:root{--steel-950: #141619;--steel-900: #1c1e20;--steel-800: #26282c;--steel-700: #2e3136;--steel-600: #3a3d42;--timber-600: #a86e38;--timber-500: #c98a4b;--timber-300: #e0ac6f;--limestone-100: #ece5d3;--limestone-200: #ddd3bd;--limestone-300: #cfc5ab;--limestone-surface: #efe9da;--lawn-500: #4a9a3f;--night-950: #0b111c;--night-900: #101827;--bg: var(--steel-950);--bg-panel: var(--steel-800);--text: var(--limestone-100);--text-dim: var(--limestone-300);--hairline: color-mix(in srgb, var(--steel-600) 70%, transparent);--error: #c96a5a;--font-display-stack: var(--font-display), Georgia, serif;--font-label-stack: var(--font-label), Arial, sans-serif;--font-body-stack: var(--font-body), system-ui, sans-serif;--font-mono-stack: var(--font-mono), ui-monospace, monospace;--track-wide: .42em;--track-mid: .18em;--fs-hero: clamp(2.6rem, 7.5vw, 6.5rem);--fs-h2: clamp(2rem, 4.5vw, 3.75rem);--fs-h3: clamp(1.35rem, 2.4vw, 2rem);--fs-body: clamp(1rem, 1.1vw, 1.125rem);--fs-small: .875rem;--fs-label: clamp(.72rem, .9vw, .8rem);--space-section: clamp(6rem, 14vh, 11rem);--space-block: clamp(2.5rem, 6vh, 4.5rem);--container: 1200px;--container-wide: 1440px;--gutter: clamp(1.25rem, 4vw, 3rem);--ease-gate: cubic-bezier(.16, 1, .3, 1);--dur-slow: 1.1s;--dur-mid: .7s;--dur-fast: .35s;--radius: 2px;--radius-card: 6px}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{color-scheme:dark;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--bg);color:var(--text);font-family:var(--font-body-stack);font-size:var(--fs-body);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit;color:inherit}a{color:inherit;text-decoration-color:color-mix(in srgb,var(--timber-500) 65%,transparent);text-underline-offset:.2em;transition:color var(--dur-fast) var(--ease-gate),text-decoration-color var(--dur-fast) var(--ease-gate)}a:hover{color:var(--timber-300)}::selection{background:var(--timber-500);color:var(--steel-950)}:focus-visible{outline:2px solid var(--timber-300);outline-offset:3px}h1,h2,h3,h4{font-weight:420;line-height:1.08;text-wrap:balance}.display{font-family:var(--font-display-stack);font-variation-settings:"SOFT" 40,"WONK" 0;font-weight:380}.label{font-family:var(--font-label-stack);font-weight:250;letter-spacing:var(--track-wide);text-transform:uppercase;font-size:var(--fs-label)}.mono{font-family:var(--font-mono-stack);font-size:var(--fs-small);letter-spacing:.04em}.container{width:min(var(--container),100% - 2 * var(--gutter));margin-inline:auto}.container-wide{width:min(var(--container-wide),100% - 2 * var(--gutter));margin-inline:auto}.section{padding-block:var(--space-section)}.chapter-label{display:flex;align-items:baseline;gap:1rem;margin-bottom:var(--space-block)}.chapter-label .num{font-family:var(--font-mono-stack);font-size:var(--fs-small);color:var(--timber-500)}.chapter-label .word{font-family:var(--font-label-stack);font-weight:250;letter-spacing:var(--track-wide);text-transform:uppercase;font-size:var(--fs-label);color:var(--text-dim)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;padding:.95em 1.9em;border-radius:999px;border:1px solid transparent;font-family:var(--font-label-stack);font-weight:350;letter-spacing:var(--track-mid);text-transform:uppercase;font-size:var(--fs-label);text-decoration:none;cursor:pointer;transition:background