@import url('/app/worlds/styles/homepage-account-links.css');
*{box-sizing:border-box}html,body{height:100%;width:100%;overflow:hidden}body{margin:0;background:#010306;color:#e7f2f8}.mobile-switch{display:none}.landing{display:grid;grid-template-columns:minmax(0,1fr) clamp(365px,31vw,455px);height:100dvh;min-height:0;overflow:hidden}.experience{min-width:0;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) 138px}.world-stage{min-height:0;height:100%}.world-stage .sfi-world-parallax{height:100%;min-height:0}.study-side{min-height:0;height:100%;display:flex;flex-direction:column;overflow:hidden;background:linear-gradient(155deg,#09141e,#03080e)}#main{display:flex!important;flex-direction:column;justify-content:flex-start!important;min-height:0;flex:1;padding:23px 24px 17px;overflow:hidden}.practice-intro{flex-shrink:0}.eyebrow{font-size:8px;letter-spacing:.19em;color:#8ba5b6;margin-bottom:11px}h1{font:400 clamp(34px,2.9vw,45px)/1.1 Georgia,serif;letter-spacing:-.04em;margin:0 0 7px}.proposition{font:italic 20px/1.3 Georgia,serif;color:#acc9d8;margin-bottom:14px}.intro{font-size:11px;line-height:1.7;color:#9db0bc;margin-bottom:10px;max-width:340px}.practice-statement{font:400 16px Georgia,serif;color:#d5ebf6;margin:0 0 20px}#accordion-sections{flex:1;min-height:0;display:flex;flex-direction:column;gap:10px;overflow:hidden}.entry-section{--heading-height:66px;--body-height:200px;flex:none;height:calc(var(--heading-height) + 2px);overflow:hidden;border:1px solid #283d4b;border-radius:12px;background:#07121c;transition:height 360ms cubic-bezier(.25,.8,.25,1),border-color 360ms}.entry-section.is-active{height:calc(var(--heading-height) + var(--body-height) + 2px);border-color:#526e80;background:linear-gradient(135deg,#102331,#06121d)}.entry-section h2{margin:0;padding:0;font-weight:400}.entry-heading{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;width:100%;min-height:66px;padding:13px 19px;border:0;background:none;text-align:left;color:#d3e7f3}.heading-kicker{font:500 8px/1.1 Inter,ui-sans-serif,sans-serif;text-transform:uppercase;letter-spacing:.2em;color:#7998ab}.heading-name{font:300 23px/1.15 Inter,ui-sans-serif,-apple-system,sans-serif;letter-spacing:-.03em}.teacher-section .entry-heading{min-height:77px;padding-block:15px;background:radial-gradient(ellipse at top right,#629abb16,transparent 70%)}.teacher-section .heading-kicker{font-size:10px;letter-spacing:.21em;color:#98bbcf}.teacher-name{font:400 29px/1.05 Georgia,serif;letter-spacing:-.035em;color:#ecf6ff;text-shadow:0 0 24px #aedaff16}.entry-heading:hover .heading-name{color:#fff}.entry-body{height:var(--body-height);overflow:hidden;visibility:hidden;opacity:0;transition:opacity 220ms,visibility 0s 360ms}.entry-section.is-active .entry-body{visibility:visible;opacity:1;transition:opacity 280ms 70ms}.section-home{height:100%;min-height:0;display:flex;flex-direction:column}.explore-copy{height:100%;display:flex;flex-direction:column;justify-content:center;padding:0 20px 9px}.explore-row{flex:1;max-height:90px;min-height:0;display:flex;flex-direction:column;justify-content:center;gap:6px;background:none;border:0;border-top:1px solid #b9d7e91a;text-align:left;color:#dbeef9;padding:9px 0}.explore-row>span{font-size:19px;font-weight:350;letter-spacing:-.02em}.explore-row small{font-size:10px;color:#8fadc0;line-height:1.4}.explore-row b{font-size:8px;font-weight:400;border:1px solid #446d5f;color:#a8d5c0;border-radius:20px;padding:2px 6px;margin-left:6px}.horizontal-content{position:relative;flex:1;min-height:0;padding:0 29px 12px;container-type:size}.swipe-deck{height:100%;width:100%;display:flex;gap:12px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none;touch-action:pan-x pan-y;cursor:grab}.swipe-deck::-webkit-scrollbar{display:none}.swipe-deck.is-dragging{scroll-snap-type:none;user-select:none}.philosophy-page{flex:0 0 100%;height:100%;min-width:0;scroll-snap-align:start;display:flex;flex-direction:column;justify-content:center;gap:10px;background:none;border:0;padding:6px 0}.philosophy-label{font-size:8px;text-transform:uppercase;letter-spacing:.17em;color:#718fa4}.philosophy-page h3{font:400 clamp(18px,9cqh,25px)/1.17 Georgia,serif;letter-spacing:-.015em;margin:0;color:#e6f2fa}.philosophy-page .philosophy-lead{font-size:clamp(12px,6cqh,17px);line-height:1.45;color:#bed8e8;margin:0;font-weight:350}.philosophy-page p{font-size:clamp(10px,4.5cqh,12px);line-height:1.65;color:#88a5b8;margin:0}.side-arrow{position:absolute;top:45%;transform:translateY(-50%);z-index:2;border:0;background:transparent;color:#a4c5d9;width:28px;height:46px;font:300 31px/1 Georgia,serif;padding:0}.side-arrow:hover{color:#fff}.side-arrow:disabled{opacity:.15}.side-arrow.previous{left:0}.side-arrow.next{right:0}.course-tools{display:flex;justify-content:space-between;align-items:center;padding:0 20px 10px;gap:8px;flex-shrink:0}.course-tools button{background:none;border:0;border-bottom:1px solid #789eb6;color:#bfdded;padding:0 0 3px;font-size:10px}.course-tools span{font-size:8px;color:#7895a8}.course-card{position:relative;flex:0 0 100%;height:100%;min-width:0;border:1px solid #324e60;border-radius:8px;overflow:hidden;scroll-snap-align:start;background:#03090e}.course-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.7;pointer-events:none}.course-card:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#03101a22,#020915ee)}.course-caption{position:absolute;z-index:1;inset:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;padding:14px;gap:8px}.course-caption>span{font-size:9px;color:#9cbbcd}.course-caption h3{font:400 clamp(17px,8cqh,24px)/1.15 Georgia,serif;color:#e0f1fb;margin:0}.feature-action{background:#183345d9;color:#e0f2fc;border:1px solid #7198b0;border-radius:7px;min-height:32px;padding:7px 11px;font-size:10px}.practice-footer{flex-shrink:0;padding-top:15px}.practice-invitation{margin:0;display:flex;align-items:baseline;gap:12px}.practice-invitation>span{font-size:8px;letter-spacing:.13em;text-transform:uppercase;color:#7494a8;white-space:nowrap}.practice-invitation p{font:400 25px/1.08 Georgia,serif;letter-spacing:-.02em;color:#d8edf9;margin:0}.practice-invitation br{display:none}.side-links{display:flex;flex-wrap:wrap;gap:6px 13px;margin:13px 0 0}.side-links a{font-size:9px;text-decoration:none;border-bottom:1px solid #3c586b;color:#a8cadc;padding-bottom:2px}.prototype-note{flex-shrink:0;font-size:8px;padding:6px 19px;border-top:1px solid #ffffff09;color:#617e91;min-height:22px}.lesson-shelf{min-width:0;overflow:hidden;border-top:1px solid #223a4a;background:#040c13;padding:8px 0 6px}.lesson-shelf header{display:flex;align-items:center;justify-content:space-between;margin:0 16px 7px;height:16px}.lesson-shelf h2{font:400 11px/1 ui-sans-serif,sans-serif;letter-spacing:.04em;margin:0;color:#bcd9e9}.lesson-shelf h2 span{font-size:9px;letter-spacing:0;color:#7695aa;margin-left:9px}.motion-toggle{background:none;color:#9dbbce;border:0;padding:0 5px;font-size:9px;min-height:22px}.lesson-rail{overflow:hidden;height:100px;touch-action:pan-y;cursor:grab}.lesson-track{display:flex;gap:12px;width:max-content;height:100%;will-change:transform}.lesson-card{position:relative;flex:0 0 178px;width:178px;height:100px;border:1px solid #314a5b;border-radius:8px;background:#03090e;overflow:hidden;text-align:left;color:#dcecf6;padding:0}.lesson-card>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}.lesson-card:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#0000 10%,#020a1540 35%,#020812f2 100%);pointer-events:none}.lesson-caption{position:absolute;z-index:1;bottom:8px;left:10px;right:10px;text-shadow:0 1px 6px #000}.lesson-caption strong{font:400 12px/1.16 Georgia,serif;display:block}.lesson-caption small{font-size:7px;color:#abc4d4;display:block;margin-bottom:4px}.plan-badge{display:inline-block;width:fit-content;font-size:8px;font-weight:450;line-height:1.2;padding:4px 6px;border:1px solid;border-radius:15px}.plan-badge.free{color:#c2ebd6;background:#16362df2;border-color:#537966}.plan-badge.mathematics{color:#c6e4fc;background:#173346f2;border-color:#587f9e}.plan-badge.plus{color:#e9d6fa;background:#392345f2;border-color:#9370a9}.lesson-card>.plan-badge{position:absolute;z-index:2;top:6px;left:7px;font-size:7px;padding:3px 5px}.section-detail{height:100%;min-height:0;display:grid;grid-template-rows:23px minmax(0,1fr) 28px;padding:0 18px 5px;overflow:hidden}.detail-back{justify-self:start;background:none;border:0;color:#90b4ca;font-size:9px;padding:0;border-bottom:1px solid #344f61;align-self:start}.detail-pages{min-height:0;width:100%;height:100%;column-width:var(--page-width,300px);column-gap:24px;column-fill:auto;overflow:hidden;overscroll-behavior:contain;font-size:12px}.detail-pages>*{max-width:100%}.detail-pages p,.detail-pages h3,.detail-pages h4,.detail-pages label,.detail-pages button,.detail-pages .evidence-row,.detail-pages li,.detail-pages .course-result{break-inside:avoid}.detail-pages h3{break-after:avoid}.detail-paging{display:flex;justify-content:space-between;align-items:center;color:#6d91a8;font-size:8px}.detail-paging button{background:none;border:0;color:#aacbdf;font:23px/1 Georgia,serif;padding:0 6px}.detail-paging button:disabled{opacity:.2}.detail-title{font:400 20px/1.2 Georgia,serif;margin:8px 0 12px}.detail-copy{font-size:11px;line-height:1.65;color:#a4bfce;margin:0 0 12px}.detail-art{display:block;width:100%;height:90px;object-fit:cover;border-radius:7px;margin-bottom:10px}.section-detail h4{font-size:12px;margin:15px 0 7px}.section-detail .small{font-size:9px;line-height:1.5}.section-detail .primary,.section-detail .secondary{font-size:10px;min-height:32px;padding:8px 10px}.section-detail .field{font-size:10px;gap:5px}.section-detail input,.section-detail textarea{font-size:11px;min-height:32px;padding:8px}.section-detail textarea{height:65px;resize:none}.section-detail .quote{font-size:11px;padding:12px;margin:10px 0}.evidence-row{font-size:11px;border-left:1px solid #79a7bd;padding:7px 10px;margin:12px 0}.evidence-row small{font-size:9px;display:block;color:#85a5b9;margin-top:5px}.sample-stat strong{font-size:25px}.sample-stat span{font-size:10px;display:block}.search-lesson,.course-result{display:block;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid #2e4859;color:#cfe4f1;padding:11px 0}.search-lesson strong,.course-result strong{display:block;font-size:12px;font-weight:450}.search-lesson small,.course-result span{display:block;font-size:9px;color:#83a5ba;margin:5px 0}.course-result b{font-size:9px;font-weight:400;color:#b5d8eb;display:block}.course-categories{display:flex;flex-wrap:wrap;gap:5px;margin:10px 0}.course-categories button{font-size:9px;padding:5px 7px;border:1px solid #355369;border-radius:15px;color:#9fc3d8;background:none}.course-categories button[aria-pressed=true]{background:#204157;color:white}.sequence-progress{font-size:10px;margin:12px 0}.sequence-progress strong{font-size:19px;margin-right:10px}progress{width:100%;height:4px;accent-color:#b9e4f3}.sequence-steps{list-style:none;padding:0}.sequence-steps li{border-top:1px solid #2a4558;padding:10px 0;font-size:11px}.sequence-steps li>span{font-size:9px;color:#719bb4}.sequence-steps h4{margin:5px 0}.sequence-steps p{font-size:10px;color:#9ab8ca;line-height:1.5;margin:9px 0}.completion-control{display:flex;gap:7px;font-size:9px;color:#9abbd0}.completion-control input{width:14px;height:14px;min-height:0;flex-shrink:0;margin:3px 0}.world-picks{display:block}.world-pick{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid #2d4657;background:none;color:#c2deee;padding:6px;font-size:10px}.world-pick img{height:35px;width:50px;object-fit:cover;vertical-align:middle;margin-right:8px;border-radius:4px}.audience-options{display:grid;gap:8px}.detail-pages .text-button{font-size:10px;min-height:24px;padding:5px 0}
@media(max-width:1100px) and (min-width:701px){.landing{grid-template-columns:minmax(0,1fr) 340px}#main{padding:18px 20px 13px}h1{font-size:36px}.teacher-name{font-size:27px}.world-stage .sfi-parallax-header{grid-template-columns:1fr auto}.practice-invitation p{font-size:22px}.side-links{gap:5px 10px}.side-links a{font-size:8px}}
@media(max-height:800px){#main{padding-block:15px}.eyebrow{margin-bottom:7px}h1{font-size:35px}.proposition{font-size:17px;margin-bottom:9px}.proposition br{display:none}.intro{font-size:10px;margin-bottom:8px}.practice-statement{font-size:14px;margin-bottom:13px}.practice-footer{padding-top:10px}.practice-invitation p{font-size:22px}.side-links{margin-top:9px}.entry-heading{min-height:59px;padding-block:10px}.teacher-section .entry-heading{min-height:66px;padding-block:11px}.teacher-name{font-size:26px}}
@media(max-width:700px){.mobile-switch{display:flex;justify-content:center;gap:5px;height:36px;align-items:center;border-bottom:1px solid #213645;background:#06111a}.mobile-switch button{border:0;border-radius:20px;background:none;color:#789bad;font-size:10px;padding:5px 20px}.mobile-switch button[aria-pressed=true]{background:#183448;color:#e0f2fc}.landing{height:calc(100dvh - 36px);display:block;position:relative}.experience{position:absolute;inset:0;display:block}.world-stage{position:absolute;inset:0 0 122px;height:auto;min-height:0}.lesson-shelf{position:absolute;bottom:0;left:0;right:0;height:122px;z-index:4}.study-side{position:absolute;inset:0 0 122px;height:auto;border:0}.lesson-rail,.lesson-card{height:86px}.lesson-card{width:160px;flex-basis:160px}.lesson-caption strong{font-size:11px}.lesson-caption small{display:none}body[data-mobile-view=practice] .world-stage{visibility:hidden;pointer-events:none}body[data-mobile-view=worlds] .study-side{visibility:hidden;pointer-events:none}#main{padding:14px 19px 10px}.eyebrow{display:none}h1{font-size:34px}.proposition{font-size:16px;margin-bottom:8px}.proposition br{display:none}.intro{font-size:10px;line-height:1.55;margin-bottom:7px}.practice-statement{font-size:14px;margin-bottom:12px}.practice-footer{padding-top:9px}.practice-invitation{gap:9px}.practice-invitation p{font-size:20px}.practice-invitation>span{font-size:7px}.side-links{margin-top:8px;gap:5px 11px}.side-links a{font-size:8px}.prototype-note{font-size:7px;padding:4px 19px;min-height:18px}.entry-heading{min-height:53px;padding:10px 16px;gap:4px}.heading-name{font-size:20px}.heading-kicker{font-size:7px}.teacher-section .entry-heading{min-height:63px;padding:11px 16px}.teacher-section .heading-kicker{font-size:8px}.teacher-name{font-size:26px}.horizontal-content{padding-inline:24px;padding-bottom:7px}.side-arrow{width:22px}.explore-copy{padding-inline:16px}.explore-row{padding:6px 0;gap:3px}.explore-row>span{font-size:16px}.explore-row small{font-size:9px}.philosophy-page{gap:7px}.course-tools{padding:0 16px 7px}.course-caption{padding:10px;gap:6px}.course-caption .feature-action{min-height:27px;padding:5px 9px}.section-detail{padding-inline:15px}.detail-pages{font-size:11px}}
@media(prefers-reduced-motion:reduce){.entry-section,.entry-body,.entry-section.is-active .entry-body{transition:none}.lesson-track{will-change:auto}}

