:root{--red:#e82127;--ink:#17191d;--muted:#6f747b;--line:#dedfe2;--paper:#f5f5f4;--white:#fff;--soft:#ececeb;--dark:#111317}
*{box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;overscroll-behavior:none}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--red);outline-offset:5px}
header{height:88px;padding:0 3.6vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(245,245,244,.97);backdrop-filter:blur(14px);position:relative;z-index:5}.brand{text-decoration:none;color:inherit;display:flex;align-items:center;gap:16px;min-width:330px}.tsue-logo{width:auto;height:40px;object-fit:contain}.brand-divider{width:1px;height:42px;background:var(--line)}.wordmark{letter-spacing:7px;font-size:23px;font-weight:700;display:flex;align-items:center;gap:20px}.wordmark small{font-size:9px;letter-spacing:1.8px;font-weight:400;color:var(--muted);white-space:nowrap}nav{display:flex;gap:22px}nav button{border:0;background:none;color:var(--muted);font-size:12px;padding:10px 0}nav button.active{color:var(--ink);box-shadow:0 2px var(--red)}.tools{display:flex;gap:8px;min-width:130px;justify-content:flex-end}.tools button,footer button,.dialoghead button{width:36px;height:36px;border:1px solid var(--line);background:transparent;border-radius:50%;font-size:18px}.tools svg{width:18px;height:18px;margin-top:3px}
main{height:calc(100dvh - 150px);min-height:520px;overflow:hidden;touch-action:pan-y}.slide{height:100%;padding:34px 5vw 26px;position:relative;animation:enter .32s ease;overflow:auto}.slide:not(.hero):not(.thanks){display:flex;flex-direction:column}.slide::-webkit-scrollbar{width:6px}.slide::-webkit-scrollbar-thumb{background:#c7c8ca;border-radius:3px}.eyebrow{font-size:11px;letter-spacing:2.3px;text-transform:uppercase;font-weight:700;color:var(--red);margin:0 0 12px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(50px,6.3vw,94px);line-height:.98;letter-spacing:-4px;margin-bottom:19px;font-weight:500}h2{font-size:clamp(34px,3.35vw,54px);line-height:1.04;letter-spacing:-1.8px;font-weight:500;max-width:1180px;margin-bottom:16px}h3{font-weight:500;font-size:23px;letter-spacing:-.35px;margin-bottom:10px}.lead{font-size:19px;line-height:1.5;color:var(--muted);max-width:900px;margin-bottom:22px}.muted{color:var(--muted)}
.hero{color:white;display:flex;flex-direction:column;justify-content:center;background:#14191f;isolation:isolate;overflow:hidden}.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.82) 0%,rgba(0,0,0,.54) 42%,rgba(0,0,0,.12) 76%),linear-gradient(0deg,rgba(0,0,0,.35),transparent);z-index:-1}.hero>img.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.hero .lead{color:#e4e4e4;max-width:600px}.hero .eyebrow{color:#fff}.hero h1{max-width:760px}.hero .tag{border-top:1px solid #ffffff55;padding-top:16px;display:flex;gap:28px;max-width:640px;font-size:12px;letter-spacing:1.2px}.hero .source{color:#ddd;position:absolute;bottom:14px}.authors{margin:14px 0 18px;font-size:14px;line-height:1.5;color:#f3f3f3}.authors b{font-weight:600}.university-badge{display:none}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px;align-items:stretch}.grid.two{grid-template-columns:1fr 1fr}.grid.four{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--red);padding:22px;min-height:170px;display:flex;flex-direction:column;justify-content:flex-start}.card .num{color:var(--red);font-size:12px;display:block;margin-bottom:18px;font-weight:700;letter-spacing:1px}.card p{color:#5d626a;font-size:16.5px;line-height:1.52;margin-bottom:0}.card strong{color:var(--ink)}
.split{display:grid;grid-template-columns:1.25fr .95fr;gap:3.5vw;align-items:stretch;margin-top:22px;flex:1}.split.equal{grid-template-columns:1fr 1fr}.metric{font-size:62px;letter-spacing:-2.7px;font-weight:500;margin:0 0 5px}.metric small{font-size:18px;letter-spacing:-.3px}.callout{border-left:4px solid var(--red);padding:6px 0 6px 18px;font-size:17px;line-height:1.48;margin:18px 0;color:#565b63}.source{font-size:10px;color:var(--muted);margin-top:16px;line-height:1.5}.source a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.photo{width:100%;height:330px;object-fit:cover;border-radius:4px}.photo.tall{height:430px}.photo-caption{font-size:10px;color:var(--muted);margin-top:6px}.image-strip{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:14px;margin-top:20px;height:340px}.image-strip figure{margin:0;position:relative;overflow:hidden;background:#ddd}.image-strip img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.image-strip figure:hover img{transform:scale(1.02)}.image-strip figcaption{position:absolute;left:12px;bottom:10px;background:#111b;color:#fff;padding:6px 9px;font-size:11px;backdrop-filter:blur(8px)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px;align-items:stretch}.timeline strong{font-size:34px;font-weight:400;letter-spacing:-1.8px}.timeline>div{background:#fff;border:1px solid var(--line);border-top:3px solid var(--red);padding:20px;min-height:205px}.timeline h3{font-size:18px;margin:12px 0 7px}.timeline p{color:var(--muted);font-size:15.5px;line-height:1.48}.timeline.compact strong{font-size:29px}.timeline.compact p{font-size:14.5px}
