/* Site footer, shared by index, gallery and opportunities */
.site-footer { background: #0b1f26; color: #b9c7cc; font-family: var(--font-default); position: relative; margin-top: 60px; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, #0094Ac, #10E9FF, #0094Ac); }
.site-footer a { color: #b9c7cc; text-decoration: none; transition: color .2s, transform .2s; }
.site-footer a:hover { color: #10E9FF; }
.sf-inner { max-width: 1140px; margin: 0 auto; padding: 56px 20px 28px; display: grid; grid-template-columns: 1.5fr 1fr 1.2fr 1.2fr; gap: 40px; }
.sf-brand img { height: 46px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.sf-brand p { font-size: 15px; line-height: 1.6; max-width: 300px; margin: 0 0 20px; }
.sf-social { display: flex; gap: 10px; }
.sf-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; }
.sf-social a:hover { background: #0094Ac; color: #fff; transform: translateY(-3px); }
.site-footer h4 { color: #fff; font: 700 15px var(--font-primary); letter-spacing: .06em; text-transform: uppercase; margin: 0 0 18px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 10px; font-size: 14px; }
.site-footer li a:hover { padding-left: 4px; }
.sf-stacks ul { columns: 1; }
.sf-contact li { display: flex; gap: 10px; align-items: flex-start; line-height: 1.5; }
.sf-contact i { color: #10E9FF; margin-top: 3px; }
.sf-join { display: inline-block; margin-top: 8px; background: #0094Ac; color: #fff !important; padding: 9px 18px; border-radius: 999px; font: 600 14px var(--font-primary); }
.sf-join:hover { background: #00a9c4; transform: translateY(-2px); }
.sf-bottom { border-top: 1px solid rgba(255,255,255,.1); }
.sf-bottom-inner { max-width: 1140px; margin: 0 auto; padding: 18px 20px; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; font-size: 13px; }
.sf-credit { font-size: 11px; opacity: .45; }
.sf-credit a { text-decoration: underline; }

@media (max-width: 900px) { .sf-inner { grid-template-columns: 1fr 1fr; } .sf-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .sf-inner { grid-template-columns: 1fr; padding-top: 44px; gap: 30px; } .sf-bottom-inner { flex-direction: column; text-align: center; align-items: center; } }