:root{--container-max:1200px;--container-reading:760px;--gutter-mobile:20px;--gutter-tablet:32px;--gutter-desktop:40px;--section-space-sm:72px;--section-space-md:104px;--section-space-lg:144px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-round:999px;--color-ink:#15213a;--color-ink-soft:#34415c;--color-muted:#68748a;--color-line:#dfe5ef;--color-line-strong:#c7d1e1;--color-canvas:#f5f7fb;--color-surface:#fff;--color-surface-alt:#eaf0f7;--color-surface-soft:#f0f3f8;--color-action:#405fc5;--color-action-hover:#304a9e;--color-action-soft:#e4e9fb;--color-success:#2e7d61;--color-warning:#9b651f;--color-danger:#a23b35;--color-on-action:#fff;--color-on-ink:#f8faff;--color-on-ink-muted:#bbc6da;--motion-fast:.18s;--shadow-float:0 28px 80px #15213a24}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--color-ink);background:var(--color-canvas);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.6}button,input,select,textarea{font:inherit}:where(a,button,input,select,summary):focus-visible{outline:3px solid color-mix(in srgb, var(--color-action) 32%, transparent);outline-offset:3px}img,svg{max-width:100%;display:block}::selection{color:var(--color-ink);background:var(--color-action-soft)}.skip-link{z-index:100;color:var(--color-on-action);background:var(--color-action);border-radius:var(--radius-md);transition:transform var(--motion-fast) ease;padding:10px 14px;position:fixed;top:12px;left:12px;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}@media (max-width:767px){:root{--section-space-sm:56px;--section-space-md:72px;--section-space-lg:96px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}