/* ==========================================================================
   OakMD shared primary navigation
   One responsive tree (header.njk) for homepage, static and server shells.
   Dark logo header, warm light panels, bronze accents.
   ========================================================================== */
.site-header {
  --sn-bar: rgba(24, 24, 22, 0.97);
  --sn-bar-line: rgba(250, 249, 246, 0.1);
  --sn-on-bar: #FAF9F6;
  --sn-on-bar-dim: rgba(250, 249, 246, 0.78);
  --sn-accent: #C5A15A;
  --sn-canvas: #FAF9F6;
  --sn-surface: #F2F0EB;
  --sn-line: #E3DED3;
  --sn-ink: #181816;
  --sn-body: #4A4844;
  --sn-muted: #6B655C;
  --sn-bronze: #7A5C22;
  --sn-focus: #C9A24B;
  --sn-height: 80px;
  --sn-gutter: 24px;
  --sn-font: var(--oak-font-body, var(--font-base, Inter, system-ui, -apple-system, "Segoe UI", sans-serif));
  --sn-display: var(--oak-font-display, var(--font-display, Georgia, "Times New Roman", serif));
  --sn-ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--sn-bar);
  border-bottom: 1px solid var(--sn-bar-line);
  font-family: var(--sn-font);
  -webkit-font-smoothing: antialiased;
}

/* Homepage: the header lives inside the fixed .oak-shell-top with the ticker. */
.oak-shell-top .site-header {
  position: relative;
  top: auto;
}

.site-header *,
.site-header *::before,
.site-header *::after {
  box-sizing: border-box;
}

.site-header ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header-bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  max-width: 1240px;
  min-height: var(--sn-height);
  margin-inline: auto;
  padding-inline: var(--sn-gutter);
}

/* Logo: original pixels, no filters or recolouring. */
.site-header-logo {
  display: flex;
  align-items: center;
  flex: 0 1 auto;
  min-width: 0;
  min-height: 44px;
  border-radius: 4px;
}

.site-header-logo-img {
  display: block;
  width: 206px;
  max-width: 100%;
  height: auto;
  filter: none;
}

/* ---------- Shared link + control reset ---------- */
:where(.site-header) a {
  color: inherit;
  text-decoration: none;
}

:where(.site-header) :is(button, summary) {
  margin: 0;
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.site-header :is(a, button, summary):focus-visible {
  outline: 2px solid var(--sn-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-header summary {
  list-style: none;
}

.site-header summary::-webkit-details-marker {
  display: none;
}

.site-nav-disclosure {
  margin-left: auto;
}

/* Native state, not a script-readiness flag, owns visibility from first paint.
   Explicit closed rules also protect against other styles overriding the UA. */
.site-nav-category:not([open]) > .site-nav-panel {
  display: none;
}

/* ---------- Panel content (shared by both layouts) ---------- */
.site-nav-overview {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--sn-ink);
  font-family: var(--sn-display);
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.site-nav-overview svg {
  flex-shrink: 0;
  color: var(--sn-bronze);
  transition: transform 0.18s var(--sn-ease);
}

.site-nav-overview:hover svg {
  transform: translateX(3px);
}

.site-nav-overview:hover span,
.site-nav-overview[aria-current] span {
  text-decoration: underline;
  text-decoration-color: var(--sn-accent);
  text-underline-offset: 5px;
}

.site-nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding-block: 4px;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}

.site-nav-links--treatments a {
  color: var(--sn-ink);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.35;
}

.site-nav-links--resources {
  border-color: var(--sn-line);
}

.site-nav-links--resources a {
  color: var(--sn-muted);
  font-size: 14px;
  line-height: 1.4;
}

.site-nav-links a:hover,
.site-nav-links a[aria-current] {
  color: var(--sn-ink);
  text-decoration: underline;
  text-decoration-color: var(--sn-accent);
}