/* Original compact lesson footprint, retaining the artwork treatment. */
.experience{grid-template-rows:minmax(0,1fr) 131px}.lesson-rail,.lesson-card{height:93px}.lesson-card{width:245px;flex-basis:245px}.lesson-shelf #lesson-count{font-size:11px;letter-spacing:.015em;color:#c2e0f0;margin-left:0}.lesson-shelf .lesson-description{font-size:9px;margin-left:15px;color:#7695aa}.lesson-caption strong{font-size:13px}.lesson-caption small{font-size:8px}
@media(max-width:1100px){.lesson-shelf .lesson-description{display:none}}
@media(max-width:700px){.lesson-rail,.lesson-card{height:86px}.lesson-card{width:220px;flex-basis:220px}.lesson-shelf #lesson-count{font-size:10px}.lesson-caption strong{font-size:12px}}

/* Revision 5: two full-height text cards, with an intact teacher title. */
#main{container-type:inline-size}.teacher-section .entry-heading{align-items:flex-start;gap:7px;padding:13px 14px;min-height:72px}.teacher-name{white-space:nowrap;font:400 clamp(16px,5.6cqw,24px)/1.12 Georgia,serif;letter-spacing:-.035em}.teacher-subheading{font:400 10px/1.2 ui-sans-serif,sans-serif;letter-spacing:.08em;color:#8caec3}.horizontal-content{padding:0 24px 12px}.swipe-deck{align-items:stretch}.principle-card,.course-card{flex:0 0 calc((100% - 12px)/2);height:100%;min-width:0;scroll-snap-align:start}.principle-card{border:1px solid #355166;border-radius:10px;background:linear-gradient(155deg,#122b3c,#091b28);padding:16px 13px;display:flex;flex-direction:column;justify-content:flex-start;gap:13px;overflow:hidden}.principle-card h3{font:400 clamp(16px,6.8cqh,22px)/1.17 Georgia,serif;letter-spacing:-.015em;margin:0;color:#e1f2fc;overflow-wrap:normal}.principle-card .principle-lead{font-size:11px;line-height:1.5;color:#c1dbe9;margin:0}.principle-card p{font-size:10px;line-height:1.7;color:#8eafc4;margin:0}.principle-card .feature-action{margin-top:auto;width:100%;padding:7px 4px;font-size:9px;min-height:31px}.side-arrow.previous{left:0}.side-arrow.next{right:0}.course-caption{padding:11px 10px;gap:8px}.course-caption h3{font-size:17px}.course-caption>span{font-size:8px}.course-caption .feature-action{font-size:9px;padding:6px;min-height:30px;width:100%}
@media(max-width:1100px){.principle-card{padding:12px 10px;gap:10px}.principle-card h3{font-size:18px}.principle-card p{font-size:10px}.principle-card .principle-lead{font-size:10px}.course-caption h3{font-size:16px}}
@media(max-width:700px){.horizontal-content{padding:0 18px 9px}.teacher-section .entry-heading{padding:12px 13px;min-height:63px}.teacher-name{font-size:5.6cqw}.teacher-subheading{font-size:9px}.side-arrow{width:18px;font-size:25px}.principle-card{padding:12px 10px;gap:12px}.principle-card h3{font-size:18px}.course-caption{padding:9px}.course-caption h3{font-size:16px}}

/* Keep adjacent cards in view while centering the current text passage. */
.horizontal-content{padding-left:0;padding-right:0}.swipe-deck{padding-inline:14%;scroll-padding-inline:14%;scroll-snap-type:x mandatory}.principle-card,.course-card{flex-basis:100%;scroll-snap-align:center}.principle-card{padding:18px;justify-content:space-between;gap:15px}.principle-card h3{font-size:24px;line-height:1.15}.principle-card .principle-lead{font-size:14px;line-height:1.45}.principle-card p{font-size:12px;line-height:1.65}.principle-card .feature-action{margin-top:0;width:auto;align-self:flex-start;padding-inline:12px}.side-arrow{background:#05101bd9;border:1px solid #385568;border-radius:20px;width:24px;height:39px;font-size:25px}.side-arrow.previous{left:3px}.side-arrow.next{right:3px}.course-caption{padding:15px}.course-caption h3{font-size:22px}.course-caption .feature-action{width:auto;padding-inline:12px}
@media(max-width:1100px){.principle-card{padding:15px;gap:12px}.principle-card h3{font-size:22px}.principle-card .principle-lead{font-size:13px}.principle-card p{font-size:11px}}
@media(max-width:700px){.horizontal-content{padding-inline:0}.principle-card{padding:15px}.principle-card h3{font-size:22px}.principle-card .principle-lead{font-size:13px}.principle-card p{font-size:11px}.side-arrow{width:22px}}

/* Revision 6: two-level hero, consistent invitations, unmistakable Lessons. */
.practice-intro h1{font:400 clamp(36px,3vw,48px)/1.12 Georgia,serif;letter-spacing:-.04em;margin:0 0 7px}.practice-intro .proposition{font:italic 22px/1.4 Georgia,serif;color:#aecbd8;margin:0 0 24px}.practice-intro .proposition br{display:initial}.entry-section .entry-heading,.teacher-section .entry-heading{position:relative;padding:15px 14px;min-height:79px;gap:9px;align-items:flex-start;justify-content:center;border-radius:11px;background:linear-gradient(110deg,#9ccdea06,transparent)}.entry-section .heading-name,.teacher-section .teacher-name{white-space:nowrap;font:400 clamp(16px,5.6cqw,24px)/1.12 Georgia,serif;letter-spacing:-.035em;color:#e5f2fb;text-shadow:0 0 20px #b8e0ff0c}.entry-subheading,.teacher-section .teacher-subheading{font:400 9px/1.45 ui-sans-serif,sans-serif;letter-spacing:.015em;color:#8bafc5;max-width:calc(100% - 25px)}.entry-cue{position:absolute;right:13px;bottom:12px;width:21px;height:21px;border:1px solid #53788f;border-radius:50%;display:grid;place-items:center;color:#b5d9ef}.entry-cue:before{content:'+';font:300 17px/1 ui-sans-serif,sans-serif}.entry-heading[aria-expanded=true] .entry-cue:before{content:'−'}.entry-section:has(.entry-heading:hover){border-color:#86b3cd;box-shadow:inset 0 0 22px #9dd5ff0a}.entry-heading:hover{background:linear-gradient(110deg,#a5d8ff12,#77b2d608)}.experience{grid-template-rows:minmax(0,1fr) 152px}.lesson-shelf{padding-top:9px}.lesson-shelf header{height:31px;margin:0 17px 7px}.lesson-shelf h2{font:400 25px/1.1 Georgia,serif;letter-spacing:-.02em;color:#e1f1fb}.lesson-shelf #lesson-count{font:400 10px/1.2 ui-sans-serif,sans-serif;color:#87a8bc;letter-spacing:0;margin-left:14px}.lesson-rail{height:99px;padding-top:4px}.lesson-card{height:93px;transition:border-color 150ms,box-shadow 150ms,transform 150ms}.lesson-card:hover,.lesson-card:focus-visible{border-color:#bee7fb;box-shadow:0 0 15px #9dd9fc35;transform:translateY(-3px)}.lesson-card:hover>img{filter:brightness(1.18)}.lesson-card:hover .lesson-caption strong{color:#fff}.lesson-card:focus-visible{outline:2px solid #d0efff;outline-offset:-3px}
@media(max-width:1100px){.practice-intro h1{font-size:38px}.practice-intro .proposition{font-size:22px}.practice-intro .proposition br{display:initial}}
@media(max-width:700px){.practice-intro h1{font-size:38px}.practice-intro .proposition{font-size:20px;line-height:1.3;margin-bottom:18px}.practice-intro .proposition br{display:none}.entry-section .entry-heading,.teacher-section .entry-heading{min-height:73px;padding:12px 13px;gap:8px}.entry-section .heading-name,.teacher-section .teacher-name{font-size:5.6cqw}.entry-subheading,.teacher-section .teacher-subheading{font-size:8px}.lesson-shelf{height:138px}.study-side{bottom:138px}.world-stage{bottom:138px}.lesson-shelf header{height:27px;margin-inline:17px;margin-bottom:5px}.lesson-shelf h2{font-size:23px}.lesson-shelf #lesson-count{font-size:9px;margin-left:11px}.lesson-rail{height:90px}.lesson-card{height:86px}}
@media(prefers-reduced-motion:reduce){.lesson-card{transition:none}.lesson-card:hover,.lesson-card:focus-visible{transform:none}}
/* Charcoal editorial copy: structure, separators, and substantial text. */
.study-side{background:linear-gradient(155deg,#080d12,#030609);border-color:#2d2d2f;color:#e7f2f8}.practice-intro .proposition{color:#aecbd8}.entry-section{background:#080e14;border-color:#293b48}.entry-section.is-active{background:linear-gradient(140deg,#101b24,#050a0f);border-color:#526e80}.entry-section .entry-heading,.teacher-section .entry-heading{background:linear-gradient(110deg,#ffffff04,transparent)}.entry-section .heading-name,.teacher-section .teacher-name{color:#e5f2fb;text-shadow:none}.entry-subheading,.teacher-section .teacher-subheading{color:#93aab9}.entry-cue{border-color:#656567;color:#ddd}.entry-section:has(.entry-heading:hover){border-color:#a1a1a4;box-shadow:inset 0 0 22px #ffffff06}.entry-heading:hover{background:#ffffff06}.swipe-deck{padding-inline:9%;scroll-padding-inline:9%}.editorial-card{background:linear-gradient(150deg,#14202b,#0a1118);border:1px solid #354956;border-radius:11px;padding:17px;display:flex;flex-direction:column;justify-content:flex-start;gap:12px;color:#cfdee7}.editorial-card header{flex-shrink:0}.editorial-card h3{font:400 24px/1.13 Georgia,serif;letter-spacing:-.02em;margin:0 0 9px;color:#e5f2fb}.editorial-card .card-introduction{font-size:12px;line-height:1.5;color:#aec5d3;margin:0}.card-sections{display:flex;flex:1;min-height:0;flex-direction:column;justify-content:space-between;gap:10px}.card-sections section{border-top:1px solid #3d3d40;padding-top:10px}.card-sections h4{font:500 11px/1.3 ui-sans-serif,sans-serif;letter-spacing:.015em;color:#dbeaf3;margin:0 0 6px}.card-sections p,.editorial-card .card-ending{font-size:12px;line-height:1.55;color:#9fb3c2;margin:0}.editorial-card .card-ending{border-top:1px solid #3d3d40;padding-top:10px;flex-shrink:0;color:#bccfdd}.side-arrow{background:#111113e8;border-color:#535357;color:#b8d4e5}.side-arrow:hover{background:#262628;color:#fff}.practice-invitation p{color:#d8edf9}.practice-invitation>span{color:#8196a5}.side-links a{color:#a8cadc;border-color:#3c586b}.prototype-note{color:#617e91;border-color:#282829}.course-tools button{color:#bfdded;border-color:#577082}.course-tools span{color:#7895a8}.course-card{border-color:#354956;background:#09090a}.course-card:after{background:linear-gradient(180deg,#05050522,#050505ec)}.course-caption h3{color:#e0f1fb}.course-caption>span{color:#9cbbcd}.study-side .feature-action,.study-side .primary,.study-side .secondary,.study-side .option-button{background:#14232e;color:#dcecf7;border-color:#646467}.study-side .feature-action:hover,.study-side .primary:hover{background:#213443}.study-side button:focus-visible,.study-side a:focus-visible{outline-color:#b9deef}.study-side .detail-back,.study-side .detail-paging button,.study-side .detail-title{color:#b9d3e4}.study-side .detail-copy,.study-side .small,.study-side .field{color:#9fb5c5}.study-side input,.study-side textarea{background:#131315;border-color:#555558;color:#e3eff8}.lesson-shelf{background:#09090a;border-color:#333335}.lesson-shelf h2{color:#e1f1fb}.lesson-shelf #lesson-count,.motion-toggle{color:#87a8bc}.lesson-card{border-color:#344650}.lesson-card:after{background:linear-gradient(180deg,#0000 10%,#05050540 35%,#050505f2 100%)}.lesson-caption strong{color:#dcecf6}.lesson-caption small{color:#abc4d4}.lesson-card:hover,.lesson-card:focus-visible{border-color:#bee7fb;box-shadow:0 0 15px #9dd9fc26}.plan-badge.mathematics{color:#c6e4fc;background:#29292bee;border-color:#7d7d80}.mobile-switch{background:#101011;border-color:#333}.mobile-switch button{color:#aaa}.mobile-switch button[aria-pressed=true]{background:#303033;color:#eee}
@media(max-width:1100px){.editorial-card{padding:13px;gap:10px}.editorial-card h3{font-size:21px;margin-bottom:7px}.editorial-card .card-introduction{font-size:11px}.card-sections p,.editorial-card .card-ending{font-size:11px;line-height:1.5}.card-sections{gap:8px}.card-sections section,.editorial-card .card-ending{padding-top:8px}.card-sections h4{font-size:10px;margin-bottom:5px}}
@media(max-width:700px){.entry-section .entry-heading,.teacher-section .entry-heading{min-height:59px;padding-block:9px;gap:6px}.practice-footer{padding-top:7px}.side-links{margin-top:6px}.editorial-card{padding:13px;gap:9px}.editorial-card h3{font-size:21px}.editorial-card .card-introduction{font-size:11px;line-height:1.4}.card-sections h4{font-size:10px}.card-sections p,.editorial-card .card-ending{font-size:11px;line-height:1.45}.card-sections section{padding-top:8px}}

