html{scroll-padding-top:92px}
section[id]{scroll-margin-top:92px}
body>header{position:sticky;top:0;z-index:100;max-width:none;width:100%;min-height:76px;padding:18px max(48px,calc((100vw - 1184px)/2));background:#20373a;color:#f1f5ef;border-bottom:1px solid #688176;box-shadow:0 5px 18px rgba(10,30,28,.12)}
body>header .dot{color:#d7fd6b}
body>header nav a:hover{color:#d7fd6b}
.portfolio-invitation{border-top:1px solid var(--line);margin-top:28px;padding:32px 0 0;display:flex;align-items:center;justify-content:space-between;gap:35px}
.portfolio-invitation .section-kicker{margin-bottom:8px}
.portfolio-invitation h3{font-size:29px;font-weight:500;letter-spacing:-.05em;margin:0}
.portfolio-invitation p:last-child{margin:8px 0 0;color:var(--muted)}
.portfolio-invitation .button{flex:none}
.ai-copy .ai-explore{margin-top:4px;background:#d7fd6b;color:#173638;font-weight:700}
.ai-copy .ai-explore:hover,.button-accent:hover{background:#eaff9e;color:#173638}
.ai-partners{border-top:1px solid #688176;margin-top:24px;padding-top:22px;display:flex;align-items:center;flex-wrap:wrap;gap:22px}
.ai-partners img{width:115px;height:auto;filter:invert(1) contrast(1.05);mix-blend-mode:screen}
.partner-booth,.partner-openai{display:block;flex:none;overflow:hidden;color:transparent}
.partner-booth{width:144px;height:37px;background:url('assets/chicago-booth-white.png') no-repeat -177px -48px;background-size:552px 138px}
.partner-openai{width:128px;height:36px;background:url('assets/openai-white.png') no-repeat -541px -72px;background-size:792px 198px}
.ai-page main{max-width:none}
.ai-page-section,.ai-hero{padding-left:max(48px,calc((100vw - 1184px)/2));padding-right:max(48px,calc((100vw - 1184px)/2))}
.ai-hero{display:grid;grid-template-columns:1.2fr .7fr;align-items:start;gap:7%;background:#173638;color:#eaf0e8;padding-top:72px;padding-bottom:90px}
.ai-hero h1{font-family:Georgia,serif;font-size:clamp(48px,5.5vw,80px);line-height:1.04;letter-spacing:-.05em;margin:25px 0}
.ai-hero h1 em,.ai-application h2 em{color:#d7fd6b}
.ai-hero-copy>p:not(.hero-highlight){font-size:21px;line-height:1.5;max-width:700px}
.hero-highlight{display:inline;padding:3px 8px;background:#d7fd6b;color:#173638;font-size:13px;font-weight:700;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.button-accent{background:#d7fd6b;color:#173638;font-weight:700}
.ai-hero .ai-partners{margin-top:26px}
.ai-hero-photo{width:100%;max-height:630px;object-fit:cover;object-position:center 35%;border:9px solid #e7ebdf;transform:rotate(1deg)}
.ai-page-section{padding-top:86px;padding-bottom:94px}
.ai-page-section>.section-kicker{border-bottom:1px solid #a3b2a7;padding-bottom:16px;margin-bottom:45px}
.ai-two-col{display:grid;grid-template-columns:1fr .9fr;gap:9%}
.ai-page-section h2{font-family:Georgia,serif;font-size:clamp(40px,4.2vw,64px);font-weight:400;line-height:1.09;letter-spacing:-.05em}
.ai-page-section h2 em{color:#4d785f}
.ai-two-col p{font-size:18px;line-height:1.63;margin:0 0 22px}
.ai-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:45px;border-top:1px solid #a3b2a7;border-bottom:1px solid #a3b2a7}
.ai-stat-grid div{padding:22px;border-right:1px solid #a3b2a7}
.ai-stat-grid div:first-child{padding-left:0}
.ai-stat-grid div:last-child{border-right:0}
.ai-stat-grid strong{display:block;font:400 54px Georgia,serif;color:#376e50}
.ai-stat-grid span{font-size:11px;letter-spacing:.07em;text-transform:uppercase;font-weight:700}
.ai-curriculum{background:#dfe6dc}
.ai-curriculum h2{max-width:840px;margin-bottom:48px}
.ai-card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.ai-card-grid article{background:#f8f9f2;padding:24px;border-top:5px solid #4d775e;min-height:270px}
