/* Header-specific styles for MUJA LTD */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-xs);
}

.site-header__inner {
  height: 72px;
}

.site-header__branding {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.site-header__brand-link {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.site-logo {
  font-family: "DM Serif Display", var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.site-tagline {
  font-family: "Inter", var(--font-sans);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */

.site-header__nav {
  display: flex;
  align-items: center;
}

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

.site-header__nav-link {
  font-family: "Inter", var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 0.25rem 0;
}

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

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

.site-header__nav-item--cta {
  margin-left: var(--space-16);
}

.site-header__nav-cta {
  font-size: var(--font-size-sm);
}

/* Mobile menu toggle */

.site-header__menu-toggle {
  display: none;
  align-items: center;
  gap: var(--space-8);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-gray-300);
  background-color: #ffffff;
  cursor: pointer;
}

.site-header__menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.site-header__menu-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.site-header__menu-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__menu-toggle-text {
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Open state */

.site-header--menu-open .site-header__menu-toggle-bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.site-header--menu-open .site-header__menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header--menu-open .site-header__menu-toggle-bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Responsive behaviour */

@media (max-width: 768px) {
  .site-header__inner {
    height: auto;
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
    flex-wrap: wrap;
    align-items: center;
  }

  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    width: 100%;
    margin-top: var(--space-12);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-12);
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
    border-top: 1px solid var(--color-gray-200);
  }

  .site-header__nav {
    display: none;
  }

  .site-header--menu-open .site-header__nav {
    display: block;
  }

  .site-header__nav-item--cta {
    margin-left: 0;
    width: 100%;
  }

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

@media (prefers-reduced-motion: reduce) {
  .site-header__menu-toggle-bar {
    transition: none;
  }

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