var(--dur-fast) var(--ease-gate),border-color var(--dur-fast) var(--ease-gate),color var(--dur-fast) var(--ease-gate),transform var(--dur-fast) var(--ease-gate)}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--timber-500);color:var(--steel-950)}.btn-primary:hover{background:var(--timber-300);color:var(--steel-950)}.btn-ghost{border-color:var(--hairline);color:var(--text);background:transparent}.btn-ghost:hover{border-color:var(--timber-500);color:var(--timber-300)}.rule{border:0;border-top:1px solid var(--hairline)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.surface-light{background:var(--limestone-surface);color:var(--steel-900);--text: var(--steel-900);--text-dim: #55503f;--hairline: color-mix(in srgb, var(--steel-600) 25%, transparent)}.surface-night{background:var(--night-950)}:where([data-astro-image]){height:auto}:where([data-astro-image=full-width]){width:100%}:where([data-astro-image=constrained]){max-width:100%}[data-astro-image-fit=fill]{object-fit:fill}[data-astro-image-fit=contain]{object-fit:contain}[data-astro-image-fit=cover]{object-fit:cover}[data-astro-image-fit=scale-down]{object-fit:scale-down}[data-astro-image-pos=top]{object-position:top}[data-astro-image-pos=bottom]{object-position:bottom}[data-astro-image-pos=left]{object-position:left}[data-astro-image-pos=right]{object-position:right}[data-astro-image-pos=center]{object-position:center}[data-astro-image-pos=top-bottom]{object-position:top bottom}[data-astro-image-pos=top-left]{object-position:top left}[data-astro-image-pos=top-right]{object-position:top right}[data-astro-image-pos=top-center]{object-position:top center}[data-astro-image-pos=bottom-top]{object-position:bottom top}[data-astro-image-pos=bottom-left]{object-position:bottom left}[data-astro-image-pos=bottom-right]{object-position:bottom right}[data-astro-image-pos=bottom-center]{object-position:bottom center}[data-astro-image-pos=left-top]{object-position:left top}[data-astro-image-pos=left-bottom]{object-position:left bottom}[data-astro-image-pos=left-right]{object-position:left right}[data-astro-image-pos=left-center]{object-position:left center}[data-astro-image-pos=right-top]{object-position:right top}[data-astro-image-pos=right-bottom]{object-position:right bottom}[data-astro-image-pos=right-left]{object-position:right left}[data-astro-image-pos=right-center]{object-position:right center}[data-astro-image-pos=center-top]{object-position:center top}[data-astro-image-pos=center-bottom]{object-position:center bottom}[data-astro-image-pos=center-left]{object-position:center left}[data-astro-image-pos=center-right]{object-position:center right}.logo-plate[data-astro-cid-mnkbg5cx]{display:block;width:100%;height:auto;max-width:var(--plate-max, 640px)}.logo-plate[data-astro-cid-mnkbg5cx].inline{--plate-max: 190px}.rim[data-astro-cid-mnkbg5cx]{stroke-opacity:.78}.taiga-intro[data-astro-cid-ozad4ruv]{position:fixed;inset:0;z-index:500;display:grid;place-items:center;background:var(--steel-950);overflow:hidden}.taiga-intro[data-astro-cid-ozad4ruv][hidden]{display:none}.intro-plate[data-astro-cid-ozad4ruv]{width:min(74vw,440px);will-change:transform,opacity}.site-header[data-astro-cid-yvcvnzki]{position:fixed;inset:0 