:root {
  --nav-black: #040306;
  --nav-cream: #fff3d7;
  --nav-muted: #b9a98d;
  --nav-green: #00ff99;
  --nav-pink: #ff2bd6;
  --nav-line: rgba(255, 243, 215, 0.22);
  --nav-max-width: 1160px;
  --nav-glow-green:
    0 0 12px rgba(0, 255, 153, 0.75),
    0 0 34px rgba(0, 255, 153, 0.25);
  --nav-glow-pink:
    0 0 12px rgba(255, 43, 214, 0.78),
    0 0 34px rgba(255, 43, 214, 0.28);
}

.site-navigation,
.site-navigation * {
  box-sizing: border-box;
}

.site-navigation {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1200;
  min-height: 72px;
  border-bottom: 2px solid rgba(0, 255, 153, 0.28);
  color: var(--nav-cream);
  background: rgba(4, 3, 6, 0.84);
  box-shadow: 0 0 22px rgba(0, 255, 153, 0.12);
  backdrop-filter: blur(12px);
  transition:
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.site-navigation.is-scrolled {
  background: rgba(4, 3, 6, 0.96);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.48);
}

.nav-container {
  position: relative;
  display: flex;
  width: min(calc(100% - 28px), var(--nav-max-width));
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-inline: auto;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--nav-green);
  font-family:
    "Courier New",
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;
  font-weight: 900;
  letter-spacing: -0.08em;
  text-decoration: none;
  text-shadow: var(--nav-glow-green);
  white-space: nowrap;
}

.site-brand__mark {
  color: var(--nav-pink);
  text-shadow: var(--nav-glow-pink);
  animation: nav-blink 1.4s steps(2, end) infinite;
}

.nav-panel {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.nav-links a,
.nav-login {
  position: relative;
  color: var(--nav-muted);
  font-family:
    "Courier New",
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;
  font-size: 0.8125rem;
  text-decoration: none;
  transition: color 120ms ease, text-shadow 120ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.is-active,
.nav-login:hover,
.nav-login:focus-visible {
  color: var(--nav-green);
  text-shadow: var(--nav-glow-green);
}

.nav-links a:hover::before,
.nav-links a:focus-visible::before,
.nav-links a.is-active::before {
  content: ">";
  position: absolute;
  left: -14px;
  color: var(--nav-pink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-user {
  max-width: 170px;
  overflow: hidden;
  color: var(--nav-muted);
  font-size: 0.75rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 2px solid var(--nav-line);
  color: var(--nav-cream);
  background: #0b0710;
  box-shadow: 4px 4px 0 rgba(255, 43, 214, 0.7);
  font-family:
    "Courier New",
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    transform 120ms ease,
    box-shadow 120ms ease,
    color 120ms ease,
    border-color 120ms ease;
}

.nav-button:hover,
.nav-button:focus-visible {
  border-color: var(--nav-green);
  color: var(--nav-green);
  box-shadow: 1px 1px 0 rgba(255, 43, 214, 0.7);
  text-shadow: var(--nav-glow-green);
  transform: translate(3px, 3px);
}

.nav-button--primary {
  border-color: var(--nav-green);
  color: var(--nav-green);
  background: linear-gradient(135deg, #130a18, #071510);
  box-shadow:
    4px 4px 0 var(--nav-pink),
    0 0 22px rgba(0, 255, 153, 0.22);
  text-shadow: var(--nav-glow-green);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 9px;
  border: 1px solid rgba(0, 255, 153, 0.45);
  color: var(--nav-green);
  background: rgba(0, 255, 153, 0.05);
  cursor: pointer;
}

.nav-toggle span:not(.visually-hidden) {
  display: block;
  width: 100%;
  height: 2px;
  margin: 6px 0;
  background: currentColor;
  box-shadow: 0 0 8px rgba(0, 255, 153, 0.8);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@keyframes nav-blink {
  0%,
  45% {
    opacity: 1;
  }
  46%,
  100% {
    opacity: 0;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .nav-panel {
    position: absolute;
    top: calc(100% + 2px);
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    padding: 0 14px;
    border-bottom: 0 solid rgba(0, 255, 153, 0.28);
    background: rgba(4, 3, 6, 0.98);
    opacity: 0;
    visibility: hidden;
    transition:
      max-height 220ms ease,
      padding 220ms ease,
      opacity 180ms ease,
      visibility 180ms ease,
      border-width 180ms ease;
  }

  .site-navigation.is-open .nav-panel {
    max-height: 520px;
    padding: 20px 14px 24px;
    border-bottom-width: 2px;
    opacity: 1;
    visibility: visible;
  }

  .nav-links,
  .nav-actions {
    display: grid;
    width: 100%;
    gap: 8px;
  }

  .nav-links {
    margin-bottom: 18px;
  }

  .nav-links a,
  .nav-login,
  .nav-button,
  .nav-user {
    display: flex;
    width: 100%;
    min-height: 44px;
    align-items: center;
  }

  .nav-links a {
    padding-inline: 14px;
    border: 1px solid transparent;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible,
  .nav-links a.is-active {
    border-color: rgba(0, 255, 153, 0.35);
    background: rgba(0, 255, 153, 0.05);
  }

  .nav-links a:hover::before,
  .nav-links a:focus-visible::before,
  .nav-links a.is-active::before {
    left: 1px;
  }

  .nav-login,
  .nav-user {
    justify-content: center;
  }

  .nav-user {
    max-width: none;
  }
}

@media (max-width: 440px) {
  .site-brand__name {
    font-size: 0.875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-brand__mark {
    animation: none;
  }

  .site-navigation,
  .nav-panel,
  .nav-button,
  .nav-toggle span:not(.visually-hidden) {
    transition: none;
  }
}