.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: rgba(26, 23, 20, 0.68);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border-dark);
  transition: transform var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header.is-scrolled { background: rgba(26, 23, 20, 0.92); }

.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: 1.1rem;
}

.site-header__logo {
  display: flex;
  align-items: center;
  transition: transform var(--dur-fast) var(--ease-out);
}
.site-header__logo svg { height: 38px; width: auto; transition: height var(--dur-med) var(--ease-out); }
.site-header.is-scrolled .site-header__logo svg { height: 30px; }

.main-nav__list {
  display: flex;
  align-items: center;
  gap: 2.1rem;
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav__list .is-active { color: var(--color-accent); }

.main-nav__dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-weight: 500;
}
.main-nav__dropdown-trigger::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur-fast) var(--ease-out);
}
.has-dropdown:hover .main-nav__dropdown-trigger::after,
.has-dropdown:focus-within .main-nav__dropdown-trigger::after {
  transform: rotate(225deg) translateY(2px);
}

.has-dropdown { position: relative; }

.mega-dropdown {
  position: absolute;
  top: calc(100% + 1.4rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  background: var(--charcoal-800);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), visibility var(--dur-fast);
  box-shadow: 0 24px 48px -16px rgba(0,0,0,0.6);
}
.has-dropdown:hover .mega-dropdown,
.has-dropdown:focus-within .mega-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.mega-dropdown ul { display: flex; flex-direction: column; gap: 0.15rem; }
.mega-dropdown li {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 35ms);
}
.has-dropdown:hover .mega-dropdown li,
.has-dropdown:focus-within .mega-dropdown li {
  opacity: 1;
  transform: translateY(0);
}
.mega-dropdown a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-on-dark-muted);
}
.mega-dropdown a:hover { color: var(--color-accent); background: rgba(184,151,104,0.08); }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.site-header__phone {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.site-header__actions .btn { padding: 0.85em 1.7em; }

.main-nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
}
.main-nav__toggle span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.main-nav__toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.main-nav__toggle.is-active span:nth-child(2) { opacity: 0; }
.main-nav__toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Raised from 960px: with 6 top-level items (Home, Services, Packages,
   About Us, Concierge Healthcare, More) plus the phone number and Book Now
   button, the flat desktop nav has no room below ~1160px and Chrome falls
   back to shrinking flex items, wrapping "About Us" / "Concierge Healthcare"
   text mid-word instead of taking a new line. */
@media (max-width: 1200px) {
  .site-header__phone { display: none; }

  .main-nav__toggle { display: flex; }

  .main-nav__list {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(340px, 84vw);
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0.4rem;
    background: var(--charcoal-900);
    padding: 6.5rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform var(--dur-med) var(--ease-out);
    overflow-y: auto;
  }
  .main-nav__list.is-open { transform: translateX(0); }
  .main-nav__list > li { width: 100%; padding-block: 0.55rem; border-bottom: 1px solid var(--color-border-dark); }

  .mega-dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0.4rem 0 0;
  }
  .has-dropdown.is-open .mega-dropdown { display: block; }
  .mega-dropdown li { opacity: 1; transform: none; transition-delay: 0ms; }

  .site-header__actions .btn--outline { display: none; }
}