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div[data-astro-cid-adyuwnlu]:last-child{border-bottom:var(--border-hair) solid var(--rule)}.card__meta[data-astro-cid-adyuwnlu] dd[data-astro-cid-adyuwnlu]{color:var(--ink-2);margin:0}.card__meta[data-astro-cid-adyuwnlu] a[data-astro-cid-adyuwnlu]{color:var(--ink-2)}.card__meta[data-astro-cid-adyuwnlu] a[data-astro-cid-adyuwnlu]:hover{color:var(--ink)}.card__hole[data-astro-cid-adyuwnlu]{left:50%;bottom:var(--space-3);background:var(--paper);border:var(--border-hair) solid var(--rule-strong);border-radius:50%;width:.75rem;height:.75rem;margin-left:-.375rem;position:absolute}@media (width<=30rem){.card__meta[data-astro-cid-adyuwnlu] div[data-astro-cid-adyuwnlu]{grid-template-columns:minmax(0,1fr)}}@media (width>=48rem){.problems__cards[data-astro-cid-adyuwnlu]{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=64rem){.problems[data-astro-cid-adyuwnlu]{padding-top:var(--space-24)}.problems__intro[data-astro-cid-adyuwnlu]{grid-template-columns:repeat(var(--grid-columns), minmax(0, 1fr));gap:var(--grid-gap);align-items:end;display:grid}.problems__statement[data-astro-cid-adyuwnlu]{font-size:var(--text-3xl);grid-column:1/span 5}.problems__lead[data-astro-cid-adyuwnlu]{grid-column:7/-1;margin:0}.card[data-astro-cid-adyuwnlu]{padding:var(--space-6) var(--space-8) var(--space-12)}}.glyph[data-astro-cid-g6fun2bt]{width:100%;height:auto;display:block;overflow:visible}.glyph__point[data-astro-cid-g6fun2bt]{fill:var(--paper);stroke:var(--trace);stroke-width:var(--stroke-trace)}.glyph__dot[data-astro-cid-g6fun2bt]{fill:var(--trace);stroke:none}.glyph__faint[data-astro-cid-g6fun2bt]{stroke:var(--rule-strong)}.glyph__fill[data-astro-cid-g6fun2bt]{fill:var(--mark-soft);stroke:none}.glyph__mean[data-astro-cid-g6fun2bt]{fill:none;stroke:var(--mark);stroke-width:var(--stroke-trace)}.system[data-astro-cid-tjtm3lbz]{padding-top:var(--space-16)}.system__statement[data-astro-cid-tjtm3lbz]{font-family:var(--font-display);font-size:var(--text-2xl);font-weight:var(--weight-display);line-height:var(--leading-tight);letter-spacing:var(--tracking-display);margin:0}.system__lead[data-astro-cid-tjtm3lbz]{max-width:var(--measure-narrow);margin:var(--space-4) 0 0;color:var(--ink-2)}.system__more[data-astro-cid-tjtm3lbz]{margin:var(--space-6) 0 0;font-weight:var(--weight-strong)}.shelf[data-astro-cid-tjtm3lbz]{--book-t:3.5rem;--book-d:11.5rem;--book-h:17rem;--book-turn:-72deg;margin-top:var(--space-8)}.shelf__row[data-astro-cid-tjtm3lbz]{gap:var(--space-4);margin:0 calc(-1 * var(--gutter));padding:var(--space-6) var(--gutter) 0;padding-bottom:var(--space-2);overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-inline:var(--gutter);scrollbar-width:thin;scrollbar-color:var(--rule-strong) transparent;list-style:none;display:flex;overflow:auto hidden}.shelf__slot[data-astro-cid-tjtm3lbz]{width:calc(var(--book-t) * .31 + var(--book-d) * .95);height:var(--book-h);perspective:1400px;scroll-snap-align:start;flex:none;position:relative}.shelf[data-astro-cid-tjtm3lbz]:after{content:"";height:var(--space-3);border-top:var(--stroke-trace-bold) solid var(--ink);background:repeating-linear-gradient(-45deg, var(--rule-strong) 0 var(--stroke-hair), transparent