.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgb(var(--color-border-rgb) / 90%);
  background: rgb(var(--color-surface-rgb) / 92%);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-primary-dark);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.logo__mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.logo__image {
  width: 4rem;
  height: 4.75rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.site-nav { margin-left: auto; }
.site-nav__list { display: flex; align-items: center; gap: clamp(0.75rem, 1.5vw, 1.5rem); list-style: none; }
.site-nav__link { font-size: 0.9375rem; font-weight: 500; transition: color var(--transition); }
.site-nav__link:hover,
.site-nav__link[aria-current="page"] { color: var(--color-primary-dark); text-decoration: underline; text-decoration-color: var(--color-primary); text-underline-offset: 0.35em; }
.site-header__actions { display: flex; align-items: center; gap: var(--space-2); }
.site-header__phone { color: var(--color-primary-dark); font-size: 0.9375rem; font-weight: 600; white-space: nowrap; }
.site-nav__details { display: none; }

.menu-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-primary-dark);
}

.menu-toggle__icon {
  position: relative;
  display: block;
  width: 1.4375rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-dark);
  transition: background-color var(--transition);
}

.menu-toggle__icon::before,
.menu-toggle__icon::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 1.4375rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-dark);
  content: "";
  transition: transform var(--transition);
}

.menu-toggle__icon::before { transform: translateY(-7px); }
.menu-toggle__icon::after { transform: translateY(7px); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before { transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after { transform: rotate(-45deg); }

@media (max-width: 70rem) {
  .site-header__cta { display: none; }
  .site-nav__list { gap: 0.75rem; }
}