0 auto;z-index:100;background:transparent;transition:background var(--dur-mid) var(--ease-gate)}.site-header[data-astro-cid-yvcvnzki]:before{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,color-mix(in srgb,var(--steel-950) 72%,transparent),transparent);opacity:1;transition:opacity var(--dur-mid) var(--ease-gate);pointer-events:none}.site-header[data-astro-cid-yvcvnzki].is-solid{background:color-mix(in srgb,var(--steel-950) 85%,transparent);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border-bottom:1px solid var(--hairline)}.site-header[data-astro-cid-yvcvnzki].is-solid:before{opacity:0}.header-inner[data-astro-cid-yvcvnzki]{position:relative;z-index:1;min-height:var(--header-h, 60px);display:flex;align-items:center;justify-content:space-between;gap:1.5rem}.brand[data-astro-cid-yvcvnzki]{font-family:var(--font-label-stack);font-weight:250;text-transform:uppercase;font-size:1.05rem;letter-spacing:.34em;color:var(--limestone-100);text-decoration:none;padding-block:.6rem;padding-inline-end:.34em;white-space:nowrap}.brand[data-astro-cid-yvcvnzki]:hover{color:var(--limestone-100)}.primary-nav[data-astro-cid-yvcvnzki]{display:none}.primary-nav[data-astro-cid-yvcvnzki] ul[data-astro-cid-yvcvnzki]{list-style:none;display:flex;align-items:center;gap:clamp(1.25rem,2.4vw,2.5rem);padding:0;margin:0}.nav-link[data-astro-cid-yvcvnzki]{display:inline-flex;align-items:center;min-height:44px;font-family:var(--font-label-stack);font-weight:300;text-transform:uppercase;font-size:var(--fs-label);letter-spacing:var(--track-mid);color:var(--limestone-200);text-decoration:none;transition:color var(--dur-fast) var(--ease-gate)}.nav-link[data-astro-cid-yvcvnzki]:hover{color:var(--timber-300)}.header-actions[data-astro-cid-yvcvnzki]{display:flex;align-items:center;gap:.75rem}.book-cta[data-astro-cid-yvcvnzki]{display:none}.lang-switch[data-astro-cid-yvcvnzki]{display:none;align-items:center;justify-content:center;min-height:44px;padding:.55rem 1.05rem;border:1px solid var(--hairline);border-radius:999px;font-family:var(--font-label-stack);font-weight:350;text-transform:uppercase;font-size:var(--fs-label);letter-spacing:var(--track-mid);color:var(--limestone-200);text-decoration:none;transition:border-color var(--dur-fast) var(--ease-gate),color var(--dur-fast) var(--ease-gate)}.lang-switch[data-astro-cid-yvcvnzki]:hover{border-color:var(--timber-500);color:var(--timber-300)}.menu-toggle[data-astro-cid-yvcvnzki]{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;background:transparent;border:0;color:var(--limestone-100);cursor:pointer}.bars[data-astro-cid-yvcvnzki],.bars[data-astro-cid-yvcvnzki]:before,.bars[data-astro-cid-yvcvnzki]:after{display:block;width:22px;height:1.5px;background:currentColor;border-radius:2px}.bars[data-astro-cid-yvcvnzki]{position:relative}.bars[data-astro-cid-yvcvnzki]:before,.bars[data-astro-cid-yvcvnzki]:after{content:"";position:absolute;left:0}.bars[data-astro-cid-yvcvnzki]:before{top:-6px}.bars[data-astro-cid-yvcvnzki]:after{top:6px}.mobile-menu[data-astro-cid-yvcvnzki]{position:fixed;inset:0;z-index:150;background:var(--steel-950);overflow-y:auto;overscroll-behavior:contain}.mobile-menu[data-astro-cid-yvcvnzki][hidden]{display:none}.mobile-menu-inner[data-astro-cid-yvcvnzki]{min-height:100%;display:flex;flex-direction:column;gap:clamp(2rem,6vh,3.5rem);padding:1rem