/* DTEL presentation layer. Original supplied logos are served without alteration. */
:root{--sidebar:266px;--navy:#132f5b;--ink:#182c48;--muted:#586b85;--teal:#31579e;--teal-dark:#244781;--line:#dde5f0;--bg:#f5f7fb;--radius:12px}
body{font-family:Lab,'Segoe UI',Arial,sans-serif;font-size:16px;line-height:1.55;color:var(--ink)}
h1,h2,h3{color:var(--ink)}h1{font-weight:650;letter-spacing:-1.8px}h2{font-weight:650;font-size:26px}p{line-height:1.7}.eyebrow{font-size:10px;letter-spacing:1.35px;color:#556e92}.small{font-size:12px}.micro{font-size:11px;line-height:1.65;color:#667991}.badge{font-size:10px;padding:5px 9px}.fact{color:#206447;background:#e9f5ed}.informative{color:#345a9c;background:#eaf0fc}.hypothesis{color:#805913;background:#fff3d7}
.sidebar{background:#fff;color:var(--ink);border-right:1px solid var(--line);padding:22px 18px 18px;overflow-y:auto}.brand-lockup{display:flex;align-items:center;justify-content:center;gap:15px;padding:0 2px;height:80px}.brand-lockup:hover{text-decoration:none}.brand-lockup img{display:block;object-fit:contain;flex-shrink:0}.logo-dtel{width:88px;height:auto}.logo-sncf{width:77px;height:auto}.brand-divider{height:43px;width:1px;background:var(--line)}.brand-caption{font-size:9px;letter-spacing:1.3px;font-weight:700;text-align:center;color:#557299;margin:10px 0 0}.brand-caption span{display:block;font-size:11px;font-weight:500;letter-spacing:0;margin-top:5px;color:var(--ink)}.side-label{margin:32px 0 14px;padding:0 10px;color:#7a8ba4;font-size:9px}.sidebar nav{gap:5px}.sidebar nav a{font-size:12px;color:#546881;padding:13px 11px;gap:11px;border-radius:8px}.sidebar nav a:hover{background:#f1f5fd}.sidebar nav a.active{background:#e9f0fc;color:#244781;box-shadow:inset 3px 0 #31579e;font-weight:650}.nav-number{color:#8b9fba;font-size:9px}.sidebar nav a.active .nav-number{color:#31579e}.side-note{margin:34px 10px 26px}.side-note p{font-size:16px;color:#244781;line-height:1.5}.side-note small{font-size:11px;line-height:1.7;color:#71839d}.tiny-line{background:#31579e;width:28px}.side-bottom{padding:18px 10px 0;border-color:var(--line);gap:12px}.private{font-size:10px;color:#657a96}.side-bottom small{font-size:10px;color:#7a8ba3}.side-bottom strong{color:#557196}
.topbar{height:75px;padding:0 40px;background:#fff;position:relative;z-index:3;font-size:11px}.breadcrumb{white-space:nowrap}.topbar .top-right{gap:16px;font-size:11px;letter-spacing:.5px;color:#577193}.topbar .live-dot{background:#31579e;margin:0}.topbar .button{font-size:11px;padding:8px 13px}.topbar div>span{margin:0 10px}main{max-width:1560px;padding:38px 40px 0}.panel{border-radius:var(--radius);box-shadow:0 4px 18px #18336104;background:#fff}.button{border-radius:7px;font-size:12px;padding:12px 17px;white-space:normal;min-height:42px}.primary{background:#31579e;color:white}.primary:hover{background:#254986}.outline{border-color:#cbd8eb;color:#31579e}.outline:hover{background:#f0f5ff}.subtle{background:#edf2fa;color:#37577e}.subtle:hover{background:#e1eaf8}.text-button{font-size:11px;color:#31579e}.source-link{border-color:#d9e3f3;background:#f4f7fd;color:#31579e;font-size:10px;padding:5px 8px}.source-inline{gap:7px}.section-head{margin:34px 0 20px}.section-head p{font-size:13px}.page-intro h1{font-size:clamp(32px,3vw,45px)}.page-intro p{font-size:15px;max-width:830px}.page-intro{margin-bottom:28px}