/* Restore the original introductory copy and restrained blue-black palette. */
.practice-intro .eyebrow{margin:0 0 11px;color:#8ba5b6}.practice-intro .proposition{margin-bottom:14px}.practice-intro .intro{margin:0 0 18px;color:#9db0bc;font-size:11px;line-height:1.7}.editorial-card{gap:10px}.card-sections{justify-content:space-between}.editorial-card .card-ending{font-size:11px}.lesson-shelf h2{white-space:nowrap}
@media(max-width:700px){.practice-intro h1{font-size:34px}.practice-intro .proposition{font-size:18px;margin-bottom:8px}.practice-intro .intro{font-size:10px;line-height:1.45;margin-bottom:10px}.entry-section .entry-heading,.teacher-section .entry-heading{min-height:54px;padding-block:7px;gap:4px}.editorial-card{padding:10px;gap:6px}.editorial-card h3{font-size:18px;margin-bottom:5px}.editorial-card .card-introduction{font-size:10px;line-height:1.3}.card-sections{gap:6px}.card-sections h4{font-size:9px;margin-bottom:4px}.card-sections p,.editorial-card .card-ending{font-size:10px;line-height:1.35}.card-sections section,.editorial-card .card-ending{padding-top:6px}.lesson-shelf h2{font-size:23px}.lesson-shelf #lesson-count{font-size:8px;margin-left:8px}.practice-invitation p{font-size:19px}}

/* Final composition: cool light, blue-black surfaces, legible editorial sections. */
.study-side{background:linear-gradient(155deg,#080e14,#03070b)}
.entry-section{border-color:#293b48;background:#080f15}
.entry-section.is-active{background:linear-gradient(145deg,#101b24,#070d13);border-color:#506a7b}
.editorial-card{background:linear-gradient(155deg,#111e28,#09121a);border-color:#354b5b;padding:17px 18px;gap:13px}
.editorial-card h3{font-size:25px;font-weight:400;line-height:1.12;letter-spacing:-.025em;color:#e6f2f9}
.editorial-card .card-introduction{color:#b9d2e0;font-size:12px;line-height:1.5}
.card-sections{justify-content:space-between;gap:14px}
.card-sections section{border-color:#304450;padding-top:12px}
.card-sections h4{color:#deebf3;font-size:11px;font-weight:550;letter-spacing:.01em;margin-bottom:7px}
.card-sections p{color:#b0c3d0;font-size:12px;line-height:1.55}
.editorial-card .card-ending{border-color:#304450;color:#c5dbe8;line-height:1.5}
.side-arrow{background:#08121cf0;border-color:#486475;color:#c2deed}
.side-arrow:hover{background:#1c3040}
.entry-cue{border-color:#486475;color:#bad3e2}
.entry-subheading,.teacher-section .teacher-subheading{color:#9bb5c6}
.lesson-shelf{background:#040a0e;border-color:#263b48}
.lesson-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.lesson-tools button{border:0;background:none;color:#a8c7d8;font-size:10px;padding:4px 0;white-space:nowrap}
.lesson-tools #browse-lessons{border-bottom:1px solid #3c5869}
.lesson-tools button:hover{color:#e5f5ff}
.lesson-tools #motion-toggle{min-width:29px}
.lesson-shelf #lesson-count{color:#8dacbf}
.plan-badge.mathematics{background:#122b3bee;border-color:#547991;color:#c6e4fc}
@media(max-width:1100px){.editorial-card{padding:13px;gap:9px}.editorial-card h3{font-size:22px}.card-sections{gap:10px}.card-sections section{padding-top:9px}.card-sections p{font-size:11px;line-height:1.5}.editorial-card .card-introduction{font-size:11px}.card-sections h4{font-size:10px;margin-bottom:5px}}
@media(max-width:700px){.editorial-card{padding:13px;gap:9px}.editorial-card h3{font-size:21px;margin-bottom:6px}.editorial-card .card-introduction{font-size:11px;line-height:1.35}.card-sections{gap:8px}.card-sections section{padding-top:8px}.card-sections p,.editorial-card .card-ending{font-size:11px;line-height:1.4}.card-sections h4{font-size:10px;margin-bottom:5px}.lesson-shelf #lesson-count{display:none}.lesson-tools{gap:12px}.lesson-tools button{font-size:9px}}
@media(max-height:760px){.practice-intro h1{font-size:32px}.practice-intro .proposition{font-size:18px;line-height:1.25;margin-bottom:7px}.practice-intro .intro{font-size:10px;line-height:1.4;margin-bottom:10px}.practice-intro .eyebrow{margin-bottom:6px}.entry-section .entry-heading{min-height:55px;padding-block:8px;gap:4px}.editorial-card{padding:11px;gap:7px}.editorial-card h3{font-size:20px;margin-bottom:5px}.editorial-card .card-introduction,.card-sections p,.editorial-card .card-ending{font-size:10px;line-height:1.4}.card-sections{gap:7px}.card-sections section{padding-top:7px}.card-sections h4{font-size:10px;margin-bottom:4px}}

/* Editorial hierarchy and a flush opening card. */
.horizontal-content{padding-left:14px;padding-right:0}
.swipe-deck{padding:0 6% 0 0;scroll-padding:0}
.principle-card,.course-card{flex-basis:94%;scroll-snap-align:center}
.principle-card:first-child,.course-card:first-child{scroll-snap-align:start}
.editorial-card header{padding-bottom:2px}
.editorial-card h3{font-size:28px;line-height:1.06;letter-spacing:-.035em;margin-bottom:11px;max-width:13em}
.editorial-card .card-introduction{font:italic 15px/1.4 Georgia,serif;color:#aecddd}
.card-sections h4{font:600 9px/1.4 ui-sans-serif,sans-serif;text-transform:uppercase;letter-spacing:.13em;color:#89b0c7;margin-bottom:8px}
.card-sections p{font-size:12px;line-height:1.6;color:#c0d0db}
.editorial-card .card-ending{font:italic 13px/1.45 Georgia,serif;color:#d0e4ef}
.entry-subheading,.teacher-section .teacher-subheading{max-width:100%}
.entry-heading:hover .heading-name{color:#fff;text-shadow:0 0 24px #b0def52a}
@media(max-width:1100px){.editorial-card h3{font-size:24px;margin-bottom:8px}.editorial-card .card-introduction{font-size:13px}.card-sections h4{font-size:8px;margin-bottom:6px}.card-sections p{font-size:11px;line-height:1.5}.editorial-card .card-ending{font-size:12px}}
@media(max-width:700px){.horizontal-content{padding-left:12px}.editorial-card h3{font-size:24px}.editorial-card .card-introduction{font-size:13px;line-height:1.35}.card-sections h4{font-size:8px;letter-spacing:.1em;margin-bottom:5px}.card-sections p{font-size:11px;line-height:1.45}.editorial-card .card-ending{font-size:12px;line-height:1.35}}
@media(max-height:760px){.editorial-card h3{font-size:22px;margin-bottom:6px}.editorial-card .card-introduction{font-size:12px;line-height:1.3}.card-sections p{font-size:10px;line-height:1.4}.editorial-card .card-ending{font-size:11px}}

/* The outer section frames the approach; the inset cards carry its content. */
.entry-section.is-active{background:#080f15;border-color:#354b5b}
.entry-section.is-active .entry-heading{background:none}
.editorial-card{box-shadow:0 6px 20px #00000020;border-color:#354b5b}
.course-explanation{flex-shrink:0;padding:0 16px;margin:0 0 12px;font:400 12px/1.6 ui-sans-serif,sans-serif;color:#b0c6d4}
.course-tools{padding-inline:16px;padding-bottom:12px}
.course-tools button{font-size:11px}
.course-card{border-color:#2b4252}
@media(max-width:700px){.course-explanation{font-size:11px;line-height:1.45;margin-bottom:9px;padding-inline:13px}.course-tools{padding-inline:13px;padding-bottom:9px}.course-tools button{font-size:10px}}

/* Keep the copy readable within the viewport at both panel widths. */
@media(min-width:701px){.entry-section .entry-heading,.teacher-section .entry-heading{min-height:67px;padding-block:11px;gap:7px}.editorial-card{gap:10px}.editorial-card h3{font-size:26px}.editorial-card .card-introduction{font-size:14px}.card-sections{gap:10px}.card-sections section{padding-top:10px}}
@media(max-width:700px){.editorial-card{padding:11px;gap:6px}.editorial-card h3{font-size:23px;margin-bottom:6px}.editorial-card .card-introduction{font-size:12px;line-height:1.35}.card-sections{gap:7px}.card-sections p{line-height:1.4}.card-sections section{padding-top:7px}}

@media(min-width:701px) and (max-width:1100px){.editorial-card h3{font-size:22px}.editorial-card .card-introduction{font-size:12px}.card-sections p{font-size:11px;line-height:1.45}}

@media(min-width:701px){.card-sections p{line-height:1.5}.card-sections h4{margin-bottom:6px}.card-sections section{padding-top:8px}.card-sections{gap:8px}}

@media(min-width:701px) and (max-width:1100px){
 .practice-intro h1{font-size:34px}
 .practice-intro .proposition{font-size:18px;line-height:1.3;margin-bottom:9px}
 .practice-intro .proposition br{display:none}
 .practice-intro .intro{font-size:10px;line-height:1.45;margin-bottom:12px}
 .practice-intro .eyebrow{margin-bottom:7px}
 .entry-section .entry-heading,.teacher-section .entry-heading{min-height:55px;padding-block:8px;gap:5px}
 .practice-invitation{gap:8px}.practice-invitation p{font-size:18px;white-space:nowrap}
 .practice-invitation>span{font-size:7px}.side-links{gap:5px 9px}.side-links a{font-size:8px}
 .course-explanation{font-size:11px;line-height:1.45}
}

