/* ============================================================
   ALIGN HEALTH CO — Navigation CSS
   Desktop dropdowns, mobile nav groups, current-page highlight.
   Loaded after v4.css. The existing breakpoint at 768px hides
   .nav-links / .header-cta and shows .hamburger.
   ============================================================ */

/* ===== Dropdown toggle button — make it look like a nav link ===== */
.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-foreground);
  text-decoration: none;
  transition: color var(--transition);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  line-height: 1.4;
}
.nav-link:hover { color: var(--color-primary); }

.nav-link--toggle {
  background: none;
  border: none;
  font-family: inherit;
  padding: 0;
}

.nav-caret {
  font-size: 0.7em;
  line-height: 1;
  transition: transform 0.2s ease;
  display: inline-block;
}

.nav-link--toggle[aria-expanded="true"] .nav-caret,
.has-dropdown.is-open .nav-link--toggle .nav-caret {
  transform: rotate(180deg);
}

/* ===== Dropdown panel ===== */
.nav-item.has-dropdown {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: -12px;
  min-width: 230px;
  background: #fff;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(2, 63, 74, 0.10), 0 2px 6px rgba(0, 0, 0, 0.04);
  padding: 0.5rem 0;
  margin: 0;
  list-style: none;
  visibility: hidden;
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0s linear 0.18s;
  z-index: 1000;
}

/* Hover bridge so the cursor can cross the small gap without closing */
.nav-dropdown::before {
  content: '';
  position: absolute;
  inset: -10px 0 auto 0;
  height: 10px;
}

.nav-item.has-dropdown:hover > .nav-dropdown,
.nav-item.has-dropdown:focus-within > .nav-dropdown,
.nav-item.has-dropdown.is-open > .nav-dropdown {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0s linear 0s;
}

.nav-dropdown li { margin: 0; }

.nav-dropdown a {
  display: block;
  padding: 0.55rem 1.1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-foreground, #0f1928);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
  background: rgba(0, 181, 200, 0.08);
  color: var(--color-primary, #023F4A);
  outline: none;
}

.nav-dropdown a[aria-disabled="true"] {
  color: var(--color-muted, #6b7280);
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== Current-page indicator ===== */
.nav-link.is-current,
.nav-link--toggle.is-current,
.nav-dropdown a.is-current {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.is-current::after {
  content: '';
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  margin-top: 4px;
}

/* ===== Disabled top-level links ===== */
.nav-link[aria-disabled="true"] {
  color: var(--color-muted, #6b7280);
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== Mobile nav — groups (accordion) ===== */
.mobile-nav {
  gap: 0;
}
.mobile-nav > a,
.mobile-nav-group {
  border-bottom: 1px solid var(--color-border, #e5e7eb);
}
.mobile-nav > a {
  padding-block: var(--space-30, 1rem);
}

.mobile-nav-group {
  display: block;
}

.mobile-nav-group__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-foreground);
  padding-block: var(--space-30, 1rem);
  cursor: pointer;
  text-align: left;
}

.mobile-nav-group__toggle .nav-caret {
  margin-left: 1rem;
  font-size: 0.75em;
}

.mobile-nav-group__items {
  display: flex;
  flex-direction: column;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}

.mobile-nav-group.is-open .mobile-nav-group__items {
  max-height: 600px;
}

.mobile-nav-group__items a {
  padding: 0.55rem 0 0.55rem 1.25rem;
  font-size: 0.9875rem;
  color: var(--color-body);
  text-decoration: none;
  border-bottom: none;
}

.mobile-nav-group__items a:hover,
.mobile-nav-group__items a:focus-visible {
  color: var(--color-primary);
  outline: none;
}

.mobile-nav-group__items a[aria-disabled="true"] {
  color: var(--color-muted);
  opacity: 0.6;
  pointer-events: none;
}

.mobile-nav-group__items a.is-current,
.mobile-nav > a.is-current {
  color: var(--color-primary);
  font-weight: 600;
}

.mobile-nav > a[aria-disabled="true"] {
  color: var(--color-muted);
  opacity: 0.6;
  pointer-events: none;
}

