:root{--bg:#0F1B2D;--card:#17263C;--text:#F4F6F8;--muted:#A9B8C9;--neutral:#8FA3B8;--gain:#2FBF71;--accent:#F2B84B;--line:#2B3D57}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:32px 16px 48px}
h1{font-size:clamp(1.7rem,6vw,2.4rem);line-height:1.15;margin:0 0 12px}
h2{font-size:1.2rem;margin:36px 0 8px}
p{margin:0 0 12px}
.lead{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin:24px 0}
label{display:block;font-weight:600;margin-bottom:8px}
.field{display:flex;align-items:center;gap:10px}
input{width:100%;max-width:220px;background:var(--bg);color:var(--text);border:1px solid var(--neutral);border-radius:8px;padding:12px;font-size:1.3rem}
input:focus{outline:2px solid var(--accent);outline-offset:2px}
.err{color:var(--accent);min-height:1.5em;margin:8px 0 0;font-size:.95rem}
.paid{margin:18px 0 16px;color:var(--muted)}
.paid b{color:var(--text)}
.row{margin:0 0 16px}
.row-top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.val{font-weight:700;font-size:1.25rem}
.track{height:14px;background:var(--bg);border-radius:7px;overflow:hidden;margin-top:6px;position:relative}
.bar{display:block;height:100%;border-radius:7px;background:var(--neutral);transition:width .25s}
.row.best .bar{background:var(--gain)}
.row.best .val{color:var(--gain)}
.row.avg .bar{background:var(--text)}
.val.neg{color:#E5484D}
.period{display:block;color:var(--muted);font-size:.9rem}
.range-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.range-top output{font-size:1.3rem;font-weight:700;color:var(--accent);white-space:nowrap}
input[type=range]{display:block;max-width:none;width:100%;height:44px;margin:0;padding:0;border:0;background:none;accent-color:var(--accent);cursor:pointer}
.ticks{display:flex;justify-content:space-between;color:var(--muted);font-size:.9rem;margin:-4px 0 20px}
.note{border-left:3px solid var(--accent);padding:2px 0 2px 12px;margin:0}
ul{padding-left:20px;margin:0 0 12px}
li{margin-bottom:6px}
a{color:var(--accent)}
footer{border-top:1px solid var(--line);margin-top:36px;padding-top:16px;color:var(--muted);font-size:.95rem}
@media (prefers-reduced-motion:reduce){.bar{transition:none}}

.site-head{display:flex;align-items:center;gap:10px;padding:14px 16px;max-width:720px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:1.15rem}
.brand svg{width:36px;height:36px;flex:none}
.top-nav{margin-left:auto;display:flex;gap:14px;font-size:.95rem}
main{padding-top:12px}
table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:.95rem}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.stand{color:var(--muted);font-size:.95rem}
.button{display:inline-block;background:var(--accent);color:var(--bg);font-weight:700;text-decoration:none;padding:12px 18px;border-radius:8px;margin:8px 0 16px}
footer a{margin-right:12px}
.site-foot{max-width:720px;margin:0 auto;padding:16px 16px 48px}
main{padding-bottom:0}
/* v2 */
:root{--wide:1120px;--serif:ui-serif,Georgia,"Times New Roman",serif}
html{scroll-behavior:smooth}
h1,h2{font-family:var(--serif);letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,6.5vw,3.3rem);line-height:1.08;margin:0 0 16px}
h2{font-size:clamp(1.45rem,3.5vw,1.9rem);line-height:1.2;margin:44px 0 12px}
main{padding-top:28px}
.lead{font-size:1.12rem;line-height:1.55;color:#C6D2DF;margin-bottom:24px}
.site-head,.site-foot{max-width:var(--wide);padding-left:24px;padding-right:24px}
.site-head{padding-top:20px;padding-bottom:20px;flex-wrap:wrap}
.top-nav{gap:22px}
.top-nav a{color:#C6D2DF;text-decoration:none;padding:12px 0;display:block}
.top-nav a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.site-foot{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;margin-top:56px}
.site-foot p{flex:1 1 320px;margin:0}
