:root{--ink:#121820;--muted:#66717f;--paper:#f5f7fa;--card:#fff;--line:#d9e0e8;--blue:#1458d4;--blue2:#0c3892;--lime:#c9f252;--red:#ad2733;--shadow:0 24px 70px rgba(18,24,32,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.55}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:auto;padding:0 24px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;text-decoration:none;letter-spacing:-.02em}.brand span{display:grid;place-items:center;width:38px;height:38px;background:var(--ink);color:var(--lime);border-radius:10px;font-size:13px;letter-spacing:.03em}.quiet-link{color:var(--muted);text-decoration:none;font-weight:650}.quiet-link:hover{color:var(--blue)}main{max-width:1200px;margin:auto;padding:28px 24px 88px}.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;padding:32px 0 42px}.intro>div:first-child{max-width:760px}.kicker,.step{margin:0 0 10px;font-size:13px;font-weight:850;letter-spacing:.14em;color:var(--blue)}h1{font-size:clamp(42px,6vw,78px);line-height:.98;letter-spacing:-.055em;margin:0 0 22px;max-width:900px}.intro p:not(.kicker){font-size:19px;max-width:690px;margin:0;color:var(--muted)}.privacy-note{min-width:220px;border-left:3px solid var(--lime);padding:4px 0 4px 16px}.privacy-note strong,.privacy-note span{display:block}.privacy-note span{font-size:14px;color:var(--muted)}.workspace{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.inputs,.results{padding:34px}.inputs{border-right:1px solid var(--line)}.panel-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:26px}.panel-heading h2,.explain h2{margin:0;font-size:27px;line-height:1.15;letter-spacing:-.035em}.text-button{border:0;background:none;color:var(--blue);font:inherit;font-weight:750;padding:8px;cursor:pointer}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}label{font-weight:750;font-size:15px}label>span{display:block;color:var(--muted);font-weight:450;font-size:13px;margin:2px 0 7px}.money,.suffix{display:flex;align-items:center;border:1px solid var(--line);border-radius:11px;background:#fbfcfe;transition:.2s}.money:focus-within,.suffix:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,88,212,.12);background:#fff}.money b,.suffix b{color:var(--muted);padding-left:13px}.suffix b{padding:0 13px 0 0}input{width:100%;min-width:0;border:0;outline:0;background:transparent;padding:12px 10px;font:inherit;font-weight:700;color:var(--ink)}.primary,.secondary{width:100%;border:0;border-radius:12px;padding:15px 18px;font:inherit;font-weight:800;cursor:pointer;transition:transform .15s,background .15s}.primary{margin-top:24px;background:var(--blue);color:#fff}.primary:hover{background:var(--blue2);transform:translateY(-1px)}.secondary{background:var(--ink);color:#fff;margin-top:22px}.secondary:hover{background:#26313e}.helper{font-size:13px;color:var(--muted);margin:12px 0 0}.results{background:#f0f4f9}.status{font-size:13px;font-weight:800;padding:7px 10px;background:#e4eaf1;border-radius:999px;white-space:nowrap}.status.good{background:#e3f6c1;color:#315e00}.status.caution{background:#fff0bd;color:#715200}.status.weak{background:#f8dadd;color:var(--red)}.lead-result{background:var(--ink);color:#fff;padding:24px;border-radius:16px;margin-bottom:18px}.lead-result span{color:#aeb9c7;font-size:13px;text-transform:uppercase;letter-spacing:.1em;font-weight:750}.lead-result strong{display:block;color:var(--lime);font-size:32px;line-height:1.15;margin:8px 0}.lead-result p{margin:0;color:#cbd2dc;font-size:14px}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px}.metrics article{padding:16px;background:#fff;border:1px solid var(--line);border-radius:13px}.metrics span,.metrics small{display:block;color:var(--muted);font-size:13px}.metrics strong{display:block;font-size:24px;letter-spacing:-.035em;margin:4px 0}.comparison{margin-top:18px;border-top:1px solid var(--line)}.comparison div{display:flex;justify-content:space-between;gap:14px;padding:13px 2px;border-bottom:1px solid var(--line)}.comparison span{color:var(--muted)}.comparison strong{text-align:right}.copied{min-height:20px;text-align:center;color:var(--blue);font-weight:750;font-size:13px;margin:8px 0 0}.explain{padding:90px 0 24px}.explain>div:first-child{max-width:640px}.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}.rules article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.rules b{color:var(--blue);font-size:13px}.rules h3{margin:20px 0 8px;font-size:18px}.rules p{margin:0;color:var(--muted);font-size:15px}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:32px;max-width:1200px;margin:auto;padding:28px 24px 44px;color:var(--muted);font-size:13px}footer span{color:var(--ink);font-weight:850}footer p{margin:0;max-width:740px}@media(max-width:850px){main{padding-top:10px}.intro{display:block;padding-top:18px}.privacy-note{margin-top:24px}.workspace{grid-template-columns:1fr}.inputs{border-right:0;border-bottom:1px solid var(--line)}.rules{grid-template-columns:1fr}}@media(max-width:560px){.topbar{height:62px;padding:0 16px}.quiet-link{font-size:14px}main{padding:16px 12px 64px}h1{font-size:44px}.intro p:not(.kicker){font-size:17px}.workspace{border-radius:18px}.inputs,.results{padding:24px 18px}.field-grid{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}.metrics strong{font-size:21px}.panel-heading h2{font-size:23px}.comparison div{font-size:14px}footer{display:block;padding:24px 16px}footer p{margin-top:10px}}