:root{
--paper:#FFFFFF;
--tint:#F5F8FD;
--tint-2:#EDF3FB;
--line:#DCE6F2;
--line-2:#EAF0F8;
--ink:#14162E;
--body:#495B71;
--soft:#5E6F85;
--blue:#2547F5;
--blue-deep:#1E37C0;
--blue-wash:#EAEEFE;
--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
--wrap:1120px;
--lift:0 1px 2px rgba(13,27,42,.04),0 8px 24px -12px rgba(13,27,42,.10);
}
*{box-sizing:border-box}
html,body{overflow-x:hidden;overscroll-behavior-x:none;max-width:100%}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--body);font-family:var(--sans);
font-size:17px;line-height:1.74;letter-spacing:-.003em;-webkit-font-smoothing:antialiased;
-webkit-text-size-adjust:100%}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 26px}
a{color:var(--blue-deep);text-decoration:underline;text-decoration-color:rgba(31,90,196,.35);
text-underline-offset:4px;text-decoration-thickness:1px}
a:hover{text-decoration-color:var(--blue)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
code{font-family:var(--mono);font-size:.88em;color:var(--blue-deep);background:var(--blue-wash);
padding:2px 7px;border-radius:4px}

.site-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.88);
border-bottom:1px solid var(--line-2);backdrop-filter:saturate(150%) blur(12px)}
.site-head .wrap{display:flex;align-items:center;gap:26px;min-height:70px}
.site-nav{margin-left:auto}
.site-nav ul{display:flex;align-items:center;gap:26px;margin:0;padding:0;list-style:none}
.site-nav a{font-size:.94rem;font-weight:600;letter-spacing:-.012em;color:var(--ink);
text-decoration:none;white-space:nowrap}
.site-nav a:hover{color:var(--blue);text-decoration:none}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1rem;flex:0 0 auto;
letter-spacing:-.015em;color:var(--ink);text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{width:28px;height:24px;flex:0 0 auto;display:block;overflow:visible}
.bar-under{fill:#C3CEE2}
.bar-over{fill:var(--blue)}
.bar-line{fill:var(--ink)}

.btn{display:inline-block;font-weight:600;font-size:.95rem;letter-spacing:-.01em;
padding:13px 24px;border-radius:8px;border:1px solid var(--blue);background:var(--blue);
color:#fff;text-decoration:none;box-shadow:0 1px 2px rgba(31,90,196,.18);
transition:background .16s ease,border-color .16s ease,box-shadow .16s ease}
.btn:hover{background:var(--blue-deep);border-color:var(--blue-deep);text-decoration:none;
box-shadow:0 4px 14px rgba(31,90,196,.24)}
.btn-head{padding:11px 22px;font-size:.9rem;border-radius:999px;box-shadow:none}
.btn-head:hover{box-shadow:0 4px 14px rgba(37,71,245,.28)}
.btn-lg{font-size:1rem;padding:16px 32px}

.hero{background:linear-gradient(180deg,var(--tint) 0%,var(--paper) 100%);
border-bottom:1px solid var(--line-2);padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-copy{grid-column:2;grid-row:1}
.hero-art{grid-column:1;grid-row:1}
.hero-art img{width:100%;max-width:100%;border-radius:16px;box-shadow:var(--lift)}
h1{font-weight:800;letter-spacing:-.035em;line-height:1.08;
font-size:clamp(1.85rem,2.9vw,2.1rem);margin:0 0 15px;color:var(--ink)}
.byline{font-size:.84rem;color:var(--soft);margin:0 0 20px}
.byline strong{color:var(--ink);font-weight:600}
.hero-copy p{font-size:1.01rem;line-height:1.62;margin:0 0 15px;color:var(--body)}
.hero-cta{margin-top:26px}

section{padding:62px 0 0}
h2{clear:both;font-weight:700;letter-spacing:-.032em;line-height:1.16;
font-size:clamp(1.36rem,2.2vw,1.62rem);margin:0 0 16px;max-width:30ch;color:var(--ink)}
h3{clear:both;font-weight:650;letter-spacing:-.02em;line-height:1.34;
font-size:clamp(1.06rem,1.7vw,1.2rem);margin:36px 0 10px;color:var(--ink)}
p{margin:0 0 18px}
p strong{color:var(--ink);font-weight:600}

