:root{--primary:#B3122B;--accent:#F2A900;--surface:#FFFFFF;--text:#141414;--muted:#5a5a5a;--border:#e2e2e2;--radius:6px;--shadow:0 2px 10px rgba(0,0,0,.08);--sans:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--surface);line-height:1.55;-webkit-text-size-adjust:100%}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.15;letter-spacing:-.01em;font-weight:800}
h1{font-size:clamp(1.9rem,5vw,2.9rem)}
h2{font-size:clamp(1.4rem,3.4vw,1.9rem);margin-top:2em;border-top:3px solid var(--primary);padding-top:.5em}
h3{font-size:1.15rem;color:var(--primary);margin-top:1.6em}
p{margin:0 0 1em}
a{color:var(--primary)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--accent);color:var(--text);padding:.5em .8em;z-index:99}
.masthead{background:var(--text);color:#fff}
.masthead .bar{max-width:70ch;margin:0 auto;padding:.7em 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.flag{font-weight:800;font-size:1.25rem;text-decoration:none;color:#fff;letter-spacing:-.02em}
.flag b{color:var(--accent)}
.toggle{background:none;border:2px solid #fff;color:#fff;border-radius:var(--radius);padding:.35em .6em;font:inherit;cursor:pointer}
.menu ul{list-style:none;margin:0;padding:0;display:none;flex-direction:column}
.menu.open ul{display:flex}
.menu{max-width:70ch;margin:0 auto;padding:0 1rem}
.menu a{display:block;padding:.6em 0;color:#fff;text-decoration:none;border-bottom:1px solid #333}
.menu a[aria-current=page]{color:var(--accent);font-weight:700}
.chapters{background:var(--primary);color:#fff}
.chapters ul{list-style:none;display:flex;gap:.4rem;overflow-x:auto;max-width:70ch;margin:0 auto;padding:.55rem 1rem}
.chapters a{color:#fff;text-decoration:none;font-size:.85rem;white-space:nowrap;font-weight:600;border-bottom:2px solid transparent}
.chapters a[aria-current=page]{border-color:var(--accent)}
.main{max-width:70ch;margin:0 auto;padding:1.2rem 1rem 2rem}
.intro{padding:1.4rem 0 .4rem;border-bottom:1px solid var(--border)}
.intro h1{color:var(--text)}
.intro p{font-size:1.08rem;color:var(--muted)}
.summary{margin:1em 0 0;padding:0;list-style:none;display:grid;gap:.5rem}
.summary li{padding-left:1.4em;position:relative;font-weight:600}
.summary li::before{content:"\25B8";position:absolute;left:0;color:var(--accent)}
.section{padding-top:.6rem}
.table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.92rem}
.table caption{text-align:left;font-weight:700;padding-bottom:.5em;color:var(--muted)}
.table th,.table td{border:1px solid var(--border);padding:.55em .6em;text-align:left;vertical-align:top}
.table thead th{background:var(--text);color:#fff}
.table tbody tr:nth-child(even){background:#faf7f2}
.glossary dt{font-weight:700;color:var(--primary);margin-top:.9em}
.glossary dd{margin:.2em 0 0}
.risks{margin:1em 0;padding:0 0 0 1.2em}
.risks li{margin-bottom:.5em}
.details{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.6em;background:var(--surface)}
.details summary{cursor:pointer;padding:.8em 1em;font-weight:700;list-style:none}
.details summary::-webkit-details-marker{display:none}
.details summary::after{content:"+";float:right;color:var(--primary);font-weight:800}
.details[open] summary::after{content:"\2013"}
.details .answer{margin:0;padding:0 1em 1em;color:var(--muted)}
.crumb{font-size:.8rem;padding:.8rem 1rem 0;max-width:70ch;margin:0 auto;color:var(--muted)}
.breadcrumb__list{list-style:none;display:flex;flex-wrap:wrap;gap:.4em;margin:0;padding:0}
.breadcrumb__item+.breadcrumb__item::before{content:"/";margin-right:.4em;color:var(--border)}
.breadcrumb__link{color:var(--muted)}
.foot{background:var(--text);color:#ddd;margin-top:2rem}
.foot .inner{max-width:70ch;margin:0 auto;padding:1.6rem 1rem 1rem;display:grid;gap:1.4rem}
.foot h2{font-size:1rem;color:#fff;border:0;margin:0 0 .5em}
.foot ul{list-style:none;margin:0;padding:0}
.foot a{color:#ddd;text-decoration:none;display:inline-block;padding:.2em 0}
.foot a:hover{color:var(--accent)}
.note{border-top:1px solid #333;padding-top:.9rem;font-size:.8rem;color:#aaa}
.jump{position:fixed;right:1rem;bottom:1rem;width:44px;height:44px;border-radius:50%;border:0;background:var(--primary);color:#fff;font-size:1.2rem;cursor:pointer;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s}
.jump.show{opacity:1;visibility:visible}
.picture{display:block;width:100%;height:auto;background:#f2f2f2;aspect-ratio:16/9;object-fit:cover}
.picture.done{background:none}
@media(min-width:680px){.toggle{display:none}.menu ul{display:flex;flex-direction:row;gap:1.2rem}.menu a{border:0;padding:.2em 0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}