@charset "UTF-8";

:root{--paper:#fbfbf7;--white:#fff;--ink:#17283d;--muted:#536174;--blue:#0044aa;--blue-dark:#00317c;--line:#dce1e4;--wash:#f0f3f5;--mint:#bfe9d6;--radius:8px;--sans:Inter,"Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:115px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
::selection{background:#d7e7ff;color:var(--blue-dark)}
a{color:inherit;text-decoration:none}
button,summary,a{-webkit-tap-highlight-color:transparent}
a,summary{touch-action:manipulation}
a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px;border-radius:2px}
img,svg{max-width:100%;display:block}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{font-weight:550;line-height:1.13;letter-spacing:-.045em;text-wrap:balance}
h1{font-size:clamp(2.8rem,4.8vw,4.5rem)}
h2{font-size:clamp(2rem,3.3vw,3rem)}
h3{font-size:1.45rem}
p{color:var(--muted)}
.container{width:min(1200px,calc(100% - 96px));margin-inline:auto}
.section{padding-block:100px}
.eyebrow,.small-label{font-size:.7rem;font-weight:650;letter-spacing:.095em;text-transform:uppercase;line-height:1.6}
.eyebrow{color:var(--blue);margin-bottom:24px}
.small-label{color:var(--muted)}
.status-dot{display:inline-block;width:7px;height:7px;flex:none;border-radius:50%;background:#25845f;margin-right:8px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:15px 22px;background:var(--blue);color:var(--white);font-size:.86rem;font-weight:600;border:1px solid var(--blue);border-radius:4px;transition:background .2s,transform .2s}
.button:hover{background:var(--blue-dark);transform:translateY(-2px)}
.button span{font-size:1.2rem;line-height:1}
.button-small{padding:11px 17px;font-size:.78rem;gap:20px}
.text-link{display:inline-flex;align-items:center;gap:16px;font-size:.86rem;font-weight:600;color:var(--blue);text-underline-offset:5px}
.text-link:hover{text-decoration:underline}
.text-link span{font-size:1.2rem}
.skip-link{position:fixed;top:8px;left:8px;z-index:200;padding:12px 20px;background:var(--blue);color:white;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
.site-header{height:97px;position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{flex:none}
.brand img{width:104px;height:auto}
.desktop-nav{display:flex;gap:30px;margin-left:auto;margin-right:20px;font-size:.8rem;font-weight:550}
.desktop-nav a:hover{color:var(--blue)}
.mobile-nav{display:none}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:68px;align-items:center;padding-block:90px 80px}
.hero .eyebrow{font-size:.65rem;letter-spacing:.075em;display:flex;align-items:center;margin-bottom:28px}
.hero h1{max-width:640px}
.hero h1 em{color:var(--blue);font-style:normal}
.hero-description{font-size:1.06rem;max-width:515px;line-height:1.8;margin-top:28px}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:26px;margin-top:34px}
.hero-note{margin-top:26px;font-size:.74rem;color:#647082}
.system-figure{background:#f3f5f5;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 20px;transform:rotate(-1.5deg)}
.figure-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 8px 20px;border-bottom:1px solid var(--line)}
.figure-heading .small-label{font-size:.6rem}
.diagram-mark{font-family:monospace;font-size:.7rem;color:#637287}
.system-diagram{width:100%;margin-block:12px}
.system-figure figcaption{font-size:.67rem;display:flex;align-items:center;padding:14px 8px 0;border-top:1px solid var(--line);color:var(--muted)}
.reference-strip{border-block:1px solid var(--line)}
.reference-strip-inner{min-height:132px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:center;gap:32px;list-style:none;padding:28px 0;margin-block:0}
.reference-strip-inner li{display:flex;align-items:center;justify-content:center;min-width:0}
.reference-logo{width:148px;height:auto;max-height:68px;object-fit:contain}
.reference-logo-geodis{width:68px}
.reference-logo-sncf{width:96px}
