*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}img,picture,video,canvas,svg{max-width:100%}html,body{overflow-x:clip;max-width:100vw}:root{--font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;--font-body: "Inter", ui-sans-serif, system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;--max: 1120px;--max-narrow: 720px;--page-gutter: clamp(1rem, 4vw, 1.5rem);--radius-control: 6px;--radius-card: 10px;--rule-hair: 1px;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease: var(--ease-out, cubic-bezier(.22, .61, .36, 1));--dur: .18s;--bg: oklch(98.5% .004 250);--bg-paper: oklch(96.5% .006 252);--ink: oklch(24% .02 258);--ink-soft: oklch(34% .018 257);--ink-faint: oklch(52% .02 257);--line: oklch(88% .01 256);--line-soft: oklch(88% .01 256);--accent: var(--color-accent);--accent-hover: var(--color-accent-hover);--accent-soft: var(--color-accent-soft);--accent-ring: oklch(58% .2 256 / .28);--on-accent: oklch(99% .01 250);--header-bg: color-mix(in oklch, oklch(98.5% .004 250) 86%, transparent);--sheet-bg: oklch(98.5% .004 250);--sheet-scrim: oklch(24% .02 258 / .32);--btn-secondary-bg: oklch(96.5% .006 252);--btn-secondary-hover: oklch(94% .008 254);--card-bg: oklch(98.5% .004 250)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}html{scroll-behavior:smooth;scroll-padding-top:88px}body{font-family:var(--font-body);color:var(--ink-soft, var(--ink));background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;transition:background var(--dur) var(--ease),color var(--dur) 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var(--page-gutter)}.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);-webkit-backdrop-filter:blur(10px) saturate(140%);backdrop-filter:blur(10px) saturate(140%);border-bottom:var(--rule-hair) solid var(--line);will-change:transform,box-shadow;transition:transform .32s cubic-bezier(.16,1,.3,1),background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow .32s cubic-bezier(.16,1,.3,1)}.site-header .container,.cw-nav__inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem;transition:height .28s cubic-bezier(.16,1,.3,1)}.site-header.is-scrolled{border-bottom-color:color-mix(in oklch,var(--line) 75%,transparent)}.site-header.is-scrolled .container,.site-header.is-scrolled .cw-nav__inner{height:54px}.site-header.is-scrolled .logo{transform:scale(.96);transform-origin:left center;transition:transform .28s cubic-bezier(.16,1,.3,1)}.site-header.is-scrolled .nav{gap:4px 10px;transition:gap .28s cubic-bezier(.16,1,.3,1)}.site-header.is-scrolled .nav a{font-size:.84rem;letter-spacing:-.015em;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),font-size .28s cubic-bezier(.16,1,.3,1),letter-spacing .28s cubic-bezier(.16,1,.3,1)}.site-header.is-scrolling-down{transform:translateY(-4px);box-shadow:0 4px 12px -4px #00000014}.site-header.is-scrolling-up{transform:translateY(0) scale(1);box-shadow:0 10px 30px -8px color-mix(in oklch,var(--ink) 12%,transparent)}html[data-theme=dark] .site-header.is-scrolling-up,html.theme-dark .site-header.is-scrolling-up,body:not(.light-theme) .site-header.is-scrolling-up{box-shadow:0 10px 30px -8px #00000080,0 0 0 1px color-mix(in oklch,var(--accent) 15%,transparent)}.site-header.is-scrolling-up .logo{transform:scale(1)}@media(prefers-reduced-motion:reduce){.site-header,.site-header .container,.site-header .cw-nav__inner,.site-header .logo,.site-header .nav,.site-header .nav a{transition:none!important;transform:none!important}}.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-family:var(--font-display);font-weight:600;font-size:1.05rem;letter-spacing:-.02em;white-space:nowrap;text-decoration:none}.logo:hover{color:var(--ink);text-decoration:none}.logo-mark{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;flex-shrink:0;overflow:hidden;background:transparent}.logo-mark img,.logo-mark svg{width:100%;height:100%;object-fit:contain;display:block}.nav{display:flex;gap:4px 14px;align-items:center;flex-wrap:nowrap}.nav a{color:var(--ink-soft);font-size:.875rem;font-weight:500;white-space:nowrap;text-decoration:none;padding:6px 2px;border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}.nav a:hover{color:var(--ink);border-bottom-color:var(--accent);text-decoration:none}.nav a.is-active{color:var(--ink);border-bottom-color:var(--accent)}.nav-cta{color:var(--color-btn-text, var(--on-accent))!important;background:var(--color-btn-bg, var(--accent));border:var(--rule-hair) solid var(--color-btn-bg, var(--accent));border-radius:var(--radius-control);padding:8px 12px!important;font-weight:600;border-bottom:none!important;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease)}.nav-cta:hover{background:var(--color-btn-hover, var(--accent-hover));border-color:var(--color-btn-hover, var(--accent-hover));color:var(--color-btn-text, var(--on-accent))!important}.