:root{--ink:#10292f;--muted:#54676b;--accent:#167887;--bright:#79d8d4;--paper:#f7f9f7;--line:#dbe4e2;--night:#081c23;--soft:#eaf3f2;--white:#fff;--max:1280px;--radius:8px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:Verdana,Geneva,sans-serif;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.7}body[data-sector=btp]{--accent:#536b74;--bright:#bacbd2;--soft:#edf0f0;--paper:#f7f7f4}body[data-sector=sport]{--accent:#b52e38;--bright:#ff8d8f;--soft:#f9eded;--paper:#fcf9f6}button,a{-webkit-tap-highlight-color:transparent}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button{color:inherit}button,summary,a{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid 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@media(min-width:1600px){.gateway-intro{padding-top:75px;margin-bottom:60px}.sector-card{min-height:380px}.gateway-footer{padding-block:40px}}
@media(max-width:1150px){.container{width:calc(100% - 64px)}.desktop-nav{gap:18px}.header-inner{gap:22px}.brand img{width:145px}.header-cta{padding:12px}.header-cta .arrow{display:none}.hero-grid{gap:30px}.hero-float{right:-5px;font-size:9px}.hero h1{font-size:49px}.team-grid{gap:55px}.faq-grid{gap:60px}.contact-grid{gap:60px}.gateway-intro{gap:25px}.gateway-intro .intro-side{max-width:260px}.sector-card{min-height:315px}.sector-card>div{padding:22px}.sector-card h2{font-size:28px}.sector-card p{font-size:11px}.demo-stage{grid-template-columns:1fr 290px}}
@media(max-width:900px){.desktop-nav,.header-cta{display:none}.header-inner{justify-content:space-between}.menu-toggle{display:block;margin-left:auto}.sector-menu{margin-left:auto}.site-header{height:76px}.mobile-nav{position:absolute;left:0;right:0;top:75px;background:#0d2932;padding:20px 32px 30px;border-bottom:1px solid #53737b}.mobile-nav.open{display:grid;gap:15px}.mobile-nav a{font-size:14px;padding:4px}.mobile-nav .button{margin-top:12px}.hero-grid{grid-template-columns:1fr 1fr;gap:25px;padding-block:50px}.hero h1{font-size:40px}.hero .lead{font-size:13px}.hero .actions{gap:14px}.hero .button{font-size:11px;padding:13px 17px}.hero-picture{aspect-ratio:.95}.hero-float{padding:13px;right:-5px;bottom:75px}.support-items{gap:18px}.support-note{display:none}.support-bar .container{justify-content:center}.reference-row{gap:20px}.reference-label{min-width:130px;font-size:9px}.reference-logos{gap:25px}.reference-logos img{width:90px}.section{padding-block:80px}.section-heading{gap:35px}.section-heading>p{max-width:280px}.needs-grid{gap:26px}.need h3{font-size:22px}.use-cases{grid-template-columns:repeat(2,1fr);gap:28px}.use-case:nth-child(2){border:0}.demo-stage{grid-template-columns:1fr 260px}.demo-panel{padding:27px 22px}.demo-panel h3{font-size:22px}.demo-scene,.demo-stage{min-height:390px}.steps{grid-template-columns:repeat(2,1fr);gap:40px}.step .step-num{margin-bottom:22px}.services-grid{gap:22px}.service h3{font-size:19px}.team-grid{gap:38px}.team-photo .team-caption{display:block;font-size:9px}.team-photo .team-caption span{display:block}.roles{gap:10px}.roles strong{font-size:12px}.faq-grid{grid-template-columns:.75fr 1.25fr;gap:40px}.contact-grid{gap:35px}.contact-info{padding-left:25px}.contact-info>a{font-size:18px}.gateway-tagline{display:none}.gateway-intro{align-items:flex-start;flex-direction:column;padding-top:35px;gap:24px;margin-bottom:38px}.gateway-intro .intro-side{max-width:560px;padding-bottom:0;font-size:13px}.gateway-intro .intro-side p{margin:0}.gateway-intro h1{font-size:52px}.sector-card{min-height:325px}.sector-card h2{font-size:25px}.sector-card>div{padding:19px}.sector-card p{min-height:54px}.sector-card .card-bottom img{width:100px}.circle-arrow{width:28px;height:28px;font-size:17px}.gateway-footer{align-items:flex-start;flex-direction:column;gap:15px}.gateway-footer .device-line{font-size:10px}}
