:root{--ink:#10223c;--navy:#07182f;--blue:#2679e8;--sky:#76adff;--coral:#ff705c;--cream:#f4f0e8;--muted:#68778a;--line:#d9dee4;--mono:"DM Mono",monospace;--sans:"Manrope",sans-serif;--serif:"Newsreader",serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:var(--sans);font-size:15px}button,input,select{font:inherit}button,a{color:inherit}a{text-decoration:none}button{cursor:pointer}.site-header{height:84px;display:flex;align-items:center;padding:0 5vw;gap:46px;border-bottom:1px solid var(--line);background:#fffffff5;position:relative;z-index:20}.brand{display:flex;align-items:center;gap:11px;margin-right:auto}.brand>span{width:42px;height:42px;display:grid;place-items:center;background:var(--coral);color:#fff;font:500 18px var(--serif);letter-spacing:-.03em}.brand b{font:600 16px/1.05 var(--serif)}nav{display:flex;gap:32px;font-size:12px;font-weight:700}nav a{position:relative}nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:1px;background:var(--blue);transition:.2s}nav a:hover:after{right:0}.nav-cta{border:1px solid var(--ink);padding:11px 16px;font-size:12px;font-weight:700}.nav-cta span{margin-left:18px}.menu{display:none;background:none;border:0;width:34px;height:34px}.menu span{display:block;width:22px;height:1px;background:var(--ink);margin:6px auto}.hero{min-height:720px;position:relative;background:var(--navy);color:#fff;overflow:hidden;display:flex;flex-direction:column;justify-content:center;padding:82px 7vw 62px}.hero-art{position:absolute;inset:0;background-image:linear-gradient(90deg,#07182ffa,#07182fdb 44%,#07182f14),linear-gradient(0deg,rgba(7,24,47,.42),transparent 50%),url(../hero-v2.png);background-size:cover;background-position:center}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,860px) 240px;justify-content:space-between;gap:60px;align-items:end}.eyebrow,.section-label{text-transform:uppercase;letter-spacing:.18em;font:500 10px var(--mono);color:var(--coral)}h1,h2{font-family:var(--serif);font-weight:500;letter-spacing:-.04em}h1{font-size:clamp(56px,6.2vw,94px);line-height:.91;margin:23px 0 18px;max-width:940px}h1 em,h2 em{font-style:italic;font-weight:400;color:var(--sky)}.subtitle{font:500 21px var(--serif);letter-spacing:.01em;margin:0 0 22px;color:#e7edf5}.hero-deck{font-size:15px;line-height:1.75;color:#b8c7d8;max-width:590px}.actions{display:flex;gap:13px;margin-top:32px}.button{padding:15px 19px;font-size:12px;font-weight:700}.primary{background:var(--coral);color:#fff}.primary span{margin-left:34px}.ghost{border:1px solid #718096}.hero-aside{border-left:1px solid rgba(255,255,255,.25);padding-left:28px}.author-kicker{font:10px var(--mono);text-transform:uppercase;letter-spacing:.17em;color:var(--coral)}.hero-aside>p{font:500 22px/1.4 var(--serif);margin:12px 0 30px}.hero-rule{height:1px;background:#fff3;margin-bottom:18px}.hero-stat{display:flex;align-items:baseline;gap:10px;margin:8px 0}.hero-stat b{font:500 29px var(--serif)}.hero-stat span{font:9px var(--mono);text-transform:uppercase;letter-spacing:.12em;color:#a7b7ca}.hero-foot{position:relative;z-index:1;margin-top:55px;display:flex;align-items:center;gap:14px;font:9px var(--mono);text-transform:uppercase;letter-spacing:.16em;color:#91a5bc}.hero-foot i{width:45px;height:1px;background:var(--coral)}.book{display:grid;grid-template-columns:.7fr 1.15fr 1.1fr .9fr;gap:5vw;padding:125px 7vw;align-items:start}.book h2,.code h2,.teaching h2,.lineage h2,.results-showcase h2{font-size:clamp(46px,4.8vw,70px);line-height:.97;margin:18px 0}.book h2 em,.code h2 em,.lineage h2 em,.results-showcase h2 em{color:var(--blue)}.book-copy .lead{font:500 25px/1.35 var(--serif);margin:2px 0 24px}.book-copy>p:not(.lead){color:var(--muted);line-height:1.8}.audience{margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}.audience span,.book-rail span{font:9px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}.audience p{font-size:12px;line-height:1.7}.book-rail{border-left:1px solid var(--line);padding-left:30px}.book-rail div{padding:18px 0;border-bottom:1px solid var(--line)}.book-rail b,.book-rail