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2px);transition:background var(--motion-hover),color var(--motion-hover)}.lang__opt[data-astro-cid-su6xvggn]:hover{background:var(--surface);color:var(--ink)}.lang__opt[data-astro-cid-su6xvggn].is-active{color:var(--olive);font-weight:500}.nav[data-astro-cid-4lunwx2e]{position:fixed;inset:0 0 auto;z-index:50;transition:background var(--motion-hover),border-color var(--motion-hover),backdrop-filter var(--motion-hover);border-bottom:1px solid transparent;background:transparent}.nav[data-astro-cid-4lunwx2e][data-solid]{background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom-color:var(--hairline)}.nav[data-astro-cid-4lunwx2e][data-nav-hero]{background:transparent;backdrop-filter:none;border-bottom-color:transparent;pointer-events:none}.nav[data-astro-cid-4lunwx2e][data-nav-hero] .nav__brand[data-astro-cid-4lunwx2e]{pointer-events:auto;color:var(--paper);text-shadow:0 1px 24px rgba(0,0,0,.45)}.nav[data-astro-cid-4lunwx2e][data-nav-hero] .nav__inner[data-astro-cid-4lunwx2e]{justify-content:space-between}.nav[data-astro-cid-4lunwx2e][data-nav-hero] .nav__links[data-astro-cid-4lunwx2e]{display:none!important}.nav[data-astro-cid-4lunwx2e][data-nav-hero] .nav__actions[data-astro-cid-4lunwx2e]{display:flex!important;pointer-events:auto}.nav[data-astro-cid-4lunwx2e][data-nav-hero] .nav__actions[data-astro-cid-4lunwx2e]>[data-astro-cid-4lunwx2e]:not(.nav__toggle){display:none!important}.nav[data-astro-cid-4lunwx2e][data-nav-hero] .nav__toggle[data-astro-cid-4lunwx2e] span[data-astro-cid-4lunwx2e]{background:var(--paper);box-shadow:0 1px 12px #00000073}body[data-home-hero] .nav:not([data-nav-visible]){background:transparent;border-bottom-color:transparent;pointer-events:none}body[data-home-hero] .nav:not([data-nav-visible]) .nav__inner{justify-content:space-between}body[data-home-hero] .nav:not([data-nav-visible]) .nav__links{display:none!important}body[data-home-hero] .nav:not([data-nav-visible]) .nav__actions{display:flex!important;pointer-events:auto}body[data-home-hero] .nav:not([data-nav-visible]) .nav__actions>:not(.nav__toggle){display:none!important}body[data-home-hero] .nav:not([data-nav-visible]) .nav__brand{pointer-events:auto;color:var(--paper);text-shadow:0 1px 24px rgba(0,0,0,.45)}body[data-home-hero] .nav:not([data-nav-visible]) .nav__toggle span{background:var(--paper);box-shadow:0 1px 12px #00000073}.nav__inner[data-astro-cid-4lunwx2e]{display:flex;align-items:center;justify-content:space-between;height:72px;gap:var(--s-8)}.nav__brand[data-astro-cid-4lunwx2e]{font-family:var(--font-display);font-size:1.35rem;letter-spacing:.01em;color:var(--ink)}.nav__links[data-astro-cid-4lunwx2e]{display:none!important}.nav__actions[data-astro-cid-4lunwx2e]{display:flex;align-items:center;gap:var(--s-3)}.nav__book[data-astro-cid-4lunwx2e]{display:none}.nav__actions[data-astro-cid-4lunwx2e]>[data-astro-cid-4lunwx2e]:not(.nav__toggle){display:none}.nav__toggle[data-astro-cid-4lunwx2e]{display:inline-flex;flex-direction:column;gap:6px;min-width:44px;min-height:44px;padding:11px;align-items:center;justify-content:center;background:none;border:none;border-radius:var(--radius);cursor:pointer;-webkit-tap-highlight-color:transparent}.nav__toggle[data-astro-cid-4lunwx2e]:focus-visible{outline:2px solid var(--olive);outline-offset:2px}.nav__toggle[data-astro-cid-4lunwx2e] span[data-astro-cid-4lunwx2e]{width:22px;height:2px;background:var(--ink);transition:transform var(--motion-hover),opacity var(--motion-hover),background var(--motion-hover);pointer-events:none}.nav__toggle[data-astro-cid-4lunwx2e][aria-expanded=true] span[data-astro-cid-4lunwx2e]:first-child{transform:translateY(4px) rotate(45deg)}.nav__toggle[data-astro-cid-4lunwx2e][aria-expanded=true] span[data-astro-cid-4lunwx2e]:last-child{transform:translateY(-4px) rotate(-45deg)}@media (prefers-reduced-motion: reduce){.nav__toggle[data-astro-cid-4lunwx2e] span[data-astro-cid-4lunwx2e]{transition:none}}.nav__drawer[data-astro-cid-4lunwx2e][hidden]{display:none!important}.nav__drawer[data-astro-cid-4lunwx2e]:not([hidden]){display:block;pointer-events:auto;max-height:min(calc(100dvh - 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