/**
 * Header / topbar / logo / CTA — professional two-tier shell
 */

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 1000;
  padding: 0.5rem 0.75rem;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
}

.skip-link:focus {
  top: 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

/* ---- Top bar (desktop) ---- */
.site-topbar {
  display: none;
  height: 2.125rem; /* 34px */
  background: var(--color-primary);
  color: #e2e8f0;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
}

.site-topbar__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-topbar__left,
.site-topbar__right {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.site-topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.site-topbar__icon {
  display: inline-flex;
  color: #cbd5e1;
}

.site-topbar__link:hover,
.site-topbar__link:focus-visible {
  color: #fff;
}

.site-topbar__cta {
  color: #fff;
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
}

.site-topbar__cta:hover,
.site-topbar__cta:focus-visible {
  border-bottom-color: var(--color-secondary);
}

/* ---- Main navbar ---- */
.site-header__bar {
  background: var(--color-surface);
}

.site-header__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  min-height: 4.25rem; /* ~68px mobile */
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
}

.site-header__brand {
  min-width: 0;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  max-width: 9.5rem; /* ~152px mobile */
  text-decoration: none;
  color: var(--color-primary);
}

.site-logo img {
  width: 100%;
  height: auto;
  max-height: 2.85rem;
  object-fit: contain;
}

.site-logo__text {
  font-weight: var(--font-weight-bold);
  font-size: 0.95rem;
  line-height: 1.2;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  justify-self: end;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  background: var(--color-surface);
}

/* Mobile phone icon CTA */
.site-header__phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-primary);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition:
    border-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard);
}

.site-header__phone-icon {
  display: inline-flex;
}

.site-header__phone-text {
  display: none;
}

.site-header__phone:hover,
.site-header__phone:focus-visible {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: #f1f5f9;
}

.site-header__cta {
  display: none;
  align-items: center;
  justify-content: center;
  height: 2.75rem; /* 44px */
  padding: 0 1.1rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  border-radius: 0.5rem; /* 8px */
  white-space: nowrap;
  transition:
    background-color var(--duration-fast) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}

.site-header__cta:hover,
.site-header__cta:focus-visible {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.site-header__menu-btn {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.site-header__menu-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.site-header__menu-icon,
.site-header__menu-icon::before,
.site-header__menu-icon::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--duration-normal) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard);
}

.site-header__menu-icon {
  position: relative;
}

.site-header__menu-icon::before,
.site-header__menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-header__menu-icon::before {
  top: -6px;
}

.site-header__menu-icon::after {
  top: 6px;
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-icon {
  background: transparent;
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

@media (min-width: 768px) {
  .site-logo {
    max-width: 10.5rem;
  }

  .site-logo img {
    max-height: 3.1rem;
  }
}

@media (min-width: 1024px) {
  .site-topbar {
    display: block;
  }

  .site-header__inner {
    min-height: 4.5rem;
    gap: 0.75rem;
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .site-header__menu-btn {
    display: none;
  }

  .site-header__cta {
    display: inline-flex;
    height: 2.75rem;
    padding: 0 0.95rem;
    font-size: 0.8125rem;
  }

  /* Topbar already shows number — keep icon-only to avoid nav collision */
  .site-header__phone {
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    gap: 0;
  }

  .site-header__phone-text {
    display: none;
  }

  .site-logo {
    max-width: 10.25rem;
  }

  .site-logo img {
    max-height: 3rem;
  }
}

@media (min-width: 1280px) {
  .site-logo {
    max-width: 11.5rem;
  }

  .site-logo img {
    max-height: 3.25rem;
  }

  .site-header__cta {
    height: 2.875rem;
    padding: 0 1.1rem;
    font-size: 0.875rem;
  }

  .site-header__phone {
    height: 2.875rem;
    width: 2.875rem;
  }
}

@media (min-width: 1536px) {
  .site-header__phone {
    width: auto;
    padding: 0 0.9rem;
    gap: 0.4rem;
  }

  .site-header__phone-text {
    display: inline;
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
  }
}

@media (min-width: 1400px) {
  .site-logo {
    max-width: 12rem;
  }
}