:root{--brand-paper:#f5f1e8;--brand-paper-deep:#e9e3d8;--brand-paper-light:#fbf8f1;--brand-ink:#17233b;--brand-ink-70:#5d6574;--brand-ink-30:#aab0ba;--brand-ultramarine:#5452e8;--brand-ultramarine-dark:#3f3dc7;--brand-coral:#ff6b5c;--brand-white:#ffffff;--paper:#f5f1e8;--paper-deep:#e9e3d8;--paper-light:#fbf8f1;--ink:#17233b;--ink-70:#5d6574;--ink-30:#aab0ba;--ultramarine:#5452e8;--ultramarine-dark:#3f3dc7;--coral:#ff6b5c;--white:#ffffff;--hairline:rgba(23,35,59,0.16);--surface-canvas:var(--brand-paper);--surface-raised:var(--brand-paper-light);--surface-subtle:var(--brand-paper-deep);--surface-overlay:var(--brand-white);--surface-inverse:var(--brand-ink);--surface-accent-subtle:color-mix(in srgb,var(--brand-ultramarine) 8%,var(--brand-paper-light));--text-primary:var(--brand-ink);--text-secondary:var(--brand-ink-70);--text-muted:var(--brand-ink-30);--text-on-inverse:var(--brand-paper);--text-on-accent:var(--brand-white);--accent:var(--brand-ultramarine);--accent-strong:var(--brand-ultramarine-dark);--signal:var(--brand-coral);--danger-text:#a32b1f;--status-danger:#9f3329;--status-danger-fill:#a53b32;--status-danger-fill-strong:#8f3129;--status-warning:#684b17;--status-success:#256f4d;--surface-danger:#fff4ef;--surface-warning:#fff8e9;--surface-success:#edf7f2;--surface-info:#f3f2ff;--border-subtle:rgba(23,35,59,0.16);--border-strong:rgba(23,35,59,0.34);--border-accent:color-mix(in srgb,var(--brand-ultramarine) 48%,transparent);--focus-ring:var(--brand-ultramarine);--shadow-soft:rgba(23,35,59,0.08);--shadow-medium:rgba(23,35,59,0.16);--shadow-strong:rgba(23,35,59,0.24);--chart-grid:rgba(23,35,59,0.14);--chart-muted:#d9d4ca;--chart-mark-stroke:var(--brand-paper-light);--gutter:clamp(1.25rem,4.5vw,4rem);--measure:68rem;--radius:10px;--font-ui:var(--font-inter),system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--ease-out:cubic-bezier(0.23,1,0.32,1);--ease-in-out:cubic-bezier(0.77,0,0.175,1)}html[data-theme=dark]{--surface-canvas:#111a2c;--surface-raised:#17233b;--surface-subtle:#202c45;--surface-overlay:#1b2841;--surface-inverse:var(--brand-ink);--surface-accent-subtle:color-mix(in srgb,#9d9cff 11%,#17233b);--text-primary:#f5f1e8;--text-secondary:#c5c9d2;--text-muted:#98a1b2;--text-on-inverse:var(--brand-paper);--text-on-accent:#111a2c;--accent:#aaa9ff;--accent-strong:#cecdff;--danger-text:#ff9a8f;--status-danger:#ff9a8f;--status-danger-fill:#c55b50;--status-danger-fill-strong:#d66a5f;--status-warning:#f1cf8a;--status-success:#89d9b8;--surface-danger:color-mix(in srgb,var(--brand-coral) 12%,#17233b);--surface-warning:color-mix(in srgb,#d6a750 13%,#17233b);--surface-success:color-mix(in srgb,#57b28e 13%,#17233b);--surface-info:color-mix(in srgb,#aaa9ff 12%,#17233b);--border-subtle:rgba(245,241,232,0.17);--border-strong:rgba(245,241,232,0.34);--border-accent:rgba(170,169,255,0.58);--focus-ring:#aaa9ff;--shadow-soft:rgba(0,0,0,0.18);--shadow-medium:rgba(0,0,0,0.3);--shadow-strong:rgba(0,0,0,0.46);--chart-grid:rgba(245,241,232,0.16);--chart-muted:#566078;--chart-mark-stroke:#111a2c}@media print{:root,html[data-theme=dark]{color-scheme:light;--surface-canvas:var(--brand-paper);--surface-raised:var(--brand-paper-light);--surface-subtle:var(--brand-paper-deep);--surface-overlay:var(--brand-white);--surface-inverse:var(--brand-ink);--surface-accent-subtle:color-mix(in srgb,var(--brand-ultramarine) 