@import url('/fonts.css');
:root{--bg:#0e110f;--paper:#f5f5f1;--muted:#b4b9b1;--lime:#caf22c;--purple:#b58bff;--reading:'DM Sans',Arial,sans-serif;--display:'Barlow Condensed',Impact,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(ellipse at 85% 0%,#49305b30,transparent 38%),var(--bg);color:var(--paper);font:15px/1.65 var(--reading)}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}button{border:0}h1,h2,h3{font-family:var(--display);line-height:1.08;letter-spacing:.01em;margin:0}.edu-header,main,.school-footer{width:min(1240px,calc(100% - 64px));margin-inline:auto}.edu-header{display:flex;align-items:center;gap:30px;padding-block:20px}.edu-brand img{width:130px;height:84px;object-fit:contain}.edu-header nav{margin-left:auto;display:flex;gap:24px;font-size:13px}.edu-age,.kicker{font-size:11px;letter-spacing:.12em;font-weight:700}.edu-age{color:var(--lime)}.edu-skip{position:absolute;top:-100px;left:20px;background:var(--lime);color:var(--bg);padding:10px;z-index:10}.edu-skip:focus{top:10px}.school-intro{display:grid;grid-template-columns:1.25fr .65fr;align-items:end;gap:50px;padding-block:26px 30px}.kicker{color:var(--lime);margin:0 0 12px}h1{font-size:clamp(48px,5.8vw,78px)}h1 span{color:#d4d9d0;font-size:.74em}.school-intro>p{max-width:35ch;color:var(--muted);margin:0 0 8px}.school-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.school-toolbar button{border-radius:24px;padding:10px 18px;min-height:44px;background:#ffffff08;color:var(--paper);font-size:13px}.school-toolbar button.active{background:var(--lime);color:var(--bg);font-weight:700}.school-toolbar button:hover:not(.active){background:#ffffff16}.learning-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px}.path-nav{display:flex;flex-direction:column;gap:6px;align-self:start}.path-nav>button{display:grid;grid-template-columns:30px 1fr;text-align:left;background:transparent;color:var(--paper);padding:12px;border-radius:9px;gap:10px}.path-nav>button>span{font:700 22px/1.2 var(--display);color:#606859}.path-nav>button strong{display:block;font-size:14px}.path-nav>button small{font-size:11px;color:var(--muted)}.path-nav>button.active{background:#caf22c0c}.path-nav>button.active>span{color:var(--lime)}.path-nav>button.active strong{color:var(--lime)}.path-progress{padding:20px 12px;font-size:12px;color:var(--muted)}.path-progress b{color:var(--paper)}.lesson-stage{min-width:0;background:linear-gradient(135deg,#20251e,#151816 72%);border-radius:18px;overflow:hidden}.lesson-top{padding:22px 28px 0;display:flex;align-items:center;gap:12px;color:var(--muted);font-size:11px}.lesson-top .kicker{margin:0}.lesson-picker{padding:14px 28px;display:flex;gap:7px;overflow-x:auto;scrollbar-width:thin}.lesson-picker button{white-space:nowrap;border-radius:18px;background:#ffffff08;padding:8px 12px;color:var(--muted);font-size:12px;min-height:38px}.lesson-picker button.active{background:#ffffff; color:var(--bg)}.lesson-content{padding:14px 28px 26px}.lesson-heading{display:flex;align-items:start;gap:18px;justify-content:space-between;margin-bottom:18px}.lesson-heading h2{font-size:clamp(32px,3.8vw,48px);max-width:26ch}.lesson-heading .read-time{color:var(--muted);font-size:11px;white-space:nowrap;margin-top:8px}.lesson-deck{font-size:16px;color:#d8dfd2;margin:0 0 22px;max-width:72ch}.lesson-body{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-block:20px}.lesson-body p{font-size:14px;color:#cdd2c9;margin:0 0 14px}.lesson-body h3{font:700 16px/1.4 var(--reading);margin:0 0 6px;color:var(--paper)}.lesson-takeaway{display:flex;gap:14px;align-items:start;margin:22px 0 16px;padding:16px 18px;background:#caf22c09;border-radius:10px}.lesson-takeaway span{color:var(--lime);font:700 21px/1 var(--display);white-space:nowrap}.lesson-takeaway