/* ===========================================================
   Footer
   (Grid layout, brand, columns, bottom bar)
   =========================================================== */

.site-footer {
  background: #fff;
  border-top: 1px solid #e5e7eb;
  margin-top: auto;
  font-family: Arial, sans-serif;
  color: #444;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer-brand .brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.footer-brand .brand-icon {
  background: var(--primary);
  padding: 8px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-brand .brand-icon svg { color: #fff; }

.brand-name {
  font-size: 1.2rem;
  font-weight: bold;
  background: linear-gradient(to right, #2b63d9, #9333ea);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-tagline { font-size: 0.75rem; color: #666; }

.footer-description {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #555;
}

.social-links {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
}
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f5f5f5;
  color: #333;
  transition: background 0.3s, color 0.3s;
}
.social-links a:hover { background: #2b63d9; color: #fff; }

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: bold;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a {
  font-size: 0.9rem;
  color: #666;
  text-decoration: none;
  transition: color 0.3s;
}
.footer-col ul li a:hover { color: #000; }

.footer-bottom {
  border-top: 1px solid #e5e7eb;
  margin-top: 2rem;
  padding-top: 1.5rem;
  display: flex;
  flex-direction: row;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #666;
}
.footer-bottom .footer-links { display: flex; gap: 1.5rem; }
.footer-bottom .footer-links a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s;
}
.footer-bottom .footer-links a:hover { color: #000; }

/* Responsive */
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-bottom { flex-direction: row; }
}