:root {
  --site-nav-bg: #0b0f14;
  --site-nav-panel: #111827;
  --site-nav-border: #1f2937;
  --site-nav-text: #ffffff;
  --site-nav-muted: #9ca3af;
  --site-nav-accent: #38bdf8;
  --site-nav-z: 10050;
}

body.site-nav-open {
  overflow: hidden;
}

#siteNavRoot {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--site-nav-z);
}

#siteNavToggle {
  position: fixed;
  top: max(10px, env(safe-area-inset-top));
  right: max(10px, env(safe-area-inset-right));
  width: 46px;
  height: 46px;
  border: 1px solid var(--site-nav-border);
  border-radius: 12px;
  background: rgba(17, 24, 39, 0.96);
  color: var(--site-nav-text);
  cursor: pointer;
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

#siteNavToggle:hover {
  border-color: var(--site-nav-accent);
}

#siteNavToggle .bars,
#siteNavToggle .bars::before,
#siteNavToggle .bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

#siteNavToggle .bars::before,
#siteNavToggle .bars::after {
  content: "";
  position: absolute;
  left: 0;
}

#siteNavToggle .bars::before {
  top: -6px;
}

#siteNavToggle .bars::after {
  top: 6px;
}

#siteNavToggle.open .bars {
  background: transparent;
}

#siteNavToggle.open .bars::before {
  top: 0;
  transform: rotate(45deg);
}

#siteNavToggle.open .bars::after {
  top: 0;
  transform: rotate(-45deg);
}

#siteNavBackdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
}

#siteNavBackdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

#siteNavDrawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 88vw);
  height: 100%;
  background: linear-gradient(180deg, var(--site-nav-panel), #0d1320);
  border-left: 1px solid var(--site-nav-border);
  transform: translateX(100%);
  transition: transform 0.24s ease;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.35);
}

#siteNavDrawer.open {
  transform: translateX(0);
}

#siteNavDrawer h2 {
  margin: 8px 0 14px;
  font: 600 18px/1.2 Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--site-nav-accent);
}

#siteNavDrawer p {
  margin: 0 0 16px;
  color: var(--site-nav-muted);
  font: 400 13px/1.4 Inter, system-ui, sans-serif;
}

.site-nav-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-nav-links a {
  display: block;
  padding: 14px 14px;
  border-radius: 12px;
  border: 1px solid var(--site-nav-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--site-nav-text);
  text-decoration: none;
  font: 600 16px/1.2 Inter, system-ui, sans-serif;
  touch-action: manipulation;
}

.site-nav-links a:hover,
.site-nav-links a:focus-visible {
  border-color: var(--site-nav-accent);
  outline: none;
}

.site-nav-links a.active {
  background: rgba(56, 189, 248, 0.14);
  border-color: var(--site-nav-accent);
  color: var(--site-nav-accent);
}

@media (min-width: 900px) {
  #siteNavToggle {
    top: 14px;
    right: 14px;
  }
}