:root{--c-navy-950: #061a2b;--c-navy-900: #0b2a45;--c-navy-800: #0f3555;--c-navy-700: #12395c;--c-blue-700: #14568a;--c-blue-600: #1b6ca8;--c-blue-500: #2e86c8;--c-blue-400: #4fa3d1;--c-blue-300: #7fc0e2;--c-blue-200: #b6dcf0;--c-blue-100: #dcedf8;--c-blue-050: #eaf3fa;--c-steel-900: #1a2430;--c-steel-800: #2b3846;--c-steel-700: #3e4c5c;--c-steel-600: #55636f;--c-steel-500: #6e7b87;--c-steel-400: #93a0ac;--c-steel-300: #bcc6cf;--c-steel-200: #d8dfe5;--c-steel-100: #eaeff3;--c-steel-050: #f4f7f9;--c-white: #ffffff;--c-paper: #f7f9fb;--c-success: #1d7a4c;--c-success-bg: #e6f4ec;--c-error: #b3261e;--c-error-bg: #fbeceb;--color-bg: var(--c-white);--color-bg-alt: var(--c-paper);--color-bg-tint: var(--c-blue-050);--color-bg-dark: var(--c-navy-900);--color-surface: var(--c-white);--color-heading: var(--c-navy-900);--color-text: var(--c-steel-800);--color-text-muted: var(--c-steel-600);--color-text-on-dark: rgba(255, 255, 255, .88);--color-text-muted-on-dark: rgba(255, 255, 255, .62);--color-primary: var(--c-blue-600);--color-primary-hover: var(--c-blue-700);--color-primary-contrast: var(--c-white);--color-accent: var(--c-blue-400);--color-border: var(--c-steel-200);--color-border-strong: var(--c-steel-300);--color-border-on-dark: rgba(255, 255, 255, .16);--color-focus: var(--c-blue-500);--color-field-bg-on-dark: rgba(255, 255, 255, .06);--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", "Roboto Mono", Consolas, monospace;--fs-xs: .75rem;--fs-sm: .8125rem;--fs-base: .9375rem;--fs-md: 1rem;--fs-lg: clamp(1.0625rem, .35vw + .98rem, 1.1875rem);--fs-xl: clamp(1.25rem, .8vw + 1.05rem, 1.5rem);--fs-2xl: clamp(1.5rem, 1.6vw + 1.1rem, 2.125rem);--fs-3xl: clamp(1.875rem, 2.6vw + 1.2rem, 3rem);--fs-4xl: clamp(2.25rem, 3.6vw + 1.3rem, 3.75rem);--lh-tight: 1.15;--lh-snug: 1.3;--lh-base: 1.65;--lh-loose: 1.8;--fw-regular: 400;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--tracking-wide: .08em;--tracking-wider: .14em;--sp-1: .25rem;--sp-2: .5rem;--sp-3: .75rem;--sp-4: 1rem;--sp-5: 1.25rem;--sp-6: 1.5rem;--sp-8: 2rem;--sp-10: 2.5rem;--sp-12: 3rem;--sp-16: 4rem;--sp-20: 5rem;--sp-24: 6rem;--container-max: 1240px;--container-narrow: 780px;--container-pad: clamp(1.125rem, 4vw, 2.5rem);--section-pad-y: clamp(3.5rem, 6.5vw, 6.5rem);--header-h: 76px;--radius-none: 0;--radius-sm: 2px;--radius-md: 3px;--shadow-sm: 0 1px 2px rgba(11, 42, 69, .07);--shadow-md: 0 4px 18px rgba(11, 42, 69, .08);--shadow-lg: 0 16px 48px rgba(11, 42, 69, .13);--ease-out: cubic-bezier(.22, .61, .36, 1);--dur-fast: .14s;--dur-base: .24s;--z-header: 100;--z-drawer: 200;--z-banner: 300}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + var(--sp-4))}body{min-height:100vh;background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--fs-md);line-height:var(--lh-base);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4,h5,h6{color:var(--color-heading);font-weight:var(--fw-semibold);line-height:var(--lh-tight);letter-spacing:-.015em;text-wrap:balance}h1{font-size:var(--fs-3xl)}h2{font-size:var(--fs-2xl)}h3{font-size:var(--fs-xl)}h4{font-size:var(--fs-lg);line-height:var(--lh-snug)}p{text-wrap:pretty}a{color:var(--color-primary);text-decoration-color:color-mix(in srgb,var(--color-primary) 35%,transparent);text-underline-offset:.2em;transition:color var(--dur-fast) var(--ease-out)}a:hover{color:var(--color-primary-hover);text-decoration-color:currentColor}img,svg,picture,video{display:block;max-width:100%;height:auto}ul,ol{padding-left:1.15em}button,input,select,textarea{font:inherit;color:inherit}hr{border:0;border-top:1px solid var(--color-border)}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;border-radius:var(--radius-sm)}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-pad)}.container--narrow{max-width:var(--container-narrow)}.section{padding-block:var(--section-pad-y)}.section--tight{padding-block:clamp(2.5rem,4vw,4rem)}.section--tint{background-color:var(--color-bg-tint)}.section--alt{background-color:var(--color-bg-alt)}.section--dark{background-color:var(--color-bg-dark);color:var(--color-text-on-dark)}.