.executive-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:stretch;margin:3px 0 28px}.executive-copy{padding:22px 0 14px;min-width:0}.executive-copy .eyebrow{margin-bottom:20px;color:#31579e}.executive-copy h1{font-size:clamp(38px,3.9vw,61px);font-weight:650;letter-spacing:-2px;line-height:1.12}.executive-copy h1 em{color:#31579e}.executive-copy>p{font-size:15px;color:#667b97;max-width:510px;margin:22px 0 24px;line-height:1.75}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.hero-proof{display:flex;flex-wrap:wrap;gap:8px 15px;font-size:10px;color:#7388a5;margin-top:23px}.hero-proof span:before{content:'';display:inline-block;width:4px;height:4px;border-radius:50%;background:#8ca7cd;vertical-align:middle;margin-right:7px}.executive-art{border-radius:15px;overflow:hidden;background:linear-gradient(145deg,#183e72,#102a51);padding:24px 22px 22px;display:flex;flex-direction:column;color:white;min-width:0;box-shadow:0 15px 35px #152f5920}.art-label{display:flex;justify-content:space-between;align-items:center;gap:10px;color:#b9ccec;font-size:9px;letter-spacing:1px}.art-label span:last-child{border:1px solid #507199;padding:4px 7px;border-radius:4px;font-size:8px;letter-spacing:0}.executive-svg{width:100%;height:auto;max-height:330px;display:block;margin:15px 0 8px;stroke:none;flex:1}.art-caption{color:#b1c6e3;font-size:12px;line-height:1.55;border-top:1px solid #3b5780;padding-top:14px}.art-caption strong{font-weight:500;color:white;font-size:16px}.strategy-line{display:flex;gap:17px;align-items:center;border-top:1px solid #d7e1ee;border-bottom:1px solid #d7e1ee;padding:19px 0;margin-bottom:28px}.strategy-line p{font-size:12px;flex:1;color:#57708f;line-height:1.65}.strategy-line>a{font-size:11px;white-space:nowrap}
.trajectory-line{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:0 0 30px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.trajectory-line article{display:flex;align-items:flex-start;gap:13px;padding:22px;border-right:1px solid var(--line)}.trajectory-line article:last-child{border:0}.trajectory-number{font-size:28px;font-weight:300;line-height:1.2;color:#a4b8d6;letter-spacing:-1px;flex-shrink:0}.trajectory-line h3{font-size:15px;color:#244781;margin-bottom:7px}.trajectory-line p{font-size:12px;color:#677d9a;line-height:1.65}
.guided-demo{padding:27px 28px;scroll-margin-top:22px}.demo-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:23px;border-bottom:1px solid var(--line)}.demo-heading h2{font-size:23px;margin-top:7px}.demo-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;padding:27px 0 26px}.demo-narrative{min-width:0}.demo-step{display:flex;gap:17px;align-items:center;font-size:9px;letter-spacing:1px;margin:0 0 16px}.demo-step span:first-child{font-size:18px;letter-spacing:-.5px;color:#31579e}.demo-step span:last-child{color:#8497b2}.demo-narrative h3{font-size:24px;line-height:1.35;letter-spacing:-.5px;max-width:490px;margin-bottom:15px}.demo-narrative>p{color:#637b98;font-size:13px;line-height:1.8}.demo-config{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;border-top:1px solid var(--line);padding-top:15px;margin:20px 0 17px;font-size:10px;color:#7489a6}.demo-config strong{color:#31537d;font-weight:600}.demo-outcome{background:#f4f7fc;border:1px solid #e4ebf6;border-radius:10px;padding:24px;min-width:0;display:flex;flex-direction:column;justify-content:center}.demo-status{font-size:12px;line-height:1.5;color:#557393;border-left:3px solid #7695bd;padding-left:11px;margin-bottom:24px}.demo-status.danger{border-color:#b3504d;color:#9a4240}.demo-status.warning{border-color:#b08740;color:#8a6723}.demo-status.good{border-color:#42785e;color:#2e664e}.