/* Public demonstrations, selected teaching and the private-on-device practice planner. */
.exp-wrap{--exp-paper:#eeeae0;--exp-ink:#282a25;--exp-muted:#52574c;--exp-rule:#ccc8bd;font-family:var(--reading);color:var(--body);background:#171a17}
.exp-wrap *{box-sizing:border-box;min-width:0}.exp-wrap [hidden]{display:none!important}
.exp-hero,.exp-section{padding:clamp(46px,7vw,88px) max(24px,calc((100% - 1120px)/2));margin:0}
.exp-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:64px;align-items:center;background:#1b1e1b;border-bottom:1px solid #ffffff25}
.exp-wrap h1,.exp-wrap h2,.exp-wrap h3{font-family:var(--heading);font-weight:650;letter-spacing:-.04em;line-height:1.17;color:#f3f1e9}
.exp-hero h1{font-size:clamp(2.2rem,4.5vw,3.8rem);margin:22px 0}.exp-hero h1 em{font-style:normal;color:#d9b666}
.exp-wrap p{font-size:1.1rem;line-height:1.75;margin:0 0 20px}.exp-wrap .exp-lead{font-size:1.23rem;color:#c6c9c1;max-width:650px}
.exp-wrap .exp-label{font:700 .78rem/1.5 var(--reading);letter-spacing:.14em;text-transform:uppercase;color:#d9b666;margin:0 0 16px}
.exp-wrap .exp-meta{font-size:.95rem;line-height:1.65;color:#aeb3a7;margin:20px 0 0}
.exp-wrap a{color:#e4c77f;text-underline-offset:4px}.exp-wrap .v-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.exp-wrap .v-button,.exp-wrap .v-button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 22px;border:1px solid #d9b666;border-radius:var(--radius-control);background:#d9b666;color:#171a17;font:700 1rem/1.4 var(--reading);text-decoration:none;cursor:pointer}
.exp-wrap .v-button-secondary{background:transparent;color:#ead19a;border-color:#818975}.exp-wrap button:disabled{opacity:.55;cursor:not-allowed}
.exp-panel{padding:32px;border-top:2px solid #9b8350;background:#242924}.exp-panel p:last-child{margin-bottom:0}.exp-panel h2,.exp-panel h3{margin:0 0 20px}
.exp-wrap .exp-quote{font:400 clamp(1.55rem,2.5vw,2.2rem)/1.45 var(--reading);color:#f3f1e9;margin:18px 0 24px}.exp-wrap .exp-quote-small{font-size:1.3rem}
.exp-sticky-note{padding:22px 25px;border-left:3px solid #b18e41;background:#31392d;margin:24px 0;line-height:1.7}
.exp-section{border-bottom:1px solid #ffffff25}.exp-section h2{font-size:clamp(1.9rem,3.3vw,2.7rem);margin:0 0 24px}.exp-section h3{font-size:1.9rem;margin:24px 0 14px}
.exp-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.exp-two{grid-template-columns:repeat(2,minmax(0,1fr));gap:50px}
.exp-section:has(.exp-paper),.exp-section:has(.exp-lesson),.exp-section#practice,.exp-section#my-plan{background:var(--exp-paper);color:var(--exp-ink);--ink:var(--exp-ink);--body:#444a40;--muted:var(--exp-muted);--line:var(--exp-rule);--action:#705422;--control:#8b9183;--paper:#fcfbf7}
.exp-section:has(.exp-paper) p,.exp-section:has(.exp-lesson) p,.exp-section#practice p,.exp-section#my-plan p{color:#444a40}
.exp-section:has(.exp-paper) :is(h2,h3),.exp-section:has(.exp-lesson) :is(h2,h3),.exp-section#practice :is(h2,h3),.exp-section#my-plan :is(h2,h3){color:#242821}
.exp-section:has(.exp-paper) a,.exp-section:has(.exp-lesson) a,.exp-section#practice a,.exp-section#my-plan a{color:#684e21}
.exp-section:has(.exp-paper) .exp-label,.exp-section:has(.exp-lesson) .exp-label,.exp-section#practice .exp-label,.exp-section#my-plan .exp-label{color:#756035}
.exp-paper{background:#fcfbf7;padding:clamp(24px,4vw,44px);border-top:3px solid #a18345}.exp-paper p{font-size:1.16rem;line-height:1.85}.exp-paper .exp-meta{font-size:.9rem}
.exp-reading{max-width:780px;margin-inline:auto}.exp-lesson article{border-top:1px solid var(--exp-rule);padding:25px 0}.exp-lesson article h3{font-size:2rem}.exp-lesson .exp-sticky-note{background:#e4dfd2;color:#292c25}
.exp-list{padding-left:23px;line-height:1.75}.exp-list li{margin:12px 0}.exp-inline-link{display:inline-block;margin:14px 0;font-weight:700}
.exp-practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px}.exp-practice-layout .exp-panel{background:#f9f7f0;color:#282a25;border-top-color:#9b8350}.exp-practice-layout .exp-quote{color:#292c25}.exp-aside{align-self:start}.exp-aside h3{font-size:1.9rem}.exp-aside p{font-size:1rem}
.exp-stages{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:.83rem;font-weight:700;color:#695630;padding:24px 0}
.exp-form label{display:block;font:650 1.05rem/1.5 var(--reading);margin:20px 0 9px;color:#292c25}
.exp-form textarea,.exp-form select{display:block;width:100%;min-height:50px;padding:13px;border:1px solid #93998b;border-radius:var(--radius-control);background:#fffefa;color:#282a25;font:400 1.05rem/1.6 var(--reading)}