.ai-card-grid article span,.ai-voices h3{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#527760;font-weight:800}
.ai-card-grid h3{font:400 28px Georgia,serif;letter-spacing:-.04em;margin:35px 0 13px}
.ai-card-grid p{font-size:14px;line-height:1.55;margin:0}
.ai-voices h3{border-top:1px solid #a3b2a7;padding-top:18px;margin:0 0 11px}
.ai-voices p{font:400 22px/1.5 Georgia,serif;margin-bottom:28px}
.ai-application{background:#183738;color:#e8f0e7}
.ai-application>.section-kicker{color:#b4d3bd;border-color:#688574}
.ai-application h2 em{color:#d7fd6b}
.ai-application li{font-size:16px;line-height:1.55;margin-bottom:14px}
.ai-application ol{padding-left:22px;margin:10px 0 30px}
.ai-application .button{margin-top:18px}
.ai-page .programme-note{color:#687077;font-size:13px}
@media(max-width:900px){.ai-card-grid{grid-template-columns:repeat(2,1fr)}.ai-hero{gap:4%}}
@media(max-width:700px){body>header{padding:15px 24px;min-height:70px}.portfolio-invitation{display:block}.portfolio-invitation .button{margin-top:22px}.ai-page-section,.ai-hero{padding-left:24px;padding-right:24px}.ai-hero,.ai-two-col{display:block}.ai-hero-photo{margin-top:38px;max-height:430px}.ai-stat-grid{grid-template-columns:repeat(2,1fr)}.ai-stat-grid div:nth-child(2){border-right:0}.ai-card-grid{grid-template-columns:1fr}.ai-card-grid article{min-height:0}.ai-page-section{padding-top:70px;padding-bottom:75px}}

.ai-gtm-case{background:#173638;color:#eef5ea}
.ai-gtm-case>.section-kicker{border-color:#668979;color:#c9dfca}
.gtm-case-intro{display:grid;grid-template-columns:1.2fr .8fr;align-items:end;gap:8%}
.gtm-case-intro h2{max-width:760px;margin:10px 0 0}
.ai-gtm-case h2 em{color:#d7fd6b}
.gtm-case-intro>p{font-size:18px;line-height:1.55;margin:0 0 8px}
.gtm-case-tag{color:#d7fd6b;font-size:11px!important;font-weight:800;letter-spacing:.12em;line-height:1.4!important;margin:0 0 12px!important}
.gtm-decision-loop{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:#759585;margin:54px 0 36px;border:1px solid #759585}
.gtm-decision-loop>div{min-width:0;background:#234944;padding:23px 18px 27px}
.gtm-decision-loop span{display:block;color:#d7fd6b;font-size:11px;font-weight:800;letter-spacing:.1em;margin-bottom:26px}
.gtm-decision-loop strong{display:block;font:400 clamp(22px,2.3vw,34px)/1.05 Georgia,serif;margin-bottom:8px}
.gtm-decision-loop small{display:block;color:#c7dacb;font-size:12px;line-height:1.4}
.gtm-case-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gtm-case-grid article{border:1px solid #759585;padding:30px;background:#1b3d3b}
.gtm-case-grid h3{font:400 30px/1.14 Georgia,serif;letter-spacing:-.035em;margin:0 0 17px}
.gtm-case-grid p,.gtm-case-grid li{font-size:15px;line-height:1.6}
.gtm-case-grid p:last-child{margin-bottom:0}
.gtm-case-grid ol{margin:0 0 20px;padding-left:22px}
.gtm-case-grid li{margin-bottom:5px}
.gtm-proof-note{font-size:13px;line-height:1.55;color:#c4d8ca;margin:25px 0 0;max-width:950px}
.gtm-proof-note strong{color:#e9f6dd}
@media(max-width:900px){.gtm-decision-loop{grid-template-columns:repeat(3,minmax(0,1fr))}.gtm-case-intro{gap:5%}}
@media(max-width:700px){
  .ai-page>header{display:block;padding:10px 20px 9px;min-height:70px}
  .ai-page>header .name{display:block;font-size:19px;line-height:1.2}
  .ai-page>header nav{display:flex;flex-wrap:nowrap;gap:17px;overflow-x:auto;white-space:nowrap;max-width:none;padding:6px 0 2px;justify-content:flex-start;font-size:11px;scrollbar-width:none}
  .ai-page>header nav::-webkit-scrollbar{display:none}
  .ai-hero{padding-top:30px;padding-bottom:54px}
  .ai-hero h1{font-size:clamp(39px,10.8vw,45px);line-height:1.01;letter-spacing:-.055em;margin:16px 0 15px}
