@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:300 900;src:url(/fonts/figtree-latin-ext-wght-normal.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Gabarito;font-style:normal;font-display:swap;font-weight:400 900;src:url(/fonts/gabarito-latin-ext-wght-normal.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{--paper:#f8f5ff;--surface:#fff;--sunk:#f0ebff;--ink:#2b1d52;--ink-2:#4b3d73;--muted:#76699a;--line:#e6e0f7;--line-strong:#cfc5ec;--violet:#7c5cff;--violet-deep:#5b3fe0;--violet-soft:#ebe5ff;--sky:#3da9fc;--sky-deep:#1c84d6;--sky-soft:#ddf0ff;--mint:#14b8a6;--mint-deep:#0b8f81;--mint-soft:#d4f7f1;--tangerine:#ff8a3d;--tangerine-deep:#e06a1c;--tangerine-soft:#ffe7d6;--teal:#14b8a6;--teal-soft:#cdf5ee;--rose:#ff5c8a;--rose-soft:#ffdbe6;--amber:#ffc23d;--amber-soft:#fff1c9;--good:#16a34a;--good-soft:#dcfce7;--bad:#e5484d;--bad-soft:#ffe4e5;--font-display:var(--font-gabarito,"Gabarito"), ui-sans-serif, system-ui, sans-serif;--font-body:var(--font-figtree,"Figtree"), ui-sans-serif, system-ui, sans-serif;--r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;--step--1:.9rem;--step-0:1.0625rem;--step-1:1.25rem;--step-2:1.65rem;--step-3:2.3rem;--step-4:clamp(2.7rem, 6.4vw, 5rem);--gutter:clamp(16px, 4vw, 40px);--maxw:1240px;--mod:var(--violet);--mod-deep:var(--violet-deep);--mod-soft:var(--violet-soft);--spring:cubic-bezier(.34, 1.56, .64, 1);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.mod-violet{--mod:var(--violet);--mod-deep:var(--violet-deep);--mod-soft:var(--violet-soft)}.mod-sky{--mod:var(--sky);--mod-deep:var(--sky-deep);--mod-soft:var(--sky-soft)}.mod-mint{--mod:var(--mint);--mod-deep:var(--mint-deep);--mod-soft:var(--mint-soft)}.mod-tangerine{--mod:var(--tangerine);--mod-deep:var(--tangerine-deep);--mod-soft:var(--tangerine-soft)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:var(--step-0);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;margin:0;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;text-wrap:balance;margin:0;font-weight:700;line-height:1.1}p{text-wrap:pretty;margin:0 0 1em}a{color:inherit}button{font:inherit;color:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-corner{background:0 0}::-webkit-scrollbar-thumb{background-color:var(--line-strong);background-clip:padding-box;border:3px solid #0000;border-radius:999px}::-webkit-scrollbar-thumb:hover{background-color:var(--muted)}::-webkit-scrollbar-button{width:0;height:0;display:none}@supports not selector(::-webkit-scrollbar){*{scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}}::selection{background:var(--amber-soft)}:focus-visible{outline:3px solid var(--violet);outline-offset:3px;border-radius:8px}code,.math{font-family:var(--font-body);background:var(--violet-soft);color:var(--violet-deep);border-radius:6px;padding:.05em .4em;font-size:.95em;font-weight:600}.wrap{max-width:var(--maxw);padding:0 var(--gutter);margin:0 auto}.site-header{z-index:20;padding:12px 0;position:sticky;top:0}.site-header .bar{background:color-mix(in srgb, var(--surface) 88%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:2px solid var(--line);border-radius:22px;align-items:center;gap:16px;height:64px;padding:0 12px 0 16px;display:flex;box-shadow:0 10px 30px -18px #2b1d5259}.brand{font-family:var(--font-display);letter-spacing:-.01em;color:var(--ink);align-items:center;gap:8px;font-size:1.5rem;font-weight:700;text-decoration:none;display:flex}.brand .mascot{transition:transform .3s var(--spring)}.brand:hover .mascot{transform:rotate(-10deg)scale(1.08)}.nav{align-items:center;gap:4px;margin-left:auto;display:flex}.nav a.navlink{color:var(--ink-2);border-radius:12px;padding:8px 14px;font-weight:600;text-decoration:none}.nav