:root{color-scheme:light;--paper:#f7f6f1;--sheet:#fffefa;--ink:#182326;--muted:#536168;--line:#d9ddd7;--green:#0c685e;--green-dark:#084c45;--focus:#175be6;font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink)}
a{color:var(--green-dark);text-underline-offset:.18em}
a:hover{color:var(--green)}
a:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:.5rem;z-index:2;background:var(--sheet);padding:.5rem .75rem}
.skip:focus{left:.5rem}
.masthead{background:var(--sheet);border-bottom:1px solid var(--line)}
.masthead-inner{max-width:1120px;margin:auto;padding:.8rem 1.4rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:inline-flex;align-items:center;gap:.55rem;color:var(--ink);font-weight:750;text-decoration:none;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:2.25rem;height:2.25rem;background:var(--green);border-radius:.5rem;color:#fff;font:700 1.2rem Georgia,serif}
.masthead nav{display:flex;flex-wrap:wrap;gap:.4rem 1.25rem;font-size:.9rem}
.masthead nav a{display:inline-flex;align-items:center;min-height:44px}
.masthead nav a[aria-current=page]{font-weight:750;text-decoration-thickness:2px}
.page{max-width:1120px;margin:auto;padding:2.8rem 1.4rem 4rem}
.crumbs{font-size:.86rem;color:var(--muted);margin:0 0 1rem}
.crumbs a{color:inherit}
.hero{max-width:850px;border-bottom:1px solid var(--line);padding-bottom:2rem}
.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--green-dark);font-size:.75rem;font-weight:800;margin:0 0 .6rem}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.17;letter-spacing:-.025em}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:600;margin:.15rem 0 .9rem}
h2{font-size:1.8rem;font-weight:600;margin:0 0 .7rem}
h3{font-size:1.23rem;font-weight:600;margin:0 0 .35rem}
p{margin:.25rem 0 1rem}
.lead{font-size:1.17rem;line-height:1.55;max-width:68ch}
.meta{font-size:.82rem;color:var(--muted);margin:1.2rem 0 0}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 16rem;gap:3rem;align-items:start;margin-top:2.4rem}
article{min-width:0;max-width:74ch}
article section+section{margin-top:2.4rem}
article ul,article ol{padding-left:1.35rem}
article li{padding-left:.25rem;margin:.55rem 0}
strong{font-weight:700}
.toc{position:sticky;top:1rem;border-left:2px solid var(--line);padding:.15rem 0 .2rem 1rem}
.toc h2{font:750 .78rem/1.4 system-ui,sans-serif;text-transform:uppercase;letter-spacing:.09em;margin:0 0 .65rem}
.toc ul{list-style:none;padding:0;margin:0}
.toc li{margin:.5rem 0}
.toc a{display:flex;align-items:center;min-height:44px;font-size:.88rem}
.note{border-left:4px solid var(--green);background:#eaf3ef;padding:1rem 1.15rem;margin:1.3rem 0}
.note p:last-child{margin-bottom:0}
.checklist{counter-reset:check;list-style:none;padding:0}
.checklist li{counter-increment:check;display:grid;grid-template-columns:2rem 1fr;gap:.75rem;border-top:1px solid var(--line);padding:.8rem 0;margin:0}
.checklist li:before{content:counter(check,decimal-leading-zero);font:700 .76rem/1.8 system-ui,sans-serif;color:var(--green-dark)}
.tool-links{display:flex;flex-wrap:wrap;gap:.7rem;margin:1rem 0}
.tool-links a{display:inline-flex;align-items:center;min-height:44px;padding:.45rem .8rem;background:var(--sheet);border:1px solid #9bb7ad;border-radius:.45rem;font-weight:650;text-decoration:none}
.tool-links a:hover{background:#eaf3ef}
.source{border-top:1px solid var(--line);margin-top:2.4rem;padding-top:1.15rem;font-size:.88rem}
.source h2{font:750 .85rem/1.4 system-ui,sans-serif;text-transform:uppercase;letter-spacing:.08em}
.source ul{margin:.4rem 0}
.source a{overflow-wrap:anywhere}
.footer{border-top:1px solid var(--line);padding:1.4rem 0 0;margin-top:3rem;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;color:var(--muted);font-size:.85rem}
@media(max-width:760px){.layout{display:block}.toc{position:static;margin:0 0 2rem}.page{padding-top:1.6rem}.masthead-inner{align-items:start;flex-direction:column}.lead{font-size:1.07rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}