/* Compact lesson directory: only its result list scrolls vertically. */
.section-detail.lesson-browser{display:grid;grid-template-rows:20px auto 25px minmax(0,1fr);gap:5px;padding:0 14px 12px;overflow:hidden}
.lesson-search-field{display:grid;gap:5px;font-size:10px;color:#b7cfde;padding:3px}
.study-side .lesson-search-field input{width:100%;min-width:0;box-sizing:border-box;margin:0;border:1px solid #3b596c;border-radius:8px;background:#08141e;color:#e3f0f8;padding:9px 11px;min-height:36px;font-size:12px;outline:none;box-shadow:none}
.study-side .lesson-search-field input:focus{border-color:#91bed7;box-shadow:0 0 0 2px #80bada26;outline:none}
.lesson-results-heading{display:flex;justify-content:space-between;align-items:center;padding:0 3px;color:#c7dce9;font-size:11px}
#lesson-result-count{font-size:9px;color:#8eafc4}
.lesson-browser .directory-results{min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#456477 #0a131b;padding:0 4px 3px 3px}
.lesson-browser .search-lesson{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:49px;padding:8px 7px;border:0;border-bottom:1px solid #29404f;background:transparent;border-radius:0;text-align:left}
.lesson-browser .search-lesson:hover,.lesson-browser .search-lesson:focus-visible{background:#152b3b;border-radius:6px;outline:1px solid #638ba3;outline-offset:-1px}
.lesson-row-copy{min-width:0;flex:1}.lesson-browser .search-lesson strong{font-size:11px;line-height:1.35;font-weight:500;color:#dfedf6}
.lesson-browser .search-lesson small{font-size:9px;line-height:1.3;margin:3px 0 0;color:#89aabc}
.lesson-browser .search-lesson .plan-badge{flex-shrink:0;font-size:7px;padding:3px 5px;white-space:nowrap}
.lesson-shelf h2{display:flex;align-items:center;gap:14px}
.lesson-shelf #lesson-count{display:inline-flex;align-items:center;gap:6px;margin:0;font:400 9px/1.2 ui-sans-serif,sans-serif;white-space:nowrap}
.availability-badge{display:inline-block;border:1px solid #365162;border-radius:6px;padding:5px 7px;background:#101e28;color:#bdd3e1}
.free-availability{background:#10261f;border-color:#365b4c;color:#b9ddca}
@media(max-width:700px){.lesson-shelf h2{font-size:19px;gap:7px}.lesson-shelf #lesson-count{display:inline-flex;font-size:7px;gap:4px}.availability-badge{padding:4px}.lesson-tools{gap:7px}.lesson-tools button{font-size:8px}.lesson-shelf header{margin-inline:12px}.section-detail.lesson-browser{padding-inline:11px}.lesson-browser .search-lesson{min-height:47px;padding-inline:5px;gap:7px}}

/* Worlds lead visually; lesson artwork is a quieter, vignetted backdrop. */
.lesson-card>img{opacity:.52;filter:saturate(.65);object-position:center}
.lesson-card:after{background:linear-gradient(90deg,#050c13c9,#050c1340 65%,#050c1366),linear-gradient(180deg,#050c1326,#050c1366 42%,#050c13f5 100%)}
.lesson-card:hover>img{filter:saturate(.8) brightness(1.08);opacity:.62}
.lesson-card{border-color:#2d4351;background:#050c13}
.lesson-card:hover,.lesson-card:focus-visible{border-color:#7fa8bf;box-shadow:0 0 12px #8bc2e91c}
/* Brand or study context above the title; compact descriptors beneath it. */
.entry-overline{font:500 8px/1.2 ui-sans-serif,sans-serif;letter-spacing:.1em;color:#a4c7dc}
.entry-badges{display:flex;gap:5px;flex-wrap:nowrap;margin-top:1px}
.entry-badges>span{font:400 8px/1.2 ui-sans-serif,sans-serif;color:#adc7d7;border:1px solid #314a5c;background:#10202c;border-radius:4px;padding:2px 5px}
.entry-section[data-section] .entry-heading{gap:4px;padding-block:8px;min-height:70px}
@media(max-width:1100px){.entry-section[data-section] .entry-heading{gap:3px;padding-block:6px;min-height:57px}.entry-overline{font-size:7px}.entry-badges>span{font-size:7px;padding:1px 4px}}

.entry-badges>span{white-space:nowrap}

.lesson-browser .search-lesson{min-height:43px;padding-block:6px}
@media(max-width:700px){.entry-section[data-section] .entry-heading{padding-block:4px;min-height:56px;gap:3px}.editorial-card h3{margin-bottom:4px}.card-sections section{padding-top:6px}}

@media(min-width:1101px){.entry-section[data-section] .entry-heading{min-height:67px;padding-block:3px}}
@media(min-width:701px) and (max-width:1100px){.entry-section[data-section] .entry-heading{min-height:53px;padding-block:3px}}

/* Reuse canonical account particles as invitations on the closed approaches. */
.entry-heading{isolation:isolate;overflow:hidden}
.entry-heading>span{position:relative;z-index:1}
.entry-heading .account-entry-art[data-style=particles]{opacity:.8;mask-image:linear-gradient(90deg,transparent 20%,#0009 58%,#000 100%)}
.entry-section:not(.is-active){border-color:#43657b;background:linear-gradient(110deg,#0b1720,#132f42)}
.entry-section:not(.is-active) .entry-heading{background:transparent}
.entry-section:not(.is-active) .heading-name{color:#ecf7ff}
.entry-section:not(.is-active):hover{border-color:#8dc3e1;background:linear-gradient(110deg,#10212e,#1a3a50)}
.entry-section.is-active .account-entry-art{opacity:0!important}
.entry-section.is-active .account-entry-art i,.page-inactive .entry-heading .account-entry-art i{animation-play-state:paused}
body[data-mobile-view=worlds] .entry-heading .account-entry-art i{animation-play-state:paused}
@media(min-width:701px){body[data-mobile-view=worlds]:not(.page-inactive) .entry-section:not(.is-active) .account-entry-art i{animation-play-state:running}}
/* Audience material has its own reading space, independent of all three routes. */
#main.audience-mode #accordion-sections{flex:0 0 auto}
#main.audience-mode .practice-footer{display:flex;flex:1;flex-direction:column;min-height:0;overflow:hidden}
#main.audience-mode .practice-invitation,#main.audience-mode .side-links{flex-shrink:0}
.side-links a.is-selected{color:#e3f3fc;border-bottom-color:#b2def5}
#audience-panel{display:flex;flex:1;flex-direction:column;min-height:0;margin-top:12px;border-top:1px solid #355064;padding-top:11px;overflow:hidden}
.audience-panel-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-bottom:8px;flex-shrink:0}
.audience-panel-heading h3{font:400 20px/1.15 Georgia,serif;margin:0;color:#e0f0fa}
.audience-panel-heading button{border:0;border-bottom:1px solid #456477;background:none;color:#a5c6da;font-size:9px;padding:2px}
.audience-reading{overflow-y:auto;overflow-x:hidden;min-height:0;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#456477 #08121b;padding:0 9px 8px 2px}
.audience-intro{font:italic 16px/1.4 Georgia,serif;color:#bad8e8;margin:0 0 15px}
.audience-reading section{padding:12px 0;border-top:1px solid #273d4c}
.audience-reading h4{font:500 12px/1.35 ui-sans-serif,sans-serif;color:#d2e6f2;margin:0 0 6px}
.audience-reading p{font-size:12px;line-height:1.6;color:#abc3d3;margin:0}
.audience-reading .audience-intro{font:italic 16px/1.4 Georgia,serif;margin-bottom:12px;color:#c0deed}
.audience-reading .audience-note{font-size:10px;color:#829faf;border-top:1px solid #273d4c;padding-top:10px}
@media(max-width:1100px){.audience-panel-heading h3{font-size:18px}.audience-reading p{font-size:11px}.audience-reading h4{font-size:11px}}
@media(max-width:700px){#audience-panel{margin-top:9px;padding-top:8px}.audience-reading section{padding-block:10px}.audience-reading .audience-intro{font-size:15px}}

/* Preserve the generous heading rhythm; the brand context is not a footnote. */
.entry-section[data-section] .entry-heading{padding-block:9px;gap:5px;min-height:79px}
.entry-badges{gap:4px}.entry-badges>span{padding-inline:4px}
@media(max-width:1100px){.entry-section[data-section] .entry-heading{padding-block:7px;gap:4px;min-height:63px}.entry-badges>span{padding-inline:3px}}
@media(max-width:700px){.entry-section[data-section] .entry-heading{padding-block:6px;gap:4px;min-height:62px}}

/* Adapt the reading surface, not the spacing of the three entry headings. */
.editorial-card{padding:clamp(10px,4.7cqh,17px);gap:clamp(6px,2.5cqh,10px)}
.editorial-card h3{font-size:clamp(20px,8.3cqh,26px);margin-bottom:clamp(5px,2.3cqh,9px)}
.editorial-card .card-introduction{font-size:clamp(11px,4.6cqh,14px);line-height:1.35}
.card-sections{gap:clamp(6px,2.5cqh,10px)}
.card-sections section{padding-top:clamp(6px,2.5cqh,9px)}
.card-sections p{font-size:clamp(10px,3.9cqh,12px);line-height:1.45}
.card-sections h4{margin-bottom:5px}

/* World Parallax: explanatory entry heading and a restrained territory control. */
.world-stage{container-type:inline-size}
.world-stage .sfi-parallax-header{grid-template-columns:minmax(0,1fr) auto;gap:24px}
.world-stage .sfi-parallax-navigation{grid-column:2;grid-row:1;justify-self:end;justify-items:end;align-self:center;gap:10px;max-width:390px}
.world-stage .sfi-parallax-count{grid-column:auto;grid-row:auto;justify-self:auto;margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;color:#a9c4d4;font:400 12px/1.5 ui-sans-serif,sans-serif;letter-spacing:0;text-transform:none;text-align:right}
.world-stage .sfi-parallax-location{font-size:9px;letter-spacing:.24em;color:#cee6f4;text-shadow:none;grid-template-columns:30px auto 30px;gap:10px}
.world-stage .sfi-parallax-depth-control{width:min(calc(100% - 56px),560px);grid-template-columns:88px minmax(0,1fr) 88px;gap:12px;padding:6px 10px;border-radius:12px;border-color:#304857;background:#08121be8;box-shadow:inset 0 1px 0 #c6e7fa08;backdrop-filter:none;-webkit-backdrop-filter:none}
.world-stage .sfi-parallax-depth-control::before,.world-stage .sfi-parallax-depth-rail::before{display:none}
.world-stage .sfi-parallax-depth-label{width:auto;height:27px;border:1px solid #3d596b;border-radius:6px;background:#10202b;color:#d5e8f3;box-shadow:none;text-shadow:none;font:400 12px/1 Georgia,serif;letter-spacing:.015em}
.world-stage .sfi-parallax-depth-rail{width:100%;height:28px}
.world-stage .sfi-parallax-depth-control input{height:28px}
.world-stage .sfi-parallax-depth-control input::-webkit-slider-runnable-track{height:3px;border:0;background:linear-gradient(90deg,#a7cbdc,#769bbb) 0 0 / var(--depth-progress) 100% no-repeat,#273c4c;box-shadow:none}
.world-stage .sfi-parallax-depth-control input::-moz-range-track{height:3px;border:0;background:#273c4c;box-shadow:none}
.world-stage .sfi-parallax-depth-control input::-moz-range-progress{height:3px;background:#8eb3cd}
.world-stage .sfi-parallax-depth-control input::-webkit-slider-thumb{width:14px;height:14px;margin-top:-5.5px;border:1px solid #c4dfeF;background:#9bc0d6;box-shadow:0 1px 3px #0006}
.world-stage .sfi-parallax-depth-control input::-moz-range-thumb{width:14px;height:14px;border:1px solid #c4dfef;background:#9bc0d6;box-shadow:0 1px 3px #0006}
@container(max-width:760px){
 .world-stage .sfi-parallax-header{grid-template-columns:1fr;gap:14px}
 .world-stage .sfi-parallax-navigation{grid-column:1;grid-row:2;justify-self:start;justify-items:start;gap:8px;max-width:100%}
 .world-stage .sfi-parallax-count{text-align:left;font-size:11px}
 .world-stage .sfi-parallax-location{font-size:8px;grid-template-columns:20px auto 20px}
 .world-stage .sfi-parallax-depth-control{width:calc(100% - 40px);grid-template-columns:78px minmax(0,1fr) 78px;gap:10px;padding:5px 9px}
 .world-stage .sfi-parallax-depth-label{font-size:11px;height:26px}
}

.world-stage .sfi-parallax-navigation{gap:7px}
.worlds-invitation{margin:0;color:#93b6cd;font:400 10px/1.3 ui-sans-serif,sans-serif;letter-spacing:.08em}
.world-stage .sfi-parallax-location{font-size:15px;line-height:1.2;letter-spacing:.18em;grid-template-columns:24px auto 24px;gap:12px;margin-bottom:3px}
.worlds-perception{margin:0;font:italic 12px/1.4 Georgia,serif;color:#8dacbf}
@container(max-width:760px){.world-stage .sfi-parallax-navigation{gap:5px}.worlds-invitation{font-size:9px}.world-stage .sfi-parallax-location{font-size:13px;margin-bottom:2px}.worlds-perception{font-size:11px}}

.world-stage .sfi-parallax-depth-control input{padding:0;min-height:0;display:block;box-sizing:border-box;align-self:center}
@media(max-width:700px){body[data-mobile-view=worlds] .study-side *{visibility:hidden!important;pointer-events:none!important}}
@container(max-width:640px){.world-stage .sfi-parallax-scene{top:48px}}

@media(max-width:1100px){.entry-section[data-section=explore] .entry-badges{gap:3px}.entry-section[data-section=explore] .entry-badges>span{padding-inline:2px}}

@media(min-width:701px) and (max-width:1100px){.editorial-card h3{font-size:20px}.editorial-card .card-introduction{font-size:12px}}
.world-stage .sfi-parallax-navigation{display:grid}

