html {
  scroll-behavior: smooth;
}

body {
  background-color: whitesmoke;
}

h2 {
  margin-top: 60px;
  font-size: 2rem;
}

.container {
  display: flex;
  text-align: center;
  flex-direction: row;
  align-items: flex-start;
}

img {
  width: 50vh;
}

@media screen and (max-width: 900px) {
  .container {
    align-items: center;
    flex-direction: column;
  }
}

span {
  margin-top: 20px;
  position: relative;
  display: inline-flex;
  width: 180px;
  height: 55px;
  perspective: 1000px;
}

span a {
  font-size: 19px;
  letter-spacing: 1px;
  transform-style: preserve-3d;
  transform: translateZ(-25px);
  transition: transform 0.25s;
  font-family: "Varela", sans-serif;
  font-weight: bold;
  font-style: normal;
}

h4 {
  font-family: sans-serif;
  font-weight: bold;
  font-style: normal;
}

p {
  font-family: "Varela", sans-serif;
  font-weight: 400;
  font-style: normal;
}

span a.signup:before,
span a.signup:after {
  content: "SIGN UP";
}

span a.login:before,
span a.login:after {
  content: "LOG IN";
}

span a.logout:before,
span a.logout:after {
  content: "LOG OUT";
}

span a:before,
span a:after {
  position: absolute;
  height: 55px;
  width: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 5px solid #3c3c3c;
  box-sizing: border-box;
  border-radius: 5px;
  font-family: "Varela", sans-serif;
  font-weight: bold;
  font-style: normal;
}

span a:before {
  color: #fff;
  background-color: #3c3c3c;
  transform: rotateY(0deg) translateZ(25px);
}

span a:after {
  color: #3c3c3c;
  transform: rotateX(90deg) translateZ(25px);
}

span a:hover {
  transform: translateZ(-25px) rotateX(-90deg);
}

h3 {
  color: #3c3c3c;
  font-family: "Varela", sans-serif;
  font-weight: bold;
  font-style: normal;
}

.main {
  background-color: whitesmoke;
  background-size: cover;
  background-position: center;
  min-height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #3c3c3c;
  text-align: center;
  position: relative;
}

.main-content {
  position: relative;
  z-index: 1;
}

.main p {
  margin: 15px 0;
  font-size: 2em;
}

.buttons {
  margin: 1rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
}

@media screen and (max-width: 415px) {
  .buttons {
    align-items: center;
    flex-direction: column;
  }
}

.buttons a {
  color: white;
  padding: 0.5rem;
  background-color: #3c3c3c;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.5s;
  display: inline-block;
  font-family: "Varela", sans-serif;
  font-weight: bold;
  font-style: normal;
}

.buttons a:hover {
  background-color: whitesmoke;
  color: #3c3c3c;
}

.section {
  padding: 40px 20px;
  min-height: 40vh;
  text-align: center;
  background-color: whitesmoke;
}

.section h3 {
  font-size: 3em;
  margin-bottom: 20px;
}

.section.left {
  background-color: whitesmoke;
  text-align: left;
}

.section.left h3 {
  text-align: center;
}

.features {
  padding-top: 5vh;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.feature {
  background-color: whitesmoke;
  transition: background-color 0.5s;
  border: grey 2px solid;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 5px;
  width: 300px;
  text-align: left;
  color: #3c3c3c;
}

.feature:hover {
  background-color: #3c3c3c;
  color: whitesmoke;
}

.feature h4 {
  margin-top: 0;
  text-align: center;
}

.feature p {
  text-align: center;
}

.arrowdiv {
  margin-top: 100px;
}

.arrow {
  width: 40px;
  height: 40px;
  background-size: contain;
}

.bounce {
  animation: bounce 2.5s infinite;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-45px);
  }
  60% {
    transform: translateY(-20px);
  }
}

@media screen and (max-width: 399px) {
  img {
    width: 60vw;
    aspect-ratio: 1 / 1;
  }
}