/**
 * Site Footer
 * Dark green, three-column layout (nav / logo / nav) collapsing to a
 * stacked layout on mobile, matching the provided footer mockup:
 * social icons row → contact-info row → legal links → copyright →
 * decorative biohazard pattern strip.
 */

.site-footer {
  background-color: #01190b;
  color: var(--color-text-on-dark-muted);
  padding-block-start: clamp(var(--space-12), 6vw, var(--space-20));
  overflow: hidden;
}

.footer-columns {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  text-align: center;
  padding-bottom: var(--space-12);
}

@media (min-width: 922px) {
  .footer-columns {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-nav-col {
  flex: 0 1 auto;
}

.footer-nav-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-nav-col a {
  color: var(--color-text-on-dark);
  text-decoration: none;
  font-weight: var(--fw-semibold);
  font-size: var(--text-xs);
}

.footer-nav-col a:hover,
.footer-nav-col a:focus-visible {
  color: var(--color-brand-gold-500);
}

.footer-branding {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
}

.footer-branding img {
  width: clamp(128px, 14vw, 168px);
  height: auto;
}

/* ===== Social icons ===== */
.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  padding-bottom: var(--space-8);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-text-on-dark);
  color: var(--color-text-on-dark);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.footer-social a:hover,
.footer-social a:focus-visible {
  background-color: var(--color-brand-gold-500);
  border-color: var(--color-brand-gold-500);
  color: var(--color-brand-green-900);
}

.footer-social svg {
  width: 1.1rem;
  height: 1.1rem;
}

/* ===== Contact info row ===== */
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
  padding-bottom: var(--space-6);
  border-top: 1px solid var(--color-brand-green-700);
  padding-top: var(--space-8);
}

.footer-contact-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-on-dark);
  text-decoration: none;
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  text-align: left;
}

.footer-contact-item:hover,
.footer-contact-item:focus-visible {
  color: var(--color-brand-gold-500);
}

.footer-contact-item .footer-contact-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-brand-gold-500);
}

/* ===== Legal links ===== */
.footer-legal-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
}

.footer-legal-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-legal-nav a {
  color: var(--color-text-on-dark);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  text-decoration: none;
}

.footer-legal-nav a:hover,
.footer-legal-nav a:focus-visible {
  color: var(--color-brand-gold-500);
}

/* ===== Copyright ===== */
.footer-copyright {
  text-align: center;
  font-size: var(--text-xs);
  padding-bottom: var(--space-8);
  border-top: 1px solid var(--color-brand-green-700);
  padding-top: var(--space-6);
  margin-inline: var(--container-padding-inline);
}

/* ===== Decorative pattern strip ===== */
.footer-pattern {
  height: 72px;
  background-image: var(--footer-pattern-image, none);
  background-repeat: repeat-x;
  background-position: center;
  background-size: auto 100%;
  opacity: 0.5;
}

@media (max-width: 921px) {
  .site-footer {
    padding-block-start: var(--space-12);
  }

  .footer-columns {
    gap: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .footer-nav-col ul {
    gap: var(--space-3);
  }

  .footer-contact {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-4);
  }

  .footer-contact-item {
    width: 100%;
    justify-content: center;
  }
}