/* Center the Worlds section heading independently of the product identity. */
.world-stage .sfi-parallax-header{grid-template-columns:1fr;gap:18px}
.world-stage .sfi-parallax-navigation{grid-column:1 / -1;grid-row:2;justify-self:center;justify-items:center;width:100%;max-width:none;gap:9px}
.world-stage .sfi-parallax-location{font-size:16px;font-weight:500;letter-spacing:.2em;line-height:1.2;grid-template-columns:minmax(28px,64px) auto minmax(28px,64px);gap:16px;margin:0;color:#d5eaf6}
.world-stage .sfi-parallax-location::before,.world-stage .sfi-parallax-location::after{background:linear-gradient(90deg,transparent,#719fb66b);box-shadow:none;height:1px}
.world-stage .sfi-parallax-count{justify-self:center;text-align:center;font-size:12px;line-height:1.5;max-width:480px;color:#9ebdcc}
.world-stage .sfi-parallax-depth-control{background:radial-gradient(ellipse at var(--depth-progress) 50%,#8ecff30d,transparent 34%),linear-gradient(135deg,#0d1a25ee,#061019ee);border-color:#3a5669;box-shadow:inset 0 1px 0 #d4edff0c,0 0 16px #79bcdf09}
.world-stage .sfi-parallax-depth-control input::-webkit-slider-runnable-track{height:4px;background:linear-gradient(90deg,#b9e0ed,#78b6d5) 0 0 / var(--depth-progress) 100% no-repeat,#2a4051;box-shadow:0 0 9px #8ac7ed2b}
.world-stage .sfi-parallax-depth-control input::-moz-range-track{height:4px;box-shadow:0 0 9px #8ac7ed2b}
.world-stage .sfi-parallax-depth-control input::-moz-range-progress{height:4px;background:linear-gradient(90deg,#b9e0ed,#78b6d5)}
.world-stage .sfi-parallax-depth-control input::-webkit-slider-thumb{width:16px;height:16px;margin-top:-6px;background:#b6dcec;border-color:#d5effb;box-shadow:0 0 0 3px #9edaff12,0 0 13px #83c9ed59}
.world-stage .sfi-parallax-depth-control input::-moz-range-thumb{width:16px;height:16px;background:#b6dcec;border-color:#d5effb;box-shadow:0 0 0 3px #9edaff12,0 0 13px #83c9ed59}
@container(max-width:760px){.world-stage .sfi-parallax-header{gap:16px}.world-stage .sfi-parallax-location{font-size:14px;grid-template-columns:32px auto 32px;gap:12px}.world-stage .sfi-parallax-count{font-size:11px;max-width:330px}}

/* Continuous endpoint emphasis follows the actual territory value. */
.world-stage .sfi-parallax-depth-label{color:rgb(224 245 255 / var(--territory-text,.765));border-color:rgb(147 211 243 / var(--territory-border,.41));background:linear-gradient(rgb(105 189 231 / var(--territory-fill,.085)),rgb(105 189 231 / var(--territory-fill,.085))),#091622;box-shadow:0 0 14px rgb(102 194 238 / var(--territory-glow,.07)),inset 0 0 9px rgb(102 194 238 / var(--territory-glow,.07));text-shadow:0 0 8px rgb(144 214 247 / var(--territory-glow,.07))}

.lesson-card{width:205px;flex-basis:205px}
@media(max-width:700px){.lesson-card{width:190px;flex-basis:190px}}

.plan-badge.course-status{color:#bed7e6;border-color:#426175;background:#102330}
.lesson-browser .course-result .lesson-row-copy{display:block;margin:0;color:inherit}

/* An editorial invitation: quiet lead, expressive serif subject, unboxed live count. */
.world-stage .sfi-parallax-count{display:flex;flex-direction:column;align-items:center;gap:4px;max-width:100%;line-height:1.2}
.world-invitation-lead{font:400 9px/1.3 ui-sans-serif,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:#88a5b6}
.world-invitation-subject{font:italic 400 23px/1.2 Georgia,serif;letter-spacing:-.015em;color:#bad4e2;white-space:nowrap}
.world-count-number{font-style:normal;color:#edf7fc;font-variant-numeric:lining-nums tabular-nums}
@container(max-width:760px){.world-invitation-subject{font-size:21px}.world-invitation-lead{font-size:8px;letter-spacing:.15em}}

/* Share the top row with the corner brand where the stage has room. */
@container(min-width:760px){
 .world-stage .sfi-parallax-header{grid-template-columns:max-content minmax(0,1fr);gap:28px}
 .world-stage .sfi-parallax-header>.sfi-parallax-identity{grid-column:1;grid-row:1;justify-self:start}
 .world-stage .sfi-parallax-navigation{grid-column:2;grid-row:1;align-self:center;justify-self:end;justify-items:end;width:280px;max-width:100%}
 .world-stage .sfi-parallax-location{grid-template-columns:22px auto;gap:10px;font-size:14px}
 .world-stage .sfi-parallax-location::after{display:none}
 .world-stage .sfi-parallax-count{justify-self:end;align-items:flex-end;text-align:right}
}

.lesson-shelf #lesson-count{gap:4px}
.lesson-shelf #lesson-count .availability-badge{margin:0}

/* Reuse the canonical button flow, clipped to the count rather than a button. */
.world-count-flow{display:inline-block;vertical-align:-.26em;overflow:visible}
.world-count-flow-field{position:relative;width:100%;height:100%}
.world-count-flow-field .account-flow-art{background:transparent}
.world-count-flow-field .account-flow-art::before,.world-count-flow-field .account-flow-art::after{opacity:.72}
@media(prefers-reduced-motion:reduce){.world-count-flow-field .account-flow-art::before,.world-count-flow-field .account-flow-art::after{animation:none!important}}

/* Stable actions sit below the explanatory swipe deck. */
.approach-actions{display:flex;align-items:center;gap:8px;flex:none;padding:0 14px 12px}
.approach-actions button{min-height:32px;padding:7px 10px;border:1px solid #4a687b;border-radius:7px;background:linear-gradient(135deg,#193345,#0c1c28);color:#dcecf7;font:500 10px/1.2 ui-sans-serif,sans-serif;cursor:pointer}
.approach-actions button:hover{border-color:#a0c6dd;background:#203d50}
.approach-actions button:focus-visible{outline:2px solid #b8dcee;outline-offset:2px}
.teacher-actions button{width:100%}
.teacher-start-options{display:grid;gap:8px;margin:12px 0}
.teacher-start-options button{display:block;width:100%;text-align:left;padding:12px;border:1px solid #355264;border-radius:8px;background:#0c1b25;color:#dcecf7;break-inside:avoid}
.teacher-start-options strong{display:block;font:400 15px/1.25 Georgia,serif}
.teacher-start-options span{display:block;margin-top:6px;color:#96b3c5;font:400 10px/1.5 ui-sans-serif,sans-serif}
@media(max-width:700px){.approach-actions{padding:0 12px 9px;gap:6px}.approach-actions button{font-size:9px;min-height:30px;padding:6px 8px}}
@media(max-width:700px){
 .section-home:has(.approach-actions) .editorial-card{padding:9px 11px;gap:5px}
 .section-home:has(.approach-actions) .editorial-card h3{font-size:18px;margin-bottom:4px}
 .section-home:has(.approach-actions) .card-introduction{font-size:10px;line-height:1.3}
 .section-home:has(.approach-actions) .card-sections{gap:5px}
 .section-home:has(.approach-actions) .card-sections section{padding-top:5px}
 .section-home:has(.approach-actions) .card-sections h4{font-size:8px;margin-bottom:3px}
 .section-home:has(.approach-actions) .card-sections p{font-size:9px;line-height:1.35}
}

.world-stage .sfi-parallax-tagline{color:#fff;opacity:1}

.hero-title-flow{display:block;max-width:100%;overflow:visible}

.practice-intro .eyebrow{display:block;font-size:10px;letter-spacing:.18em}
.practice-intro .intro{margin-bottom:8px}
.practice-directions{font:400 11px/1.45 ui-sans-serif,sans-serif;color:#c6dce8;margin:0 0 12px}
.section-detail.course-overview{display:grid;grid-template-rows:23px minmax(0,1fr) auto;gap:6px;padding:0 16px 10px}
.course-overview-reading{min-height:0;overflow-y:auto;overflow-x:hidden;padding:3px 4px 12px;scrollbar-width:thin;scrollbar-color:#486376 transparent}
.course-overview .detail-title{margin:10px 0;font-size:22px}
.course-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:14px 0;border-block:1px solid #355062;padding:12px 0}
.course-facts strong{display:block;font:400 17px/1.2 Georgia,serif;color:#e0eff7}
.course-facts span{display:block;margin-top:5px;font:400 9px/1.4 ui-sans-serif,sans-serif;color:#9cb7c8}
.course-outline{list-style:none;margin:8px 0;padding:0}
.course-outline li{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid #2c4657}
.outline-number{font:400 15px Georgia,serif;color:#789aac;min-width:16px}
.course-outline strong{display:block;font:500 12px/1.4 ui-sans-serif,sans-serif;color:#deedf6}
.course-outline small{display:block;font:400 9px/1.4 ui-sans-serif,sans-serif;color:#8fb0c4;margin:4px 0}
.course-outline p{font:400 10px/1.5 ui-sans-serif,sans-serif;color:#b4cbd9;margin:5px 0 0}
.course-begin-bar{display:grid;gap:5px;border-top:1px solid #355062;padding-top:9px}
.course-begin-bar button{width:100%;min-height:32px;cursor:pointer}
.course-begin-bar small,.course-begin-bar>span{font:400 9px/1.4 ui-sans-serif,sans-serif;color:#9fbccc;text-align:center}
.course-draft-note{font:400 11px/1.6 ui-sans-serif,sans-serif;color:#adc4d3;padding:12px 0;border-block:1px solid #355062}
.course-caption .plan-badge{font:400 8px/1.2 ui-sans-serif,sans-serif;padding:4px 6px;width:fit-content}
@media(max-width:700px){.practice-intro .eyebrow{font-size:9px;margin-bottom:5px}.practice-directions{font-size:10px;margin-bottom:8px}.practice-intro .intro{margin-bottom:5px}.course-facts strong{font-size:15px}.section-detail.course-overview{padding-inline:11px}}

.teacher-actions{flex-direction:column;align-items:stretch;gap:6px}
.teacher-actions>p{font:400 10px/1.4 ui-sans-serif,sans-serif;color:#9fb9cb;margin:0}
.adam-waitlist{margin:0}
.adam-waitlist label{display:block;font:400 10px/1.4 ui-sans-serif,sans-serif;color:#c6dce8;margin-bottom:5px}
.adam-waitlist>div{display:flex;gap:6px}
.adam-waitlist input{min-width:0;flex:1;width:100%;height:32px;padding:6px 9px;border:1px solid #436278;border-radius:6px;background:#08151f;color:#e5f2f9;font:400 11px ui-sans-serif,sans-serif}
.adam-waitlist button{width:auto;flex:none}
.adam-waitlist p{font:400 8px/1.3 ui-sans-serif,sans-serif;color:#92adbf;margin:5px 0 0}
.adam-waitlist input:focus{outline:1px solid #b9d9ee;outline-offset:-2px}

button.course-card{padding:0;text-align:left;color:inherit;cursor:pointer;font:inherit}
button.course-card:focus-visible{outline:2px solid #bce4fa;outline-offset:-3px}
.course-level{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;margin:10px 0}
.course-level strong{font:500 10px ui-sans-serif,sans-serif;color:#d1e4f0;border:1px solid #49657a;border-radius:5px;padding:4px 6px}
.course-level span{font:400 9px/1.4 ui-sans-serif,sans-serif;color:#9bb6c8}
.section-detail.waitlist-invitation{display:grid;grid-template-rows:20px minmax(0,1fr);gap:0;padding:0 16px 12px}
.waitlist-welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:0;border:1px solid #415469;border-radius:11px;padding:12px 18px;background:radial-gradient(ellipse at 50% 0,#73499a25,transparent 75%),#09151f;container-type:size}
.waitlist-kicker{font:400 8px/1.3 ui-sans-serif,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:#b5a8cf}
.waitlist-welcome h3{font:400 clamp(20px,11cqh,28px)/1.1 Georgia,serif;margin:8px 0;color:#e5d8f7}
.waitlist-welcome>p{font:400 clamp(9px,4.5cqh,11px)/1.4 ui-sans-serif,sans-serif;color:#adc5d5;margin:0 0 10px;max-width:290px}
.waitlist-welcome .adam-waitlist{width:100%;max-width:290px;text-align:left}
.waitlist-welcome .adam-waitlist>input{display:block;width:100%}
.waitlist-welcome .adam-waitlist>button{display:block;width:100%;margin-top:7px}
.waitlist-welcome .adam-waitlist [role=status]{text-align:center}
@media(max-width:700px){.waitlist-welcome{padding:8px 12px}.waitlist-kicker{font-size:7px}.waitlist-welcome h3{margin:5px 0}.waitlist-welcome>p{margin-bottom:6px}.waitlist-welcome .adam-waitlist input{height:28px}.waitlist-welcome .adam-waitlist>button{min-height:28px;padding:5px 8px;margin-top:5px}}