var(--gutter) calc(2rem + env(safe-area-inset-bottom))}.mobile-menu-top[data-astro-cid-yvcvnzki]{display:flex;align-items:center;justify-content:space-between;min-height:var(--header-h, 60px)}.mobile-menu-top[data-astro-cid-yvcvnzki] .brand[data-astro-cid-yvcvnzki]{padding-block:0}.menu-close[data-astro-cid-yvcvnzki]{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin-right:-.4rem;background:transparent;border:0;color:var(--limestone-100);font-size:2rem;line-height:1;cursor:pointer}.menu-close[data-astro-cid-yvcvnzki]:hover{color:var(--timber-300)}.mobile-nav[data-astro-cid-yvcvnzki] ul[data-astro-cid-yvcvnzki]{list-style:none;display:flex;flex-direction:column;gap:.5rem;padding:0;margin:0}.mobile-link[data-astro-cid-yvcvnzki]{display:block;padding:.5rem 0;color:var(--limestone-100);text-decoration:none;font-size:clamp(2rem,9vw,2.75rem);line-height:1.1;transition:color var(--dur-fast) var(--ease-gate)}.mobile-link[data-astro-cid-yvcvnzki]:hover{color:var(--timber-300)}.mobile-actions[data-astro-cid-yvcvnzki]{margin-top:auto;display:flex;flex-direction:column;gap:1rem;align-items:stretch}.mobile-actions[data-astro-cid-yvcvnzki] .btn-primary[data-astro-cid-yvcvnzki]{width:100%}.mobile-actions[data-astro-cid-yvcvnzki] .lang-switch[data-astro-cid-yvcvnzki]{display:inline-flex;align-self:flex-start}@media(min-width:1024px){.primary-nav[data-astro-cid-yvcvnzki]{display:block}.book-cta[data-astro-cid-yvcvnzki],.lang-switch[data-astro-cid-yvcvnzki]{display:inline-flex}.menu-toggle[data-astro-cid-yvcvnzki],.mobile-menu[data-astro-cid-yvcvnzki]{display:none}}@media(prefers-reduced-motion:reduce){.site-header[data-astro-cid-yvcvnzki],.site-header[data-astro-cid-yvcvnzki]:before{transition:none}}.ridge-divider[data-astro-cid-rdd2vxcs]{display:block;width:100%;height:clamp(40px,8vw,110px)}.ridge-divider[data-astro-cid-rdd2vxcs].flip{transform:scaleY(-1)}.ridge-mark[data-astro-cid-mnopyz7u]{display:inline-block;vertical-align:middle;flex:none}.site-footer[data-astro-cid-kuxm3fdu]{background:var(--steel-950);color:var(--text-dim)}.footer-body[data-astro-cid-kuxm3fdu]{padding-block:clamp(3rem,8vh,5rem) clamp(2rem,5vh,3rem)}.footer-grid[data-astro-cid-kuxm3fdu]{display:grid;grid-template-columns:1fr;gap:var(--space-block) var(--gutter)}.footer-brand[data-astro-cid-kuxm3fdu]{max-width:34ch}.footer-plate[data-astro-cid-kuxm3fdu]{margin-bottom:1.4rem}.footer-opening[data-astro-cid-kuxm3fdu]{color:var(--timber-300);margin-bottom:.6rem}.footer-tagline[data-astro-cid-kuxm3fdu]{color:var(--text-dim);font-size:var(--fs-small);line-height:1.7}.footer-heading[data-astro-cid-kuxm3fdu]{color:var(--limestone-200);margin-bottom:1.1rem}.footer-address[data-astro-cid-kuxm3fdu]{font-style:normal;display:grid;gap:.5rem;font-size:var(--fs-small);line-height:1.6}.footer-links[data-astro-cid-kuxm3fdu]{list-style:none;display:grid;gap:.65rem;padding:0;margin:0;font-size:var(--fs-small)}.footer-address[data-astro-cid-kuxm3fdu] a[data-astro-cid-kuxm3fdu],.footer-links[data-astro-cid-kuxm3fdu] a[data-astro-cid-kuxm3fdu]{display:inline-block;padding-block:.25rem;color:var(--limestone-200);text-decoration:none;transition:color