.casebook-section,.casebook-related{--case-gold:#96703a;--case-silver:#738498;background:var(--soft);border-block:1px solid var(--line)}
[data-theme=dark] .casebook-section,[data-theme=dark] .casebook-related{--case-gold:#ddbc7b;--case-silver:#bacbdc}
.casebook-section{border-top:3px solid var(--case-gold)}
.casebook-section .section-heading{align-items:start}
.casebook-section .section-heading p{max-width:47ch}
.casebook-filters{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0 12px}
.casebook-filters[hidden],.casebook-card[hidden]{display:none!important}
.casebook-filters button{min-height:46px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:10px 18px;border-radius:999px;font:600 1rem var(--body);cursor:pointer}
.casebook-filters button[aria-pressed=true]{color:var(--surface);background:var(--ink);border-color:var(--ink)}
.casebook-filters button:hover{border-color:var(--case-gold)}
.casebook-count{font-size:.9rem;color:var(--muted);margin:0 0 24px;min-height:1.5em}
.casebook-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.casebook-card{position:relative;display:flex;flex-direction:column;padding:30px;border:1px solid var(--line);border-top:3px solid var(--case-gold,#96703a);background:var(--card);border-radius:18px;box-shadow:var(--shadow);transition:border-color .18s,transform .18s}
.casebook-card:nth-child(even){border-top-color:var(--case-silver,#738498)}
.casebook-card:hover,.casebook-card:focus-within{border-color:var(--case-gold,#96703a);transform:translateY(-3px)}
.casebook-label{font-size:.875rem!important;font-weight:700;letter-spacing:.035em;color:var(--muted);margin:0 0 16px!important}
.casebook-card h3{font-size:1.35rem;line-height:1.4;margin:0 0 14px;max-width:34ch}
.casebook-card h3 a{color:var(--ink);text-decoration:none}
.casebook-card>p:not(.casebook-label){color:var(--muted);margin:0 0 22px;font-size:1rem;line-height:1.75}
.casebook-card-fact{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:16px 0;border-top:1px solid var(--line);margin-top:auto;font-size:.875rem}
.casebook-card-fact strong{font:700 1.25rem var(--display);color:var(--ink)}
.casebook-read{display:flex;justify-content:space-between;gap:16px;align-items:center;font-weight:700;font-size:1rem;min-height:44px;color:var(--blue)}
.casebook-related .casebook-grid{margin-top:26px}
.casebook-related .casebook-read{margin-top:auto}
.casebook-related h2{max-width:30ch}
.casebook-hero{border-bottom:3px solid #b79964;padding-block:36px 64px}
.casebook-hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);gap:56px;align-items:center}
.casebook-hero h1{font-size:clamp(2.1rem,3.5vw,3.65rem);line-height:1.16;max-width:20ch;margin:18px 0 24px;letter-spacing:-.035em}
.casebook-hero .lede{max-width:52ch;font-size:1.15rem;line-height:1.7}
.casebook-status{font-size:1rem;line-height:1.7;max-width:57ch;margin:22px 0 28px;padding-left:16px;border-left:3px solid #b79964;color:var(--muted)}
.casebook-brief{background:var(--card);color:var(--ink);border:1px solid var(--line);border-top:4px solid #b79964;border-right:4px solid #9baabb;border-radius:18px;padding:28px;box-shadow:var(--shadow)}
.casebook-brief dl{margin:0;display:grid;gap:0}
.casebook-brief dl>div{padding:16px 0;border-top:1px solid var(--line)}
.casebook-brief dt{font-size:.875rem;color:var(--muted);margin-bottom:6px}
.casebook-brief dd{font:700 clamp(1.2rem,2vw,1.65rem)/1.4 var(--display);margin:0}
.casebook-brief>p:last-child{font-size:.875rem;line-height:1.6;margin:12px 0 0;color:var(--muted)}
.casebook-jumps{border-bottom:1px solid var(--line);background:var(--card)}
.casebook-jumps .container{display:flex;gap:18px 30px;flex-wrap:wrap;padding-block:19px}
.casebook-jumps a{font-size:.95rem;font-weight:700;min-height:28px;display:inline-flex;align-items:center}
.casebook-reading{display:grid;grid-template-columns:minmax(0,1fr) minmax(270px,.48fr);gap:56px;align-items:start}