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:21px}.demo-metrics>div{display:grid;gap:7px;border-right:1px solid #dce6f2;justify-items:start}.demo-metrics>div:last-child{border:0}.demo-metrics span{font-size:clamp(24px,2.5vw,38px);color:#31579e;font-weight:500;letter-spacing:-1px;white-space:nowrap}.demo-metrics>div:nth-child(2) span{color:#7e92ae}.demo-metrics>div:nth-child(3) span{color:#a54f4b}.demo-metrics small{font-size:10px;color:#6c83a0}.demo-outcome .path-bar{min-height:22px;height:22px;border-radius:5px}.demo-takeaway{font-size:12px;color:#476586;line-height:1.7;margin:20px 0}.demo-outcome .button{align-self:flex-start;font-size:10px;gap:10px;background:white}.demo-controls{display:flex;gap:15px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:22px}.demo-controls>.button{font-size:11px;min-width:105px}.demo-dots{display:flex;gap:6px}.demo-dots button{border:1px solid #d9e3f1;background:#fff;color:#7b93b3;border-radius:5px;font-size:10px;width:29px;height:29px;padding:0}.demo-dots button.selected{background:#31579e;color:#fff;border-color:#31579e}.demo-note{font-size:10px;line-height:1.65;color:#8294ad;margin:18px 0 0}.executive-bottom{display:grid;grid-template-columns:1.25fr 1fr;gap:55px;padding:38px 0 10px}.executive-bottom h2{font-size:25px;margin:9px 0 15px}.executive-bottom p{font-size:13px;color:#6f85a0;max-width:520px}.executive-links{display:grid;align-content:center}.executive-links a{display:flex;gap:14px;align-items:center;padding:19px 2px;border-bottom:1px solid #d6e1f0;font-size:13px;color:#375d93}.executive-links a:hover{color:#132f5b;text-decoration:none}.executive-links a>span{font-size:10px;color:#95a9c6}.executive-links svg{margin-left:auto;width:17px;height:17px}
.hero-visual{background:#eaf0fa;border-color:#d5e1f3;transform:none}.hero h1{font-size:clamp(37px,3.7vw,53px)}.hero-copy .eyebrow{color:#31579e}.visual-top{color:#57749a}.visual-caption{color:#547094}.principle-strip p{color:#617997}.segmented{background:#e6edf8}.segmented button{font-size:12px;color:#647f9f}.segmented button.selected{color:#244781}.component{background:#f7f9fd;border-color:#d8e3f3;color:#46617d}.component b{font-size:13px}.component small{font-size:10px;color:#7a8eac}.component.active{background:#eaf1fd;border-color:#31579e;color:#244781}.component:hover{border-color:#7f9cc7}.architecture-columns{color:#6882a3;font-size:9px}.connection-line{background:#9bb3d6}.transport-node .component{background:#edf2fb}.security-band{background:#f5f8fd;border-color:#c8d6eb;color:#6b829e;font-size:11px}.security-band.active{background:#e9f0fc;border-color:#31579e}.component-detail p{font-size:13px;color:#637995}.component-detail h3{font-size:19px}.component-detail .eyebrow{color:#6a82a2}.dimension-grid article{border-color:#c7d6ed}.dimension-number{color:#b2c5e2}.dimension-grid p{font-size:13px;color:#607897}.dimension-grid a{font-size:11px}.bottom-cta{background:#e9f0fb}.bottom-cta p{font-size:13px}
.notice{background:#fff5dd;border-left-color:#c7a554;padding:19px 21px}.notice strong,.notice a{font-size:12px}.notice p{font-size:12px}.filterbar label,.source-toolbar label{font-size:11px}.filterbar{gap:13px}.table-heading{font-size:12px}.version-table{font-size:12px}.version-table th{background:#edf2fb;color:#637b9f;font-size:10px}.version-table td:nth-child(2),.version-table td:nth-child(4){color:#647c98}.version-table td:first-child{font-size:13px}.scope{font-size:11px}.row-detail{background:#f2f6fd}.detail-button{background:#edf3fd;border-color:#cedcf1;color:#31579e;font-size:11px}.detail-content{font-size:13px}.detail-content h4{color:#647d9f}.detail-content p{color:#557396}.compatibility-table{font-size:12px;min-width:1000px}.compatibility-table thead th{background:#edf2fb;color:#637b9f;font-size:11px}.compatibility-table .selected-board{background:#edf3fd}.compatibility-table .selected-line{box-shadow:inset 0 0 0 1px #8da9d1;background:#e8f0fc}.compatibility-table .compatible{color:#31579e}.compatibility-table tbody th{font-size:12px}.compatibility-result p{font-size:13px;color:#607796}
