.theme-toggle{background:var(--chip-bg);border:1px solid var(--chip-border);width:36px;height:36px;color:var(--text-muted);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;transition:color .15s,border-color .15s;display:flex}.theme-toggle:hover{color:var(--green);border-color:var(--card-border-hover)}.site-header{z-index:100;background:var(--nav-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:16px;height:92px;display:flex}.header-brand{align-items:center;display:flex}.header-nav{align-items:center;gap:2px;display:flex}.nav-link{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:9px;padding:8px 12px;font-size:14px;font-weight:600;transition:color .15s,background .15s}.nav-link:hover{color:var(--text);background:var(--chip-bg)}.header-actions{align-items:center;gap:10px;display:flex}.header-nav-mobile-actions{display:none}.header-burger{color:var(--text);cursor:pointer;background:0 0;border:none;padding:6px;display:none}@media (width<=920px){.header-signin,.header-cta,.header-burger{display:none}.header-nav{background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:4px;padding:16px 20px 24px;transition:transform .25s;position:fixed;inset:68px 0 auto;transform:translateY(-120%)}.header-nav.open{transform:translateY(0)}.nav-link{text-align:left;padding:12px;font-size:16px}.header-nav-mobile-actions{flex-direction:column;gap:10px;margin-top:12px;display:flex}.header-nav-mobile-actions .btn{justify-content:center}}.site-footer{border-top:1px solid var(--line);margin-top:30px;padding:56px 0 28px}.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;display:grid}.footer-about p{color:var(--text-muted);max-width:300px;margin:14px 0 18px;font-size:13.5px;line-height:1.7}.footer-socials{gap:10px;display:flex}.footer-socials a{border:1px solid var(--chip-border);background:var(--chip-bg);width:34px;height:34px;color:var(--text-muted);border-radius:9px;justify-content:center;align-items:center;transition:color .15s,border-color .15s,transform .15s;display:flex}.footer-socials a:hover{color:var(--green);border-color:var(--card-border-hover);transform:translateY(-2px)}.footer-col{flex-direction:column;gap:10px;display:flex}.footer-col-title{letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:4px;font-size:11px;font-weight:700}.footer-col a,.footer-col button{color:var(--text-muted);text-align:left;cursor:pointer;background:0 0;border:none;padding:0;font-size:13.5px;transition:color .15s}.footer-col a:hover,.footer-col button:hover{color:var(--green)}.footer-bottom{border-top:1px solid var(--line);color:var(--text-dim);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding-top:22px;font-size:12.5px;display:flex}.footer-credit{color:var(--text-dim)}@media (width<=768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-about{grid-column:1/-1}}