span{display:block}.book-rail b{font:500 22px var(--serif);margin-bottom:5px}.chapters{background:var(--navy);color:#fff;padding:115px 6vw}.section-head{max-width:1240px;margin:auto;display:flex;justify-content:space-between;align-items:end}.section-head h2{font-size:clamp(50px,5.2vw,76px);line-height:.94;margin:20px 0 0}.section-head>p{max-width:390px;color:#9fb0c2;line-height:1.75}.light{color:var(--sky)}.chapter-grid{max-width:1240px;margin:58px auto 0;display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid #33445b;border-left:1px solid #33445b}.chapter-card{padding:30px 32px;border-right:1px solid #33445b;border-bottom:1px solid #33445b;transition:background .2s}.chapter-card:hover{background:#102746}.chapter-top{display:flex;justify-content:space-between;font:9px var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--sky)}.chapter-top span:last-child{color:#899aaf}.chapter-card h3{font:500 28px var(--serif);margin:24px 0 8px}.chapter-card>p{color:#a5b3c3;font-size:12px;line-height:1.6;margin:0}.chapter-tags{display:flex;gap:7px;margin-top:20px;flex-wrap:wrap}.chapter-tags span{border:1px solid #3a506a;border-radius:20px;padding:5px 8px;font:8px var(--mono);color:#b9c7d6}.chapter-card button{display:flex;justify-content:space-between;width:100%;border:0;border-top:1px solid #34475f;background:none;color:#fff;padding:18px 0 0;margin-top:24px;font-size:10px;font-weight:700;text-align:left}.chapter-card button span{color:var(--coral)}.appendix-strip{max-width:1240px;margin:35px auto 0;display:grid;grid-template-columns:38px 1fr 38px 1fr;gap:18px;align-items:center}.appendix-strip>span{width:38px;height:38px;border:1px solid #435670;display:grid;place-items:center;font:500 17px var(--serif);color:var(--sky)}.appendix-strip b,.appendix-strip small{display:block}.appendix-strip b{font:500 18px var(--serif)}.appendix-strip small{font-size:10px;color:#899aaf;margin-top:4px}.results-showcase{padding:115px 7vw;background:#fff;display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:18px;align-items:end}.results-heading{padding:0 4vw 20px 0}.results-heading>p{color:var(--muted);line-height:1.75}.result-card{margin:0;border:1px solid var(--line);background:#fff}.result-card img{width:100%;height:235px;object-fit:contain;display:block;padding:12px;background:#f8f8f6}.result-wide{grid-column:2/4}.result-wide img{height:285px}.result-card figcaption{display:flex;align-items:center;gap:13px;padding:17px}.result-card figcaption>span{font:10px var(--mono);color:var(--coral)}.result-card b,.result-card small{display:block}.result-card b{font:500 18px var(--serif)}.result-card small{font-size:9px;color:var(--muted);margin-top:3px}.code{background:var(--cream);padding:115px 7vw;display:grid;grid-template-columns:minmax(300px,.82fr) minmax(520px,1.25fr);gap:8vw;align-items:start}.code-intro{position:sticky;top:35px}.code-intro>p{max-width:460px;line-height:1.75;color:var(--muted)}.code-count{display:flex;align-items:baseline;gap:11px;margin-top:38px}.code-count b{font:500 55px var(--serif);color:var(--blue)}.code-count span{font:9px var(--mono);text-transform:uppercase;letter-spacing:.13em;color:var(--muted)}.toolbar{display:grid;grid-template-columns:1fr 160px;gap:10px;margin-bottom:14px}.toolbar label{display:flex;align-items:center;background:#fff;border:1px solid #d6d3ca;padding:12px 14px}.toolbar input{border:0;outline:0;background:transparent;width:100%;padding-left:10px;font-size:12px}.toolbar select{appearance:none;border:1px solid #d6d3ca;background:#fff;padding:0 12px;font-size:11px;color:var(--ink)}.resource-list{border-top:1px solid #d5d2c9}.resource-row{display:grid;grid-template-columns:38px 1fr auto 28px 25px;gap:13px;align-items:center;padding:17px 3px;border-bottom:1px solid #d5d2c9}.r-mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#dbe8fb;color:var(--blue);font:600 12px var(--mono)}.resource-name b,.resource-name small{display:block}.resource-name b{font-size:12px}.resource-name small{font:9px