:root{color-scheme:dark;--yellow:#F8CA50;--ink:#141414;--paper:#141414;--surface:#1d1d1c;--text:#f5f4f0;--muted:#b8b8b1;--rule:#424240}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-height,128px)}
body{margin:0;background:var(--paper);color:var(--text);font:400 1.0625rem/1.8 Inter,sans-serif}
a{color:inherit;text-underline-offset:6px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:3px solid var(--yellow);outline-offset:6px}
.wrap{width:min(1160px,calc(100% - 96px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:var(--yellow);color:var(--ink);color-scheme:light}
.masthead{display:flex;align-items:center;justify-content:flex-start;min-height:128px;gap:42px;padding-block:12px}
.brand-mark{width:198px;height:102px;overflow:hidden;flex:0 0 198px}
.brand-mark img{display:block;object-fit:contain;width:198px;height:auto;transform:translateY(-29px)}
.header-navigation{display:flex;align-items:center;justify-content:flex-start;flex:1;min-width:0}
.section-label{font-size:.75rem;letter-spacing:.12em;font-weight:600;color:var(--muted)}
#section-navigation{display:flex;align-items:center;justify-content:flex-start;gap:22px}
#section-navigation a{position:relative;display:flex;align-items:center;min-height:44px;font-size:.8125rem;line-height:1.5;font-weight:500;white-space:nowrap;text-decoration:none}
#section-navigation a::after{content:'';position:absolute;left:0;right:0;bottom:5px;height:2px;background:currentColor;transform:scaleX(0);transform-origin:right center;transition:transform 220ms cubic-bezier(.22,.61,.36,1)}
#section-navigation a:hover,#section-navigation a:focus-visible,#section-navigation a[aria-current="location"]{font-weight:700}
#section-navigation a:hover::after,#section-navigation a:focus-visible::after,#section-navigation a[aria-current="location"]::after{transform:scaleX(1);transform-origin:left center}
.site-header :focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.menu-toggle{display:none}
.menu-toggle[hidden]{display:none}
main,main>section[id]{scroll-margin-top:24px}
main>section[id]:focus{outline:none}
.reveal-pending{opacity:0;transform:translateY(22px)}
.reveal-group{transition:opacity 600ms cubic-bezier(.22,.61,.36,1),transform 600ms cubic-bezier(.22,.61,.36,1)}
.hero{padding:65px 0 56px}
.hero-eyebrow{margin:0 0 16px;color:var(--yellow);font-size:.75rem;font-weight:600;line-height:1.4;letter-spacing:.14em}
.hero h1{max-width:1050px;font-size:clamp(3rem,5.9vw,5.2rem);margin:0 0 38px}
h1,h2{font-family:'DM Serif Display',serif;font-weight:400;line-height:1.09;letter-spacing:-.025em}
.hero-bottom{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:start}
.hero-bottom>p{font-size:1.1rem;line-height:1.8;margin:0}
.mandatory{border-left:3px solid var(--yellow);padding:0 0 0 25px}
.mandatory p{margin:0 0 9px;font-size:1rem;line-height:1.8}
.mandatory p:last-child{margin-bottom:0}
.mandatory strong{font-weight:700;color:var(--yellow)}
.quick{padding-block:30px 45px;border-top:1px solid var(--rule)}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:25px}
.quick-grid>div{border-left:1px solid var(--rule);padding-left:27px}
.quick-grid>div:first-child{border:0;padding:0}
.quick-grid strong{display:block;font-size:clamp(1.5rem,2.75vw,2.4rem);font-weight:600;letter-spacing:-.035em;line-height:1.25;color:var(--yellow)}
