.cv-section{margin:70px 0;padding:clamp(24px,4vw,56px);border-radius:32px;background:#e0e8f0;color:#25365e}.cv-section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}.cv-section-heading h2{font-size:clamp(30px,4vw,52px);line-height:1.1;letter-spacing:-.04em;margin:12px 0}.cv-section-heading p{max-width:52ch;color:#566980}.cv-section-heading .button-link{flex-shrink:0}.cv-showcase{max-width:1100px;margin-inline:auto;width:100%;box-sizing:border-box;background:#f9fbfd;border:1px solid #c5d2df;border-radius:24px;padding:20px;box-shadow:0 22px 55px #24364e12;color:#25365e;min-width:0}.cv-showcase *{box-sizing:border-box}.cv-top{display:flex;justify-content:space-between;gap:12px;font:600 12px system-ui;margin:0 2px 18px;color:#53677d}.cv-top i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#56977e;margin-right:6px}.cv-top>span:last-child{font-weight:400}.cv-layout{display:grid;grid-template-columns:minmax(0,.6fr) minmax(0,1.4fr);gap:18px;align-items:stretch}.cv-people{display:grid;grid-template-rows:1fr 1fr;gap:14px;min-width:0}.cv-person{margin:0;position:relative;min-height:0;min-width:0;background:#dce5ec;border-radius:16px;overflow:hidden;border:2px solid white;box-shadow:0 8px 24px #1a2c4412}.cv-person video{display:block;width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:50% 0%}.cv-person figcaption{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,#10253bd9);padding:30px 14px 12px;color:white;display:flex;flex-direction:column;gap:3px;font:12px system-ui}.cv-person figcaption b{font-size:14px}.cv-person figcaption span{color:#edf4fa;font-size:10px}.cv-workspace{background:white;border:1px solid #d3ddea;border-radius:16px;overflow:hidden;min-width:0;display:flex;flex-direction:column}.cv-screen-top{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:13px 18px;background:#edf2f8;border-bottom:1px solid #dae2ec;font:600 11px system-ui}.cv-share-status{color:#487760}.cv-content{height:410px;padding:24px;overflow:hidden}.cv-eyebrow{font:700 10px system-ui;letter-spacing:.08em;text-transform:uppercase;color:#6c5897}.cv-content h3{font:700 clamp(17px,2vw,25px)/1.2 system-ui!important;letter-spacing:-.03em;margin:12px 0 18px!important;color:#25365e}.cv-search{background:#f4f7fb;border:1px solid #dce4ed;border-radius:9px;padding:12px;font:13px system-ui;margin-bottom:16px}.cv-module{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid #e1e6ee;border-radius:10px;margin-bottom:10px;font:13px system-ui}.cv-module>span{font-size:25px;color:#8763bc}.cv-module small{display:block;font:11px system-ui;color:#64758a;margin-top:5px}.cv-module strong{margin-left:auto;color:#527963}.cv-selected{background:#f2eef9;border-color:#c4b2dd}.cv-present{background:#2856cc;color:white;border-radius:8px;padding:11px 14px;font:600 12px system-ui;display:flex;justify-content:space-between;margin-top:14px;opacity:1}.cv-math{height:192px;display:grid;place-items:center}.cv-math svg{width:100%;height:100%;max-width:440px}.cv-shared{text-align:center;font:12px system-ui;color:#487760;background:#edf5ef;border-radius:8px;padding:10px;margin-top:10px}.cv-answers{display:flex;gap:10px;justify-content:center;margin-top:12px}.cv-answers>span{font:600 22px system-ui;border:1px solid #d4deea;border-radius:9px;padding:9px 16px}.cv-answers .cv-answer{background:#ede7f8;border:2px solid #8b68ba}.cv-answer b{font:600 10px