.sf-footer {
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.05) 100%);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 60px 48px;
  margin-top: 80px;
  font-size: 14px;
  --footer-accent: #B79BE3;
  --footer-accent-dark: rgba(98,61,145,0.3);
  --footer-accent-light: rgba(98,61,145,0.15);
}

.sf-footer.sf-footer-mint {
  --footer-accent: #7EE7C7;
  --footer-accent-dark: rgba(126,231,199,0.3);
  --footer-accent-light: rgba(126,231,199,0.15);
}

.sf-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.sf-footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.sf-footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sf-footer-logo {
  width: 120px;
  margin-bottom: 20px;
}

.sf-footer-col h3 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(243,240,248,0.5);
  margin: 0 0 8px 0;
}

.sf-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sf-footer-col ul li a,
.sf-footer-info a {
  color: rgba(243,240,248,0.72);
  text-decoration: none;
  transition: color 0.2s;
  font-size: 14px;
}

.sf-footer-col ul li a:hover,
.sf-footer-info a:hover {
  color: var(--footer-accent);
}

.sf-footer-copyright {
  font-size: 12px;
  color: rgba(243,240,248,0.5);
  margin: 0 0 8px 0;
  line-height: 1.4;
}

.sf-footer-iso {
  font-size: 11px;
  color: rgba(243,240,248,0.5);
  margin: 0;
  line-height: 1.4;
}

.sf-footer-info {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(243,240,248,0.72);
}

.sf-footer-info p {
  margin: 0 0 6px 0;
}

.sf-footer-social {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.sf-footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--footer-accent-light);
  color: var(--footer-accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: all 0.2s;
}

.sf-footer-social a:hover {
  background: var(--footer-accent-dark);
}

.sf-footer-divider {
  height: 1px;
  background: rgba(255,255,255,0.07);
  margin: 24px 0;
}

.sf-footer-bottom {
  font-size: 12px;
  color: rgba(243,240,248,0.5);
  text-align: center;
  line-height: 1.4;
}

.sf-footer-bottom p {
  margin: 0;
}

@media (max-width: 1024px) {
  .sf-footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .sf-footer {
    padding: 40px 24px;
    margin-top: 60px;
  }

  .sf-footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}