.onb{--onb-ink:#0A0A0A;--onb-muted:#6B7280;--onb-line:#E5E7EB;--onb-accent:#10B981;--onb-accent-soft:#D1FAE5;--onb-error:#DC2626;--onb-radius:12px;max-width:720px;margin:0 auto;padding:200px 24px 180px;color:var(--onb-ink);font-family:'Inter',sans-serif}.onb [hidden]{display:none}.onb__topbar{display:flex;align-items:center;gap:16px;padding:28px 0 40px}.onb__back{display:inline-flex;align-items:center;gap:4px;background:none;border:none;padding:6px 8px;margin-left:-8px;font:inherit;font-size:14px;font-weight:500;color:var(--onb-muted);cursor:pointer;border-radius:8px;transition:color 0.2s ease,background 0.2s ease}.onb__back:hover{color:var(--onb-ink);background:#F3F4F6}.onb__bar{flex:1;height:4px;background:var(--onb-line);border-radius:999px;overflow:hidden}.onb__bar-fill{display:block;height:100%;width:0;background:var(--onb-accent);border-radius:999px;transition:width 0.35s cubic-bezier(.22,1,.36,1)}.onb__count{font-size:13px;font-weight:600;color:var(--onb-muted);font-variant-numeric:tabular-nums;white-space:nowrap}.onb-slide{display:none}.onb-slide.is-active{display:block;animation:onb-in 0.4s cubic-bezier(.22,1,.36,1) both}@keyframes onb-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.onb-slide__eyebrow,.onb-slide__kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--onb-accent);margin-bottom:16px}.onb-slide__title{font-size:clamp(2rem, 5vw, 3rem);font-weight:700;line-height:1.1;letter-spacing:-.02em;margin-bottom:20px}.onb-slide__lead{font-size:18px;line-height:1.6;color:var(--onb-muted);margin-bottom:36px}.onb-slide__q{display:block;font-size:clamp(1.4rem, 3.4vw, 2rem);font-weight:600;line-height:1.25;letter-spacing:-.01em;margin-bottom:24px}.onb-slide__opt{font-size:.6em;font-weight:600;color:var(--onb-muted);vertical-align:middle;padding:3px 10px;border:1px solid var(--onb-line);border-radius:999px;margin-left:8px;text-transform:uppercase;letter-spacing:.05em}.onb-slide__help{font-size:15px;color:var(--onb-muted);margin:-12px 0 24px}.onb-input{width:100%;font:inherit;font-size:20px;color:var(--onb-ink);background:#fff;padding:14px 16px;border:1.5px solid var(--onb-line);border-radius:var(--onb-radius);transition:border-color 0.2s ease,box-shadow 0.2s ease}.onb-input::placeholder{color:#9CA3AF}.onb-input:focus{outline:none;border-color:var(--onb-accent);box-shadow:0 0 0 3px rgb(10 10 10 / .06)}.onb-textarea{resize:vertical;min-height:120px;line-height:1.5}.onb-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:44px}.onb-field-label{display:block;font-size:14px;font-weight:600;color:var(--onb-muted);margin:20px 0 8px}.onb-choices{display:flex;flex-direction:column;gap:12px}.onb-choices--inline{flex-direction:row;flex-wrap:wrap;margin-top:16px}.onb-choice{position:relative;display:flex;align-items:center;gap:12px;padding:16px 20px;border:1.5px solid var(--onb-line);border-radius:var(--onb-radius);cursor:pointer;font-size:17px;font-weight:500;transition:border-color 0.15s ease,background 0.15s ease,transform 0.1s ease}.onb-choices--inline .onb-choice{flex:1 1 auto}.onb-choice:hover{border-color:#9CA3AF}.onb-choice input{position:absolute;opacity:0;width:0;height:0}.onb-choice::before{content:"";flex:0 0 auto;width:20px;height:20px;border:1.5px solid #D1D5DB;border-radius:999px;transition:border-color 0.15s ease,box-shadow 0.15s ease}.onb-choice:has(input:checked),.onb-choice.is-selected{border-color:var(--onb-accent);background:#fff}.onb-choice:has(input:checked)::before,.onb-choice.is-selected::before{border-color:var(--onb-accent);box-shadow:inset 0 0 0 5px var(--onb-accent)}.onb-choice:has(input:focus-visible){box-shadow:0 0 0 3px rgb(10 10 10 / .12)}.onb-choice--font-sans span{font-family:'Inter',system-ui,sans-serif;font-size:20px;letter-spacing:-.01em}.onb-choice--font-serif span{font-family:'Iowan Old Style','Palatino Linotype',Palatino,'Book Antiqua',Georgia,serif;font-size:21px}.onb-swatches{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}.onb-swatch{position:relative;width:48px;height:48px;padding:0;border:2px solid var(--onb-line);border-radius:10px;background:var(--sw,#fff);cursor:pointer;transition:transform 0.1s ease,box-shadow 0.15s ease}.onb-swatch:hover{transform:translateY(-2px)}.onb-swatch.is-selected{box-shadow:0 0 0 3px #fff,0 0 0 5px var(--onb-ink)}.onb-swatch--custom{display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff}.onb-swatch--custom .onb-swatch-native{position:absolute;inset:0;width:100%;height:100%;padding:0;border:none;opacity:0;cursor:pointer}.onb-swatch-plus{font-size:24px;font-weight:400;line-height:1;color:var(--onb-muted)}.onb-slide__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:32px}.onb-slide__hint{font-size:13px;color:var(--onb-muted)}.onb-slide__hint kbd{font-family:inherit;font-size:12px;font-weight:600;background:#F3F4F6;border:1px solid var(--onb-line);border-radius:5px;padding:2px 6px}.onb-skip{background:none;border:none;font:inherit;font-size:14px;font-weight:500;color:var(--onb-muted);cursor:pointer;text-decoration:underline;text-underline-offset:3px}.onb-skip:hover{color:var(--onb-ink)}.onb-slide__err{margin-top:14px;font-size:14px;font-weight:500;color:var(--onb-error)}.onb .btn[disabled]{opacity:.55;cursor:not-allowed}.onb .btn--primary.is-loading{position:relative;color:#fff0}.onb .btn--primary.is-loading::after{content:"";position:absolute;top:50%;left:50%;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid rgb(255 255 255 / .4);border-top-color:#fff;border-radius:999px;animation:onb-spin 0.6s linear infinite}@keyframes onb-spin{to{transform:rotate(360deg)}}.onb__hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.onb__success{text-align:center;padding:40px 0 24px;animation:onb-in 0.4s cubic-bezier(.22,1,.36,1) both}.onb__success-check{width:72px;margin:0 auto 24px}.onb__success-title{font-size:clamp(1.6rem, 4vw, 2.2rem);font-weight:700;letter-spacing:-.01em;margin-bottom:16px}.onb__success-text{font-size:17px;line-height:1.6;color:var(--onb-muted);max-width:480px;margin:0 auto 32px}@media (max-width:560px){.onb{padding:150px 18px 120px}.onb__topbar{padding:20px 0 32px}.onb-input{font-size:18px}.onb-slide__actions{margin-top:24px}.onb-choices--inline{flex-direction:column}}