.toc{background:var(--tint);border:1px solid var(--line-2);border-radius:12px;margin:40px 0 0}
.toc summary{cursor:pointer;padding:17px 22px;font-family:var(--mono);font-size:.72rem;
letter-spacing:.16em;text-transform:uppercase;color:var(--soft);list-style:none}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"+";float:right;font-size:.95rem}
.toc[open] summary{color:var(--ink)}
.toc[open] summary::after{content:"\2013"}
.toc ol{margin:0;padding:0 22px 20px 44px;font-size:.95rem}
.toc li{margin:0 0 9px}

.ladder{clear:both;display:grid;margin:32px 0 12px;border-top:1px solid var(--line-2)}
.rung{display:grid;grid-template-columns:minmax(150px,.85fr) minmax(110px,1.5fr) 212px;
gap:24px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line-2)}
.rung-name{font-size:.94rem;font-weight:500;color:var(--ink)}
.rung-track{position:relative;height:6px;background:var(--line-2);border-radius:3px}
.rung-fill{position:absolute;left:0;top:0;bottom:0;background:#B9C7DC;border-radius:3px}
.rung-val{font-family:var(--mono);font-size:.76rem;color:var(--soft);white-space:nowrap;text-align:right;
overflow:hidden;text-overflow:ellipsis}
.is-house .rung-name{color:var(--blue-deep);font-weight:600}
.is-house .rung-val{color:var(--blue-deep);font-weight:600}
.is-house .rung-track{background:var(--blue-wash)}
.w08{width:8%}.w22{width:22%}.w33{width:33%}.w45{width:45%}.w100{width:100%}
.ladder-note{font-size:.84rem;color:var(--soft);margin:0}

.table-scroll{clear:both;overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;
margin:32px 0 0;border:1px solid var(--line-2);border-radius:12px;background:var(--paper)}
table{border-collapse:collapse;width:100%;min-width:760px;font-size:.92rem}
th,td{padding:15px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line-2)}
thead th{background:var(--tint);font-family:var(--mono);font-weight:400;font-size:.68rem;
letter-spacing:.14em;text-transform:uppercase;color:var(--soft);border-bottom:1px solid var(--line)}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{color:var(--ink);font-weight:600}
.house td{background:var(--blue-wash);border-bottom-color:#D5E3FA}
.house td:first-child{color:var(--blue-deep);box-shadow:inset 3px 0 0 var(--blue)}
.num{font-family:var(--mono);font-size:.85rem;color:var(--ink)}

figure{margin:30px 0 34px}
figure img{border-radius:14px;box-shadow:var(--lift)}
figcaption{font-size:.82rem;color:var(--soft);margin-top:12px;line-height:1.58}
.fig-right{float:right;width:min(310px,38%);margin:4px 0 24px 36px}

.callout{clear:both;background:var(--tint-2);border-radius:14px;padding:28px 30px;margin:36px 0 0}
.callout h3{margin-top:0;color:var(--blue-deep)}
.callout p:last-child{margin-bottom:0}

.faq{clear:both;margin:30px 0 0;border-top:1px solid var(--line-2)}
.faq details{border-bottom:1px solid var(--line-2)}
.faq summary{cursor:pointer;padding:20px 36px 20px 0;font-weight:600;font-size:1.02rem;
line-height:1.45;list-style:none;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:20px;color:var(--blue);font-size:1.05rem}
.faq details[open] summary{color:var(--blue-deep)}
.faq details[open] summary::after{content:"\2013"}
.faq-body{padding:0 0 22px}
.faq-body p{margin:0}

.author{clear:both;display:grid;grid-template-columns:132px 1fr;gap:32px;align-items:start;
background:var(--tint);border-radius:16px;padding:34px;margin:46px 0 0}
.author img{width:100%;border-radius:12px;box-shadow:var(--lift)}
.author h2{margin-top:0;font-size:1.32rem}
.role{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.15em;
margin:0 0 18px;color:var(--blue);font-weight:400}
.checked{font-family:var(--mono);font-size:.72rem;color:var(--soft);margin-bottom:0}

