.edu-editorial{--edu-serif:var(--font-serif-home),Georgia,"Times New Roman",serif;--edu-accent:hsl(var(--primary));--edu-accent-soft:color-mix(in oklab,hsl(var(--primary)) 12%,transparent);--edu-accent-wash:color-mix(in oklab,hsl(var(--primary)) 6%,transparent);--edu-accent-line:color-mix(in oklab,hsl(var(--primary)) 32%,transparent)}.edu-editorial .edu-title{font-family:var(--edu-serif);font-optical-sizing:auto;font-weight:460;letter-spacing:-.018em}.edu-editorial .edu-display{font-weight:440;letter-spacing:-.024em;line-height:1.08}.edu-editorial .edu-kicker{font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--edu-accent)}.edu-editorial .edu-rule{height:1px;border:0;background:linear-gradient(to right,var(--edu-accent-line),hsl(var(--border)) 35%,transparent)}.edu-editorial .edu-section-card{position:relative;overflow:hidden}.edu-editorial .edu-section-card:before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(to right,var(--edu-accent),transparent 60%);opacity:.55;pointer-events:none}.edu-editorial .edu-index{font-family:var(--edu-serif);font-weight:500;color:var(--edu-accent);font-variant-numeric:tabular-nums}.edu-editorial :is(h1,h2):not(.edu-sans){font-family:var(--edu-serif);font-optical-sizing:auto;font-weight:500;letter-spacing:-.015em}@keyframes edu-page-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.edu-editorial .edu-page-enter{animation:edu-page-in .35s cubic-bezier(.16,1,.3,1) both}.edu-editorial ::-moz-selection{background:color-mix(in oklab,hsl(var(--primary)) 24%,transparent)}.edu-editorial ::selection{background:color-mix(in oklab,hsl(var(--primary)) 24%,transparent)}.edu-editorial *{scrollbar-width:thin;scrollbar-color:color-mix(in oklab,hsl(var(--foreground)) 18%,transparent) transparent}.edu-editorial ::-webkit-scrollbar{width:8px;height:8px}.edu-editorial ::-webkit-scrollbar-thumb{border-radius:8px;background:color-mix(in oklab,hsl(var(--foreground)) 16%,transparent)}.edu-editorial ::-webkit-scrollbar-thumb:hover{background:color-mix(in oklab,hsl(var(--foreground)) 28%,transparent)}.edu-editorial ::-webkit-scrollbar-track{background:transparent}.edu-editorial :focus-visible{outline:2px solid color-mix(in oklab,hsl(var(--primary)) 55%,transparent);outline-offset:2px}.edu-editorial :is(input,textarea,select,[contenteditable=true]):focus-visible{outline:none}.edu-editorial .lesson-content{max-width:72ch;margin-inline:auto;line-height:1.75}.edu-editorial .lesson-content :is(h1,h2,h3){font-family:var(--edu-serif);font-optical-sizing:auto;font-weight:500;letter-spacing:-.015em;line-height:1.2}.edu-editorial .lesson-content>p:first-of-type{font-size:1.075em;color:hsl(var(--foreground))}.edu-editorial .post-content{line-height:1.7}@media (prefers-reduced-motion:reduce){.edu-editorial .edu-page-enter{animation:none}}.edu-editorial [data-sidebar=menu-button][aria-current=page]{position:relative}.edu-editorial [data-sidebar=menu-button][aria-current=page]:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;background:hsl(var(--primary))}.edu-editorial .post-content :is(h1,h2,h3){font-family:var(--edu-serif);font-optical-sizing:auto;font-weight:500;letter-spacing:-.015em;line-height:1.25}