.section-heading{display:flex;justify-content:space-between;gap:60px;align-items:flex-end;margin-bottom:45px}
.section-heading .eyebrow{margin-bottom:18px}
.section-heading>p{max-width:320px;font-size:.9rem;padding-bottom:3px}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.service-card{padding:27px 24px 23px;background:var(--white);display:flex;flex-direction:column}
.service-card+.service-card{border-left:1px solid var(--line)}
.service-number{display:flex;align-items:center;justify-content:space-between;color:var(--blue);font: .75rem monospace;margin-bottom:40px}
.service-number span{font-size:1.3rem;font-family:var(--sans);font-weight:400}
.service-card h3{font-size:1.23rem;letter-spacing:-.035em;margin-bottom:22px}
.service-card p{font-size:.81rem;line-height:1.75}
.service-card .service-question{color:var(--ink);font-weight:600;font-size:.76rem;margin-bottom:9px}
.service-foot{font-size:.61rem;color:var(--blue);border-top:1px solid var(--line);padding-top:18px;margin-top:auto}
.service-card>p:last-of-type{margin-bottom:27px}
.audit-note{display:flex;align-items:center;gap:20px;margin-top:24px;padding:22px 25px;background:#eef2f3;border-radius:4px}
.plus-mark{color:var(--blue);font-size:1.5rem}
.audit-note p{flex:1;font-size:.79rem}
.audit-note p strong{color:var(--ink)}
.audit-note a{flex:none;font-size:.78rem}
.references{background:var(--wash);border-block:1px solid var(--line)}
.featured-case{display:grid;grid-template-columns:1.15fr 1fr;border:1px solid #ccd7e3;border-radius:var(--radius);overflow:hidden;background:var(--white)}
.featured-copy{padding:44px}
.featured-copy .eyebrow{margin-bottom:22px}
.featured-copy h3{font-size:2rem}
.featured-copy>p:not(.eyebrow){font-size:.91rem;margin-top:23px;max-width:450px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin:25px 0;padding:0;list-style:none}
.tags li{padding:4px 9px;font-size:.64rem;background:#f0f3f6;border:1px solid #e0e6ee;border-radius:3px;color:#496078}
.featured-copy>.text-link{margin-top:8px}
.featured-results{background:#e8eff8;padding:42px 45px;display:flex;flex-direction:column;justify-content:center}
.featured-results strong{display:block;color:var(--blue);font-size:4.5rem;letter-spacing:-.055em;font-weight:500;line-height:1.1}
.featured-results>div>span{font-size:.83rem;color:#435972}
.code-comparison{margin-top:30px;max-width:330px}
.code-comparison p{font-size:.73rem;color:var(--ink);margin-bottom:15px}
.bar-label{display:flex;justify-content:space-between;gap:10px;font-size:.66rem;color:#496078;margin-block:13px 5px}
.bar{height:9px;border-radius:2px}
.before{background:#a8bbd4;width:100%}
.after{background:var(--blue);width:31.86%}
.result-caption{font-size:.64rem;margin-top:25px;color:#526581}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}
.case-card{padding:30px 32px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column}
.case-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:28px}
.case-card-top .small-label{font-size:.62rem;color:#596b7c}
.case-index{font:.7rem monospace;color:#657388}
.case-card h3{margin-bottom:15px;font-size:1.55rem}
.case-card h3 a:hover{color:var(--blue)}
.case-card>p{font-size:.87rem;max-width:460px;margin-bottom:30px}
.case-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:22px;margin-top:auto}
.case-bottom strong{display:block;color:var(--blue);font-weight:550;font-size:1.7rem;letter-spacing:-.04em}
.case-bottom div>span{display:block;color:var(--muted);font-size:.66rem}
.round-link{display:grid;place-items:center;border:1px solid #ced8e4;border-radius:50%;width:42px;height:42px;flex:none;color:var(--blue);font-size:1.2rem;transition:background .2s,color .2s}
.round-link:hover{background:var(--blue);color:white}
.case-card .project-status{font-size:.62rem;color:#5c6b7a;margin:16px 0 0}
.other-projects{margin-top:40px;padding-top:30px;border-top:1px solid #d4dde4}
.other-projects>div{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:20px}
