:root{--ink:#17362e;--muted:#5e6f68;--paper:#fbfdfb;--card:#fff;--line:#dbe6df;--accent:#2f7c68;--accent2:#e9f4ef;--warn:#fff8e6;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:17px/1.7 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--paper)}
a{color:#176e5a}a:hover{text-decoration-thickness:2px}img{max-width:100%}
.wrap{max-width:var(--max);margin:auto;padding:0 22px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;color:var(--ink);font-size:1.15rem}
.brand svg{width:34px;height:34px}.navlinks{display:flex;gap:18px;flex-wrap:wrap}.navlinks a{text-decoration:none;color:var(--ink);font-size:.92rem}
.hero{padding:72px 0 42px;background:linear-gradient(180deg,#edf7f2 0,#fbfdfb 100%)}.hero h1,.article h1{font-size:clamp(2.2rem,5vw,4.25rem);line-height:1.03;letter-spacing:-.045em;margin:.2em 0}
.hero p{font-size:1.2rem;max-width:760px;color:var(--muted)}.eyebrow{font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-size:.78rem}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 10px 28px rgba(20,60,49,.05)}
.card h2,.card h3{margin-top:0}.section{padding:48px 0}.button{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:13px 18px;border-radius:12px;font-weight:800}
.button.secondary{background:#fff;color:var(--accent);border:1px solid var(--accent)}.disclosure,.note{border-radius:14px;padding:16px 18px;margin:24px 0}.disclosure{background:var(--accent2);border:1px solid #cfe3d9}.note{background:var(--warn);border:1px solid #eadcae}
.article{max-width:820px;margin:auto;padding:54px 22px}.article h1{font-size:clamp(2.3rem,5vw,3.7rem)}.article h2{margin-top:2.1em;font-size:1.65rem;line-height:1.2}.article h3{margin-top:1.7em}
.lede{font-size:1.22rem;color:var(--muted)}.meta{color:var(--muted);font-size:.9rem}.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:26px}
.toc{background:#f2f7f4;border:1px solid var(--line);padding:18px;border-radius:14px}.cta{background:#17362e;color:#fff;border-radius:18px;padding:24px;margin:30px 0}.cta a{color:#fff}.cta .button{background:#fff;color:#17362e}
.references{font-size:.92rem}.references li{margin:.55em 0}.pill{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--accent2);font-size:.8rem;font-weight:700}
.footer{background:#102a23;color:#dfeae6;margin-top:60px;padding:42px 0}.footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.small{font-size:.88rem;color:#7b8a84}
table{width:100%;border-collapse:collapse;margin:24px 0;background:#fff}th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{background:#f0f6f3}
@media(max-width:820px){.grid,.footer-grid{grid-template-columns:1fr}.navlinks{display:none}.hero{padding-top:48px}.article{padding-top:34px}}