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--ink);border-radius:var(--radius-control);min-width:44px;min-height:44px}.nav-toggle svg{display:block}.header-actions{display:none;align-items:center;gap:6px}@media(max-width:960px){.nav{display:none}.header-actions{display:flex}.nav-toggle{display:grid;place-items:center}}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:40px;height:34px;padding:0 10px;border-radius:var(--radius-control);border:var(--rule-hair) solid var(--line);background:var(--btn-secondary-bg);color:var(--ink-soft);cursor:pointer;position:relative;font:500 .75rem/1 var(--font-mono);transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease)}.theme-toggle:hover{background:var(--btn-secondary-hover);border-color:var(--ink-faint);color:var(--ink)}.theme-toggle:active{transform:translateY(1px)}.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.theme-toggle-icons{position:relative;width:18px;height:18px;flex-shrink:0}.theme-toggle-icon{display:grid;place-items:center;position:absolute;inset:0;transition:opacity var(--dur) var(--ease),transform .22s var(--ease)}.theme-toggle-label{display:none;letter-spacing:.04em;text-transform:uppercase}@media(min-width:961px){.nav .theme-toggle-label{display:inline}}.theme-toggle-label--always{display:inline!important}.theme-toggle--sheet{margin-top:16px;width:100%;justify-content:flex-start;min-height:44px;padding:10px 14px}.theme-toggle--mobile{min-width:38px;padding:0}.theme-toggle--mobile .theme-toggle-label{display:none}.theme-toggle--icon-only{min-width:36px;width:36px;height:34px;padding:0}.theme-toggle--icon-only .theme-toggle-label{display:none!important}html[data-theme=dark] .theme-toggle-icon--sun,html.theme-dark .theme-toggle-icon--sun,html:not([data-theme]):not(.theme-light) .theme-toggle-icon--sun{opacity:1;transform:scale(1) rotate(0)}html[data-theme=dark] .theme-toggle-icon--moon,html.theme-dark .theme-toggle-icon--moon,html:not([data-theme]):not(.theme-light) .theme-toggle-icon--moon{opacity:0;transform:scale(.6) rotate(-30deg)}html[data-theme=light] .theme-toggle-icon--sun,html.theme-light .theme-toggle-icon--sun{opacity:0;transform:scale(.6) rotate(30deg)}html[data-theme=light] .theme-toggle-icon--moon,html.theme-light .theme-toggle-icon--moon{opacity:1;transform:scale(1) rotate(0)}html[data-theme=dark] .theme-toggle-label:after,html.theme-dark .theme-toggle-label:after,html:not([data-theme]):not(.theme-light) .theme-toggle-label:after{content:"Light"}html[data-theme=light] .theme-toggle-label:after,html.theme-light .theme-toggle-label:after{content:"Dark"}@media(max-width:960px){.nav .theme-toggle{display:none}}.mobile-sheet{position:fixed;inset:0;z-index:60;background:var(--sheet-scrim);opacity:0;pointer-events:none;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease)}.mobile-sheet[data-open=true]{opacity:1;pointer-events:auto;visibility:visible}.mobile-sheet-panel{position:absolute;top:0;right:0;bottom:0;width:min(360px,86vw);background:var(--sheet-bg, var(--bg));padding:max(20px,env(safe-area-inset-top,20px)) 24px max(32px,env(safe-area-inset-bottom,32px));transform:translate(100%);transition:transform .24s var(--ease);display:flex;flex-direction:column;gap:4px;outline:none;border-left:var(--rule-hair) solid var(--line);box-shadow:-12px 0 40px #0000002e;overflow-y:auto;-webkit-overflow-scrolling:touch}.mobile-sheet:not([data-open=true]) .mobile-sheet-panel{visibility:hidden}.mobile-sheet[data-open=true] .mobile-sheet-panel{visibility:visible;transform:translate(0)}.mobile-sheet-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding-bottom:8px;border-bottom:var(--rule-hair) solid var(--line)}.mobile-sheet-title{font-family:var(--font-mono);font-size:.75rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint)}.mobile-sheet-close{background:none;border:0;padding:8px;cursor:pointer;color:var(--ink);border-radius:var(--radius-control);min-width:44px;min-height:44px;display:grid;place-items:center}.mobile-sheet-close:hover{background:var(--btn-secondary-bg)}.mobile-sheet