@media(max-width:640px){.container{width:calc(100% - 40px)}html{scroll-padding-top:86px}body{font-size:14px}.section{padding-block:62px}h2{font-size:33px;letter-spacing:-.05em}.eyebrow{font-size:9px;margin-bottom:20px}.brand img{width:140px}.site-header{height:70px}.header-inner{gap:14px}.sector-menu{font-size:9px}.sector-menu>div{right:-40px;left:auto}.menu-toggle{font-size:0;width:38px;height:34px;padding:7px;position:relative}.menu-toggle:before,.menu-toggle:after{content:'';position:absolute;left:9px;width:18px;height:1px;background:#fff;top:12px}.menu-toggle:after{top:20px}.menu-toggle[aria-expanded=true]:before{transform:rotate(45deg);top:16px}.menu-toggle[aria-expanded=true]:after{transform:rotate(-45deg);top:16px}.mobile-nav{top:69px;padding-inline:20px}.hero-grid{display:flex;flex-direction:column;align-items:stretch;padding-top:40px;padding-bottom:29px;gap:26px}.hero h1{font-size:43px;max-width:500px;margin-bottom:22px}.hero .lead{font-size:13px;margin-bottom:23px;max-width:none}.hero .actions{gap:17px}.hero .actions .button{font-size:10px;padding:14px 15px;gap:12px}.hero .text-link{font-size:10px;gap:9px}.hero-visual{padding:0 0 15px}.hero-picture{aspect-ratio:1.6;object-position:center}.visual-header{font-size:8px}.visual-caption{font-size:8px;max-width:230px}.hero-float{font-size:9px;bottom:10px;right:0;gap:10px;padding:12px 13px}.hero-float .big{font-size:23px}.support-bar .container{padding-block:17px;justify-content:flex-start}.support-items{gap:14px;flex-wrap:wrap;font-size:8px}.support-items svg{width:15px;height:15px}.references{padding-block:25px}.reference-row{flex-direction:column;align-items:flex-start;gap:19px}.reference-label{font-size:8px;min-width:0}.reference-label br{display:none}.reference-logos{width:100%;gap:20px;justify-content:space-between;flex-wrap:wrap}.reference-logos img{width:calc(25% - 18px);height:31px;min-width:52px}.section-heading{flex-direction:column;gap:22px;align-items:flex-start;margin-bottom:33px}.section-heading>p{max-width:none;font-size:12px}.needs-grid{grid-template-columns:1fr;gap:28px}.need{position:relative;padding-top:25px;padding-left:38px;border-top:1px solid var(--line)}.need:first-child{border:0}.need-num{position:absolute;left:0;top:26px;margin:0;font-size:10px}.need h3{font-size:25px;max-width:none;margin-bottom:13px}.need p{font-size:12px}.need .example{font-size:10px;padding-top:12px}.need .example strong{font-size:9px}.use-cases{margin-top:32px;padding:24px 5px;gap:24px 0}.use-case{padding-inline:15px}.use-case h4{font-size:11px}.use-case p{font-size:10px}.interaction-hint{font-size:10px;max-width:none}.demo-toolbar{padding:13px 15px}.demo-toolbar img{width:100px}.demo-label{font-size:8px}.demo-tabs{gap:3px;padding:9px}.demo-tab{padding:9px 11px;font-size:9px;flex:1}.demo-stage{display:flex;flex-direction:column;min-height:0}.demo-scene{min-height:310px}.demo-panel{padding:24px;min-height:230px}.demo-panel .eyebrow{font-size:8px;margin-bottom:14px}.demo-panel h3{font-size:24px;margin-bottom:12px}.demo-panel p{font-size:11px;margin-bottom:18px}.demo-panel .demo-type{font-size:9px;padding-top:13px}.hotspot{width:35px;height:35px;font-size:15px;box-shadow:0 0 0 5px #ffffff30}.hotspot span{font-size:8px;bottom:43px;padding:4px 7px}.demo-scene .scene-title{font-size:10px;left:18px;bottom:14px}.demo-caption{font-size:9px}.format-grid{grid-template-columns:1fr;gap:25px;margin-top:32px}.format{border-bottom:1px solid #c3d1ce;padding-bottom:23px}.format h3{font-size:21px}.format p{font-size:11px}.tailored{grid-template-columns:1fr;gap:23px;margin-top:30px;padding-top:24px;font-size:11px}.tailored h3{font-size:21px}.steps{gap:32px 24px}.step h3{font-size:20px}.step p{font-size:11px}.step .step-num{margin-bottom:24px}.services-grid{grid-template-columns:1fr;gap:34px}.service img{aspect-ratio:1.65;margin-bottom:19px}.service