*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#05050f;--surface:#0d0d1f;--border:#6366f12e;--accent:#6366f1;--accent2:#a78bfa;--text:#e8e8f0;--muted:#7070a0}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}.nav{z-index:100;-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);background:#05050f99;justify-content:space-between;align-items:center;gap:24px;padding:20px 48px;display:flex;position:fixed;top:0;left:0;right:0}.nav-logo{letter-spacing:4px;background:linear-gradient(135deg,#6366f1,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;flex-shrink:0;font-size:20px;font-weight:800;text-decoration:none}.nav-links{flex:1;align-items:center;gap:32px;display:flex}.nav-links a{color:var(--muted);font-size:14px;text-decoration:none;transition:color .2s}.nav-links a:hover,.nav-links a.active{color:var(--text)}.btn-nav{border:1px solid var(--border);background:#6366f11a;border-radius:8px;padding:8px 20px;color:var(--text)!important;transition:all .2s!important}.btn-nav:hover{border-color:var(--accent)!important;background:#6366f140!important}.lang-switcher{flex-shrink:0;position:relative}.lang-current{border:1px solid var(--border);color:var(--text);cursor:pointer;background:#6366f114;border-radius:8px;align-items:center;gap:6px;padding:7px 14px;font-size:13px;transition:all .2s;display:flex}.lang-current:hover{border-color:var(--accent);background:#6366f12e}.lang-arrow{opacity:.7;font-size:10px}.lang-dropdown{border:1px solid var(--border);z-index:200;background:#0f0f25;border-radius:10px;flex-direction:column;gap:2px;min-width:160px;padding:6px;display:flex;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 16px 48px #00000080}.lang-option{color:var(--muted);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:6px;align-items:center;gap:8px;padding:8px 12px;font-size:13px;transition:all .15s;display:flex}.lang-option:hover{color:var(--text);background:#6366f126}.lang-option.active{color:var(--accent2);background:#6366f11a}@media (width<=768px){.nav{padding:16px 20px}.nav-links a:not(.btn-nav){display:none}}