:root{--ink:#151619;--muted:#575961;--line:#d9dbe0;--blue:#2b37ed;--paper:#fafafa}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.skip{position:absolute;top:-100px}.skip:focus{top:10px;background:white;padding:12px;z-index:5}.nav{max-width:1400px;margin:auto;padding:30px 6%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.logo{font-size:22px;font-weight:700;letter-spacing:-1px}.logo span{font-size:16px;font-weight:400;color:var(--muted);letter-spacing:0}.nav nav{display:flex;gap:32px;font-size:15px}.nav nav a:hover{color:var(--blue)}main>section,footer{padding-left:6%;padding-right:6%;max-width:1400px;margin:auto}.hero{padding-top:68px;padding-bottom:45px}.eyebrow,.meta,.preview-label,.section-heading>span,.principles>div>span{font-size:12px;letter-spacing:1.4px;font-weight:600}.hero h1{font-size:clamp(60px,8.5vw,124px);line-height:1.02;letter-spacing:-.065em;font-weight:500;margin:32px 0 37px}.hero h1 span{color:var(--blue);font-family:Georgia,serif;font-style:italic;letter-spacing:-.07em}.hero-bottom{display:flex;justify-content:space-between;align-items:center;gap:24px}.hero-bottom p{font-size:21px;line-height:1.5;max-width:520px;margin:0;color:#44464e}.pill{padding:15px 25px;border-radius:99px;font-size:15px;white-space:nowrap}.dark{background:var(--ink);color:white}.dark:hover{background:var(--blue)}.hero-note{font-size:13px;color:var(--muted);margin-top:50px;padding-top:22px;border-top:1px solid var(--line)}.work{padding-top:35px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:35px;gap:20px}.section-heading h2{font-size:30px;font-weight:500;letter-spacing:-1px;margin:0}.count{font-size:16px;color:var(--muted);letter-spacing:0}.section-heading>span{color:var(--muted)}.project{display:grid;grid-template-columns:1.35fr 1fr;gap:7%;align-items:center;margin-bottom:70px}.visual{min-height:440px;border-radius:12px;padding:25px 32px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.blue{background:#c8d4ff}.pink{background:#f4bcca}.lime{background:#d9ed8b}.preview-label{font-size:11px;opacity:.7;letter-spacing:1px}.visual-caption{font-size:14px;text-align:center;margin-top:20px}.tutor-window,.course-window{background:#fff;border:1px solid #ffffff70;border-radius:12px;box-shadow:0 18px 34px #1818501a;margin:25px auto 5px;width:100%;max-width:470px}.window-header{display:flex;gap:10px;align-items:center;padding:16px;border-bottom:1px solid #eee;font-size:13px}.monogram{background:var(--blue);color:#fff;font-size:20px;line-height:30px;text-align:center;width:30px;border-radius:8px}.mini-tag{font-size:11px;background:#f1f2f5;border-radius:5px;padding:3px 8px;margin-left:auto}.chat{padding:20px;font-size:13px}.bubble{padding:12px;border-radius:9px;margin-bottom:12px;max-width:85%;line-height:1.5}.student{background:#ecedff;margin-left:auto}.assistant{background:#f5f5f7}.choices{display:flex;gap:7px;flex-wrap:wrap}.choices span{border:1px solid #b4b9ea;color:#303aa2;padding:5px 9px;border-radius:15px;font-size:11px}.equation{text-align:center;font-size:32px;padding:18px 0;letter-spacing:4px}.equation span{color:#9496a0}.composer{border:1px solid #ddd;border-radius:8px;padding:9px 12px;color:#767883;display:flex;justify-content:space-between}.project-copy .meta{color:var(--muted)}.project-copy h3{font-size:clamp(30px,3.2vw,45px);line-height:1.12;font-weight:500;letter-spacing:-1.7px;margin:20px 0}.project-copy p{color:var(--muted);max-width:400px}.tags{display:flex;gap:7px;flex-wrap:wrap;margin:24px 0}.tags span{font-size:12px;border:1px solid var(--line);padding:4px 10px;border-radius:99px}.text-button{border:none;border-bottom:1px solid