h3{font-size:24px}.service p{font-size:12px}.team-grid{grid-template-columns:1fr;gap:34px}.team-photo{order:2}.team-photo img{aspect-ratio:1.2}.team-photo .team-caption{display:flex;padding:15px 18px;font-size:9px}.roles strong{font-size:12px}.roles span{font-size:9px}.faq-grid{grid-template-columns:1fr;gap:25px}.faq-intro p{font-size:12px}.faq summary{font-size:12px;padding-block:20px;gap:15px}.faq details p{font-size:11px;padding-right:12px}.contact-grid{grid-template-columns:1fr;gap:40px}.contact h2{font-size:38px}.contact p{font-size:12px}.contact .actions{gap:20px}.contact .button{font-size:11px;padding:15px 17px;gap:18px}.contact-info{border-left:0;border-top:1px solid #3b5760;padding-left:0;padding-top:28px}.contact-info>a{font-size:21px}.contact-info p{margin-top:18px;font-size:10px}.site-footer{padding-block:32px 90px}.footer-top{flex-direction:column;align-items:flex-start;gap:27px}.footer-logo img{width:148px}.footer-links{gap:15px 22px;font-size:10px}.footer-bottom{font-size:8px;line-height:1.8;gap:15px}.mobile-contact{position:fixed;display:flex;bottom:15px;left:20px;right:20px;z-index:25;justify-content:space-between;box-shadow:0 5px 25px #09272e33;padding:14px 18px;font-size:11px}.mobile-contact.is-hidden{transform:translateY(110px);pointer-events:none}.gateway-header{padding-block:26px}.gateway-header .brand img{width:161px}.gateway-header .text-link{font-size:10px;gap:12px}.gateway-intro{padding-top:29px;margin-bottom:32px;gap:21px}.gateway-intro h1{font-size:40px;letter-spacing:-.055em;line-height:1.12}.gateway-intro .eyebrow{font-size:8px;margin-bottom:23px}.gateway-intro .intro-side{font-size:11px;line-height:1.85;max-width:340px}.gateway-instruction{font-size:8px;margin-bottom:15px}.gateway-instruction .hint{display:none}.sector-grid{grid-template-columns:1fr;gap:15px}.sector-card{min-height:240px;align-items:flex-end}.sector-card>img{object-position:center 45%;opacity:.7}.sector-card>div{padding:24px}.sector-card .card-top{top:20px;left:24px;font-size:8px}.sector-card h2{font-size:32px;margin-bottom:8px}.sector-card p{font-size:11px;max-width:235px;min-height:0;margin-bottom:13px;line-height:1.65}.sector-card .card-bottom{padding-top:13px}.sector-card .card-bottom img{width:115px;max-height:30px}.circle-arrow{width:31px;height:31px;font-size:19px}.gateway-footer{padding-block:28px;font-size:9px;gap:20px}.gateway-footer .device-line{gap:8px 15px;font-size:8px}.gateway:before{top:100px;right:-600px}.legal-page{margin-block:45px}.legal-page h1{font-size:32px}.legal-page h2{font-size:23px}.legal-page p{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.sector-card:hover>img{transform:none}.button:hover{transform:none}}

.reference-logos img[src$=".jpg"]{filter:grayscale(1);opacity:.8}

/* Accueil — retours de lecture du 21 octobre 2026. */
.gateway-header .text-link {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  gap: 16px;
  min-height: 44px;
  padding-block: 10px;
}
.gateway-header .text-link:hover { color: var(--bright); }
.gateway-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 1fr);
  align-items: end;
  gap: 64px;
}
.gateway-intro h1 { font-size: clamp(40px, 4.2vw, 64px); }
.gateway-intro .eyebrow { font-size: 15px; letter-spacing: .12em; }
.gateway-intro .intro-side {
  max-width: 420px;
  font-size: 18px;
  line-height: 1.8;
  padding-bottom: 3px;
}
.gateway-intro .intro-side p { margin-bottom: 0; }
.gateway-instruction {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 9px;
  text-align: center;
  margin-bottom: 28px;
}
.gateway-instruction > span:first-child {
  font-size: 20px;
  font-weight: 600;
  color: #e4f0f1;
  letter-spacing: .09em;
}
.gateway-instruction .hint {
  display: block;
  font-size: 15px;
  letter-spacing: .015em;
  color: #b6cdd1;
}
.gateway .sector-card .card-top { justify-content: flex-end; }
