@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap";.location-bar[data-astro-cid-ipvysiru]{min-height:var(--location-height);border-top:1px solid var(--color-border);background:var(--color-surface)}.location-inner[data-astro-cid-ipvysiru]{width:min(100% - 2rem,1360px);min-height:var(--location-height);justify-content:space-between;align-items:center;gap:1rem;margin-inline:auto;display:flex}nav[data-astro-cid-ipvysiru]{min-width:0;color:var(--color-text-muted);white-space:nowrap;align-items:center;gap:.35rem;font-size:.73rem;display:flex;overflow:hidden}nav[data-astro-cid-ipvysiru] a[data-astro-cid-ipvysiru]{text-overflow:ellipsis;text-decoration:none;overflow:hidden}nav[data-astro-cid-ipvysiru] a[data-astro-cid-ipvysiru]:hover{color:var(--color-primary)}nav[data-astro-cid-ipvysiru] a[data-astro-cid-ipvysiru][aria-current=page]{color:var(--color-primary);font-weight:800}.location-label[data-astro-cid-ipvysiru]{color:var(--color-text-muted);flex:none;font-weight:700}.site-map-link[data-astro-cid-ipvysiru]{color:var(--color-primary);flex:none;align-items:center;gap:.35rem;font-size:.73rem;font-weight:800;text-decoration:none;display:inline-flex}@media (width<=700px){.location-inner[data-astro-cid-ipvysiru]{width:min(100% - 1.25rem,1360px)}.location-label[data-astro-cid-ipvysiru]{display:none}.site-map-link[data-astro-cid-ipvysiru]{font-size:0}.site-map-link[data-astro-cid-ipvysiru] svg{width:18px;height:18px}}.site-header[data-astro-cid-6stfpryv]{z-index:100;min-height:var(--header-height);backdrop-filter:blur(18px);background:#f1f4f6f5;border-bottom:1px solid #d9ddd9d1;position:sticky;top:0}.header-inner[data-astro-cid-6stfpryv]{width:min(100% - 2rem,1360px);height:var(--main-header-height);justify-content:space-between;align-items:center;gap:1.25rem;margin-inline:auto;display:flex}.brand[data-astro-cid-6stfpryv]{flex:none;align-items:center;gap:.7rem;text-decoration:none;display:inline-flex}.brand-mark[data-astro-cid-6stfpryv]{background:var(--color-primary);color:#fff;width:38px;height:38px;font-family:var(--font-display);border-radius:11px;place-items:center;font-weight:800;display:grid}.brand-copy[data-astro-cid-6stfpryv]{line-height:1.1;display:grid}.brand-copy[data-astro-cid-6stfpryv] strong[data-astro-cid-6stfpryv]{font-family:var(--font-display);font-size:.95rem}.brand-copy[data-astro-cid-6stfpryv] small[data-astro-cid-6stfpryv]{color:var(--color-text-muted);margin-top:.18rem;font-size:.72rem}.desktop-nav[data-astro-cid-6stfpryv]{align-items:center;gap:.2rem;height:100%;display:flex}.nav-item[data-astro-cid-6stfpryv]{height:100%;color:var(--color-text-muted);align-items:center;gap:.18rem;padding-inline:.48rem;display:flex;position:relative}.nav-item[data-astro-cid-6stfpryv]:after{content:"";background:0 0;border-radius:99px 99px 0 0;height:3px;position:absolute;bottom:0;left:.45rem;right:.45rem}.nav-item[data-astro-cid-6stfpryv].active:after{background:var(--color-accent)}.nav-primary[data-astro-cid-6stfpryv]{font-size:.82rem;font-weight:750;text-decoration:none}.nav-item[data-astro-cid-6stfpryv]:hover,.nav-item[data-astro-cid-6stfpryv]:focus-within{color:var(--color-primary)}.dropdown[data-astro-cid-6stfpryv]{border:1px solid var(--color-border);border-radius:0 0 var(--radius-md) var(--radius-md);background:var(--color-surface);min-width:290px;box-shadow:var(--shadow-md);padding:.65rem;display:none;position:absolute;top:calc(100% - 5px);left:0}.nav-item[data-astro-cid-6stfpryv]:hover .dropdown[data-astro-cid-6stfpryv],.nav-item[data-astro-cid-6stfpryv]:focus-within .dropdown[data-astro-cid-6stfpryv]{display:grid}.dropdown[data-astro-cid-6stfpryv] a[data-astro-cid-6stfpryv]{color:var(--color-text-muted);font-size:.76rem;line-height:1.35;text-decoration:none}.dropdown[data-astro-cid-6stfpryv]>a[data-astro-cid-6stfpryv]{border-radius:var(--radius-sm);padding:.55rem .65rem;display:grid}.dropdown[data-astro-cid-6stfpryv]>a[data-astro-cid-6stfpryv]:hover,.lesson-columns[data-astro-cid-6stfpryv] section[data-astro-cid-6stfpryv]>a[data-astro-cid-6stfpryv]:hover{background:var(--color-primary-soft);color:var(--color-primary)}.compact-dropdown[data-astro-cid-6stfpryv] a[data-astro-cid-6stfpryv] strong[data-astro-cid-6stfpryv]{color:var(--color-text);font-size:.8rem}.compact-dropdown[data-astro-cid-6stfpryv] a[data-astro-cid-6stfpryv] span[data-astro-cid-6stfpryv]{margin-top:.12rem}.dropdown-heading[data-astro-cid-6stfpryv]{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:1rem;margin-bottom:.4rem;padding:.35rem .55rem .6rem;display:flex}.dropdown-heading[data-astro-cid-6stfpryv] strong[data-astro-cid-6stfpryv]{color:var(--color-primary);font-family:var(--font-display);font-size:.82rem}.dropdown-heading[data-astro-cid-6stfpryv] a[data-astro-cid-6stfpryv]{color:var(--color-accent);font-weight:800}.list-dropdown[data-astro-cid-6stfpryv]>a[data-astro-cid-6stfpryv]{font-weight:700}.references-dropdown[data-astro-cid-6stfpryv]{left:auto;right:0}.lessons-dropdown[data-astro-cid-6stfpryv]{width:min(860px,100vw - 2rem);left:50%;transform:translate(-50%)}.lesson-columns[data-astro-cid-6stfpryv]{grid-template-columns:repeat(3,1fr);gap:.65rem;display:grid}.lesson-columns[data-astro-cid-6stfpryv] section[data-astro-cid-6stfpryv]{border-radius:var(--radius-sm);background:var(--color-background);min-width:0;padding:.45rem}.lesson-columns[data-astro-cid-6stfpryv] section[data-astro-cid-6stfpryv]>a[data-astro-cid-6stfpryv]{border-radius:.4rem;padding:.38rem .45rem;display:block}.lesson-columns[data-astro-cid-6stfpryv] .module-link[data-astro-cid-6stfpryv]{border-bottom:1px solid var(--color-border);color:var(--color-text);margin-bottom:.35rem}.module-link[data-astro-cid-6stfpryv] small[data-astro-cid-6stfpryv]{color:var(--color-accent);text-transform:uppercase;font-weight:800;display:block}.module-link[data-astro-cid-6stfpryv] strong[data-astro-cid-6stfpryv]{margin-top:.12rem;font-size:.78rem;display:block}.persistent-search[data-astro-cid-6stfpryv]{border:1px solid var(--color-border);background:var(--color-surface);border-radius:999px;flex:1;align-items:center;gap:.45rem;min-width:205px;max-width:285px;padding:.45rem .65rem;display:flex}.persistent-search[data-astro-cid-6stfpryv]:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px #123b591a}.persistent-search[data-astro-cid-6stfpryv]>svg{color:var(--color-text-muted);flex:none}.persistent-search[data-astro-cid-6stfpryv] input[data-astro-cid-6stfpryv]{background:0 0;border:0;outline:0;width:100%;min-width:0;padding:0;font-size:.78rem}.persistent-search[data-astro-cid-6stfpryv] kbd[data-astro-cid-6stfpryv]{border:1px solid var(--color-border);color:var(--color-text-muted);border-radius:.28rem;flex:none;padding:.1rem .32rem;font-family:inherit;font-size:.65rem}.mobile-search[data-astro-cid-6stfpryv],.menu-trigger[data-astro-cid-6stfpryv],.mobile-nav[data-astro-cid-6stfpryv]{display:none}.sr-only[data-astro-cid-6stfpryv]{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.icon-button[data-astro-cid-6stfpryv]{border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;min-height:42px;padding:.5rem .7rem}.menu-close-icon[data-astro-cid-6stfpryv],.menu-trigger[data-astro-cid-6stfpryv][aria-expanded=true] .menu-open-icon[data-astro-cid-6stfpryv]{display:none}.menu-trigger[data-astro-cid-6stfpryv][aria-expanded=true] .menu-close-icon[data-astro-cid-6stfpryv]{display:block}@media (width<=1180px){.desktop-nav[data-astro-cid-6stfpryv]{display:none}.menu-trigger[data-astro-cid-6stfpryv]{display:inline-flex}}@media (width<=760px){.header-inner[data-astro-cid-6stfpryv]{width:min(100% - 1.25rem,1360px)}.desktop-search[data-astro-cid-6stfpryv],kbd[data-astro-cid-6stfpryv]{display:none}.mobile-search[data-astro-cid-6stfpryv]{width:calc(100% - 1.25rem);max-width:none;min-height:42px;margin:0 auto .65rem;display:flex}.mobile-nav[data-astro-cid-6stfpryv]:not([hidden]){max-height:calc(100vh - var(--header-height));border-top:1px solid var(--color-border);background:var(--color-background);gap:.35rem;padding:.75rem;display:grid;overflow-y:auto}.mobile-nav[data-astro-cid-6stfpryv] details[data-astro-cid-6stfpryv]{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface)}.mobile-nav[data-astro-cid-6stfpryv] summary[data-astro-cid-6stfpryv]{color:var(--color-primary);cursor:pointer;padding:.75rem;font-weight:800}.mobile-nav[data-astro-cid-6stfpryv] details[data-astro-cid-6stfpryv]>a[data-astro-cid-6stfpryv],.mobile-search-link[data-astro-cid-6stfpryv]{color:var(--color-text-muted);padding:.55rem .8rem .55rem 1rem;font-size:.78rem;font-weight:700;text-decoration:none;display:block}.mobile-nav[data-astro-cid-6stfpryv] details[data-astro-cid-6stfpryv]>a[data-astro-cid-6stfpryv]:hover,.mobile-module[data-astro-cid-6stfpryv] a[data-astro-cid-6stfpryv]:hover{background:var(--color-primary-soft)}.mobile-module[data-astro-cid-6stfpryv]{border-top:1px solid var(--color-border);padding:.55rem .8rem;display:grid}.mobile-module[data-astro-cid-6stfpryv] strong[data-astro-cid-6stfpryv]{color:var(--color-text);margin-bottom:.3rem;font-size:.75rem}.mobile-module[data-astro-cid-6stfpryv] a[data-astro-cid-6stfpryv]{color:var(--color-text-muted);padding:.4rem;font-size:.75rem;text-decoration:none}}.site-footer[data-astro-cid-kl7gxbjz]{border-top:1px solid var(--color-border);background:var(--color-primary-strong);color:#fff;margin-top:6rem;padding:2.5rem 0}.footer-inner[data-astro-cid-kl7gxbjz]{justify-content:space-between;align-items:flex-start;gap:2rem;width:min(100% - 2rem,1240px);margin-inline:auto;display:flex}strong[data-astro-cid-kl7gxbjz]{font-family:var(--font-display)}p[data-astro-cid-kl7gxbjz]{color:#ffffffad;max-width:36rem;margin:.45rem 0 0;font-size:.9rem}nav[data-astro-cid-kl7gxbjz]{gap:1rem;display:flex}nav[data-astro-cid-kl7gxbjz] a[data-astro-cid-kl7gxbjz]{color:#ffffffd1;font-size:.88rem}@media (width<=620px){.footer-inner[data-astro-cid-kl7gxbjz]{width:min(100% - 1.25rem,1240px);display:grid}}:root{--color-primary:#123b59;--color-primary-strong:#082b43;--color-primary-soft:#e4edf2;--color-accent:#df5b2a;--color-accent-soft:#fff0e9;--color-background:#f1f4f6;--color-surface:#fff;--color-surface-muted:#e9eef1;--color-text:#142631;--color-text-muted:#536671;--color-border:#cfd9df;--color-success:#13745a;--color-success-soft:#e2f3ed;--color-warning:#995214;--color-warning-soft:#fff0d8;--color-danger:#a33f36;--color-danger-soft:#fce8e6;--shadow-sm:0 1px 2px #17242e0f, 0 8px 30px #17242e0a;--shadow-md:0 18px 48px #17242e1f;--radius-sm:.55rem;--radius-md:.9rem;--radius-lg:1.1rem;--radius-xl:1.55rem;--font-body:"DM Sans", system-ui, sans-serif;--font-display:"Manrope", system-ui, sans-serif;--content-width:900px;--main-header-height:72px;--location-height:40px;--header-height:calc(var(--main-header-height) + var(--location-height))}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 