.other-projects strong{display:block;color:var(--ink);font-size:.81rem;font-weight:600;margin-bottom:5px}
.other-projects span{display:block;font-size:.77rem}
.steps{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;padding:0;margin:55px 0 0}
.steps li{padding:0 25px 0 0;position:relative}
.steps li::before{content:"";position:absolute;left:0;right:0;top:21px;border-top:1px solid #ced7de;z-index:-1}
.step-number{display:grid;place-items:center;background:var(--paper);border:1px solid #cdd9e5;border-radius:50%;width:43px;height:43px;color:var(--blue);font:.72rem monospace;box-shadow:0 0 0 10px var(--paper);margin-bottom:25px}
.steps h3{font-size:1.13rem;margin-bottom:15px}
.steps p{font-size:.84rem}
.about{background:#eaf0eb;border-block:1px solid #d8e2dc}
.about-grid{display:grid;grid-template-columns:.8fr 1.5fr;gap:100px}
.about-aside .eyebrow{margin-bottom:34px}
.about-portrait{width:100%;max-width:320px;height:auto;aspect-ratio:1;object-fit:cover;border-radius:var(--radius);border:1px solid #cbd8d0}
.about-name{font-size:.9rem;color:var(--ink);font-weight:600;margin-top:22px}
.about-name span{display:block;font-size:.7rem;font-weight:400;color:var(--muted);margin-top:5px}
.about-copy h2{margin-bottom:30px}
.about-copy>p{font-size:.9rem;margin-top:18px}
.about-copy>.lead{font-size:1.15rem;color:#344f40}
.timeline{display:flex;gap:30px;justify-content:space-between;margin-top:36px;padding-top:24px;border-top:1px solid #cbd8d0}
.timeline>span{font-size:.75rem;font-weight:600}
.timeline small{display:block;font-weight:400;font-size:.62rem;color:#53675b;margin-top:6px}
.contact{background:#123b66;color:var(--white)}
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:80px;align-items:center}
.contact .eyebrow{color:var(--mint)}
.contact h2{font-size:clamp(2rem,3vw,2.7rem)}
.contact p:not(.eyebrow){color:#c6d4e2;font-size:.89rem;max-width:480px;margin-top:22px}
.contact-action{padding-left:35px;border-left:1px solid #426184}
.email-link{display:flex;align-items:center;justify-content:space-between;gap:30px;font-size:clamp(1.2rem,2.2vw,1.9rem);letter-spacing:-.035em;padding-bottom:15px;border-bottom:1px solid #6884a0}
.email-link:hover{color:var(--mint)}
.contact-action p strong{color:#f7fafc;font-weight:500}
.contact a:focus-visible{outline-color:var(--mint)}
.site-footer{padding-block:34px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.footer-brand{font-weight:700;font-size:1.05rem;letter-spacing:-.03em}
.footer-brand span{display:block;font-weight:400;font-size:.62rem;letter-spacing:0;color:var(--muted);margin-top:4px}
.footer-links{display:flex;gap:28px;font-size:.68rem;color:var(--muted)}
.footer-links a:hover{color:var(--blue)}
.case-hero{padding-top:42px;padding-bottom:50px}
.back-link{margin-bottom:60px;font-size:.75rem}
.case-hero h1{max-width:1000px;font-size:clamp(2.7rem,4.9vw,4.6rem)}
.case-hero .lead{font-size:1.15rem;max-width:790px;margin-top:28px}
.case-meta{display:flex;gap:28px;margin-top:28px;font-size:.76rem;color:var(--blue)}
.case-meta span+span{border-left:1px solid var(--line);padding-left:28px;color:var(--muted)}
.case-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));background:#e8eff8;border:1px solid #d7e1ed;border-radius:var(--radius);padding:32px;gap:30px}
.case-metrics strong{display:block;font-size:clamp(1.7rem,2.7vw,2.5rem);line-height:1.3;letter-spacing:-.04em;font-weight:550;color:var(--blue)}
.case-metrics span{display:block;font-size:.75rem;margin-top:8px;color:#496078;max-width:250px}
.case-body{display:grid;grid-template-columns:240px 1fr;gap:100px;padding-block:80px}
.case-body aside .tags{margin-top:17px;margin-bottom:30px}
.case-body aside{align-self:start;position:sticky;top:130px}
.case-prose{max-width:740px}
.case-prose section+section{margin-top:48px}
.case-prose h2{font-size:1.8rem;margin-bottom:22px}
