/* ==========================================================================
   Site header / navigation
   ========================================================================== */

.utility-bar {
  background-color: var(--color-secondary-dark);
  color: var(--color-white);
  font-size: var(--fs-sm);
}

.utility-bar .container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-6);
  padding-block: var(--space-2);
  flex-wrap: wrap;
}

.utility-bar a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-white);
  opacity: 0.92;
}

.utility-bar a:hover {
  opacity: 1;
  text-decoration: underline;
}

.utility-bar svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-md);
  line-height: 1.2;
  color: var(--color-primary-dark);
}

.brand-name small {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-list > li {
  position: relative;
}

.nav-list a:not(.btn) {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) 0;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-text);
  border-bottom: 2px solid transparent;
}

.nav-list a:not(.btn):hover,
.nav-list a:not(.btn):focus-visible,
.nav-list a.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.has-dropdown > a svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.has-dropdown:hover > a svg,
.has-dropdown:focus-within > a svg {
  transform: rotate(180deg);
}

.dropdown {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-1);
}

@media (min-width: 1024px) {
  .dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    min-width: 280px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  }

  .has-dropdown:hover .dropdown,
  .has-dropdown:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
}

.dropdown a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: var(--fs-sm);
  color: var(--color-text);
  border-bottom: none !important;
}

.dropdown a:hover,
.dropdown a:focus-visible {
  background-color: var(--color-primary-tint);
  color: var(--color-primary);
}

.dropdown .dropdown-all {
  margin-top: var(--space-1);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-weight: 700;
  color: var(--color-accent-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.nav-toggle:hover {
  background-color: var(--color-cream);
}

.nav-toggle svg {
  width: 26px;
  height: 26px;
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

@media (max-width: 1023px) {
  .utility-bar .container {
    justify-content: center;
    text-align: center;
  }

  .site-header .container {
    gap: var(--space-3);
  }

  .brand {
    flex-shrink: 1;
    min-width: 0;
    gap: var(--space-2);
  }

  .brand-name {
    font-size: 1rem;
    line-height: 1.2;
  }

  .brand-name small {
    font-size: 0.625rem;
  }

  .nav-toggle {
    display: inline-flex;
    flex-shrink: 0;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    top: 0;
    z-index: 95;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: var(--space-8) var(--space-5) var(--space-6);
    gap: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .nav-list a:not(.btn) {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }

  .has-dropdown > a svg {
    margin-left: auto;
  }

  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
  }

  .has-dropdown.is-expanded .dropdown {
    max-height: 800px;
    padding: var(--space-2) 0 var(--space-3) var(--space-4);
  }

  .nav-cta {
    margin-top: var(--space-4);
  }

  .nav-close-backdrop {
    display: none;
  }
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none !important;
  }
}