:root{--ink:#17212b;--muted:#596774;--paper:#fbfcf8;--line:#d6dde1;--panel:#ffffff;--teal:#0f766e;--teal-dark:#0c4f4a;--coral:#bf3f4a;--gold:#b98116;--plum:#6f3c7d;--leaf:#3f7a43;--night:#111827;--night-soft:#1f2a37;--shadow:0 16px 40px rgb(23 33 43/12%);--radius:8px}*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}button{font:inherit}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;padding:14px clamp(18px,4vw,56px);border-bottom:1px solid rgb(214 221 225/78%);background:rgb(251 252 248/92%);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content;font-weight:800}.brand svg{color:var(--teal)}.site-header nav{display:flex;align-items:center;justify-content:flex-end;gap:6px;overflow-x:auto}.site-header nav a{display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:8px 10px;border-radius:var(--radius);color:var(--muted);font-size:.92rem;font-weight:700;white-space:nowrap}.site-header nav a:hover{background:#e8f3f1;color:var(--teal-dark)}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.95fr);gap:clamp(28px,5vw,68px);min-height:calc(100vh - 72px);padding:clamp(44px,7vw,88px) clamp(20px,5vw,72px) clamp(36px,6vw,72px);border-bottom:1px solid var(--line)}.hero__copy{align-self:center;max-width:760px}.eyebrow{display:inline-flex;align-items:center;min-height:26px;margin-bottom:14px;color:var(--teal-dark);font-size:.78rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.hero h1,.page-hero h1,.topic-hero h1{max-width:920px;margin:0;font-size:clamp(3.2rem,8vw,7.6rem);line-height:.95;letter-spacing:0}.hero p,.page-hero p,.topic-hero p{max-width:740px;margin:24px 0 0;color:var(--muted);font-size:clamp(1.05rem,1.7vw,1.3rem);line-height:1.7}.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 16px;border:1px solid transparent;border-radius:var(--radius);font-weight:800}.button--primary{background:var(--ink);color:white}.button--secondary{border-color:var(--line);background:white;color:var(--ink)}.hero-visual{align-self:center;display:grid;gap:14px;min-width:0}.matrix-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.matrix-strip span{min-height:44px;padding:12px 10px;border:1px solid var(--line);border-radius:var(--radius);background:white;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;text-align:center}.section{padding:clamp(48px,7vw,90px) clamp(20px,5vw,72px)}.section__header{max-width:760px;margin-bottom:30px}.curriculum-main h2,.section__header h2,.source-band h2,.two-column h2{margin:0;font-size:clamp(2rem,4vw,4rem);line-height:1.04;letter-spacing:0}.curriculum-main p,.section__header p,.two-column p{color:var(--muted);font-size:1.05rem;line-height:1.7}.section--ink{background:var(--night);color:white}.section--ink .eyebrow{color:#89d0c7}.section--ink .section__header p,.section--ink .topic-card p{color:#c5d0d8}.model-grid,.path-grid,.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.learning-card,.model-card,.model-stat,.roadmap-card,.topic-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:0 8px 24px rgb(23 33 43/6%)}.learning-card{display:grid;gap:16px;min-height:330px;padding:20px}.learning-card__header{display:grid;gap:8px}.learning-card h3,.model-card h2,.topic-card h3{margin:0;font-size:1.18rem;line-height:1.2}.learning-card__header span,.model-card small,.model-card span,.topic-card span{color:var(--coral);font-size:.78rem;font-weight:900;text-transform:uppercase}.learning-card p,.model-card p,.roadmap-card p,.topic-card p{margin:0;color:var(--muted);line-height:1.6}.check-list,.learning-card ul,.lesson-sidebar ul,.roadmap-card ul{display:grid;gap:10px;margin:0;padding:0;list-style:none}.check-list li,.learning-card li,.lesson-sidebar li,.roadmap-card li{display:grid;grid-template-columns:18px