:root {
  --chrome-surface: rgba(255, 251, 245, 0.96);
  --chrome-surface-strong: rgba(255, 249, 241, 0.98);
  --chrome-border: rgba(175, 129, 90, 0.18);
  --chrome-text: var(--text-main, #5a3924);
  --chrome-text-muted: var(--text-muted, #8d6d56);
  --chrome-accent: var(--button-main, #e08a4e);
  --chrome-accent-hover: var(--button-main-hover, #c96f37);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100vw;
  margin: 0 calc(50% - 50vw) 22px;
  background: var(--chrome-surface);
  border-bottom: 1px solid var(--chrome-border);
  backdrop-filter: blur(10px);
}

.site-nav-inner {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  padding: 0;
  margin: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  color: var(--chrome-text);
  text-decoration: none;
  font-weight: 800;
  font-size: clamp(1.28rem, 1.7vw, 1.72rem);
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-brand:hover {
  color: var(--chrome-accent);
}

.site-brand::after,
.site-brand::before {
  content: none;
}

.site-nav-desktop {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.8rem;
}

.site-nav-link,
.site-nav-mobile-link,
.site-nav-dropdown > summary,
.site-nav-mobile-group > summary {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  color: var(--chrome-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s ease;
}

.site-nav-link::after,
.site-nav-dropdown > summary::after,
.site-nav-mobile-link::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: -8px;
  height: 1.5px;
  background: rgba(196, 117, 60, 0.55);
  transition: left 0.2s ease, right 0.2s ease;
}

.site-nav-link:hover,
.site-nav-mobile-link:hover,
.site-nav-dropdown > summary:hover,
.site-nav-mobile-group > summary:hover,
.site-nav-link.is-active,
.site-nav-mobile-link.is-active,
.site-nav-dropdown > summary.is-active {
  color: var(--chrome-text);
}

.site-nav-link:hover::after,
.site-nav-mobile-link:hover::after,
.site-nav-dropdown > summary:hover::after,
.site-nav-link.is-active::after,
.site-nav-mobile-link.is-active::after,
.site-nav-dropdown > summary.is-active::after {
  left: 0;
  right: 0;
}

.site-nav-dropdown {
  position: relative;
}

.site-nav-dropdown > summary,
.site-nav-mobile-group > summary {
  list-style: none;
}

.site-nav-dropdown > summary::-webkit-details-marker,
.site-nav-mobile-group > summary::-webkit-details-marker {
  display: none;
}

.site-nav-dropdown > summary::before,
.site-nav-mobile-group > summary::before {
  content: "";
  order: 2;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.2s ease;
}

.site-nav-dropdown[open] > summary::before,
.site-nav-mobile-group[open] > summary::before {
  transform: rotate(225deg) translateY(-1px);
}

.site-nav-menu {
  position: absolute;
  top: calc(100% + 16px);
  right: 0;
  min-width: 220px;
  padding: 10px 0;
  background: var(--chrome-surface-strong);
  border: 1px solid var(--chrome-border);
  box-shadow: 0 18px 38px rgba(92, 58, 30, 0.12);
}

.site-theme-link {
  display: block;
  padding: 10px 16px;
  color: var(--chrome-text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-theme-link:hover,
.site-theme-link.is-active {
  color: var(--chrome-text);
  background: rgba(255, 244, 231, 0.92);
}

.site-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--chrome-border);
  border-radius: 999px;
  background: transparent;
  color: var(--chrome-text);
  cursor: pointer;
}

.site-nav-toggle-bars {
  position: relative;
  width: 18px;
  height: 14px;
}

.site-nav-toggle-bars span {
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-toggle-bars span:nth-child(1) { top: 0; }
.site-nav-toggle-bars span:nth-child(2) { top: 6px; }
.site-nav-toggle-bars span:nth-child(3) { top: 12px; }

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav-mobile {
  display: none;
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 0 32px 16px;
  border-top: 1px solid var(--chrome-border);
}

.site-nav-mobile[hidden] {
  display: none !important;
}

.site-nav-mobile-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 14px;
}

.site-nav-mobile-link {
  width: fit-content;
}

.site-nav-mobile-group {
  width: fit-content;
}

.site-nav-mobile-theme-links {
  display: grid;
  gap: 6px;
  margin-top: 12px;
}

.site-nav-mobile-theme-links .site-theme-link {
  padding: 6px 0;
  background: transparent;
}

.site-nav-mobile-theme-links .site-theme-link:hover,
.site-nav-mobile-theme-links .site-theme-link.is-active {
  background: transparent;
}

.site-footer {
  width: 100vw;
  margin: 40px calc(50% - 50vw) 0;
  padding: 18px 0;
  background: rgba(255, 251, 245, 0.9);
  border-top: 1px solid rgba(175, 129, 90, 0.14);
}

.site-footer-links {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: center;
  gap: 1rem 1.6rem;
  flex-wrap: wrap;
}

.site-footer-links a {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--chrome-text-muted);
}

.site-footer-links a:hover {
  color: var(--chrome-text);
}

@media (max-width: 768px) {
  .site-nav-inner {
    padding: 12px 18px;
  }

  .site-brand {
    font-size: clamp(1.12rem, 5vw, 1.4rem);
  }

  .site-nav-desktop {
    display: none;
  }

  .site-nav-toggle {
    display: inline-flex;
  }

  .site-nav-mobile {
    padding: 0 18px 14px;
  }

  .site-nav-mobile[data-open="true"] {
    display: block;
  }

  .site-footer-links {
    padding: 0 18px;
  }
}