@import url("https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,800,900&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: linear-gradient(#5d6069, #7597de);
}

iframe {
  border-radius: 20px;
}

header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 30px 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10000;
}

header .logo {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  font-size: 2em;
  text-transform: uppercase;
  letter-spacing: 2px;
}

header ul {
  display: flex;
  justify-content: center;
  align-items: center;
}

header ul li {
  list-style: none;
  margin-left: 20px;
}

header ul li a {
  text-decoration: none;
  padding: 6px 15px;
  color: #fff;
  border-radius: 20px;
}

header ul li a:hover,
header ul li a.active {
  background: #fff;
  color: #69665d;
}

section {
  position: relative;
  width: 100%;
  height: 100vh;
  padding: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

section::before {
  content: "";
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to top, #15011b, transparent);
  z-index: 1000;
}

section img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

section img#moon {
  mix-blend-mode: screen;
}

section img#mountains_front {
  z-index: 10;
}

#text {
  position: absolute;
  right: -350px;
  color: #fff;
  white-space: nowrap;
  font-size: 7.5vw;
  z-index: 9;
}

#btn {
  text-decoration: none;
  display: inline-block;
  padding: 8px 30px;
  border-radius: 40px;
  background: #fff;
  color: #5d6069;
  font-size: 1.5em;
  z-index: 9;
  transform: translateY(100px);
}

.description {
  position: relative;
  padding: 100px;
  padding-top: 50px;
  background: #15011b;
}

.description h2 {
  font-size: 3.5em;
  margin-bottom: 15px;
  color: #fff;
}

.description h3 {
  font-size: 1.3em;
  font-weight: 600;
  margin-bottom: 10px;
  margin-left: 5px;
  color: #fff;
}

.description p {
  font-size: 1.3em;
  color: #fff;
  margin-left: 5px;
}

.description p2 {
  font-size: 1.1em;
  color: #fff;
  margin-left: 15px;
}

.infos {
  font-size: 1em;
  font-weight: 300;
}

.download {
  position: relative;
  padding: 100px;
  padding-top: 50px;
  background: #1c0522;
}

.download_btn {
  text-decoration: none;
  display: inline-block;
  padding: 8px 30px;
  border-radius: 40px;
  background: #fff;
  margin-right: 10px;
  color: #5d6069;
  font-size: 1.5em;
  z-index: 9;
}