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

html,
body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth; /* Standardmäßiges Scrollverhalten */
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 1fr;
  width: 100vw;
  height: 100vh;
}

.cell {
  overflow: hidden;
}
.cell a {
  display: block;
  width: 100%;
  height: 100%;
}

.cell a:hover img {
  transform: scale(1.1);
}

.cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.text-block {
  margin: 100px auto;
  max-width: 600px;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  text-align: center;
}
.text-block img {
  width: 100%;
  border-radius: 0.5rem;
  margin-top: 1rem;
}

#navibereich {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  font-size: 1em;
  text-align: center;
  mix-blend-mode: difference;
  line-height: 0.6;
  padding: 0;
  margin: 0;
}

#navibereich ul {
  padding: 0;
  margin: 0;
}

#navibereich li {
  list-style: none;
  padding: 0;
  margin: 0;
}

#navibereich a {
  color: white;
  text-decoration: none;
  display: inline-block;
}

#navibereich a:hover {
  color: white;
  font-size: 1.5em;
  text-decoration: none;
}

.about a {
  position: fixed;
  z-index: 10;
  color: white;
  font-size: 1em;
  text-decoration: none;
  top: 0.4em;
  width: 100%;
  text-align: center;
  mix-blend-mode: difference;
}

.about a:hover {
  color: white;
  font-size: 1.5em;
  text-decoration: none;
  mix-blend-mode: difference;
}

.kontakt a {
  position: fixed;
  z-index: 10;
  color: white;
  font-size: 1em;
  text-decoration: none;
  bottom: 0.5em;
  width: 100%;
  text-align: center;
  mix-blend-mode: difference;
}

.kontakt a:hover {
  color: white;
  font-size: 1.5em;
  text-decoration: none;
  mix-blend-mode: difference;
}

@media (max-width: 430px) {
  .grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 1fr); /* 4 Bilder untereinander */
    height: auto; /* damit es auf mobilen Geräten nicht abgeschnitten wird */
  }

  .cell {
    height: 50vh; /* oder auto, je nach gewünschtem Verhalten */
  }
  .text-block {
    margin: 100px auto;
    max-width: 600px;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    text-align: center;
  }

  #navibereich {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    font-size: 1em;
    text-align: center;
    line-height: 0.55;
    padding: 0;
    margin: 0;
  }

  #navibereich a {
    text-shadow: 0 0 30px rgba(30, 30, 30, 0.6);
  }

  .about a {
    position: fixed;
    z-index: 10;
    color: white;
    font-size: 1em;
    text-decoration: none;
    top: 0.4em;
    width: 100%;
    text-align: center;
  }

  .kontakt a {
    position: fixed;
    z-index: 10;
    color: white;
    font-size: 1em;
    text-decoration: none;
    bottom: 0.5em;
    width: 100%;
    text-align: center;
  }
}