24px)}body{background:var(--color-background);min-width:320px;color:var(--color-text);font-family:var(--font-body);text-rendering:optimizelegibility;margin:0;font-size:1rem;line-height:1.65}a{color:inherit;text-underline-offset:.2em;text-decoration-thickness:.08em}button,input,select,textarea{color:inherit;font:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline-offset:3px;outline:3px solid #e09a70}img,svg,video,iframe{max-width:100%;display:block}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .65em;line-height:1.15}h1{font-size:clamp(2.25rem,5vw,4.4rem)}h2{font-size:clamp(1.65rem,3vw,2.55rem)}h3{font-size:clamp(1.12rem,1.7vw,1.35rem)}p{margin:0 0 1rem}.container{width:min(100% - 2rem,1240px);margin-inline:auto}.eyebrow{color:var(--color-primary);font-family:var(--font-display);letter-spacing:.13em;text-transform:uppercase;align-items:center;gap:.45rem;margin-bottom:1.1rem;font-size:.76rem;font-weight:800;display:inline-flex}.eyebrow:before{background:var(--color-accent);content:"";width:1.8rem;height:2px}.muted{color:var(--color-text-muted)}.button{background:var(--color-primary);color:#fff;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:.55rem;min-height:46px;padding:.75rem 1.1rem;font-weight:700;line-height:1;text-decoration:none;transition:transform .16s,background .16s,box-shadow .16s;display:inline-flex}.button:hover{background:var(--color-primary-strong);transform:translateY(-1px);box-shadow:0 8px 20px #173f5f2e}.button--secondary{border-color:var(--color-border);color:var(--color-text);background:0 0}.button--secondary:hover{background:var(--color-surface)}.card{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm)}.site-main{min-height:calc(100vh - var(--header-height))}.skip-link{z-index:1000;border-radius:var(--radius-sm);background:var(--color-primary-strong);color:#fff;padding:.65rem .9rem;position:fixed;top:.5rem;left:.5rem;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.prose{font-size:1.02rem}.prose>*+*{margin-top:1.2rem}.prose>h2{margin-top:3.5rem;scroll-margin-top:7rem}.prose>h3{margin-top:2.2rem}.prose>details{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);margin-top:1.25rem;padding:.9rem}.prose>details>summary{color:var(--color-primary);cursor:pointer;font-weight:800}.prose .case-stack{gap:1rem;margin-top:1rem;display:grid}.prose ul,.prose ol{padding-left:1.35rem}.prose li+li{margin-top:.45rem}.prose blockquote{border-left:4px solid var(--color-accent);border-radius:0 var(--radius-md) var(--radius-md) 0;background:var(--color-accent-soft);color:var(--color-primary-strong);font-family:var(--font-display);margin:1.5rem 0;padding:1.1rem 1.25rem;font-size:1.08rem;font-weight:650}.prose table{border-collapse:collapse;width:100%;font-size:.95rem}.prose th,.prose td{border-bottom:1px solid var(--color-border);text-align:left;vertical-align:top;padding:.85rem}.prose th{color:var(--color-primary);font-family:var(--font-display)}.section-kicker{color:var(--color-accent);font-family:var(--font-display);letter-spacing:.11em;text-transform:uppercase;margin-bottom:.55rem;font-size:.75rem;font-weight:800;display:block}.status-pill{background:var(--color-surface-muted);color:var(--color-text-muted);border-radius:999px;align-items:center;gap:.35rem;padding:.3rem .55rem;font-size:.75rem;font-weight:700;display:inline-flex}@media (width<=720px){:root{--main-header-height:64px;--header-height:156px}.container{width:min(100% - 1.25rem,1240px)}.prose{font-size:1rem}.prose>h2{margin-top:3.2rem}.table-scroll{overflow-x:auto}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}