.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-danube-navy);
  border-bottom: 1px solid var(--color-olive-smoke);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
  padding-block: var(--space-3);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-warm-parchment);
  flex-shrink: 0;
}

.site-header__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}

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

.site-header__brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-warm-parchment);
}

.site-header__brand-subtitle {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-paprika-copper);
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-olive-smoke);
  border-radius: var(--radius-small);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.site-header__toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-warm-parchment);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] {
  border-color: var(--color-paprika-copper);
  background-color: rgba(200, 90, 58, 0.1);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 1;
  min-width: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-list li {
  margin: 0;
  padding: 0;
}

.site-header__nav-list a {
  display: inline-block;
  padding: var(--space-2) 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-warm-parchment);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.site-header__nav-list a:hover {
  color: var(--color-paprika-copper);
}

.site-header__nav-list a[aria-current="page"] {
  color: var(--color-paprika-copper);
}

.site-header__cta {
  flex-shrink: 0;
}

.site-header__marquee {
  overflow: hidden;
  background-color: var(--color-wine-plum);
  border-top: 1px solid var(--color-olive-smoke);
  padding-block: var(--space-2);
  white-space: nowrap;
}

.site-header__marquee-track {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  animation: site-header-marquee 30s linear infinite;
  will-change: transform;
}

.site-header__marquee-track span {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-warm-parchment);
}

.site-header__marquee:hover .site-header__marquee-track {
  animation-play-state: paused;
}

@keyframes site-header-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 63.9375rem) {
  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--color-danube-navy);
    border-bottom: 1px solid var(--color-olive-smoke);
    padding: var(--space-4);
    max-height: calc(100vh - 100%);
    overflow-y: auto;
    display: none;
    box-shadow: var(--shadow-deep);
  }

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

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-bottom: var(--space-4);
  }

  .site-header__nav-list li {
    border-bottom: 1px solid var(--color-olive-smoke);
  }

  .site-header__nav-list li:last-child {
    border-bottom: none;
  }

  .site-header__nav-list a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
    border-radius: var(--radius-medium);
    background-color: var(--color-danube-navy);
    border: 1px solid var(--color-olive-smoke);
    margin-bottom: var(--space-2);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
  }

  .site-header__nav-list a:hover {
    background-color: var(--color-wine-plum);
    border-color: var(--color-paprika-copper);
    color: var(--color-warm-parchment);
  }

  .site-header__cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 47.9375rem) {


  .site-header__logo {
    width: 32px;
    height: 32px;
  }

  .site-header__inner {
    min-height: 56px;
    padding-block: var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__marquee-track {
    animation: none;
  }
}