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}.roadstep{background:#fff;border:1px solid var(--line);padding:24px;min-height:215px;position:relative}.roadstep:after{content:'→';position:absolute;right:-15px;top:43%;font-size:24px;color:var(--red);z-index:2}.roadstep:last-child:after{display:none}.roadstep b{display:block;color:var(--red);font-size:12px;letter-spacing:1px;margin-bottom:23px}.roadstep h3{font-size:22px}.roadstep p{font-size:15.5px;line-height:1.52;color:var(--muted)}
.flywheel{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:850px}.flynode{background:#fff;border:1px solid var(--line);padding:21px;position:relative;min-height:155px}.flynode:nth-child(1),.flynode:nth-child(4){border-top:3px solid var(--red)}.flynode span{font-size:11px;color:var(--red);font-weight:700;letter-spacing:1px}.flynode h3{margin-top:16px}.flynode p{font-size:15.5px;line-height:1.48;color:var(--muted)}.strategy-visual{background:var(--dark);color:white;padding:30px;border-radius:5px;min-height:390px;display:flex;flex-direction:column;justify-content:space-between}.strategy-visual .kicker{font-size:11px;letter-spacing:1.5px;color:#bbb}.strategy-visual .big{font-size:48px;letter-spacing:-2.4px;line-height:1}.strategy-visual .lines{display:grid;gap:9px}.strategy-visual .lines div{display:flex;justify-content:space-between;border-top:1px solid #ffffff2d;padding-top:9px;font-size:13px;color:#ddd}.strategy-visual .lines b{color:#fff;font-weight:500}
.dashboard{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.kpi{background:#fff;border:1px solid var(--line);padding:18px;min-height:125px}.kpi .label{font-size:11px;text-transform:uppercase;letter-spacing:1.1px;color:var(--muted)}.kpi .value{font-size:36px;letter-spacing:-1.5px;margin:14px 0 5px}.kpi .delta{font-size:12px;color:var(--muted)}.kpi .delta.bad{color:#b8282d}.kpi .delta.good{color:#26744a}.dashboard-panels{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.panel{background:#fff;border:1px solid var(--line);padding:20px;min-height:310px}.panel h3{font-size:20px;margin-bottom:14px}.panel .chart{max-height:245px}.mini-dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mini-card{background:#fff;border:1px solid var(--line);padding:18px;min-height:115px}.mini-card b{font-size:25px;font-weight:500;display:block;margin:10px 0 5px}.mini-card span{font-size:11px;color:var(--muted)}
.chart{width:100%;height:auto;overflow:visible}.chart text{font-family:Arial,sans-serif;font-size:12px;fill:#747880}.chart .value{fill:#262a30;font-size:12px;font-weight:600}.chart .gridline{stroke:#e6e6e8;stroke-width:1}.chart .point{cursor:help}.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:11px;color:#5d626a;margin-bottom:7px}.legend i{width:8px;height:8px;display:inline-block;margin-right:6px;border-radius:2px}.unit{font-size:10px;color:var(--muted);margin-bottom:7px}.pill{display:inline-block;background:#e9e9e8;padding:6px 10px;font-size:11px;margin-bottom:14px}.minirow{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0;font-size:15px}.minirow b{font-size:16px;font-weight:500}.barlist{margin-top:14px}.barline{margin:14px 0}.barline .label{display:flex;justify-content:space-between;margin-bottom:7px;font-size:13px}.track{height:18px;background:#e3e4e5}.track i{height:100%;display:block;background:var(--red)}
