.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary-hover);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100% - 2rem, 1200px);
  margin: 0 auto;
  padding: 1rem 0;
}

.site-header__branding {
  color: var(--color-surface);
  font-size: var(--font-size-md);
  font-weight: 600;
  line-height: var(--line-height-tight);
  text-decoration: none;
}

.site-header__logo img {
  max-height: 64px;
  width: auto;
  display: block;
}

.site-header__logo--text a,
.site-header__logo--text a:visited {
  color: inherit;
  text-decoration: none;
}

.site-header__logo-image {
  display: block;
  max-height: 4rem;
  width: auto;
}

.site-header__menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.site-header__menu a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-surface);
  line-height: var(--line-height-base);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-header__menu a.active,
.site-header__menu a[aria-current="page"] {
  color: var(--color-secondary);
}

/* Kotwice (#) obsługuje JS – reset aria-current żeby nie podświetlały wszystkich naraz */
.site-header__menu a[href*="#"][aria-current="page"]:not(.active) {
  color: var(--color-surface);
}

.site-header__hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-surface);
  cursor: pointer;
}

.site-header__hamburger-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.site-header__hamburger-line {
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header__hamburger.is-open .site-header__hamburger-line--top {
  transform: translateY(5px) rotate(45deg);
}

.site-header__hamburger.is-open .site-header__hamburger-line--middle {
  opacity: 0;
}

.site-header__hamburger.is-open .site-header__hamburger-line--bottom {
  transform: translateY(-5px) rotate(-45deg);
}

@media (max-width: 767px) {
  .site-header__logo img {
    max-height: 36px;
  }

  .site-header__inner {
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    padding: 0.75rem 0;
  }

  .site-header__branding {
    flex: 1 1 auto;
    font-size: var(--font-size-sm);
  }

  .site-header__logo-image {
    max-height: 2.5rem;
  }

  .site-header__hamburger {
    display: inline-flex;
    flex: 0 0 auto;
  }

  .site-header__nav {
    display: none;
    order: 3;
    width: 100%;
    background-color: var(--color-primary);
    border-top: 1px solid var(--color-primary-hover);
  }

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

  .site-header__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0.5rem 0;
  }

  .site-header__menu a {
    min-height: 2.75rem;
    padding: 0.75rem 0;
    font-size: var(--font-size-xs);
    justify-content: flex-start;
    width: 100%;
  }

  .site-header__menu li {
    width: 100%;
  }
}

@media (min-width: 768px) {
  .site-header__nav {
    display: block;
  }
}