@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');
:root{--bg:#f5f9ff;--surface:#fff;--line:#dce7f5;--navy:#0b2b52;--blue:#1e63d6;--muted:#536b88;--gold:#d8bd7f;--soft:#edf4fd;--radius:18px;font-family:Inter,Arial,sans-serif;color:var(--navy);background:var(--bg);line-height:1.7}
*{box-sizing:border-box}body{margin:0}html{scroll-behavior:smooth;scroll-padding-top:20px}a{color:var(--blue);text-underline-offset:3px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}img{max-width:100%;height:auto}h1,h2,h3{font-family:'Space Grotesk',Inter,Arial,sans-serif;line-height:1.18;letter-spacing:-.035em}h1{font-size:clamp(34px,4.5vw,60px);max-width:900px;margin:18px 0}h2{font-size:clamp(26px,3vw,36px);margin:12px 0 22px}h3{font-size:23px;margin:14px 0}p{margin:12px 0 18px}li{margin:10px 0}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #bc8100;outline-offset:3px}.wrap{max-width:1160px;margin:auto;padding:0 26px}.skip{position:absolute;top:-100px;left:12px;background:#fff;padding:12px;z-index:200}.skip:focus{top:10px}.study-header{background:#102b43;color:white;border-top:3px solid var(--gold)}.study-brand{max-width:1160px;padding:22px 26px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.study-brand>a{display:flex;align-items:center;gap:18px;color:#fff;text-decoration:none;font-size:28px;font-weight:700}.study-brand img{width:88px;height:58px;object-fit:contain;background:#fff;border-radius:8px}.study-brand small{display:block;font-size:10px;color:var(--gold);letter-spacing:.1em;margin-top:4px}.study-header nav{display:flex;max-width:1108px;margin:auto;border-top:1px solid #ffffff24}.study-header nav a{flex:1;padding:16px 12px;color:#edf3f7;font-size:12px;text-decoration:none;border-right:1px solid #ffffff19;display:flex;align-items:center}.study-header nav a:hover,.study-header nav a[aria-current]{background:#ffffff0c;box-shadow:inset 0 -3px var(--gold)}.study-menu{display:none;background:transparent;border:1px solid #ffffff55;color:#fff;padding:10px 16px;border-radius:8px;min-height:44px}.study-hero{background:linear-gradient(130deg,#e7f0fe,#f5f9ff);border-bottom:1px solid var(--line);padding:38px 0 48px}.back{font-size:13px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}.lead{font-size:19px;max-width:800px;color:var(--muted)}.content{padding-top:28px;padding-bottom:60px}.section-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.section-nav a{font-size:13px;padding:10px 14px;background:#fff;border:1px solid var(--line);border-radius:100px;text-decoration:none}.panel{padding:34px;margin-bottom:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 6px 26px -22px #123a6b55}.notice{padding:20px 22px;border-left:4px solid #b88b33;background:#fff8e9;border-radius:0 10px 10px 0;margin:22px 0;font-size:14px}.source,figcaption{font-size:12px;color:var(--muted);line-height:1.65}.cite{font-size:11px;font-weight:700;white-space:nowrap}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.inset{padding:22px;background:var(--soft);border:1px solid var(--line);border-radius:12px;min-width:0}.inset p{font-size:14px}.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:26px 0;counter-reset:flow}.flow>div{position:relative;background:var(--navy);color:#fff;padding:24px 18px;border-radius:12px;counter-increment:flow}.flow>div:before{content:'0' counter(flow);display:block;color:var(--gold);font-size:11px;margin-bottom:12px}.flow b{display:block;font-size:18px}.flow span{display:block;font-size:12px;margin-top:10px;color:#d6e1f0}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:26px 0}.stats>div{padding:20px;background:var(--soft);border:1px solid var(--line);border-radius:12px}.stats b{display:block;font-size:28px;letter-spacing:-.04em;color:var(--blue)}.stats span{font-size:12px;color:var(--muted);display:block}.table-scroll{overflow:auto;max-width:100%;margin:22px 0;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;font-size:13px;min-width:610px}caption{text-align:left;padding:14px 16px;background:var(--soft);font-weight:600}th,td{text-align:left;vertical-align:top;padding:14px 16px;border-bottom:1px solid var(--line)}thead{background:var(--navy);color:#fff}tbody th{width:20%}tbody tr:nth-child(even){background:#f8fbff}.simple-bars{margin:26px 0}.simple-bars>div{display:grid;grid-template-columns:2fr 3fr 70px;align-items:center;gap:14px;margin:18px 0;font-size:13px}.track{height:20px;background:var(--soft);border:1px solid var(--line);border-radius:5px;overflow:hidden}.track i{height:100%;display:block;background:var(--blue)}.button{display:inline-flex;align-items:center;justify-content:center;padding:11px 17px;min-height:46px;border:1px solid var(--line);background:#fff;border-radius:9px;color:var(--navy);text-decoration:none;font-size:13px;font-weight:600;cursor:pointer;margin:4px 4px 4px 0;gap:8px}.primary{color:#fff;background:var(--blue);border-color:var(--blue)}.button:disabled{opacity:.45;cursor:not-allowed}.actions{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}.steps{padding-left:25px}.steps li{padding-left:5px}.download-layout{display:grid;grid-template-columns:1.3fr 1fr;align-items:center;gap:40px}.qr{margin:0;padding:26px;border:1px