var(--mono);color:#7c858f;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:390px}.readme-link{font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:var(--blue)}.open-code{font-size:16px}.row-index{font:8px var(--mono);color:#9a9a96}.resource-row:hover .resource-name b{color:var(--blue)}.show-more{width:100%;border:1px solid var(--ink);background:transparent;margin-top:20px;padding:14px;font-size:10px;font-weight:700}.show-more span{margin-left:20px;color:var(--coral)}.empty-state{padding:40px 10px;color:var(--muted);font-size:12px}.teaching{background:var(--blue);color:#fff;padding:110px 8vw;display:grid;grid-template-columns:1fr 1fr;gap:10vw;align-items:center}.teaching h2 em{color:#bcd6ff}.teaching-copy>p{color:#d9e7fa;line-height:1.75;max-width:580px}.permission-note{border-top:1px solid #79a9ed;margin-top:32px;padding-top:20px}.permission-note span{font:9px var(--mono);text-transform:uppercase;letter-spacing:.14em}.permission-note p{font-size:11px;color:#d9e7fa}.course-path{border:1px solid #75a6ec;padding:30px;display:grid;grid-template-columns:1fr 20px 1fr 20px 1fr;gap:14px;align-items:center}.path-label{grid-column:1/-1;font:9px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:#c9dcf7;margin-bottom:14px}.course-path div{text-align:center}.course-path b,.course-path small{display:block}.course-path b{font:500 19px var(--serif)}.course-path small{font-size:9px;color:#c5d9f5;margin-top:5px}.course-path i{height:1px;background:#9cc1f4}.lineage{padding:110px 7vw;display:grid;grid-template-columns:.85fr 1.7fr;gap:7vw;align-items:center;background:#f7f5f0}.lineage-copy>p{color:var(--muted);line-height:1.75}.lineage-copy>a{display:inline-block;margin-top:18px;font-size:10px;font-weight:700;color:var(--blue)}.portrait-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.portrait-grid figure{margin:0;background:#fff;border:1px solid var(--line)}.portrait-grid img{width:100%;height:285px;object-fit:cover;object-position:center top;display:block;filter:grayscale(1);transition:.25s}.portrait-grid figure:hover img{filter:grayscale(.15)}.portrait-grid figcaption{padding:16px}.portrait-grid b,.portrait-grid span{display:block}.portrait-grid b{font:500 18px var(--serif)}.portrait-grid span{font:8px var(--mono);color:var(--muted);margin-top:5px}footer{background:#061426;color:#aab7c6;padding:65px 6vw 45px;display:grid;grid-template-columns:1.5fr .65fr .8fr 1.4fr;gap:6vw;font-size:11px}.inverse{color:#fff}.inverse>span{background:#fff;color:var(--navy)}.footer-brand>p{max-width:300px;line-height:1.6;margin-top:22px}.footer-links{display:flex;flex-direction:column;gap:11px}.footer-links>span{font:9px var(--mono);text-transform:uppercase;letter-spacing:.15em;color:#63768c;margin-bottom:4px}.footer-links a:hover{color:#fff}.footer-legal{display:flex;flex-direction:column;justify-content:space-between;line-height:1.6}.footer-legal p{margin:0}.footer-legal small{color:#607288;margin-top:30px}@media(max-width:980px){.site-header{padding:0 24px}.hero{padding:75px 35px 55px}.hero-grid{grid-template-columns:1fr}.hero-aside{display:none}.book{grid-template-columns:1fr 1.2fr}.book .section-label,.book-rail{display:none}.results-showcase{grid-template-columns:1fr 1fr}.results-heading,.result-wide{grid-column:1/-1}.code{grid-template-columns:1fr;gap:35px}.code-intro{position:static}.code-intro>p{max-width:650px}.course-path{grid-template-columns:1fr}.course-path i{width:1px;height:20px;margin:auto}.appendix-strip{grid-template-columns:38px 1fr}.teaching{gap:5vw}.lineage{grid-template-columns:1fr}.lineage-copy{max-width:600px}footer{grid-template-columns:1.3fr 1fr 1fr}.footer-legal{grid-column:1/-1}}@media(max-width:720px){.site-header{height:70px}.brand b{font-size:14px}.brand>span{width:38px;height:38px}.nav-cta{display:none}.menu{display:block}nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;padding:25px;flex-direction:column;border-bottom:1px solid var(--line)}nav.open{display:flex}.hero{min-height:710px;padding:70px 23px 