@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Nunito:wght@600;700;800;900&display=swap');
:root{--paper:#fffcf8;--ink:#30233e;--muted:#6e6179;--purple:#6741a5;--line:#e5dce9;--pink:#f8dce9;--lilac:#ece3fa;--mint:#e4edcb;--yellow:#faedb9;--radius:22px;--body:'DM Sans',system-ui,sans-serif;--display:'Nunito',system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--body)}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--purple);outline-offset:5px}[hidden]{display:none!important}.skip{position:absolute;left:20px;top:-90px;background:var(--ink);color:#fff;padding:12px 20px;z-index:9}.skip:focus{top:10px}.container{width:min(1120px,calc(100% - 64px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}.brand:hover{text-decoration:none}.brand img{width:46px;height:46px;border-radius:50%}.brand strong{display:block;font:900 23px/1.1 var(--display);letter-spacing:-1px}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:.05em;margin-top:4px}.nav{display:flex;align-items:center;gap:25px;font-size:13px;font-weight:600}.tkal-link{border-left:1px solid var(--line);padding-left:25px;color:var(--muted);font-weight:400}.tkal-link img{width:42px;vertical-align:middle;margin-left:5px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--purple)}.hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:50px;padding:67px 0 55px}.hero h1{font:900 clamp(54px,6.7vw,82px)/1.04 var(--display);letter-spacing:-3px;margin:17px 0 24px}.hero h1 em{font-style:normal;color:var(--purple)}.hero .intro{font-size:18px;max-width:470px;color:var(--muted);line-height:1.75}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:28px 0 18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:15px;padding:13px 23px;border:1px solid var(--purple);border-radius:100px;background:var(--purple);color:white;font-size:13px;font-weight:700;cursor:pointer;min-height:48px}.button:hover{background:#533088;text-decoration:none}.button.secondary{background:transparent;color:var(--purple)}.button.secondary:hover{background:var(--lilac)}.hero .note{font-size:12px;color:var(--muted)}.hero-art{position:relative;min-height:420px;display:flex;justify-content:center;align-items:center;isolation:isolate}.halo{position:absolute;background:var(--lilac);border-radius:48% 52% 46% 54%;width:360px;height:350px;transform:rotate(-8deg);z-index:-1}.hero-art>img{width:320px;height:auto;transform:rotate(4deg);filter:drop-shadow(0 9px 0 #30233e0a)}.speech{position:absolute;top:4px;right:0;max-width:220px;border:1px solid #d8c8e9;background:white;border-radius:18px 18px 18px 3px;padding:12px 18px;font:800 16px/1.4 var(--display);transform:rotate(5deg);box-shadow:4px 4px 0 #e8dff1}.sticker-label{position:absolute;bottom:13px;left:8px;background:var(--mint);border:1px solid #c5d5a3;border-radius:6px;padding:7px 13px;font-size:12px;font-weight:700;transform:rotate(-5deg)}.spark{position:absolute;color:var(--purple);font-size:35px;top:120px;left:0}.spark.pink{color:#c96892;top:auto;left:auto;right:12px;bottom:90px}.promise{border-block:1px solid var(--line);display:flex;gap:20px;justify-content:space-between;padding:16px 0;color:var(--muted);font-size:12px}.promise span:before{content:'✦';margin-right:9px;color:var(--purple)}.section{padding:52px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section h2{font:900 clamp(29px,3.8vw,38px)/1.2 var(--display);letter-spacing:-1px;margin:6px 0 0}.section-heading p{font-size:13px;color:var(--muted);margin:0}.feature{display:grid;grid-template-columns:300px 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}.feature-visual{position:relative;background:var(--mint);padding:30px;display:flex;flex-direction:column;justify-content:center;min-height:310px}.feature-visual .diagram{text-align:center;font:900 58px/1 var(--display);letter-spacing:-3px}.port{margin:22px auto 10px;border:3px solid #65517a;border-radius:15px;width:105px;height:39px;background:#fffcf8;display:flex;align-items:center;justify-content:center;gap:5px}.port i{display:block;width:6px;height:8px;background:#a993c2;border-radius:2px}.connection{font:700 12px/1.5 var(--body);text-align:center;color:#5d5264}.feature-copy{padding:33px 39px}.feature-copy h3{font:900 30px/1.2 var(--display);letter-spacing:-.7px;margin:12px 0}.feature-copy