/* The existing four-layer starscape spans the whole right panel. */
.study-side{position:relative;isolation:isolate}
.study-side>.account-entry-art{z-index:0;opacity:.58;mask-image:linear-gradient(180deg,#000b,#0007 55%,#000b)}
.study-side>#main,.study-side>.prototype-note{position:relative;z-index:1}
.page-inactive .study-side>.account-entry-art i{animation-play-state:paused}
@media(max-width:700px){body[data-mobile-view=worlds] .study-side>.account-entry-art i{animation-play-state:paused}}
@media(max-width:700px){
 .section-home:has(.approach-actions) .editorial-card{padding:7px 10px;gap:4px}
 .section-home:has(.approach-actions) .editorial-card h3{font-size:16px;margin-bottom:3px}
 .section-home:has(.approach-actions) .card-introduction{font-size:9px;line-height:1.25}
 .section-home:has(.approach-actions) .card-sections{gap:4px}
 .section-home:has(.approach-actions) .card-sections section{padding-top:4px}
 .section-home:has(.approach-actions) .card-sections h4{font-size:7.5px;margin-bottom:2px}
 .section-home:has(.approach-actions) .card-sections p{font-size:8.5px;line-height:1.25}
}

/* Every detail screen uses one vertical reading surface, never sideways pages. */
.section-detail{grid-template-rows:23px minmax(0,1fr);gap:6px;padding-bottom:10px}
.detail-reading{min-height:0;overflow-y:auto;overflow-x:hidden;padding:2px 3px 12px;scrollbar-width:thin;scrollbar-color:#486376 transparent}
.section-detail .sfi-account-panel.homepage-account-invitation{position:relative;inset:auto;transform:none;display:block;width:100%;height:auto;max-width:none;max-height:none;margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;z-index:auto;--sfi-muted:#a3bed0;--sfi-blue:#c4e6fa}
.section-detail .sfi-account-panel.homepage-account-invitation .sfi-account-welcome{padding:18px 14px;margin:0;border:1px solid #465e70;border-radius:11px;background:#08131d}
.section-detail .homepage-account-invitation .sfi-account-welcome h3{font:400 25px/1.15 Georgia,serif;margin:7px 0}
.homepage-account-invitation .account-course-requirement{font:400 10px/1.5 ui-sans-serif,sans-serif;color:#abc3d3;margin:10px 0}
.section-detail .homepage-account-invitation .sfi-account-welcome .sfi-account-primary.account-flow-action{width:100%;min-height:44px;padding:12px 14px;font-size:12px}
.section-detail .homepage-account-invitation .sfi-account-returning{font-size:10px;margin:7px 0}
.section-detail .homepage-account-invitation .sfi-account-returning button{font-size:10px;padding:5px 3px}
.section-detail .homepage-account-invitation .sfi-account-intro{font-size:11px;line-height:1.4;margin:7px 0}
.side-arrow{top:50%;transform:translateY(-50%);display:grid;place-items:center;width:28px;height:44px;padding:0;border:1px solid #b6c4cf;border-radius:9px;background:#28303beF;color:#fff;box-shadow:0 2px 12px #0009,0 0 9px #e0c8ff28}
.side-arrow svg{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.side-arrow:hover,.side-arrow:focus-visible{background:#424553;border-color:#fff;box-shadow:0 0 12px #d7c1f34d}
.side-arrow[hidden]{display:none!important}

.section-detail .sfi-account-panel.homepage-account-invitation[data-kind=account][data-signed-out=true] .sfi-account-welcome{padding:12px}
.section-detail .sfi-account-panel.homepage-account-invitation[data-kind=account][data-signed-out=true] .sfi-account-welcome h3{font-size:25px;line-height:1.15;margin:5px 0}
.section-detail .homepage-account-invitation .sfi-account-eyebrow{font-size:8px;line-height:1.3;margin:0 0 5px}
.section-detail .homepage-account-invitation .sfi-account-actions{margin-top:10px;gap:0}
.section-detail .homepage-account-invitation #course-account-status:empty{display:none}

#main .homepage-account-invitation .sfi-account-returning button{border:0;background:transparent;box-shadow:none;min-height:0;padding:5px 3px;color:#c4e6fa}

/* Contain canonical action artwork within the waiting-list button. */
.waitlist-welcome .account-flow-action{position:relative;isolation:isolate;overflow:hidden;background:#030409;color:#fff}

.waitlist-welcome{overflow-y:auto;justify-content:safe center}
.adam-waitlist [role=status]:empty{display:none}

html.has-world-parallax-page .landing .world-stage .sfi-world-parallax.is-page{position:relative;inset:auto;z-index:0}
.prototype-note a{color:inherit}

.course-outline .outline-lesson-link{display:block;padding:0;border:0;background:none;color:#dcecf5;font:inherit;font-weight:600;text-align:left;cursor:pointer;text-decoration:underline;text-decoration-color:#7390aa70;text-underline-offset:3px}.course-outline .outline-lesson-link:hover{color:#fff;text-decoration-color:#cfa8ff}

/* Three clear invitations; no approach is selected on arrival. */
.practice-intro .proposition{margin-bottom:22px}
.practice-directions{font:400 23px/1.2 Georgia,serif;letter-spacing:-.025em;color:#e0edf4;margin:0 0 14px}
#main:not(:has(.entry-section.is-active)) #accordion-sections{flex:0 0 auto}
#main:not(:has(.entry-section.is-active)) .practice-footer{padding-top:28px}
.entry-heading{position:relative}
.entry-heading .entry-overline{padding-right:48px}
.entry-heading>.entry-disclosure{position:absolute;right:14px;top:9px;display:flex;align-items:center;gap:5px;font:400 9px/1.2 ui-sans-serif,sans-serif;letter-spacing:.025em;color:#a9becd}
.entry-disclosure svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round}
.entry-disclosure .disclosure-close{display:none}
.entry-heading[aria-expanded=true] .disclosure-open{display:none}
.entry-heading[aria-expanded=true] .disclosure-close{display:inline}
.entry-heading[aria-expanded=true] .entry-disclosure svg{transform:rotate(180deg)}
.entry-heading:hover .entry-disclosure,.entry-heading:focus-visible .entry-disclosure{color:#e4d5f5}
.side-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:14px}
.side-links a{display:flex;align-items:center;justify-content:center;min-height:49px;padding:9px 7px;border:1px solid #344854;border-radius:9px;background:linear-gradient(145deg,#13212b,#091119);color:#b7ccd9;text-align:center;font:400 10px/1.4 ui-sans-serif,sans-serif;text-wrap:balance}
.side-links a:hover,.side-links a:focus-visible,.side-links a.is-selected{border-color:#91a3b5;color:#edf5fa;background:#172532}
#main.audience-mode .practice-footer{padding-top:20px}
@media(max-width:700px){
 .study-side{position:absolute}
 #main:has(.entry-section.is-active) .proposition{margin-bottom:10px}
 .editorial-card{overflow-y:auto;scrollbar-width:thin;scrollbar-color:#456477 transparent}
 .editorial-card .card-sections{flex:none}
 .practice-intro .proposition{margin-bottom:20px}
 .practice-directions{font-size:22px;margin-bottom:12px}
 .entry-heading>.entry-disclosure{top:6px;right:13px;font-size:8px}
 #main:not(:has(.entry-section.is-active)) .practice-footer{padding-top:24px}
 .side-links{gap:6px;margin-top:12px}
 .side-links a{min-height:45px;padding:7px 5px;font-size:9px}
 #main.audience-mode .practice-footer{padding-top:16px}
}

/* A glimpse of each approach before choosing one. */
.entry-section{position:relative}
.entry-preview{display:none;position:absolute;top:var(--heading-height);left:0;width:100%;height:70px;padding:6px 14px 0;border:0;background:transparent;text-align:left;color:#a9c2d1;cursor:pointer;overflow:hidden;mask-image:linear-gradient(to bottom,#000 0%,#000 36%,transparent 100%)}
.entry-preview-copy{display:block;border-top:1px solid #7397af30;padding-top:10px;font:12px/1.6 ui-sans-serif,sans-serif}
.entry-preview h3{margin:0 0 5px;font:400 18px/1.2 Georgia,serif;letter-spacing:-.02em;color:#d8e9f3}
.entry-preview p{margin:0;font:italic 12px/1.5 Georgia,serif;color:#a9c2d1}
#main:not(.audience-mode):not(:has(.entry-section.is-active)) .entry-section{height:calc(var(--heading-height) + 72px)}
#main:not(.audience-mode):not(:has(.entry-section.is-active)) .entry-preview{display:block}
.entry-preview:focus-visible{outline:1px solid #b9deef;outline-offset:-4px}
@media(max-height:800px),(max-width:700px){
 .entry-preview{height:52px;padding-top:3px}
 .entry-preview-copy{padding-top:7px;font-size:11px;line-height:1.5}
 .entry-preview h3{font-size:16px;margin-bottom:3px}
 .entry-preview p{font-size:11px}
 #main:not(.audience-mode):not(:has(.entry-section.is-active)) .entry-section{height:calc(var(--heading-height) + 54px)}
}

/* Readable approach context and fuller Open Exploration descriptors. */
.entry-overline{font-size:10px;line-height:1.3;letter-spacing:.065em}
.entry-badges{flex-wrap:wrap;gap:4px 5px}
.entry-badges>span{font-size:9px;line-height:1.3;padding:2px 5px}
@media(max-width:1100px){
 .entry-overline{font-size:9px}
 .entry-badges>span{font-size:8.5px;padding:2px 4px}
}

@media(max-width:700px){
 .teacher-section .entry-badges{flex-wrap:nowrap;gap:3px}
 .teacher-section .entry-badges>span{font-size:8px;padding-inline:3px}
 .entry-preview{height:38px;padding-top:0}
 .entry-preview-copy{padding-top:5px}
 #main:not(.audience-mode):not(:has(.entry-section.is-active)) .entry-section{height:calc(var(--heading-height) + 40px)}
 #main:not(:has(.entry-section.is-active)) .practice-footer{padding-top:16px}
}

/* Local trial: distinct cool accents with a restrained text halo. */
 .entry-section[data-section=explore]{--title-accent:#91caff;--title-halo:#69b7ff50}
.entry-section[data-section=teacher]{--title-accent:#f0bddf;--title-halo:#ee91ce50}
.entry-section[data-section=study]{--title-accent:#c9b7ff;--title-halo:#aa8cff50}
.entry-section .entry-heading .heading-name{color:var(--title-accent);text-shadow:0 0 14px var(--title-halo)}

/* The complete foundation remains visible before choosing an approach. */
.practice-intro .proposition{margin-bottom:12px}
#main:not(.audience-mode):not(:has(.entry-section.is-active)) .entry-section{height:calc(var(--heading-height) + var(--entry-peek,32px) + 2px)}
.entry-preview{height:var(--entry-peek,32px);padding-top:0}
.entry-preview-copy{padding-top:7px}

.side-links{margin-top:14px}
.side-links a{font-size:12px;line-height:1.35;padding:7px 5px;min-height:44px}
@media(max-width:700px){.side-links{margin-top:12px}.side-links a{font-size:11px;padding:6px 4px;min-height:42px}}

/* Continue the hero statement without repeating its opening. */
.practice-intro .proposition{font-size:18px;line-height:1.4;margin-bottom:18px}
@media(max-width:700px){#main .practice-intro .proposition{font-size:16px;line-height:1.4;margin-bottom:14px}}

/* Keep the complete assessment and insight copy accessible inside each card. */
.teacher-section .editorial-card{overflow-y:auto;scrollbar-width:thin;scrollbar-color:#456477 transparent}
.teacher-section .editorial-card .card-sections{flex:none}

/* A quiet section marker introduces the three approaches. */
.practice-directions{display:flex;align-items:center;justify-content:center;gap:12px;font:500 16px/1.3 ui-sans-serif,sans-serif;letter-spacing:.035em;text-align:center;color:#c4d8e8;margin-bottom:16px;white-space:nowrap}
.practice-directions::before,.practice-directions::after{content:'';height:1px;flex:1;min-width:12px;background:linear-gradient(90deg,transparent,#698ca470)}
.practice-directions::after{transform:scaleX(-1)}
@media(max-width:700px){.practice-directions{font-size:15px;gap:10px;margin-bottom:14px}}

@media(max-width:700px){#main.audience-mode:not(:has(.entry-section.is-active)) .practice-footer{padding-top:10px}#main.audience-mode #audience-panel{margin-top:6px;padding-top:6px}}

@media(max-width:700px){#main.audience-mode .side-links{margin-top:8px}#main.audience-mode:not(:has(.entry-section.is-active)) .practice-footer{padding-top:6px}}

/* A distinct, subdued surface for individual lessons beneath the Worlds. */
.lesson-shelf{background:radial-gradient(ellipse at 45% 0%,#26314470,transparent 75%),linear-gradient(180deg,#161c27,#0d111a);border-top-color:#78859a50;box-shadow:inset 0 1px 0 #d7e4ff0b,0 -8px 24px #0004}

/* Show Individual Lessons artwork without dimming or image fades. */
.lesson-card>img{opacity:1;filter:none}
.lesson-card:hover>img{opacity:1;filter:none}
.lesson-card::after{background:none}

.lesson-shelf #lesson-count .availability-badge{color:#fff}

/* Keep image luminance and rasterization stable during the continuous scroll. */
.lesson-track{will-change:transform}
.lesson-card>img{backface-visibility:hidden}