var(--stroke-hair) 5px);display:block}.book[data-astro-cid-tjtm3lbz]{width:var(--book-t);height:var(--book-h);color:var(--ink);transform-style:preserve-3d;transform-origin:0;transform:rotateY(var(--book-turn));transition:transform var(--motion-slow) var(--ease);text-decoration:none;display:block;position:absolute;top:0;left:0}.book[data-astro-cid-tjtm3lbz]:focus-visible{outline-offset:4px}.book__spine[data-astro-cid-tjtm3lbz]{padding:var(--space-3) 0;background:var(--paper-deep);border:var(--border-hair) solid var(--rule-strong);backface-visibility:hidden;transition:border-color var(--motion-fast) var(--ease);flex-direction:column;align-items:center;display:flex;position:absolute;inset:0}.book__spine[data-astro-cid-tjtm3lbz]:before,.book__spine[data-astro-cid-tjtm3lbz]:after{content:"";height:var(--frame-gap);border-block:var(--border-hair) solid var(--brass);position:absolute;inset-inline:0}.book__spine[data-astro-cid-tjtm3lbz]:before{top:var(--space-12)}.book__spine[data-astro-cid-tjtm3lbz]:after{bottom:var(--space-8)}.book__vol[data-astro-cid-tjtm3lbz]{font-family:var(--font-display);font-size:var(--text-lg);color:var(--brass-ink);line-height:1}.book__spine-title[data-astro-cid-tjtm3lbz]{margin-top:var(--space-12);font-family:var(--font-display);font-size:var(--text-lg);letter-spacing:.02em;white-space:nowrap;writing-mode:vertical-rl;line-height:1}.book__cover[data-astro-cid-tjtm3lbz]{gap:var(--space-2);width:var(--book-d);height:var(--book-h);padding:var(--space-4);background:var(--surface);border:var(--border-hair) solid var(--rule-strong);outline:var(--border-hair) solid var(--rule);outline-offset:calc(-1 * var(--space-2));transform-origin:0;backface-visibility:hidden;flex-direction:column;display:flex;position:absolute;top:0;left:100%;transform:rotateY(90deg)}.book__index[data-astro-cid-tjtm3lbz]{margin-top:var(--space-1)}.book__title[data-astro-cid-tjtm3lbz]{font-family:var(--font-display);font-size:var(--text-lg);line-height:var(--leading-tight)}.book__plate[data-astro-cid-tjtm3lbz]{padding:var(--space-2);margin-top:auto}.book__question[data-astro-cid-tjtm3lbz]{font-size:var(--text-sm);color:var(--ink-2);font-style:italic;line-height:1.35}@media (hover:hover) and (width>=64rem){.shelf[data-astro-cid-tjtm3lbz]{--book-t:4rem;--book-d:13rem;--book-h:20rem;margin-top:0}.shelf__row[data-astro-cid-tjtm3lbz]{gap:var(--space-2);padding:var(--space-6) 0 0;margin:0;overflow:visible}.shelf__slot[data-astro-cid-tjtm3lbz]{width:var(--book-t)}.shelf__slot[data-astro-cid-tjtm3lbz]:hover,.shelf__slot[data-astro-cid-tjtm3lbz]:focus-within{z-index:1}.book[data-astro-cid-tjtm3lbz]{transform:none}.book[data-astro-cid-tjtm3lbz]:hover,.book[data-astro-cid-tjtm3lbz]:focus-visible{transform:translateZ(3rem) translateY(calc(-1 * var(--space-2))) rotateY(var(--book-turn))}.book[data-astro-cid-tjtm3lbz]:hover .book__spine[data-astro-cid-tjtm3lbz],.book[data-astro-cid-tjtm3lbz]:focus-visible .book__spine[data-astro-cid-tjtm3lbz]{border-color:var(--ink)}}@media (width>=64rem){.system[data-astro-cid-tjtm3lbz]{padding-top:var(--space-24)}.system__layout[data-astro-cid-tjtm3lbz]{grid-template-columns:repeat(var(--grid-columns), minmax(0, 