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

a {
  text-decoration: none;
  color: #000;
}

body {
  font-family: "Roboto", sans-serif;
  background-color: #f5f5f5;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.app {
  background: url(./images/bg.webp);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  padding-bottom: 3%;
}

.title {
  width: 70%;
}

.btn {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80%;
  gap: 40%;
  top: 65%;
}
.title-mb {
  display: none;
}

.hover-image {
  position: relative;
  display: inline-block;
  width: fit-content;
}

.hover-image img {
  display: block;
  transition: opacity 0.3s ease;
}

.hover-img {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}

.hover-image:hover .hover-img {
  opacity: 1;
}

.hover-image:hover .default-img {
  opacity: 0;
}
@media screen and (max-width: 768px) {
  .app {
    background: url(./images/bg.webp);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center top;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    padding-bottom: 3%;
  }

  .title {
    width: 180%;
    margin-bottom: 50%;
  }

  .btn {
    margin-top: 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    width: 70%;
  }
}