/* =====================================================
   FOOTER - FLEXBOX LAYOUT RESPONSIVO
   ===================================================== */

.main-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  padding: var(--spacing-xxl) 0;
  margin-top: var(--spacing-xxl);
  /* background: linear-gradient(135deg, #050510, var(--color-surface)); */
  /* border-top: 1px solid var(--color-primary); */
  /* border-radius: var(--spacing-md) var(--spacing-md) 0 0; */
  position: relative;
}

.main-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-secondary),
    var(--color-tertiary)
  );
}

.footer-col {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-col h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary);
  font-size: 1.1rem;
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--color-secondary),
    var(--color-primary)
  );
  border-radius: 1px;
}

.footer-col a {
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) 0;
  transition: all var(--transition-normal);
  position: relative;
}


.footer-col a:not(.social-links a):hover {
  color: var(--color-primary);
  padding-left: var(--spacing-sm);
}

.footer-col a::before {
  content: "▶";
  position: absolute;
  left: 0;
  opacity: 0;
  transition: opacity var(--transition-normal);
  color: var(--color-secondary);
  font-size: 0.8rem;
}

.footer-col a:not(.social-links a):hover::before {
  opacity: 1;
}

/* Iconos sociales con Flexbox */
.social-links {
  display: flex;
  gap: var(--spacing-md);
  /* margin: var(--spacing-md) 0; */
  flex-wrap: wrap;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--color-surface),
    var(--color-surface-secondary)
  );
  border: 1px solid rgba(0, 255, 194, 0.3);
  border-radius: 50%;
  color: var(--color-primary);
  font-size: 1.5rem;
  /* transition: all var(--transition-normal); */
  position: relative;
  overflow: hidden;
}

.social-links a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  ); */
  opacity: 0;
  border-radius: 50%;
}

.social-links a:hover::before {
  opacity: 1;
}

.social-links a i {
  position: relative;
  z-index: 1;
}

.social-links a:hover i {
  color: white;
}

.social-links a:hover {
  box-shadow: 0 10px 20px rgba(0, 255, 194, 0.3);
}

.footer-col p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: var(--spacing-md);
  text-align: center;
}

footer {
  margin-left: 20px;
}