:root{--bg: #0a0a0f;--surface: #13131e;--surface2: #1c1c2e;--border: rgba(255, 255, 255, .07);--accent: #63f5bc;--accent2: #a78bfa;--accent3: #f59e63;--accent4: #f563a0;--text: #eeeef5;--muted: #6b6b85}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:DM Sans,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}.bg-grid{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(99,245,188,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(99,245,188,.025) 1px,transparent 1px);background-size:72px 72px}.orb{position:fixed;border-radius:50%;filter:blur(120px);pointer-events:none;z-index:0;animation:orbf 10s ease-in-out infinite}.o1{width:600px;height:600px;background:#63f5bc12;top:-200px;right:-150px}.o2{width:500px;height:500px;background:#a78bfa0d;bottom:-150px;left:-200px;animation-delay:-5s}.o3{width:300px;height:300px;background:#f59f630a;top:50%;left:50%;animation-delay:-2s}@keyframes orbf{0%,to{transform:translate(0) scale(1)}50%{transform:translate(20px,-25px) scale(1.04)}}nav{position:sticky;top:0;z-index:100;height:72px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;background:#0a0a0fd9;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-bottom:1px solid var(--border)}.logo{display:flex;align-items:center;gap:12px;text-decoration:none;cursor:pointer}.logo-mark{width:38px;height:38px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:11px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#000}.logo-text{font-weight:800;font-size:18px;letter-spacing:.08em;color:var(--text)}.nav-right{display:flex;align-items:center;gap:24px}.nav-link{color:var(--muted);font-size:14px;font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover{color:var(--accent)}.nav-cta{padding:10px 22px;background:var(--accent);color:#000;font-weight:700;font-size:13px;border-radius:10px;text-decoration:none;transition:all .2s;letter-spacing:.03em}.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 30px #63f5bc4d}.btn-primary{display:inline-flex;align-items:center;gap:12px;padding:18px 36px;background:var(--accent);color:#000;font-weight:700;font-size:16px;border:none;border-radius:14px;cursor:pointer;transition:all .2s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 60px #63f5bc4d}.btn-ghost{background:none;border:1.5px solid var(--border);color:var(--muted);font-weight:600;font-size:14px;padding:14px 28px;border-radius:12px;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-block}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;background:#63f5bc14;border:1px solid rgba(99,245,188,.2);border-radius:100px;font-size:12px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:32px}.badge-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s ease infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.form-input{width:100%;padding:16px 20px;background:var(--surface);border:1.5px solid var(--border);border-radius:14px;color:var(--text);font-family:DM Sans,sans-serif;font-size:15px;outline:none;transition:border-color .2s;margin-bottom:12px}.form-input::placeholder{color:var(--muted)}.form-input:focus{border-color:var(--accent)}.submit-btn{width:100%;padding:18px;background:var(--accent);color:#000;font-family:DM Sans,sans-serif;font-weight:700;font-size:16px;border:none;border-radius:14px;cursor:pointer;transition:all .2s}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 16px 50px #63f5bc4d}.submit-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.quiz-main{position:relative;z-index:1;max-width:800px;margin:0 auto;padding:60px 24px 80px;min-height:calc(100vh - 72px);display:flex;flex-direction:column;justify-content:center}.screen{animation:fadeUp .5s ease both}@keyframes fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeUpModal{0%{opacity:0;transform:translate(-50%,calc(-50% + 24px))}to{opacity:1;transform:translate(-50%,-50%)}}.quiz-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px}.q-label{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}.progress-track{width:200px;height:3px;background:var(--surface2);border-radius:100px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:100px;transition:width .6s cubic-bezier(.4,0,.2,1)}.back-btn{background:none;border:1px solid var(--border);color:var(--muted);padding:10px 20px;border-radius:10px;cursor:pointer;font-size:14px;font-family:DM Sans,sans-serif;font-weight:500;display:flex;align-items:center;gap:6px;transition:all .2s}.back-btn:hover{border-color:var(--accent);color:var(--accent)}.back-btn.invisible{visibility:hidden;pointer-events:none}.q-text{font-family:DM Sans,sans-serif;font-size:clamp(20px,3.5vw,28px);font-weight:700;letter-spacing:-.01em;line-height:1.35;margin-bottom:36px;color:var(--text)}.q-cat{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;padding:4px 14px;background:var(--surface2);border-radius:100px}.screen-title{font-family:DM Sans,sans-serif;font-size:clamp(30px,5vw,44px);font-weight:800;letter-spacing:-.03em;margin-bottom:12px}.screen-sub{font-size:15px;color:var(--muted);margin-bottom:28px;line-height:1.7}footer{position:relative;z-index:1;border-top:1px solid var(--border);padding:40px 48px;max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}footer p{font-size:13px;color:var(--muted)}@media (max-width: 540px){nav{padding:0 20px}footer{flex-direction:column;gap:16px;text-align:center;padding:32px 20px}}