/* ── FOOTER ── */
footer{border-top:1px solid var(--border-subtle);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand{display:flex;flex-direction:column;gap:1rem}
.footer-brand img{height:24px}
.footer-brand p{font-size:.8125rem;color:var(--surface-400);line-height:1.6;max-width:280px}
.footer-col h4{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--surface-400);margin-bottom:1rem}
.footer-col a{display:block;font-size:.8125rem;color:var(--surface-500);padding:.25rem 0;transition:color .2s}
.footer-col a:hover{color:var(--surface-800)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:2rem;border-top:1px solid var(--border-subtle)}
.footer-copy{font-size:.75rem;color:var(--surface-400)}
.footer-social{display:flex;gap:1rem}
.footer-social a{color:var(--surface-400);transition:color .2s}
.footer-social a:hover{color:var(--surface-800)}

@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;gap:1rem;text-align:center}
}