.gateway-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  align-items: center;
  gap: 26px;
}
.gateway-footer .device-line {
  width: 100%;
  justify-content: center;
  align-items: center;
  gap: 24px 38px;
  font-size: 16px;
  color: #c8dce0;
}
.gateway-footer .device {
  display: flex;
  align-items: center;
  gap: 10px;
}
.gateway-footer .device svg {
  flex: 0 0 auto;
  width: 25px;
  height: 25px;
  color: var(--bright);
}
.gateway-footer .device small {
  font-size: .8em;
  color: #abc3c9;
  margin-left: 3px;
}
.gateway-footer > a { justify-self: end; font-size: 12px; }
@media (max-width: 1150px) {
  .gateway-intro { gap: 35px; grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr); }
  .gateway-intro .intro-side { font-size: 17px; }
  .gateway-intro .eyebrow { font-size: 13px; }
}
@media (max-width: 900px) {
  .gateway-intro { grid-template-columns: 1fr; gap: 25px; }
  .gateway-intro h1 { font-size: 52px; }
  .gateway-intro .intro-side { max-width: 650px; font-size: 18px; }
  .gateway-footer .device-line { gap: 20px 28px; font-size: 15px; }
}
@media (max-width: 640px) {
  .gateway-header { gap: 18px; }
  .gateway-header .brand img { width: 150px; }
  .gateway-header .text-link { font-size: 13px; max-width: 170px; text-align: right; gap: 10px; }
  .gateway-intro h1 { font-size: clamp(36px, 9.8vw, 43px); }
  .gateway-intro .eyebrow { font-size: 12px; letter-spacing: .08em; }
  .gateway-intro .intro-side { font-size: 16px; line-height: 1.8; max-width: none; }
  .gateway-instruction { gap: 8px; margin-bottom: 22px; }
  .gateway-instruction > span:first-child { font-size: 17px; letter-spacing: .06em; }
  .gateway-instruction .hint { font-size: 13px; }
  .gateway-footer .device-line { display: grid; grid-template-columns: repeat(2, max-content); gap: 20px 26px; font-size: 14px; }
  .gateway-footer .device { gap: 8px; }
  .gateway-footer .device svg { width: 23px; height: 23px; }
  .gateway-footer .device small { display: block; margin-left: 0; font-size: 11px; line-height: 1.5; }
}
@media (max-width: 360px) {
  .gateway-header .brand img { width: 130px; }
  .gateway-header .text-link { font-size: 12px; }
  .gateway-intro .eyebrow { font-size: 11px; }
  .gateway-instruction > span:first-child { font-size: 15px; }
}

/* Identité, besoins illustrés et démarche — deuxième série de retours. */
.gateway::before {
  inset: 0;
  width: auto;
  height: auto;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: url('assets/ymersio-rings.svg') no-repeat 88% 45% / min(86vw, 1050px);
  opacity: .12;
}
.site-header .brand img { width: 210px; }
.header-inner { gap: 24px; }
.sector-menu { font-size: 16px; letter-spacing: .015em; }
.sector-menu summary { min-height: 44px; gap: 12px; }
.sector-menu summary::after { font-size: 21px; }
.sector-menu > div { top: 53px; min-width: 240px; padding: 10px; }
.sector-menu a { display: flex; align-items: center; gap: 14px; min-height: 52px; padding: 10px 14px; }
.sector-menu a img { width: 32px; height: 32px; object-fit: contain; }
.sector-menu .all-sectors { border-top: 1px solid #355059; margin-top: 6px; padding-top: 15px; font-size: 14px; }
.visual-header { align-items: center; gap: 18px; }
.visual-header span:first-child { font-size: 14px; font-weight: 600; letter-spacing: .07em; }
.visual-header span:last-child { font-size: 9px; white-space: nowrap; }
.hero-visual { padding-bottom: 18px; }
.hero-float { bottom: 35px; }
.support-bar .container { justify-content: center; }
.support-items { gap: 34px; font-size: 12px; }
.support-items svg { width: 21px; height: 21px; }
.needs-grid { gap: 28px; border: 0; }
.need { padding: 0; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; background: #fff; }
.need .need-image { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--soft); }
.need-copy { padding: 26px; }
