.site-menu {
  position: fixed;
  z-index: 1200;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  color: var(--text, #f4f4f2);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  pointer-events: none;
}

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

.site-menu-button {
  position: fixed;
  z-index: 1203;
  top: max(12px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left), calc(50vw - 720px));
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(217, 181, 90, 0.42);
  border-radius: 50%;
  color: var(--gold, #d9b55a);
  background: linear-gradient(145deg, rgba(35, 37, 42, 0.96), rgba(12, 13, 16, 0.96));
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.42), inset 0 0 0 1px rgba(255, 255, 255, 0.035);
  cursor: pointer;
  pointer-events: auto;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
  -webkit-tap-highlight-color: transparent;
}

.site-menu-button:hover {
  border-color: rgba(217, 181, 90, 0.82);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.5), 0 0 22px rgba(217, 181, 90, 0.08);
  transform: translateY(-1px);
}

.site-menu-button:focus-visible {
  outline: 3px solid rgba(217, 181, 90, 0.72);
  outline-offset: 3px;
}

.site-menu-icon {
  display: grid;
  width: 21px;
  gap: 4px;
}

.site-menu-icon span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  transform-origin: center;
  transition: opacity 180ms ease, transform 180ms ease;
}

.site-menu.is-open .site-menu-icon span:first-child { transform: translateY(6px) rotate(45deg); }
.site-menu.is-open .site-menu-icon span:nth-child(2) { opacity: 0; }
.site-menu.is-open .site-menu-icon span:last-child { transform: translateY(-6px) rotate(-45deg); }

.site-menu-backdrop {
  position: fixed;
  z-index: 1200;
  inset: 0;
  visibility: hidden;
  border: 0;
  opacity: 0;
  background: rgba(0, 0, 0, 0.68);
  pointer-events: none;
  transition: opacity 200ms ease, visibility 200ms ease;
}

.site-menu-panel {
  position: fixed;
  z-index: 1202;
  top: 0;
  bottom: 0;
  left: 0;
  visibility: hidden;
  width: min(334px, calc(100vw - 18px));
  padding: max(82px, calc(env(safe-area-inset-top) + 70px)) 22px max(26px, env(safe-area-inset-bottom));
  overflow-y: auto;
  border-right: 1px solid rgba(217, 181, 90, 0.28);
  border-radius: 0 24px 24px 0;
  opacity: 0;
  background:
    radial-gradient(circle at 0 0, rgba(217, 181, 90, 0.14), transparent 22rem),
    linear-gradient(180deg, rgba(27, 29, 34, 0.99), rgba(10, 11, 14, 0.995));
  box-shadow: 24px 0 70px rgba(0, 0, 0, 0.54);
  pointer-events: none;
  transform: translateX(-104%);
  transition: opacity 200ms ease, transform 220ms ease, visibility 220ms ease;
}

.site-menu.is-open .site-menu-backdrop {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.site-menu.is-open .site-menu-panel {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.site-menu-kicker {
  margin: 0 0 5px;
  color: var(--gold, #d9b55a);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.site-menu-title {
  margin: 0 0 24px;
  color: var(--text, #f4f4f2);
  font-size: 2rem;
  line-height: 1;
}

.site-menu-links {
  display: grid;
  gap: 7px;
}

.site-menu-link {
  display: flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 14px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--silver, #d8d9dc);
  background: rgba(255, 255, 255, 0.025);
  font-size: 1rem;
  font-weight: 750;
  line-height: 1.25;
  text-decoration: none;
  transition: border-color 150ms ease, color 150ms ease, background 150ms ease;
}

.site-menu-link::after {
  color: rgba(217, 181, 90, 0.72);
  content: "→";
  font-size: 1rem;
}

.site-menu-link:hover {
  border-color: rgba(217, 181, 90, 0.3);
  color: var(--text, #f4f4f2);
  background: rgba(217, 181, 90, 0.08);
}

.site-menu-link[aria-current="page"] {
  border-color: rgba(217, 181, 90, 0.44);
  color: var(--gold, #d9b55a);
  background: rgba(217, 181, 90, 0.12);
}

.site-menu-link:focus-visible {
  outline: 3px solid rgba(217, 181, 90, 0.68);
  outline-offset: 2px;
}

@supports (backdrop-filter: blur(1px)) {
  .site-menu-button { backdrop-filter: blur(12px); }
  .site-menu-backdrop { backdrop-filter: blur(4px); }
}

@media (max-width: 580px) {
  .site-menu-button {
    top: max(9px, env(safe-area-inset-top));
    left: max(9px, env(safe-area-inset-left));
    width: 44px;
    height: 44px;
  }

  .site-menu-panel {
    width: calc(100vw - 10px);
    padding-inline: 18px;
    border-radius: 0 20px 20px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-menu-button,
  .site-menu-icon span,
  .site-menu-backdrop,
  .site-menu-panel,
  .site-menu-link { transition: none; }
}