/* Hide dropdowns entirely on mobile-nav breakpoint (desktop nav already hidden by style.css @ 768) */
@media (max-width: 768px) {
  .nav-item.has-dropdown .nav-dropdown {
    display: none;
  }
}

/* ===== v2 body class — dark navy header overrides ===== */
/* v2.css sets .v2 .site-header background to rgba(2,63,74,0.97) and .v2 .nav-links a to white.
   Our dropdown toggles are <button>, not <a>, so they need explicit white treatment too. */

.v2 .nav-link {
  color: rgba(255, 255, 255, 0.8);
}
.v2 .nav-link:hover,
.v2 .nav-link:focus-visible {
  color: #fff;
}

.v2 .nav-link--toggle {
  color: rgba(255, 255, 255, 0.8);
}
.v2 .nav-link--toggle:hover,
.v2 .nav-link--toggle:focus-visible,
.v2 .has-dropdown:hover .nav-link--toggle,
.v2 .has-dropdown.is-open .nav-link--toggle {
  color: #fff;
}

.v2 .nav-caret {
  color: rgba(255, 255, 255, 0.55);
}

/* Top-level disabled links (Pricing, Blog) — keep them visually identical
   to active links; only differentiate by cursor + pointer-events. */
.v2 .nav-link[aria-disabled="true"] {
  color: rgba(255, 255, 255, 0.8);
  opacity: 1;
}

/* Current-page indicator on dark header — switch from primary navy to brand cyan */
.v2 .nav-link.is-current,
.v2 .nav-link--toggle.is-current {
  color: #00B5C8;
}
.v2 .nav-link.is-current::after {
  background: #00B5C8;
}

/* ----- Dropdown PANEL items — light panel, so override v2's white-on-dark rule ----- */
/* v2.css's `.v2 .nav-links a` whites EVERY descendant <a> including those inside
   the dropdown panel — which sits on a white background. Reassert dark text here. */
.v2 .nav-dropdown a {
  color: var(--color-foreground, #023F4A);
}
.v2 .nav-dropdown a:hover,
.v2 .nav-dropdown a:focus-visible {
  background: rgba(0, 181, 200, 0.08);
  color: var(--color-primary, #023F4A);
}
.v2 .nav-dropdown a[aria-disabled="true"] {
  color: var(--color-muted, #6b7280);
  opacity: 0.6;
}
.v2 .nav-dropdown a.is-current {
  color: #00B5C8;
  font-weight: 600;
}

/* v2.css sets .v2 .mobile-nav background to navy and .v2 .mobile-nav a to white;
   our group toggles and group items are <button>/nested-<a> so they need explicit white. */
.v2 .mobile-nav > a,
.v2 .mobile-nav-group {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.v2 .mobile-nav-group__toggle {
  color: rgba(255, 255, 255, 0.92);
}

.v2 .mobile-nav-group__toggle .nav-caret {
  color: rgba(255, 255, 255, 0.6);
}

.v2 .mobile-nav-group__items a {
  color: rgba(255, 255, 255, 0.72);
  border-bottom: none;
}

.v2 .mobile-nav-group__items a:hover,
.v2 .mobile-nav-group__items a:focus-visible {
  color: #00B5C8;
}

.v2 .mobile-nav-group__items a[aria-disabled="true"] {
  color: rgba(255, 255, 255, 0.35);
}

.v2 .mobile-nav-group__items a.is-current,
.v2 .mobile-nav > a.is-current {
  color: #00B5C8;
}

.v2 .mobile-nav > a[aria-disabled="true"] {
  color: rgba(255, 255, 255, 0.35);
}

/* ===== Footer link disabled state ===== */
.footer-col a[aria-disabled="true"],
.footer-legal a[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
  cursor: not-allowed;
}

.footer-col a.is-current,
.footer-legal a.is-current {
  color: var(--color-primary);
  font-weight: 600;
}

/* ===== Audience row disabled state (homepage Who We Help section) ===== */
.audience-row[aria-disabled="true"] {
  opacity: 0.78;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== Treatment split link disabled state ===== */
.treatment-split__link[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}