@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--ink:#14202b;--muted:#58616a;--paper:#f7f5ef;--line:#dcdedb;--yellow:#f3cc43;--green:#146756;--display:'Barlow Condensed',Impact,sans-serif;--body:'DM Sans',Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);line-height:1.5}button,input,textarea,select{font:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);border-radius:7px;padding:10px 15px;background:#fff;color:var(--ink);font-weight:600}button:hover{border-color:var(--ink);background:#eef0ed}button:disabled{opacity:.4;cursor:default}button[aria-pressed=true]{border-color:var(--green);background:#e2eee8;color:#164c3f}a{color:inherit;text-underline-offset:3px}:focus-visible{outline:3px solid #10766b;outline-offset:4px}button.primary,.primary.link-button{background:var(--yellow);border-color:var(--yellow);color:#151c23}button.primary:hover{background:#f8d762}header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 3%;background:#111a25;color:#f8f6f0;border-bottom:1px solid #283441}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;letter-spacing:1px;font-size:12px;font-weight:700;white-space:nowrap}.brand small{display:block;font-size:10px;color:#aeb6bd;letter-spacing:1.3px;margin-top:2px}.brand-mark{border:1px solid var(--yellow);border-radius:50%;width:37px;height:37px;display:grid;place-items:center;font-size:11px;color:var(--yellow)}.head-actions{display:flex;gap:6px}.head-actions button{background:transparent;color:#fff;border-color:#34424f;font-size:12px;padding:8px 12px}.head-actions button:hover{background:#263543}.skip{position:absolute;top:-100px;left:8px;z-index:100;background:white;padding:10px}.skip:focus{top:8px}main{outline:none;min-height:calc(100svh - 150px)}.slide,.course-home{max-width:1250px;margin:0 auto;padding:24px 36px 38px}.slide-context{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);letter-spacing:.4px}.slide-context button{font-size:11px;padding:4px 10px;background:transparent}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.8px;text-transform:uppercase}.phase{color:var(--green);margin-top:27px;margin-bottom:12px}.phase span{color:var(--muted);letter-spacing:.8px}h1,h2,h3,p,figure{margin-top:0}h1{font-family:var(--display);font-size:clamp(40px,4.2vw,68px);font-weight:600;line-height:1.04;letter-spacing:-.7px;max-width:1050px;margin-bottom:17px;text-wrap:balance}h2{font-family:var(--display);font-size:30px;font-weight:600;line-height:1.12}h3{font-size:15px}.lead{font-size:clamp(17px,1.5vw,23px);color:var(--muted);margin-bottom:25px;max-width:960px}.takeaway{font-size:15px;border-left:3px solid var(--yellow);padding:9px 15px;margin:23px 0 0;color:#47525b;max-width:950px}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-top:25px}.hero-grid h1{font-size:clamp(56px,6vw,88px)}.hero-text{font-size:17px;line-height:1.75;max-width:500px}.hero-grid img{display:block;width:100%;height:auto;aspect-ratio:1.5;object-fit:cover;border-radius:6px}.hero-grid figure{margin:0}.hero-grid figcaption{font-size:10px;color:var(--muted);margin-top:7px}.chain{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;margin:29px 0 10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.chain article{padding:22px 25px 25px 0}.chain article+article{border-left:1px solid var(--line);padding-left:25px}.step-num{font-family:var(--display);font-size:26px;color:var(--green)}.chain h2{margin:7px 0 10px}.chain p{font-size:17px;margin:0}.instructions{list-style:none;counter-reset:step;padding:0;margin:26px 0;display:grid;gap:13px;max-width:960px}.instructions li{counter-increment:step;display:flex;gap:15px;align-items:baseline;font-size:clamp(18px,1.7vw,25px)}.instructions li:before{content:counter(step,decimal-leading-zero);font-family:var(--display);color:var(--green);font-size:25px;flex-shrink:0}.choices{display:grid;gap:10px;max-width:980px;margin:24px 0 12px}.choice{display:flex;align-items:center;gap:17px;text-align:left;font-size:clamp(17px,1.55vw,23px);font-weight:500;background:#fff;padding:15px 18px}.choice>span{font:600 23px var(--display);color:var(--green);flex-shrink:0}.choice.selected{box-shadow:inset 4px 0 