p{color:var(--muted);font-size:15px;max-width:62ch}.tag{display:inline-block;border-radius:100px;background:var(--lilac);padding:4px 11px;color:#593683;font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.feature .actions{margin:23px 0 0}.text-link{font-weight:700;font-size:13px;color:var(--purple)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:25px 0 8px}.filters{display:flex;gap:7px;flex-wrap:wrap}.filter{border:1px solid var(--line);background:transparent;color:var(--muted);font-size:12px;font-weight:600;padding:8px 15px;border-radius:100px;cursor:pointer}.filter[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}.search{position:relative;display:flex;align-items:center;gap:10px}.search span{font-size:12px;color:var(--muted)}.search input{background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:100px;font-size:12px;width:208px;color:var(--ink)}.result-status{min-height:28px;color:var(--muted);font-size:11px;margin:8px 0}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.lesson-card{border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}.lesson-card:hover{transform:translateY(-3px);box-shadow:0 9px 22px #30233e09}.card-cover{min-height:160px;padding:24px;display:flex;align-items:center;justify-content:center;font:900 43px/1.1 var(--display);letter-spacing:-2px;position:relative}.card-cover small{position:absolute;top:15px;left:18px;font:700 10px var(--body);letter-spacing:.1em;text-transform:uppercase}.card-cover.lilac{background:var(--lilac)}.card-cover.pink{background:var(--pink)}.card-cover.mint{background:var(--mint)}.card-cover.yellow{background:var(--yellow)}.card-copy{padding:22px 23px;display:flex;flex-direction:column;flex:1}.card-meta{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.card-copy h3{font:800 21px/1.3 var(--display);letter-spacing:-.3px;margin:9px 0}.card-copy p{font-size:13px;color:var(--muted);margin:0 0 21px}.card-copy .text-link{margin-top:auto}.empty{padding:35px;text-align:center;border:1px dashed var(--line);border-radius:16px;color:var(--muted)}.notebook{background:#f3edf9;border-block:1px solid var(--line);padding:48px 0}.notebook-inner{display:grid;grid-template-columns:1fr 1.6fr;gap:65px}.notebook h2{font:900 34px/1.18 var(--display);letter-spacing:-1px;margin:10px 0 20px}.notebook p{font-size:14px;color:var(--muted)}.glossary{border-top:1px solid #dcd0e9}.glossary details{border-bottom:1px solid #dcd0e9;padding:13px 0}.glossary summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-weight:700;list-style:none;gap:12px}.glossary summary::-webkit-details-marker{display:none}.glossary summary:after{content:'+';font-size:20px;font-weight:400;color:var(--purple)}.glossary details[open] summary:after{content:'−'}.glossary details p{margin:8px 28px 8px 0;font-size:13px}.glossary a{text-decoration:underline}.research-bridge{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.research-bridge p{color:var(--muted);font-size:14px}.reading-list{border-top:1px solid var(--line)}.reading-row{padding:18px 0;border-bottom:1px solid var(--line);display:block}.reading-row small{font-size:10px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.reading-row strong{display:block;font:800 20px/1.35 var(--display);margin:5px 0}.reading-row span{font-size:12px;color:var(--purple)}.signup{display:grid;grid-template-columns:1fr 1fr;gap:40px;border:1px solid #d7c9e5;border-radius:var(--radius);padding:35px 40px;background:var(--lilac);margin-bottom:55px;align-items:center}.signup h2{font:900 29px/1.2 var(--display);letter-spacing:-.8px;margin:8px 0}.signup p{font-size:13px;color:#62526f}.signup .button{font-size:12px}.subscribe-form{display:flex;gap:8px;flex-wrap:wrap}.subscribe-form input{border:1px solid #c2b2d2;border-radius:100px;min-width:150px;flex:1;width:100%;padding:12px 15px;font-size:13px;background:#fff;color:var(--ink)}.signup .fine{font-size:11px;line-height:1.6;margin:12px 0 0}.footer{border-top:1px solid var(--line);padding:25px 0 30px;display:flex;gap:25px;justify-content:space-between;align-items:start;font-size:11px;color:var(--muted)}.footer p{margin:0 0 5px;max-width:670px}.footer a{text-decoration:underline}.footer-links{display:flex;gap:17px;white-space:nowrap}.article-shell{max-width:740px;margin:0 auto;padding:42px 0 60px}.breadcrumb{font-size:12px;color:var(--purple)}.article-shell h1{font:900 clamp(35px,5vw,55px)/1.13 