:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#10213b;background:#f4f7fc;font-synthesis:none;line-height:1.6}*{box-sizing:border-box}body{margin:0}a{color:#2155e8;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #2155e8;outline-offset:4px}.skip{position:absolute;top:-100px;left:16px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}header{background:white;border-bottom:1px solid #dbe3f0}nav{max-width:1180px;margin:auto;display:flex;align-items:center;gap:28px;padding:22px 28px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#10213b;font-weight:800;letter-spacing:-.04em;font-size:1.25rem}.mark{background:#2155e8;color:white;padding:3px 10px;letter-spacing:-.08em;font-weight:900}nav .links{display:flex;gap:24px;flex-wrap:wrap;margin-left:auto;font-size:.9rem}nav .links a{color:#10213b;text-decoration:none}nav .links a[aria-current]{color:#2155e8;text-decoration:underline}main{max-width:1180px;margin:auto;padding:42px 28px 80px}.eyebrow{font-family:ui-monospace,monospace;font-size:.875rem;text-transform:uppercase;letter-spacing:.12em;color:#2155e8;font-weight:600}h1{font-size:clamp(2.15rem,4.3vw,3.8rem);line-height:1.12;letter-spacing:-.055em;max-width:930px;margin:14px 0 22px}h2{font-size:1.6rem;letter-spacing:-.025em;line-height:1.3;margin:30px 0 16px}h3{font-size:1.15rem;line-height:1.4}.intro{font-size:1.125rem;color:#42536b;max-width:740px}.hero{padding:28px 0 38px}.hero h1{max-width:790px;font-size:clamp(2.75rem,6vw,5.3rem)}.button{display:inline-block;background:#2155e8;color:white;padding:13px 20px;text-decoration:none;font-weight:650;border-radius:4px}.button:hover{background:#1642bd}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{background:white;border:1px solid #dbe3f0;padding:26px;border-radius:6px}.card .index{font-family:ui-monospace,monospace;color:#2155e8;font-size:.875rem}.card p{color:#42536b}.card h2{margin-top:16px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;border-top:1px solid #dbe3f0;margin-top:30px}.calc-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;align-items:start;margin:30px 0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:7px}.field input,.field select{width:100%;padding:11px 12px;border:1px solid #a9b9d1;border-radius:4px;background:white;color:#10213b;min-height:48px}.wide{grid-column:1/-1}.hint{font-size:.875rem;color:#56677e;margin:8px 0}.calc-grid h2{margin:0 0 20px}.results{background:#10213b;color:white;border-radius:6px;padding:28px}.results h2{color:#acbfdf;font-size:1rem;margin:0 0 14px}.profit-label{font-size:.9rem;color:#acbfdf}.profit{font-size:clamp(2.7rem,4vw,4rem);font-weight:750;letter-spacing:-.04em;overflow-wrap:anywhere}.loss .profit{color:#ffb4a9}.stats{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid #34455e;padding-top:22px;margin-top:20px}.stats dt{font-size:.875rem;color:#acbfdf}.stats dd{margin:5px 0;font-size:1.35rem;font-weight:650;overflow-wrap:anywhere}.breakdown{border-top:1px solid #34455e;margin-top:20px;padding-top:12px}.row{display:flex;justify-content:space-between;gap:20px;margin:12px 0;font-size:.9rem}.track{height:8px;background:#34455e;margin:20px 0 8px;border-radius:4px;overflow:hidden}.fill{height:100%;background:#78a0ff}.results .hint{color:#acbfdf}.error{color:#b42318;font-size:.9rem}.prose{max-width:810px}.prose p,.prose li{color:#42536b}.note{border-left:4px solid #2155e8;background:white;padding:18px 22px;margin:24px 0}.chips{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.chip{border:1px solid #dbe3f0;background:white;padding:6px 12px;font-size:.9rem}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;background:white;margin:20px 0}th,td{border-bottom:1px solid #dbe3f0;padding:14px 18px;text-align:left;white-space:nowrap}th{font-size:.9rem;color:#42536b}td.empty{background:#fafcff}footer{background:white;border-top:1px solid #dbe3f0;padding:26px 28px;color:#56677e;font-size:.875rem}footer .inner{max-width:1124px;margin:auto;display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap}details{background:white;border:1px solid #dbe3f0;padding:18px 22px;margin:20px 0}summary{cursor:pointer;font-weight:650}code{overflow-wrap:anywhere}@media(max-width:780px){nav{gap:14px;padding:18px 20px}nav .links{margin-left:0;gap:16px;width:100%}main{padding:28px 20px 50px}.grid,.calc-grid{grid-template-columns:1fr}.hero{padding-top:10px}.card{padding:22px}.results{padding:24px}.section-head{display:block}.form-grid{gap:16px}}@media(max-width:390px){.form-grid,.stats{grid-template-columns:1fr}.wide{grid-column:auto}}