html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.9em;
  color: #666;
  font-family: "lato", sans-serif;
}

.img1 {
  background-image: url(img1.jpg);
  min-height: 100%;
}
.img2 {
  background-image: url(img2.webp);
  min-height: 400px;
}
.img3 {
  background-image: url(img3.jpg);
  min-height: 450px;
}

.img1,
.img2,
.img3 {
  position: relative;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
}
.imgtext {
  position: absolute;
  top: 50%;
  width: 100%;
  text-align: center;
  color: black;
  text-transform: uppercase;
  letter-spacing: 8px;
}
.textbg {
  background-color: #313534;
  color: #fff;
  padding: 20px;
  border-radius: 10px;
}
.sectionlight {
  text-align: center;
  padding: 50px 80px;
  background-color: #f4f4f4;
  color: #666;
  border-radius: 10px;
}
.sectiondark {
  background-color: #282e34;
  color: #ddd;
  text-align: center;
  padding: 50px 80px;
  border-radius: 10px;
}
.click {
  background-color: #313534;
  color: #fff;
  padding: 20px;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
}

.click:hover {
  background-color: white;
  color: green;
  transition: 0.2s ease-in;
}

@media (max-width: 600px) {
  .img1,
  .img2,
  .img3 {
    background-attachment: scroll; /* Disable parallax on mobile for performance */
    min-height: 200px;
  }
  .imgtext {
    padding: 30px 10px;
    font-size: 1.1rem;
    text-align: center;
  }
  .textbg {
    font-size: 1.2rem;
    padding: 8px 12px;
  }
  .sectionlight,
  .sectiondark {
    padding: 18px 10px;
    font-size: 1rem;
  }
  .click {
    font-size: 1rem;
    padding: 8px 16px;
    display: inline-block;
  }
}