8%,var(--brand-paper-light));--text-primary:var(--brand-ink);--text-secondary:var(--brand-ink-70);--text-muted:var(--brand-ink-30);--text-on-inverse:var(--brand-paper);--text-on-accent:var(--brand-white);--accent:var(--brand-ultramarine);--accent-strong:var(--brand-ultramarine-dark);--danger-text:#a32b1f;--status-danger:#9f3329;--status-danger-fill:#a53b32;--status-danger-fill-strong:#8f3129;--status-warning:#684b17;--status-success:#256f4d;--surface-danger:#fff4ef;--surface-warning:#fff8e9;--surface-success:#edf7f2;--surface-info:#f3f2ff;--border-subtle:rgba(23,35,59,0.16);--border-strong:rgba(23,35,59,0.34);--border-accent:color-mix(in srgb,var(--brand-ultramarine) 48%,transparent);--focus-ring:var(--brand-ultramarine);--shadow-soft:rgba(23,35,59,0.08);--shadow-medium:rgba(23,35,59,0.16);--shadow-strong:rgba(23,35,59,0.24);--chart-grid:rgba(23,35,59,0.14);--chart-muted:#d9d4ca;--chart-mark-stroke:var(--brand-paper-light)}}@media (prefers-color-scheme:dark){html:not([data-theme]){color-scheme:dark;background:#111a2c}}.public-type-surface{--public-type-display-xl:clamp(3.25rem,6vw,4.5rem);--public-type-display-l:clamp(2.75rem,4.8vw,3.5rem);--public-type-h2:clamp(2rem,3.4vw,2.5rem);--public-type-h3:1.5rem;--public-type-body-l:1.25rem;--public-type-body:1rem;--public-type-small:0.875rem;--public-type-label:0.75rem;--public-leading-display-xl:1;--public-leading-display-l:1.0357;--public-leading-h2:1.1;--public-leading-h3:1.25;--public-leading-body-l:1.5;--public-leading-body:1.5625;--public-leading-small:1.5;--public-leading-label:1.333}.public-type-surface .public-eyebrow{display:inline-flex;align-items:center;gap:.7rem;color:var(--accent-strong);font-family:var(--font-mono),ui-monospace,monospace;font-size:var(--public-type-label);font-weight:600;line-height:var(--public-leading-label);letter-spacing:.14em;text-transform:uppercase}.public-type-surface .public-eyebrow:before{width:.55rem;height:.55rem;flex:0 0 auto;border-radius:50%;background:var(--signal);box-shadow:0 0 0 .35rem rgba(255,107,92,.13);content:""}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--surface-canvas);color:var(--text-primary)}html{color-scheme:light}html[data-theme=dark]{color-scheme:dark}body{font-family:var(--font-ui);font-size:1rem;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{margin:0}.display{font-size:clamp(2.4rem,6vw,4.5rem);line-height:1.02;letter-spacing:-.01em}.display,.h2{font-family:var(--font-newsreader),Georgia,serif;font-weight:500}.h2{font-size:clamp(1.6rem,3vw,2.5rem);line-height:1.1}.h3{font-weight:600;font-size:1.25rem;line-height:1.3}.label{font-family:var(--font-ui);font-size:.75rem;font-weight:650;line-height:1.35;text-transform:uppercase;letter-spacing:.12em;color:var(--text-secondary)}.mono{font-family:var(--font-mono),ui-monospace,monospace}.lede{font-size:clamp(1.05rem,1.8vw,1.25rem);line-height:1.55;color:var(--text-secondary);max-width:46rem}.shell{width:min(calc(100% - (2 * var(--gutter))),76rem);margin-inline:auto}#main{scroll-margin-block-start:100vh}body:has([data-chat-app])>.shell>.footer,body:has([data-chat-app])>.site-header,body:has([data-chat-app])>.skip-link,body:has([data-onboarding-screen])>.shell>.footer,body:has([data-onboarding-screen])>.site-header,body:has([data-onboarding-screen])>.skip-link{display:none}.skip-link,.