.quick-grid span{display:block;font-size:.875rem;line-height:1.6;margin-top:10px;color:var(--muted)}
.non-negotiable{display:grid;grid-template-columns:1fr 1fr;gap:8px 40px;border-top:1px solid var(--rule);margin:28px 0 0;padding:21px 0 0;list-style:none;font-size:.875rem}
.non-negotiable li{padding-left:19px;position:relative}
.non-negotiable li:before{content:'—';position:absolute;left:0;color:var(--yellow)}
.skip{position:absolute;top:-100px;left:20px;background:var(--yellow);color:var(--ink);padding:10px 20px;z-index:30}
.skip:focus{top:10px}
.chapter{display:grid;grid-template-columns:255px minmax(0,1fr);gap:75px;padding-block:78px;border-top:1px solid var(--rule)}
.chapter-head h2{font-size:2.5rem;margin:0}
.chapter-body{min-width:0;max-width:74ch}
.chapter-body>p:first-child{margin-top:0}
p{margin:0 0 21px}
p:last-child{margin-bottom:0}
h3{font-size:1.3rem;font-weight:600;line-height:1.4;margin:0 0 20px;letter-spacing:-.02em}
.subsection{padding-top:0;margin-top:54px}
.subsection:first-child{padding-top:0;margin-top:0;border-top:0}
ul{padding-left:23px;margin-block:20px}
li{padding-left:3px;margin-bottom:8px}
.before{background:var(--surface)}
.before .chapter{border-top:2px solid var(--yellow);padding-block:46px}
.before .chapter-body>p:first-child{font-size:1.35rem;line-height:1.6;font-weight:500}
.note{border-left:3px solid var(--yellow);padding:4px 0 4px 23px;font-weight:500}
.ai-restrictions h3{color:var(--yellow)}
.ai-restrictions .note{background:var(--yellow);color:var(--ink);border:0;padding:22px 25px;font-weight:600}
.diagram{margin:30px 0 0;padding:25px;background:#252523}
.diagram svg{width:100%;height:auto;display:block}
.diagram figcaption{font-size:.875rem;line-height:1.65;margin-top:15px;color:var(--muted)}
.diagram text{font-family:Inter,sans-serif}
.two-cols{columns:2;column-gap:30px}
.two-cols li{break-inside:avoid}
.transfer{display:flex;gap:35px;list-style:none;padding:0;margin-block:24px}
.transfer li{font-size:1.45rem;font-weight:600;padding:0;min-width:160px}
.transfer a{display:inline-flex;gap:12px;align-items:center;min-height:48px;text-decoration:underline;text-decoration-color:var(--yellow);text-underline-offset:8px}
.transfer a span{font-size:1.15rem}
.archive{background:var(--surface)}
.archive .chapter{border-top:1px solid var(--rule)}
.archive .chapter-body p{font-size:1.1rem}
.archive-link{display:inline-flex;gap:35px;align-items:center;min-height:48px;padding:6px 0;color:var(--yellow);font-weight:600;text-decoration:underline}
.archive-link span{font-size:1.4rem}
.checklist{background:var(--yellow);color:var(--ink);color-scheme:light}
.checklist .chapter{border:0;padding-block:65px}
.checklist h2{font-size:2.85rem}
.checks{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 33px}
.checks li{position:relative;padding:16px 0 16px 27px;border-top:1px solid #a78a39;margin:0;font-size:.9375rem;line-height:1.65;break-inside:avoid}
.checks li:before{content:'✓';position:absolute;left:0;font-weight:700}
.closing{margin-top:30px;padding-top:25px;border-top:2px solid;font-weight:500}
footer{padding-block:58px;display:flex;justify-content:space-between;align-items:center;gap:30px;font-size:.8125rem;color:var(--muted)}
footer a{min-height:44px;display:inline-flex;align-items:center;white-space:nowrap}