1fr));gap:var(--grid-gap);align-items:end;display:grid}.system__intro[data-astro-cid-tjtm3lbz]{grid-column:1/span 4;align-self:start}.system__statement[data-astro-cid-tjtm3lbz]{font-size:var(--text-3xl)}.shelf[data-astro-cid-tjtm3lbz]{grid-column:5/-1}}.hourglass[data-astro-cid-44sduzrf]{gap:var(--space-4);min-width:0;margin:0;display:grid}.hourglass[data-astro-cid-44sduzrf] [data-astro-cid-44sduzrf][hidden],.hourglass[data-astro-cid-44sduzrf] .is-hidden[data-astro-cid-44sduzrf]{display:none}.hourglass__svg[data-astro-cid-44sduzrf]{width:100%;max-width:22rem;height:auto;margin-inline:auto;display:block;overflow:visible}.hourglass__glass[data-astro-cid-44sduzrf]{fill:none;stroke:var(--ink-2);stroke-width:var(--stroke-trace);stroke-linejoin:round}.hourglass__fill[data-astro-cid-44sduzrf]{fill:var(--sand)}.hourglass__surface[data-astro-cid-44sduzrf]{fill:var(--mark)}.hourglass__stream[data-astro-cid-44sduzrf]{stroke:var(--mark)}.hourglass__pointer[data-astro-cid-44sduzrf]{fill:none;stroke:var(--mark);stroke-width:var(--stroke-hair);stroke-dasharray:var(--dash-guide)}.hourglass__sand[data-astro-cid-44sduzrf]{transition:transform var(--motion-slow) var(--ease)}.hourglass__readout[data-astro-cid-44sduzrf]{gap:var(--space-4);padding-top:var(--space-3);border-top:var(--border-hair) solid var(--rule);grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));margin:0;display:grid}.hourglass__readout[data-astro-cid-44sduzrf] dd[data-astro-cid-44sduzrf]{margin:var(--space-1) 0 0;font-family:var(--font-serif);font-size:var(--text-lg);font-weight:600;line-height:1.1}.hourglass__main[data-astro-cid-44sduzrf] dd[data-astro-cid-44sduzrf]{font-size:var(--text-2xl);color:var(--ink)}.hourglass__main[data-astro-cid-44sduzrf] dt[data-astro-cid-44sduzrf]{color:var(--mark)}.hourglass__controls[data-astro-cid-44sduzrf]{gap:var(--space-4);display:grid}.hourglass__risk[data-astro-cid-44sduzrf]{gap:var(--space-2);border:0;flex-wrap:wrap;margin:0;padding:0;display:flex}.hourglass__risk[data-astro-cid-44sduzrf] legend[data-astro-cid-44sduzrf]{width:100%;margin-bottom:var(--space-2);padding:0}.hourglass__risk[data-astro-cid-44sduzrf] label[data-astro-cid-44sduzrf]{position:relative}.hourglass__risk[data-astro-cid-44sduzrf] input[data-astro-cid-44sduzrf]{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.hourglass__risk[data-astro-cid-44sduzrf] span[data-astro-cid-44sduzrf]{min-width:3.25rem;min-height:2.75rem;padding:0 var(--space-3);font-family:var(--font-mono);font-size:var(--text-sm);color:var(--ink-2);border:var(--border-hair) solid var(--rule-strong);border-radius:var(--radius-1);transition:color var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease);justify-content:center;align-items:center;display:inline-flex}.hourglass__risk[data-astro-cid-44sduzrf] input[data-astro-cid-44sduzrf]:hover+span[data-astro-cid-44sduzrf]{color:var(--ink);border-color:var(--ink-2)}.hourglass__risk[data-astro-cid-44sduzrf] input[data-astro-cid-44sduzrf]:checked+span[data-astro-cid-44sduzrf]{color:var(--mark);border-color:var(--mark);font-weight:600}.hourglass__risk[data-astro-cid-44sduzrf] input[data-astro-cid-44sduzrf]:focus-visible+span[data-astro-cid-44sduzrf]{outline:2px solid