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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  background-color: black;
  color: #e7e7e7;
  min-height: 100vh;
  line-height: 1.5;
}

/* Gradient And Layer Blur Effect */

.image-gradient {
  position: absolute;
  top: 0;
  right: 0;
  opacity: 0.5;
  z-index: -1;
}

.layer-blur {
  height: 0;
  width: 30rem;
  position: absolute;
  top: 20%;
  right: 0;
  box-shadow: 0 0 700px 15px white;
  rotate: -30deg;
  z-index: -1;
}

/* Navbar Section */

.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  overflow: hidden;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

header h1 {
  font-size: 1.5rem;
  font-weight: bold;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}
.logo-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-image {
  cursor: pointer;
}
.logo span {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  background: linear-gradient(
    to right,
    #656565,
    #7f42a7,
    #6600c5,
    #5300a0,
    #757575,
    #7a15a5
  );
  background-size: 200%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: animationGradient 2.5s infinite linear;
  -webkit-animation: animationGradient 2.5s infinite linear;
}

@keyframes animationGradient {
  to {
    background-position: 200%;
  }
}

.logo span:nth-child(1) {
  animation-delay: 0s;
}
.logo span:nth-child(2) {
  animation-delay: 0.1s;
}
.logo span:nth-child(3) {
  animation-delay: 0.2s;
}
.logo span:nth-child(4) {
  animation-delay: 0.3s;
}
.logo span:nth-child(5) {
  animation-delay: 0.4s;
}
.logo span:nth-child(6) {
  animation-delay: 0.5s;
}
.logo span:nth-child(7) {
  animation-delay: 0.6s;
}
.logo span:nth-child(8) {
  animation-delay: 0.7s;
}

nav {
  display: flex;
  align-items: center;
  padding: 1rem 5rem;
  z-index: 999;

  ul {
    display: flex;
    list-style: none;
    gap: 2rem;
  }

  li {
    margin: 0 1rem;
  }

  a {
    position: relative;
    text-decoration: none;
    color: inherit;
    letter-spacing: 0.1rem;
    transition: all 0.3s ease-in-out;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -ms-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;

    /* Spacing between text and underline */
    &::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background-color: #5300a0;
      transition: width 0.3s ease-in-out;
      -webkit-transition: width 0.3s ease-in-out;
      -moz-transition: width 0.3s ease-in-out;
      -ms-transition: width 0.3s ease-in-out;
      -o-transition: width 0.3s ease-in-out;
    }
    /* Change color and underline on hover */
    &:hover {
      color: #a7a7a7;
      /* Change background color on hover */
      &::after {
        width: 100%;
      }
    }
  }
}

/* The Main Content Section */

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* Center the content vertically */
  min-height: calc(100vh - 6rem);
}

.content {
  max-width: 40rem;
  /* 10% = 4rem = 64px */
  margin-left: 10%;
  z-index: 999;
}

.tag-box {
  position: relative;
  width: 18rem;
  height: 2.5rem;
  /* margin-bottom: 2rem; */
  border-radius: 50px;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  -ms-border-radius: 50px;
  -o-border-radius: 50px;
  background: linear-gradient(
    to right,
    #656565,
    #7f42a7,
    #6600c5,
    #5300a0,
    #757575,
    #7a15a5
  );
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
  background-size: 200%;
  animation: animationGradient 2.5s infinite linear;
  -webkit-animation: animationGradient 2.5s infinite linear;
}
@keyframes animationGradient {
  to {
    background-position: 200%;
  }
}

.tag-box .tag {
  position: absolute;
  inset: 3px 3px 3px 3px;
  background-color: black;
  border-radius: 50px;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  -ms-border-radius: 50px;
  -o-border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: 0.5s ease;
  -webkit-transition: 0.5s ease;
  -moz-transition: 0.5s ease;
  -ms-transition: 0.5s ease;
  -o-transition: 0.5s ease;
}
.tag-box .tag:hover {
  color: #5300a0;
}

.content h1 {
  text-transform: uppercase;
  font-size: 4rem;
  font-weight: 600;
  letter-spacing: 0.1rem;
  margin: 2rem 0;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(128, 128, 128, 0.428);
}

.description {
  font-size: 1.2rem;
  letter-spacing: 0.05rem;
  max-width: 35rem;
  color: gray;
}

.buttons {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
}
.btn-get-started {
  text-decoration: none;
  color: gray;
  border: 1px solid #2a2a2a;
  padding: 0.7rem 1.2rem;
  border-radius: 50px;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  -ms-border-radius: 50px;
  -o-border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.1rem;
  transition: all 0.3s ease-in-out;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -ms-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
}
.btn-get-started:hover {
  background-color: #1a1a1a;
}

.btn-signing-main {
  text-decoration: none;
  color: #3c00a1;
  background-color: lightgray;
  border: 1px solid #2a2a2a;
  padding: 0.7rem 1.2rem;
  border-radius: 50px;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  -ms-border-radius: 50px;
  -o-border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.1rem;
  transition: all 0.3s ease-in-out;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -ms-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
}

.btn-signing-main:hover {
  background-color: gray;
}

/* The 3D Robot Model */

.robot-3d {
  position: absolute;
  top: 0;
  right: -20%;
  cursor: grab;
}

/* Tablet Responsiveness */

@media (max-width: 1300px) {
  header {
    padding: 1rem 0.5rem;
    display: flex;
    flex-direction: column;
  }

  .content {
    margin-top: 85%;
  }
  .robot-3d {
    scale: 0.8;
    top: -20%;
    right: 2%;
  }
  .buttons {
    margin-bottom: 2rem;
  }
}