.case-prose .eyebrow{margin-bottom:14px}
.case-prose p,.action-list{font-size:1rem;line-height:1.85}
.action-list{padding-left:21px;color:var(--muted)}
.action-list li{padding-left:8px;margin-top:16px}
.action-list li::marker{color:var(--blue)}
.takeaway{border-left:3px solid var(--blue);padding:25px 30px;background:var(--wash);margin-top:45px}
.takeaway p{margin-top:12px;color:var(--ink)}
.related-cases{padding-bottom:80px}
.related-cases h2{font-size:1.5rem;margin-bottom:25px}
.related-cases>div{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.related-cases a{display:flex;justify-content:space-between;align-items:center;padding:24px;background:var(--white);border:1px solid var(--line);border-radius:4px;gap:20px}
.related-cases a:hover{border-color:var(--blue)}
.related-cases small{display:block;font-size:.68rem;color:var(--muted);margin-bottom:6px}
.related-cases strong{font-size:.95rem;font-weight:550}
.related-cases a>span:last-child{font-size:1.3rem;color:var(--blue)}
.not-found{padding-block:100px}
.not-found p{margin-bottom:25px}
.not-found h1{margin-bottom:25px}

@media(min-width:1500px){.hero{padding-block:110px 100px}}
@media(max-width:1100px){
  .container{width:calc(100% - 64px)}
  .hero{gap:35px;padding-block:65px}
  .desktop-nav{gap:22px;margin-right:0}
  .hero h1{font-size:3.55rem}
  .hero .eyebrow{font-size:.6rem}
  .hero-actions{gap:20px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .service-card{padding:30px}
  .service-card:nth-child(3){border-left:0}
  .service-card:nth-child(n+3){border-top:1px solid var(--line)}
  .service-number{margin-bottom:26px}
  .service-card p{font-size:.9rem}
  .service-foot{font-size:.7rem}
  .featured-copy,.featured-results{padding:32px}
  .about-grid{gap:60px}
  .case-body{gap:50px;grid-template-columns:200px 1fr}
}
@media(max-width:800px){
  html{scroll-padding-top:90px}
  .site-header{height:80px}
  .brand img{width:94px}
  .desktop-nav,.header-cta{display:none}
  .mobile-nav{display:block}
  .mobile-nav summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:25px;padding:10px 0 10px 15px;font-size:.85rem;font-weight:600}
  .mobile-nav summary::-webkit-details-marker{display:none}
  .mobile-nav summary span{font-size:1.4rem;color:var(--blue)}
  .mobile-nav[open] summary span{transform:rotate(45deg)}
  .mobile-nav nav{position:absolute;top:79px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:15px 32px 24px;box-shadow:0 12px 15px #17283d0d}
  .mobile-nav nav a{display:block;padding:12px 0;font-size:.95rem;border-bottom:1px solid var(--line)}
  .hero{grid-template-columns:1fr;gap:45px;padding-block:55px}
  .hero-copy{max-width:650px}
  .hero h1{font-size:clamp(2.9rem,7.5vw,4rem);max-width:650px}
  .hero .eyebrow{font-size:.67rem}
  .hero-description{max-width:600px}
  .system-figure{max-width:490px;width:100%;justify-self:center;transform:none}
  .section{padding-block:70px}
  .section-heading{display:block}
  .section-heading>p{max-width:500px;margin-top:22px}
  .featured-case{grid-template-columns:1fr}
  .featured-results{display:grid;grid-template-columns:1fr 1fr;gap:20px 35px;align-items:center}
  .code-comparison{margin-top:0}
  .result-caption{grid-column:1/-1;margin:0}
  .featured-results strong{font-size:3.8rem}
  .case-card{padding:25px}
  .case-card h3{font-size:1.35rem}
  .other-projects>div{gap:20px}
  .steps{grid-template-columns:1fr 1fr;gap:40px 20px}
  .about-grid{grid-template-columns:1fr;gap:45px}
  .about-aside{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:end}
  .about-aside>.eyebrow{grid-column:1/-1;margin:0}
  .about-portrait{max-width:280px}
  .about-name{padding-bottom:10px}
  .contact-grid{grid-template-columns:1fr;gap:35px}
  .contact-action{padding-left:0;border:0;max-width:480px}
  .email-link{font-size:1.8rem}
  .case-body{grid-template-columns:1fr;gap:40px;padding-block:55px}
  .case-body aside{position:static}
