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.wordmark{align-items:center;min-height:42px;padding-left:5px;font-size:17px;display:flex}.header-actions{grid-area:1/2}.main-navigation{grid-area:2/1/auto/-1;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;width:100%;max-width:520px;margin:0 auto;display:grid}.main-navigation.two-items{grid-template-columns:repeat(2,minmax(0,1fr))}.main-navigation button{border-radius:0;place-content:center;min-height:40px;padding:0 6px;font-size:13px;display:grid}.main-navigation button.active{font-weight:780}.app-content{padding-top:16px}.project-list{grid-template-columns:repeat(2,minmax(0,1fr))}.starter-list,.saved-list{grid-template-columns:1fr}}@media (max-width:700px){.landing-nav{padding-left:18px;padding-right:18px}.landing-image{min-height:82svh}.landing-copy{bottom:30px;left:20px;right:20px}.landing-copy h1{font-size:clamp(45px,13vw,68px)}.app-content{padding:12px 16px 40px}.simple-heading{margin-bottom:12px}.simple-heading h1{font-size:clamp(34px,8.3vw,40px)}.projects-mode .app-content{padding-top:14px}.projects-mode .simple-heading{margin-bottom:12px}.projects-mode .simple-heading h1{font-size:32px}.project-strip,.project-list{grid-template-columns:1fr}.path-card,.next-project-card{flex-basis:min(80vw,310px)}.path-grid,.path-lessons{grid-template-columns:1fr}.starter-step{grid-template-columns:36px 98px minmax(0,1fr) 12px}.library-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.library-filter:last-child:nth-child(3){grid-column:1/-1}.library-filter select{font-size:14px}.library-results{flex-wrap:wrap;min-height:40px;font-size:14px}.result-actions{gap:8px;margin-left:auto}.result-actions>button{font-size:13px}.sort-control{gap:5px;font-size:13px}.sort-control select{padding:0 5px;font-size:13px}.simple-section{margin-top:18px}.simple-section h2{margin-bottom:8px;font-size:22px}.project-card{height:clamp(200px,59vw,230px)}.continue-card{border-radius:0;width:calc(100% + 32px);height:min(51svh,430px);min-height:0;margin-left:-16px}.continue-copy{padding:20px}.detail-header{padding:calc(8px + env(safe-area-inset-top)) 12px 8px}.detail-image{border-radius:0;height:min(43svh,380px)}.lesson-media{border-radius:0}.lesson-copy,.detail-copy{padding:22px 22px 60px}.detail-copy h1,.lesson-copy h1{font-size:34px}.lesson-media:has(.video-message){aspect-ratio:auto;height:min(420px,50svh)}.lesson-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-row{grid-template-columns:36px 1fr 20px}.lesson-row small{display:none}}@media (max-width:370px){.main-navigation button{font-size:12px}.library-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-actions{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}