a.navlink:hover{background:var(--sunk)}.nav a.navlink.active{color:var(--violet-deep);background:var(--violet-soft)}.stat-pill{font-weight:700;font-size:var(--step--1);white-space:nowrap;border-radius:12px;align-items:center;gap:6px;padding:6px 12px;text-decoration:none;display:inline-flex}.stat-pill svg{flex:none}.stat-pill.xp{background:var(--amber-soft);color:#8a5a00}.stat-pill.streak{background:var(--tangerine-soft);color:#a3410b}.stat-pill.lessons{background:var(--mint-soft);color:#0b6b60}.stat-pill.bump{animation:bump .6s var(--spring)}@media (max-width:720px){.stat-pill.lessons,.nav a.navlink.hide-sm{display:none}.site-header .bar{gap:8px;padding:0 8px 0 10px}.nav a.navlink{padding:8px 10px}.brand{font-size:1.25rem}}@media (max-width:420px){.stat-pill.streak{display:none}}.btn{--btn-bg:var(--violet);--btn-deep:var(--violet-deep);--btn-fg:#fff;background:var(--btn-bg);color:var(--btn-fg);font-family:var(--font-display);letter-spacing:.01em;cursor:pointer;box-shadow:0 5px 0 var(--btn-deep);border:0;border-radius:16px;justify-content:center;align-items:center;gap:8px;padding:13px 24px;font-size:1.05rem;font-weight:600;line-height:1.2;text-decoration:none;transition:transform .12s,box-shadow .12s,filter .15s;display:inline-flex;position:relative;transform:translateY(0)}.btn:hover{filter:brightness(1.06);box-shadow:0 6px 0 var(--btn-deep);transform:translateY(-1px)}.btn:active{box-shadow:0 0 0 var(--btn-deep);transform:translateY(5px)}.btn:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.4);transform:none}.btn.ghost{--btn-bg:var(--surface);--btn-deep:var(--line-strong);--btn-fg:var(--ink);border:2px solid var(--line-strong)}.btn.ghost:hover{background:var(--sunk)}.btn.mod{--btn-bg:var(--mod);--btn-deep:var(--mod-deep)}.btn.success{--btn-bg:var(--good);--btn-deep:#0f7a37}.btn.small{box-shadow:0 3px 0 var(--btn-deep);border-radius:12px;padding:7px 14px;font-size:.92rem}.btn.small:hover{box-shadow:0 4px 0 var(--btn-deep)}.btn.small:active{box-shadow:0 0 0 var(--btn-deep);transform:translateY(3px)}.btn.ghost.small{border-width:2px}.control-row{flex-wrap:wrap;align-items:center;gap:12px 20px;display:flex}.slider{min-width:180px;font-size:var(--step--1);flex:200px;grid-template-columns:auto 1fr auto;align-items:center;gap:4px 12px;display:grid}.slider label{color:var(--ink-2);font-weight:700}.slider output{text-align:center;background:var(--violet-soft);min-width:3.5ch;color:var(--violet-deep);border-radius:8px;padding:2px 8px;font-weight:800}input[type=range]{appearance:none;cursor:pointer;background:0 0;width:100%;height:26px}input[type=range]::-webkit-slider-runnable-track{background:var(--sunk);border-radius:999px;height:10px;box-shadow:inset 0 2px #2b1d520f}input[type=range]::-moz-range-track{background:var(--sunk);border-radius:999px;height:10px}input[type=range]::-moz-range-progress{background:var(--violet);border-radius:999px;height:10px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;border:4px solid var(--violet);width:24px;height:24px;box-shadow:0 3px 0 var(--violet-deep);transition:transform .15s var(--spring);background:#fff;border-radius:50%;margin-top:-7px}input[type=range]::-moz-range-thumb{border:4px solid var(--violet);width:18px;height:18px;box-shadow:0 3px 0 var(--violet-deep);background:#fff;border-radius:50%}input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.15)}input[type=range]:active::-webkit-slider-thumb{transform:scale(1.15)}input[type=range]:focus-visible{outline:none}input[type=range]:focus-visible::-webkit-slider-thumb{outline:3px solid var(--amber);outline-offset:2px}input[type=text],input[type=search],input[type=email],input[type=password],select,textarea{font:inherit;color:var(--ink);border:2px