var(--green)}.micro{font-size:12px;color:var(--muted);line-height:1.6}.reveal-area{margin-top:22px}.reveal-button{color:var(--green);border-color:#80ab9e;background:transparent}.answer{background:#e9f0e9;border-left:4px solid var(--green);padding:20px 25px;max-width:1000px;animation:appear .2s ease}.answer .eyebrow{color:var(--green)}.answer h2{margin:9px 0 12px}.answer>p:last-child{margin-bottom:0;font-size:18px}.answer-items{display:flex;gap:25px}.answer-items p{flex:1;margin:8px 0;font-size:17px}.answer-items strong,.answer-items span{display:block}.answer-items strong{font-size:13px;margin-bottom:5px}.example-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:25px 0}.example-grid article{padding:22px 25px;background:#fff;border-top:3px solid var(--yellow)}.example-grid article p{font-size:22px;line-height:1.45;margin:13px 0 0}.example{font-size:16px;color:var(--muted);max-width:950px}.example strong{color:var(--green);margin-right:10px;font-size:12px;text-transform:uppercase;letter-spacing:1px}blockquote{margin:22px 0;padding-left:24px;border-left:3px solid var(--yellow);font:500 clamp(25px,2.5vw,38px)/1.25 var(--display);max-width:960px}.activity-bar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:24px}.activity-bar button{font-size:13px}.timer-display{font-size:18px;font-variant-numeric:tabular-nums;color:var(--green);margin-left:12px}.break-clock{font:600 90px var(--display);color:var(--green);margin:15px 0}.break-clock small{font:700 11px var(--body);letter-spacing:3px;display:block}.prompt{border:1px solid #ccd5cf;border-radius:7px;max-width:980px;margin:20px 0;padding:13px 18px;background:#fff}.prompt summary{cursor:pointer;font-weight:600;font-size:14px;color:var(--green)}.prompt p{font-size:16px;margin:16px 0}.prompt button{font-size:12px}footer{position:sticky;bottom:0;background:#111a25;color:#faf9f4;display:flex;align-items:center;justify-content:space-between;padding:12px 3%;gap:15px;z-index:10;box-shadow:0 -5px 30px #14202b0d}footer button{background:transparent;color:#fff;border-color:#34424f;font-size:12px}footer button:hover{background:#2a3947}footer button[aria-pressed=true]{background:#344c48;color:#fff}#next{background:var(--yellow);color:#14202b;border-color:var(--yellow);min-width:140px}.foot-left,.foot-right{display:flex;gap:7px}#progress{font-size:12px;color:#b8c2c9;text-align:center}.course-home{padding-top:45px;padding-bottom:40px}.course-home>h1{font-size:clamp(60px,7vw,95px)}h1 em{font-style:normal;color:var(--green)}.session-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:35px}.session-card{border:1px solid var(--line);border-radius:8px;padding:26px;background:white}.session-card .eyebrow{color:var(--green);font-size:10px}.session-card h2{font-size:35px;margin:18px 0 10px}.session-card p{color:var(--muted);min-height:48px}.card-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:15px;border-top:1px solid var(--line);padding-top:18px}.card-bottom span{font-size:11px;color:var(--muted)}.card-bottom button{font-size:12px}.home-foot{font-size:12px;color:var(--muted);margin-top:20px}#teacher-notes{max-width:1178px;margin:0 auto 25px;padding:24px;background:#fff7d9;border-top:3px solid #cfad35}.notes-title{display:flex;justify-content:space-between;align-items:center;gap:15px}.notes-title>a{font-size:12px}.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 35px}.note-grid h3{font-size:11px;text-transform:uppercase;letter-spacing:1px;margin:5px 0}.note-grid p{font-size:15px;margin:0}dialog{width:min(780px,calc(100% - 24px));max-height:90svh;border:0;border-radius:12px;padding:0;color:var(--ink);background:var(--paper);box-shadow:0 25px 100px #0005}dialog::backdrop{background:#081520a8;backdrop-filter:blur(3px)}.dialog-header{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;background:var(--paper);z-index:2;padding:20px 25px;border-bottom:1px solid var(--line)}.dialog-header h2{font-size:30px;margin:0}.dialog-header button{font-size:22px;line-height:1;padding:6px 10px}#drawer-content{padding:22px 25px}label{display:block;font-size:14px;font-weight:600;margin:18px 0 7px}select,textarea{display:block;width:100%;padding:11px 12px;border:1px solid #aebbb4;border-radius:6px;background:#fff;color:var(--ink);font-size:15px}textarea{resize:vertical;margin-top:8px;line-height:1.6}.workbook-fields{margin:24px 