.site-foot a{margin:0;padding:8px 0}
.wrap{max-width:var(--wide);margin:0 auto;padding-left:24px;padding-right:24px}
main.home{max-width:none;padding:0}
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:56px;align-items:center;padding-top:56px;padding-bottom:64px}
.eyebrow{color:var(--accent);font-weight:600;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin:0 0 14px}
.hero h1{font-size:clamp(2.6rem,6.5vw,4.2rem)}
.hero .lead{max-width:34em;margin-bottom:28px}
.button{display:inline-flex;align-items:center;min-height:48px;margin:0;padding:0 24px;border-radius:10px;font-weight:600;transition:background-color .15s}
.button:hover{background:#FFD98A;color:var(--bg)}
.measure{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.measure .cap{color:#C6D2DF;font-size:.9rem;margin:0}
.measure .cap+.cap{margin-bottom:22px}
.m-row{margin-bottom:18px}
.m-top{display:flex;justify-content:space-between;gap:12px;font-size:.92rem;margin-bottom:7px}
.m-top strong{font-variant-numeric:tabular-nums;white-space:nowrap}
.m-track{height:12px;border-radius:6px;background:#22344C;overflow:hidden}
.m-track span{display:block;height:100%;border-radius:6px;background:var(--neutral)}
.m-row.mid .m-track span{background:#C6D2DF}
.m-row.top .m-track span{background:var(--accent)}
.m-row.top strong{color:var(--accent)}
.measure .fine{font-size:.84rem;line-height:1.5;color:#AEBDCE;margin:20px 0 0}
.scale{height:14px;background-image:repeating-linear-gradient(90deg,#2B3D57 0 1px,transparent 1px 24px)}
.section{padding-top:60px;padding-bottom:12px}
.section h2{margin-top:0;margin-bottom:24px}
.q{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--text);text-decoration:none}
.q+.q{border-top:0}
.q span{display:block}
.q-text{flex:1 1 420px;min-width:0}
.q-title{font-size:1.35rem;font-weight:600;line-height:1.3;margin-bottom:6px}
.q-sub{color:#C6D2DF}
.q-go{color:var(--accent);font-weight:600;white-space:nowrap}
.q:hover .q-title{color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.tile{display:block;padding:26px;border-radius:14px;background:var(--card);border:1px solid var(--line);color:var(--text);text-decoration:none;transition:border-color .15s}
.tile:hover{border-color:var(--accent)}
.tile b{display:block;font-size:1.2rem;margin-bottom:6px}
.tile span{color:#C6D2DF;line-height:1.5;display:block}
.how{background:var(--card);margin-top:64px}
.how .wrap{padding-top:48px;padding-bottom:48px}
.how h2{margin-top:0}
.how p{max-width:44em;color:#C6D2DF;margin:0}
.home+.site-foot{margin-top:0}
.cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin:26px 0}
.cta span{flex:1 1 240px;min-width:0}
.crumb{font-size:.92rem;color:#C6D2DF;margin:0 0 12px}
.tbl{overflow-x:auto}
.tbl table{min-width:0}
th{color:#C6D2DF;font-weight:600}
td{font-variant-numeric:tabular-nums}
details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px 0;margin:36px 0 0}
details+details{border-top:0;margin-top:0}
summary{cursor:pointer;font-weight:600;padding:12px 0;min-height:44px}
details h2{font-size:1.15rem;margin:18px 0 8px;font-family:inherit}
.next{display:block;margin-top:36px;padding:22px;border:1px solid var(--accent);border-radius:14px;color:var(--text);text-decoration:none}
.next small{display:block;color:var(--accent);font-size:.88rem;margin-bottom:4px}
.next b{font-size:1.2rem}
@media (max-width:820px){.hero{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:28px;padding-bottom:44px}.wrap,.site-head,.site-foot{padding-left:16px;padding-right:16px}.site-head{gap:4px}.top-nav{gap:14px;margin-left:auto}}
@media (max-width:380px){.brand span,.top-nav{font-size:.9rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.tile{transition:none}}