var(--display);letter-spacing:-1.8px;margin:17px 0}.article-dek{font-size:19px;color:var(--muted)}.article-meta{font-size:11px;color:var(--muted);margin:20px 0 30px}.takeaway{padding:23px 27px;background:var(--mint);border-radius:16px;border:1px solid #cfdeb6;font-size:17px;margin:28px 0}.takeaway strong{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#4e6039;display:block;margin-bottom:7px}.article-body h2{font:900 25px/1.3 var(--display);margin:32px 0 12px;letter-spacing:-.5px}.article-body p{font-size:16px;margin:14px 0}.article-body a{text-decoration:underline;color:var(--purple)}.analogy{border-left:3px solid var(--purple);background:#f4edf9;padding:15px 23px;margin:25px 0;border-radius:0 12px 12px 0}.analogy p{margin:0;font-size:15px}.article-sources{margin-top:36px;border-top:1px solid var(--line);padding-top:20px}.article-sources h2{font-size:20px;margin:0 0 10px}.article-sources ul{padding-left:20px;font-size:13px;color:var(--muted)}.article-sources a{color:var(--purple);text-decoration:underline}.article-next{margin-top:35px;background:var(--lilac);border-radius:15px;padding:22px 25px}.article-next h2{margin:0 0 8px;font-size:23px}.article-next p{font-size:14px;margin:0 0 14px;color:var(--muted)}
.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}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.lesson-card{transition:none}.lesson-card:hover{transform:none}}
@media(min-width:1400px){.hero{padding-top:75px;padding-bottom:66px}}
@media(max-width:900px){.nav{gap:15px}.tkal-link{padding-left:15px}.hero{gap:10px}.hero-art{min-height:375px}.hero-art>img{width:275px}.halo{width:300px;height:310px}.speech{right:0;font-size:14px;max-width:180px}.hero h1{font-size:65px}.card-grid{gap:15px}.card-copy{padding:19px}.notebook-inner{gap:35px}.signup{padding:28px;grid-template-columns:1fr 1fr;gap:25px}.feature{grid-template-columns:250px 1fr}.feature-copy{padding:28px}}
@media(max-width:680px){.container{width:calc(100% - 36px)}.site-header{flex-wrap:wrap;padding:17px 0;gap:18px}.brand strong{font-size:21px}.brand img{width:41px;height:41px}.nav{width:100%;gap:18px;font-size:12px;justify-content:space-between}.tkal-link{border-left:0;padding-left:0}.tkal-link img{width:34px}.hero{grid-template-columns:1fr;padding:35px 0 24px;gap:5px}.hero h1{font-size:60px;letter-spacing:-2.5px;margin:13px 0 18px}.hero .intro{font-size:16px;max-width:38ch}.hero-art{min-height:310px;max-width:380px;width:100%;margin:15px auto 0}.hero-art>img{width:240px}.halo{width:270px;height:265px}.speech{top:4px;right:0;max-width:168px;font-size:13px;padding:9px 13px}.sticker-label{bottom:0;left:5px;font-size:11px}.spark{left:7px;top:95px}.spark.pink{right:9px;bottom:55px}.promise{gap:12px;flex-wrap:wrap;font-size:10px;justify-content:flex-start}.promise span:before{margin-right:5px}.section{padding:35px 0}.section-heading{align-items:start;flex-direction:column;gap:10px}.section h2{font-size:30px}.feature{grid-template-columns:1fr}.feature-visual{min-height:195px;padding:20px}.feature-visual .diagram{font-size:45px}.port{margin-top:15px;margin-bottom:5px}.feature-copy{padding:24px}.feature-copy h3{font-size:27px}.card-grid{grid-template-columns:1fr 1fr;gap:12px}.card-cover{min-height:120px;font-size:33px;padding:20px 10px}.card-cover small{font-size:8px;left:12px;top:10px}.card-copy{padding:17px 15px}.card-copy h3{font-size:18px}.card-copy p{font-size:12px}.card-meta{font-size:9px}.text-link{font-size:12px}.toolbar{gap:15px}.search{width:100%}.search input{flex:1}.notebook{padding:32px 0}.notebook-inner,.research-bridge,.signup{grid-template-columns:1fr;gap:22px}.notebook h2{font-size:30px}.signup{padding:25px 23px;margin-bottom:35px}.signup h2{font-size:27px}.subscribe-form .button{width:100%}.footer{flex-direction:column;gap:17px}.article-shell{padding:28px 0 40px}.article-shell h1{letter-spacing:-1px}.article-dek{font-size:17px}.article-body p{font-size:15px}.takeaway{padding:20px}.article-next{padding:20px}}
@media(max-width:380px){.hero h1{font-size:53px}.nav{gap:11px}.brand strong{font-size:20px}.card-grid{grid-template-columns:1fr}.card-cover{min-height:135px}.filters{gap:5px}.filter{padding:7px 11px}.promise{font-size:9px}}

.nav>a{white-space:nowrap}@media(max-width:380px){.nav{font-size:10.5px;gap:9px}.tkal-link img{width:30px}}