/* Shared ergonomics; every demo retains its own colours and display typography. */
.demo{--ui-border:color-mix(in srgb,var(--ink) 26%,var(--paper));--ui-wash:color-mix(in srgb,var(--ink) 5%,var(--paper));--ui-selected:color-mix(in srgb,var(--ink) 10%,var(--paper))}
html{scroll-padding-top:28px}.demo [id]{scroll-margin-top:28px}.demo h1{overflow-wrap:break-word;text-wrap:balance}.demo p{orphans:3}.demo button:disabled{cursor:default}.demo input,.demo select,.demo textarea{font-size:16px}
.site-head .wordmark{line-height:1.15;padding-block:10px;min-height:44px;display:inline-flex;align-items:center}.site-head .demo-desktop-nav{gap:8px}.site-head .demo-desktop-nav>a{padding:10px 14px;border:1px solid transparent}.site-head .demo-desktop-nav>a[aria-current],.site-head .demo-desktop-nav>a[data-active-section]{background:var(--ui-wash);border-color:var(--ui-border)}.site-head nav a:focus-visible,.demo-nav-more summary:focus-visible{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.demo-nav-more>div{box-shadow:none;border-color:var(--ui-border);padding:8px;min-width:235px}.demo-nav-more>div>a{border:1px solid transparent}.demo-nav-more>div>a[aria-current]{background:var(--ui-selected)}.demo-mobile-controls{display:none}
.page-intro{padding-block:clamp(36px,5vw,72px) 30px;max-width:1180px}.page-intro h1{font-size:clamp(38px,5.4vw,76px);line-height:1.09;max-width:17ch;margin-bottom:22px}.page-intro>p:last-child{font-size:clamp(17px,1.6vw,20px);line-height:1.75;margin-bottom:0;max-width:62ch}.page-intro+.section{padding-top:22px}.page-intro+.story-band{margin-top:20px}.page-intro .hero-kicker{margin-bottom:16px}.footer-top{display:inline-flex;align-items:center;gap:20px;min-height:44px;font-size:14px;border:1px solid transparent;padding:8px 10px;margin-inline-start:-10px}.site-foot>.footer-groups a{padding-inline:10px;margin-inline-start:-10px;border:1px solid transparent}.site-foot .footer-groups h2{opacity:.75}.site-foot .footer-groups a:focus-visible,.footer-top:focus-visible{border-color:var(--paper);background:var(--paper);color:var(--ink)}
.demo-reading{max-width:860px}.demo-reading h2{line-height:1.25;letter-spacing:-.025em}.demo-reading details{border-color:var(--ui-border)}.demo-reading summary{display:list-item;padding-block:20px;font-size:17px}.demo-reading details p{padding:0 0 18px}.demo-reading details[open]{padding-bottom:0}
/* Responsive navigation keeps full-size labels instead of shrinking them. */
.menu-open-label{display:none}.demo-mobile-menu[open] .menu-open-label{display:inline}.demo-mobile-menu[open] .menu-closed-label{display:none}
@media(max-width:1100px) and (min-width:901px){.site-head{gap:14px;flex-wrap:nowrap}.site-head .demo-desktop-nav{width:auto;gap:4px}.site-head .demo-desktop-nav>a{padding-inline:10px}.site-head .wordmark{font-size:27px}}
@media(max-width:900px){
 html{scroll-padding-top:105px}.demo [id]{scroll-margin-top:105px}
 .site-head{position:sticky;top:0;z-index:30;background:var(--paper);margin:0;padding:12px max(20px,5vw);min-height:76px;flex-wrap:nowrap;gap:12px}.site-head .wordmark{font-size:clamp(22px,4vw,29px);min-width:0;white-space:normal;overflow-wrap:anywhere;max-width:60%}.site-head .demo-desktop-nav{display:none}
 .demo-mobile-controls{display:flex;align-items:center;gap:12px;flex:none}.demo-mobile-controls>.dc-cart-link{min-height:44px;padding:8px 2px;border:1px solid transparent;gap:7px}.demo-mobile-controls>.dc-cart-link>span:not(.dc-cart-count){display:none}.demo-mobile-controls .dc-cart-link:focus-visible{border-color:var(--ink)}
 .demo-mobile-menu{border:0;margin:0}.demo-mobile-menu summary{display:flex;align-items:center;gap:12px;padding:10px 12px;min-height:48px;border:1px solid var(--ui-border);border-radius:2px;font-size:14px;line-height:1.5;list-style:none}.demo-mobile-menu summary::-webkit-details-marker{display:none}.demo-mobile-menu summary svg{flex:none;width:20px;height:20px}.demo-mobile-menu[open] summary{border-color:var(--ink);background:var(--ink);color:var(--paper)}