0}#save-state{font-size:12px;color:var(--green)}.drawer-actions{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}.drawer-actions button{font-size:12px}.tabs{display:flex;gap:8px;margin-bottom:18px}.agenda-blocks{display:flex;gap:7px;flex-wrap:wrap}.agenda-blocks button{font-size:11px}.agenda-list{padding:0;list-style:none}.agenda-list li{border-bottom:1px solid var(--line)}.agenda-list button{display:flex;align-items:center;gap:17px;width:100%;text-align:left;border:0;border-radius:0;background:transparent;padding:12px 4px}.agenda-list button[aria-current=step]{background:#e2eee8}.agenda-list time{font-size:12px;font-variant-numeric:tabular-nums;color:var(--green)}.agenda-list span{flex:1;font-size:14px}.agenda-list small{display:block;font-size:9px;color:var(--muted);letter-spacing:1px;margin-top:2px}.agenda-list em{font-size:11px;color:var(--muted);font-style:normal}.resource-list{display:grid}.resource-list a{padding:15px 0;border-bottom:1px solid var(--line);font-size:15px;text-decoration:none}.resource-list a:hover{text-decoration:underline}.resource-list span{display:block;font-size:12px;color:var(--muted);margin-top:5px}.participation{display:grid;grid-template-columns:132px 1fr;gap:22px;padding:22px 0;border-top:1px solid var(--line);margin-top:25px}.participation img{background:#fff;padding:4px}.participation h3{margin:0 0 7px}.participation p{font-size:13px}.link-button{display:inline-block;text-decoration:none;padding:8px 13px;border-radius:7px;font-weight:600;font-size:13px}#toast{position:fixed;bottom:85px;left:50%;transform:translateX(-50%);background:#153d32;color:#fff;box-shadow:0 10px 30px #0003;border-radius:7px;padding:12px 20px;z-index:100;font-size:14px;max-width:90%;text-align:center}[hidden]{display:none!important}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@media(min-width:1450px){.slide{padding-top:30px;padding-bottom:45px}.phase{margin-top:40px}.chain{margin-top:40px}.slide>h1{font-size:70px}}@media(max-width:760px){header{padding:12px 15px;align-items:flex-start;flex-wrap:wrap}.head-actions{overflow:auto;width:100%;padding-top:3px;gap:6px}.head-actions button{white-space:nowrap;font-size:11px;padding:6px 9px}.slide,.course-home{padding:18px 20px 28px}.slide-context{font-size:10px;gap:15px}.phase{font-size:10px;letter-spacing:1px;margin-top:23px}h1{font-size:43px}.hero-grid{grid-template-columns:1fr;gap:22px}.hero-grid h1{font-size:62px}.hero-grid img{max-height:280px}.hero-grid figure{max-width:500px}.lead{font-size:18px}.chain{grid-template-columns:1fr;margin-top:22px}.chain article{padding:15px 0;display:grid;grid-template-columns:35px 1fr;column-gap:10px}.chain article+article{border-left:0;border-top:1px solid var(--line);padding-left:0}.chain article p{grid-column:2;font-size:17px}.chain h2{font-size:27px;margin:0 0 5px}.step-num{font-size:23px}.instructions li{font-size:19px}.example-grid{grid-template-columns:1fr;gap:10px}.example-grid article{padding:17px}.example-grid article p{font-size:19px}.answer{padding:18px}.answer h2{font-size:27px}.answer-items{display:block}.answer-items p{margin-bottom:15px}.choices .choice{font-size:17px;padding:13px}.takeaway{font-size:14px}.activity-bar{gap:7px}.activity-bar .primary{width:100%;margin-bottom:5px}.activity-bar .timer-display{margin-left:0}.session-grid{grid-template-columns:1fr}.session-card{padding:22px}.course-home>h1{font-size:64px}.note-grid{grid-template-columns:1fr;gap:15px}#teacher-notes{margin:0 15px 20px;padding:18px}.notes-title{align-items:flex-start}.notes-title>a{font-size:10px}footer{gap:7px;padding:10px 12px;flex-wrap:wrap}.foot-left{order:2;flex:1}.foot-right{order:3}#progress{order:1;flex-basis:100%;font-size:10px}footer button{font-size:10px;padding:9px 10px}#next{min-width:0}dialog{max-height:92svh}.dialog-header,#drawer-content{padding:18px}.dialog-header h2{font-size:26px}.participation{grid-template-columns:90px 1fr;gap:15px}.participation img{width:90px;height:90px}.agenda-list button{gap:10px}.agenda-list span{font-size:13px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}@media print{header,footer,.activity-bar,.head-actions{display:none}.slide{padding:10px}body{background:#fff}}