a{display:block;padding:14px 4px;color:var(--ink);font-size:1.05rem;font-weight:500;border-bottom:var(--rule-hair) solid var(--line);text-decoration:none;min-height:44px;display:flex;align-items:center}.mobile-sheet a:hover{color:var(--accent)}.mobile-sheet a.is-active{color:var(--accent);font-weight:600}body.menu-open{overflow:hidden}.table-scroll-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:var(--space-xl) 0;border:1px solid var(--line);border-radius:var(--radius-control, 6px);scrollbar-width:thin}.table-scroll-wrap table{margin:0!important;border:none!important;min-width:520px}.figure-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.figure-scroll svg{min-width:520px;height:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:var(--radius-control);font:600 .875rem/1 var(--font-body);text-decoration:none;cursor:pointer;border:var(--rule-hair) solid transparent;min-height:44px;white-space:nowrap;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform .12s var(--ease)}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary,.btn-cta{background:var(--color-btn-bg, var(--accent));color:var(--color-btn-text, var(--on-accent));border-color:var(--color-btn-bg, var(--accent));box-shadow:inset 0 1px #ffffff38,0 2px 8px #2563eb47}.btn-primary:hover,.btn-cta:hover{background:var(--color-btn-hover, var(--accent-hover));border-color:var(--color-btn-hover, var(--accent-hover));color:var(--color-btn-text, var(--on-accent));box-shadow:inset 0 1px #ffffff4d,0 4px 14px #2563eb59}.btn-secondary{background:var(--btn-secondary-bg);color:var(--ink);border-color:var(--line)}.btn-secondary:hover{border-color:var(--ink-faint);background:var(--btn-secondary-hover);color:var(--ink)}.btn-sm{padding:10px 14px;min-height:40px;font-size:.8rem}.site-footer{border-top:var(--rule-hair) solid var(--line);background:var(--card-bg);padding:clamp(3rem,5vw,4.5rem) 0 2rem 0;position:relative;overflow:hidden}.site-footer .container{display:flex;flex-direction:column;gap:2.25rem}.footer-top-stmt{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;padding-bottom:2.25rem;border-bottom:var(--rule-hair) solid var(--line);flex-wrap:wrap}.footer-tagline-highlight{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;letter-spacing:-.03em;color:var(--ink);line-height:1.15;margin:0 0 .5rem}.footer-gradient-text{color:var(--ink);font-weight:700}.footer-subtext{font-size:.925rem;color:var(--ink-soft);max-width:54ch;line-height:1.55;margin:0}.footer-status-pill{display:inline-flex;align-items:center;gap:8px;background:#10b98114;border:1px solid rgba(16,185,129,.25);color:#10b981;font-family:var(--font-mono);font-size:.75rem;font-weight:600;padding:6px 14px;border-radius:999px;white-space:nowrap}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:2.5rem 1.5rem}@media(max-width:960px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:540px){.footer-grid{grid-template-columns:1fr;gap:2rem}}.footer-col{display:flex;flex-direction:column;gap:12px}.footer-col--brand{padding-right:1.5rem}.footer-brand-bio{font-size:.875rem;color:var(--ink-soft);line-height:1.6;margin:0}.footer-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.footer-badge{font-family:var(--font-mono);font-size:.7rem;font-weight:500;color:var(--ink-soft);background:var(--color-paper);border:var(--rule-hair) solid var(--line);padding:3px 8px;border-radius:4px}.footer-col-title{font-family:var(--font-display);font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink);margin:0}.footer-nav-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.footer-nav-list li a{color:var(--ink-soft);font-size:.875rem;text-decoration:none;transition:color var(--dur) var(--ease);display:inline-block;min-height:24px}.footer-nav-list li a:hover{color:var(--accent)}.footer-bottom-bar{display:flex;justify-content:space-between;align-items:center;padding-top:1.5rem;border-top:var(--rule-hair) solid var(--line);flex-wrap:wrap;gap:1rem;font-size:.8rem;color:var(--ink-faint)}.footer-bottom-legal{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.footer-sep{opacity:.4}.footer-back-to-top{color:var(--ink-soft);text-decoration:none;font-weight:500;transition:color