solid var(--line);background:#fff;border-radius:18px;text-align:center}.qr img{display:block;width:100%;max-width:320px;margin:auto;image-rendering:pixelated}.qr a{font-size:13px;display:inline-block;padding:12px}.references{padding-left:24px;font-size:13px}.references li{margin-bottom:18px;overflow-wrap:anywhere}details{margin:18px 0;padding:16px 18px;background:#f8fbff;border:1px solid var(--line);border-radius:10px}summary{cursor:pointer;font-weight:600;min-height:30px;font-size:14px}details p,details li{font-size:14px}.field,label{display:block;font-size:13px;font-weight:600}input:not([type=checkbox]),select,textarea{width:100%;min-height:46px;padding:10px 12px;border:1px solid #9fb5cf;background:#fff;border-radius:7px;color:var(--navy);margin-top:7px}input[type=checkbox]{width:20px;height:20px;flex-shrink:0}textarea{resize:vertical;font-family:monospace;font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:20px 0}.four{grid-template-columns:repeat(4,minmax(0,1fr))}fieldset{min-width:0;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:20px 0}legend{font-size:14px;font-weight:700;padding:0 8px}fieldset p{font-size:12px;color:var(--muted)}.check{display:flex;gap:12px;align-items:flex-start;font-weight:400;margin:20px 0}.file-button{position:relative;overflow:hidden}.file-button input[type=file]{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}#planError,#pairError{color:#a52b27}#planResult:not(:empty),#pairResult:not(:empty){border-top:3px solid var(--blue);padding-top:22px;margin-top:24px}code{font-size:12px;overflow-wrap:anywhere}.level-chart{margin:25px 0}.bar-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin:32px 0 20px}.bar-category{min-width:0;text-align:center;font-size:13px}.bar-pair{height:180px;display:flex;gap:8px;border-bottom:1px solid #7892b2;background:repeating-linear-gradient(to top,transparent 0,transparent calc(25% - 1px),var(--line) calc(25% - 1px),var(--line) 25%)}.bar-slot{flex:1;height:100%;display:flex;align-items:flex-end;justify-content:center}.bar{position:relative;width:100%;max-width:52px;border-radius:5px 5px 0 0}.bar b{position:absolute;bottom:100%;left:0;right:0;padding-bottom:4px;font-size:13px}.pre{background:#8fa9c7}.post{background:var(--blue)}.bar-labels{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:10px;margin:8px 0}.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.timeline>div{padding:16px;background:var(--soft);border-radius:8px}.timeline b{display:block;color:var(--blue)}.timeline span{font-size:12px}.skill-bars{margin:18px 0}.skill-bars>div{display:grid;grid-template-columns:130px 1fr 60px;gap:10px;align-items:center;margin:10px 0;font-size:12px}footer{background:#102b43;color:#dae7f3;padding:32px 0;font-size:13px}footer a{color:var(--gold)}footer p{color:#aebfd2}.print-only{display:none}
@media(max-width:760px){.study-brand{padding:18px}.study-brand>a{font-size:22px;gap:10px}.study-brand img{width:64px;height:48px}.study-brand small{font-size:8px;max-width:180px}.study-menu{display:block}.study-header nav{display:none;flex-direction:column;padding:0 18px 15px}.study-header nav.open{display:flex}.study-header nav a{min-height:44px;border:0;border-bottom:1px solid #ffffff20}.wrap{padding-left:18px;padding-right:18px}.panel{padding:24px}.grid2,.download-layout{grid-template-columns:1fr}.flow,.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.lead{font-size:17px}.timeline{grid-template-columns:repeat(2,minmax(0,1fr))}.download-layout{gap:20px}.qr{max-width:380px;width:100%;margin:auto}}
@media(max-width:480px){.panel{padding:20px 16px}.form-grid,.four{grid-template-columns:1fr}.stats{gap:8px}.stats>div{padding:14px}.stats b{font-size:25px}.bar-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 20px}.simple-bars>div{grid-template-columns:1fr 65px;gap:6px}.simple-bars>div>span{grid-column:1/-1}.flow>div{padding:18px 12px}.flow b{font-size:16px}.skill-bars>div{grid-template-columns:100px 1fr 48px}.study-brand small{max-width:150px}.section-nav a{font-size:12px}.study-hero{padding:25px 0 30px}h1{font-size:34px}fieldset{padding:12px}.button{max-width:100%;white-space:normal;text-align:center}}
.study-brand img{width:64px;height:64px;border-radius:12px;background:#0c345b;border:1px solid #ffffff26}
@media(max-width:480px){.study-brand img{width:50px;height:50px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.study-header,.section-nav,.back,.actions,button,.button,footer,.skip{display:none!important}body,:root{background:white;font-size:10pt}.wrap{max-width:none;padding:0}.study-hero{padding:0;background:white}.panel{box-shadow:none;border:0;padding:12px 0;margin:0;break-inside:auto}h1{font-size:26pt}h2{font-size:19pt}h3{font-size:14pt}h2,h3{break-after:avoid}.table-scroll{overflow:visible}table{min-width:0;font-size:9pt}tr,.inset,.stats>div,.qr{break-inside:avoid}input,select,textarea{font-size:9pt}a{color:inherit}.study-hero .eyebrow{margin:0}form details{display:none}.content{padding:0}.grid2{gap:12px}.stats b{font-size:22pt}.notice{border:1px solid #aaa}.bar-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.print-only{display:block}}