.sim-intro-note{display:flex;align-items:flex-start;gap:13px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin:0 0 24px}.sim-intro-note>svg{color:#31579e;margin-top:2px}.sim-intro-note>p{font-size:12px;color:#5e7899;flex:1}.sim-intro-note>a{font-size:11px;white-space:nowrap;margin-top:2px}.simulation-toolbar label{font-size:11px}.sim-layout{grid-template-columns:340px 1fr;gap:24px}.controls{padding:24px 22px}.controls legend{font-size:11px;color:#587499}.controls fieldset>label:not(.check){font-size:12px;color:#546f92}select,input[type=search]{font-size:12px;border-color:#ccd9ed;border-radius:6px;min-height:43px;color:#304f7c}.check{font-size:12px;color:#5b7393}.check small{font-size:10px;color:#7589a3}.range-label{font-size:12px;color:#536f94}.range-label output{font-size:13px}.gates-details .check{font-size:11px}.metric-row{padding:25px 12px;box-shadow:0 4px 18px #18336104}.metric{font-size:38px}.metric-row p{font-size:11px;line-height:1.45}.metric-row article{padding:0 16px}.small-head h3{font-size:16px}.result-banner .eyebrow{font-size:9px}.result-banner h2{font-size:22px}.result-banner p{font-size:12px}.result-banner.neutral{background:#e9f0fc;border-color:#cbdcf6;color:#375c90}.path-legend{font-size:11px}.path-segment{font-size:10px}.cohort{font-size:12px;padding:12px 0;color:#677e9a}.cohort-path{font-size:10px}.action-button{background:#f4f7fd;border-color:#d7e2f1;padding:14px 12px}.action-button:hover{background:#edf3fd;border-color:#8da9ce}.action-button b{font-size:12px}.action-button small{font-size:10px;color:#7b8ea6}.history-head{font-size:10px}.history li{font-size:11px}.history .history-number{background:#eaf0fc;color:#557cb8}.concern h4{font-size:12px}.concern p{font-size:11px;color:#70839d}.concern a{font-size:10px}.retirement-note{background:#f0f4fa;color:#536f94;font-size:11px}.assumptions summary{font-size:13px}.assumption-grid p{font-size:12px;color:#657b98}.assumption-grid h3{font-size:13px}.comparison{background:#edf3fd}.comparison p{font-size:12px;color:#577597}
.layer-explorer{display:grid;grid-template-columns:1fr 1.35fr;overflow:hidden}.layer-intro{padding:28px 30px;background:#eef3fc}.layer-intro h2{font-size:31px;line-height:1.25;margin:15px 0 17px;letter-spacing:-.8px}.layer-intro>p{font-size:12px;color:#667f9f;max-width:350px}.layer-buttons{display:grid;gap:7px;margin-top:24px}.layer-buttons button{display:flex;gap:15px;align-items:center;border:1px solid #d3e0f4;border-radius:6px;background:#f7f9ff;color:#6e86a6;text-align:left;font-size:12px;padding:13px 14px}.layer-buttons button span{font-size:11px;color:#92a7c5}.layer-buttons button.selected{background:#31579e;color:#fff;border-color:#31579e}.layer-buttons button.selected span{color:#b2ccf0}.layer-detail{padding:33px;position:relative;min-width:0;display:flex;flex-direction:column;align-items:flex-start}.layer-number{font-size:61px;color:#dae5f6;font-weight:300;align-self:flex-end;line-height:1;margin-bottom:11px}.layer-detail>.eyebrow{font-size:9px}.layer-detail h3{font-size:26px;margin:12px 0 18px;letter-spacing:-.5px}.layer-detail>p{font-size:13px;color:#657d9a;margin-bottom:18px}.layer-detail>.layer-question{font-size:14px;font-weight:600;color:#31579e;border-top:1px solid #e2e9f4;padding-top:19px}.layer-security{display:flex;gap:10px;color:#496c9d;font-size:11px;border-top:1px solid #e2e9f4;padding-top:15px;margin-bottom:19px}.layer-security p{font-size:11px;line-height:1.7}.layer-security svg{width:16px;height:16px;margin-top:2px}.layer-detail>.micro{font-size:10px;color:#8294ad;margin:16px 0 0}.layer-detail .source-inline{margin-top:auto}