system-ui;display:block;color:#674595}.cv-working{position:relative;text-align:center;margin-top:10px;font:700 25px system-ui;color:#73519e}.cv-working svg{position:absolute;width:220px;height:40px;left:50%;transform:translateX(-50%);top:9px}.cv-working path{fill:none;stroke:#8a6ab5;stroke-width:3;stroke-linecap:round;stroke-dasharray:340;stroke-dashoffset:340;animation:cv-draw 2.5s ease forwards}.cv-tools{margin-top:auto;display:flex;justify-content:center;gap:22px;padding:13px;background:#f7f9fc;border-top:1px solid #e3e9f0;font:11px system-ui;color:#5f7389}.cv-bottom{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:18px}.cv-steps{display:flex;gap:7px;flex-wrap:wrap}.cv-showcase button{border:1px solid #d4deea;background:white;color:#52667c;font:600 11px system-ui;border-radius:9px;padding:10px;min-height:40px}.cv-steps button[aria-pressed=true]{background:#253b60;color:white;border-color:#253b60}.cv-steps button[aria-pressed=true]:after{content:' ✓'}.cv-steps button span{opacity:.65}.cv-showcase .cv-pause{white-space:nowrap}.cv-showcase button:focus-visible{outline:3px solid #aa7d28;outline-offset:3px}.cv-showcase .cv-note{font:10px/1.5 system-ui!important;color:#67798d;margin:14px 0 0!important;max-width:none}.cv-paused *{animation-play-state:paused!important}@keyframes cv-in{from{opacity:0}to{opacity:1}}@keyframes cv-draw{to{stroke-dashoffset:0}}
@media(max-width:760px){.cv-section{padding:20px 14px;margin:40px 0;border-radius:24px}.cv-section-heading{display:block}.cv-section-heading .button-link{margin-top:10px}.cv-showcase{padding:12px;border-radius:18px}.cv-layout{grid-template-columns:minmax(0,1fr);gap:12px}.cv-people{grid-template-columns:1fr 1fr;grid-template-rows:145px;gap:10px}.cv-content{padding:16px;height:385px}.cv-person figcaption{padding:25px 10px 9px}.cv-person figcaption span{display:none}.cv-person video{object-position:50% 25%}.cv-tools{gap:16px;font-size:10px}.cv-bottom{align-items:stretch;flex-direction:column}.cv-steps{display:grid;grid-template-columns:1fr 1fr}.cv-steps button{font-size:10px;padding:9px}.cv-math{height:180px}.cv-screen-top{padding:11px;font-size:10px}.cv-top{font-size:10px}.cv-content h3{min-height:40px}.cv-module{padding:10px;font-size:12px}.cv-module small{font-size:10px}.cv-answers>span{padding:8px 13px}}
@media(prefers-reduced-motion:reduce){.cv-showcase *{animation:none!important}.cv-working path{stroke-dashoffset:0}}

.cv-paused .cv-working path{stroke-dashoffset:0}

/* The teacher-page tour starts with joining the call, before lesson sharing. */
.cv-call-intro{min-height:330px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:18px;padding:18px}.cv-call-intro h3{margin:0}.cv-call-intro p{margin:0;line-height:1.6}.cv-connected{color:#39725f;font-size:14px;font-weight:700}.cv-dialogue{max-width:470px;padding:24px;background:#eef2fa;border:1px solid #dbe4f1;border-radius:20px;text-align:left}.cv-dialogue small{font-weight:800;color:#586b8b}.cv-dialogue p{font-size:clamp(17px,2vw,23px);color:#263963;margin-top:12px}.cv-greeting-note{font-size:12px;color:#687c91}.cv-call-checks{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;font-size:13px;color:#64788c}.cv-connection{display:flex;gap:9px;padding:15px}.cv-connection span{width:12px;height:12px;border-radius:50%;background:#678bb4;animation:cv-connect 1.4s ease-in-out infinite}.cv-connection span:nth-child(2){animation-delay:.2s}.cv-connection