 .mobile-menu-panel{position:absolute;inset:100% 0 auto;background:var(--paper);color:var(--ink);padding:20px max(20px,5vw) 26px;border-bottom:1px solid var(--ui-border);max-height:calc(100svh - 120px);overflow-y:auto;overscroll-behavior:contain}.mobile-menu-panel>p{font-size:13px;margin-bottom:12px;opacity:.75}.site-head .mobile-menu-panel nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:6px 12px}.site-head .mobile-menu-panel nav+nav{border-top:1px solid var(--ui-border);padding-top:14px;margin-top:14px}.site-head .mobile-menu-panel nav a{padding:13px 12px;min-height:48px;line-height:1.45;white-space:normal;border:1px solid transparent;font-size:15px}.site-head .mobile-menu-panel a[aria-current]{border-color:var(--ink);background:var(--ui-selected)}.mobile-menu-panel>.small{display:block;margin-top:20px;opacity:.75}
 .demo-strip{align-items:center;padding:7px 20px;font-size:11px}.demo-strip a{min-height:32px;display:inline-flex;align-items:center;text-align:end}.demo-strip>span{max-width:19ch}.site-foot{padding-top:38px}.page-intro{padding-top:34px}.page-intro+.section{padding-top:18px}
}
@media(max-width:360px){.site-head{padding-inline:16px;gap:8px}.demo-mobile-controls{gap:8px}.demo-mobile-menu summary{gap:8px;padding-inline:10px}.demo-mobile-controls .dc-cart-link svg{display:none}.mobile-menu-panel{padding-inline:16px}}
/* Product discovery and selection. */
.dc-catalogue-tools{border-block:1px solid var(--ui-border);padding-block:22px;margin-bottom:28px}.dc-catalogue-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(210px,.4fr);gap:24px;align-items:end}.dc-catalogue-fields label{font-size:14px;font-weight:650;display:grid;gap:9px}.dc-catalogue-fields input,.dc-catalogue-fields select{width:100%;height:50px;min-width:0;padding:12px 14px;border:1px solid var(--ui-border);background:var(--paper);color:var(--ink);border-radius:2px;font:16px Manrope,Arial,sans-serif}.dc-catalogue-fields select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23787878' stroke-width='1.5' d='m4 6 4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:16px;padding-inline-end:44px}.dc-catalogue-fields input:focus-visible,.dc-catalogue-fields select:focus-visible{outline:none;border-color:var(--ink);background-color:var(--ui-wash)}.dc-catalogue-results{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:44px;margin-top:8px}.dc-catalogue-results p{font-size:13px;margin:0}.dc-catalogue-results button{font-size:13px;padding-block:8px}.dc-catalogue-empty{padding:28px;background:var(--ui-wash);max-width:none}
.dc-card{padding-bottom:16px}.dc-card h3{line-height:1.22}.dc-card>p{font-size:15px}.dc-card-meta{font-size:13px}.dc-caption,.dc-storage-note{font-size:13px;line-height:1.65}.dc-card .dc-button{width:100%}.dc-breadcrumb{font-size:13px;align-items:center;gap:4px 14px;margin-bottom:24px}.dc-breadcrumb a{display:inline-flex;align-items:center;min-height:44px}.dc-breadcrumb [aria-current]{max-width:50ch}.dc-buy-panel .hero-kicker{margin-bottom:15px}.dc-product-description{font-size:17px}.dc-details summary{font-size:16px}.dc-details p,.dc-details ul,.dc-details dl>div{font-size:15px}.dc-details{border-color:var(--ui-border);margin-block:0}.dc-details+.dc-details{border-top:0}.dc-assurance{font-size:13px}
.dc-quantity-label{flex-basis:144px;font-size:14px}.dc-product-stepper{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;border:1px solid var(--ui-border);height:50px}.dc-product-stepper input{height:48px;min-height:0;border:0;appearance:textfield;-moz-appearance:textfield;padding:0;text-align:center;border-radius:0}.dc-product-stepper input::-webkit-inner-spin-button,.dc-product-stepper input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.dc-product-stepper button{background:transparent;border:0;color:var(--ink);padding:0;min-height:44px;font-size:21px;line-height:1}.dc-product-stepper button:disabled{opacity:.35}.dc-product-stepper:focus-within{border-color:var(--ink)}.dc-product-stepper button:focus-visible,.dc-product-stepper input:focus-visible{background:var(--ui-selected);outline:none}.dc-buy-actions>.dc-button{min-height:50px}.dc-selection-total{display:flex;justify-content:space-between;gap:20px;font-size:14px;margin:16px 0 0}.dc-selection-total strong{font-size:16px;font-variant-numeric:tabular-nums}.dc-buy-form>.dc-button{width:100%}.dc-inline-status:not(:empty){padding:12px 14px;background:var(--ui-wash);border-inline-start:2px solid var(--ink);font-size:14px}