solid var(--line-strong);background:var(--surface);border-radius:14px;padding:10px 14px}input[type=text]:focus,input[type=search]:focus,input[type=email]:focus,input[type=password]:focus,select:focus,textarea:focus{border-color:var(--violet);box-shadow:0 0 0 4px var(--violet-soft);outline:none}.segmented{background:var(--sunk);border-radius:14px;flex-wrap:wrap;gap:2px;padding:4px;display:inline-flex}.segmented button{cursor:pointer;font-size:var(--step--1);color:var(--ink-2);transition:background .15s ease, color .15s ease, transform .2s var(--spring);background:0 0;border:0;border-radius:10px;padding:6px 14px;font-weight:600}.segmented button:hover{color:var(--ink)}.segmented button[aria-pressed=true]{background:var(--violet);color:#fff;box-shadow:0 2px 0 var(--violet-deep)}.segmented button:active{transform:scale(.95)}.stage{background:var(--surface);border:2px solid var(--line);border-radius:var(--r-lg);box-shadow:0 8px 0 var(--line);flex-direction:column;display:flex;overflow:hidden}.stage-canvas{background:var(--surface);touch-action:none;position:relative}.stage-canvas canvas,.stage-canvas svg{width:100%;height:100%;display:block}.stage-controls{border-top:2px solid var(--line);background:color-mix(in srgb, var(--sunk) 45%, var(--surface));flex-direction:column;gap:12px;padding:16px 20px;display:flex}.stage-hint{font-size:var(--step--1);color:var(--muted)}.readout{font-size:var(--step--1);color:var(--ink-2);flex-wrap:wrap;gap:8px;display:flex}.readout>span{background:var(--surface);border:2px solid var(--line);border-radius:10px;padding:3px 10px}.readout b{color:var(--ink)}.chip{font-size:var(--step--1);align-items:center;gap:6px;font-weight:600;display:inline-flex}.dot{width:12px;height:12px;box-shadow:0 0 0 2px #fff, 0 0 0 3px var(--line);border-radius:50%;display:inline-block}.dot.teal{background:var(--teal)}.dot.rose{background:var(--rose)}.dot.amber{background:var(--amber)}.mascot{flex:none;display:block;overflow:visible}.mascot-body{transform-origin:60px 110px;transform-box:view-box}.mascot-idle .mascot-body{animation:3.2s ease-in-out infinite bob}.mascot-idle .mascot-eyes{transform-origin:60px 70px;transform-box:view-box;animation:4.5s infinite blink}.mascot-happy .mascot-body{animation:hop .7s var(--spring)}.mascot-party .mascot-body{animation:1s ease-in-out infinite party}.mascot-think .mascot-body{animation:2.4s ease-in-out infinite tilt}.mascot-oops .mascot-body{animation:.6s ease-in-out wobble}.mascot-synapse{transform-box:fill-box;transform-origin:50%;animation:2.2s ease-in-out infinite glow}.mascot-synapse.s2{animation-delay:1.1s}.mascot-says{align-items:flex-end;gap:10px;display:flex}.bubble{background:var(--surface);border:2px solid var(--line);font-weight:600;font-size:var(--step--1);color:var(--ink);box-shadow:0 4px 0 var(--line);animation:pop-in .4s var(--spring);border-radius:18px 18px 18px 6px;margin-bottom:18px;padding:10px 14px;position:relative}@keyframes bob{0%,to{transform:translateY(0)scaleY(1)}50%{transform:translateY(-4px)scaleY(1.02)}}@keyframes blink{0%,92%,to{transform:scaleY(1)}95%{transform:scaleY(.1)}}@keyframes hop{0%{transform:translateY(0)scale(1)}30%{transform:translateY(0)scale(1.12,.88)}60%{transform:translateY(-16px)scale(.94,1.08)}to{transform:translateY(0)scale(1)}}@keyframes party{0%,to{transform:translateY(0)rotate(-6deg)}50%{transform:translateY(-12px)rotate(6deg)}}@keyframes tilt{0%,to{transform:rotate(-4deg)}50%{transform:rotate(4deg)}}@keyframes wobble{0%,to{transform:rotate(0)}25%{transform:rotate(-8deg)}50%{transform:rotate(6deg)}75%{transform:rotate(-3deg)}}@keyframes glow{0%,to{transform:scale(1)}50%{transform:scale(1.25)}}@keyframes