/* =========================================================================
   SITE HEADER
   Stacks two rows: a slim utility bar (contact + social + portal) on top,
   and the primary brand + nav row beneath. Consumes tier 2 theme tokens only.
   ========================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: var(--theme-color-background-default);
  border-bottom: 1px solid var(--theme-color-border-subtle);
  backdrop-filter: saturate(180%) blur(8px);
}

/* -------------------------------------------------------------------------
   Utility bar — full-bleed dark band
   ------------------------------------------------------------------------- */

.site-utility {
  background-color: var(--theme-color-background-inverse);
  color: var(--theme-color-text-inverse);
  font-size: var(--theme-font-size-small);
}

.site-utility__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--theme-space-inline-md);
  padding-block: var(--theme-space-stack-xs);
}

.site-utility__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--theme-space-inline-md);
}

.site-utility__link {
  display: inline-flex;
  align-items: center;
  gap: var(--theme-space-inline-xs);
  color: inherit;
  text-decoration: none;
  transition: color var(--theme-duration-fast) var(--theme-easing-default);
}

.site-utility__link:hover,
.site-utility__link:focus-visible {
  color: var(--theme-color-brand-primary);
}

.site-utility__link--icon {
  padding: var(--theme-space-inline-xs);
}

.site-utility__icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

@media (max-width: 48rem) {
  .site-utility__inner {
    gap: var(--theme-space-inline-sm);
  }

  .site-utility__link span {
    /* Hide phone/email labels; icons remain tappable */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* Client Portal label stays visible — it's the primary CTA */
  .site-utility__link--portal span {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
  }
}

/* -------------------------------------------------------------------------
   Primary row — brand + nav
   ------------------------------------------------------------------------- */

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--theme-space-inline-lg);
  padding-block: var(--theme-space-stack-sm);
}

@media (max-width: 64rem) {
  .site-header__inner {
    grid-template-columns: 1fr;
    row-gap: var(--theme-space-stack-xs);
  }
}

/* -------------------------------------------------------------------------
   Brand (mark + wordmark)
   ------------------------------------------------------------------------- */

.site-header__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.site-header__logo {
  display: block;
  width: auto;
  height: 4rem;
  max-width: 100%;
}

@media (max-width: 48rem) {
  .site-header__logo {
    height: 3rem;
  }
}

/* -------------------------------------------------------------------------
   Primary navigation — right-aligned on desktop
   ------------------------------------------------------------------------- */

.site-header__nav {
  justify-self: end;
}

.site-header__nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--theme-space-inline-md);
  justify-content: flex-end;
}

.site-header__nav-list a {
  font-family: var(--theme-font-family-body);
  font-size: var(--theme-font-size-small);
  font-weight: var(--theme-font-weight-emphasis);
  letter-spacing: var(--theme-letter-spacing-eyebrow);
  text-transform: uppercase;
  color: var(--theme-color-text-default);
  text-decoration: none;
  padding-block: var(--theme-space-stack-xs);
  border-bottom: 2px solid transparent;
  transition:
    color var(--theme-duration-fast) var(--theme-easing-default),
    border-color var(--theme-duration-fast) var(--theme-easing-default);
}

.site-header__nav-list a:hover,
.site-header__nav-list a:focus-visible {
  color: var(--theme-color-brand-emphasis);
  border-bottom-color: var(--theme-color-brand-emphasis);
}

.site-header__nav-list a[aria-current="page"] {
  color: var(--theme-color-text-heading);
  border-bottom-color: var(--theme-color-brand-primary);
}

@media (max-width: 64rem) {
  .site-header__nav {
    justify-self: start;
  }

  .site-header__nav-list {
    justify-content: flex-start;
  }
}