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75rem){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width: 62rem){.grid-fixed-2{grid-template-columns:repeat(2,minmax(0,1fr))}}hr{border:none;border-top:1px solid var(--border);margin-block:var(--space-7)}@media (prefers-reduced-motion: no-preference){.reveal{animation:reveal var(--dur-2) var(--ease) both}@keyframes reveal{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation-duration:.001ms!important;transition-duration:.001ms!important}}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--surface-0) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;height:4rem}.brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:var(--space-3);text-decoration:none;color:var(--ink-1);font-family:var(--font-display);font-weight:700}.brand-logo[data-astro-cid-3ef6ksr2]{height:1.9rem;width:auto;display:block}.brand-name[data-astro-cid-3ef6ksr2]{font-size:var(--step-1);white-space:nowrap}.nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center}.nav-list[data-astro-cid-3ef6ksr2]{list-style:none;display:flex;align-items:center;gap:var(--space-5);padding:0;margin:0}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--ink-2);text-decoration:none;font-size:var(--step-0)}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover,.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--ink-1)}.nav-cta[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--accent-ink)}.nav-toggle[data-astro-cid-3ef6ksr2]{display:none}@media (max-width: 44rem){.nav-toggle[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius-1);cursor:pointer}.nav-toggle-bar[data-astro-cid-3ef6ksr2],.nav-toggle-bar[data-astro-cid-3ef6ksr2]:before,.nav-toggle-bar[data-astro-cid-3ef6ksr2]:after{content:"";display:block;width:18px;height:2px;background:var(--ink-1);position:relative}.nav-toggle-bar[data-astro-cid-3ef6ksr2]:before{position:absolute;top:-6px}.nav-toggle-bar[data-astro-cid-3ef6ksr2]:after{position:absolute;top:6px}.nav-list[data-astro-cid-3ef6ksr2]{position:absolute;inset:4rem 0 auto;flex-direction:column;align-items:stretch;gap:0;background:var(--surface-1);border-bottom:1px solid var(--border);padding:var(--space-4) var(--space-5);display:none}.nav-list[data-astro-cid-3ef6ksr2].open{display:flex}.nav-list[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]{padding-block:var(--space-2)}.nav-cta[data-astro-cid-3ef6ksr2]{margin-top:var(--space-3)}}.site-footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--border);background:var(--surface-1);padding-block:var(--space-8) var(--space-6)}.site-footer--gap[data-astro-cid-sz7xmlte]{margin-top:var(--rhythm-chapter)}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;gap:var(--space-6);grid-template-columns:1.5fr 1fr 1fr}.footer-brand[data-astro-cid-sz7xmlte] .brand-name[data-astro-cid-sz7xmlte]{font-family:var(--font-display);font-weight:700;font-size:var(--step-2);color:var(--ink-1);display:block;margin-bottom:var(--space-3)}.footer-brand[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{margin-bottom:var(--space-4)}.footer-heading[data-astro-cid-sz7xmlte]{font-size:var(--step-0);color:var(--ink-1);margin-bottom:var(--space-3)}.footer-nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;padding:0;margin:0;display:grid;gap:var(--space-2)}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--ink-2);text-decoration:none}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--ink-1)}.footer-legal[data-astro-cid-sz7xmlte]{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);margin-top:var(--space-7);padding-top:var(--space-5);border-top:1px solid var(--border)}.footer-legal[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;display:flex;gap:var(--space-4);padding:0;margin:0}.footer-legal[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--ink-2);text-decoration:none}.footer-linkbtn[data-astro-cid-sz7xmlte]{background:none;border:none;padding:0;cursor:pointer;color:var(--ink-2);font:inherit;text-decoration:underline;text-underline-offset:2px}.footer-linkbtn[data-astro-cid-sz7xmlte]:hover{color:var(--ink-1)}@media (max-width: 44rem){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}.footer-legal[data-astro-cid-sz7xmlte]{flex-direction:column;align-items:flex-start}}.book[data-astro-cid-7vinsz7s]{border-top:1px solid var(--border);background:radial-gradient(120% 130% at 100% 0%,color-mix(in srgb,var(--blue-core) 12%,transparent),transparent 60%),var(--surface-1);padding-block:var(--space-8);scroll-margin-top:5rem}.book-head[data-astro-cid-7vinsz7s]{max-width:46rem;margin:0 auto var(--space-6);text-align:center}.book-head[data-astro-cid-7vinsz7s] .lead[data-astro-cid-7vinsz7s]{margin-top:var(--space-3)}.book-head[data-astro-cid-7vinsz7s] p[data-astro-cid-7vinsz7s]{margin-inline:auto}.cal-inline[data-astro-cid-7vinsz7s]{width:100%;min-height:24rem;background:transparent;overflow:hidden}.cal-skeleton[data-astro-cid-7vinsz7s]{display:grid;justify-items:center;text-align:center;gap:var(--space-5);padding:var(--space-6);background:var(--surface-3);border:1px solid var(--border);border-radius:var(--radius-3);max-width:34rem;margin-inline:auto}.cal-facts[data-astro-cid-7vinsz7s]{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-3);max-width:none}.cal-facts[data-astro-cid-7vinsz7s] li[data-astro-cid-7vinsz7s]{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-2) var(--space-3);align-items:baseline}.cal-fact-k[data-astro-cid-7vinsz7s]{font-family:var(--font-display);font-size:var(--step--1);font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}.cal-fact-v[data-astro-cid-7vinsz7s]{color:var(--ink-1);font-size:var(--viz-label-size)}.cal-skeleton-note[data-astro-cid-7vinsz7s]{font-size:var(--step--1)}.consent[data-astro-cid-a6pzy67q]{position:fixed;inset:auto 0 0;z-index:60;background:var(--surface-2);border-top:1px solid var(--border-strong);box-shadow:var(--shadow-2);padding-block:var(--space-4)}.consent-inner[data-astro-cid-a6pzy67q]{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-4)}.consent-text[data-astro-cid-a6pzy67q]{color:var(--ink-2);max-width:60ch;margin:0;font-size:var(--step--1)}.consent-actions[data-astro-cid-a6pzy67q]{display:flex;gap:var(--space-3)}