:root{
  --page-1-color: linear-gradient(to right, #0f0c29, #302b63, #24243e);
  --page-2-color: linear-gradient(to right, #434343 0%, black 100%);
  --page-3-color: teal;
  --page-4-color: linear-gradient(to right, #8e2de2, #4a00e0);
  --animate-speed: 2s;
  --page-2-header-color: #f3f3f3;
  --page-3-header-color: #fff;
  --page-4-header-color: black;
  --page-1-btn-animate-speed: 0.5s;
}

body{
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.4;
  color: #fff;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/* Page-colors */
#page-1{background: var(--page-1-color);}
#page-2{background: var(--page-2-color);}
#page-3{background: var(--page-3-color);}
#page-4{background: var(--page-4-color);}
#page-2 h1{color: var(--page-2-header-color)}
#page-3 h1{color: var(--page-3-header-color)}
#page-4 h1{color: var(--page-4-header-color)}

.logo{
  position: fixed;
  top: 2rem;
  left: 2rem;
  margin: 0;
  padding: 0;
  color: rgb(0, 254, 249);
}

.page{
  display: flex;
  flex-direction: column;
  height: 100vh;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 4rem;
}

.page h1{
  font-size: 4rem;
  line-height: 1.2;
  margin: 1rem;
}

.page p{
  font-size: 1.3rem;
}

.btn{
  display: inline-block;
  padding: 1rem 2rem;
  background: #f4f4f4;
  color: #333;
  text-decoration: none;
  font-size: 1.1rem;
  margin-top: 1rem;
  border: none;
  transition: all 0.3s ease-in;
}

.btn:hover,
.btn-dark{
  background: #333;
  color: #fff;
}

.btn-dark:hover{
  background: #f4f4f4;
  color: #333;
}

.btn:hover{
  transform: rotate(15deg);
}

#page-1 .btn:hover{
  transform: none;
  animation: btn var(--page-1-btn-animate-speed) 1 ease-in-out forwards;
}

@keyframes btn{
  to{
    transform: rotate(360deg);
  }
}

#page-1 h1{
  text-shadow: 10px 10px 4px black;
}

/* Page-1 Animations */
#page-1 h1{
  transform: translateY(-1200px);
  animation: heading var(--animate-speed) 1 ease-in forwards;
}

#page-1 p{
  transform: translateX(-1800px);
  animation: paragraph var(--animate-speed) 1 1s ease-in forwards;
}
/* Keyframes */
@keyframes heading{
  to{
    transform: translateY(0);
  }
}

@keyframes paragraph{
  to{
    transform: translateX(0);
  }
}

@media(max-width: 1000px){
  .btn{transition: all 0.1s ease-in;}
}

@media(max-width: 600px){
  .page h1{font-size: 2.7rem;}
  .page p{font-size: 1rem;}
  .page{padding: 0 1rem;}  
  /* .logo{top: 30px; left: 30px;} */
}