45px}.hero-art{background-image:linear-gradient(90deg,#07182ff7,#07182f85),url(../hero-v2.png);background-position:62% center}h1{font-size:51px}.subtitle{font-size:18px}.actions{flex-direction:column;align-items:flex-start}.hero-foot{margin-top:45px}.book{display:block;padding:85px 24px}.book-title{margin-bottom:42px}.chapters{padding:85px 22px}.section-head{display:block}.section-head>p{margin-top:30px}.chapter-grid{grid-template-columns:1fr;margin-top:40px}.chapter-card{padding:27px 23px}.appendix-strip{gap:14px}.results-showcase{padding:80px 22px;display:block}.results-heading{padding:0 0 30px}.result-card{margin-top:14px}.result-card img,.result-wide img{height:230px}.code{padding:85px 22px}.toolbar{grid-template-columns:1fr}.toolbar select{height:44px}.resource-row{grid-template-columns:38px 1fr 25px}.resource-row .readme-link,.row-index{display:none}.resource-name small{max-width:220px}.teaching{grid-template-columns:1fr;padding:80px 24px}.course-path{margin-top:25px}.lineage{padding:80px 22px}.portrait-grid{grid-template-columns:1fr 1fr}.portrait-grid figure:last-child{grid-column:1/-1}.portrait-grid img{height:240px}footer{grid-template-columns:1fr 1fr;padding:55px 24px;gap:45px 25px}.footer-brand,.footer-legal{grid-column:1/-1}}.readme-link{border:0;background:none;padding:0;cursor:pointer;font-family:var(--sans)}.resource-dialog{width:min(900px,92vw);max-height:90vh;border:0;padding:0;background:#fff;color:var(--ink);box-shadow:0 24px 80px #0310224d}.resource-dialog::backdrop{background:#040f1fb8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.dialog-shell{position:relative;padding:52px 58px}.dialog-close{position:absolute;right:20px;top:16px;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:#fff;font:300 24px/1 var(--sans);color:var(--muted)}.dialog-kicker{text-transform:uppercase;letter-spacing:.16em;font:500 9px var(--mono);color:var(--coral)}.resource-dialog h2{font-size:clamp(38px,5vw,62px);line-height:.96;margin:15px 50px 20px 0}.dialog-description{font-size:14px;line-height:1.85;color:#536174;max-width:760px}.dialog-tags{display:flex;flex-wrap:wrap;gap:7px;margin:24px 0}.dialog-tags span{border:1px solid #d3dae3;border-radius:20px;padding:6px 9px;font:8px var(--mono);color:#566577}.dialog-gallery-wrap{margin:30px 0}.dialog-gallery-head{padding:0 2px 13px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line)}.dialog-gallery-head span,.dialog-gallery-head b{font:8px var(--mono);text-transform:uppercase;letter-spacing:.13em}.dialog-gallery-head span{color:var(--coral)}.dialog-gallery-head b{color:var(--muted)}.dialog-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}.dialog-output{min-width:0;margin:0;border:1px solid var(--line);background:#fff}.dialog-output:only-child{grid-column:1 / -1}.dialog-image-frame{position:relative;aspect-ratio:7 / 5;display:grid;place-items:center;overflow:hidden;background:linear-gradient(110deg,transparent 28%,rgba(255,255,255,.72) 45%,transparent 62%) -180% 0 / 240% 100% no-repeat,#f1f2f1;animation:dialog-image-loading 1.5s ease-in-out infinite}@keyframes dialog-image-loading{to{background-position:180% 0}}.dialog-image-status{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;pointer-events:none}.dialog-image-status i{width:20px;height:20px;margin-bottom:11px;border:1px solid #bcc5ce;border-top-color:var(--blue);border-radius:50%;animation:dialog-spin .8s linear infinite}@keyframes dialog-spin{to{transform:rotate(360deg)}}.dialog-image-status b,.dialog-image-status small{display:block}.dialog-image-status b{font:500 9px var(--mono);color:#647385}.dialog-image-status small{margin-top:5px;font:7px var(--mono);color:#98a2ad}.dialog-output img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10px;opacity:0;color:transparent;background:#f6f5f1;transition:opacity .25s ease}.dialog-output.loaded .dialog-image-frame{animation:none;background:#f6f5f1}.dialog-output.loaded img{opacity:1}.dialog-output.loaded .dialog-image-status{display:none}.dialog-output.failed .dialog-image-frame{animation:none;background:#f4f1ed}.dialog-output.failed .dialog-image-status b{color:#9b4d42}.dialog-output figcaption{padding:11px 13px;display:flex;align-items:center;gap:10px;border-top:1px