*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
p{margin:0 0 1.1em}
a{text-underline-offset:3px;text-decoration-thickness:1px}
:focus-visible{outline:2.5px solid var(--focus);outline-offset:3px}
.wrap{width:100%;max-width:var(--max,1120px);margin:0 auto;padding:0 24px}
.narrow{max-width:var(--narrow,760px)}
fieldset{border:0;padding:0;margin:0}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:11px 18px;z-index:100}
.skip:focus{left:12px;top:10px}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{height:26px;width:auto}
.masthead .wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.navtoggle{display:none;margin-left:auto;background:none;border:1px solid currentColor;border-radius:3px;padding:9px 12px;font:inherit;font-size:.85rem;cursor:pointer;color:inherit}
@media (max-width:880px){
  .navtoggle{display:block}
  .nav{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:6px 24px 18px;margin-left:0;z-index:70}
  .nav[hidden]{display:none}
  .nav a{padding:13px 0;font-size:.98rem}
}
.result[hidden]{display:none}
.opts input{position:absolute;opacity:0;width:0;height:0}
.axis-track{position:relative;height:3px;border-radius:2px;margin:34px 0 30px}
.axis-pin{position:absolute;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center}
.axis-pin .dot{width:15px;height:15px;border-radius:50%}
.axis-pin .lbl{position:absolute;white-space:nowrap;font-size:.735rem;letter-spacing:.01em}
.axis-pin.above .lbl{bottom:20px}
.axis-pin.below .lbl{top:20px}
.axis-span{position:absolute;top:50%;height:3px;transform:translateY(-50%);border-radius:2px}
.levers{list-style:none;padding:0;margin:20px 0 0}
.levers li{display:flex;align-items:baseline;gap:14px}
.levers .yr{flex:0 0 66px;font-weight:650;text-align:right}
.levers .txt{flex:1 1 auto}
.levers .txt b{display:block}
.faq summary{cursor:pointer;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}}

:root{--paper:#F3F3F1;--surface:#FFFFFF;--black:#131719;--ink:#131719;--ink-2:#454B4E;--ink-3:#757C80;
--line:#DEDEDA;--line-2:#C2C2BC;--blue:#1B91CE;--blue-deep:#125F88;--blue-soft:#E7F3FA;
--pass:#1F6F4A;--pass-soft:#E7F1EC;--flag:#A8401C;--flag-soft:#F8E9E3;--focus:#1B91CE;--max:1120px}
body{background:var(--paper);color:var(--ink);font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:16.5px;line-height:1.64}
h1,h2,h3,h4{font-family:"IBM Plex Sans",sans-serif;font-weight:600;margin:0 0 .45em;letter-spacing:-.012em;color:var(--ink)}
h1{font-size:clamp(2rem,1.3rem + 2.8vw,3.15rem);line-height:1.1}
h2{font-size:clamp(1.38rem,1.12rem + 1.15vw,1.9rem);margin-top:2.3em;line-height:1.2}
h3{font-size:1.14rem;margin-top:1.85em}
h4{font-size:.99rem;margin-top:1.5em}
a{color:var(--blue-deep)}
.mono,.kicker,.tl .when,.article-meta,.tldr h2,.related h2,.evidence cite{font-family:"IBM Plex Mono",monospace}

.masthead{background:var(--black);color:#fff;position:sticky;top:0;z-index:60}
.nav a{color:#A9AFB2;font-size:.88rem;text-decoration:none}
.nav a:hover,.nav a[aria-current=page]{color:#fff}
.nav a[aria-current=page]{box-shadow:inset 0 -2px 0 var(--blue)}
@media(max-width:880px){.nav{background:var(--black)}.nav a{border-bottom:1px solid #262B2D}}

.hero{background:var(--black);color:#B0B6B9;padding:72px 0 76px;position:relative}
.hero::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--blue)}
.hero h1{color:#fff;max-width:16ch}
.hero .lede{font-size:1.07rem;color:#9AA1A5;max-width:58ch;margin-top:18px}
.hero .lede a{color:#78CDF2}
.kicker{font-size:.73rem;color:var(--blue);letter-spacing:.11em;margin:0 0 16px}
.hero .kicker{color:#78CDF2}

