/* Components — Header, Navigation, Footer */

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  transition: box-shadow var(--transition-normal);
}

.site-header--scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-header__logo {
  height: 60px;
  width: auto;
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.site-nav__link {
  font-family: var(--font-nav);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  padding: var(--spacing-xs) 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-normal), color var(--transition-normal);
}

.site-nav__link:hover,
.site-nav__link--active {
  border-bottom-color: var(--color-secondary);
  color: var(--color-secondary-text);
}

.site-nav__link:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 4px;
}

/* Hamburger Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 110;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Footer */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-text-inverse);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.site-footer a {
  color: var(--color-text-inverse);
  transition: opacity var(--transition-normal);
}

.site-footer a:hover {
  opacity: 0.8;
}

.site-footer a:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

.site-footer__social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.site-footer__social img {
  filter: invert(1);
}

.site-footer__map {
  text-align: center;
}

.site-footer__map iframe {
  border-radius: 4px;
  opacity: 0.9;
  transition: opacity var(--transition-normal);
}

.site-footer__map iframe:hover {
  opacity: 1;
}

.site-footer__content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
}

.site-footer__content p {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.site-footer__content strong {
  color: var(--color-secondary);
  font-family: var(--font-heading);
}

.site-footer__copyright {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  opacity: 0.75;
  font-family: var(--font-heading);
}

/* Mobile Navigation */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }

  .site-nav--open {
    display: flex;
  }

  .site-nav__link {
    padding: var(--spacing-sm) var(--spacing-md);
    width: 100%;
    text-align: center;
    border-bottom: none;
  }

  .site-footer__content {
    grid-template-columns: 1fr;
  }

  .site-footer__map iframe {
    width: 100%;
  }
}