p{margin:0;font-size:14px;color:#e6efd9}.lesson-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.lesson-bottom button{background:var(--lime);color:var(--bg);font-size:13px;font-weight:700;padding:10px 18px;border-radius:22px;min-height:44px}.lesson-sources{font-size:12px;color:var(--muted);max-width:100%}.lesson-sources summary{cursor:pointer;padding:8px 0}.lesson-sources a{display:block;text-decoration:underline;text-underline-offset:3px;margin:7px 0;color:#d9dfd3}.learning-visual{background:#0b0f0c85;padding:22px;border-radius:12px;min-width:0}.visual-label{font-size:10px;color:#9ba991;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}.visual-controls{display:flex;gap:8px;flex-wrap:wrap}.visual-controls button{padding:8px 12px;min-height:42px;border-radius:20px;background:#ffffff08;color:var(--paper);font-size:12px}.visual-controls button.active{background:var(--purple);color:#111;font-weight:700}.visual-note{color:#bec5b7;font-size:13px;line-height:1.6;margin:16px 0 0}.visual-note strong{color:var(--paper)}.plant-flow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;align-items:center}.plant-flow>div{padding:16px;text-align:center}.plant-flow svg{height:100px;max-width:100%;display:block;margin:auto}.plant-flow strong{display:block;font-size:13px;margin-top:10px}.plant-flow small{color:var(--muted);font-size:11px}.flow-line{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:18px 0}.flow-line span{border-radius:8px;padding:10px 14px;background:#ffffff08;font-size:13px}.flow-line i{font-style:normal;color:var(--lime)}.sample-label{max-width:510px;margin:12px auto;display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#e9ece3;color:#111;padding:16px;border-radius:10px}.sample-label>small,.sample-label>strong{grid-column:1/-1}.sample-label>small{font-size:10px;letter-spacing:.08em;color:#526044}.sample-label>strong{font:800 27px/1 var(--display);margin:4px 0 10px}.sample-label button{display:block;text-align:left;padding:12px;border-radius:7px;background:#1016100b;color:#161d13}.sample-label button.active{background:var(--lime)}.sample-label button b{display:block;font-size:20px}.sample-label button span{font-size:11px}.math-result{font:700 27px/1.2 var(--display);color:var(--lime);margin:14px 0 6px}.compare-rows{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.compare-rows>div{padding:16px;background:#ffffff05;border-radius:10px}.compare-rows h4{margin:0 0 10px;font:700 23px/1.1 var(--display);color:var(--lime)}.compare-rows p{font-size:12px;color:#c4cbbd;line-height:1.6;margin:0 0 8px}.compare-rows b{color:white}.compound-face{display:grid;grid-template-columns:130px 1fr;gap:24px;margin-top:20px;align-items:center}.compound-symbol{border-radius:50%;height:120px;display:grid;place-content:center;text-align:center;background:radial-gradient(circle at 30% 20%,#b58bff80,#b58bff10 80%);font:800 32px/1 var(--display);color:var(--paper)}.compound-symbol small{font:10px/1.2 var(--reading);letter-spacing:.08em;margin-top:10px}.compound-face h4{font:700 25px/1.1 var(--display);margin:0 0 8px}.compound-face p{margin:0;font-size:13px;color:#c3cbbd}.aroma-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:7px}.lab-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:13px}.lab-table td,.lab-table th{text-align:left;padding:10px;border-bottom:1px solid #ffffff12}.lab-table th{color:#a9b49e;font-size:11px}.lab-table button{background:#caf22c12;color:var(--lime);border-radius:16px;padding:7px 10px;font-size:12px}.school-caution{font-size:12px;color:#b8b5c2;margin:14px 0 0}.az-layout{background:#ffffff04;border-radius:18px;padding:24px}.az-top{display:flex;align-items:center;gap:24px;justify-content:space-between}.az-top h2{font-size:38px}.az-top input{border:1px solid #ffffff20;color:var(--paper);background:#0b100c;border-radius:24px;padding:11px 