/**
 * Dr. Anil Kumar's Eye Hospital - Footer Component Styles
 * =======================================================
 * Deep navy background (#072E48), 4-column layout, responsive stacking.
 */

.site-footer {
  background-color: var(--color-navy-900);
  color: #FFFFFF;
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (max-width: 767px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6) var(--space-4);
  }
  .footer-brand {
    grid-column: span 2;
  }
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .footer-top {
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: var(--space-8);
  }
}

/* Brand Column */
.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  margin: 0;
}

.footer-brand-subtitle {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-green-accent-light);
  margin-top: 2px;
  margin-bottom: var(--space-3);
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  max-width: 280px;
  margin: 0;
}

/* Navigation Columns */
.footer-nav-col {
  display: flex;
  flex-direction: column;
}

.footer-col-title {
  color: #FFFFFF;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-3);
  text-transform: capitalize;
}

.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.footer-nav-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  padding: 2px 0;
  line-height: 1.4;
}

.footer-nav-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* Footer Bottom Bar */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.65);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-legal-link {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  padding: 2px 0;
}

.footer-legal-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-copyright {
  font-style: normal;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-xs);
  margin: 0;
}