html,body,#root{min-height:100vh;margin:0;padding:0}:root{--ink:#0f1b2d;--muted:#5b6b80;--brand:#1b6e4a;--brand-ink:#0c3b27;--line:#e4e9ef;--bg:#f6f8fa;--sel:#eaf5ef;--radius:14px}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.shell{background:#fff;flex-direction:column;max-width:560px;min-height:100vh;margin:0 auto;display:flex}.topbar{border-bottom:1px solid var(--line);z-index:2;background:#fff;align-items:center;gap:12px;padding:14px 18px;display:flex;position:sticky;top:0}.topbar .back{color:var(--muted);cursor:pointer;background:0 0;border:none;font-size:22px}.topbar .back:disabled{opacity:.25;cursor:default}.topbar .brand{letter-spacing:-.02em;color:var(--brand-ink);font-weight:800}.topbar .count{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:14px}.stage{flex:1;padding:26px 20px 40px;animation:.25s fade}@keyframes fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.step-head h1,.offer h1{letter-spacing:-.02em;margin:0 0 8px;font-size:24px;line-height:1.2}.offer h2{margin:26px 0 10px;font-size:16px}.sub{color:var(--muted);margin:0 0 20px}.body{line-height:1.5}.body.details{background:var(--bg);color:var(--muted);border-radius:12px;padding:14px;font-size:14px}.options{flex-direction:column;gap:10px;margin-bottom:22px;display:flex}.opt{text-align:left;border:1.5px solid var(--line);border-radius:var(--radius);cursor:pointer;background:#fff;flex-direction:column;gap:3px;padding:16px;font-size:16px;transition:all .12s;display:flex}.opt:hover{border-color:var(--brand)}.opt.sel{border-color:var(--brand);background:var(--sel)}.opt small{color:var(--muted)}.btn-primary{border-radius:var(--radius);background:var(--brand);color:#fff;cursor:pointer;border:none;width:100%;padding:16px;font-size:16px;font-weight:700}.btn-primary:disabled{opacity:.4;cursor:default}.inputs-row{gap:10px;margin-bottom:18px;display:flex}.inputs-row label,.single-input{color:var(--muted);flex-direction:column;flex:1;gap:6px;font-size:13px;display:flex}input{border:1.5px solid var(--line);border-radius:12px;width:100%;padding:14px;font-size:16px}.single-input{margin-bottom:18px;position:relative}.single-input .unit{color:var(--muted);position:absolute;top:14px;right:14px}.bullets{padding-left:18px;line-height:1.7}.chart{border-bottom:1px solid var(--line);align-items:flex-end;gap:6px;height:140px;margin:10px 0 20px;display:flex}.chart .bar{background:linear-gradient(var(--brand), #cfe7da);border-radius:6px 6px 0 0;flex:1;min-height:10px;position:relative}.chart .bar span{text-align:center;color:var(--muted);font-size:10px;position:absolute;top:-18px;left:0;right:0}.check{cursor:pointer;align-items:flex-start;gap:10px;margin-bottom:18px;display:flex}.check input{width:auto;margin-top:3px}.check.small span{color:var(--muted);font-size:12px}.plans{flex-direction:column;gap:10px;margin-bottom:22px;display:flex}.plan{border:1.5px solid var(--line);border-radius:var(--radius);cursor:pointer;background:#fff;justify-content:space-between;align-items:center;padding:16px;display:flex}.plan.sel{border-color:var(--brand);background:var(--sel)}.plan-head{align-items:center;gap:8px;display:flex}.badge{color:var(--brand);background:var(--sel);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700}.plan-price{font-weight:800}.legal{color:var(--muted);margin-top:14px;font-size:11px;line-height:1.5}.checkout-steps{color:var(--muted);gap:14px;margin-bottom:18px;font-size:13px;display:flex}.checkout-steps .active{color:var(--brand-ink);font-weight:700}.checkout-steps .done{color:var(--brand)}.summary{border:1px solid var(--line);border-radius:var(--radius);margin:8px 0 20px;padding:14px}.summary .row{justify-content:space-between;padding:6px 0;font-size:14px;display:flex}.summary .row.strike span:first-child{color:var(--muted);text-decoration:line-through}.summary .row.strike strong{color:var(--brand)}.summary .row.total{border-top:1px solid var(--line);margin-top:6px;padding-top:10px;font-size:16px;font-weight:800}.pay-mount{border:1.5px dashed var(--line);text-align:center;color:var(--muted);border-radius:12px;margin-bottom:12px;padding:22px 14px;font-size:13px}.btn-secondary{border:1.5px solid var(--line);border-radius:var(--radius);width:100%;color:var(--muted);cursor:not-allowed;background:#fff;margin-bottom:14px;padding:14px;font-size:15px}