.site-header {
  position: sticky;
  z-index: 100;
  inset-block-start: 0;
  block-size: var(--header-height);
  border-block-end: 1px solid var(--color-border);
  background: var(--color-obsydian);
}

.site-header__inner {
  display: flex;
  block-size: 100%;
  min-inline-size: 0;
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  min-inline-size: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-kosc-sloniowa);
  text-decoration: none;
}

.site-header__brand:hover,
.site-header__brand:visited {
  color: var(--color-kosc-sloniowa);
}

.site-header__logo {
  inline-size: 2.125rem;
  block-size: 2.125rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.site-header__brand-text {
  overflow: hidden;
  color: var(--color-kosc-sloniowa);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header__toggle {
  display: inline-flex;
  inline-size: 3rem;
  block-size: 3rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.3rem;
  margin-inline-start: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
}

.site-header__toggle-line {
  display: block;
  inline-size: 1.25rem;
  block-size: 2px;
  background: var(--color-kosc-sloniowa);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(0.42rem) 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(-0.42rem) rotate(-45deg);
}

.site-header__nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  display: none;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-5) var(--space-4) var(--space-8);
  border-block-start: 1px solid var(--color-border);
  background: var(--color-lupek);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9);
  z-index: 9999;
}

.site-header__nav.is-open {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.site-header__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-header__nav-link {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(184, 148, 82, 0.15);
  color: var(--color-kosc-sloniowa);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.site-header__nav-link:hover,
.site-header__nav-link:active {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-zloto-jasne);
}

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

.site-header__reservation--mobile {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 0.95rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  margin-top: var(--space-2);
}

.site-header__reservation--desktop {
  display: none;
}

@media (min-width: 72rem) {
  .site-header {
    border-block-end-color: rgba(184, 148, 82, 0.18);
    background: rgba(11, 10, 12, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .site-header__inner {
    gap: var(--space-5);
  }

  .site-header__logo {
    inline-size: 2.4rem;
    block-size: 2.4rem;
  }

  .site-header__brand-text {
    font-size: 1.35rem;
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
    display: block !important;
    width: auto;
    height: auto;
    min-inline-size: 0;
    flex: 1 1 auto;
    overflow: visible;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    z-index: auto;
  }

  .site-header__nav-list {
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    gap: clamp(0.35rem, 1vw, 1rem);
  }

  .site-header__nav-link {
    display: inline-block;
    padding: 0.5rem 0.25rem;
    font-size: 0.75rem;
    background: transparent;
    border: 0;
    white-space: nowrap;
  }

  .site-header__nav-link:hover {
    background: transparent;
    color: var(--color-zloto-jasne);
  }

  .site-header__nav-link--mobile,
  .site-header__reservation--mobile {
    display: none !important;
  }

  .site-header__reservation--desktop {
    display: inline-flex;
    inline-size: auto;
    min-block-size: 2.75rem;
    flex: 0 0 auto;
    padding-inline: 0.875rem;
    font-size: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__toggle-line {
    transition: none;
  }
}