.casebook-reading article{min-width:0}
.casebook-reading article>section{margin-bottom:48px;scroll-margin-top:120px}
.casebook-reading h2{font-size:clamp(1.7rem,2.6vw,2.3rem);line-height:1.25;margin:12px 0 22px;letter-spacing:-.025em}
.casebook-reading h3{font-size:1.15rem;line-height:1.5;margin:24px 0 10px}
.casebook-reading p,.casebook-reading li{font-size:1.0625rem;line-height:1.85;color:var(--muted)}
.casebook-reading .kicker{font-size:.875rem;color:var(--blue)}
.casebook-steps{counter-reset:case-step;list-style:none;padding:0;margin:0}
.casebook-steps>li{position:relative;padding-left:55px;margin:26px 0;counter-increment:case-step}
.casebook-steps>li:before{content:counter(case-step,decimal-leading-zero);position:absolute;left:0;top:0;width:37px;height:37px;display:grid;place-items:center;font-size:.875rem;color:var(--blue);border:1px solid var(--line);border-radius:50%;background:var(--soft)}
.casebook-steps h3{color:var(--ink)}
.casebook-choice{border-block-start:1px solid var(--line);padding:18px 0}
.casebook-choice:last-child{border-block-end:1px solid var(--line)}
.casebook-choice summary{cursor:pointer;font-weight:700;font-size:1.05rem;line-height:1.6;color:var(--ink);padding:4px 0}
.casebook-choice p{margin:18px 0 0}
.casebook-decision{background:var(--soft);border-left:3px solid #b79964;padding:26px;border-radius:0 14px 14px 0}
.casebook-decision p{margin-bottom:0}
.casebook-evidence{position:sticky;top:116px;background:var(--card);border:1px solid var(--line);border-top:3px solid #9baabb;border-radius:16px;padding:28px;scroll-margin-top:120px}
.casebook-evidence h2{font-size:1.4rem;line-height:1.4}
.casebook-evidence ul{padding-left:20px;margin:22px 0}
.casebook-evidence li{font-size:1rem;margin-bottom:16px}
.casebook-evidence p{font-size:1rem}
.casebook-evidence .actions{display:flex;flex-direction:column;align-items:stretch;gap:12px}
.casebook-evidence .btn{white-space:normal;text-align:center;padding:14px 16px;line-height:1.5;justify-content:center}
.casebook-service-links{display:grid;gap:16px;border-top:1px solid var(--line);padding-top:24px;margin-top:26px}
.casebook-service-links a{font-size:.95rem;line-height:1.55}
.casebook-reading .source-note{font-size:.875rem;line-height:1.8}
.casebook-section :focus-visible,.casebook-related :focus-visible,.casebook-content :focus-visible,.casebook-jumps :focus-visible{outline:3px solid var(--blue);outline-offset:5px;border-radius:3px}
@media(max-width:1000px){.casebook-hero-grid{gap:28px;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr)}.casebook-reading{gap:28px;grid-template-columns:minmax(0,1fr) minmax(260px,.55fr)}.casebook-evidence{padding:22px;position:static}}
@media(max-width:760px){.casebook-hero-grid,.casebook-reading{grid-template-columns:1fr}.casebook-hero{padding-bottom:36px}.casebook-hero h1{max-width:23ch}.casebook-brief dl{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px}.casebook-grid{grid-template-columns:1fr}.casebook-card{padding:24px}.casebook-hero-grid{gap:24px}.casebook-evidence{margin-top:0}.casebook-jumps .container{gap:8px 20px}.casebook-jumps a{min-height:40px}.casebook-steps>li{padding-left:49px}.casebook-related{padding-block:36px}.casebook-filters{gap:8px}.casebook-filters button{padding:9px 13px;font-size:.95rem}.casebook-reading article>section{margin-bottom:36px}}
@media(max-width:360px){.casebook-brief dl{grid-template-columns:1fr}.casebook-hero h1{font-size:2rem}.casebook-card-fact{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.casebook-card{transition:none}.casebook-card:hover,.casebook-card:focus-within{transform:none}}
@media print{.casebook-jumps,.casebook-filters,.casebook-evidence .actions,.casebook-related{display:none}.casebook-reading,.casebook-hero-grid{display:block}.casebook-evidence{position:static}.casebook-reading article>section{break-inside:avoid}.casebook-card{box-shadow:none}}