/* Compact Windows 95/98 navigation for the homepage.
   The control stays shrink-wrapped and cycles through cyan, gold, white, and black. */

@keyframes homeNavShellCycle {
  0%, 100% {
    color: #001d24;
    background: rgba(58, 223, 238, .90);
    border-color: #eaffff #147783 #147783 #eaffff;
    box-shadow: 2px 2px 0 rgba(0, 35, 42, .58), 0 0 18px rgba(58, 223, 238, .26);
  }
  25% {
    color: #231900;
    background: rgba(218, 177, 63, .92);
    border-color: #fff4c6 #725514 #725514 #fff4c6;
    box-shadow: 2px 2px 0 rgba(58, 40, 0, .58), 0 0 18px rgba(218, 177, 63, .24);
  }
  50% {
    color: #000;
    background: rgba(248, 248, 244, .94);
    border-color: #fff #666 #666 #fff;
    box-shadow: 2px 2px 0 rgba(0, 0, 0, .46), 0 0 18px rgba(255, 255, 255, .24);
  }
  75% {
    color: #fff;
    background: rgba(10, 10, 12, .94);
    border-color: #a8a8a8 #000 #000 #a8a8a8;
    box-shadow: 2px 2px 0 rgba(0, 0, 0, .72), 0 0 18px rgba(0, 0, 0, .34);
  }
}

@keyframes homeNavButtonCycle {
  0%, 100% {
    color: #001d24;
    background: rgba(183, 249, 255, .96);
    border-color: #fff #147783 #147783 #fff;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, .88);
  }
  25% {
    color: #231900;
    background: rgba(244, 211, 116, .96);
    border-color: #fff7d4 #725514 #725514 #fff7d4;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, .72);
  }
  50% {
    color: #000;
    background: rgba(255, 255, 255, .97);
    border-color: #fff #666 #666 #fff;
    text-shadow: 1px 1px 0 #fff;
  }
  75% {
    color: #fff;
    background: rgba(24, 24, 27, .97);
    border-color: #aaa #000 #000 #aaa;
    text-shadow: 1px 1px 0 #000;
  }
}

.home .site-header {
  top: 18px;
  display: flex;
  width: max-content;
  max-width: calc(100vw - 44px);
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 5px;
  border: 2px solid;
  border-radius: 0;
  backdrop-filter: none;
  animation: homeNavShellCycle 20s ease-in-out infinite;
}

.home .main-nav {
  gap: 3px;
}

.home .main-nav a,
.home .nav-toggle {
  border: 2px solid;
  border-radius: 0;
  box-shadow: none;
  animation: homeNavButtonCycle 20s ease-in-out infinite;
}

.home .main-nav a {
  min-height: 34px;
  padding: 0 10px;
}

.home .main-nav a:hover,
.home .main-nav a:focus-visible {
  filter: brightness(1.10);
  outline: 1px dotted currentColor;
  outline-offset: -5px;
}

.home .main-nav a[aria-current="page"] {
  border-color: #404040 #fff #fff #404040;
  box-shadow: inset 1px 1px 0 rgba(0, 0, 0, .46);
  filter: brightness(.82);
  outline: none;
}

.home .nav-toggle {
  width: 38px;
  height: 36px;
}

.home .nav-toggle:active,
.home .nav-toggle[aria-expanded="true"] {
  border-color: #404040 #fff #fff #404040;
  box-shadow: inset 1px 1px 0 rgba(0, 0, 0, .46);
  filter: brightness(.82);
}

@media (max-width: 850px) {
  .home .site-header {
    width: max-content;
    max-width: calc(100vw - 28px);
    padding: 5px;
  }

  .home .main-nav {
    left: 50%;
    right: auto;
    top: calc(100% + 4px);
    width: min(280px, calc(100vw - 28px));
    transform: translateX(-50%);
    padding: 4px;
    border: 2px solid;
    border-radius: 0;
    animation: homeNavShellCycle 20s ease-in-out infinite;
    backdrop-filter: none;
  }

  .home .main-nav a {
    min-height: 36px;
    padding: 0 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home .site-header,
  .home .main-nav,
  .home .main-nav a,
  .home .nav-toggle {
    animation: none;
  }

  .home .site-header,
  .home .main-nav {
    color: #001d24;
    background: rgba(58, 223, 238, .90);
    border-color: #eaffff #147783 #147783 #eaffff;
  }

  .home .main-nav a,
  .home .nav-toggle {
    color: #001d24;
    background: rgba(183, 249, 255, .96);
    border-color: #fff #147783 #147783 #fff;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, .88);
  }
}