html,body{overflow-x:clip}html{scroll-padding-top:116px}.header-sentinel{pointer-events:none;width:1px;height:61px;position:absolute;top:40px;left:0}.masthead{z-index:10;background:var(--sand);border:0;min-height:0;padding:0;display:block;position:sticky;top:0}.masthead-inner{border-bottom:1px solid var(--green);justify-content:space-between;align-items:center;gap:2rem;min-height:100px;display:flex;position:relative}.masthead.is-scrolled{box-shadow:0 4px 16px hsl(var(--forest)/.12)}.masthead.is-scrolled .masthead-inner{border-bottom-color:var(--line);min-height:72px}.masthead nav{align-items:center;gap:.35rem;display:flex;position:relative}.masthead nav a{min-height:44px;position:relative}.masthead nav a:not(.nav-book){isolation:isolate;border-radius:18px 4px;padding-inline:1.2rem .8rem}.masthead nav a:not(.nav-book):before{content:"";z-index:-1;border-radius:inherit;background:hsl(var(--forest)/.05);opacity:0;transform-origin:0;border:1px solid #0000;position:absolute;inset:5px 0;transform:scale(.92)}.masthead nav a:hover{text-decoration:none}.masthead nav a:is(:hover,:focus-visible,[aria-current=location]):before{opacity:1;transform:scale(1)}.masthead nav a[aria-current=location]:before{border-color:hsl(var(--forest)/.28);background-color:#0000}.masthead nav a:focus-visible{outline-offset:2px;outline-width:2px}.nav-pin{background:var(--accent);opacity:0;pointer-events:none;border-radius:5px 1px;width:5px;height:7px;position:absolute;top:0;left:0}.nav-pin.no-slide{transition:none!important}.masthead .nav-book{margin-left:.65rem}.nav-book:is(:hover,:focus-visible){background:var(--green);color:var(--sand)}.menu-toggle{border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:99px;justify-content:center;align-items:center;gap:.65rem;min-width:88px;min-height:44px;padding:.5rem .85rem;font-size:.85rem;display:inline-flex}.menu-icon{gap:4px;width:20px;display:grid}.menu-icon span{background:currentColor;height:2px;display:block}.menu-toggle[aria-expanded=true] .menu-icon span:first-child{transform:translateY(6px)rotate(45deg)}.menu-toggle[aria-expanded=true] .menu-icon span:nth-child(2){opacity:0}.menu-toggle[aria-expanded=true] .menu-icon span:last-child{transform:translateY(-6px)rotate(-45deg)}.masthead [hidden]{display:none!important}.stay-layout figure{top:116px}@media (width<=1100px){.masthead{position:relative}.masthead-inner{flex-wrap:wrap;gap:.5rem;min-height:80px;padding-block:12px}.masthead nav{flex-wrap:wrap;gap:0 1rem;width:100%}.masthead[data-enhanced]{position:sticky}.masthead[data-enhanced] .masthead-inner{flex-wrap:nowrap}.masthead.is-scrolled .masthead-inner{min-height:64px;padding-block:8px}.masthead[data-enhanced] nav{background:var(--sand);border:1px solid var(--line);width:auto;box-shadow:0 12px 20px hsl(var(--forest)/.12);overscroll-behavior:contain;border-radius:0 0 16px 16px;grid-template-columns:1fr;gap:0;max-height:calc(100dvh - 100px);padding:12px;display:grid;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.masthead nav a{min-height:48px;font-size:.9rem}.masthead nav a:not(.nav-book){padding-inline:2rem 1rem}.masthead nav a:not(.nav-book):before{inset:2px 0}.masthead nav a:focus-visible{outline-offset:-3px}.masthead .nav-book{justify-content:center;margin:8px 0 0}.nav-pin{display:none}}@media (prefers-reduced-motion:no-preference){.masthead{transition:box-shadow .18s}.masthead-inner{transition:min-height .18s,padding .18s,border-color .18s}.menu-icon span{transition:transform .16s,opacity .16s}.masthead nav a:not(.nav-book){transition:transform .24s cubic-bezier(.2,.7,.2,1)}.masthead nav a:not(.nav-book):is(:hover,:focus-visible){transform:translateY(-1px)}.masthead nav a:not(.nav-book):active{transform:translateY(0)}.masthead nav a:before{transition:opacity .24s,transform .32s cubic-bezier(.2,.7,.2,1),background-color .24s,border-color .24s}.nav-pin{transition:opacity .18s,transform .32s cubic-bezier(.2,.7,.2,1)}.nav-book{transition:background-color .16s,color .16s}.lang-switch[data-enhanced] summary{transition:background-color .16s}.lang-chevron{transition:transform .18s}.lang-switch[data-enhanced] .lang-options{transition:opacity .18s,transform .18s,visibility 0s .18s}.lang-switch[data-enhanced][data-open] .lang-options{transition:opacity .18s,transform .18s,visibility}@media (width<=1100px){.masthead[data-enhanced] nav:not([hidden]){animation:.22s cubic-bezier(.2,.7,.2,1) nav-reveal}}.button{transition:transform .16s,box-shadow .16s}.button:is(:hover,:focus-visible){transform:translateY(-2px)}.button:active{transform:translateY(0)}@keyframes nav-reveal{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}}.lang-switch{align-items:center;margin-left:.75rem;display:flex;position:relative}.lang-options{flex-direction:column;gap:.25rem;margin:0;padding:0;list-style:none;display:flex}.lang-options a{font:600 .78rem var(--mono);letter-spacing:.06em}.lang-options a.is-current{border:1px solid hsl(var(--forest)/.28)}.lang-switch:not([data-enhanced]) summary{display:none}.lang-switch:not([data-enhanced]) .lang-options{flex-direction:row;position:static}.lang-switch[data-enhanced] summary{border:1px solid var(--line);cursor:pointer;min-height:44px;font:600 .78rem var(--mono);letter-spacing:.06em;background:0 0;border-radius:99px;align-items:center;gap:.45rem;padding-inline:.9rem .7rem;list-style:none;display:inline-flex}.lang-switch[data-enhanced] summary::-webkit-details-marker{display:none}.lang-switch[data-enhanced] summary:is(:hover,:focus-visible){background:hsl(var(--forest)/.05);text-decoration:none}.lang-chevron{font-size:.7em;line-height:1;display:inline-block}.lang-switch[data-enhanced][data-open] .lang-chevron{transform:rotate(180deg)}.lang-switch[data-enhanced] .lang-options{z-index:20;background:var(--sand);border:1px solid var(--line);min-width:9rem;box-shadow:0 12px 20px hsl(var(--forest)/.12);opacity:0;transform-origin:100% 0;visibility:hidden;pointer-events:none;border-radius:16px 4px;padding:.4rem;position:absolute;top:calc(100% + 10px);right:0;transform:translateY(4px)scale(.97)}.lang-switch[data-enhanced][data-open] .lang-options{opacity:1;visibility:visible;pointer-events:auto;transform:none}.lang-switch[data-enhanced] .lang-options a{border-radius:10px;justify-content:space-between;align-items:center;gap:.75rem;padding-inline:.75rem;display:flex}@media (width<=1100px){.lang-switch{margin:8px 0 0;display:block}.lang-switch:not([data-enhanced]) .lang-options a{justify-content:flex-start}.lang-switch[data-enhanced] .lang-options{min-width:0;box-shadow:none;transform-origin:0 0;visibility:visible;opacity:1;pointer-events:auto;background:0 0;border:0;padding:0 0 0 .65rem;transition:none;display:none;position:static;transform:none}.lang-switch[data-enhanced][data-open] .lang-options{display:flex}}