@media(max-width:950px){.wrap{width:calc(100% - 56px)}
.chapter{grid-template-columns:200px minmax(0,1fr);gap:36px}
.chapter-head h2{font-size:2.2rem}
.hero-bottom{gap:30px}
.quick-grid>div{padding-left:18px}
.quick-grid span{font-size:.875rem}
.checks{grid-template-columns:1fr}
.two-cols{columns:1}
}

@media(max-width:650px){.wrap{width:calc(100% - 40px)}
body{font-size:1rem}
.masthead{min-height:104px;gap:20px}
.brand-mark{width:155px;height:80px;flex-basis:155px}
.brand-mark img{width:155px;transform:translateY(-23px)}
.hero{padding:39px 0 35px}
.hero h1{font-size:clamp(2.4rem,8.3vw,3.5rem);line-height:1.13;letter-spacing:-.025em;margin:0 0 27px}
.desktop{display:none}
.hero-bottom{grid-template-columns:1fr;gap:24px}
.hero-bottom>p{font-size:1rem;line-height:1.75}
.mandatory{padding-left:19px}
.mandatory p{font-size:1rem;line-height:1.75}
.quick{padding-block:26px 34px}
.quick-grid{grid-template-columns:1fr 1fr;gap:25px 17px}
.quick-grid>div{padding-left:17px}
.quick-grid>div:nth-child(3){border:0;padding:0}
.quick-grid strong{font-size:clamp(1.35rem,5.9vw,1.9rem)}
.quick-grid span{font-size:.875rem}
.non-negotiable{grid-template-columns:1fr;gap:8px;margin-top:25px}
.chapter{grid-template-columns:1fr;gap:26px;padding-block:42px}
.chapter-head h2{font-size:2.35rem;margin:0}
.before .chapter{padding-block:35px}
.before .chapter-body>p:first-child{font-size:1.18rem}
.subsection{padding-top:0;margin-top:42px}
.diagram{padding:14px;margin-inline:0}
.transfer{gap:28px}
.transfer li{min-width:0;font-size:1.5rem}
.checks{margin-top:23px}
.checklist .chapter{padding-block:42px}
.checklist h2{font-size:2.6rem}
.ai-restrictions .note{padding:18px 20px}
footer{align-items:flex-start;flex-direction:column;gap:8px;font-size:.8125rem}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.reveal-group{transition:none}
.reveal-pending{opacity:1;transform:none}
}

@media(max-width:1150px){.masthead{justify-content:space-between}
.header-navigation{display:contents}
#section-navigation{flex-wrap:wrap;justify-content:flex-end;gap:6px 22px;max-width:600px}
.nav-ready .menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:6px;align-items:center;width:48px;height:48px;padding:10px;border:0;background:transparent;color:var(--ink);cursor:pointer}
.menu-toggle span{display:block;width:25px;height:2px;background:currentColor;transition:transform 180ms ease,opacity 180ms ease}
.nav-ready #section-navigation{position:absolute;top:100%;left:0;right:0;max-width:none;background:var(--yellow);padding:12px 28px 22px;display:grid;grid-template-columns:1fr 1fr;gap:0 30px;border-top:1px solid #b7943a}
.nav-ready #section-navigation[hidden]{display:none}
#section-navigation a{font-size:.9375rem;min-height:48px}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}

@media(max-width:650px){.nav-ready #section-navigation{grid-template-columns:1fr;padding:10px 20px 18px}
.site-header:not(.nav-ready) .masthead{flex-wrap:wrap}
.site-header:not(.nav-ready) #section-navigation{justify-content:flex-start;gap:0 18px}
.site-header:not(.nav-ready) #section-navigation a{font-size:.8125rem}
.chapter{padding-block:48px}
}

@media print{:root{color-scheme:light;--text:#141414;--muted:#444;--rule:#aaa;--yellow:#665000}
body{background:white;font-size:10pt}
.wrap{width:100%}
.site-header{position:static;background:white}
.masthead{min-height:100px}
.header-navigation,.menu-toggle,#section-navigation{display:none!important}
.reveal-pending{opacity:1;transform:none}
.reveal-group{transition:none}
.brand-mark{width:120px;height:74px;overflow:visible;flex-basis:120px}
.brand-mark img{background:#f8ca50;width:120px;transform:none}
.masthead a,footer a,.skip{display:none}
.hero{padding:20px 0}
.hero h1{font-size:34pt}
.chapter{grid-template-columns:180px 1fr;padding:25px 0;gap:20px}
.before,.archive,.checklist{background:white}
.subsection,figure{break-inside:avoid}
.ai-restrictions .note{background:#eee}
.checks{grid-template-columns:1fr 1fr}
.diagram{background:#eee}
.checklist .chapter{padding:25px 0}
}