* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Montserrat", sans-serif;
}
body {
  background-image: url(../images/background.jpg);
}

@font-face {
  font-family: "Space Quest";
  src: url("./font/SpaceQuest-Xj4o.ttf");
}

/* out container */
.container {
  width: 100%;
}

/* header */

.header {
  background-color: #385768;
  box-shadow: 1px 1px 4px 0 rgb(0 0 0 / 10%);
  position: fixed;
  width: 90%;
  z-index: 3;
  margin-top: 2rem;
  margin-left: 1.4rem;
  border-radius: 2rem;
  font-family: "Space Quest";
}

a {
  color: white;
}

nav {
  border-radius: 2rem;
  background: #385768;
  width: 100%;
}

.header ul {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  background-color: #385768;
}

.header li a {
  display: block;
  padding: 20px 20px;
  text-decoration: none;
  text-align: center;
  font-family: "Space Quest";
  width: 40%;
  margin: 0 auto;
}

.header li a:hover,
.header .menu-btn:hover {
  color: #13c0c4;
  text-decoration: none;
  border-bottom: 4px solid #13c0c4;
  padding-bottom: 0.6rem;
}

.header li a.active {
  color: #13c0c4;
  border-bottom: 4px solid #13c0c4;
  padding-bottom: 0.6rem;
}

.header .logo {
  display: block;
  float: left;
  padding: 10px 20px;
  text-decoration: none;
}

/* menu */

.header .menu {
  clear: both;
  max-height: 0;
  transition: max-height 0.2s ease-out;
  border-radius: 2rem;
}

/* menu icon */

.header .menu-icon {
  cursor: pointer;
  float: right;
  padding: 28px 20px;
  position: relative;
  user-select: none;
}

.header .menu-icon .navicon {
  background: #fff;
  display: block;
  height: 3px;
  position: relative;
  transition: background 0.2s ease-out;
  width: 22px;
}

.header .menu-icon .navicon:before,
.header .menu-icon .navicon:after {
  background: #fff;
  content: "";
  display: block;
  height: 100%;
  position: absolute;
  transition: all 0.2s ease-out;
  width: 100%;
}

.header .menu-icon .navicon:before {
  top: 5px;
}

.header .menu-icon .navicon:after {
  top: -5px;
}

/* menu btn */

.header .menu-btn {
  display: none;
}

.header .menu-btn:checked ~ .menu {
  max-height: 240px;
}

.header .menu-btn:checked ~ .menu-icon .navicon {
  background: transparent;
}

.header .menu-btn:checked ~ .menu-icon .navicon:before {
  transform: rotate(-45deg);
}

.header .menu-btn:checked ~ .menu-icon .navicon:after {
  transform: rotate(45deg);
}

.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:before,
.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:after {
  top: 0;
}

@media (min-width: 48em) {
  .header {
    margin-left: 2rem;
  }
  .header li {
    float: left;
  }
  .header li a {
    padding: 20px 30px;
  }
  .header .menu {
    clear: none;
    float: right;
    max-height: none;
  }
  .header .menu-icon {
    display: none;
  }
}

/* =================================================== */

.main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
}
.earth-img {
  width: 444px;
  margin-top: 3rem;
}

/* content in the page */
.content {
  width: 80%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

/* btn */
.home-page-btn {
  width: 16rem;
  height: 2.6rem;
  color: white;
  background-color: #13c0c4;
  border: none;
  border-radius: 1.25rem;
  cursor: pointer;
  font-family: "Space Quest";
}

/* launch title */
.launch-title {
  letter-spacing: 2px;
  font-family: "Space Quest";
}

/* icons */
.icons {
  width: 40%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.5em;
  color: #13c0c4;
}
/* mutual class for space between content */
.margin {
  margin-top: 1.25rem;
}

/* line under the title */
.line {
  width: 85%;
  background-image: linear-gradient(to right, #13c0c4, white);
  background-origin: padding-box, border-box;
  background-repeat: no-repeat;
  padding: 3px;
  border-radius: 2rem;
  margin-top: 1rem;
}
/* rocket icon */
.fa-rocket {
  font-size: 1em;
  color: #13c0c4;
}

@media (min-width: 48em) {
  .main {
    flex-direction: row-reverse;
  }
  .earth-img {
    width: 530px;
  }
  .content {
    max-width: 444px;
    font-size: 1.5rem;
    align-items: flex-start;
    text-align: start;
    margin-top: 7rem;
  }
  .home-page-btn {
    font-size: 1em;
    width: 17rem;
    height: 3.6rem;
  }
  .header li a {
    width: 100%;
  }
  .header {
    margin-left: 4rem;
  }
}