* {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  font-size: 24px;
  line-height: 2em;
  display: flex;
  flex-direction: column;
  --primary: #D02424;
  --navigation-font: #ffffff;
  --side-padding: 10vw;
  --max-content-width: 925px;
}

.navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  padding: 0 var(--side-padding);
}

.navigation-link {
  color: var(--navigation-font);
  text-decoration: none;
  padding: 12px 24px;
}

.logo {
  margin-right: auto;
  background-color: var(--primary);
}

.menu {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

.menu-item {
  background-color: var(--primary);
  display: flex;
  justify-content: center;
  align-items: center;
  margin-left: 12px;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
}

header {
  height: 90vh;
  justify-content: center;
}

header,
main {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding-left: var(--side-padding);
  padding-right: var(--side-padding);
}

header > *,
main > * {
  max-width: var(--max-content-width);
}

h1 {
  font-size: 4rem;
  line-height: 5rem;
}