body {
  box-sizing: border-box;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
  color: #171717;
  background: #fff;
}

a { color: #003a9b; }
a:visited { color: #54247c; }
a:focus-visible { outline: 2px solid #003a9b; outline-offset: 3px; }

.layout {
  display: grid;
  grid-template-columns: minmax(166px, 1fr) minmax(0, 44rem) minmax(166px, 1fr);
}

.sidebar {
  width: 150px;
  margin-right: 1rem;
  justify-self: end;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .5rem;
  margin-top: 1rem;
}

main {
  box-sizing: border-box;
  width: 100%;
  max-width: 44rem;
  min-width: 0;
  margin: 0 auto;
  padding-bottom: 3rem;
}

main > h1:first-child { margin-top: 0; }

.logo-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.logo-toggle:focus-visible + .logo {
  outline: 2px solid #003a9b;
  outline-offset: 2px;
}

.logo {
  display: block;
  position: relative;
  width: 150px;
  height: 175px;
  cursor: pointer;
}

.zone { position: absolute; top: 0; bottom: 0; width: 33.333%; z-index: 1; }
.zone-left { left: 0; }
.zone-center { left: 33.333%; }
.zone-right { right: 0; }

.horn {
  position: absolute;
  inset: 0;
  background: url("assets/antelope-center.svg") center / contain no-repeat;
  pointer-events: none;
}
.zone-left:hover ~ .horn { background-image: url("assets/antelope-left.svg"); }
.zone-right:hover ~ .horn { background-image: url("assets/antelope-right.svg"); }
.logo-toggle:checked + .logo .horn { background-image: url("assets/antelope-rainbow-center.svg"); }
.logo-toggle:checked + .logo .zone-left:hover ~ .horn { background-image: url("assets/antelope-rainbow-left.svg"); }
.logo-toggle:checked + .logo .zone-right:hover ~ .horn { background-image: url("assets/antelope-rainbow-right.svg"); }

@media (max-width: 800px) {
  body {
    margin: 1rem auto;
  }

  .layout { display: block; }
  .sidebar {
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-self: stretch;
    gap: 1rem;
    width: 100%;
    max-width: 44rem;
    margin: 0 auto 2rem;
  }
  .sidebar nav { margin-top: 0; }
  .logo { width: 96px; height: 112px; }
  main > h1:first-child { font-size: clamp(1.5rem, 6vw, 2rem); line-height: 1.2; }
}