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{z-index:100;top:0;left:0;background:var(--accent);color:var(--text-on-accent);font-weight:600;text-decoration:none}.skip-link:focus-visible{position:fixed;top:.75rem;left:.75rem;width:auto;height:auto;padding:.7rem 1.15rem;margin:0;overflow:visible;clip:auto;border-radius:999px;outline-color:var(--text-primary);box-shadow:0 .65rem 2rem rgba(23,35,59,.28)}.site-header{position:-webkit-sticky;position:sticky;z-index:40;top:0;width:100%;border-bottom:1px solid var(--border-subtle);background:var(--surface-canvas)}.topbar{position:relative;width:min(calc(100% - (2 * var(--gutter))),78rem);min-height:4.75rem;margin-inline:auto;justify-content:space-between;gap:clamp(1.25rem,3vw,3rem)}.brand,.topbar{display:flex;align-items:center}.brand{flex:0 0 auto;text-decoration:none;color:var(--text-primary)}.brand img{width:10.75rem;height:auto}.brand-logo-dark,html[data-theme=dark] .brand-logo-light{display:none}html[data-theme=dark] .brand-logo-dark{display:block}.primary-nav{display:flex;align-items:center;justify-content:flex-end;gap:clamp(.65rem,1.35vw,1.1rem)}.mobile-auth-link,.mobile-signin-link,.nav-cta,.nav-link,.nav-utility{display:inline-flex;align-items:center;justify-content:center;color:var(--text-primary);font-size:.84rem;font-weight:620;line-height:1;text-decoration:none;white-space:nowrap}.nav-link,.nav-utility{min-height:2.5rem;padding:.75rem .15rem;border-bottom:1px solid transparent}.nav-link:hover,.nav-link[aria-current=page]{border-bottom-color:var(--accent);color:var(--text-primary)}.nav-utility{gap:.35rem;color:var(--text-secondary);font-weight:540}.nav-utility:hover{border-bottom-color:var(--accent);color:var(--text-primary)}.auth-nav-slot{display:inline-flex;width:10rem;min-height:3rem;flex:0 0 10rem;align-items:center;justify-content:flex-end}.auth-nav-skeleton{width:100%;height:3rem;border-radius:999px;color:var(--text-secondary)}.site-account-menu{width:100%}.site-account-menu>button{width:100%;min-height:3rem}.nav-divider{width:1px;height:2.1rem;background:var(--border-subtle)}.nav-cta{min-height:2.6rem;gap:.5rem;padding:.8rem 1.05rem;border-radius:9px;background:var(--surface-inverse);color:var(--text-on-inverse);transition:background .15s ease,transform .15s ease}.nav-cta:hover{background:var(--accent);transform:translateY(-1px)}.mobile-nav-actions,.mobile-nav-panel{display:none}.mobile-menu-button{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;min-height:2.6rem;align-items:center;gap:.45rem;padding:.6rem 0;border:0;background:transparent;color:var(--text-primary);font:inherit;font-size:.78rem;font-weight:610;cursor:pointer}.mobile-signin-link{min-height:2.6rem;gap:.35rem;padding:.7rem .85rem;border-radius:8px;background:var(--surface-inverse);color:var(--text-on-inverse)}.footer{margin-top:2rem;padding:1.25rem 0 2rem;border-top:1px solid var(--border-subtle);font-size:.75rem;display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;justify-content:space-between}.footer,.footer a{color:var(--text-secondary)}.footer-nav{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.5rem}.footer-note{margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.15rem;border-radius:var(--radius);border:1px solid transparent;background:var(--accent);color:var(--text-on-accent);font:inherit;font-weight:500;text-decoration:none;cursor:pointer;transition:background .15s ease,border-color .15s