.bt{justify-content:center;align-items:center;min-height:100vh;padding:56px 24px;display:flex}.bt-intro{background:var(--ink-900);color:var(--on-ink);background-image:radial-gradient(120% 90% at 15% 0,#58d3c61a,#0000 55%),radial-gradient(90% 80% at 100% 100%,#3f63d61f,#0000 60%)}.bt-light{background:var(--paper);color:var(--text);background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);background-position:50%;background-size:64px 64px}.bt-light .bt-shell{background:var(--paper)}.bt-shell{width:min(680px,100%)}.bt-q-shell,.bt-form-shell{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--e2);padding:40px}.bt-eyebrow{font-family:var(--font-data);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-bright);font-size:13px;font-weight:500;display:inline-block}.bt-h1{font-family:var(--font-display);letter-spacing:-.025em;margin:20px 0 0;font-size:clamp(32px,4.4vw,52px);font-weight:600;line-height:1.06}.bt-h2{font-family:var(--font-display);letter-spacing:-.02em;margin:0;font-size:clamp(26px,3vw,36px);font-weight:600;line-height:1.12}.bt-lead{max-width:560px;color:var(--on-ink-muted);margin:22px 0 0;font-size:19px;line-height:1.6}.bt-intro .bt-lead{color:var(--on-ink-muted)}.bt-sub{color:var(--text-muted);margin:12px 0 0;font-size:16px;line-height:1.55}.bt-trust{font-family:var(--font-data);color:var(--on-ink-muted);margin:22px 0 0;font-size:13px}.bt-btn{border-radius:var(--r-sm);min-height:52px;font-family:var(--font-body);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:0 26px;font-size:16px;font-weight:600;transition:background .18s,border-color .18s,color .18s;display:inline-flex}.bt-intro .bt-btn{margin-top:32px}.bt-btn-primary{background:var(--accent);color:#08162f}.bt-btn-primary:hover:not(:disabled){background:var(--accent-bright)}.bt-btn-primary:disabled{opacity:.45;cursor:not-allowed}.bt-btn-ghost{border-color:var(--ink-600);color:var(--on-ink);background:0 0}.bt-btn-ghost:hover{border-color:var(--accent-bright);color:var(--accent-bright)}.bt-btn-full{width:100%;margin-top:8px}.bt-progress{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}.bt-progress-count{font-family:var(--font-data);color:var(--accent-deep);font-size:14px;font-weight:600}.bt-progress-section{font-family:var(--font-data);letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-size:12px}.bt-progress-bar{background:var(--mist);border-radius:9px;flex-basis:100%;height:3px;margin-top:6px;overflow:hidden}.bt-progress-bar i{background:var(--accent);height:100%;transition:width .3s;display:block}.bt-q-title{font-family:var(--font-display);letter-spacing:-.015em;margin:26px 0 24px;font-size:clamp(22px,2.4vw,30px);font-weight:600;line-height:1.2}.bt-options{flex-direction:column;gap:12px;display:flex}.bt-option{border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper-2);width:100%;min-height:56px;color:var(--text);text-align:left;cursor:pointer;align-items:flex-start;gap:14px;padding:16px 18px;font-size:16px;line-height:1.45;transition:border-color .15s,background .15s,box-shadow .15s;display:flex}.bt-option:hover{border-color:#b9c6de}.bt-option.is-on{border-color:var(--accent);background:var(--accent-wash);box-shadow:inset 0 0 0 1px var(--accent)}.bt-option-mark{border:1px solid var(--line);width:26px;height:26px;font-family:var(--font-data);color:var(--text-muted);border-radius:6px;flex:none;place-items:center;font-size:12px;font-weight:600;display:grid}.bt-option.is-on .bt-option-mark{border-color:var(--accent-deep);background:var(--accent);color:#08162f}.bt-option-quiet{min-height:48px;color:var(--text-muted);background:0 0;font-size:15px}.bt-option-quiet.is-on{color:var(--text)}.bt-nav{justify-content:space-between;align-items:center;gap:12px;margin-top:28px;display:flex}.bt-back{min-height:44px;color:var(--text-muted);cursor:pointer;background:0 0;border:0;padding:0 4px;font-size:15px;font-weight:600}.bt-back:hover{color:var(--accent-deep)}.bt-answered{font-family:var(--font-data);color:var(--text-muted);margin:14px 0 0;font-size:12px}.bt-form-shell .bt-back{margin-bottom:12px}.bt-form{flex-direction:column;gap:16px;margin-top:22px;display:flex}.bt-field{flex-direction:column;gap:7px;display:flex}.bt-field span{color:var(--text);font-size:14px;font-weight:600}.bt-field b{color:#c0524a}.bt-field i{color:var(--text-muted);font-style:normal;font-weight:500}.bt-field input,.bt-field textarea{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper-2);width:100%;min-height:52px;color:var(--text);font:inherit;padding:14px 15px;font-size:16px}.bt-field textarea{resize:vertical;min-height:96px;line-height:1.5}.bt-field input:focus,.bt-field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);outline:none}.bt-consent{color:var(--text-muted);align-items:flex-start;gap:10px;font-size:14px;line-height:1.5;display:flex}.bt-consent input{width:18px;height:18px;accent-color:var(--accent-deep);flex:none;margin-top:3px}.bt-error{color:#c0524a;margin:0;font-size:14px;font-weight:600}@media (max-width:600px){.bt{padding:32px 16px}.bt-q-shell,.bt-form-shell{padding:24px 20px}}@media (prefers-reduced-motion:reduce){.bt-progress-bar i,.bt-btn,.bt-option{transition:none}}.bt-thanks{font-family:var(--font-display);letter-spacing:-.015em;color:var(--accent-bright);margin:18px 0 0;font-size:clamp(20px,2vw,25px);font-weight:500;line-height:1.35}.bt-thanks+.bt-lead{margin-top:14px}.bt-shell-wide{width:min(880px,100%)}.bt-lead-split{max-width:none}.bt-lead-split span{display:block}.bt-lead-split span:first-child{white-space:nowrap}.bt-lead-split span+span{margin-top:var(--s-3,12px)}@media (max-width:900px){.bt-lead-split span:first-child{white-space:normal}}