solid var(--line)}.dialog-output figcaption span{font:8px var(--mono);color:var(--coral)}.dialog-output figcaption b{font-size:9px}.dialog-output figcaption small{margin-left:auto;font:7px var(--mono);color:var(--blue)}.dialog-gallery-more{width:100%;margin-top:12px;padding:13px 15px;border:1px solid var(--ink);display:flex;justify-content:space-between;color:var(--ink);background:#fff;font-size:9px;font-weight:700}.dialog-gallery-more span{color:var(--coral)}.dialog-gallery-more:hover{color:var(--blue)}.dialog-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);margin:30px 0 0}.dialog-meta div{padding:16px 12px 16px 0;border-bottom:1px solid var(--line)}.dialog-meta dt{font:8px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:#8793a1}.dialog-meta dd{margin:6px 0 0;font-size:11px;line-height:1.55}.dialog-actions{display:flex;gap:10px;margin-top:28px}.dialog-raw{border:1px solid var(--ink)}@media(max-width:620px){.resource-row{grid-template-columns:38px minmax(0,1fr) auto 25px}.resource-row .readme-link{display:block}.dialog-shell{padding:45px 24px 30px}.resource-dialog h2{font-size:38px}.dialog-gallery{grid-template-columns:1fr}.dialog-output{grid-column:1!important}.dialog-meta{grid-template-columns:1fr}.dialog-actions{flex-direction:column;align-items:stretch}.dialog-actions .button{text-align:center}}.learning{padding:112px 7vw;color:#fff;background:var(--navy)}.learning-head{max-width:1240px;margin:0 auto 52px;display:grid;grid-template-columns:1.05fr .95fr;gap:9vw;align-items:end}.learning h2{margin:18px 0 0;font-size:clamp(50px,5.2vw,76px);line-height:.94}.learning h2 em{color:var(--sky)}.learning-intro>p{margin:0;color:#afbed0;line-height:1.8}.learning-actions{margin-top:28px;display:flex;align-items:center;gap:24px}.course-button{background:var(--coral);color:#fff}.course-button span{margin-left:25px}.text-link{color:var(--sky);font-size:10px;font-weight:700}.ecosystem-grid{max-width:1240px;margin:auto;display:grid;grid-template-columns:1.15fr 1fr 1fr;border-top:1px solid #33465f;border-left:1px solid #33465f}.ecosystem-card{min-height:310px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid #33465f;border-bottom:1px solid #33465f;transition:background .2s,transform .2s}.ecosystem-card:hover{background:#102746}.ecosystem-card.featured{background:var(--blue)}.ecosystem-card.featured:hover{background:#1e6fd8}.ecosystem-no{font:9px var(--mono);letter-spacing:.14em;color:var(--coral)}.featured .ecosystem-no{color:#d9e9ff}.ecosystem-card small{font:8px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:#8fa2b8}.featured small{color:#d1e3ff}.ecosystem-card h3{margin:9px 0 12px;font:500 29px/1.05 var(--serif)}.ecosystem-card p{margin:0;color:#9fb0c3;font-size:11px;line-height:1.75}.featured p{color:#d9e7fb}.ecosystem-card>b{padding-top:18px;border-top:1px solid #33465f;font-size:10px}.featured>b{border-color:#78aaf0}.slide-catalog{max-width:1240px;margin:48px auto 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid #33465f}.quantlet-access{max-width:1240px;margin:42px auto 0;padding:32px;display:grid;grid-template-columns:210px minmax(0,1fr) 180px;gap:42px;align-items:center;background:#fff;color:var(--ink)}.quantlet-qr{display:block;padding:13px;border:1px solid var(--line);background:#fff}.quantlet-qr img{width:100%;display:block;image-rendering:pixelated}.quantlet-copy h3{margin:12px 0 10px;font:500 35px/1 var(--serif)}.quantlet-copy>p{max-width:610px;margin:0;color:var(--muted);font-size:12px;line-height:1.75}.quantlet-copy code{display:inline-block;margin:18px 0;padding:7px 9px;background:#edf3fb;color:var(--blue);font:9px var(--mono)}.quantlet-mark{align-self:stretch;display:flex;flex-direction:column;justify-content:center;padding-left:31px;border-left:1px solid var(--line)}.quantlet-mark b{font:500 62px/.9 var(--serif);color:var(--blue)}.quantlet-mark span{margin-top:11px;font:8px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.13em;color:var(--muted)}.slide-catalog-head{grid-column:1 / -1;padding:0 0 