header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background-color: #1d1d1d;
  position: sticky;
  top: 0;
  z-index: 1000;
}

header::after {
  content: "";
  position: absolute;
  width: calc(100% - 33px);
  height: 4px; /*TODO: maybe smaller */
  background: #bb943a;
  left: 40px;
  bottom: -4px;
  border-radius: 10px;
}

header .logo h1 {
  color: #bb943a;
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
  color: #e7e7e7;
  margin-left: 30px;
  font-weight: 500;
  font-family: "Inter", sans-serif;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  /* Under line */
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  background: #fad274;
  left: 0;
  bottom: -4px;
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:active {
  color: #9d9d9d;
}

.nav-links a:active::after {
  width: 100%;
}