pop-in{0%{opacity:0;transform:scale(.85)translateY(6px)}to{opacity:1;transform:none}}@keyframes bump{0%,to{transform:scale(1)}40%{transform:scale(1.25)}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}@keyframes float{0%,to{transform:translate(0)scale(1)}50%{transform:translate(20px,-24px)scale(1.06)}}.hero{isolation:isolate;padding:clamp(20px,5vw,56px) 0 clamp(48px,7vw,96px);position:relative}.blobs{z-index:-1;pointer-events:none;position:absolute;inset:-120px 0 0;overflow:hidden}.blobs span{opacity:.75;will-change:transform;border-radius:50%;animation:14s ease-in-out infinite float;position:absolute}.blobs span:first-child{background:radial-gradient(closest-side,#c9b8ff,#c9b8ff00);width:560px;height:560px;top:-20px;left:-200px}.blobs span:nth-child(2){background:radial-gradient(closest-side,#ffc2d6,#ffc2d600);width:480px;height:480px;animation-delay:-5s;top:-60px;right:-80px}.blobs span:nth-child(3){background:radial-gradient(closest-side,#ffe39b,#ffe39b00);width:420px;height:420px;animation-delay:-9s;bottom:-160px;left:30%}.hero .wrap{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:center;gap:clamp(28px,5vw,72px);display:grid}.hero-badge{background:var(--surface);border:2px solid var(--line);font-weight:600;font-size:var(--step--1);color:var(--ink-2);box-shadow:0 4px 0 var(--line);border-radius:999px;align-items:center;gap:8px;margin-bottom:22px;padding:6px 14px 6px 8px;display:inline-flex}.hero-badge .live{background:var(--good);width:10px;height:10px;box-shadow:0 0 0 4px var(--good-soft);border-radius:50%;animation:1.6s ease-in-out infinite glow}.hero h1{font-size:var(--step-4);letter-spacing:-.035em;margin-bottom:22px;font-weight:800;line-height:1}.hero h1 .wiggle{color:var(--violet);display:inline-block;position:relative}.hero h1 .wiggle svg{width:100%;height:.3em;position:absolute;bottom:-.18em;left:0;overflow:visible}.hero-lede{font-size:var(--step-1);color:var(--ink-2);max-width:36ch;margin-bottom:30px}.hero-actions{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.hero-visual{padding-top:52px;position:relative}.hero-visual .peek{z-index:2;align-items:flex-end;gap:8px;display:flex;position:absolute;top:0;right:28px}.hero-visual .peek .bubble{border-radius:18px 18px 6px;max-width:220px;margin-bottom:40px}.hero-stage{z-index:1;position:relative;transform:rotate(1deg)}.hero-stage .stage-canvas{aspect-ratio:1/.8;cursor:crosshair}.hero-facts{flex-wrap:wrap;gap:10px;margin-top:28px;padding:0;list-style:none;display:flex}.hero-facts li{font-weight:600;font-size:var(--step--1);color:var(--ink-2);align-items:center;gap:8px;display:inline-flex}.hero-facts li:before{content:"";background:var(--mint-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' stroke='%230b8f81' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 16px no-repeat;border-radius:7px;width:22px;height:22px}@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero-stage{transform:none}}.journey{background:var(--surface);border:2px solid var(--line);border-radius:var(--r-xl);box-shadow:0 8px 0 var(--line);flex-wrap:wrap;align-items:center;gap:clamp(16px,3vw,32px);margin-bottom:44px;padding:18px 26px;display:flex}.journey h3{font-size:var(--step-1)}.journey p{color:var(--muted);font-size:var(--step--1);margin:2px 0 0}.journey .stats{flex-wrap:wrap;gap:10px;margin-left:auto;display:flex}.big-stat{border-radius:18px;align-items:center;gap:10px;padding:10px 16px;font-weight:700;display:flex}.big-stat b{font-family:var(--font-display);font-size:1.5rem;font-weight:600;line-height:1;display:block}.big-stat small{opacity:.8;font-size:.8rem;font-weight:600}.big-stat.xp{background:var(--amber-soft);color:#8a5a00}.big-stat.streak{background:var(--tangerine-soft);color:#a3410b}.big-stat.lessons{background:var(--mint-soft);color:#0b6b60}.path-section{padding:24px 