* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
.header {
  width: 100%;
  height: 100vh;
  color: rgb(50, 48, 48);
  padding: 0 5%;
  position: relative;
}
.back-video {
  object-fit: cover;
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1;
}
nav {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
nav .logo {
  width: 120px;
  cursor: pointer;
}
nav ul li {
  display: inline-block;
  list-style: none;
  margin: 10px 30px;
}
nav ul li a {
  text-decoration: none;
  color: #fff;
  font-size: 16px;
  letter-spacing: 1px;
}
nav ul li a:hover {
  color: #ff3e3b;
}
.text-box {
  margin-top: 10%;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.text-box h1 {
  font-size: 60px;
  font-weight: 600;
  line-height: 65px;
  margin-bottom: 10px;
}
.text-box .btn {
  outline: none;
  border: none;
  font-size: 16px;
  margin-top: 30px;
  background: #ff3e3b;
  color: #fff;
  padding: 12px 36px;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.5s;
}
.text-box .btn:hover {
  background: #fff;
  color: #000;
}
.download {
  position: absolute;
  right: 8%;
  bottom: 60px;
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #fff;
  padding: 20px 40px;
  border-radius: 40px;
}
.download img {
  width: 20px;
  margin-left: 15px;
  animation: move 2s linear infinite;
  transition: background 0.3s;
}

@keyframes move {
  0% {
    transform: translateY(-10px);
  }
  50% {
    transform: translateY(10px);
  }
  100% {
    transform: translateY(-10px);
  }
}