/* Shared type scale across the homepage, lesson and practice. */
:root{--type-body:16px;--type-support:14px;--type-control:14px;--text-support:#4d6069}
.home-page,.lesson-page{font-size:var(--type-body);font-weight:400;letter-spacing:normal}
.home-page .hero-description,.home-page .lesson-invite-copy>p,.home-page .method-heading>p:not(.editorial-label),.home-page .home-method li p{font-size:var(--type-body);line-height:1.75;color:var(--text-support);letter-spacing:normal}
.home-page .editorial-label,.home-page .home-hero .editorial-label{font-size:var(--type-support);line-height:1.5;letter-spacing:normal;color:#344c58;font-weight:500}
.home-page .home-footer p,.home-page .home-footer a,.home-page .home-footer .private-label,.home-page .replay-intro{font-size:var(--type-support);line-height:1.6;letter-spacing:normal;color:var(--text-support)}
.home-page .home-label span{font-size:14px;line-height:1.2;letter-spacing:normal;color:var(--text-support)}
.home-page .text-link,.home-page .home-cta{font-size:16px;line-height:1.4;font-weight:500}
.home-page .home-method h3{font-size:20px;line-height:1.35;font-weight:500;letter-spacing:-.02em}
.lesson-page .breadcrumb,.lesson-page .back-home,.lesson-page .summary-meta,.lesson-page .helper,.lesson-page .resource-link,.lesson-page .text-button,.lesson-page .source-item p,.lesson-page .export-row button,.lesson-page footer>span{font-size:var(--type-support);line-height:1.6;color:var(--text-support);letter-spacing:normal}
.lesson-page .source-item,.lesson-page .source-intro,.lesson-page .learning-points li,.lesson-page .progress-intro>p,.lesson-page .progress-card>p,.lesson-page .correction-section>p:not(.eyebrow){font-size:16px;line-height:1.75;color:var(--text-support)}
.lesson-page .sidebar nav a{font-size:14px;letter-spacing:normal}
.lesson-page .voice-picker>span,.lesson-page .voice-picker select,.lesson-page .speed-label select,.lesson-page .time,.lesson-page .player-footer span,.lesson-page .player-footer a,.lesson-page .player-card>.status,.lesson-page #chapter-restart,.lesson-page .chapter-controls>button{font-size:var(--type-control);line-height:1.4;letter-spacing:normal}
.lesson-page .voice-picker>span,.lesson-page .time,.lesson-page .player-footer span,.lesson-page #chapter-restart,.lesson-page .chapter-controls>button{color:#d7e1e5}
.lesson-page .player-footer a{color:#ecd1a9}.lesson-page .player-footer{gap:16px;flex-wrap:wrap}.lesson-page .voice-picker select{min-height:44px}
.lesson-page .chapter-controls{gap:18px}.lesson-page .chapter-controls>button,.lesson-page #chapter-restart{min-height:44px}
.lesson-page .lesson-tabs button,.lesson-page .lesson-tabs a,.lesson-page .study-card summary,.lesson-page .summary-title{font-size:16px;line-height:1.4;letter-spacing:normal}
.lesson-page .chapter-list button strong{font-size:16px;line-height:1.4;font-weight:500;letter-spacing:normal}.lesson-page .chapter-list button small{font-size:14px;line-height:1.55;color:var(--text-support)}
.lesson-page .chapter-list time{font-size:14px;color:var(--text-support)}.lesson-page .chapter-list button{grid-template-columns:minmax(0,1fr) 48px}
.lesson-page #mini-player a{font-size:14px;line-height:1.4}.lesson-page #mini-time{font-size:14px}.lesson-page .transcript,.lesson-page .quiz-options .option,.lesson-page .correction,.lesson-page .feedback-section label{font-size:16px;line-height:1.75}.lesson-page .confidence label,.lesson-page .confidence legend{font-size:15px;line-height:1.5}
@media(max-width:760px){
 .home-page .home-footer{align-items:flex-start}.home-page .home-footer p{flex-basis:100%}.home-page .home-method h3{font-size:19px}
 .lesson-page .sidebar nav a{font-size:12px;line-height:1.4}.lesson-page .voice-picker{flex-wrap:wrap;gap:8px}.lesson-page .voice-picker select{font-size:16px;max-width:100%}.lesson-page .player-heading{min-height:0}
 .lesson-page .chapter-controls{display:grid;grid-template-columns:1fr 1.6fr 1fr;gap:6px}.lesson-page .chapter-controls>button,.lesson-page #chapter-restart{font-size:14px;line-height:1.4;text-align:center}
 .lesson-page .lesson-tabs{gap:18px}.lesson-page .lesson-tabs button,.lesson-page .lesson-tabs a{font-size:14px}.lesson-page .summary-meta{max-width:48%;font-size:14px}.lesson-page .chapter-list button{gap:12px;padding:16px 10px}
 .lesson-page .player-footer span,.lesson-page .player-footer a{font-size:14px}.lesson-page .player-footer svg{display:none}.lesson-page .speed-label select{font-size:16px}.lesson-page #mini-player{gap:12px}
}
.lesson-page .review-note p{font-size:14px;line-height:1.65;color:var(--text-support)}.lesson-page .chapter-list button,.lesson-page .chapter-list button>span{font-size:16px}.lesson-page .voice-picker{font-size:14px}.home-page .home-label{font-size:14px}
/* Practice invitation: breathing room, clear emphasis and a purposeful action. */
.lesson-page .assessment-card{padding:38px 36px 30px;background:#eee8dc;border:1px solid #ded2be;border-radius:12px;position:relative;overflow:hidden}
.lesson-page .assessment-card:before{content:'';display:block;width:44px;height:4px;background:#a87b49;border-radius:2px;margin-bottom:24px}
.lesson-page .assessment-heading h3{font-size:30px;line-height:1.2;font-weight:600;letter-spacing:-.035em;margin:0;max-width:28ch;color:#183340}
.lesson-page .practice-invite{font-size:16px;line-height:1.7;color:#465c65;max-width:48ch;margin:20px 0 28px}
.lesson-page #start-quiz{display:block;width:100%;min-height:62px;border:1px solid #233e4b;border-radius:8px;padding:18px 25px;background:#183744;color:#fff;font-size:17px;font-weight:600;line-height:1.4;text-align:center;box-shadow:0 5px 0 #0e2630;transition:background .18s,transform .18s,box-shadow .18s;margin:0 0 24px}
.lesson-page #start-quiz:hover:not(:disabled){background:#285566;transform:translateY(-2px);box-shadow:0 7px 0 #0e2630}
.lesson-page #start-quiz:active:not(:disabled){transform:translateY(3px);box-shadow:0 2px 0 #0e2630}
.lesson-page #learning-gate{font-size:14px;line-height:1.65;max-width:52ch;margin:0;color:#50616a}
@media(max-width:760px){.lesson-page .assessment-card{padding:30px 24px 26px}.lesson-page .assessment-heading h3{font-size:27px}.lesson-page .practice-invite{margin:18px 0 26px}.lesson-page #start-quiz{font-size:16px;padding:18px 14px;min-height:60px}}
@media(prefers-reduced-motion:reduce){.lesson-page #start-quiz{transition:none}.lesson-page #start-quiz:hover:not(:disabled),.lesson-page #start-quiz:active:not(:disabled){transform:none}}