0 96px}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px;display:flex}.section-head h2{font-size:var(--step-3)}.section-head p{color:var(--muted);max-width:50ch;margin:8px 0 0}.modules{gap:28px;display:grid}.module{background:var(--mod-soft);border-radius:var(--r-xl);grid-template-columns:250px 1fr;gap:24px 36px;padding:clamp(20px,3vw,32px);display:grid;position:relative;overflow:hidden}.module:after{content:"";background:var(--mod);opacity:.08;pointer-events:none;border-radius:50%;width:240px;height:240px;position:absolute;bottom:-110px;left:-80px}.module-head{z-index:1;position:relative}.module-index{background:var(--mod);color:#fff;width:52px;height:52px;font-family:var(--font-display);box-shadow:0 5px 0 var(--mod-deep);border-radius:16px;place-items:center;margin-bottom:16px;font-size:1.6rem;font-weight:700;display:grid;transform:rotate(-6deg)}.module-head h3{font-size:var(--step-2);margin-bottom:8px}.module-head p{color:var(--ink-2);font-size:var(--step--1);margin-bottom:16px}.module-progress{color:var(--mod-deep);align-items:center;gap:10px;font-size:.85rem;font-weight:700;display:flex}.bar-track{background:color-mix(in srgb, var(--mod) 18%, #fff);border-radius:999px;flex:1;height:12px;overflow:hidden}.bar-fill{background:var(--mod);height:100%;transition:width .8s var(--spring);border-radius:999px;box-shadow:inset 0 -3px #0000001f}.lesson-list{z-index:1;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;display:grid;position:relative}.lesson-card{background:var(--surface);border:2px solid color-mix(in srgb, var(--mod) 25%, #fff);border-radius:var(--r-lg);box-shadow:0 6px 0 color-mix(in srgb, var(--mod) 30%, #fff);transition:transform .25s var(--spring), box-shadow .25s ease;flex-direction:column;text-decoration:none;display:flex;position:relative}.lesson-card:after{content:"";border-radius:inherit;position:absolute;inset:-8px -8px -14px}.lesson-card:hover{box-shadow:0 10px 0 color-mix(in srgb, var(--mod) 35%, #fff);transform:translateY(-4px)rotate(-.6deg)}.lesson-card:active{box-shadow:0 2px 0 color-mix(in srgb, var(--mod) 35%, #fff);transform:translateY(2px)}.lesson-card .thumb{background:var(--paper);border-radius:calc(var(--r-lg) - 2px) calc(var(--r-lg) - 2px) 0 0;height:124px;position:relative;overflow:hidden}.lesson-card .thumb svg{width:100%;height:100%;display:block}.lesson-num{background:var(--surface);min-width:30px;height:30px;color:var(--mod-deep);font-family:var(--font-display);border-radius:10px;place-items:center;padding:0 8px;font-weight:700;display:grid;position:absolute;top:10px;left:10px;box-shadow:0 3px #2b1d521f}.lesson-card .body{flex-direction:column;flex:1;gap:6px;padding:14px 16px 16px;display:flex}.lesson-card h4{font-size:var(--step-1)}.lesson-card p{color:var(--muted);font-size:var(--step--1);margin:0}.lesson-meta{color:var(--muted);justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px;font-size:.85rem;font-weight:600;display:flex}.badge{border-radius:999px;align-items:center;gap:5px;padding:3px 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a:hover{color:var(--mod-deep);text-decoration:underline}.term-page{max-width:820px;padding-top:32px;padding-bottom:80px}.crumbs{font-size:var(--step--1);color:var(--muted);align-items:center;gap:8px;display:flex}.crumbs a{color:var(--violet-deep);font-weight:600;text-decoration:none}.crumbs a:hover{text-decoration:underline}.term-head h1{font-size:var(--step-3);margin-top:10px}.term-def{font-size:var(--step-1);color:var(--ink-2);max-width:60ch;margin:12px 0 28px}.term-try{background:var(--mod-soft);border:2px solid color-mix(in srgb, var(--mod) 