13px;display:flex;justify-content:space-between;font:9px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:#71869e}.slide-catalog a{display:grid;grid-template-columns:34px 1fr auto 16px;gap:13px;align-items:center;padding:17px 15px 17px 0;border-bottom:1px solid #33465f}.slide-catalog a:nth-child(2n){padding-left:22px;border-left:1px solid #33465f}.slide-catalog a:hover b{color:var(--sky)}.slide-catalog a>span{font:9px var(--mono);color:var(--coral)}.slide-catalog a>b{font:500 16px var(--serif)}.slide-catalog a>small{font:8px var(--mono);text-transform:uppercase;letter-spacing:.1em;color:#8498af}.slide-catalog a>i{color:var(--coral);font-style:normal}.rights-note{max-width:1240px;margin:32px auto 0;padding:19px 0 0;display:grid;grid-template-columns:180px 1fr;border-top:1px solid #33465f}.rights-note b{font:9px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--sky)}.rights-note p{max-width:770px;margin:0;color:#8598ae;font-size:10px;line-height:1.7}@media(max-width:980px){.learning-head{gap:5vw}.ecosystem-grid{grid-template-columns:1fr 1fr}.ecosystem-card.featured{grid-column:1 / -1;min-height:260px}.quantlet-access{grid-template-columns:180px 1fr}.quantlet-mark{display:none}}@media(max-width:720px){.learning{padding:82px 22px}.learning-head{grid-template-columns:1fr;gap:28px}.learning-actions{align-items:flex-start;flex-direction:column}.ecosystem-grid{grid-template-columns:1fr}.ecosystem-card.featured{grid-column:auto}.ecosystem-card{min-height:260px}.quantlet-access{grid-template-columns:1fr;gap:25px;padding:24px}.quantlet-qr{width:min(100%,230px);margin:auto}.quantlet-copy{text-align:center}.quantlet-copy code{max-width:100%;overflow-wrap:anywhere}.slide-catalog{grid-template-columns:1fr}.slide-catalog a:nth-child(2n){padding-left:0;border-left:0}.slide-catalog a{grid-template-columns:28px minmax(0,1fr) auto 12px;padding-right:0}.slide-catalog a>small{font-size:7px}.rights-note{grid-template-columns:1fr;gap:10px}}.chapter-study{padding:112px 7vw;background:#f7f5f0}.chapter-study-head{max-width:1240px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:9vw;align-items:end}.chapter-study-head h2{margin:18px 0 0;font-size:clamp(50px,5.2vw,76px);line-height:.94}.chapter-study-head h2 em{color:var(--blue)}.chapter-study-head>p{max-width:520px;margin:0;color:var(--muted);line-height:1.8}.chapter-tabs{max-width:1240px;margin:48px auto 0;display:grid;grid-template-columns:repeat(10,minmax(0,1fr));border:1px solid #d7d4cb}.chapter-tabs button{min-height:56px;border:0;border-right:1px solid #d7d4cb;background:transparent;color:#7c8794;font:9px var(--mono)}.chapter-tabs button:last-child{border-right:0}.chapter-tabs button:hover{color:var(--blue)}.chapter-tabs button.active{background:var(--blue);color:#fff}.chapter-lesson{max-width:1240px;margin:0 auto;border:1px solid #d7d4cb;border-top:0;background:#fff}.lesson-hero{padding:54px;display:grid;grid-template-columns:.78fr 1.22fr;gap:8vw;border-bottom:1px solid var(--line)}.lesson-kicker{font:9px var(--mono);text-transform:uppercase;letter-spacing:.15em;color:var(--coral)}.lesson-hero h3{margin:14px 0 0;font:500 clamp(39px,4.2vw,62px)/.98 var(--serif);letter-spacing:-.035em}.lesson-question{margin:0 0 20px;font:500 25px/1.3 var(--serif);color:var(--blue)}.lesson-overview{margin:0;color:var(--muted);line-height:1.8}.concept-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--line)}.concept-card{min-height:245px;padding:28px;border-right:1px solid var(--line)}.concept-card:last-child{border-right:0}.concept-card>span{font:9px var(--mono);color:var(--coral)}.concept-card h4{margin:45px 0 12px;font:500 22px var(--serif)}.concept-card p{margin:0;color:var(--muted);font-size:11px;line-height:1.72}.lesson-method{display:grid;grid-template-columns:.9fr 1.1fr;border-bottom:1px solid var(--line)}.equation-panel,.workflow-panel{padding:42px 48px}.equation-panel{background:var(--navy);color:#fff}.lesson-label{font:8px var(--mono);text-transform:uppercase;letter-spacing:.15em;color:#8292a4}.equation{margin:48px 0 28px;overflow-wrap:anywhere;font:400 