.site-nav-links a[aria-current] {
  font-weight: 600;
}

.site-nav-note {
  margin: 0;
  color: var(--sn-muted);
  font-size: 12.5px;
  line-height: 1.5;
}

/* ==========================================================================
   Desktop (>= 1180px)
   ========================================================================== */
@media (min-width: 1180px) {
  .site-nav-toggle {
    display: none !important;
  }

  .site-nav-disclosure {
    flex: 1 1 auto;
    align-self: stretch;
    min-width: 0;
    display: flex;
    margin-left: 0;
  }

  /* Expose the one tree on desktop even though the mobile disclosure starts
     closed. Categories remain independently closed native disclosures. */
  .site-nav-disclosure::details-content {
    display: contents;
    content-visibility: visible;
  }

  /* Older engines without ::details-content retain a usable native Menu
     disclosure until JS opens the desktop wrapper. */
  @supports not selector(::details-content) {
    .site-header:not([data-nav-ready="true"]) .site-nav-toggle {
      display: inline-flex !important;
      align-items: center;
      min-height: 44px;
      color: var(--sn-on-bar);
    }
  }

  .site-nav-category {
    display: flex;
    align-items: center;
  }

  .site-nav {
    flex: 1 1 auto;
    display: flex;
    align-self: stretch;
    min-width: 0;
  }

  .site-nav-list {
    display: flex;
    align-items: stretch;
    gap: 6px;
    width: 100%;
  }

  .site-nav-item {
    display: flex;
    align-items: center;
  }

  .site-nav-item--utility {
    margin-left: auto;
  }

  .site-nav-trigger,
  .site-nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 44px;
    padding: 8px 10px;
    color: var(--sn-on-bar);
    font-size: 13.5px;
    line-height: 1.4;
    white-space: nowrap;
    transition: color 0.18s var(--sn-ease);
  }

  .site-nav-item--utility .site-nav-link {
    font-size: 15px;
  }

  .site-nav-trigger::after,
  .site-nav-link::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 6px;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s var(--sn-ease);
  }

  .site-nav-trigger:hover,
  .site-nav-trigger[aria-expanded="true"],
  .site-nav-category[open] > .site-nav-trigger,
  .site-nav-link:hover {
    color: var(--sn-accent);
  }

  .site-nav-trigger:hover::after,
  .site-nav-trigger[aria-expanded="true"]::after,
  .site-nav-category[open] > .site-nav-trigger::after,
  .site-nav-link:hover::after,
  .site-nav-trigger.is-current::after,
  .site-nav-link[aria-current]::after {
    transform: scaleX(1);
  }

  .site-nav-trigger.is-current,
  .site-nav-link[aria-current] {
    color: var(--sn-accent);
  }

  .site-nav-chevron {
    opacity: 0.8;
    transition: transform 0.18s var(--sn-ease);
  }

  .site-nav-category[open] > .site-nav-trigger .site-nav-chevron {
    transform: rotate(180deg);
  }

  /* Panel spans the header bar width, anchored below it. */
  .site-nav-panel {
    position: absolute;
    top: 100%;
    left: var(--sn-gutter);
    right: var(--sn-gutter);
    z-index: 210;
    display: grid;
    grid-template-columns: minmax(200px, 0.9fr) minmax(0, 1.1fr) minmax(0, 1.2fr);
    gap: 0 40px;
    align-items: start;
    padding: 30px 36px 32px;
    margin-top: 10px;
    background: var(--sn-canvas);
    border: 1px solid var(--sn-line);
    border-radius: 10px;
    box-shadow: 0 18px 40px rgba(24, 24, 22, 0.16), 0 2px 6px rgba(24, 24, 22, 0.06);
  }

  /* Pointer bridge across the 10px gap so hover does not drop. */
  .site-nav-panel::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -11px;
    height: 11px;
  }