minmax(0,1fr);gap:9px;align-items:start;color:var(--muted);line-height:1.45}.check-list li svg,.learning-card li svg,.lesson-sidebar li svg,.roadmap-card li svg{color:var(--leaf);margin-top:2px}.roadmap-layout{display:grid;grid-template-columns:minmax(220px,280px) minmax(0,1fr);gap:clamp(18px,3vw,32px);align-items:start}.topic-sidebar{position:sticky;top:96px;display:grid;gap:16px;max-height:calc(100vh - 120px);overflow:auto;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 8px 24px rgb(23 33 43/6%)}.topic-sidebar nav{display:grid;gap:6px}.topic-sidebar a{display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;align-items:center;min-height:44px;padding:8px;border-radius:var(--radius);color:var(--muted);font-weight:800;line-height:1.25}.topic-sidebar a:hover{background:#e8f3f1;color:var(--teal-dark)}.topic-sidebar a span{color:var(--coral);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem}.roadmap-list{display:grid;gap:14px}.roadmap-card{scroll-margin-top:96px;display:grid;grid-template-columns:74px minmax(0,1fr);min-height:280px;overflow:hidden}.roadmap-card__number{display:grid;place-items:start center;padding-top:24px;border-right:1px solid var(--line);background:#f4f8f7;color:var(--teal-dark);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1rem;font-weight:900}.roadmap-card__body{display:grid;gap:16px;padding:clamp(18px,3vw,28px)}.roadmap-card__header{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:center}.roadmap-card__header svg{color:var(--teal)}.roadmap-card__header span{display:inline-flex;margin-bottom:6px;color:var(--coral);font-size:.78rem;font-weight:900;text-transform:uppercase}.roadmap-card h3{margin:0;font-size:clamp(1.45rem,3vw,2.25rem);line-height:1.08}.roadmap-card__actions{display:flex;flex-wrap:wrap;gap:10px;align-self:end}.topic-card{display:grid;gap:12px;min-height:230px;padding:20px;background:var(--night-soft);border-color:#334152;color:white}.topic-card svg{color:#f0b84f}.topic-card span{color:#89d0c7}.page-shell{padding-bottom:70px}.page-hero,.topic-hero{padding:clamp(44px,7vw,88px) clamp(20px,5vw,72px);border-bottom:1px solid var(--line)}.page-hero h1,.topic-hero h1{font-size:clamp(2.7rem,6vw,5.8rem)}.curriculum-board,.source-band,.topic-hero,.two-column{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:18px;align-items:start}.curriculum-main,.curriculum-side,.source-band,.two-column article{border:1px solid var(--line);border-radius:var(--radius);background:white;padding:clamp(20px,3vw,34px)}.lesson-facts,.model-stat,.module-label{display:inline-flex;align-items:center;gap:8px;color:var(--teal-dark);font-weight:900}.curriculum-side{display:grid;gap:10px}.curriculum-side a{display:grid;gap:6px;padding:14px 0;border-top:1px solid var(--line)}.curriculum-side span{color:var(--muted);line-height:1.5}.capstone{display:grid;gap:8px;margin-top:22px;padding:16px;border-left:4px solid var(--gold);background:#fff8e8}.source-band{grid-template-columns:minmax(0,1fr) minmax(260px,.8fr) auto auto;align-items:center}.source-list{display:grid;gap:10px}.source-citation{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-width:0;min-height:42px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:white;color:var(--ink);font-weight:800}.source-citation span{min-width:0;overflow-wrap:anywhere}.learning-card__used-in{display:flex;flex-wrap:wrap;gap:8px}.learning-card__used-in span{display:inline-flex;align-items:center;min-height:28px;padding:5px 8px;border:1px solid #c9dfd5;border-radius:var(--radius);background:#edf8f1;color:var(--teal-dark);font-size:.78rem;font-weight:850}.concept-diagram{min-width:0;margin:0;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:var(--shadow)}.concept-diagram