:root{--colour-primary: #2F4556;--colour-accent: #DCFC5C;--colour-bg-design: #F8FAFC;--colour-bg-landing: #000;--colour-surface: #FFFFFF;--text-primary: #2F4556;--text-secondary: #4B5563;--border: #E5E7EB;--text-on-dark-primary: #F8FAFC;--text-on-dark-secondary: rgba(248, 250, 252, .65);--text-on-dark-tertiary: rgba(248, 250, 252, .45);--border-on-dark: rgba(248, 250, 252, .12);--divider-on-dark: rgba(248, 250, 252, .06);--font-sans: "Satoshi", system-ui, sans-serif;--type-h1: 700 72px/80px var(--font-sans);--type-h2: 500 48px/56px var(--font-sans);--type-h3: 500 28px/36px var(--font-sans);--type-body: 500 18px/28px var(--font-sans);--type-small: 400 15px/24px var(--font-sans);--type-caption: 400 14px/22px var(--font-sans);--type-h1-on-dark: 500 72px/80px var(--font-sans);--space-0: 0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-9: 96px;--space-10: 128px;--space-11: 192px;--bp-sm: 640px;--bp-md: 960px;--bp-lg: 1280px;--bp-xl: 1600px;--container-max: 1440px;--gutter: var(--space-5);--gutter-lg: var(--space-7);--page-margin-mobile: var(--space-5);--page-margin-desktop: var(--space-8);--radius-card: 12px;--radius-cta: 12px;--radius-pill: 9999px;--radius-lab: 0;--glass-light-bg: rgba(255, 255, 255, .55);--glass-light-border: rgba(47, 69, 86, .08);--glass-light-blur: blur(20px) saturate(140%);--glass-dark-bg: rgba(248, 250, 252, .06);--glass-dark-border: rgba(248, 250, 252, .12);--glass-dark-blur: blur(24px) saturate(140%);--glass-nav-bg: rgba(17, 24, 39, .4);--glass-nav-border: rgba(248, 250, 252, .1);--glass-nav-blur: blur(40px) saturate(140%);--ease-link: cubic-bezier(.4, 0, .2, 1);--ease-bounce: cubic-bezier(.2, 2, .4, 1);--duration-link: .24s;--nav-h: 36px;--nav-ww-w: calc(var(--nav-h) * 410 / 227.71);--nav-a-w: calc(var(--nav-h) * 209.7 / 227.71);--nav-bar-h: calc(var(--nav-h) * 41.84 / 227.71)}@font-face{font-family:Satoshi;font-style:normal;font-weight:400;src:url(/fonts/Satoshi-Regular.woff2) format("woff2");font-display:swap}@font-face{font-family:Satoshi;font-style:normal;font-weight:500;src:url(/fonts/Satoshi-Medium.woff2) format("woff2");font-display:swap}@font-face{font-family:Satoshi;font-style:normal;font-weight:700;src:url(/fonts/Satoshi-Bold.woff2) format("woff2");font-display:swap}@font-face{font-family:Satoshi;font-style:normal;font-weight:900;src:url(/fonts/Satoshi-Black.woff2) format("woff2");font-display:swap}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font:var(--type-body);color:var(--text-primary);background-color:var(--colour-bg-design);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.progress-nav{position:fixed;top:6px;left:0;right:0;height:var(--nav-h);display:flex;align-items:center;z-index:100;color:var(--colour-primary);pointer-events:none}.progress-nav:before{content:"";position:absolute;inset:-6px 0;background:var(--glass-nav-bg);backdrop-filter:var(--glass-nav-blur);-webkit-backdrop-filter:var(--glass-nav-blur);z-index:-1;pointer-events:none}.progress-nav__left{flex:0 0 60px;display:flex;align-items:center;padding-left:var(--page-margin-mobile);justify-content:flex-start;pointer-events:auto;opacity:0;transition:opacity .5s ease-in}.progress-nav__right{flex:0 0 60px;display:flex;align-items:center;padding-right:var(--page-margin-mobile);justify-content:flex-end;pointer-events:auto;opacity:0;transition:opacity .5s ease-in}@media(min-width:960px){.progress-nav__left{flex:0 0 160px;padding-left:var(--space-6)}.progress-nav__right{flex:0 0 160px;padding-right:calc(var(--space-6) + 20px + var(--space-5))}}:root:not(:has([data-chapter="0"])) .progress-nav__left,:root:not(:has([data-chapter="0"])) .progress-nav__right{opacity:1}.progress-nav__logo-wrap{flex:1;display:flex;justify-content:center;align-items:center;pointer-events:none}.progress-nav__logo-link{display:flex;pointer-events:auto;text-decoration:none;color:inherit}.progress-nav__logo-drop{flex:1;min-width:0;display:flex;align-items:center}.progress-nav__logo{height:var(--nav-h);width:auto;display:block;flex-shrink:0}.progress-nav__link{display:none}@media(min-width:960px){.progress-nav__link{display:block;position:relative;font:var(--type-body);color:inherit;text-decoration:none;white-space:nowrap;line-height:1}.progress-nav__link:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:1.5px;background:var(--colour-accent);transition:width