header { margin-bottom: 6rem; }

header .navbar-lg { display: none; }

header [class^="navbar"] {
  background-color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
}

header [class^="navbar"] a.logo svg.icon {
  width: 3rem;
  height: 3rem;
  color: var(--color-foreground);
}

header [class^="navbar"] nav { gap: 0; }

header [class^="navbar"] nav a {
  padding: 1.25rem;
  font-size: 1.5rem;
}

header .navbar input.menu-checkbox { display: none; }

header .navbar label {
  display: block;
  position: relative;
  cursor: pointer;
  height: 20px;
  width: 30px;
  margin: 1rem;
  z-index: 10;
}

header .navbar label span {
  background-color: var(--color-foreground);
  display: block;
  position: absolute;
  top: 0;
  height: 5px;
  width: 100%;
  border-radius: 30px;
  transition: 0.3s ease-in-out;
}

header .navbar label span:nth-child(2) { top: 8px; }
header .navbar label span:nth-child(3) { top: 16px; }

header .navbar input.menu-checkbox:checked + label span:nth-child(1) {
  transform: rotate(45deg);
  top: 8px;
}
header .navbar input.menu-checkbox:checked + label span:nth-child(2) {
  width: 0;
}
header .navbar input.menu-checkbox:checked + label span:nth-child(3) {
  transform: rotate(-45deg);
  top: 8px;
}

header .navbar input.menu-checkbox ~ .menu-container {
  backdrop-filter: blur(1.5rem);
  display: block;
  position: absolute;
  top: 3.5rem;
  left: 0;
  height: 0;
  width: 100%;
  overflow: hidden;
  z-index: 100;
  transition: height 0.7s ease-in-out;
}

header .navbar input.menu-checkbox:checked ~ .menu-container {
  height: 100vh;
}

header .navbar .menu-container .menu-content {
  padding: 1rem;
}

header .navbar .menu-container .menu-content nav a {
  padding: 0.25rem;
}

header .navbar label:focus,
header .navbar .menu-container .menu-content nav a:focus {
  outline: 2px solid #00f;
  outline-offset: 2px;
}

@media only screen and (min-width: 992px) {
  header { margin-bottom: 8rem; }

  header .navbar { display: none; }
  
  header .navbar-lg { display: flex; }
  
  header .navbar-lg section a.logo { padding: 1rem; }
  
  header .navbar-lg section nav { flex-direction: row; }
  
  header .navbar-lg section nav a {
    cursor: pointer;
    position: relative;
  }
  
  header .navbar-lg section nav a::before,
  header .navbar-lg section nav a::after {
    position: absolute;
    visibility: hidden;
    opacity: 0;
    transition: all 0.5s;
  }
  
  header .navbar-lg section nav a::before {
    content: "{";
    left: -8px;
  }
  
  header .navbar-lg section nav a::after {
    content: "}";
    right: -8px;
  }
  
  header .navbar-lg section nav a:hover::before,
  header .navbar-lg section nav a:hover::after {
    visibility: initial;
    opacity: 1;
  }
  
  header .navbar-lg section nav a:hover::before { left: 0; }
  
  header .navbar-lg section nav a:hover::after { right: 0; }
}