figcaption{margin-bottom:14px;color:var(--plum);font-size:.82rem;font-weight:900;text-transform:uppercase}.diagram-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.diagram-grid.compact{grid-template-columns:repeat(5,minmax(0,1fr))}.diagram-node{display:grid;place-items:center;min-height:92px;padding:14px;border:1px solid #cfd8dc;border-radius:var(--radius);background:#f4f8f7;color:var(--ink);font-weight:850;line-height:1.3;text-align:center}.diagram-node.wide{grid-column:span 3;min-height:78px;background:#eef3fb}.diagram-node.input{border-color:#c9dfd5;background:#edf8f1}.diagram-node.accent{border-color:#efd9a8;background:#fff8e8}.diagram-node.output{border-color:#e8c1c7;background:#fff1f2}.diagram-node strong{display:block;margin-bottom:6px}.diagram-node span{color:var(--muted);font-size:.92rem;line-height:1.4}.argument-flow,.residual-flow{display:grid;gap:10px}.argument-flow{grid-template-columns:repeat(5,minmax(0,1fr))}.residual-flow{grid-template-columns:repeat(4,minmax(0,1fr))}.mask-grid,.mask-row{display:grid;gap:8px}.mask-row{grid-template-columns:52px repeat(3,minmax(0,1fr));align-items:center}.mask-cell,.mask-row strong{display:grid;place-items:center;min-height:44px;border-radius:var(--radius);font-size:.82rem;font-weight:900;text-align:center}.mask-row strong{background:var(--night);color:white;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.mask-cell.allow{border:1px solid #c9dfd5;background:#edf8f1;color:var(--teal-dark)}.mask-cell.block{border:1px solid #e8c1c7;background:#fff1f2;color:var(--coral)}.mask-diagram p{margin:14px 0 0;color:var(--muted);line-height:1.55}.complexity-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.complexity-pair>div{display:grid;gap:10px;min-width:0;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:#f9fbfb}.complexity-pair strong{font-size:1.05rem}.complexity-pair span{color:var(--muted);font-weight:750}.score-grid{display:grid;gap:4px}.score-grid.small{grid-template-columns:repeat(4,minmax(0,1fr))}.score-grid.large{grid-template-columns:repeat(8,minmax(0,1fr))}.score-grid i{aspect-ratio:1;border-radius:3px;background:#c9dfd5}.transformer-flow{display:grid;gap:8px;margin:0;padding:0;list-style:none}.transformer-step{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:center;min-height:88px;padding:14px;border:1px solid #cfd8dc;border-radius:var(--radius);background:#f4f8f7;color:var(--ink)}.transformer-step.input{border-color:#c9dfd5;background:#edf8f1}.transformer-step.accent{border-color:#efd9a8;background:#fff8e8}.transformer-step.output{border-color:#e8c1c7;background:#fff1f2}.step-number{display:grid;place-items:center;width:34px;height:34px;border-radius:999px;background:var(--ink);color:white;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem;font-weight:900}.transformer-step div{display:grid;gap:5px}.transformer-step strong{font-size:1.02rem;line-height:1.2}.transformer-step span:not(.step-number){color:var(--muted);font-size:.9rem;font-weight:700;line-height:1.45}.flow-arrow{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:center;min-height:30px;color:var(--teal-dark);font-size:.78rem;font-weight:900;text-transform:uppercase}.flow-arrow:before{content:"↓";display:grid;place-items:center;width:34px;min-height:30px;color:var(--teal);font-size:1.3rem;line-height:1}.attention-flow,.position-row,.qkv-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.attention-flow div,.position-token,.qkv-grid div{display:grid;align-content:center;gap:8px;min-height:104px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:#f9fbfb;font-weight:850;text-align:center}.attention-flow div:nth-child(2),.qkv-grid div:nth-child(2){background:#fff8e8}.attention-flow div:nth-child(4),.qkv-grid div:nth-child(3){background:#fff1f2}.qkv-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.position-token