.site-footer { margin-top: 3rem; border-top: 1px solid var(--birmobo-border); background: #080b12; }
.footer-grid { display: grid; gap: 2rem; padding-block: 3rem; }
.footer-grid h2 { margin-top: 0; font-size: 1rem; }
.footer-grid p, .footer-links a, .social-links a { color: var(--birmobo-muted); }
.footer-brand { color: var(--birmobo-up); font-size: 1.5rem; font-weight: 800; }
.footer-links { align-items: flex-start; flex-direction: column; gap: .45rem; list-style: none; }
.social-links { display: flex; flex-wrap: wrap; gap: .7rem; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1rem; border-top: 1px solid var(--birmobo-border); color: var(--birmobo-muted); font-size: .82rem; }
.footer-bottom p { margin: 0; }
.back-to-top { padding: .35rem .6rem; border: 1px solid var(--birmobo-border); border-radius: .55rem; background: transparent; }