16px;min-width:280px;max-width:100%}.az-letters{display:flex;flex-wrap:wrap;gap:5px;margin:20px 0}.az-letters button{width:32px;height:34px;border-radius:5px;background:#ffffff08;color:white;font-size:12px}.az-letters button:disabled{opacity:.25;cursor:default}.az-letters button.active{background:var(--lime);color:#111}.az-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.term-card{min-width:0;text-align:left;background:#171d15;color:var(--paper);padding:18px;border-radius:10px}.term-card:hover{background:#232d1e}.term-card h3{font-size:24px;color:var(--lime);margin:0 0 8px}.term-card p{font-size:12px;line-height:1.6;margin:0;color:#bfc9b8}.term-card>span{font-size:10px;display:block;margin-top:12px;color:#ae94d3}.az-status{font-size:12px;color:var(--muted)}.research-desk{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:36px;padding:28px 0 32px}.research-desk h2{font-size:30px}.research-desk p:not(.kicker){font-size:13px;color:var(--muted);max-width:55ch}.reference-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-self:center}.reference-links a{background:#ffffff05;padding:13px 16px;border-radius:8px;font-size:13px;font-weight:700}.reference-links span{display:block;font-size:10px;font-weight:400;color:var(--muted)}.reference-links a:hover{background:#ffffff10}.school-footer{padding-block:22px 36px;color:#92998b;font-size:11px;line-height:1.6}.school-footer>p{max-width:110ch}.school-footer>div{display:flex;flex-wrap:wrap;gap:18px;margin:18px 0}.school-footer a{text-decoration:underline;text-underline-offset:4px;color:#b6bfad}.related-terms{font-size:12px;display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.related-terms button{background:transparent;color:#cbbaa8;font-size:12px;padding:6px 0;text-decoration:underline;text-underline-offset:3px}
@media(max-width:900px){.edu-header,main,.school-footer{width:calc(100% - 40px)}.edu-age{display:none}.school-intro{grid-template-columns:1fr;gap:18px}.school-intro>p{max-width:65ch}.learning-layout{grid-template-columns:1fr}.path-nav{display:flex;flex-direction:row;overflow-x:auto}.path-nav>button{min-width:155px;grid-template-columns:22px 1fr;padding:10px}.path-nav>button small{font-size:10px}.path-progress{display:none}.lesson-body{gap:18px}.az-grid{grid-template-columns:1fr 1fr}.research-desk{grid-template-columns:1fr;gap:10px}}
@media(max-width:580px){.edu-header,main,.school-footer{width:calc(100% - 32px)}.edu-header{gap:15px;padding-block:12px}.edu-brand img{width:96px;height:65px}.edu-header nav{gap:12px;font-size:11px;flex-wrap:wrap;justify-content:end}.school-intro{padding-top:15px}.school-intro h1{font-size:46px}.school-intro>p{font-size:13px}.school-toolbar{gap:5px}.school-toolbar button{padding:9px 12px;font-size:11px}.lesson-top,.lesson-picker{padding-inline:18px}.lesson-content{padding:10px 18px 22px}.lesson-heading{display:block}.lesson-heading h2{font-size:35px}.read-time{display:block;margin-top:8px!important}.lesson-deck{font-size:14px}.lesson-body{grid-template-columns:1fr}.lesson-body p{font-size:14px}.learning-visual{padding:16px}.plant-flow>div{padding:6px}.plant-flow svg{height:75px}.compare-rows{grid-template-columns:1fr}.compare-rows>div{padding:12px}.compound-face{grid-template-columns:82px 1fr;gap:16px}.compound-symbol{height:82px;font-size:25px}.compound-symbol small{font-size:8px}.compound-face h4{font-size:22px}.lesson-takeaway{display:block;padding:14px}.lesson-takeaway p{margin-top:8px}.az-layout{padding:18px}.az-top{display:block}.az-top h2{font-size:32px}.az-top input{width:100%;min-width:0;margin-top:14px}.az-grid{grid-template-columns:1fr}.reference-links{grid-template-columns:1fr 1fr}.school-footer{font-size:11px}.research-desk{margin-top:24px}.math-result{font-size:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}