.header {
  width: 100%;
  padding-block-start: 1rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
}
.header h1 span {
  color: var(--color-brand-orange);
}
.header .container {
  padding: 0.75rem 1.5rem;
  border-radius: 1rem;
  border: 2px solid var(--color-black);
  background-color: var(--color-white);
}
.header .menu-open-button {
  width: 42px;
  height: 42px;
  border: 2px solid var(--color-black);
  border-radius: 4px;
  box-shadow: 3px 3px #000;
  transition-property: transform;
  transition-duration: var(--default-transition-duration);
  transition-timing-function: var(--default-transition-timing-function);
}
.header .menu-open-button:hover {
  transform: translateY(-2px);
}
.header .main-nav {
  display: none;
}
.header .subscribe-button {
  display: none;
}
.header .mobile-menu-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  pointer-events: none;
  opacity: 0;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  background-color: #000c;
  transition: opacity 0.3s ease-in-out;
}
.header .mobile-menu-container:target {
  pointer-events: all;
  opacity: 1;
}
.header .mobile-menu-container .mobile-menu {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 80%;
  max-width: 20rem;
  background-color: var(--color-white);
  padding: 1.5rem;
  transition: transform 0.3s cubic-bezier(0.17, 0.67, 0.83, 0.67);
  transform: translate(100%) rotate(2deg);
}
.header .mobile-menu-container:target .mobile-menu {
  transform: translate(0) rotate(0);
}
.header .mobile-menu-container .mobile-menu .title {
  padding-block: 0.75rem;
  border-top: 2px solid var(--color-black);
  border-bottom: 2px solid var(--color-black);
  margin-block-end: 2rem;
}
.header .mobile-menu-container .mobile-menu .title .icon {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-black);
  cursor: pointer;
  transition-property: color, background-color;
  transition-duration: var(--default-transition-duration);
  transition-timing-function: var(--default-transition-timing-function);
}
.header .mobile-menu-container .mobile-menu .title .icon:hover {
  color: var(--color-brand-orange);
  background-color: var(--color-red-100);
}
.header .mobile-menu-container .mobile-menu nav li {
  margin-block-end: 1.5rem;
  transition-property: transform;
  transition-duration: var(--default-transition-duration);
  transition-timing-function: var(--default-transition-timing-function);
}
.header .mobile-menu-container .mobile-menu nav li:hover {
  transform: translateY(-0.25rem);
}
.header .mobile-menu-container .mobile-menu nav li a {
  transition-property: color;
  transition-duration: var(--default-transition-duration);
  transition-timing-function: var(--default-transition-timing-function);
}
.header .mobile-menu-container .mobile-menu nav li:hover a {
  color: var(--color-brand-orange);
}
.header .mobile-menu-container .mobile-menu .button {
  display: inline-block;
  padding-block: 0.75rem;
  width: 100%;
  background-color: var(--color-brand-yellow);
  border: 4px solid #000;
  box-shadow: 3px 3px #000;
  transition-property: transform;
  transition-duration: var(--default-transition-duration);
  transition-timing-function: var(--default-transition-timing-function);
}
.header .mobile-menu-container .mobile-menu .button:hover {
  transform: translateY(-0.25rem);
}