.image-inspect{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--ui-border);background:var(--paper);color:var(--ink);font-size:14px;margin-top:12px}.image-inspect svg{flex:none}.demo-image-dialog{padding:24px;background:var(--paper);color:var(--ink);width:min(1100px,94vw);max-height:94svh;max-width:94vw;border:1px solid var(--ui-border);overflow:auto}.demo-image-dialog::backdrop{background:rgb(0 0 0 / .7)}.demo-image-dialog .image-dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px}.demo-image-dialog .image-dialog-heading p{margin:0;font-size:17px;font-weight:650}.demo-image-dialog img{width:100%;height:auto;max-height:70svh;object-fit:contain}.demo-image-dialog>.small{margin:16px 0 0}.demo-image-dialog .text-button{flex:none}.demo-image-dialog .text-button span{font-size:24px;margin-inline-start:12px}.demo:has(.demo-image-dialog[open]){overflow:hidden}
/* A single visible stage, with the previous selection retained. */
.demo-flow-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0;margin:0 0 28px;list-style:none;max-width:640px}.demo-flow-steps li{display:flex;align-items:center;gap:9px;font-size:14px;line-height:1.4;padding-bottom:14px;border-bottom:1px solid var(--ui-border);opacity:.65}.demo-flow-steps li>span{display:inline-grid;place-items:center;flex:none;width:26px;height:26px;border-radius:50%;background:var(--ui-wash);font-size:12px}.demo-flow-steps li[aria-current]{opacity:1;font-weight:750;border-color:var(--ink)}.demo-flow-steps li[aria-current]>span,.demo-flow-steps li[data-done=true]>span{background:var(--ink);color:var(--paper)}.demo-flow-steps li[data-done=true]{opacity:1}.dc-cart[data-stage="2"],.dc-cart[data-stage="3"]{grid-template-columns:1fr}.dc-review,.dc-complete{max-width:850px;width:100%;margin-inline:auto;background:var(--ui-wash);padding:clamp(24px,4vw,48px)}.dc-review-actions>.dc-button{flex:1}.dc-review li{font-size:16px}.dc-review li small{font-size:14px}.dc-cart-feedback{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.dc-cart-feedback .dc-text-button{font-weight:750;font-size:14px;padding-inline:12px;border-color:var(--ui-border)}.dc-quantity-stepper{width:146px;height:48px;grid-template-columns:44px minmax(0,1fr) 44px}.dc-quantity-stepper button{width:44px;height:46px}.dc-quantity-stepper input{height:46px!important;font-size:16px}.dc-bag-row{grid-template-columns:110px minmax(0,1fr) 146px}.dc-bag-details p{font-size:14px}.dc-bag-details .dc-text-button{font-size:14px}.dc-totals,.dc-delivery-option,.dc-delivery-option strong{font-size:14px}.dc-delivery-option{border:1px solid transparent;padding:8px;gap:10px}.dc-delivery-option:has(input:checked){border-color:var(--ui-border);background:var(--paper)}.dc-delivery-option:focus-within{border-color:var(--ink)}.experience-panel{background:var(--ui-wash);border-color:var(--ui-border)}.experience-panel .experience-step{font-size:15px}.experience-panel [data-booking-review] h2,.experience-panel [data-booking-complete] h2{line-height:1.15}.experience-panel .detail-facts>div{border-color:var(--ui-border)}.experience-actions{margin-top:24px}.experience-actions>.button{flex:1}.experience-panel .demo-flow-steps{margin-bottom:26px}.contact-form-shell{background:var(--ui-wash)}
/* Reading navigation can be expanded when it is needed on smaller screens. */
.course-outline,.article-outline{border:0;margin:20px 0}.course-outline>summary,.article-outline>summary{display:none;font-size:15px}.course-outline>summary>span,.article-outline>summary>span{font-size:13px;font-weight:400}.course-outline nav{margin-block:12px}.course-sidebar nav a{border-color:var(--ui-border);margin-bottom:8px;padding:16px}.course-sidebar nav a[aria-current]{border-color:var(--ink);background:var(--ui-selected)}.course-sidebar nav a:focus-visible{background:var(--ink);color:var(--paper);border-color:var(--ink)}.course-sidebar>h2{font-size:23px;margin-bottom:12px}.course-sidebar [data-course-progress]{font-size:14px;margin-bottom:12px}.journal-contents a[aria-current]{font-weight:750;background:var(--ui-selected);color:var(--ink)}.journal-contents nav a{padding:12px;min-height:44px}.journal-contents .journal-back{display:inline-flex;min-height:44px;align-items:center}.lesson-quiz label:has(input:checked){border-color:var(--ink);background:var(--ui-selected)}.lesson-quiz input:checked{background:var(--ink);border-color:var(--ink)}.lesson-quiz label:focus-within{border-color:var(--ink)}.lesson-quiz .demo-feedback:not(:empty){padding:16px;background:var(--ui-selected);border-inline-start:2px solid var(--ink)}.lesson-finish{padding-top:25px;border-top:1px solid var(--ui-border)}.lesson-finish>.button{min-width:220px}.course-content .lesson-image{aspect-ratio:1.65}