.cta-band{background:var(--tint-2);margin-top:76px;padding:64px 0}
.cta-band p{max-width:56ch}

.site-foot{background:var(--paper);border-top:1px solid var(--line-2);padding:44px 0 52px;font-size:.9rem}
.foot-brand{width:fit-content;margin:0 0 16px;font-size:1.02rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:40px}
.foot-links{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:.88rem}
.foot-note{color:var(--soft);margin:22px 0 0;font-size:.82rem}
.site-foot strong{color:var(--ink);font-weight:600}

.page-head{background:linear-gradient(180deg,var(--tint) 0%,var(--paper) 100%);
border-bottom:1px solid var(--line-2);padding:70px 0 54px}
.page-head p{color:var(--body);max-width:62ch;margin:0;font-size:1.05rem}
.updated{font-family:var(--mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;
color:var(--soft);margin:0 0 26px;padding:0 0 18px;border-bottom:1px solid var(--line-2)}
.prose h2{margin-top:38px}
.prose h2:first-of-type{margin-top:0}
.prose{max-width:70ch}
.prose ul,.prose ol{padding-left:20px}
.prose li{margin:0 0 10px}
.prose li::marker{color:var(--blue)}

@media (max-width:1040px){
.site-nav ul{gap:18px}
.site-nav a{font-size:.88rem}
.site-head .wrap{gap:18px}
}
@media (max-width:860px){
.site-nav{display:none}
.site-head .wrap{justify-content:space-between}
}
@media (max-width:900px){
.hero{padding-top:40px;padding-bottom:44px}
.hero-grid{grid-template-columns:1fr;gap:0}
.hero-copy{grid-column:1;grid-row:auto;padding-bottom:30px}
.hero-art{grid-column:1;grid-row:auto}
.hero-art img{margin:0 auto;max-width:330px}
.author{grid-template-columns:1fr;gap:22px;padding:26px}
.author img{max-width:150px}
.foot-grid{grid-template-columns:1fr}
.fig-right{float:none;width:100%;max-width:440px;margin:28px 0}
.rung{grid-template-columns:1fr auto;gap:6px 16px;padding:14px 0}
.rung-val{width:auto;overflow:visible}
.rung-name{grid-column:1}
.rung-val{grid-column:2;grid-row:1}
.rung-track{grid-column:1 / -1}
section{padding:52px 0 0}
}
@media (max-width:560px){
body{font-size:16px}
.wrap{padding:0 20px}
.site-head .wrap{min-height:58px}
.hero{padding-top:22px;padding-bottom:32px}
h1{font-size:clamp(1.84rem,7.2vw,2.3rem);line-height:1.07;margin-bottom:10px}
.byline{margin-bottom:13px;font-size:.71rem}
.hero-copy{padding-bottom:20px}
.hero-copy p{font-size:.96rem;line-height:1.52;margin-bottom:10px}
.hero-cta{margin-top:19px}
.hero-art img{max-width:290px}
.btn-lg{width:100%;text-align:center;padding:15px 20px}
.callout{padding:22px}
}
@media (max-width:380px){
.hero{padding-top:16px}
h1{font-size:1.62rem;line-height:1.08;margin-bottom:9px}
.byline{margin-bottom:10px;font-size:.69rem}
.hero-copy{padding-bottom:14px}
.hero-copy p{font-size:.91rem;line-height:1.46;margin-bottom:8px}
.hero-cta{margin-top:15px}
.btn-lg{padding:13px 18px;font-size:.94rem}
}
@media (max-width:900px) and (max-height:700px){
.hero{padding-top:10px}
h1{font-size:1.42rem;line-height:1.09;margin-bottom:7px}
.byline{margin-bottom:8px;font-size:.68rem}
.hero-copy{padding-bottom:10px}
.hero-copy p{font-size:.87rem;line-height:1.42;margin-bottom:7px}
.hero-cta{margin-top:12px}
.btn-lg{padding:11px 16px;font-size:.9rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}