.need-num { font-size: 12px; margin-bottom: 16px; }
.need h3 { max-width: none; font-size: 25px; }
.need p { font-size: 14px; }
.need .example { font-size: 12px; line-height: 1.8; }
.need .example strong { font-size: 10px; }
.use-cases { background: none; padding: 0; gap: 25px; margin-top: 38px; }
.use-case { padding: 0; border: 0; }
.use-case img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 5px; margin-bottom: 18px; }
.use-case h4 { font-size: 14px; margin-bottom: 10px; }
.use-case p { font-size: 12px; line-height: 1.8; }
.process { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 25px; list-style: none; margin: 0; padding: 15px 0 0; }
.process-step { position: relative; }
.process-step:not(:last-child)::after { content: '→'; position: absolute; top: 21px; left: 86px; right: 0; color: #7b9ca4; font-size: 23px; line-height: 1; border-bottom: 1px solid #43626a; text-align: right; height: 14px; }
.process-node { position: relative; z-index: 1; display: grid; place-items: center; width: 70px; height: 70px; border: 1px solid #5d838a; background: #14353e; color: var(--bright); border-radius: 50%; margin-bottom: 23px; }
.process-node svg { width: 31px; height: 31px; }
.process-number { display: block; color: var(--bright); font-size: 12px; letter-spacing: .1em; margin-bottom: 9px; }
.process-step h3 { font-size: 21px; letter-spacing: -.035em; line-height: 1.25; margin-bottom: 14px; }
.process-step p { font-size: 13px; line-height: 1.8; color: #bfd0d3; margin: 0; }
.service img { aspect-ratio: 4 / 3; }
.service p { font-size: 14px; max-width: none; }
.team-copy p { font-size: 17px; line-height: 1.9; }
.team-copy .eyebrow { font-size: 13px; color: var(--accent); }
.roles strong { font-size: 17px; }
.roles span { font-size: 14px; }
.team-copy .text-link { font-size: 15px; }
.team-photo .team-caption { font-size: 12px; gap: 18px; }
body[data-sector=sport] { --accent: #8e151d; --bright: #991b23; --soft: #f4e9e9; --paper: #fcf9f7; }
body[data-sector=sport] .button.light,
body[data-sector=sport] .demo-tab[aria-selected=true] { color: #fff; }
body[data-sector=sport] .hero h1 span,
body[data-sector=sport] .contact h2 span { color: #eee2e3; }
body[data-sector=sport] .hero .eyebrow,
body[data-sector=sport] .method .section-index,
body[data-sector=sport] .contact .eyebrow { color: #e3cdcf; }
body[data-sector=sport] .eyebrow::before { background: #a82b33; height: 2px; }
body[data-sector=sport] .visual-header span:first-child::before { background: #b83b43; }
body[data-sector=sport] .support-items svg { color: #c55058; }
body[data-sector=sport] .sector-menu a[aria-current=page] { color: #fff; background: #79151c; }
body[data-sector=sport] .desktop-nav a:hover,
body[data-sector=sport] .hero .text-link:hover { color: #fff; text-decoration: underline; text-decoration-color: #991b23; text-underline-offset: 6px; }
body[data-sector=sport] .process-node { background: #75131a; border-color: #a63840; color: #fff; }
body[data-sector=sport] .process-number { color: #d9bfc2; }
body[data-sector=sport] .experience { background: #f0e8e7; }
body[data-sector=sport] .hero-float .big { color: #8e151d; }
@media (max-width: 1150px) {
  .site-header .brand img { width: 185px; }
  .header-inner { gap: 18px; }
  .desktop-nav { gap: 15px; }
  .sector-menu { font-size: 15px; }
  .visual-header { flex-wrap: wrap; gap: 6px; }
  .visual-header span:first-child { font-size: 13px; }
  .need-copy { padding: 22px; }
  .process { gap: 22px; }
  .process-step h3 { font-size: 19px; }
  .process-step p { font-size: 12px; }
}
@media (max-width: 1000px) {
  .process { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 38px 28px; }
  .process-step:nth-child(3)::after { display: none; }
  .process-step h3 { font-size: 22px; }
  .process-step p { font-size: 13px; }
  .needs-grid { gap: 20px; }
  .need-copy { padding: 20px; }