clamp(23px,2.3vw,35px)/1.3 var(--serif);color:var(--sky)}.equation-panel p{margin:0;color:#9fb0c3;font-size:11px;line-height:1.7}.workflow-panel ol{list-style:none;counter-reset:lesson-step;margin:27px 0 0;padding:0}.workflow-panel li{counter-increment:lesson-step;display:grid;grid-template-columns:34px 1fr;gap:13px;padding:14px 0;border-top:1px solid var(--line);font-size:12px;line-height:1.55}.workflow-panel li:before{content:"0" counter(lesson-step);font:9px var(--mono);color:var(--coral)}.lesson-insights{display:grid;grid-template-columns:1fr 1.2fr 1fr;border-bottom:1px solid var(--line);background:#f8f7f3}.lesson-insights article{padding:36px 34px;border-right:1px solid var(--line)}.lesson-insights article:last-child{border-right:0}.lesson-insights p,.lesson-insights li{color:#5f6d7c;font-size:11px;line-height:1.75}.lesson-insights p{margin:22px 0 0}.lesson-insights ul{margin:17px 0 0;padding:0;list-style:none}.lesson-insights li{position:relative;padding:7px 0 7px 18px;border-top:1px solid var(--line)}.lesson-insights li:before{content:"×";position:absolute;left:0;color:var(--coral)}.lesson-footer{padding:32px 48px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}.lesson-footer p{max-width:720px;margin:7px 0 0;font:500 18px/1.45 var(--serif)}.lesson-actions{display:flex;gap:10px}.lesson-code{border:1px solid var(--ink);background:transparent}.chapter-card-actions{display:grid;grid-template-columns:1fr auto;gap:18px;margin-top:24px;border-top:1px solid #34475f}.chapter-card .chapter-card-actions button,.chapter-card .chapter-card-actions a{width:auto;margin:0;padding-top:18px;border:0;display:flex;justify-content:space-between;font-size:10px;font-weight:700}.chapter-card .chapter-card-actions button:last-child{color:var(--sky)}.chapter-card .chapter-card-actions a span{margin-left:34px;color:var(--coral)}@media(max-width:980px){.chapter-study-head{gap:5vw}.chapter-tabs{grid-template-columns:repeat(5,1fr)}.chapter-tabs button:nth-child(5){border-right:0}.chapter-tabs button:nth-child(-n+5){border-bottom:1px solid #d7d4cb}.concept-grid{grid-template-columns:1fr 1fr}.concept-card:nth-child(2){border-right:0}.concept-card:nth-child(-n+2){border-bottom:1px solid var(--line)}.lesson-insights{grid-template-columns:1fr 1fr}.lesson-insights article:last-child{grid-column:1 / -1;border-top:1px solid var(--line)}}@media(max-width:720px){.chapter-study{padding:82px 22px}.chapter-study-head{grid-template-columns:1fr;gap:25px}.chapter-tabs{overflow-x:auto;grid-template-columns:repeat(10,56px)}.chapter-tabs button{border-bottom:0!important}.chapter-tabs button:nth-child(5){border-right:1px solid #d7d4cb}.lesson-hero{padding:34px 25px;grid-template-columns:1fr;gap:28px}.concept-grid{grid-template-columns:1fr}.concept-card{min-height:0;border-right:0;border-bottom:1px solid var(--line)}.concept-card:last-child{border-bottom:0}.concept-card h4{margin-top:28px}.lesson-method,.lesson-insights{grid-template-columns:1fr}.lesson-insights article{border-right:0;border-bottom:1px solid var(--line)}.lesson-insights article:last-child{grid-column:auto;border-top:0;border-bottom:0}.equation-panel,.workflow-panel{padding:34px 25px}.lesson-footer{padding:30px 25px;grid-template-columns:1fr;gap:25px}.lesson-actions{flex-direction:column;align-items:stretch}.lesson-actions .button{text-align:center}}.authors-feature{padding:112px 7vw;background:#fff}.authors-head{max-width:1240px;margin:auto;display:grid;grid-template-columns:1.05fr .95fr;gap:9vw;align-items:end}.authors-head h2{margin:18px 0 0;font-size:clamp(50px,5.2vw,76px);line-height:.94}.authors-head h2 em{color:var(--blue)}.authors-head>p{max-width:530px;margin:0;color:var(--muted);line-height:1.8}.author-grid{max-width:1240px;margin:54px auto 0;border-top:1px solid var(--line)}.author-card{min-width:0;display:grid;grid-template-columns:minmax(300px,355px) minmax(0,1fr);border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-left:1px solid