var(--dur) var(--ease)}.footer-back-to-top:hover{color:var(--accent)}.page-header{padding:clamp(3rem,8vw,5rem) 0 2rem;border-bottom:var(--rule-hair) solid var(--line)}.page-header h1{font-size:clamp(2rem,4vw,2.75rem);margin-bottom:12px}.page-header p{color:var(--ink-soft);font-size:1.1rem;max-width:40rem;margin:0}.page-content{padding:2.5rem 0 5rem}.progress-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xs, 4px)}.progress-pct{font-family:var(--font-mono);font-size:var(--text-xs, .75rem);font-weight:600;color:var(--accent)}.toc-list a{color:var(--ink-soft);text-decoration:none;font-size:var(--text-sm);line-height:1.45;display:block;padding:6px 10px 6px calc(1.4rem + 8px);text-indent:-1.4rem;border-left:3px solid transparent;border-radius:0 var(--radius-control, 6px) var(--radius-control, 6px) 0;transition:all var(--dur) var(--ease-out)}.toc-list a:hover{color:var(--accent);background:var(--color-paper-3, rgba(255, 255, 255, .04))}.toc-list a.is-active{color:var(--accent);background:var(--accent-soft, rgba(59, 130, 246, .12));font-weight:600;border-left-color:var(--accent);box-shadow:inset 1px 0 0 0 var(--accent)}@media(min-width:961px){.mobile-reading-bar{display:none!important}}@media(max-width:960px){html{scroll-padding-top:120px}.mobile-reading-bar{display:block;position:sticky;top:64px;z-index:45;background:var(--header-bg, color-mix(in oklch, var(--bg) 92%, transparent));-webkit-backdrop-filter:blur(12px) saturate(140%);backdrop-filter:blur(12px) saturate(140%);border-bottom:var(--rule-hair, 1px) solid var(--line);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);opacity:0;pointer-events:none;transform:translateY(-8px)}.mobile-reading-bar.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}.mobile-reading-bar-progress-track{width:100%;height:2px;background:var(--line-soft, rgba(255, 255, 255, .08));overflow:hidden}.mobile-reading-bar-progress-fill{height:100%;width:0%;background:var(--accent);transition:width .1s ease-out}.mobile-reading-bar-inner{display:flex;align-items:center;justify-content:space-between;height:44px;padding:0 var(--page-gutter);gap:12px}.mobile-reading-bar-trigger{flex:1;min-width:0;display:flex;align-items:center;justify-content:space-between;gap:8px;background:none;border:none;padding:6px 0;cursor:pointer;color:var(--ink);font-family:inherit;text-align:left}.mobile-reading-bar-title-wrap{display:flex;align-items:center;gap:8px;min-width:0;flex:1}.mobile-reading-bar-icon{flex-shrink:0;color:var(--accent);display:flex;align-items:center}.mobile-reading-bar-title{font-size:.85rem;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.mobile-reading-bar-meta{flex-shrink:0;display:flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.75rem;font-weight:600;color:var(--accent)}.mobile-reading-bar-chevron{font-size:10px;transition:transform var(--dur) var(--ease);display:inline-block}.mobile-reading-bar[data-open=true] .mobile-reading-bar-chevron{transform:rotate(180deg)}.mobile-toc-drawer{display:none;background:var(--bg-paper, var(--card-bg));border-bottom:1px solid var(--line);padding:var(--space-md) var(--page-gutter);max-height:60vh;overflow-y:auto;-webkit-overflow-scrolling:touch;box-shadow:0 12px 28px #00000040}.mobile-reading-bar[data-open=true] .mobile-toc-drawer{display:block}.mobile-toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.mobile-toc-list a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:10px 14px;border-radius:var(--radius-control, 6px);color:var(--ink-soft);text-decoration:none;font-size:.9rem;border-left:3px solid transparent;transition:all var(--dur) var(--ease)}.mobile-toc-list a:hover{color:var(--accent);background:var(--color-paper-3, rgba(255, 255, 255, .04))}.mobile-toc-list a.is-active{color:var(--accent);background:var(--accent-soft, rgba(59, 130, 246, .12));font-weight:600;border-left-color:var(--accent)}}.nojs-nav{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;padding-top:.75rem;padding-bottom:.75rem}.nojs-nav a{min-height:44px;display:inline-flex;align-items:center;text-decoration:underline}.nav-mobile-cta{max-width:80px;text-align:center;line-height:1.2;display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;color:var(--color-btn-text);background:var(--color-btn-bg);border-radius:var(--radius-control);font-size:.8rem;font-weight:600}.nav-mobile-cta:hover{color:var(--color-btn-text);background:var(--color-btn-hover)}