:root{color-scheme:light;--color-paper: #fbfbf8;--color-surface: #ffffff;--color-ink: #18211f;--color-muted: #5d6864;--color-line: #d8ded8;--color-teal: #0e766e;--color-teal-dark: #07534f;--color-aubergine: #51324b;--color-amber: #c98a2e;--color-blue: #315f7d;--font-serif: Charter, "Iowan Old Style", "Source Serif 4", Georgia, serif;--font-sans: Aptos, "Segoe UI", system-ui, sans-serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;--content-width: 74rem;--article-width: 48rem;--radius: 8px}*{box-sizing:border-box}html{background:var(--color-paper);color:var(--color-ink);font-family:var(--font-sans);line-height:1.5}body{margin:0;min-width:320px}a{color:var(--color-teal-dark);text-decoration-thickness:.08em;text-underline-offset:.18em}a:hover{color:var(--color-aubergine)}img,svg{max-width:100%}.site-shell{min-height:100vh}.topbar{background:var(--color-surface);border-bottom:1px solid var(--color-line)}.topbar__inner{align-items:center;display:flex;gap:1.5rem;justify-content:space-between;margin:0 auto;max-width:var(--content-width);padding:.9rem 1rem}.brand{color:var(--color-ink);display:inline-flex;font-family:var(--font-serif);font-size:1.15rem;font-weight:700;text-decoration:none}.nav{display:flex;flex-wrap:wrap;gap:.85rem;justify-content:flex-end}.nav a{color:var(--color-muted);font-size:.92rem;text-decoration:none}.nav a:hover{color:var(--color-teal-dark)}.notice{background:#edf7f4;border-bottom:1px solid #c4e3dc;color:#16413e;font-size:.92rem;padding:.7rem 1rem;text-align:center}.main{margin:0 auto;max-width:var(--content-width);padding:2rem 1rem 4rem}.hero{max-width:52rem;padding:2.75rem 0 2.25rem}.eyebrow{color:var(--color-teal-dark);font-size:.78rem;font-weight:700;letter-spacing:0;text-transform:uppercase}h1,h2,h3{color:var(--color-ink);font-family:var(--font-serif);letter-spacing:0;line-height:1.08}h1{font-size:clamp(2.35rem,6vw,4.9rem);margin:.35rem 0 1rem}h2{font-size:2rem;margin:2.5rem 0 .85rem}h3{font-size:1.35rem;margin:1.75rem 0 .5rem}p{color:var(--color-muted);margin:0 0 1rem}li{color:var(--color-muted);margin:.35rem 0}.lede{color:#33403c;font-family:var(--font-serif);font-size:1.28rem;line-height:1.5;max-width:44rem}.article{margin:0 auto;max-width:var(--article-width)}.article__meta{border-top:1px solid var(--color-line);color:var(--color-muted);display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin-top:2rem;padding-top:1rem}.key-facts,.disclaimer,.source-list{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius);padding:1rem}.key-facts{border-left:4px solid var(--color-teal)}.disclaimer{border-left:4px solid var(--color-amber);color:var(--color-muted);font-size:.95rem}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}.card{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius);padding:1rem}.data-table{border-collapse:collapse;display:block;font-size:.95rem;max-width:100%;overflow-x:auto;width:100%}.sr-only{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}.data-table th,.data-table td{border-bottom:1px solid var(--color-line);padding:.75rem;text-align:left;vertical-align:top;word-break:normal}.data-table th{color:var(--color-ink)}.related-guides{border-top:1px solid var(--color-line);margin-top:2.5rem;padding-top:.5rem}.related-guides ul{display:grid;gap:.5rem 1rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));list-style:none;margin:0;padding:0}.related-guides li{margin:0}details{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius);margin:0 0 .75rem;padding:.85rem 1rem}summary{color:var(--color-ink);cursor:pointer;font-weight:700}details p{margin-top:.85rem}.footer{border-top:1px solid var(--color-line);color:var(--color-muted);margin:0 auto;max-width:var(--content-width);padding:2rem 1rem}@media(max-width:760px){.hero{grid-template-columns:1fr;padding-top:1.5rem}.topbar__inner{align-items:flex-start;flex-direction:column}.nav{justify-content:flex-start}}