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var(--color-rule);background:var(--color-paper-raised)}.mobile-nav.open{display:flex}.mobile-nav a{padding:.85rem 1.5rem;font-family:var(--font-mono);font-size:.9rem;text-decoration:none;color:var(--color-ink-soft);border-bottom:1px solid var(--color-rule)}.mobile-nav a:hover{color:var(--color-ink);background:var(--color-paper)}@media (max-width: 640px){.nav-toggle{display:block}.site-nav{display:none}}.footer-inner{display:grid;grid-template-columns:2fr 1fr 2fr 1fr;gap:3rem;align-items:start}.footer-brand p{font-size:.85rem;margin-top:.75rem}.footer-links{display:flex;flex-direction:column;gap:.5rem}.footer-links h4,.footer-social h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 .5rem;color:var(--color-navy)}.footer-links a{font-size:.85rem;text-decoration:none;color:var(--color-ink-soft)}.footer-links a:hover{color:var(--color-ink)}.footer-legal{font-size:.8rem;color:var(--color-ink-soft)}.footer-legal p{margin-bottom:.5rem}.social-links{display:flex;gap:.75rem}.social-links a{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;color:var(--color-ink-soft);background:var(--color-surface, rgba(0,0,0,.04));transition:color .15s ease,background .15s ease}.social-links a:hover{color:var(--color-navy);background:#00000014}@media (max-width: 768px){.footer-inner{grid-template-columns:1fr;gap:2rem}.card-grid{grid-template-columns:1fr!important}}