span:nth-child(3){animation-delay:.4s}@keyframes cv-connect{50%{opacity:.3;transform:translateY(-5px)}}.cv-opening[data-step="0"] video{opacity:0}.cv-opening[data-step="0"] .cv-person{background:#dfe7f0}.cv-opening[data-step="0"] .cv-person:after{content:'Connecting…';position:absolute;inset:0;display:grid;place-items:center;color:#3a5274;font-weight:700}.cv-opening[data-step="1"] .cv-teacher,.cv-opening[data-step="2"] .cv-student{outline:3px solid #76ab99;outline-offset:-3px}.cv-opening .cv-tools{visibility:hidden}.cv-opening[data-step="3"] .cv-tools,.cv-opening[data-step="4"] .cv-tools{visibility:visible}.cv-paused .cv-connection span{animation-play-state:paused}@media(prefers-reduced-motion:reduce){.cv-connection span{animation:none}}@media(max-width:600px){.cv-call-intro{padding:10px;min-height:280px;gap:14px}.cv-dialogue{padding:16px}}

/* Useful course facts frame the classroom on wide displays. */
.cv-feature-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;max-width:1800px;margin-inline:auto;align-items:center}.cv-feature-layout>.cv-showcase{grid-row:1;width:100%;min-width:0}.cv-fact{border-radius:24px;padding:28px;min-width:0;box-sizing:border-box}.cv-fact-lessons{background:#243650;color:#fff}.cv-fact-together{background:#f1f5f8;border:1px solid #c7d5e0;color:#263b5b}.cv-fact .cv-fact-kicker{font:750 10px/1.5 system-ui;letter-spacing:.17em;text-transform:uppercase;margin:0 0 22px;color:#c2d1e9}.cv-fact-together .cv-fact-kicker{color:#53766c}.cv-fact-number{font:800 clamp(62px,5vw,94px)/.95 system-ui;letter-spacing:-.065em;color:#f3cd89}.cv-fact-number>span{display:block;font:600 13px/1.4 system-ui;letter-spacing:0;color:#d3deed;margin-top:12px}.cv-fact-together .cv-fact-number{color:#558579}.cv-fact-together .cv-fact-number>span{color:#526b73}.cv-fact h3{font-size:clamp(22px,1.7vw,29px);line-height:1.2;margin:27px 0 14px;letter-spacing:-.025em}.cv-fact>p:not(.cv-fact-kicker){font:14px/1.65 system-ui;color:#d3deed;margin:0 0 20px}.cv-fact-together>p:not(.cv-fact-kicker){color:#586b80}.cv-fact-links{border-top:1px solid #ffffff24}.cv-fact-links a{display:flex;align-items:center;gap:10px;color:#f1f5ff;text-decoration:none;padding:15px 0;border-bottom:1px solid #ffffff24;font:12px system-ui}.cv-fact-links a b{font-size:23px;color:#f3cd89}.cv-fact-links a>span:last-child{margin-left:auto}.cv-fact-links a:hover{text-decoration:underline}.cv-fact ul{padding:0;list-style:none;margin:24px 0;font:12px/1.5 system-ui}.cv-fact li{display:flex;align-items:center;gap:9px;margin:14px 0}.cv-fact li>span{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:#e0ece7;color:#426c60;flex-shrink:0}.cv-fact-more{font:700 12px/1.5 system-ui;color:#2755c7;text-decoration:none}.cv-fact-more:hover{text-decoration:underline}
@media(min-width:760px) and (max-width:1449px){.cv-feature-layout{grid-template-columns:repeat(2,minmax(0,1fr));max-width:1100px}.cv-feature-layout>.cv-showcase{grid-column:1/-1}.cv-fact{align-self:stretch}.cv-fact-number{font-size:68px}}
@media(min-width:1450px){.cv-feature-layout{grid-template-columns:minmax(210px,.75fr) minmax(0,3fr) minmax(210px,.75fr);gap:clamp(18px,2vw,32px)}.cv-feature-layout>.cv-showcase{grid-row:auto}.cv-fact{padding:clamp(22px,1.7vw,32px)}}
@media(max-width:759px){.cv-fact{padding:24px}.cv-fact-number{font-size:66px}.cv-fact h3{margin-top:20px}.cv-feature-layout{gap:18px}}