.glossary-toolbar{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;margin-bottom:25px}.glossary-toolbar>.search-label{flex:1;min-width:220px;font-size:11px;color:#647e9f}.glossary-filters{display:flex;gap:5px;flex-wrap:wrap;padding-bottom:3px}.glossary-filters button{font-size:11px;border:1px solid #d2deef;background:#fff;color:#67809f;padding:9px 12px;border-radius:6px}.glossary-filters button.selected{background:#e8effc;border-color:#8aa8d5;color:#244781}.glossary-toolbar>.text-button{padding:11px 0;white-space:nowrap}.glossary-list{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}.glossary-card{background:white;border:1px solid var(--line);border-radius:10px;padding:23px 25px;display:flex;flex-direction:column;align-items:flex-start;scroll-margin-top:25px}.glossary-card.highlight{border-color:#31579e;box-shadow:0 0 0 3px #31579e12}.glossary-meta{display:flex;justify-content:space-between;gap:12px;align-self:stretch;font-size:9px;color:#8b9cb4;letter-spacing:.1px}.glossary-meta>span:first-child{color:#597cae}.glossary-card h3{font-size:25px;color:#31579e;margin:16px 0 6px;letter-spacing:-.5px}.glossary-full{font-size:11px;color:#7890b0;line-height:1.65;margin-bottom:14px}.glossary-card>p{font-size:13px;color:#657d9b;line-height:1.75;margin-bottom:19px}.glossary-card>.glossary-takeaway{font-size:11px;border-top:1px solid #e4ebf6;padding-top:14px;color:#4e6d97;line-height:1.7;width:100%}.glossary-takeaway strong{font-size:9px;display:block;text-transform:uppercase;color:#8ba2c1;letter-spacing:.7px;margin-bottom:5px}.glossary-faq{margin-top:28px;border-top:1px solid #dce5f2}.glossary-faq details{border-bottom:1px solid #dce5f2;padding:19px 0}.glossary-faq summary{font-size:14px;cursor:pointer;font-weight:600;color:#3b5e92}.glossary-faq p{font-size:13px;color:#69809d;line-height:1.75;margin:16px 0 3px;max-width:950px}
.evidence-key p{font-size:13px;color:#627d9f}.source-card{padding:24px 25px;border-radius:10px}.source-card .source-meta{color:#6982a3;font-size:10px}.source-card h3{font-size:17px;margin-top:14px}.source-card p{font-size:12px;color:#677f9b;line-height:1.75}.source-card .source-date{font-size:10px;color:#8a9db7}.source-card .source-locator{font-size:11px;color:#587aa5;border-top-color:#e4ebf6}.source-card>a{font-size:11px}.source-card.highlight{border-color:#31579e;box-shadow:0 0 0 3px #31579e12}.source-list{gap:18px}.toast{background:#173b70;color:#fff}footer{font-size:10px;line-height:1.65;color:#8296b0}footer span:first-child{color:#6a83a5;letter-spacing:.5px}footer b{color:#b7c7df}
body.presentation .sidebar{display:none}body.presentation .workspace{margin-left:0}body.presentation main{max-width:1400px;padding:38px 50px 0}body.presentation .topbar{position:sticky;top:0;height:65px;padding:0 50px;border-bottom-color:#d4dff0;box-shadow:0 3px 15px #17365c06}body.presentation .executive-copy h1{font-size:60px}body.presentation .guided-demo{scroll-margin-top:88px}body.presentation .demo-narrative h3{font-size:29px}body.presentation .demo-narrative>p{font-size:15px}body.presentation .demo-metrics span{font-size:44px}body.presentation .demo-takeaway{font-size:14px}
@media(min-width:1600px){main{padding:44px 55px 0}.executive-hero{gap:50px}.executive-art{padding:28px}.demo-layout{gap:45px}.sim-layout{grid-template-columns:360px 1fr}}
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