.exp-form textarea{min-height:150px;resize:vertical}.exp-form fieldset{border:0;border-top:1px solid #bdbbae;margin:24px 0;padding:22px 0;min-width:0}.exp-form legend{font:650 1.08rem/1.5 var(--reading);color:#292c25;padding:0 8px 0 0}
.exp-radios{display:flex;flex-wrap:wrap;gap:12px}.exp-radios label{display:flex;align-items:center;gap:10px;font-weight:400;margin:0;min-height:48px;padding:10px 15px;border:1px solid #a3a797;background:#faf9f4}.exp-radios input,.exp-check input{width:20px;height:20px;padding:0;min-height:0;margin:0;accent-color:#735522}
.exp-radios label:has(:checked){border-color:#735522;background:#e4dfd2}.exp-form .exp-check{display:flex;align-items:center;gap:12px;font-weight:400;min-height:48px}
.exp-section#practice .v-button,.exp-section#my-plan .v-button{background:#282c25;border-color:#282c25;color:#fffefa}.exp-section#practice .v-button-secondary,.exp-section#my-plan .v-button-secondary{background:transparent;color:#282c25}
.exp-feedback{list-style:none;padding:0}.exp-feedback li{padding:18px 0;border-bottom:1px solid #c2c0b3;line-height:1.75}.exp-feedback strong{display:block;color:#292c25;margin-bottom:7px}
.exp-question-snapshot{white-space:pre-wrap;overflow-wrap:anywhere;background:#fffefa;border-left:3px solid #9b8350;padding:20px;line-height:1.7}
.exp-wrap .exp-status{font-size:1rem;color:#5b4b2e;min-height:1.6em;margin-top:20px}.exp-text-button{background:transparent;color:#715523;border:0;min-height:44px;padding:10px 0;text-decoration:underline;font:600 1rem/1.4 var(--reading);cursor:pointer}
.exp-week-days{margin:35px 0;border-top:1px solid #bdbbae}.exp-day{padding:22px 0;border-bottom:1px solid #bdbbae}.exp-day summary{cursor:pointer;font:400 1.7rem/1.3 var(--heading);color:#292c25;min-height:44px}.exp-day summary span{font:700 .8rem/1.4 var(--reading);letter-spacing:.08em;color:#735e33;margin-right:18px}.exp-day[open]>summary{margin-bottom:22px}
.exp-progress{display:block;width:100%;height:8px;accent-color:#d9b666;margin:20px 0}.exp-wrap .exp-price{font:400 3.3rem/1.1 var(--heading);color:#ead19a;margin:24px 0}.exp-price span{font:400 1rem/1.6 var(--reading);color:#c6c9c1}
.exp-course{display:block;text-decoration:none;border-top:1px solid #66705f;padding:25px 0}.exp-course h3{font-size:2rem;margin:0 0 15px}.exp-course p{font-size:1rem}.exp-course span{font-weight:700}.exp-onward{border-left:3px solid #a18345;padding:25px 30px;background:#252d23}.exp-onward p{max-width:740px}.exp-section#practice .exp-onward{background:#e4dfd2}
.exp-wrap :is(a,button,input,textarea,select,summary):focus-visible{outline:3px solid #a17d30;outline-offset:4px}
@media(max-width:850px){.exp-hero{grid-template-columns:1fr;gap:32px}.exp-hero>aside{max-width:760px}.exp-practice-layout{grid-template-columns:1fr}.exp-aside{position:static}.exp-grid{grid-template-columns:1fr}.exp-two{grid-template-columns:1fr;gap:32px}.exp-hero,.exp-section{padding-inline:24px}}
@media(max-width:480px){.exp-hero,.exp-section{padding:42px 18px}.exp-hero h1{font-size:3.2rem}.exp-panel{padding:24px}.exp-wrap .exp-lead{font-size:1.1rem}.exp-wrap .v-actions{display:grid;grid-template-columns:1fr}.exp-radios{display:grid;grid-template-columns:1fr}.exp-paper{padding:24px 20px}.exp-sticky-note{padding:18px}.exp-wrap .exp-quote{font-size:1.35rem}.exp-form legend{font-size:1rem}.exp-day summary{font-size:1.5rem}}
@media print{.exp-wrap,.exp-section,.exp-hero{background:#fff!important;color:#111!important;display:block;padding:20px 0}.exp-wrap :is(p,h1,h2,h3,a){color:#111!important}.exp-wrap .v-actions,.exp-wrap button{display:none}.exp-wrap textarea{height:auto;min-height:160px}.exp-wrap details{break-inside:avoid}}

.exp-demo-choices{display:grid;gap:14px;margin:30px 0}.exp-demo-choices button{display:flex;align-items:baseline;gap:20px;text-align:left;padding:22px;background:#fffdf7;border:1px solid #a6aa9a;border-radius:var(--radius-control);color:#292c25;font:600 1.15rem/1.6 var(--reading);cursor:pointer}.exp-demo-choices button span{font:400 1.8rem/1 var(--heading);color:#7a6334}.exp-demo-choices button[aria-pressed=true]{background:#dfdfd0;border-color:#5e6b50;box-shadow:inset 4px 0 #60704c}.exp-demo-response{border-left:3px solid #8b713d;padding:20px 24px;background:#f9f7ee}.exp-demo-response h3{margin-top:0}.exp-demo-response blockquote{margin:0;font-size:1.25rem;line-height:1.65}.exp-demo-explanation{margin-top:32px;border-top:1px solid #b9bbad;padding-top:20px}.exp-demo-explanation summary{font-weight:700;cursor:pointer;min-height:44px;margin-bottom:20px}.exp-demo-explanation p:last-child{margin-bottom:0}