#bfn-survey-app{--bfn-blue:#18bce6;--bfn-bg:#07090b;--bfn-card:#0d1115;--bfn-text:#fff;--bfn-muted:#aab3bb;font-family:Arial,Helvetica,sans-serif;background:var(--bfn-bg);color:var(--bfn-text);padding:38px 16px;min-height:70vh}.bfn-survey-shell{max-width:820px;margin:0 auto}.bfn-survey-brand{text-align:center;font-size:28px;font-weight:900;letter-spacing:3px;color:var(--bfn-blue);margin-bottom:20px}.bfn-progress-wrap{height:9px;background:#1d242a;border-radius:999px;overflow:hidden}.bfn-progress-bar{height:100%;width:0;background:var(--bfn-blue);transition:width .25s ease}.bfn-progress-text{text-align:right;color:var(--bfn-muted);font-size:13px;margin:8px 2px 20px}.bfn-intro-card,.bfn-question-card,.bfn-thanks-card{background:var(--bfn-card);border:1px solid #27323a;border-radius:18px;padding:34px;box-shadow:0 16px 45px rgba(0,0,0,.28)}.bfn-question-card,.bfn-thanks-card{display:none}.bfn-intro-card h1,.bfn-question-card h2,.bfn-thanks-card h2{color:#fff;margin:0 0 14px;line-height:1.15}.bfn-intro-card h1{font-size:clamp(30px,6vw,48px)}.bfn-intro-card p,.bfn-hint,.bfn-thanks-card p{color:#c8d0d6;font-size:17px;line-height:1.6}.bfn-question-kicker{color:var(--bfn-blue);font-size:13px;font-weight:900;letter-spacing:1.6px;margin-bottom:10px}.bfn-options{display:grid;gap:10px;margin-top:22px}.bfn-option{display:flex;align-items:flex-start;gap:12px;border:1px solid #2a353d;border-radius:12px;padding:15px 16px;background:#11171c;cursor:pointer;transition:.2s}.bfn-option:hover{border-color:var(--bfn-blue);transform:translateY(-1px)}.bfn-option input{margin-top:3px;accent-color:var(--bfn-blue);transform:scale(1.15)}.bfn-option span{font-size:16px;line-height:1.35}.bfn-other-text,textarea,input[type="text"],input[type="email"]{width:100%;box-sizing:border-box;background:#0a0f13;color:#fff;border:1px solid #35424c;border-radius:10px;padding:13px 14px;font-size:16px}.bfn-other-text{margin-top:2px}textarea{margin-top:18px;min-height:150px}.bfn-optional-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.bfn-optional-grid label{font-size:14px;font-weight:700}.bfn-optional-grid span{font-weight:400;color:#8e9aa3}.bfn-optional-grid input{margin-top:7px}.bfn-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.bfn-btn{appearance:none;border:0;border-radius:10px;padding:14px 22px;font-weight:900;font-size:16px;cursor:pointer;text-decoration:none!important;display:inline-flex;align-items:center;justify-content:center}.bfn-btn-primary{background:var(--bfn-blue);color:#041016!important}.bfn-btn-secondary{background:#26313a;color:#fff!important}.bfn-error{color:#ff8f8f;font-weight:700;margin-top:12px;min-height:18px}.bfn-check{width:64px;height:64px;border-radius:50%;background:var(--bfn-blue);color:#041016;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:900;margin-bottom:18px}.bfn-thanks-card{text-align:left}@media(max-width:640px){#bfn-survey-app{padding:20px 10px}.bfn-intro-card,.bfn-question-card,.bfn-thanks-card{padding:24px 18px;border-radius:14px}.bfn-optional-grid{grid-template-columns:1fr}.bfn-nav{flex-direction:column-reverse}.bfn-btn{width:100%;box-sizing:border-box}.bfn-progress-text{text-align:center}}