/* ============================================================
   ROSE TECH ACADEMY — Footer
   Slate Gray background, teal and gold accents
   ============================================================ */

.site-footer {
  background: #3A4447;
  color: rgba(255,255,255,0.72);
  padding-top: clamp(var(--space-12), 8vw, var(--space-20));
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-logo-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.footer-logo-tagline {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #4FA3C5;
  margin-top: 2px;
  display: block;
}

.footer-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.52);
  line-height: 1.7;
  max-width: 30ch;
  margin-bottom: var(--space-5);
}

.footer-social { display: flex; gap: var(--space-2); }

.footer-social-link {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.52);
  text-decoration: none;
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive);
}
.footer-social-link:hover {
  background: rgba(79,163,197,0.22);
  border-color: rgba(79,163,197,0.50);
  color: #4FA3C5;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-4);
}

.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }

.footer-links li a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.52);
  text-decoration: none;
  transition: color var(--transition-interactive);
  line-height: 1.5;
}
.footer-links li a:hover { color: #4FA3C5; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright { font-size: var(--text-xs); color: rgba(255,255,255,0.32); }

.footer-microsoft-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.32);
  margin-top: var(--space-1);
}

.footer-bottom-links { display: flex; gap: var(--space-4); flex-wrap: wrap; }

.footer-bottom-links a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.38);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-bottom-links a:hover { color: #4FA3C5; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-desc { max-width: 100%; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* Image logo in footer */
.footer-logo-img {
  height: 48px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  object-fit: contain;
}