var(--ink);background:none;padding:0 0 5px;font-size:15px}.text-button:hover{color:var(--blue);border-color:var(--blue)}.course-window{max-width:490px}.course-body{display:grid;grid-template-columns:.9fr 1.3fr;min-height:250px;font-size:11px}.course-body small{font-size:9px;letter-spacing:.7px;color:#777}.course-body aside{padding:18px 12px;border-right:1px solid #eee}.standard{padding:9px 7px;border:1px solid #eee;border-radius:5px;margin-top:12px}.course-main{padding:18px 12px}.unit{border:1px solid #e2e2e8;border-radius:7px;margin-top:12px;padding:11px}.unit b{font-size:10px}.unit>div{padding-top:10px;color:#777}.unit>div span{display:block;color:#333}.second{background:#f8f8fa}.framework{padding:25px 0}.framework-heading{font-size:38px;line-height:1.1;letter-spacing:-1.5px;margin-bottom:26px}.framework-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.framework-grid>div{padding:16px;border:1px solid #748b343d;border-radius:7px;background:#e9f4c0}.framework-grid span{font-size:11px;display:block;margin-bottom:10px;color:#59692c}.framework-grid b{font-size:15px}.framework-grid p{font-size:12px;line-height:1.5;margin:6px 0 0}.about{background:#181a21;color:#fff;padding-top:70px;padding-bottom:70px;display:grid;grid-template-columns:1fr 1fr;gap:8%;border-radius:12px}.about h2{font-size:clamp(35px,4.3vw,59px);line-height:1.1;font-weight:500;letter-spacing:-2px;margin:24px 0}.about h2 em{font-family:Georgia,serif;font-weight:400;color:#b7c4ff}.about-copy p{font-size:18px;color:#d0d1d7;line-height:1.7}.about-copy p:first-child{margin-top:0}.about-facts{border-top:1px solid #46474e;margin-top:30px;padding-top:20px;display:grid;gap:15px}.about-facts div{display:flex;justify-content:space-between;gap:15px}.about-facts span{font-size:11px;letter-spacing:1px;color:#a1a2aa}.about-facts b{font-size:14px;font-weight:400}.approach{padding-top:85px;padding-bottom:85px}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.principles>div{border-top:1px solid var(--line);padding-top:23px}.principles>div>span{color:var(--blue)}.principles h3{font-size:24px;line-height:1.25;font-weight:500;letter-spacing:-.7px}.principles p{color:var(--muted)}footer{background:var(--blue);color:#fff;padding-top:50px;padding-bottom:25px}.footer-title{font-size:clamp(32px,4.6vw,62px);line-height:1.1;letter-spacing:-2px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:12px;margin-top:45px;padding-top:20px;border-top:1px solid #ffffff50}dialog{border:0;border-radius:14px;width:min(850px,calc(100% - 32px));padding:32px;max-height:90vh;color:var(--ink);background:var(--paper)}dialog::backdrop{background:#111827aa;backdrop-filter:blur(5px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:1px;border-bottom:1px solid var(--line);padding-bottom:18px}.dialog-top button{border:1px solid var(--line);border-radius:30px;padding:7px 15px;background:white;font-size:14px}.case-title{font-size:42px;line-height:1.12;letter-spacing:-1.5px;margin:30px 0 20px}.case-intro{font-size:19px;color:var(--muted)}.case-details{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:30px}.case-details h3{font-size:14px;letter-spacing:.6px;text-transform:uppercase}.case-details p{color:var(--muted)}.case-note{border-top:1px solid var(--line);margin-top:25px;padding-top:18px;font-size:13px;color:var(--muted)}@media(min-width:1500px){.about,footer{border-radius:12px}}@media(max-width:800px){.nav{padding:22px 6%}.logo span{display:none}.nav nav{gap:20px}.hero{padding-top:50px}.hero h1{font-size:clamp(60px,12vw,90px)}.hero-bottom p{font-size:18px}.section-heading>span{display:none}.project{grid-template-columns:1fr;gap:25px;margin-bottom:55px}.visual{min-height:390px;padding:22px}.project-copy