/* Footer general */
footer {
  background-color: #111; /* oscuro, combinando con header */
  color: #eee;
  padding: 40px 20px 20px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 14px;
  border-top: 3px solid #ff4500; /* un toque de color llamativo */
}

/* Contenedor de columnas */
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}

/* Cada columna */
.footer-column {
  flex: 1 1 220px;
  min-width: 220px;
}

/* Títulos */
.footer-column h3 {
  font-size: 18px;
  margin-bottom: 15px;
  color: #ff4500;
  border-bottom: 2px solid #ff4500;
  padding-bottom: 5px;
  font-weight: 700;
}

/* Texto párrafo */
.footer-column p {
  line-height: 1.6;
  color: #ccc;
}

/* Listas de enlaces */
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links li a {
  color: #eee;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links li a:hover {
  color: #ff4500;
  text-decoration: underline;
}

/* Enlaces sociales */
.social-links {
  margin-top: 15px;
}

.social-links a {
  display: inline-block;
  margin-right: 10px;
  transition: transform 0.3s ease;
}

.social-links a:hover {
  transform: scale(1.1);
}

.social-links img {
  width: 28px;
  height: 28px;
  filter: brightness(0) invert(1); /* iconos blancos */
}

/* Footer bottom */
.footer-bottom {
  border-top: 1px solid #333;
  margin-top: 30px;
  padding-top: 15px;
  text-align: center;
  font-size: 13px;
  color: #666;
}

.footer-bottom a {
  color: #ff4500;
  text-decoration: none;
  font-weight: 600;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    gap: 25px;
  }
  
  .footer-column {
    min-width: 100%;
  }
}