ease}.btn:hover:not(:disabled){background:var(--accent-strong)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--text-primary);border-color:var(--border-subtle)}.btn-secondary:hover:not(:disabled){background:var(--surface-subtle);border-color:var(--text-muted)}.btn-danger{background:transparent;color:var(--text-primary);border-color:var(--signal)}.btn-danger:hover:not(:disabled){background:rgba(255,107,92,.09)}:where(a,button,input,textarea,select,summary,[tabindex]):focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.panel{background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:clamp(1.1rem,2.5vw,1.75rem)}.panel+.panel{margin-top:1.25rem}.field{display:block;width:100%;padding:.7rem .85rem;border:1px solid var(--border-subtle);border-radius:var(--radius);background:var(--surface-overlay);color:var(--text-primary);font:inherit}.field:focus-visible{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:1px}.code-block{font-size:.8125rem;line-height:1.6;background:var(--surface-inverse);color:var(--text-on-inverse);border-radius:var(--radius);padding:1rem 1.1rem;overflow-x:auto;white-space:pre}.code-block,.key-reveal{font-family:var(--font-mono),ui-monospace,monospace}.key-reveal{font-size:.9rem;word-break:break-all;background:var(--surface-overlay);border:1px solid var(--signal);border-radius:var(--radius);padding:.85rem 1rem}.notice{border-left:2px solid var(--accent);padding:.15rem 0 .15rem .9rem;color:var(--text-secondary);font-size:.9375rem}.notice-warn{border-left-color:var(--signal)}.error{color:var(--danger-text);font-size:.9375rem}.stack{flex-direction:column;gap:.9rem}.row,.stack{display:flex}.row{flex-wrap:wrap;gap:.75rem;align-items:center}.grid-3{display:grid;grid-gap:1.25rem;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}.section{padding:clamp(3rem,7vw,5.5rem) 0}.hero{padding:clamp(3.5rem,9vw,7rem) 0 clamp(2.5rem,5vw,4rem)}@media (max-width:72rem){.mobile-auth-link,.mobile-signin-link,.nav-cta,.nav-link,.nav-utility{font-size:.75rem}}@media (max-width:52rem){.site-header{position:-webkit-sticky;position:sticky}.topbar{min-height:4.75rem}.primary-nav{display:none}.mobile-nav-actions{display:flex;align-items:center;gap:1rem}.mobile-nav-panel:not([hidden]){position:absolute;top:100%;left:50%;display:block;width:100vw;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);background:var(--surface-canvas);box-shadow:0 1.2rem 2.5rem rgba(23,35,59,.14);transform:translateX(-50%)}.mobile-nav-inner{width:min(calc(100% - (2 * var(--gutter))),78rem);margin-inline:auto;padding:1.25rem 0 1.5rem}.mobile-nav-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--border-subtle);border-left:1px solid var(--border-subtle)}.mobile-nav-links .nav-link{min-height:3.25rem;justify-content:flex-start;padding-inline:.9rem;border-right:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.mobile-nav-links .nav-link[aria-current=page]{background:var(--surface-subtle)}.mobile-auth-link{color:var(--text-secondary)}}@media (max-width:36rem){.topbar{gap:1rem}.brand img{width:8.75rem}.mobile-nav-actions{gap:.7rem}.mobile-menu-button span,.mobile-signin-link{font-size:.72rem}.auth-nav-slot-mobile{width:4.25rem;flex-basis:4.25rem}.auth-nav-slot-mobile .auth-nav-skeleton{width:2.65rem;height:2.65rem}.auth-nav-slot-mobile .site-account-menu,.auth-nav-slot-mobile .site-account-menu>button{width:auto}.auth-nav-slot-mobile .site-account-menu>button{min-height:2.65rem}}dl.meta{display:grid;grid-template-columns:auto 1fr;grid-gap:.4rem 1.25rem;gap:.4rem 1.25rem;margin:0;font-size:.9375rem}dl.meta dt{color:var(--text-secondary)}dl.meta dd{margin:0}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}