/* FOOTER - Frosted Glass Design */
footer {
  max-width: 1240px;
  margin: 40px auto 40px;
  padding: 48px 48px 24px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}
.footer-main {
  margin-bottom: 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}
.footer-social a {
  color: var(--text-3);
  transition: color 0.2s;
}
.footer-social a:hover {
  color: var(--text);
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  color: var(--text);
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-3);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--text);
}
.footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-3);
}
.footer-bottom a {
  color: var(--text-3);
  text-decoration: none;
  margin-left: 24px;
  transition: color 0.2s;
}
.footer-bottom a:hover {
  color: var(--text);
}
.footer-signature {
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
  margin-top: 28px;
  opacity: 0.6;
  letter-spacing: 0.02em;
}

/* RESPONSIVE - Tablet */
@media (max-width: 900px) {
  footer {
    margin: 32px 24px;
    padding: 40px 32px 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* RESPONSIVE - Mobile */
@media (max-width: 600px) {
  footer {
    margin: 24px 16px;
    padding: 32px 24px 24px;
    border-radius: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px 20px;
    margin-bottom: 24px;
  }
  .footer-brand {
    grid-column: 1 / -1;
    margin-bottom: 8px;
  }
  .footer-brand p { font-size: 13px; }
  .footer-col h4 { font-size: 11px; }
  .footer-col a { font-size: 13px; }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    font-size: 12px;
    text-align: center;
  }
  .footer-bottom div {
    display: flex;
    gap: 12px;
  }
  .footer-bottom a { margin-left: 0; }
}