  .need h3 { font-size: 22px; }
}
@media (max-width: 900px) {
  .site-header .brand img { width: 200px; }
  .hero .visual-header span:first-child { font-size: 12px; }
  .team-photo .team-caption { font-size: 12px; }
  .use-cases { gap: 28px; }
  .use-case img { margin-bottom: 15px; }
}
@media (max-width: 640px) {
  .gateway::before { background-size: 800px; background-position: 52% 6%; opacity: .11; }
  .site-header .brand img { width: 165px; }
  .header-inner { gap: 12px; }
  .sector-menu { font-size: 14px; margin-left: auto; }
  .sector-menu summary { gap: 8px; }
  .sector-menu > div { right: -40px; left: auto; top: 51px; min-width: 230px; font-size: 16px; }
  .menu-toggle { margin-left: 0; flex-shrink: 0; }
  .hero .visual-header span:first-child { font-size: 13px; }
  .hero-float { bottom: 10px; }
  .support-bar .container { justify-content: center; }
  .support-items { gap: 16px 24px; justify-content: center; font-size: 11px; }
  .support-items svg { width: 19px; height: 19px; }
  .needs-grid { grid-template-columns: 1fr; gap: 25px; }
  .need, .need:first-child { padding: 0; border: 1px solid var(--line); }
  .need .need-image { aspect-ratio: 3 / 2; }
  .need-copy { padding: 25px; }
  .need-num { position: static; font-size: 12px; margin-bottom: 13px; }
  .need h3 { font-size: 26px; }
  .need p { font-size: 14px; }
  .need .example { font-size: 12px; }
  .use-cases { gap: 27px 20px; }
  .use-case h4 { font-size: 14px; }
  .use-case p { font-size: 12px; }
  .process { grid-template-columns: 1fr; gap: 0; padding-top: 0; }
  .process-step { padding: 0 0 32px 91px; min-height: 162px; }
  .process-node { position: absolute; left: 0; top: 0; width: 65px; height: 65px; margin: 0; }
  .process-step:not(:last-child)::after,
  .process-step:nth-child(3)::after { display: block; content: '↓'; left: 31px; right: auto; top: 73px; bottom: 9px; height: auto; width: 1px; border: 0; background: #43626a; text-align: center; font-size: 21px; line-height: 3; color: #9cb3b8; }
  .process-number { margin-bottom: 8px; }
  .process-step h3 { font-size: 24px; margin-bottom: 12px; }
  .process-step p { font-size: 14px; }
  .process-step:last-child { padding-bottom: 0; min-height: 0; }
  .service img { aspect-ratio: 4 / 3; }
  .team-copy p { font-size: 16px; }
  .team-copy .eyebrow { font-size: 12px; }
  .roles strong { font-size: 16px; }
  .roles span { font-size: 12px; }
  .team-photo .team-caption { font-size: 11px; }
}
@media (max-width: 360px) {
  .site-header .brand img { width: 135px; }
  .header-inner { gap: 9px; }
  .sector-menu { font-size: 13px; }
  .use-cases { grid-template-columns: 1fr; }
  .process-step { padding-left: 82px; }
}

/* Lisibilité, références et cas d’usage — troisième série de retours. */
.gateway-instruction > span:first-child { font-size: 30px; letter-spacing: .065em; }
.gateway-footer .device-line {
  font-size: 22px;
  gap: 26px 48px;
  padding: 24px;
  background: #102a32;
  border: 1px solid #29474f;
  border-radius: 6px;
}
.gateway-footer .device { gap: 13px; }
.gateway-footer .device svg { width: 33px; height: 33px; }
.gateway-footer .linkedin-link { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; min-height: 44px; }
.linkedin-link svg { width: 22px; height: 22px; }
.desktop-nav { font-size: 14px; gap: 23px; }
.header-cta { font-size: 13px; padding: 14px 17px; }
.sector-menu { font-size: 18px; }
.sector-menu > div { font-size: 18px; min-width: 255px; }
.sector-menu .all-sectors { font-size: 15px; }
.mobile-nav a { font-size: 16px; }
.hero .actions .button { font-size: 16px; padding: 18px 25px; min-height: 60px; }
.hero .actions .button .arrow { font-size: 24px; }
body[data-sector=btp] .hero-picture { aspect-ratio: 701 / 395; object-fit: contain; }
.references { padding-block: 32px; }
.reference-row { display: grid; grid-template-columns: 165px minmax(0, 1fr); gap: 50px; }