/* Audience pages: complete reading content within the existing footer area. */
.practice-invitation{gap:8px}
.audience-controls{display:flex;gap:12px;align-items:center;flex-shrink:0}
.audience-reading .audience-page-intro{padding:6px 0 14px}
.audience-eyebrow{display:block;font:500 9px/1.5 ui-sans-serif,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:#90b5cb;margin-bottom:8px}
.audience-reading .audience-intro{font:italic 18px/1.45 Georgia,serif;margin:0;color:#d3e6f2}
.audience-reading .audience-chapter{padding:20px 0 24px;border-top:0}
.audience-chapter-title{display:flex;gap:12px;align-items:baseline;margin-bottom:12px}
.audience-reading .audience-chapter h4{font:400 21px/1.2 Georgia,serif;color:#e1ecf5;margin:0;letter-spacing:-.015em}
.audience-reading .audience-chapter p{font-size:13px;line-height:1.8;color:#bdcfdd;margin:0 0 13px}
.audience-reading .audience-chapter p:last-child{margin-bottom:0}
.audience-diagram{display:grid;justify-items:center;gap:6px;padding:18px 12px;margin-top:18px;background:linear-gradient(135deg,#23415e66,#22213944);border-radius:8px;color:#d6e7f4;font:400 15px/1.4 Georgia,serif}
.audience-diagram b{font:400 12px sans-serif;color:#97a9ce}
.audience-example{padding:14px 0;margin-top:18px}
.audience-equivalence{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.audience-equivalence>span{border-left:2px solid #849ccc88;padding-left:8px;font:400 14px/1.4 Georgia,serif;color:#e0dced}
.audience-equivalence small{display:block;font:400 10px/1.5 ui-sans-serif,sans-serif;color:#a8bfd1;margin-top:7px}
.audience-prompts{padding:15px 16px;background:#15252f88;border-left:2px solid #a2b4d3;margin-top:18px}
.audience-prompts ul{padding-left:16px;margin:7px 0 0;color:#c8dbe8;font:400 12px/1.7 ui-sans-serif,sans-serif}
.audience-prompts li+li{margin-top:7px}
.audience-reading .audience-note{border:1px solid #516073;border-radius:8px;padding:14px;margin:8px 0 24px;background:#1b223380}
.audience-reading .audience-note p{font-size:12px;line-height:1.7;color:#b6c9d9}
.audience-reading :focus-visible{outline:2px solid #bcb7f2;outline-offset:3px}
#main.audience-expanded>.practice-intro,#main.audience-expanded>#accordion-sections,#main.audience-expanded .practice-invitation{display:none}
#main.audience-expanded .practice-footer{padding-top:0}
#main.audience-expanded .side-links{margin-top:0}
#main.audience-expanded .audience-reading{padding-top:8px}
@media(max-width:700px){.audience-reading .audience-chapter h4{font-size:20px}.audience-reading .audience-chapter p{font-size:13px}.audience-controls{gap:10px}}

.practice-topline{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:11px}
.practice-topline .eyebrow{margin:0}
.homepage-pricing-actions{display:flex;gap:12px;align-items:center;margin-top:16px}
.homepage-pricing-actions>a{display:inline-block;text-decoration:none;padding:11px 18px;position:relative;overflow:hidden;border-radius:7px;color:white}
@media(min-width:701px) and (max-width:1100px){.practice-invitation{gap:4px}}
@media(max-height:800px){.practice-topline{margin-bottom:7px}}

/* Alternate local reading view, enabled only by ?audience-view=popup. */
.audience-dialog{width:min(850px,calc(100vw - 48px));height:min(850px,calc(100dvh - 64px));max-height:none;max-width:none;padding:25px 32px;border:1px solid #4e6175;border-radius:15px;background:linear-gradient(145deg,#111c29,#080d15);color:#dce8f2;overflow:hidden}
.audience-dialog[open]{display:flex;flex-direction:column}
.audience-dialog::backdrop{background:#01050bce;backdrop-filter:blur(7px)}
.audience-dialog-tabs{display:flex;gap:8px;flex-shrink:0;padding-bottom:10px}
.audience-dialog-tabs button{flex:1;padding:11px 8px;background:#0b1621;border:1px solid #405369;border-radius:7px;color:#b4cbdd;font:500 13px/1.3 ui-sans-serif,sans-serif;cursor:pointer}
.audience-dialog-tabs button[aria-pressed=true]{background:#26344a;border-color:#a9b7d1;color:white}
.audience-dialog #audience-panel{flex:1;min-height:0;margin-top:0;padding-top:15px;border-top:0}
.audience-dialog .audience-panel-heading{padding-bottom:16px}
.audience-dialog .audience-panel-heading h3{font-size:27px}
.audience-dialog [data-expand-audience]{display:none}
.audience-dialog .audience-reading{padding:0 20px 20px 0;scrollbar-gutter:stable}
.audience-dialog .audience-reading>*{max-width:650px;margin-left:auto;margin-right:auto}
.audience-dialog .audience-chapter p{font-size:15px;line-height:1.8}
.audience-dialog .audience-chapter h4{font-size:25px}
.audience-dialog .audience-intro{font-size:24px}
.audience-dialog .audience-diagram{grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;text-align:center;padding:22px 14px}
.audience-dialog .audience-diagram b{transform:rotate(-90deg)}
.audience-dialog .audience-chapter{padding:24px 0 28px}
.audience-dialog :focus-visible{outline:2px solid #c0b1ea;outline-offset:3px}
@media(max-width:700px){.audience-dialog{width:100%;height:100dvh;inset:0;margin:0;border:0;border-radius:0;padding:16px 18px}.audience-dialog .audience-panel-heading h3{font-size:21px}.audience-dialog .audience-reading{padding-right:10px}.audience-dialog .audience-intro{font-size:20px}.audience-dialog .audience-chapter h4{font-size:22px}.audience-dialog .audience-chapter p{font-size:14px}.audience-dialog .audience-diagram{display:grid;grid-template-columns:1fr}.audience-dialog .audience-diagram b{transform:none}}

/* Inline audience controls preserve the heading's horizontal space. */
#main .audience-panel-heading{align-items:center;gap:9px}
#main .audience-panel-heading h3{flex:1;min-width:0}
#main .audience-controls{flex-direction:column;gap:5px;align-items:stretch}
#main .audience-controls button{min-width:53px;min-height:25px;padding:4px 9px;border:1px solid #596b7d;border-radius:999px;background:#1b2938;color:#d4e3ef;font:500 10px/1.3 ui-sans-serif,sans-serif;text-align:center;cursor:pointer;white-space:nowrap}
#main .audience-controls button:hover{background:#2b3e52;border-color:#a2b4cc;color:white}
#main .audience-controls button:focus-visible{outline:2px solid #c0b1ea;outline-offset:2px}
#main .audience-panel-heading{container-type:inline-size}
#main .audience-panel-heading h3{font-size:clamp(13px,4.2cqw,18px);line-height:1.2}

.audience-row-close{display:none}
#main.audience-mode .side-links{grid-template-columns:repeat(3,minmax(0,1fr)) 27px;align-items:center}
#main:is(.audience-mode,.audience-expanded) .audience-row-close{display:block;background:none;border:0;color:#bed0df;font:400 24px/1 ui-sans-serif,sans-serif;padding:0;width:27px;height:36px;cursor:pointer}
#main:is(.audience-mode,.audience-expanded) .audience-row-close:hover{color:white}
#main:is(.audience-mode,.audience-expanded) .audience-row-close:focus-visible{outline:2px solid #c0b1ea;outline-offset:2px;border-radius:4px}

.homepage-signup-status{font:400 11px/1.5 ui-sans-serif,sans-serif;color:#d5d2e9;margin:0 0 10px}
.homepage-pricing-actions>button{cursor:pointer}
/* Compact translation of the authored account action: the same Perlin field
   reaches the edge; its shared neutral luminance lift supplies the border. */

/* The existing text-mask/Perlin treatment in the requested blue-black-white palette. */
.directions-title-flow{display:block;flex:0 1 auto;max-width:calc(100% - 48px);overflow:visible}
.directions-flow-field .account-flow-art::before{background:radial-gradient(ellipse at 24% 42%,#e5f0ff 0%,#124b98 23%,transparent 57%),radial-gradient(ellipse at 76% 60%,#02060d 0%,#0b244c 24%,transparent 58%)}
.directions-flow-field .account-flow-art::after{background:radial-gradient(ellipse at 62% 36%,#e5eefb 0%,transparent 53%),radial-gradient(ellipse at 38% 65%,#071429 0%,transparent 52%)}

/* Compact practice is a readable scrolling page, not a compressed desktop panel. */
@media(max-width:700px){
 .mobile-switch{height:calc(54px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 14px 0;justify-content:flex-start;gap:4px;position:relative;z-index:20}
 .mobile-switch>button{min-height:40px;padding:8px 10px;font-size:12px}
 .mobile-switch .homepage-account-links{margin-left:auto;gap:12px}
 .mobile-switch .homepage-account-links>button,.mobile-switch .homepage-account-links>a{font-size:12px;min-height:36px;display:grid;place-items:center}
 .landing{height:calc(100dvh - 54px - env(safe-area-inset-top))}
 .lesson-shelf{display:none}
 .world-stage,.study-side{inset:0;height:100%;min-height:0}
 .study-side{border:0}
 #main{overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;padding:22px 18px 28px;scroll-padding-top:12px}
 #main .practice-topline{margin-bottom:10px}
 #main .practice-topline .eyebrow{display:block;font-size:11px;letter-spacing:.13em}
 #main .practice-intro h1{font-size:37px}
 #main .practice-intro .proposition{font-size:18px;line-height:1.5;margin:12px 0 24px}
 #main .practice-directions{font-size:18px;margin-bottom:20px}
 #accordion-sections{flex:none;overflow:visible;gap:12px}
 #main .entry-heading{padding:17px 14px;gap:9px;min-height:100px}
 #main .entry-overline{font-size:12px;line-height:1.4;padding-right:34px}
 #main .heading-name,#main .teacher-name{font-size:clamp(17px,4.5vw,23px);line-height:1.25;letter-spacing:-.035em}
 #main .entry-badges{gap:5px;flex-wrap:wrap}
 #main .entry-badges>span{font-size:10px;line-height:1.4;padding:3px 5px}
 #main .entry-heading>.entry-disclosure{top:16px;right:12px;font-size:10px}
 #main .entry-preview{padding-inline:14px}
 #main .horizontal-content{padding-left:12px;min-height:0}
 #main .editorial-card{padding:20px 18px;gap:18px;overflow-y:auto;touch-action:pan-x pan-y;scrollbar-width:thin}
 #main .section-home .editorial-card h3{font-size:27px;line-height:1.13;margin-bottom:12px}
 #main .section-home .editorial-card .card-introduction{font-size:16px;line-height:1.5}
 #main .section-home .card-sections{gap:18px;flex:none}
 #main .section-home .card-sections section{padding-top:16px}
 #main .section-home .card-sections h4{font-size:11px;line-height:1.4;margin-bottom:9px}
 #main .section-home .card-sections p,#main .section-home .card-ending{font-size:14px;line-height:1.65}
 #main .approach-actions{padding:12px;gap:8px;flex-wrap:wrap}
 #main .approach-actions button{min-height:44px;font-size:12px;padding:10px 12px}
 #main .side-arrow{width:30px;height:46px}
 #main .course-explanation{font-size:14px;line-height:1.6;padding:0 15px;margin-bottom:16px}
 #main .course-tools{padding:0 15px 14px}
 #main .course-tools button{font-size:13px;min-height:36px}
 #main .course-tools span{font-size:11px}
 #main .course-caption{padding:20px;gap:12px}
 #main .course-caption h3{font-size:27px}
 #main .course-caption>span{font-size:12px}
 #main .course-caption .feature-action{min-height:40px;padding:10px 12px}
 #main .section-detail{padding-inline:14px}
 #main .detail-back{font-size:13px;min-height:32px}
 #main .section-detail{grid-template-rows:40px minmax(0,1fr)}
 #main .lesson-browser{grid-template-rows:40px auto auto minmax(0,1fr)}
 #main .section-detail input{font-size:16px;min-height:44px}
 #main .lesson-browser .course-result strong,#main .lesson-browser .search-lesson strong{font-size:14px;line-height:1.4}
 #main .lesson-browser .course-result small,#main .lesson-browser .search-lesson small{font-size:11px;line-height:1.4}
 #main .lesson-browser .plan-badge{font-size:9px}
 #main .detail-title{font-size:25px}
 #main .detail-copy,#main .section-detail .small{font-size:13px;line-height:1.6}
 #main .course-overview{grid-template-rows:40px minmax(0,1fr) auto}
 #main .waitlist-welcome{padding:24px 18px;container-type:normal}
 #main .waitlist-welcome h3{font-size:30px}
 #main .waitlist-welcome>p{font-size:14px;line-height:1.6}
 #main .waitlist-welcome .adam-waitlist input{height:44px;font-size:16px}
 #main .waitlist-welcome .adam-waitlist>button{min-height:44px;font-size:13px}
 #main .practice-footer{flex:none;padding-top:28px}
 #main .practice-invitation p{font-size:25px}
 #main .side-links a{font-size:13px;min-height:46px}
 #main.audience-mode .practice-footer{flex:none}
 #main #audience-panel{min-height:480px;height:65dvh;flex:none}
 #main.audience-expanded #audience-panel{height:calc(100dvh - 140px)}
 .homepage-signup-status{position:fixed;top:54px;left:12px;right:12px;z-index:25;background:#101b29;border:1px solid #4e6175;padding:12px}
}