@media(hover:hover){.site-head nav a:hover,.site-head summary:hover{background:var(--ui-selected);color:var(--ink)}.site-foot .footer-groups a:hover,.footer-top:hover{background:color-mix(in srgb,var(--paper) 12%,var(--ink));color:var(--paper)}.image-inspect:hover{border-color:var(--ink);background:var(--ui-wash)}.dc-product-stepper button:not(:disabled):hover{background:var(--ui-wash)}}
@media(max-width:1100px){.dc-bag-row{grid-template-columns:90px minmax(0,1fr)}.dc-bag-controls{grid-column:2}.dc-buy-actions{flex-wrap:wrap}.dc-buy-actions>.dc-button{flex-basis:180px}.dc-quantity-label{flex-basis:146px}}
@media(max-width:900px){.classroom{grid-template-columns:1fr;margin-inline:5vw;gap:24px}.course-sidebar{position:static;border-bottom:1px solid var(--ui-border);padding-bottom:8px}.course-outline>summary,.article-outline>summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px;border:1px solid var(--ui-border);min-height:50px;list-style:none;background:var(--ui-wash)}.course-outline>summary::-webkit-details-marker,.article-outline>summary::-webkit-details-marker{display:none}.course-outline[open]>summary,.article-outline[open]>summary{border-color:var(--ink)}.course-outline>summary::after,.article-outline>summary::after{content:'+';font-size:20px}.course-outline[open]>summary::after,.article-outline[open]>summary::after{content:'−'}.course-outline>summary>span,.article-outline>summary>span{margin-inline-start:auto}.course-outline,.article-outline{margin-block:18px}.journal-reading-layout{grid-template-columns:1fr;gap:24px}.journal-contents{position:static}.journal-contents nav{margin-block:12px}.journal-contents .journal-back{margin-top:0}.course-content{max-width:none}.dc-product-image{scroll-margin-top:100px}}
@media(max-width:600px){.dc-catalogue-fields{grid-template-columns:1fr;gap:16px}.dc-card>p{font-size:16px}.dc-caption,.dc-storage-note{font-size:12px}.dc-bag-row{grid-template-columns:80px minmax(0,1fr)}.dc-bag-controls{grid-column:1/-1;flex-direction:row;justify-content:space-between;align-items:center}.dc-bag-line-total{font-size:18px}.dc-buy-actions{flex-wrap:nowrap}.dc-buy-actions>.dc-button{flex-basis:auto}.dc-quantity-label{flex-basis:136px}.dc-product-stepper{grid-template-columns:44px minmax(0,1fr) 44px}.dc-review-actions>.dc-button{flex:auto}.demo-flow-steps{gap:10px}.demo-flow-steps li{gap:6px;font-size:13px}.demo-flow-steps li>span{width:22px;height:22px}.demo-image-dialog{padding:16px}.demo-image-dialog .image-dialog-heading{align-items:start;gap:8px}.demo-image-dialog .image-dialog-heading p{font-size:16px}.demo-image-dialog .text-button{padding-inline:8px}.lesson-finish{display:grid;gap:12px}.lesson-finish>.button{width:100%}.lesson-finish>.text-link{min-height:48px}.experience-panel .demo-flow-steps li{flex-direction:column;align-items:start}.experience-actions>.button{width:100%;flex-basis:100%}.site-foot .footer-groups{gap:28px 20px}}
@media(max-width:380px){.dc-buy-actions{flex-wrap:wrap}.dc-quantity-label{flex-basis:100%}.dc-product-stepper{width:146px}.dc-buy-actions>.dc-button{flex-basis:100%}}
@media print{.demo-mobile-controls,.footer-top,.image-inspect,.demo-image-dialog,.dc-catalogue-tools{display:none!important}.site-head{position:static}.course-outline>summary,.article-outline>summary{display:none}.course-outline>nav,.article-outline>nav{display:block}}
@media(max-width:600px){.dc-catalogue-tools{padding-block:16px}.dc-catalogue-fields label:last-child{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:20px}.dc-catalogue-results{margin-top:4px}.dc-catalogue-fields{gap:12px}}