small,.qkv-grid span{color:var(--muted);font-weight:700}.position-row{grid-template-columns:repeat(5,minmax(80px,1fr))}.position-token span{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.lesson-shell{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:clamp(24px,4vw,54px);align-items:start;padding:clamp(24px,4vw,54px) clamp(20px,5vw,72px) 80px}.lesson-shell>*{min-width:0}.lesson-sidebar{position:sticky;top:96px;display:grid;gap:22px;max-height:calc(100vh - 116px);overflow:auto;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:white}.lesson-sidebar h1{margin:0;font-size:clamp(2rem,3vw,3.2rem);line-height:1;overflow-wrap:anywhere}.lesson-sidebar h2{margin:0 0 12px;font-size:.95rem;text-transform:uppercase}.lesson-facts{flex-wrap:wrap;color:var(--muted)}.lesson-facts span{display:inline-flex;align-items:center;gap:7px}.lesson-content{min-width:0;max-width:920px;font-size:1.08rem}.lesson-heading{margin:48px 0 16px;font-size:clamp(2rem,4vw,3.3rem);line-height:1.05}.lesson-subheading{margin:34px 0 12px;font-size:1.45rem}.lesson-paragraph{margin:0 0 18px;color:#2c3a45;line-height:1.8}.lesson-list{display:grid;gap:10px;margin:0 0 22px;padding-left:22px;color:#2c3a45;line-height:1.7}.lesson-list.ordered{padding-left:26px}.lesson-content pre:not(.equation-block__formula){max-width:100%;margin:24px 0;overflow-x:auto;padding:18px;border-radius:var(--radius);background:var(--night);color:#f4f8fb;font-size:.92rem;line-height:1.7}.lesson-content pre:not(.equation-block__formula) code{display:block;width:max-content;min-width:100%;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre}.lesson-table{width:100%;margin:28px 0;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 8px 24px rgb(23 33 43/6%)}.lesson-table table{width:100%;min-width:680px;border-collapse:collapse}.lesson-table td,.lesson-table th{padding:13px 14px;border-bottom:1px solid var(--line);color:#2c3a45;line-height:1.55;text-align:left;vertical-align:top}.lesson-table th{background:#f4f8f7;color:var(--teal-dark);font-size:.86rem;font-weight:900;text-transform:uppercase}.lesson-table tr:last-child td{border-bottom:0}.lesson-table code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}.lesson-content .check,.lesson-content .concept-diagram,.lesson-content .equation-block,.lesson-content .paper-figure,.lesson-content .quiz{margin:28px 0}.paper-figure{display:grid;justify-items:center;overflow:hidden;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 8px 24px rgb(23 33 43/6%)}.paper-figure img{display:block;width:auto;max-width:100%;height:auto}.paper-figure:not(.paper-figure--wide) img{max-height:820px}.check,.equation-block,.quiz{border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 8px 24px rgb(23 33 43/6%)}.equation-block{overflow:hidden}.equation-block__label{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--teal-dark);font-weight:900}.equation-block__formula{margin:0;overflow-x:auto;padding:20px;background:var(--night);color:#f4f8fb;font-size:clamp(.9rem,2vw,1.18rem);line-height:1.7;white-space:pre-wrap}.equation-block__body{padding:16px 18px;color:#2c3a45;line-height:1.7}.glossary-term{display:inline}.glossary-term strong{color:var(--teal-dark)}.glossary-term__definition{color:#2c3a45}.quiz{padding:20px}.quiz h3{margin:0 0 16px;font-size:1.2rem}.quiz__option,.quiz__options{display:grid;gap:10px}.quiz__option{grid-template-columns:20px minmax(0,1fr);align-items:center;min-height:48px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:#fbfcf8;color:var(--ink);cursor:pointer;text-align:left}.quiz__option[data-correct=true],.quiz__option[data-selected=true]{border-color:var(--teal);background:#e8f3f1}.quiz__feedback{display:grid;gap:12px;margin-top:16px;padding:14px;border-left:4px