/* Mobile polish: retain the authored cards, swipe navigation and World grid. */
.mobile-brand,.mobile-world-intro,.mobile-world-count{display:none}
@media(max-width:700px){
 .mobile-brand{display:flex;flex-direction:column;align-items:center;text-align:center;flex:none;margin:0 0 24px;gap:6px}
 .mobile-brand>span{font:300 26px/1.15 ui-sans-serif,sans-serif;letter-spacing:.07em;color:#eff6fb}
 .mobile-brand>em{font:italic 11px/1.3 Georgia,serif;color:white}
 #main .practice-topline{justify-content:center;margin-bottom:12px}
 #main .practice-intro{text-align:center}
 #main .practice-intro h1{font-size:35px;line-height:1.15;letter-spacing:-.035em}
 #main .practice-intro .proposition{font-size:17px;line-height:1.5;max-width:32ch;margin:14px auto 28px}
 .mobile-text-flow,.mobile-world-count{background:linear-gradient(110deg,#e5b9f4,#c98ae6 40%,#969dff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#c98ae6}
 .mobile-directions-text{background:linear-gradient(100deg,#b9d9f2,#6a9bd0 55%,#a2c3e8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#93b9df;white-space:nowrap}
 #main .practice-directions{font-size:16px;line-height:1.4;margin:0 0 24px;gap:12px}
 #accordion-sections{gap:20px}
 #main .entry-heading{padding:20px 14px 17px;gap:9px;min-height:0;opacity:1;cursor:default}
 #main .entry-overline{font-size:10px;line-height:1.4;letter-spacing:.04em;padding:0;color:#9fb5c7}
 #main .heading-name{font-size:27px;line-height:1.2;letter-spacing:-.025em}
 #main .teacher-name{font-size:clamp(17px,4.8vw,23px);line-height:1.3}
 #main .entry-badges{gap:4px;flex-wrap:nowrap}
 #main .entry-badges>span{font-size:clamp(8px,2.2vw,9.5px);line-height:1.3;padding:3px 4px;white-space:nowrap;flex:none}
 #main .entry-disclosure,#main .entry-preview{display:none}
 #main .section-home .editorial-card h3{font-size:25px;line-height:1.15}
 #main .section-home .editorial-card .card-introduction{font-size:15px;line-height:1.45}
 #main .section-home .card-sections h4{font-size:10px;line-height:1.4}
 #main .section-home .card-sections p,#main .section-home .card-ending{font-size:14px;line-height:1.65}
 #main .practice-footer{flex:none;padding-top:44px}
 #main .practice-invitation{display:block;text-align:center;margin:0 0 25px}
 #main .practice-invitation>span{display:block;font-size:10px;letter-spacing:.16em;margin:0 0 9px}
 #main .practice-invitation p{font-size:30px;line-height:1.22;margin:0}
 #main .practice-invitation br{display:block}
 #main .side-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:0 0 24px}
 #main .side-links a{font-size:13px;min-height:48px;padding:10px 4px}
 #main .side-links .audience-row-close,#main .audience-controls{display:none}
 #main #audience-panel{height:auto;min-height:0;flex:none;overflow:visible;border:0;padding:0;margin:0}
 #main .audience-panel-heading{padding:0 0 16px}
 #main .audience-panel-heading h3{font-size:24px;line-height:1.25}
 #main .audience-reading{height:auto;max-height:none;overflow:visible;padding:0}
 #main .audience-intro{font-size:18px;line-height:1.55}
 #main .audience-reading .audience-chapter{padding:24px 0}
 #main .audience-reading .audience-chapter h4{font-size:23px;line-height:1.2}
 #main .audience-reading .audience-chapter p{font-size:14px;line-height:1.75}
 #main .audience-diagram{display:grid;grid-template-columns:1fr;text-align:center}
 .world-stage .sfi-parallax-header{justify-items:center;text-align:center}
 .world-stage .sfi-parallax-identity{justify-self:center;text-align:center}
 .world-stage .sfi-parallax-title{font:300 26px/1.15 ui-sans-serif,sans-serif;letter-spacing:.07em}
 .world-stage .sfi-parallax-tagline{font:italic 11px/1.3 Georgia,serif;color:white;margin-top:6px}
 .world-count-flow{display:none}
 .mobile-world-count{display:inline;font:inherit}
 body .cl-modalBackdrop,body .sfi-account-backdrop{position:fixed!important;inset:0!important;width:100vw!important;height:100dvh!important;min-height:100dvh!important;max-height:none!important;box-sizing:border-box}
}

/* Broad, dark noise behind lessons; card imagery stays untouched. */
.lesson-shelf{position:relative;isolation:isolate;background:#0b0c19}
.lesson-atmosphere{position:absolute;inset:-20% -12%;z-index:0;pointer-events:none;background:url('./lesson-atmosphere.svg?v=c9c1cb356d97') center/100% 100% no-repeat;animation:lesson-atmosphere-drift 12s ease-in-out infinite alternate;will-change:transform}
.lesson-shelf>header,.lesson-shelf>.lesson-rail{position:relative;z-index:1}
@keyframes lesson-atmosphere-drift{from{transform:translate3d(-7%,-4%,0) scale(1.03)}to{transform:translate3d(7%,4%,0) scale(1.09)}}
@media(prefers-reduced-motion:reduce){.lesson-atmosphere{animation:none;will-change:auto}}
@media(max-width:700px){.lesson-atmosphere{display:none;animation:none;will-change:auto}}

.mobile-signup{display:none}
@media(max-width:700px){
 .mobile-brand{gap:0}
 .mobile-brand>em,.world-stage .sfi-parallax-tagline{margin:9px 0 0;font:italic 11px/1.3 Georgia,serif;letter-spacing:.075em}
 #main .teacher-name{font-size:27px;line-height:1.2;white-space:normal;max-width:12em;text-wrap:balance}
 .world-stage .sfi-parallax-header{gap:20px}
 .world-stage .sfi-parallax-navigation{gap:6px;padding-bottom:15px;border-bottom:1px solid #8db4cc30;width:100%}
 .world-stage .sfi-parallax-location{display:block;font:400 21px/1.2 Georgia,serif;letter-spacing:-.01em;text-transform:none;color:#dfedf7}
 .world-stage .sfi-parallax-location::before,.world-stage .sfi-parallax-location::after{display:none}
 .world-stage .sfi-parallax-count{display:block;font:400 12px/1.5 ui-sans-serif,sans-serif;color:#99b2c3}
 .world-stage .world-invitation-lead,.world-stage .world-invitation-subject{display:inline;font:inherit;letter-spacing:0;text-transform:none;color:inherit;white-space:normal}
 .world-stage .mobile-world-count{font-weight:600}
 #main .mobile-signup{display:flex;flex-direction:column;align-items:center;flex:none;gap:18px;border-top:1px solid #8db4cc30;padding:32px 0 20px;margin-top:28px;text-align:center}
 .mobile-signup h2{margin:0;font:400 28px/1.2 Georgia,serif;color:#e5f2fb}
 .mobile-signup .homepage-account-links{margin:0}
 .mobile-signup #homepage-signup-bottom{min-width:180px;min-height:48px;font-size:14px;border-radius:9px;padding:13px 24px}
}

/* The compact World heading belongs to the same scroll surface as its Worlds. */
@media(max-width:700px){
 .world-stage .sfi-world-parallax[data-mode=overview] .sfi-parallax-scene{top:0}
 .world-stage .sfi-world-parallax[data-mode=overview].is-entered .sfi-parallax-universe{top:48px}
}

/* Homework is a separate entry beside the curriculum. */
.tutor-entry{display:flex;flex:none;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding:12px 15px;border:1px solid #283d4b;border-radius:12px;background:#07121c;color:#d3e7f3;text-decoration:none}.tutor-entry strong{display:block;font:500 15px/1.3 Inter,system-ui,sans-serif}.tutor-entry small{display:block;margin-top:4px;font:11px/1.45 Inter,system-ui,sans-serif;color:#9db0bc}.tutor-entry:hover,.tutor-entry:focus-visible{border-color:#8ba5b6}.tutor-entry:focus-visible{outline:2px solid #bfe8fb;outline-offset:3px}#main.audience-mode .tutor-entry{display:none}@media(max-width:700px){.tutor-entry{margin-top:10px;padding:10px 13px}.tutor-entry small{font-size:10px}}

/* Approved homework-help placement, after the audience information. */
.homework-help{flex:none;margin-top:18px;padding-top:14px;border-top:1px solid #355064}.homework-help>p{margin:0 0 7px;color:#9db0bc;font:10px/1.4 Inter,system-ui,sans-serif;letter-spacing:.12em;text-transform:uppercase}.homework-help .tutor-entry{margin:0!important}#main.audience-mode .homework-help .tutor-entry{display:flex}.homework-help .tutor-entry small{font-size:11px}@media(max-width:700px){.homework-help{margin-top:12px;padding-top:10px}}

/* Audience links open the established expanded reading view on phones too. */
@media(max-width:700px){#main.audience-expanded .side-links{grid-template-columns:repeat(3,minmax(0,1fr)) 32px;align-items:center}#main.audience-expanded .side-links .audience-row-close{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0}}

/* Homework entry: canonical moving Perlin mask in the requested purple/red palette. */
.homework-help>p{color:#d5b9e9}
.homework-help .tutor-entry{position:relative;isolation:isolate;overflow:hidden;border-color:#784a79;background:#170a1d}
.homework-help .tutor-entry>.account-flow-art{background:linear-gradient(105deg,#190a27,#18090f);opacity:.85}
.homework-help .tutor-entry>.account-flow-art::before{background:radial-gradient(ellipse at 24% 42%,#a247ee 0%,#552278 23%,transparent 57%),radial-gradient(ellipse at 76% 60%,#ed3559 0%,#79182e 24%,transparent 58%)}
.homework-help .tutor-entry>.account-flow-art::after{background:radial-gradient(ellipse at 62% 36%,#f34660 0%,transparent 53%),radial-gradient(ellipse at 38% 65%,#a740e2 0%,transparent 52%)}
.homework-help .tutor-entry>span:not(.account-flow-art){position:relative;z-index:1;text-shadow:0 1px 7px #09020e,0 0 12px #09020e}
.homework-help .tutor-entry strong{color:#f5ecff}
.homework-help .tutor-entry small{color:#e4cfe7}
.homework-help .tutor-entry:hover,.homework-help .tutor-entry:focus-visible{border-color:#d7a3e0}

/* Two tools share the former homework-help area without a second button row. */
.homework-help{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.homework-help .tutor-entry{min-width:0;align-items:flex-start;padding:11px 12px;gap:0}
.homework-help .tutor-entry .tool-copy{display:block;min-width:0;width:100%}
.homework-help .tutor-entry strong{font-size:14px;white-space:nowrap;padding-right:14px}
.homework-help .tutor-entry small{font-size:10.5px;line-height:1.4}
.homework-help .tutor-entry>span.tool-arrow{position:absolute;top:7px;right:8px;font-size:12px;line-height:1}
.homework-help .calc-entry{border-color:#287e84;background:#071e25}
.homework-help .calc-entry>.account-flow-art{background:linear-gradient(105deg,#07182e,#06251c)}
.homework-help .calc-entry>.account-flow-art::before{background:radial-gradient(ellipse at 24% 42%,#2389f3 0%,#16496e 23%,transparent 57%),radial-gradient(ellipse at 76% 60%,#24df96 0%,#12634e 24%,transparent 58%)}
.homework-help .calc-entry>.account-flow-art::after{background:radial-gradient(ellipse at 62% 36%,#28dfab 0%,transparent 53%),radial-gradient(ellipse at 38% 65%,#2c8be6 0%,transparent 52%)}
.homework-help .calc-entry:hover,.homework-help .calc-entry:focus-visible{border-color:#7bded5}
@media(max-width:380px){.homework-help .tutor-entry{padding:10px 9px}.homework-help .tutor-entry strong{font-size:13px}.homework-help .tutor-entry small{font-size:10px}}

/* Confirmed stable overview: flat card compositing and still World previews. */

.world-stage .sfi-parallax-scene{perspective:none!important}
.world-stage *{transform-style:flat!important;backface-visibility:visible!important;will-change:auto!important}
.world-stage .sfi-parallax-universe{transform:scale(.72)!important}
.world-stage .is-entered .sfi-parallax-universe{transform:none!important}
.world-stage .sfi-parallax-world{transform:translate(calc(-50% + var(--world-x)),calc(-50% + var(--world-y))) scale(var(--world-scale)) scale(var(--world-hover-scale))!important}
.world-stage .sfi-parallax-world::before,.world-stage .sfi-parallax-world-copy,.world-stage .sfi-parallax-world-title,.world-stage .sfi-parallax-world-subtitle{transform:none!important}
.world-stage .sfi-parallax-world-video{display:none!important}

/* The homepage uses the same account corner and tool geometry as app headers. */
.practice-topline{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center}
.practice-topline .eyebrow{min-width:0}
.homepage-header-brand{display:none}
@media(max-width:700px){
 .mobile-switch{display:grid;grid-template-columns:minmax(0,1fr) auto;height:auto;gap:6px 8px;padding:calc(8px + env(safe-area-inset-top)) 10px 8px}
 .mobile-switch>.homepage-header-brand{display:flex;grid-area:1/1;flex-direction:column;align-items:flex-start!important;min-width:0}
 .homepage-header-brand>i{display:none}
 .homepage-header-brand>small{margin:2px 0 0!important;padding:0!important;border:0!important;font-size:9px!important}
 .mobile-switch>.sfi-account-navigation{grid-area:1/2;justify-self:end;margin:0;gap:10px}
 .homepage-header-tools{grid-area:2/1/auto/-1;display:flex;gap:6px;min-width:0;overflow-x:auto}
 .landing{height:calc(100dvh - var(--homepage-header-height,110px))}
 .practice-topline{display:flex}
}

@media(max-width:700px){.homepage-signup-status{top:calc(var(--homepage-header-height,110px) + 8px)}}