.brain-introduction{padding:70px 6%;border-bottom:1px solid #d4d3c6;max-width:none}.brain-introduction .eyebrow{display:block;margin-bottom:22px}.brain-introduction h1{font:400 clamp(40px,5vw,76px)/1.1 Georgia,serif;letter-spacing:-.04em;margin-bottom:23px}.brain-introduction>p{max-width:770px;font-size:18px;color:#636a5b;line-height:1.8}.brain-introduction .edit-actions{margin-top:25px}
.brain-lessons{padding:70px 6%;background:#f1f0e7;border-bottom:1px solid #d4d3c6}.brain-section-heading{display:grid;grid-template-columns:1fr .7fr;gap:60px;align-items:end;margin-bottom:46px}.brain-section-heading .eyebrow{display:block;margin-bottom:24px}.brain-section-heading h2{font:400 clamp(34px,3.5vw,56px)/1.12 Georgia,serif;letter-spacing:-.025em;margin:0}.brain-section-heading>p{color:#616d59;font-size:16px;line-height:1.8;margin:0}.brain-lesson-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:48px 28px}.brain-lesson{min-width:0}.brain-ipad{padding:17px 7px 16px;background:#f7f6f0;border:1px solid #b6b8ac;border-radius:20px;box-shadow:0 10px 22px #35422b0d;position:relative}.brain-camera{position:absolute;top:7px;left:50%;width:3px;height:3px;border-radius:50%;background:#7f897a}.brain-home{position:absolute;bottom:4px;left:calc(50% - 4px);width:8px;height:8px;border:1px solid #d6d5ca;border-radius:50%}.brain-ipad-screen{aspect-ratio:4/5.3;border:2px solid #30372d;border-radius:5px;overflow:hidden;display:flex;flex-direction:column;background:#faf1e2}.brain-cover-type{position:relative;height:35%;flex-shrink:0;padding:6% 7% 4%;display:flex;flex-direction:column;justify-content:space-between}.brain-cover-type>img{width:36%;height:auto;max-height:30%;object-fit:contain;object-position:left}.brain-cover-type>span{position:absolute;top:11%;right:8%;font:14px Georgia,serif}.brain-cover-type h3{font:400 clamp(19px,1.8vw,31px)/1.03 Georgia,serif;letter-spacing:-.035em;margin:10px 0 0}.brain-lesson-photo{display:block;width:100%;height:65%;object-fit:cover;filter:saturate(.84) sepia(.08) contrast(.97)}.brain-lesson-caption{padding:23px 0 0}.brain-lesson-caption .eyebrow{font-size:9px;letter-spacing:.18em;color:#708067;display:block;margin-bottom:12px}.brain-lesson-caption h4{font:400 23px/1.15 Georgia,serif;letter-spacing:-.025em;margin:0 0 14px}.brain-lesson-caption p{font-size:13px;line-height:1.85;color:#626a5b;margin:0}
.brain-protocol-photo{margin:0}.brain-protocol-photo img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover;filter:saturate(.82) sepia(.07);border-radius:2px}.brain-protocol-photo figcaption{font-size:11px;color:#6b765f;margin-top:12px}.brain-product-photo{display:flex;align-items:center;justify-content:center;aspect-ratio:1;background:#f8f7f0;margin-bottom:22px;border-radius:3px}.brain-product-photo img{width:82%;height:82%;object-fit:contain}.brain-status{font-size:10px!important;line-height:1.5!important;color:#6f634c!important;border-left:2px solid #a79b7b;padding-left:9px}.brain-editorial .brain-testing-detail{border-block:1px solid #cdd3c3;padding:20px 0;margin-top:35px}.brain-testing-detail summary{cursor:pointer;font-size:15px}.brain-testing-detail p{max-width:900px;font-size:14px;margin:20px 0 0}.brain-practice{display:grid;grid-template-columns:.8fr 1fr;gap:7%;align-items:center}.brain-practice>img{display:block;width:100%;aspect-ratio:1.05;object-fit:cover;filter:saturate(.85) sepia(.07)}.brain-practice .edit-link{margin-right:25px}.brain-edit-card{padding-top:42px;margin-top:48px;border-top:1px solid #cdd0c3}.brain-edit-card>a>img{aspect-ratio:3/2;object-fit:cover;object-position:center 37%;filter:saturate(.84) sepia(.07)}
@media(max-width:1100px){.brain-lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 30px}.brain-cover-type h3{font-size:clamp(24px,3.3vw,40px)}.brain-section-heading{gap:30px}.brain-lesson-caption h4{font-size:26px}}
@media(max-width:650px){.brain-introduction,.brain-lessons{padding:45px 6%}.brain-introduction>p{font-size:16px}.brain-section-heading{grid-template-columns:1fr;gap:22px}.brain-section-heading>p{font-size:15px}.brain-lesson-grid{gap:32px 17px}.brain-cover-type h3{font-size:clamp(16px,4.1vw,24px)}.brain-cover-type>span{font-size:10px}.brain-lesson-caption h4{font-size:21px}.brain-lesson-caption p{font-size:12px}.brain-ipad{border-radius:14px;padding:14px 4px}.brain-practice{grid-template-columns:1fr;gap:30px}.brain-protocol-photo img{aspect-ratio:1.25}}