.main-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  background: #000;
  box-sizing: border-box;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: auto;
  min-height: 5rem;
  margin: 0 3rem 0 204px;
  box-sizing: border-box;
}

.header-logo {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.header-logo img {
  display: block;
  width: 10.75rem;
  height: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav li {
  margin: 0;
}

.main-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 5rem;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  text-decoration: none;
  transition: color 180ms ease;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1.25rem;
  left: 0;
  height: 0.125rem;
  background: #009ee3;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: #33b4e9;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

@media (max-width: 780px) {
  .header-container {
    width: min(100% - 2rem, 80rem);
    min-height: 4.5rem;
    margin: 0 auto;
    gap: 1rem;
  }

  .header-logo img {
    width: 8rem;
  }

  .main-nav ul {
    gap: 1rem;
  }

  .main-nav a {
    min-height: 4.5rem;
    font-size: 0.875rem;
  }

  .main-nav a::after {
    bottom: 0.9rem;
  }
}

@media (max-width: 540px) {
  .header-container {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
    padding-top: 1rem;
  }

  .main-nav,
  .main-nav ul {
    width: 100%;
  }

  .main-nav ul {
    justify-content: space-between;
    gap: 0.75rem;
  }

  .main-nav a {
    min-height: 3.25rem;
    font-size: 0.8125rem;
  }

  .main-nav a::after {
    bottom: 0.45rem;
  }
}