  .site-nav-overview {
    padding-right: 24px;
  }

  .site-nav-links--treatments {
    display: grid;
    gap: 2px;
  }

  .site-nav-links--resources {
    display: grid;
    gap: 2px;
    padding: 4px 0 4px 32px;
    border-left: 1px solid var(--sn-line);
  }

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

  .site-header[data-nav-ready="true"] .site-nav-item.is-open .site-nav-panel {
    animation: site-nav-panel-in 0.18s var(--sn-ease);
  }
}

@media (min-width: 1180px) and (max-width: 1260px) {
  .site-nav-list { gap: 2px; }
  .site-nav-trigger,
  .site-nav-link { padding-inline: 8px; font-size: 13px; }
}

@keyframes site-nav-panel-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: none; }
}

/* ==========================================================================
   Below 1180px: menu disclosure with accordion categories
   ========================================================================== */
@media (max-width: 1179px) {
  .site-header-bar {
    justify-content: space-between;
    flex-wrap: nowrap;
  }

  .site-nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    margin-right: -8px;
    padding: 8px 12px;
    color: var(--sn-on-bar);
    font-size: 14px;
    letter-spacing: 0.02em;
    border: 1px solid rgba(250, 249, 246, 0.22);
    border-radius: 999px;
    transition: border-color 0.18s var(--sn-ease), background-color 0.18s var(--sn-ease);
  }

  .site-nav-toggle:hover,
  .site-nav-disclosure[open] > .site-nav-toggle {
    border-color: var(--sn-accent);
    background: rgba(250, 249, 246, 0.06);
  }

  .site-nav-toggle-bars {
    position: relative;
    display: inline-block;
    width: 18px;
    height: 12px;
  }

  .site-nav-toggle-bars span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 1.6px;
    border-radius: 2px;
    background: currentColor;
    transition: transform 0.2s var(--sn-ease), opacity 0.2s var(--sn-ease);
  }

  .site-nav-toggle-bars span:nth-child(1) { top: 0; }
  .site-nav-toggle-bars span:nth-child(2) { top: 5.2px; }
  .site-nav-toggle-bars span:nth-child(3) { top: 10.4px; }

  .site-nav-disclosure[open] > .site-nav-toggle .site-nav-toggle-bars span:nth-child(1) { transform: translateY(5.2px) rotate(45deg); }
  .site-nav-disclosure[open] > .site-nav-toggle .site-nav-toggle-bars span:nth-child(2) { opacity: 0; }
  .site-nav-disclosure[open] > .site-nav-toggle .site-nav-toggle-bars span:nth-child(3) { transform: translateY(-5.2px) rotate(-45deg); }

  .site-nav {
    flex: 1 0 100%;
    background: var(--sn-canvas);
    color: var(--sn-ink);
    margin-inline: calc(var(--sn-gutter) * -1);
    padding: 8px var(--sn-gutter) 28px;
  }

  /* Native closed state works with disabled, failed or delayed JavaScript. */
  .site-nav-disclosure:not([open]) > .site-nav {
    display: none;
  }

  .site-nav-disclosure[open] > .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    margin: 0;
    /* Reserve ticker room before JS can measure the actual header bottom. */
    max-height: calc(100vh - var(--site-nav-top, calc(var(--sn-height) + 80px)));
    max-height: calc(100dvh - var(--site-nav-top, calc(var(--sn-height) + 80px)));
    overflow-y: auto;
    overscroll-behavior: contain;
    border-top: 1px solid var(--sn-bar-line);
    box-shadow: 0 24px 40px rgba(24, 24, 22, 0.18);
    animation: site-nav-sheet-in 0.2s var(--sn-ease);
  }

  .site-nav-list {
    max-width: 640px;
    margin-inline: auto;
  }

  .site-nav-item {
    border-bottom: 1px solid var(--sn-line);
  }

  .site-nav-trigger,
  .site-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    min-height: 56px;
    padding: 12px 2px;
    color: var(--sn-ink);
    font-family: var(--sn-display);
    font-size: 20px;
    line-height: 1.3;
    text-align: left;
  }