solid var(--teal);background:#f2faf8;line-height:1.6}.check button,.quiz__feedback button{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:fit-content;min-height:36px;padding:0 10px;border:1px solid var(--line);border-radius:var(--radius);background:white;color:var(--ink);cursor:pointer;font-weight:800}.check{padding:0}.check>button{justify-content:space-between;width:100%;min-height:56px;padding:14px 16px;border:0;text-align:left}.check__body{padding:0 16px 16px;color:#2c3a45;line-height:1.7}.model-dashboard{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:clamp(24px,4vw,42px) clamp(20px,5vw,72px) 0}.model-stat{display:grid;gap:8px;min-height:130px;padding:20px;color:var(--ink)}.model-stat svg{color:var(--teal)}.model-stat strong{font-size:1.8rem}.model-stat span{color:var(--muted)}.model-grid{padding:24px clamp(20px,5vw,72px) 80px;grid-template-columns:repeat(3,minmax(0,1fr))}.model-card{display:grid;align-content:start;gap:16px;min-height:520px;padding:20px}.model-card span{color:var(--plum)}.model-card dl{display:grid;gap:12px;margin:0}.model-card dt{margin-bottom:4px;color:var(--teal-dark);font-size:.78rem;font-weight:900;text-transform:uppercase}.model-card dd{margin:0;color:var(--muted);line-height:1.55}.model-card small{align-self:end;color:var(--teal-dark)}.models-intro{padding-bottom:24px}.model-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.model-flow div{display:grid;align-content:start;gap:8px;min-height:136px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 8px 24px rgb(23 33 43/6%)}.model-flow div:nth-child(2){background:#edf8f1}.model-flow div:nth-child(3){background:#fff8e8}.model-decision-list h3,.model-flow strong{font-size:1.02rem}.model-comparison p,.model-equation p,.model-flow span{color:var(--muted);line-height:1.65}.model-comparison,.model-equation,.model-sources{display:grid;grid-template-columns:minmax(0,.8fr) minmax(320px,1.2fr);gap:clamp(18px,4vw,40px);align-items:start}.model-comparison h2,.model-equation h2,.model-sources h2{margin:0;font-size:clamp(1.8rem,3.5vw,3.2rem);line-height:1.08}.model-decision-list{display:grid;gap:12px}.model-decision-list article{display:grid;gap:8px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 8px 24px rgb(23 33 43/6%)}.model-decision-list svg{color:var(--coral)}.model-decision-list h3,.model-decision-list p,.model-equation .equation-block{margin:0}.model-checks{padding-top:24px}.model-checks .check-list{max-width:980px}.model-sources{border-top:1px solid var(--line)}.section-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.project-hero{align-items:stretch}.project-hero__panel{display:grid;align-content:start;gap:14px;min-width:0;padding:clamp(20px,3vw,30px);border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 8px 24px rgb(23 33 43/6%)}.project-hero__panel strong{color:var(--teal-dark);font-size:.9rem;font-weight:900;text-transform:uppercase}.project-hero__panel ol{display:grid;gap:10px;margin:0;padding-left:22px;color:var(--muted);font-weight:800;line-height:1.45}.project-hero__panel a:hover{color:var(--teal-dark)}.project-track{display:grid;gap:18px}.project-card{scroll-margin-top:96px;display:grid;grid-template-columns:72px minmax(0,1fr) minmax(280px,.45fr);overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 8px 24px rgb(23 33 43/6%)}.project-card__number{display:grid;place-items:start center;padding-top:24px;border-right:1px solid var(--line);background:#f4f8f7;color:var(--teal-dark);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:900}.project-card__main,.project-card__sources{display:grid;gap:18px;align-content:start;min-width:0;padding:clamp(18px,3vw,28px)}.project-card__sources{border-left:1px solid var(--line);background:#f9fbfb}.project-card__header{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:center}.project-card__header svg{color:var(--teal)}.project-card__header span{display:inline-flex;margin-bottom:6px;color:var(--coral);font-size:.78rem;font-weight:900;text-transform:uppercase}.project-card h2,.project-card h3{margin:0;line-height:1.1}.project-card h2{font-size:clamp(1.65rem,3vw,2.55rem)}.project-card h3{color:var(--teal-dark);font-size:.95rem;text-transform:uppercase}.project-card p{margin:0;color:var(--muted);line-height:1.65}.