  .ai-hero-copy>p:not(.hero-highlight){font-size:16px;line-height:1.4;margin:0 0 18px}
  .ai-hero .hero-highlight{font-size:10px;line-height:1.35;padding:2px 5px}
  .ai-hero .button{font-size:12px;padding:12px 14px}
  .ai-hero .ai-partners{margin-top:16px;padding-top:13px;gap:10px;flex-wrap:nowrap}
  .ai-hero .ai-partners img{width:95px}
  .ai-hero .partner-booth{width:112px;height:29px;background-position:-138px -37px;background-size:430px 108px}
  .ai-hero .partner-openai{width:105px;height:30px;background-position:-444px -59px;background-size:650px 162.5px}
  .ai-hero-photo{margin-top:30px}
  .gtm-case-intro,.gtm-case-grid{display:block}
  .gtm-case-intro>p{font-size:16px;margin-top:22px}
  .gtm-decision-loop{grid-template-columns:1fr;margin:30px 0 22px}
  .gtm-decision-loop>div{display:grid;grid-template-columns:28px 88px 1fr;gap:8px;align-items:center;padding:13px 15px}
  .gtm-decision-loop span,.gtm-decision-loop strong{margin:0}
  .gtm-decision-loop strong{font-size:21px}
  .gtm-decision-loop small{font-size:11px}
  .gtm-case-grid article{padding:23px;margin-top:12px}
  .gtm-case-grid h3{font-size:27px}
}
@media(max-width:360px){.ai-hero .ai-partners{gap:5px}.ai-hero .ai-partners img{width:83px}.ai-hero .partner-booth{width:105px}.ai-hero .partner-openai{width:98px}}
@media(max-width:620px){body:not(.ai-page)>header nav a{display:inline-flex;align-items:center;min-height:30px}body:not(.ai-page) .metrics dt{overflow-wrap:anywhere}body:not(.ai-page) .portfolio-invitation .button{max-width:100%}}
@media(max-width:340px){.ai-hero .ai-partners{gap:4px}.ai-hero .ai-partners img{width:72px}.ai-hero .partner-booth{width:90px;height:23px;background-position:-110px -30px;background-size:344px 86px}.ai-hero .partner-openai{width:80px;height:23px;background-position:-341px -45px;background-size:500px 125px}}

/* The AI-in-GTM case adapts the original evidence, workflow and prototype visuals. */
.gtm-evidence{margin:45px 0 22px;background:#e8f1df;color:#173638;padding:30px 34px}
.gtm-evidence-head{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #a9bea5;padding-bottom:13px;color:#426c57;font-size:11px;font-weight:800;letter-spacing:.12em}
.gtm-evidence-chart{padding:22px 0 16px}
.gtm-chart-label{display:flex;justify-content:space-between;color:#60796b;font-size:12px;font-weight:700;padding-left:32%;padding-right:9%}
.gtm-metric-row{display:grid;grid-template-columns:30% 1fr 10%;align-items:center;gap:2%;border-bottom:1px solid #c7d7c0;padding:20px 0}
.gtm-metric-name{font:400 24px/1.15 Georgia,serif;letter-spacing:-.035em}
.gtm-metric-row>strong{font:400 43px/1 Georgia,serif;color:#205544;text-align:right;white-space:nowrap}
.gtm-metric-row>strong small{font:700 13px/1 Arial,sans-serif;margin-left:3px}
.gtm-rail{position:relative;height:56px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;border-bottom:2px solid #aec4a9}
.gtm-rail:after{content:"";position:absolute;left:0;bottom:-2px;width:87%;height:10px;background:#7baa48;border-radius:10px}
.gtm-rail-muted:after{width:40%;background:#6b9388}
.gtm-rail span{z-index:1;font-size:25px;font-weight:750;letter-spacing:-.04em}
.gtm-rail span:last-of-type{color:#205544}
.gtm-evidence>p{font-size:13px;line-height:1.55;max-width:980px;margin:15px 0 0;color:#405d4e}
.gtm-evidence a{text-decoration:underline;text-underline-offset:3px}
.gtm-work-split{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#759585;border:1px solid #759585}
.gtm-work-split>div{padding:30px;background:#204540}
.gtm-work-split>div:last-child{background:#295344}
.gtm-work-split h3,.gtm-bottom-grid h3{font:400 clamp(28px,3vw,40px)/1.1 Georgia,serif;letter-spacing:-.04em;margin:0 0 20px}