var(--ink);outline-offset:2px}.hourglass__actions[data-astro-cid-44sduzrf]{gap:var(--space-3) var(--space-4);flex-wrap:wrap;align-items:center;display:flex}.hourglass__actions[data-astro-cid-44sduzrf] button[data-astro-cid-44sduzrf]{min-height:2.75rem;padding:0 var(--space-4);font:inherit;border-radius:var(--radius-1);cursor:pointer;transition:color var(--motion-fast) var(--ease), background-color var(--motion-fast) var(--ease);font-weight:600}.hourglass__step[data-astro-cid-44sduzrf]{color:var(--paper);background:var(--ink);border:var(--border-hair) solid var(--ink)}.hourglass__step[data-astro-cid-44sduzrf]:hover:not(:disabled){color:var(--ink);background:0 0}.hourglass__step[data-astro-cid-44sduzrf]:disabled{opacity:.5;cursor:not-allowed}.hourglass__actions[data-astro-cid-44sduzrf] .hourglass__reset[data-astro-cid-44sduzrf]{color:var(--ink);text-underline-offset:.18em;background:0 0;border:0;padding-inline:0;text-decoration:underline 1px}.hourglass__reset[data-astro-cid-44sduzrf]:hover{text-decoration-thickness:2px}.hourglass__caption[data-astro-cid-44sduzrf]{font-size:var(--text-xs);color:var(--ink-3);line-height:1.5}.home-section[data-astro-cid-lcdefpme]{padding-top:var(--space-16)}.budget__grid[data-astro-cid-lcdefpme]{gap:var(--space-8) var(--grid-gap);display:grid}.budget__statement[data-astro-cid-lcdefpme]{font-family:var(--font-serif);font-size:var(--text-2xl);font-weight:600;line-height:var(--leading-tight);letter-spacing:var(--tracking-display);text-wrap:balance;margin:0}.budget__lead[data-astro-cid-lcdefpme]{max-width:var(--measure-narrow);margin:var(--space-4) 0 0;color:var(--ink-2)}.budget__instrument[data-astro-cid-lcdefpme]{padding:var(--space-6);background:var(--surface);border:var(--border-hair) solid var(--rule-strong)}.instrument[data-astro-cid-lcdefpme]{gap:var(--space-8) var(--grid-gap);display:grid}.instrument__statement[data-astro-cid-lcdefpme]{font-family:var(--font-serif);font-size:var(--text-2xl);font-weight:600;line-height:var(--leading-tight);letter-spacing:var(--tracking-display);text-wrap:balance;margin:0}.instrument__lead[data-astro-cid-lcdefpme]{max-width:var(--measure-narrow);margin:var(--space-4) 0 0;color:var(--ink-2)}.instrument__formula[data-astro-cid-lcdefpme]{gap:var(--space-1);margin:var(--space-8) 0 0;padding-left:var(--space-4);font-family:var(--font-text);font-size:var(--text-base);border-left:var(--border-hair) solid var(--brass);display:grid}.instrument__formula-label[data-astro-cid-lcdefpme]{font-size:var(--text-sm);letter-spacing:.02em;color:var(--ink-3);font-style:italic;font-variant-caps:small-caps}@media (width>=64rem){.home-section[data-astro-cid-lcdefpme]{padding-top:var(--space-24)}.instrument[data-astro-cid-lcdefpme],.budget__grid[data-astro-cid-lcdefpme]{grid-template-columns:repeat(var(--grid-columns), minmax(0, 1fr));align-items:start}.budget__intro[data-astro-cid-lcdefpme]{grid-column:1/span 5}.budget__statement[data-astro-cid-lcdefpme]{font-size:var(--text-3xl)}.budget__instrument[data-astro-cid-lcdefpme]{grid-column:7/-1}.instrument__intro[data-astro-cid-lcdefpme]{top:calc(var(--header-height) + var(--space-8));grid-column:1/span 4;position:sticky}.instrument__statement[data-astro-cid-lcdefpme]{font-size:var(--text-3xl)}.instrument__tool[data-astro-cid-lcdefpme]{grid-column:6/-1}}