.sources{display:grid;grid-template-columns:1fr 1fr;gap:6px 32px;margin-top:14px}.sources a{display:block;color:inherit;font-size:12px;line-height:1.3;text-decoration:none;padding:8px 0;border-bottom:1px solid var(--line)}.sources small{display:block;color:var(--muted);margin-top:2px;font-size:10px}.bigquote{font-size:clamp(36px,4.4vw,64px);line-height:1.08;letter-spacing:-1.8px;max-width:1000px;margin:28px 0}.bigquote em{font-style:normal;color:var(--red)}.thanks{display:flex;align-items:center;justify-content:center;text-align:center;height:100%;background:#111317;color:#fff;overflow:hidden}.thanks:before{content:'T';position:absolute;font-size:52vw;font-weight:700;line-height:1;color:#ffffff05;left:50%;top:50%;transform:translate(-50%,-51%)}.thanks-inner{position:relative;z-index:1;max-width:850px}.thanks .eyebrow{color:#ff676b}.thanks h1{font-size:clamp(54px,7vw,104px);margin-bottom:20px}.thanks p{font-size:17px;color:#bbb}.thanks .authors{margin-top:26px;color:#ddd}.thanks-logo{width:auto;height:40px;margin-bottom:22px;filter:brightness(0) invert(1)}
footer{height:62px;padding:0 3.6vw;display:flex;gap:14px;align-items:center;border-top:1px solid var(--line);font-size:11px;background:var(--paper);position:relative;z-index:5}#chapterLabel{min-width:112px;text-transform:uppercase;letter-spacing:1.4px}.progress{height:2px;background:#ddd;flex:1;margin:0 12px}.progress i{display:block;height:100%;background:var(--red);transition:width .28s}#counter{font-variant-numeric:tabular-nums;color:var(--muted)}.navhint{color:#a0a3a8;font-size:9px;letter-spacing:1.2px;white-space:nowrap}footer button{width:32px;height:32px}footer button:disabled{opacity:.25;cursor:default}
#notePanel{position:fixed;right:24px;bottom:78px;width:min(470px,calc(100vw - 48px));background:#17191d;color:#eee;padding:24px;box-shadow:0 10px 60px #0004;z-index:8;line-height:1.55;font-size:14px;max-height:52vh;overflow:auto}#notePanel strong{display:block;font-size:11px;letter-spacing:2px;color:#ff6565;margin-bottom:10px}dialog{width:min(980px,92vw);max-height:85vh;border:0;padding:28px;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#0009;backdrop-filter:blur(6px)}.dialoghead{display:flex;justify-content:space-between;align-items:center}.dialoghead h2{font-size:29px}#slideList{display:grid;grid-template-columns:1fr 1fr;gap:8px}#slideList button{text-align:left;border:1px solid var(--line);padding:13px;background:transparent;font-size:12px;line-height:1.35}#slideList button.current{border-color:var(--red);background:#fff}#slideList span{color:var(--red);margin-right:10px}.data-link{display:inline-block;margin-top:12px;font-size:12px;color:var(--ink)}
@keyframes enter{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media(min-width:1600px){.slide{padding:52px 6vw 34px}.photo{height:330px}.image-strip{height:350px}.panel .chart{max-height:290px}.roadstep{min-height:210px}.dashboard{margin-top:28px}}
@media(max-width:1180px){nav{gap:12px}.wordmark small{display:none}.brand{min-width:auto}.slide{padding:30px 4.5vw 24px}.dashboard{grid-template-columns:repeat(2,1fr)}.grid.four{grid-template-columns:1fr 1fr}.timeline{gap:15px}.timeline p{font-size:13px}.roadmap{grid-template-columns:1fr 1fr}.roadstep:nth-child(2):after{display:none}.image-strip{height:260px}}
@media(max-width:760px){header{height:68px;padding:0 4.5vw}.tsue-logo{width:auto;height: 58px;}.brand-divider{height:28px}.wordmark{font-size:18px;letter-spacing:4px}nav{display:none}.tools{min-width:auto}.tools button{width:31px;height:31px}main{height:calc(100dvh - 125px);min-height:0}.slide{padding:24px 5.5vw}.hero{justify-content:flex-start;padding-top:58px}.hero .university-badge{display:none}.hero h1{font-size:54px;letter-spacing:-3px}.hero .tag{gap:13px;font-size:10px;flex-wrap:wrap}.hero .source{position:static;margin-top:auto;padding-top:42px}.authors{font-size:12px}.split,.split.equal,.grid,.grid.two,.grid.four,.dashboard-panels,.mini-dashboard{grid-template-columns:1fr}.dashboard{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr}.roadmap{grid-template-columns:1fr}.roadstep:after{display:none}.image-strip{grid-template-columns:1fr 1fr;height:310px}.image-strip figure:first-child{grid-column:1/-1}.photo{height:220px}.photo.tall{height:260px}.metric{font-size:44px}.strategy-visual{min-height:260px}.strategy-visual .big{font-size:39px}footer{height:57px;padding:0 4.5vw;gap:8px}#chapterLabel{min-width:0;font-size:9px}.progress{margin:0 2px}.navhint{display:none}#slideList{grid-template-columns:1fr}.sources{grid-template-columns:1fr}.thanks h1{font-size:52px}.thanks-logo{width:auto;height:58px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media print{header,footer,#notePanel,dialog{display:none!important}html,body{overflow:visible}main{height:auto;overflow:visible}.slide{page-break-after:always;height:95vh;overflow:hidden}.hero,.thanks{-webkit-print-color-adjust:exact;print-color-adjust:exact}}