.gtm-work-split p:last-child,.gtm-bottom-grid p:last-child{font-size:15px;line-height:1.55;max-width:520px;margin:20px 0 0;color:#d6e5d8}
.gtm-chip-row{display:flex;flex-wrap:wrap;gap:7px}
.gtm-chip-row span{display:inline-block;border:1px solid #a1b99e;padding:8px 11px;font-size:13px;color:#eff8e6}
.gtm-work-split>div:last-child .gtm-chip-row span{background:#d7fd6b;border-color:#d7fd6b;color:#173638;font-weight:700}
.gtm-prototype{border:1px solid #8ba596;margin:0 0 20px;background:#ecf2e8;color:#173638}
.gtm-prototype-head{display:flex;justify-content:space-between;gap:20px;background:#d7fd6b;padding:11px 20px;font-size:11px;font-weight:800;letter-spacing:.1em}
.gtm-prototype-head span:last-child{font-weight:600;letter-spacing:0}
.gtm-prototype-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.gtm-prototype-grid>div{padding:25px;border-right:1px solid #b6c9b7;min-height:240px}
.gtm-prototype-grid>div:last-child{border-right:0}
.gtm-prototype-grid>div>small{display:block;color:#50705b;font-weight:800;letter-spacing:.08em;margin-bottom:12px}
.gtm-prototype-grid>div>strong{font:400 25px/1.15 Georgia,serif;display:block;margin-bottom:22px}
.gtm-prototype-grid p{font-size:14px;line-height:1.5;color:#425f51}
.gtm-signal{display:flex;gap:10px;padding:12px 0;border-top:1px solid #c2d3bf;font-size:13px;font-weight:700}
.gtm-signal b{color:#5d8b50}
.gtm-signal small{display:block;color:#668171;font-size:11px;font-weight:400;margin-top:3px}
.gtm-evidence-lines span{display:block;height:8px;background:#b6cdb3;margin:12px 0;border-radius:20px}
.gtm-evidence-lines span:nth-child(2){width:82%}.gtm-evidence-lines span:nth-child(3){width:58%}
.gtm-decision-buttons{display:flex;flex-wrap:wrap;gap:6px;margin-top:24px}
.gtm-decision-buttons span{padding:8px 11px;border:1px solid #7c9c7b;font-size:12px;font-weight:700}
.gtm-decision-buttons span:first-child{background:#d7fd6b;border-color:#d7fd6b}
.gtm-bottom-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:12px}
.gtm-bottom-grid>div{border:1px solid #759585;background:#1b3d3b;padding:28px}
.gtm-bottom-grid h3 em{color:#d7fd6b}
.gtm-failure-steps{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.gtm-failure-steps span,.gtm-failure-steps strong{padding:10px 12px;border:1px solid #759585;font-size:13px}
.gtm-failure-steps strong{background:#d7fd6b;color:#173638;border-color:#d7fd6b}
.gtm-failure-steps b{color:#d7fd6b}
@media(max-width:900px){.gtm-metric-row{grid-template-columns:25% 1fr 13%}.gtm-metric-name{font-size:20px}.gtm-metric-row>strong{font-size:34px}.gtm-prototype-grid>div{padding:18px}}
@media(max-width:700px){.gtm-evidence{margin:28px 0 14px;padding:22px}.gtm-evidence-head{font-size:9px}.gtm-evidence-head span{max-width:45%}.gtm-chart-label{padding-left:0;padding-right:0}.gtm-metric-row{grid-template-columns:1fr auto;gap:4px 10px}.gtm-metric-name{grid-column:1/3;font-size:19px}.gtm-rail{height:44px}.gtm-rail span{font-size:22px}.gtm-metric-row>strong{font-size:32px}.gtm-work-split,.gtm-prototype-grid,.gtm-bottom-grid{grid-template-columns:1fr}.gtm-work-split>div,.gtm-bottom-grid>div{padding:22px}.gtm-prototype-grid>div{min-height:0;border-right:0;border-bottom:1px solid #b6c9b7}.gtm-prototype-grid>div:last-child{border-bottom:0}.gtm-prototype-head{font-size:9px}.gtm-failure-steps{gap:5px}.gtm-failure-steps span,.gtm-failure-steps strong{font-size:11px;padding:8px}}
.ai-stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:700px){.ai-stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.ai-stat-grid div{padding:14px 9px;border-right:1px solid #a3b2a7!important;border-bottom:0!important}.ai-stat-grid div:last-child{border-right:0!important}.ai-stat-grid strong{font-size:35px}.ai-stat-grid span{font-size:9px;letter-spacing:0}}