.footer {
  background-color: var(--neutral-dark);
  color: #ffffff;
  padding: 4rem 2rem 2rem;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary),
    var(--accent),
    var(--support)
  );
}

.footer-container {
  max-width: 75rem;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.footer-column {
  flex: 1;
  min-width: 15.625rem;
}

.footer-column h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-h5);
  font-weight: var(--fw-semibold);
  color: var(--accent);
  margin-bottom: 1.5rem;
  line-height: var(--lh-h5);
  letter-spacing: var(--ls-h5);
  position: relative;
}

.footer-column h3::after {
  content: "";
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 2rem;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link {
  margin-bottom: 0.75rem;
}

.footer-link a {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  position: relative;
}

.footer-link a:hover {
  color: var(--accent);
  transform: translateX(5px);
}

.footer-link a::before {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.footer-link a:hover::before {
  width: 100%;
}

.footer-column .contact-info {
  margin-bottom: 1rem;
}

.footer-column .contact-info strong {
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  color: var(--support);
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.95rem;
}

.footer-column p {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  margin: 0;
  line-height: var(--lh-base);
  color: rgba(255, 255, 255, 0.85);
}

.footer-column .social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-column .social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(69, 123, 157, 0.2);
  border: 1px solid rgba(168, 218, 220, 0.3);
  border-radius: 0.5rem;
  color: #ffffff;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.1rem;
}

.footer-column .social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(69, 123, 157, 0.3);
}

.footer-bottom {
  border-top: 1px solid rgba(168, 218, 220, 0.2);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  font-family: var(--font-body);
  margin: 0.375rem 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: var(--lh-base);
}

.footer-bottom .copyright {
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.9);
}

.footer-bottom .links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1rem;
}

.footer-bottom .links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-bottom .links a:hover {
  color: var(--support);
}

@media (max-width: 1024px) {
  .footer-container {
    gap: 2.5rem;
  }

  .footer-column {
    min-width: 13.75rem;
  }

  .footer {
    padding: 3rem 1.5rem 1.5rem;
  }
}

@media (max-width: 820rem) {
  .footer-container {
    flex-direction: column;
    gap: 2.5rem;
  }

  .footer-column {
    min-width: auto;
    text-align: center;
  }

  .footer {
    padding: 2.5rem 1rem 1rem;
    margin-top: 3rem;
  }

  .footer-column h3::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-column .social-links {
    justify-content: center;
  }

  .footer-bottom .links {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 600rem) {
  .footer {
    padding: 2rem 0.75rem 0.75rem;
    margin-top: 2rem;
  }

  .footer-container {
    gap: 2rem;
  }

  .footer-column h3 {
    font-size: var(--fs-h6);
  }

  .footer-column p,
  .footer-link a {
    font-size: 0.95rem;
  }

  .footer-bottom p {
    font-size: 0.85rem;
  }

  .footer-column .social-links {
    gap: 0.75rem;
  }

  .footer-column .social-link {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 1rem;
  }
}