.band{padding:58px 0}
.band-surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-ink{background:var(--black);color:#A9AFB2}
.band-ink h2,.band-ink h3{color:#fff}.band-ink a{color:#78CDF2}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:34px}
.cols h3{margin-top:0;padding-left:14px;border-left:3px solid var(--blue)}
.cols p{padding-left:14px}.cols p:last-child{margin-bottom:0}
.cardlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(265px,1fr));gap:26px}
.cardlist article{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--black);padding:22px}
.cardlist h3{margin:0 0 7px;font-size:1.06rem}
.cardlist h3 a{text-decoration:none}.cardlist h3 a:hover{text-decoration:underline}
.cardlist p{font-size:.88rem;color:var(--ink-2);margin:0}
.tl{list-style:none;padding:0;margin:28px 0 0;border-left:2px solid var(--line-2)}
.tl li{display:grid;grid-template-columns:96px 1fr;gap:20px;padding:18px 0 18px 24px;position:relative}
.tl li::before{content:"";position:absolute;left:-6px;top:26px;width:10px;height:10px;background:var(--blue);border:2px solid var(--paper)}
.tl .when{font-size:.74rem;color:var(--ink-3);letter-spacing:.09em;padding-top:4px}
.tl h3{margin:0 0 4px}.tl p{margin:0;font-size:.89rem;color:var(--ink-2)}
table{margin:26px 0;font-size:.875rem}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600;font-size:.79rem;letter-spacing:.05em;color:var(--ink-3);border-bottom:2px solid var(--black);
font-family:"IBM Plex Mono",monospace;text-transform:none}
.evidence{border-left:3px solid var(--blue);background:var(--surface);padding:16px 20px;margin:26px 0;color:var(--ink-2)}
.evidence cite{display:block;font-size:.78rem;color:var(--ink-3);font-style:normal;margin-top:8px;letter-spacing:.02em}
.caution{background:var(--flag-soft);border-left:3px solid var(--flag);padding:16px 19px;margin:26px 0;font-size:.9rem}
.caution strong{color:var(--flag)}.caution p:last-child{margin-bottom:0}
.btn{display:inline-block;background:var(--black);color:#fff;border:1px solid var(--black);padding:11px 22px;
font-size:.92rem;font-weight:500;text-decoration:none;border-radius:1px}
.btn:hover{background:#000;color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{background:var(--surface)}
.btn-lite{background:#fff;color:var(--black);border-color:#fff}
.article{background:var(--surface)}
.article-head{border-bottom:1px solid var(--line);padding:50px 0 28px;border-left:4px solid var(--blue)}
.article-meta{font-size:.76rem;color:var(--ink-3);margin-top:15px;letter-spacing:.04em}
.article-body{padding:36px 0 58px;max-width:68ch}
.article-body h2:first-child{margin-top:0}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em}
.article-body li{margin-bottom:.5em}
.tldr{background:var(--paper);border-left:3px solid var(--black);padding:18px 20px;margin:0 0 32px}
.tldr h2{margin:0 0 8px;font-size:.73rem;letter-spacing:.11em;color:var(--ink-3);font-weight:500}
.tldr ul,.tldr p:last-child{margin-bottom:0}
.faq{border-top:2px solid var(--black);margin-top:34px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{padding:16px 34px 16px 0;font-weight:500;font-size:1rem}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:1.3rem;color:var(--blue);font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq .ans{padding:0 0 16px;color:var(--ink-2);max-width:66ch}
.related{border-top:2px solid var(--black);padding-top:22px;margin-top:44px}
.related h2{margin-top:0;font-size:.73rem;letter-spacing:.11em;color:var(--ink-3);font-weight:500}
.related ul{list-style:none;padding:0;margin:0}
.related li{padding:9px 0;border-bottom:1px solid var(--line)}.related li:last-child{border-bottom:0}
.foot{background:var(--black);color:#8B9296;padding:48px 0 30px;font-size:.85rem}
.foot a{color:#A9AFB2}.foot h2{margin-top:0}.foot h2{color:#fff;font-size:.78rem;margin:0 0 10px;font-family:"IBM Plex Mono",monospace;letter-spacing:.06em}
.foot ul{list-style:none;padding:0;margin:0}.foot li{padding:4px 0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:26px}}
.foot-legal{border-top:1px solid #272C2E;margin-top:32px;padding-top:20px;font-size:.77rem;line-height:1.6;color:#757C80}
.foot-legal p{margin:0 0 8px;max-width:88ch}
.disclaimer{background:#1B2022;border-left:3px solid var(--blue);padding:13px 17px;margin:0 0 18px;font-size:.8rem;line-height:1.6;color:#A9AFB2}