30%, #fff);border-radius:var(--r-lg);flex-wrap:wrap;align-items:center;gap:18px;padding:20px 22px;display:flex}.term-try>div{flex:260px}.term-try h2{font-size:var(--step-1)}.term-try p{color:var(--ink-2);margin:4px 0 0}.term-related{margin-top:36px}.term-related h2{font-size:var(--step-1);margin-bottom:12px}.term-related ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.term-related li{background:var(--surface);border:2px solid var(--line);border-radius:var(--r-md);gap:2px;padding:12px 16px;display:grid}.term-related a{font-family:var(--font-display);color:var(--ink);font-weight:700;text-decoration:none}.term-related a:hover{color:var(--mod-deep);text-decoration:underline}.term-related span{color:var(--ink-2);font-size:.95rem}.term-pager{border-top:2px solid var(--line);grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin-top:40px;padding-top:20px;display:grid}.term-pager a{color:var(--ink);font-weight:700;text-decoration:none;display:grid}.term-pager a small{color:var(--muted);font-size:.8rem;font-weight:600}.term-pager a:hover{color:var(--violet-deep)}.term-pager-next{text-align:right}.term-pager .term-pager-all{color:var(--violet-deep)}.lesson-outline{max-width:980px;padding-top:8px;padding-bottom:72px}.lesson-outline>h2{font-size:var(--step-2)}.lesson-outline-lede{color:var(--ink-2);margin:6px 0 20px}.lesson-outline h3{font-size:var(--step-1);margin:18px 0 8px}.lesson-outline-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:8px 40px;display:grid}.lesson-outline ol{color:var(--ink-2);margin:0;padding-left:22px}.lesson-outline ol li{margin:4px 0}.lesson-outline-terms{gap:8px;margin:0;display:grid}.lesson-outline-terms dt a{color:var(--violet-deep);font-weight:700}.lesson-outline-terms dd{color:var(--ink-2);margin:0;font-size:.95rem}.lesson-outline-sources{color:var(--muted);margin:0;padding-left:22px;font-size:.92rem}.lesson-outline-sources li{margin:4px 0}.lesson-outline-sources a{color:var(--ink-2);font-weight:600}.google-btn{gap:10px}.auth-or{color:var(--muted);font-size:var(--step--1);align-items:center;gap:12px;margin:18px 0 14px;font-weight:600;display:flex}.auth-or:before,.auth-or:after{content:"";background:var(--line);border-radius:2px;flex:1;height:2px}.signin-google{border-top:2px solid var(--line);margin-top:24px;padding-top:20px}.signin-google h3{font-size:var(--step-1);align-items:center;gap:8px;margin-bottom:6px;display:flex}.signin-google .btn{gap:8px}.lesson-outline-steps details summary{cursor:pointer;color:var(--ink);padding:2px 0;font-weight:600}.lesson-outline-steps details summary:focus-visible{outline:3px solid var(--violet-soft);outline-offset:2px;border-radius:6px}.lesson-outline-steps details[open] summary{color:var(--violet-deep)}.lesson-outline-body{background:var(--surface);border:2px solid var(--line);border-radius:var(--r-md);color:var(--ink-2);margin:6px 0 14px;padding:12px 16px}.lesson-outline-body p{margin:0 0 10px}.lesson-outline-body p:last-child{margin-bottom:0}.upsell-preview{margin-top:32px;padding-left:0;padding-right:0}.term-context{border-left:4px solid var(--mod);background:var(--surface);border-radius:0 var(--r-md) var(--r-md) 0;margin:-8px 0 28px;padding:14px 18px}.term-context blockquote{font-size:var(--step-0);color:var(--ink);margin:0}.term-context figcaption{font-size:var(--step--1);color:var(--muted);margin-top:8px}.term-context figcaption a{color:var(--mod-deep);font-weight:600}.term-related .term-chips{flex-wrap:wrap;gap:8px;display:flex}.term-related .term-chips li{background:0 0;border:0;padding:0;display:block}.term-related .term-chips a{background:var(--surface);border:2px solid var(--line);border-radius:999px;padding:6px 12px;font-size:.95rem;display:inline-block}