img/background2.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  color: white;
}

#seite {
  min-height: 100%;
  position: relative;
  padding-bottom: 70px;
}

header {
  text-align: center;
  color: white;
  padding: 2em 1em;
}

main {
  width: 80%;
  margin: 0 auto;
  background-color: rgba(39, 39, 39, 0.9);
  border-radius: 20px;
  box-shadow: 0 0 40px white;
  padding: 2em;
  text-align: center;
}


#projektbox {
  margin-top: 2em;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5em;
}

.projekt {
  background-color: #a6a6a6;
  flex: 0 1 calc(25% - 1.5em);
  min-width: 200px;
  padding: 1.5em;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
}

.projekt h3 {
  color: black;
  margin-bottom: 0.5em;
}

.projekt a {
  text-decoration: none;
}

/* Footer bleibt unten */
footer {
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  text-align: center;
  padding: 1em;
  font-size: 0.9em;
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
}

footer a {
  color: white;
  text-decoration: none;
  margin: 0 0.3em;
}

footer a:hover {
  color: #4a90e2;
}

footer i {
  margin: 0 0.2em;
}