var(--duration-link) var(--ease-link)}.progress-nav__link:hover:after{width:100%}}.progress-nav__hamburger{position:absolute;top:0;right:var(--page-margin-mobile);height:100%;display:flex;flex-direction:column;justify-content:center;gap:4.25px;width:20px;background:none;border:none;padding:0;cursor:pointer;color:inherit;pointer-events:auto}@media(min-width:960px){.progress-nav__hamburger{right:var(--space-6)}}.progress-nav__hamburger span{display:block;width:100%;height:1.5px;background:currentColor;transition:transform .25s var(--ease-link),opacity .25s var(--ease-link);transform-origin:center}.progress-nav__hamburger.is-open span:nth-child(1){transform:translateY(5.75px) rotate(45deg)}.progress-nav__hamburger.is-open span:nth-child(2){opacity:0;transform:scaleX(0)}.progress-nav__hamburger.is-open span:nth-child(3){transform:translateY(-5.75px) rotate(-45deg)}.progress-nav__menu{position:fixed;inset:0;z-index:200;background:var(--glass-nav-bg);backdrop-filter:var(--glass-nav-blur);-webkit-backdrop-filter:var(--glass-nav-blur);border:none;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:var(--space-9) var(--page-margin-mobile);opacity:0;pointer-events:none;transition:opacity .3s var(--ease-link)}@media(min-width:960px){.progress-nav__menu{padding:var(--space-9) var(--page-margin-desktop)}}.progress-nav__menu.is-open{opacity:1;pointer-events:auto}.progress-nav__menu-close{position:absolute;top:6px;right:var(--page-margin-mobile);height:var(--nav-h);display:flex;align-items:center;background:none;border:none;padding:0;cursor:pointer;font:var(--type-small);font-weight:500;color:var(--text-on-dark-primary);pointer-events:auto}@media(min-width:960px){.progress-nav__menu-close{right:var(--page-margin-desktop)}}.progress-nav__menu-nav{display:flex;flex-direction:column;gap:var(--space-5)}.progress-nav__menu-link{font:var(--type-h2);font-weight:400;color:var(--text-on-dark-primary);text-decoration:none;line-height:1;transition:color var(--duration-link) var(--ease-link)}.progress-nav__menu-link:hover{color:var(--colour-accent)}main[data-astro-cid-37fxchfa]{padding-top:var(--nav-h)}footer[data-astro-cid-37fxchfa]{padding:var(--space-9) var(--page-margin-mobile) var(--space-7)}@media(min-width:960px){footer[data-astro-cid-37fxchfa]{padding:var(--space-9) var(--page-margin-desktop) var(--space-7)}}.footer-grid[data-astro-cid-37fxchfa]{max-width:var(--container-max);margin-inline:auto;display:flex;flex-direction:column;gap:var(--space-7)}@media(min-width:960px){.footer-grid[data-astro-cid-37fxchfa]{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-7)}}.footer-col-heading[data-astro-cid-37fxchfa]{font:var(--type-small);font-weight:500;color:var(--text-primary)}.footer-identity-name[data-astro-cid-37fxchfa]{display:block;font:var(--type-body);font-weight:500;color:var(--text-primary)}.footer-identity-sub[data-astro-cid-37fxchfa]{display:block;font:var(--type-small);color:var(--text-secondary);margin-top:var(--space-2)}.footer-col-body[data-astro-cid-37fxchfa]{margin-top:var(--space-3)}.footer-line[data-astro-cid-37fxchfa]{display:block;font:var(--type-small);color:var(--text-secondary);margin-bottom:var(--space-2)}.footer-line[data-astro-cid-37fxchfa]:last-child{margin-bottom:0}.footer-link[data-astro-cid-37fxchfa]{display:block;font:var(--type-small);color:var(--text-primary);text-decoration:underline;text-decoration-color:var(--text-primary);text-decoration-thickness:1px;text-underline-offset:2px;margin-bottom:var(--space-2);transition:text-decoration-color var(--duration-link) var(--ease-link),text-decoration-thickness var(--duration-link) var(--ease-link)}.footer-link[data-astro-cid-37fxchfa]:last-child{margin-bottom:0}.footer-link[data-astro-cid-37fxchfa]:hover{text-decoration-color:var(--colour-accent);text-decoration-thickness:2px}.footer-link[data-astro-cid-37fxchfa]:visited{color:var(--text-primary)}.footer-bottom[data-astro-cid-37fxchfa]{max-width:var(--container-max);margin-inline:auto;border-top:1px solid var(--border);padding-top:var(--space-5);margin-top:var(--space-7);display:flex;flex-direction:column;gap:var(--space-2)}@media(min-width:960px){.footer-bottom[data-astro-cid-37fxchfa]{flex-direction:row;justify-content:space-between;gap:0}}.footer-bottom-text[data-astro-cid-37fxchfa]{font:var(--type-small);color:var(--text-secondary)}