h3 br{display:none}.project-copy p{max-width:none}.about{grid-template-columns:1fr;gap:10px;border-radius:0;padding-top:45px;padding-bottom:45px}.principles{grid-template-columns:1fr;gap:18px}.principles h3{margin:12px 0}.approach{padding-top:55px;padding-bottom:55px}.footer-bottom{flex-wrap:wrap}.footer-bottom span:first-child{width:100%}.hero-note{margin-top:35px}.case-details{grid-template-columns:1fr;gap:8px}}@media(max-width:480px){.hero-bottom{align-items:flex-start;flex-direction:column}.hero h1{font-size:58px}.hero .eyebrow{font-size:10px}.visual{min-height:375px;padding:18px 14px}.chat{padding:14px}.framework-heading{font-size:32px}.framework-grid>div{padding:12px}.project-copy h3{font-size:34px}.case-title{font-size:32px}dialog{padding:22px}.course-body{grid-template-columns:.8fr 1.2fr}.nav nav{gap:16px;font-size:14px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Extended case studies */
dialog{width:min(960px,calc(100% - 32px));padding:32px 46px}.dialog-top{position:sticky;top:-32px;background:var(--paper);z-index:2;padding-top:10px}.case-meta{font-size:12px;letter-spacing:1.3px;color:var(--blue);margin-top:30px;font-weight:700}.case-title{font-size:clamp(32px,4vw,52px);max-width:700px}.case-intro{max-width:700px}.case-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.case-summary span{display:block;font-size:11px;letter-spacing:1px;color:var(--muted);margin-bottom:7px}.case-summary b{font-size:14px;font-weight:500;line-height:1.5;display:block}.case-nav{display:flex;gap:10px;flex-wrap:wrap}.case-nav a{font-size:14px;border:1px solid var(--line);padding:6px 14px;border-radius:99px}.case-nav a:hover{background:var(--blue);color:white}.case-section{padding-top:45px;scroll-margin-top:75px}.case-number{font-size:12px;color:var(--blue);letter-spacing:1px;font-weight:700}.case-section>h3{font-size:29px;line-height:1.2;letter-spacing:-.8px;font-weight:500;margin:15px 0}.case-section p{color:var(--muted);line-height:1.75}.case-callout{font-size:23px;line-height:1.45;letter-spacing:-.4px;border-left:3px solid var(--blue);padding:18px 24px;background:#eef0ff;margin-top:25px}.case-process{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:25px}.case-process>div{border-top:1px solid var(--line);padding-top:18px}.case-process span{display:block;font-size:12px;color:var(--blue);margin-bottom:10px}.case-process b{font-size:16px;font-weight:500;line-height:1.4;display:block}.case-process p{font-size:14px;line-height:1.6}.decision{margin-top:24px;padding:22px;border:1px solid var(--line);border-radius:9px}.decision h4{font-size:20px;font-weight:500;line-height:1.35;margin:0 0 10px;letter-spacing:-.3px}.decision>p{margin:0}.decision>div{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}.decision>div b{font-size:12px;text-transform:uppercase;letter-spacing:.7px;color:var(--blue)}.decision>div p{margin:5px 0 0;font-size:15px}.finding{border-top:1px solid var(--line);padding-top:18px;margin-top:18px;display:grid;grid-template-columns:170px 1fr;gap:20px}.finding b{font-size:15px;font-weight:500}.finding p{margin:0;font-size:15px}.evidence-limit{font-size:14px;border-left:3px solid #c3c6ce;padding-left:15px;margin-top:25px}.case-section>h4{font-size:16px;font-weight:500;margin-bottom:0}@media(max-width:650px){dialog{padding:24px}.dialog-top{top:-24px}.case-summary{grid-template-columns:1fr;gap:18px}.case-process{grid-template-columns:1fr}.finding{grid-template-columns:1fr;gap:5px}.case-section>h3{font-size:26px}.case-callout{font-size:20px;padding:16px}.decision{padding:18px}.case-section{padding-top:35px}}