var(--dur-fast) var(--ease-gate)}.footer-address[data-astro-cid-kuxm3fdu] a[data-astro-cid-kuxm3fdu]:hover,.footer-links[data-astro-cid-kuxm3fdu] a[data-astro-cid-kuxm3fdu]:hover{color:var(--timber-300)}.footer-bottom[data-astro-cid-kuxm3fdu]{margin-top:clamp(2.5rem,6vh,4rem);padding-top:1.75rem;border-top:1px solid var(--hairline);display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.5rem}.footer-copy[data-astro-cid-kuxm3fdu]{color:var(--text-dim);margin-right:auto}.footer-coords[data-astro-cid-kuxm3fdu]{display:inline-flex;align-items:center;gap:.5rem;color:var(--text-dim)}.footer-lang[data-astro-cid-kuxm3fdu]{font-family:var(--font-label-stack);font-weight:300;text-transform:uppercase;font-size:var(--fs-label);letter-spacing:var(--track-mid);color:var(--limestone-200);text-decoration:none;transition:color var(--dur-fast) var(--ease-gate)}.footer-lang[data-astro-cid-kuxm3fdu]:hover{color:var(--timber-300)}@media(min-width:640px){.footer-grid[data-astro-cid-kuxm3fdu]{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.footer-grid[data-astro-cid-kuxm3fdu]{grid-template-columns:1.5fr 1fr 1fr 1fr;align-items:start}}:root{--wa-fab-reserve: calc(56px + .9rem) }.wa-fab[data-astro-cid-jqvvqajn]{position:fixed;bottom:clamp(1rem,3vw,1.75rem);right:clamp(1rem,3vw,1.75rem);z-index:60;display:inline-grid;place-items:center;width:56px;height:56px;-webkit-tap-highlight-color:transparent}.wa-fab-btn[data-astro-cid-jqvvqajn]{grid-area:1 / 1;position:relative;z-index:1;display:grid;place-items:center;width:100%;height:100%;border-radius:999px;background:#25d366;box-shadow:0 8px 24px #00000047;transition:transform var(--dur-fast) var(--ease-gate),box-shadow var(--dur-fast) var(--ease-gate)}.wa-fab-ico[data-astro-cid-jqvvqajn]{width:28px;height:28px;display:block}.wa-fab-ring[data-astro-cid-jqvvqajn]{grid-area:1 / 1;z-index:0;width:100%;height:100%;border-radius:999px;background:#25d366;opacity:0;pointer-events:none}.wa-fab[data-astro-cid-jqvvqajn]:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:999px}@media(max-width:560px){:root{--wa-fab-reserve: calc(52px + .8rem) }.wa-fab[data-astro-cid-jqvvqajn]{width:52px;height:52px}}@media(prefers-reduced-motion:no-preference){.wa-fab[data-astro-cid-jqvvqajn]:hover .wa-fab-btn[data-astro-cid-jqvvqajn]{transform:translateY(-2px) scale(1.06);box-shadow:0 12px 30px #00000057}.wa-fab[data-astro-cid-jqvvqajn]:active .wa-fab-btn[data-astro-cid-jqvvqajn]{transform:translateY(0) scale(.97)}.wa-fab-ring[data-astro-cid-jqvvqajn]{animation:wa-fab-pulse 2.6s var(--ease-gate) infinite}}@keyframes wa-fab-pulse{0%{transform:scale(1);opacity:.4}70%{transform:scale(1.5);opacity:0}to{transform:scale(1.5);opacity:0}}:root{--header-h: 60px}@media(min-width:1024px){:root{--header-h: 76px}}html{scroll-padding-top:calc(var(--header-h) + 14px)}main:not(.has-hero){padding-top:var(--header-h)}.skip-link{position:fixed;top:.75rem;left:.75rem;z-index:300;padding:.75rem 1.15rem;background:var(--limestone-100);color:var(--steel-950);border-radius:var(--radius);text-decoration:none;transform:translateY(-180%);transition:transform var(--dur-fast) var(--ease-gate)}.skip-link:focus-visible{transform:translateY(0)}@media(prefers-reduced-motion:reduce){.skip-link{transition:none}}