:root {
  --main-bg: #0b0d17;
  --accent: #d0d6f9;
  --white: #ffffff;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  margin: 0;
  padding: 0;
}

body {
  height: 80vh;
  margin: 0;
  padding: 0;
  font-family: "Barlow Condensed", sans-serif;
  background-size: 100%;
}

.main-header {
  height: 13.6rem;
  width: 100%;
  /* background-color: red; */
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}

.main-header-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-nav {
  background-color: rgba(255, 255, 255, 0.05); /* 5% opacity white */
  backdrop-filter: blur(80px); /* the blur */
  -webkit-backdrop-filter: blur(80px);
  height: 9.6rem;
  width: 73.6rem;
  display: flex;
  align-items: center;
  gap: 7rem;
  font-size: 1.6rem;
  position: relative;
}

.nav-line {
  position: absolute;
  /* width: 170%; should be edited */
  width: 56rem;
  height: 0.1rem;
  background-color: rgba(255, 255, 255, 0.25);
  z-index: 1;
  right: calc(100% - 3rem);
}

.header-nav a {
  color: var(--white);
  text-decoration: none;
  padding: calc(3.85rem - 2px) 0;
  /* box-shadow: 0 0.4rem 0.4rem 0 rgba(0, 0, 0, 0.25); */
}

.nav-step {
  display: flex;
  gap: 1.2rem;
}

.home-page-link {
  margin-left: 16rem;
}

.website-logo {
  width: 4.8rem;
  height: 4.8rem;
  margin-left: 6.4rem;
}

.website-logo:hover {
  cursor: pointer;
}

.header-nav a:not(.selected-nav-link):hover {
  border-bottom: solid 2px rgba(255, 255, 255, 0.5);
}

.selected-nav-link {
  color: var(--white);
  border-bottom: solid var(--white) 2px;
}

.page-title {
  display: flex;
  gap: 2.4rem;
  font-size: 2.8rem;
  letter-spacing: 0.4px;
  margin-left: 16.5rem;
}

.page-title-number {
  color: var(--accent);
}