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.project-grid>section{display:grid;align-content:start;gap:12px;min-width:0;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.project-grid--compact>section{background:#f9fbfb}.file-list{display:flex;flex-wrap:wrap;gap:8px}.command-chip,.file-list code{border:1px solid #cfd8dc;border-radius:var(--radius);background:#f4f8f7}.file-list code{padding:7px 9px;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.84rem;overflow-wrap:anywhere}.command-chip{display:inline-flex;align-items:center;gap:8px;width:fit-content;max-width:100%;min-height:42px;padding:9px 11px;color:var(--teal-dark);font-weight:900}.command-chip code{min-width:0;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.warning-list li svg{color:var(--coral)}.project-card__footer{display:flex;flex-wrap:wrap;gap:10px}.project-summary-grid .learning-card{min-height:360px}@media (max-width:1100px){.curriculum-board,.hero,.lesson-shell,.model-comparison,.model-equation,.model-sources,.project-card,.project-hero,.roadmap-layout,.source-band,.topic-hero,.two-column{grid-template-columns:1fr}.project-card__number{place-items:center start;min-height:48px;padding:0 18px;border-right:0;border-bottom:1px solid var(--line)}.project-card__sources{border-top:1px solid var(--line);border-left:0}.lesson-sidebar,.topic-sidebar{position:static;max-height:none}.model-flow,.path-grid,.topic-grid,.topic-sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr))}.source-band{align-items:stretch}.argument-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.argument-flow .diagram-node.output{grid-column:span 2}.residual-flow{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){body{overflow-x:hidden}.site-header{align-items:flex-start;flex-direction:column;gap:8px;width:100%;max-width:100vw}.site-header nav{width:100%;max-width:100%;flex-wrap:wrap;justify-content:flex-start;overflow-x:visible}.site-header nav a{flex:0 0 auto}.lesson-shell{width:100vw;max-width:100vw;padding-right:20px;padding-left:20px;overflow-x:hidden}.lesson-sidebar h1{font-size:1.85rem;line-height:1.08}.roadmap-card,.topic-sidebar nav{grid-template-columns:1fr}.roadmap-card__number{place-items:center start;min-height:48px;padding:0 18px;border-right:0;border-bottom:1px solid var(--line)}.roadmap-card__header{grid-template-columns:34px minmax(0,1fr)}.source-citation{align-items:flex-start}.source-citation span{flex:1 1 auto;max-width:100%}.lesson-sidebar .source-citation,.lesson-sidebar li{overflow-wrap:anywhere}.hero{min-height:auto}.hero h1,.page-hero h1,.topic-hero h1{font-size:clamp(2.4rem,14vw,4.2rem)}.argument-flow,.attention-flow,.complexity-pair,.diagram-grid,.diagram-grid.compact,.matrix-strip,.model-dashboard,.model-flow,.model-grid,.path-grid,.position-row,.project-grid,.qkv-grid,.residual-flow,.topic-grid{grid-template-columns:1fr}.argument-flow .diagram-node.output,.diagram-node.wide{grid-column:auto}.learning-card,.lesson-content,.model-card,.project-card,.roadmap-card,.topic-card{width:100%;max-width:100%;min-height:auto}.lesson-sidebar{width:calc(100vw - 64px);max-width:calc(100vw - 64px);min-height:auto}.hero__actions{align-items:stretch;flex-direction:column}.button{width:100%}}