var(--line);background:#fff}.author-card:nth-child(2n) .author-identity{grid-column:2;grid-row:1}.author-card:nth-child(2n){grid-template-columns:minmax(0,1fr) minmax(300px,355px)}.author-card:nth-child(2n) .author-body{grid-column:1;grid-row:1}.author-identity{position:relative;width:100%;aspect-ratio:4 / 5;min-height:0;padding:29px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;color:#fff;background:var(--navy)}.author-photo{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover;filter:saturate(.8) contrast(1.03);transform:scale(1.001);transition:filter .3s,transform .5s}.author-card:hover .author-photo{filter:saturate(1) contrast(1.01);transform:scale(1.025)}.author-photo-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,#05132557,#05132505 42%,#051325e6),linear-gradient(90deg,rgba(5,19,37,.2),transparent 58%)}.author-identity:before,.author-identity:after{content:"";position:absolute;z-index:2;border:1px solid rgba(255,255,255,.2);border-radius:50%}.author-identity:before{width:260px;height:260px;right:-100px;top:-115px}.author-identity:after{width:170px;height:170px;right:-45px;bottom:-92px}.author-sequence{position:relative;z-index:3;font:9px var(--mono);letter-spacing:.16em;color:#fff}.author-signal{position:absolute;left:29px;right:29px;bottom:82px;height:44px;z-index:2;opacity:.28;background:linear-gradient(148deg,transparent 0 13%,rgba(255,255,255,.45) 13.5% 14%,transparent 14.5% 34%,rgba(255,255,255,.45) 34.5% 35%,transparent 35.5% 58%,rgba(255,255,255,.45) 58.5% 59%,transparent 59.5% 75%,rgba(255,255,255,.45) 75.5% 76%,transparent 76.5%)}.author-field{position:relative;z-index:3;max-width:255px;font:8px/1.55 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:#edf3fa}.author-body{min-width:0;padding:48px clamp(36px,5vw,72px);display:flex;flex-direction:column;justify-content:center}.author-body h3{margin:0;font:500 clamp(36px,3.4vw,48px)/1 var(--serif)}.author-role{max-width:720px;margin:14px 0 21px;font:8px/1.7 var(--mono);text-transform:uppercase;letter-spacing:.09em;color:var(--blue)}.author-bio{max-width:720px;margin:0;color:var(--muted);font-size:12px;line-height:1.85}.author-tags{display:flex;flex-wrap:wrap;gap:7px;margin:27px 0}.author-tags span{padding:6px 9px;border:1px solid var(--line);border-radius:18px;font:7px var(--mono);color:#657487}.author-contact{width:100%;max-width:720px;display:grid;grid-template-columns:.72fr 1.28fr;border-top:1px solid var(--line)}.author-link,.author-email{min-width:0;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 0 0;font-size:10px;font-weight:700}.author-email{margin-left:22px;padding-left:22px;border-left:1px solid var(--line)}.author-email small{flex:0 0 auto;font:7px var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.author-email b{min-width:0;overflow:hidden;text-overflow:ellipsis;font:500 9px var(--mono);color:var(--blue)}.author-link span,.author-email span{color:var(--coral)}.author-link:hover,.author-email:hover{color:var(--blue)}.author-thesis{max-width:1240px;margin:34px auto 0;padding:26px 0 0;display:grid;grid-template-columns:190px 1fr;gap:45px;border-top:1px solid var(--line)}.author-thesis>span{font:9px var(--mono);text-transform:uppercase;letter-spacing:.15em;color:var(--coral)}.author-thesis p{max-width:820px;margin:0;font:500 23px/1.4 var(--serif)}@media(max-width:980px){.authors-head{gap:5vw}.author-card{grid-template-columns:minmax(260px,310px) minmax(0,1fr)}.author-card:nth-child(2n){grid-template-columns:minmax(0,1fr) minmax(260px,310px)}.author-body{padding:38px 40px}}@media(max-width:720px){.authors-feature{padding:82px 22px}.authors-head{grid-template-columns:1fr;gap:27px}.author-card,.author-card:nth-child(2n){grid-template-columns:1fr}.author-card:nth-child(2n) .author-identity,.author-card:nth-child(2n) .author-body{grid-column:1;grid-row:auto}.author-identity{aspect-ratio:4 / 5;max-height:none}.author-body{padding:35px 27px 38px}.author-body h3{font-size:37px}.author-bio,.author-role{min-height:0}.author-contact{grid-template-columns:1fr}.author-email{margin:14px 0 0;padding:14px 0 0;border-top:1px solid var(--line);border-left:0}.author-thesis{grid-template-columns:1fr;gap:12px}}
