.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-ink);
  border-bottom: 1px solid rgba(59, 42, 32, 0.4);
  width: 100%;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-16) var(--container-padding-mobile);
  min-height: 72px;
}

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

.site-header__logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: var(--tracking-overline);
  text-transform: uppercase;
  color: var(--color-bone);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-default);
  transition: background-color var(--transition-base);
}

.site-header__toggle:hover {
  background-color: rgba(198, 161, 91, 0.1);
}

.site-header__toggle:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.site-header__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-bone);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.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;
  flex-shrink: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-24);
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-header__nav-link {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bone);
  text-decoration: none;
  padding: var(--space-8) 0;
  position: relative;
  transition: color var(--transition-base);
  white-space: nowrap;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-brass);
  transition: width var(--transition-base);
}

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

.site-header__nav-link:hover::after {
  width: 100%;
}

.site-header__nav-link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

@media (max-width: 1023px) {
  .site-header__inner {
    padding: var(--space-12) var(--container-padding-mobile);
    min-height: 64px;
  }

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

  .site-header__brand-text {
    font-size: var(--text-overline);
    max-width: 160px;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    max-width: 100%;
    background-color: var(--color-charcoal);
    border-left: 1px solid rgba(59, 42, 32, 0.4);
    box-shadow: var(--shadow-elevated);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    padding: var(--space-24);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .site-header__nav.is-open {
    transform: translateX(0);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-8);
    width: 100%;
  }

  .site-header__nav-item {
    width: 100%;
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-16) var(--space-12);
    font-size: var(--text-body);
    letter-spacing: 0.08em;
    border-bottom: 1px solid rgba(59, 42, 32, 0.4);
  }

  .site-header__nav-link::after {
    display: none;
  }

  .site-header__nav-link:hover {
    background-color: rgba(198, 161, 91, 0.1);
    color: var(--color-brass);
  }
}

@media (min-width: 1024px) {
  .site-header__inner {
    padding: var(--space-16) var(--container-padding-desktop);
    min-height: 80px;
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
  }

  .site-header__brand-text {
    font-size: var(--text-caption);
    max-width: 240px;
  }
}