* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --index: calc(1vw + 1vh);
  --transition: 0.5s cubic-bezier(.06,.77,.26,.95) ;
}
@font-face {
  font-family: kamerik-3d;
  src: url("../fonts/kamerik205-heavy.woff2");
  font-weight: 900;
}
@font-face {
  font-family:  marriweather-italic-3d;
  src: url("../fonts/merriweather-regular-italic.woff2");
}
body {
  background-color: #000;
  color: #fff;
  font-family: kamerik-3d;
}
.logo {
  --logo-size:calc(var(--index)*7.8);
  width: var(--logo-size);
  height:var(--logo-size);
  background-repeat: no-repeat;
  position: absolute;
  left: calc(50% - calc(var(--logo-size)/2));
  top: calc(var(--index)*2.8);
  z-index: 1;

}
.layers {
  perspective: 1000px;
  overflow: hidden;
}
.layers__container {
  height: 100vh;
  min-height: 500px;
  transform-style: preserve-3d;
  transform: rotateX(var(--move-y)) rotateY(var(--move-x));
  will-change: transform;
  transition: transform var(--transition);
  
}
.layers__item {
  position: absolute;
  /* top: -5vh;
  left: -5vh;
  right: -5vh;
  bottom: -5vh; */
  inset: -5vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  
}
.layer-1 {
  transform: translateZ(-55px) scale(1.06);
}
.layer-2 {
  transform: translateZ(80px);
}
.layer-3 {
  transform: translateZ(180px)scale(0.8);
}
.layer-4 {
  transform: translateZ(190px)scale(0.9);
}
.layer-5 {
  transform: translateZ(300px)scale(0.9);
}
.layer-6 {
  transform: translateZ(380px);
}
.hero-content {
  font-size:calc(var(--index)*2.2) ;
  text-align: center;
  /*text-transform: uppercase;*/
  letter-spacing:calc(var(--index)*0.15);
  line-height: 1.35em;
  margin-top:calc(var(--index)*2.5) ;
}
.hero-content span {
  display: block;
}
.hero-content_p {
  text-transform: none;
  font-family: marriweather-italic-3d ;
  letter-spacing: normal;
  font-size:calc(var(--index)*1.2) ;
  width:calc(var(--index)*50) ;
  line-height: calc(var(--index)*2);
   
}
.button-start {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  font-size: calc(var(--index)*0.8);
  letter-spacing:-.02vw;
  padding: calc(var(--index)*0.8) calc(var(--index)*1.8);
  background-color: transparent;
  color: #fff;
  border-radius:10em ;
  border: rgba(255, 255, 255 ,.5) 3px solid;
  outline: none;
  cursor: pointer;
}
.layer-4,.layer-5,.layer-6{
  pointer-events: none;
}
#insert {
  text-align: center;
  margin-bottom:calc(var(--index)*1.5) ;
}
.insert_form
{
  margin-top:calc(var(--index)*2.5) ;
  text-align: center;
}
.insert_form form {
  margin-top: unset;
}
.insert_form p {
  font-size: unset;
}
.insert_form textarea, .insert_form input {
  width: 300px;
  border-radius: 5px;
  height: 25px;
}
.insert_form button {
  margin-top:calc(var(--index)*1.1) ;
  width: 300px;
  border-radius: 5px;
  height: 25px;
}
#insert_info {
  text-align: center;
  color: green;
}
#insert_error {
  text-align: center;
  color: red;
}

footer {
  text-align: center;
  margin-bottom:calc(var(--index)*1.1) ;
}