.site-header {
  position: relative;
  z-index: 1000;
  width: 100%;
  background-color: var(--surface-elevated);
  border-bottom: 1px solid var(--color-brushed-steel);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-gutter-mobile);
  min-height: 80px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  text-decoration: none;
  color: var(--color-dark-walnut);
  flex-shrink: 0;
}

.site-header__logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-header__brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-h4-size);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-dark-walnut);
  white-space: nowrap;
}

.site-header__brand-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-caption-size);
  letter-spacing: var(--text-caption-letter-spacing);
  text-transform: uppercase;
  color: var(--color-bondi-blue);
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-brushed-steel);
  border-radius: var(--radius-4);
  background-color: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  position: absolute;
  left: 50%;
  width: 20px;
  height: 2px;
  background-color: var(--color-dark-walnut);
  transform: translateX(-50%);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle-icon {
  top: 50%;
  transform: translate(-50%, -50%);
}

.site-header__toggle-icon::before {
  content: "";
  top: -6px;
}

.site-header__toggle-icon::after {
  content: "";
  top: 6px;
}

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

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-bondi-blue);
  outline-offset: 2px;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-24);
  flex-shrink: 1;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-item {
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: inline-block;
  padding: var(--space-8) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-small-size);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark-walnut);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.site-header__nav-link:hover {
  color: var(--color-flame-orange);
}

.site-header__nav-link[aria-current="page"] {
  color: var(--color-bondi-blue);
  border-bottom: 2px solid var(--color-flame-orange);
}

.site-header__cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-4);
  flex-shrink: 0;
}

.site-header__cta {
  white-space: nowrap;
}

.site-header__statement {
  font-family: var(--font-body);
  font-size: var(--text-caption-size);
  letter-spacing: var(--text-caption-letter-spacing);
  text-transform: uppercase;
  color: var(--color-flame-orange);
  white-space: nowrap;
  margin: 0;
}

@media (max-width: 1023px) {
  .site-header__inner {
    flex-wrap: wrap;
    min-height: auto;
    padding-block: var(--space-12);
  }

  .site-header__toggle {
    display: block;
  }

  .site-header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-16);
    background-color: var(--surface-elevated);
    border-bottom: 1px solid var(--color-brushed-steel);
    box-shadow: var(--shadow-drawer);
    padding: var(--space-24);
    max-height: calc(100vh - 100%);
    overflow-y: auto;
    z-index: 1001;
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-8);
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-12) var(--space-8);
    font-size: var(--text-body-size);
  }

  .site-header__cta-wrap {
    align-items: stretch;
    gap: var(--space-8);
  }

  .site-header__cta {
    width: 100%;
  }

  .site-header__statement {
    text-align: center;
    white-space: normal;
  }
}

@media (max-width: 767px) {
  .site-header__inner {
    gap: var(--space-8);
  }

  .site-header__brand {
    gap: var(--space-8);
  }

  .site-header__logo {
    width: 34px;
    height: 34px;
  }

  .site-header__brand-name {
    font-size: var(--text-body-size);
  }

  .site-header__brand-subtitle {
    font-size: 0.625rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__toggle-icon,
  .site-header__toggle-icon::before,
  .site-header__toggle-icon::after {
    transition: none;
  }
}