  .case-body aside .tags{margin-bottom:14px}
  .case-hero .back-link{margin-bottom:40px}
  .case-metrics{grid-template-columns:1fr;gap:24px}
  .case-metrics>div+div{padding-top:24px;border-top:1px solid #cbd8e8}
  .case-metrics span{max-width:none}
}
@media(max-width:520px){
  .container{width:calc(100% - 40px)}
  .hero{padding-top:42px;gap:38px}
  .hero .eyebrow{font-size:.56rem;letter-spacing:.04em;margin-bottom:23px}
  .hero h1{font-size:2.95rem}
  .hero-description{font-size:.98rem;line-height:1.75;margin-top:23px}
  .hero-actions{gap:22px;margin-top:28px}
  .hero-actions .button{padding:14px 17px;gap:18px;font-size:.8rem}
  .hero-actions .text-link{font-size:.78rem;gap:10px}
  .hero-note{font-size:.67rem}
  .system-figure{padding:18px 12px}
  .figure-heading{padding-inline:4px}
  .system-figure figcaption{font-size:.58rem;padding-inline:4px}
  .reference-strip-inner{grid-template-columns:repeat(6,minmax(0,1fr));gap:26px 22px;padding-block:25px}
  .reference-strip-inner li{grid-column:span 2}
  .reference-strip-inner li:nth-child(n+4){grid-column:span 3}
  .reference-logo{width:120px;max-height:54px}
  .reference-logo-geodis{width:54px}
  .reference-logo-sncf{width:77px}
  .section{padding-block:58px}
  .section-heading{margin-bottom:30px}
  h2{font-size:2rem}
  .services-grid{grid-template-columns:1fr}
  .service-card{padding:25px}
  .service-card+.service-card{border-left:0;border-top:1px solid var(--line)}
  .service-card h3{font-size:1.35rem;margin-bottom:18px}
  .service-number{margin-bottom:20px}
  .service-card .service-question{font-size:.81rem}
  .audit-note{flex-wrap:wrap;gap:10px 15px;padding:20px}
  .audit-note p{flex-basis:calc(100% - 40px)}
  .audit-note .text-link{margin-left:30px}
  .featured-copy,.featured-results{padding:26px}
  .featured-copy h3{font-size:1.7rem}
  .featured-results{grid-template-columns:1fr;gap:25px}
  .featured-results strong{font-size:4rem}
  .case-grid{grid-template-columns:1fr;gap:16px;margin-top:16px}
  .case-card h3{font-size:1.5rem}
  .case-bottom div>span{font-size:.67rem}
  .other-projects>div{grid-template-columns:1fr;gap:22px}
  .other-projects>div p{border-left:2px solid #cad6e3;padding-left:15px}
  .steps{grid-template-columns:1fr;margin-top:35px;gap:0}
  .steps li{padding:0 0 32px 64px}
  .steps li:last-child{padding-bottom:0}
  .steps li::before{left:21px;top:0;bottom:0;right:auto;border-top:0;border-left:1px solid #ced7de}
  .step-number{position:absolute;left:0;top:0;margin:0}
  .steps h3{padding-top:8px;margin-bottom:12px}
  .steps p{font-size:.86rem}
  .about-aside{grid-template-columns:1fr}
  .about-aside>.eyebrow{grid-column:auto}
  .about-portrait{max-width:260px;margin-top:5px}
  .about-name{margin-top:0}
  .about-grid{gap:30px}
  .timeline{gap:20px;flex-wrap:wrap}
  .timeline small{font-size:.59rem}
  .contact p:not(.eyebrow){font-size:.85rem}
  .email-link{font-size:1.65rem}
  .footer-inner{align-items:flex-start;flex-direction:column;gap:22px}
  .footer-links{width:100%;justify-content:space-between}
  .case-hero{padding-top:28px;padding-bottom:35px}
  .case-hero h1{font-size:2.6rem}
  .case-hero .lead{font-size:1rem}
  .case-meta{flex-direction:column;gap:8px}
  .case-meta span+span{padding:0;border:0}
  .case-metrics{padding:25px}
  .case-prose h2{font-size:1.6rem}
  .case-prose p,.action-list{font-size:.94rem}
  .takeaway{padding:22px}
  .related-cases>div{grid-template-columns:1fr}
  .related-cases{padding-bottom:55px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.site-header,.contact,.site-footer,.back-link,.related-cases,.mobile-nav,.skip-link{display:none}.container{width:100%}.section{padding-block:25px}body{background:white;font-size:11pt}.hero{padding-block:25px}.case-body{display:block}.case-body aside{position:static}.case-prose{max-width:none}a{color:inherit}.case-card,.service-card,.case-metrics,.takeaway{break-inside:avoid}}