  .site-nav-trigger.is-current,
  .site-nav-link[aria-current] {
    color: var(--sn-bronze);
  }

  .site-nav-chevron {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--sn-muted);
    transition: transform 0.18s var(--sn-ease);
  }

  .site-nav-category[open] > .site-nav-trigger .site-nav-chevron {
    transform: rotate(180deg);
  }

  .site-nav-panel {
    display: grid;
    gap: 14px;
    padding: 2px 0 22px 16px;
    margin-left: 2px;
    border-left: 2px solid var(--sn-accent);
  }

  .site-nav-overview {
    font-size: 18px;
    min-height: 44px;
  }

  .site-nav-links--treatments a {
    min-height: 44px;
    font-size: 16px;
  }

  .site-nav-links--resources {
    padding-top: 10px;
    border-top: 1px solid var(--sn-line);
  }

  .site-nav-links--resources a {
    min-height: 44px;
    font-size: 15px;
  }

  .site-nav-note {
    max-width: 640px;
    margin: 22px auto 0;
  }

  /* Scroll lock while the menu is open (always removed by site-nav.js). */
  html.site-nav-open,
  html.site-nav-open body {
    overflow: hidden;
  }

}

@media (max-width: 767px) {
  .site-header {
    --sn-gutter: 20px;
  }

  .site-header-bar {
    gap: 16px;
  }

  .site-header-logo-img {
    width: 176px;
  }
}

@media (max-width: 359px) {
  .site-header-logo-img {
    width: 140px;
  }

  .site-nav-toggle-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .site-nav-toggle {
    width: 44px;
    justify-content: center;
    padding: 0;
  }
}

@keyframes site-nav-sheet-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .site-header *,
  .site-header *::before,
  .site-header *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ==========================================================================
   Footer column labels (replace former <h6> column headings)
   ========================================================================== */
.footer-col-label {
  margin: 0 0 16px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* ==========================================================================
   Onboarding pause banner (beneath the header bar, in normal flow)
   ========================================================================== */
.site-reopening {
  position: relative;
  z-index: 1;
  background: #F2EADB;
  color: var(--sn-ink);
  border-top: 1px solid rgba(197, 161, 90, 0.55);
}
.site-reopening-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  max-width: 1240px;
  margin-inline: auto;
  padding: 10px var(--sn-gutter);
}
.site-reopening-text {
  flex: 1 1 320px;
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  color: var(--sn-ink);
}
.site-reopening-details { flex: 0 0 auto; }
.site-header:has(.site-reopening-details[open]) { position: relative; }
.site-reopening-details[open] { flex: 1 0 100%; }
.site-reopening-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sn-bronze) !important;
  border: 1px solid var(--sn-bronze) !important;
  border-radius: 999px;
  transition: background-color 0.18s var(--sn-ease), color 0.18s var(--sn-ease);
}
.site-reopening-toggle:hover {
  background: var(--sn-bronze) !important;
  color: var(--sn-canvas) !important;
}
.site-reopening-toggle:focus-visible { outline-color: var(--sn-bronze) !important; }
.site-reopening-chevron { transition: transform 0.18s var(--sn-ease); }
.site-reopening-details[open] .site-reopening-chevron { transform: rotate(180deg); }
.site-reopening-details:not([open]) > .site-reopening-panel { display: none; }
.site-reopening-panel {
  max-width: 520px;
  margin: 10px 0 4px;
}
.site-reopening-frame {
  display: block;
  width: 100%;
  height: 340px;
  border: 1px solid var(--sn-line);
  border-radius: 10px;
  background: var(--sn-canvas);
}
@media (max-width: 767px) {
  .site-reopening-text { font-size: 13.5px; flex-basis: 100%; }
  .site-reopening-frame { height: 400px; }
}
/* Mobile menu sheet sits above the banner when open. */
@media (max-width: 1179px) {
  .site-header-bar { z-index: 2; }
}