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:var(--c-white)}.section--dark a:not(.btn){color:var(--c-blue-300)}.section--dark a:not(.btn):hover{color:var(--c-blue-200)}.grid{display:grid;gap:var(--sp-6)}.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr))}.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr))}.grid--4{grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr))}.eyebrow{display:flex;align-items:center;gap:var(--sp-3);margin-bottom:var(--sp-4);color:var(--color-primary);font-family:var(--font-mono);font-size:var(--fs-xs);font-weight:var(--fw-semibold);letter-spacing:var(--tracking-wider);text-transform:uppercase}.eyebrow:before{content:"";width:var(--sp-8);height:2px;flex:none;background-color:var(--color-accent)}.section--dark .eyebrow{color:var(--c-blue-300)}.lede{max-width:62ch;color:var(--color-text-muted);font-size:var(--fs-lg);line-height:var(--lh-loose)}.section--dark .lede{color:var(--color-text-muted-on-dark)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);padding:.8125rem var(--sp-6);border:1px solid transparent;border-radius:var(--radius-sm);font-size:var(--fs-base);font-weight:var(--fw-semibold);letter-spacing:.01em;text-align:center;text-decoration:none;cursor:pointer;transition:background-color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.btn:active{transform:translateY(1px)}.btn:disabled,.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed;transform:none}.btn--primary{background-color:var(--color-primary);border-color:var(--color-primary);color:var(--color-primary-contrast)}.btn--primary:hover:not(:disabled){background-color:var(--color-primary-hover);border-color:var(--color-primary-hover);color:var(--color-primary-contrast)}.btn--outline{background-color:transparent;border-color:var(--color-border-strong);color:var(--color-heading)}.btn--outline:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.btn--on-dark{background-color:transparent;border-color:var(--color-border-on-dark);color:var(--c-white)}.btn--on-dark:hover:not(:disabled){background-color:#ffffff1a;border-color:#fff6;color:var(--c-white)}.btn--block{width:100%}.card{display:flex;flex-direction:column;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm)}.card--interactive{transition:border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),transform var(--dur-base) var(--ease-out)}.card--interactive:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-2px)}.accent-bar{border-left:3px solid var(--color-accent);padding-left:var(--sp-5)}.blueprint{position:relative;isolation:isolate}.blueprint:before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(to right,currentColor 1px,transparent 1px),linear-gradient(to bottom,currentColor 1px,transparent 1px);background-size:56px 56px;color:var(--color-accent);opacity:.1;pointer-events:none}.section--dark.blueprint:before{opacity:.14}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:var(--sp-2);left:var(--sp-2);z-index:calc(var(--z-banner) + 10);padding:var(--sp-3) var(--sp-5);background-color:var(--color-primary);color:var(--color-primary-contrast);font-weight:var(--fw-semibold);text-decoration:none;border-radius:var(--radius-sm);transform:translateY(-200%);transition:transform var(--dur-fast) var(--ease-out)}.skip-link:focus-visible{transform:translateY(0);color:var(--color-primary-contrast)}.stack>*+*{margin-top:var(--sp-4)}.text-muted{color:var(--color-text-muted)}.no-scroll{overflow:hidden}.prose{max-width:68ch}.prose h2{margin-top:var(--sp-12);margin-bottom:var(--sp-4);font-size:var(--fs-xl)}.prose h3{margin-top:var(--sp-8);margin-bottom:var(--sp-3);font-size:var(--fs-lg)}.prose p,.prose ul,.prose ol{margin-bottom:var(--sp-4);color:var(--color-text-muted)}.prose li+li{margin-top:var(--sp-2)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}