/* Isolated header-only stylesheet. No page, hero, section, body background, or content layout rules. */

[data-site-shell] {
  --shell-text: #17251d;
  --shell-muted: rgba(23, 37, 29, 0.72);
  --shell-line: rgba(23, 37, 29, 0.14);
  --shell-panel: rgba(255, 255, 255, 0.78);
  --shell-strong: rgba(255, 255, 255, 0.96);
  --shell-accent: #3f7d63;
  --shell-shadow: 0 14px 34px rgba(20, 34, 26, 0.12);
  position: sticky;
  top: 0;
  z-index: 100;
  isolation: isolate;
  color: var(--shell-text);
  font-family: "Assistant", "Heebo", "Inter", Arial, sans-serif;
}

[data-site-shell] *, [data-site-shell] *::before, [data-site-shell] *::after { box-sizing: border-box; }
[data-site-shell] a { color: inherit; }

.site-shell {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(255,255,255,.56);
  border-bottom: 1px solid rgba(23,37,29,.10);
}
.site-shell__inner {
  width: min(1180px, calc(100% - 28px));
  min-height: 58px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 12px;
}
.site-shell__brand-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.site-shell__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  min-width: 0;
}
.site-shell__brand-logo {
  width: 34px;
  height: 34px;
  border: 1px solid var(--shell-line);
  background: rgba(255,255,255,.36);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .04em;
}
.site-shell__brand-text { display: none; }
.site-shell__brand-menu-toggle {
  width: 28px;
  height: 28px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--shell-muted);
  cursor: pointer;
}
.site-shell__brand-menu-toggle:hover,
.site-shell__brand-wrap.is-open .site-shell__brand-menu-toggle {
  border-color: var(--shell-line);
  background: rgba(255,255,255,.42);
  color: var(--shell-text);
}
.site-shell__brand-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 190px;
  border: 1px solid var(--shell-line);
  background: var(--shell-strong);
  box-shadow: var(--shell-shadow);
  padding: 7px;
  display: grid;
  gap: 3px;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.site-shell__brand-menu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  height: 10px;
}
.site-shell__brand-wrap:hover .site-shell__brand-menu,
.site-shell__brand-wrap.is-open .site-shell__brand-menu,
.site-shell__brand-menu:focus-within {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.site-shell__brand-menu-link {
  text-decoration: none;
  padding: 8px 10px;
  font-size: .9rem;
  color: var(--shell-muted);
}
.site-shell__brand-menu-link:hover,
.site-shell__brand-menu-link.is-current {
  background: rgba(63,125,99,.08);
  color: var(--shell-text);
}
.site-shell__context-link {
  text-decoration: none;
  color: var(--shell-accent);
  font-size: .9rem;
  font-weight: 900;
  white-space: nowrap;
}
.site-shell__desktop-nav { min-width: 0; }
.site-shell__desktop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}
.site-shell__item { position: relative; }
.site-shell__top-link,
.site-shell__top-button,
.site-shell__home-link {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--shell-text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .92rem;
  line-height: 1;
  cursor: pointer;
}
.site-shell__top-link:hover,
.site-shell__top-button:hover,
.site-shell__home-link:hover,
.site-shell__top-link.is-current,
.site-shell__top-button.is-current,
.site-shell__item--dropdown.is-open .site-shell__top-button {
  border-color: var(--shell-line);
  background: rgba(255,255,255,.42);
}
.site-shell__home-link { border-color: var(--shell-line); color: var(--shell-muted); white-space: nowrap; }
.site-shell__home-icon { font-size: 1rem; line-height: 1; }
.site-shell__caret { font-size: .76rem; transition: transform .2s ease; }
.site-shell__item--dropdown.is-open .site-shell__caret { transform: rotate(180deg); }
.site-shell__dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(430px,72vw);
  min-width: 270px;
  border: 1px solid var(--shell-line);
  background: var(--shell-strong);
  box-shadow: var(--shell-shadow);
  padding: 8px;
  display: grid;
  gap: 3px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity .22s ease, transform .22s ease;
}
.site-shell__dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  height: 10px;
}
.site-shell__item--dropdown:hover .site-shell__dropdown,
.site-shell__item--dropdown.is-open .site-shell__dropdown,
.site-shell__dropdown:focus-within {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.site-shell__dropdown-link {
  text-decoration: none;
  padding: 10px 11px;
  font-size: .94rem;
  color: var(--shell-muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.site-shell__dropdown-link:hover,
.site-shell__dropdown-link.is-current,
.site-shell__dropdown-link--section {
  color: var(--shell-text);
  background: rgba(63,125,99,.08);
}
.site-shell__dropdown-link--section { margin-top: 4px; border-top: 1px solid var(--shell-line); padding-top: 12px; }
.site-shell__hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--shell-line);
  background: rgba(255,255,255,.42);
  color: var(--shell-text);
}
.site-shell__hamburger span,
.site-shell__hamburger span::before,
.site-shell__hamburger span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: currentColor;
  transition: transform .2s ease;
}
.site-shell__hamburger span::before { transform: translateY(-6px); }
.site-shell__hamburger span::after { transform: translateY(4px); }
.site-shell__mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 105;
  background: rgba(12,17,14,.44);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
.site-shell__mobile-panel {
  position: fixed;
  top: 68px;
  right: 14px;
  z-index: 110;
  width: min(370px, calc(100vw - 28px));
  max-height: calc(100vh - 84px);
  overflow: auto;
  border: 1px solid var(--shell-line);
  background: rgba(255,255,255,.96);
  box-shadow: var(--shell-shadow);
  padding: 13px;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}
.site-shell__mobile-overlay.is-open,
.site-shell__mobile-panel.is-open { opacity: 1; pointer-events: auto; }
.site-shell__mobile-panel.is-open { transform: translateY(0); }
.site-shell__mobile-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }
.site-shell__mobile-close { border: 1px solid var(--shell-line); background: rgba(255,255,255,.45); color: var(--shell-text); width: 34px; height: 34px; }
.site-shell__mobile-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.site-shell__mobile-link,
.site-shell__mobile-group-toggle,
.site-shell__mobile-child-link {
  width: 100%;
  text-decoration: none;
  color: var(--shell-text);
  border: 0;
  background: transparent;
  text-align: right;
  padding: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  font-size: .95rem;
}
.site-shell__mobile-link.is-current,
.site-shell__mobile-group-toggle.is-current,
.site-shell__mobile-child-link.is-current,
.site-shell__mobile-group-toggle:hover,
.site-shell__mobile-link:hover,
.site-shell__mobile-child-link:hover { background: rgba(63,125,99,.08); }
.site-shell__mobile-group-content { display: grid; gap: 4px; padding: 0 8px 0 0; margin-top: 2px; max-height: 0; overflow: hidden; opacity: 0; transition: max-height .22s ease, opacity .22s ease; }
.site-shell__mobile-group-content.is-open { max-height: 500px; opacity: 1; }
body.site-shell-mobile-open { overflow: hidden; }

@media (max-width: 920px) {
  .site-shell__desktop-nav,
  .site-shell__context-link,
  .site-shell__home-link { display: none; }
  .site-shell__inner { min-height: 58px; grid-template-columns: 1fr auto; }
  .site-shell__hamburger { display: inline-flex; align-items: center; justify-content: center; }
}