.reference-label { font-size: 12px; }
.reference-logos { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); align-items: center; justify-items: center; gap: 26px 40px; }
.reference-logos img, .reference-logos img[src$=".jpg"] { width: 100%; max-width: 150px; height: 60px; min-width: 0; object-fit: contain; filter: grayscale(1); opacity: .8; }
.reference-logos img:hover { filter: none; opacity: 1; }
.experience .section-heading h2 { font-size: clamp(35px, 3.7vw, 52px); }
.experience .section-index { font-size: 13px; }
.demo-label { font-size: 13px; }
.demo-tab { font-size: 14px; padding: 12px 20px; }
.demo-stage { grid-template-columns: minmax(0,1fr) 360px; min-height: 490px; }
.demo-scene { min-height: 490px; }
.demo-panel { padding: 32px 29px; }
.demo-panel .eyebrow { font-size: 11px; }
.demo-panel h3 { font-size: 28px; }
.demo-panel p { font-size: 15px; line-height: 1.8; }
.demo-panel .demo-type { font-size: 13px; line-height: 1.8; }
.demo-scene .scene-title { font-size: 14px; }
.hotspot span { font-size: 12px; }
.solution-use-cases { margin-top: 45px; }
.use-cases-title { font-size: 28px; margin-bottom: 25px; }
.solution-use-cases .use-cases { margin-top: 0; gap: 27px; }
.solution-use-cases .use-case h4 { font-size: 18px; line-height: 1.4; }
.solution-use-cases .use-case p { font-size: 15px; }
.experience .format-grid { margin-top: 50px; padding-top: 35px; border-top: 1px solid #bccdca; }
.experience .format h3 { font-size: 25px; }
.experience .format p, .experience .tailored { font-size: 16px; }
.experience .tailored h3 { font-size: 25px; }
@media (max-width: 1150px) {
  .desktop-nav { gap: 17px; }
  .header-inner { gap: 18px; }
  .gateway-instruction > span:first-child { font-size: 27px; }
  .gateway-footer .device-line { font-size: 20px; gap: 24px 35px; }
  .reference-row { gap: 30px; }
  .reference-logos { gap: 22px 25px; }
  .demo-stage { grid-template-columns: minmax(0,1fr) 330px; }
}
@media (max-width: 1100px) {
  .desktop-nav, .header-cta { display: none; }
  .header-inner { justify-content: space-between; }
  .menu-toggle { display: block; margin-left: 0; }
  .sector-menu { margin-left: auto; }
  .mobile-nav { position: absolute; inset-inline: 0; top: 100%; background: #0d2932; padding: 20px 32px 30px; border-bottom: 1px solid #53737b; }
  .mobile-nav.open { display: grid; gap: 15px; }
  .mobile-nav a { font-size: 16px; padding: 6px; }
  .mobile-nav .button { margin-top: 12px; }
}
@media (max-width: 900px) {
  .gateway-instruction > span:first-child { font-size: 25px; }
  .gateway-footer .device-line { font-size: 18px; gap: 22px 25px; }
  .gateway-footer .device svg { width: 29px; height: 29px; }
  .reference-row { grid-template-columns: 1fr; gap: 25px; }
  .reference-label { text-align: center; }
  .reference-label br { display: none; }
  .reference-logos { width: 100%; }
  .demo-stage { grid-template-columns: minmax(0,1fr) 300px; }
  .demo-panel { padding: 27px 22px; }
  .demo-panel h3 { font-size: 27px; }
  .demo-panel p { font-size: 14px; }
  .solution-use-cases .use-cases { gap: 30px; }
}
@media (max-width: 640px) {
  .gateway-instruction > span:first-child { font-size: 21px; letter-spacing: .035em; }
  .gateway-footer .device-line { font-size: 16px; padding: 22px 12px; gap: 24px 25px; }
  .gateway-footer .device { gap: 9px; }
  .gateway-footer .device svg { width: 27px; height: 27px; }
  .gateway-footer .linkedin-link { font-size: 14px; }
  .site-header .brand img { width: 165px; }
  .header-inner { gap: 10px; }
  .sector-menu { font-size: 15px; }
  .sector-menu summary { gap: 7px; }
  .sector-menu > div { font-size: 18px; }
  .mobile-nav { padding-inline: 20px; }
  .mobile-nav a { font-size: 17px; }
  .hero .actions .button { width: 100%; justify-content: space-between; font-size: 16px; padding: 18px 22px; min-height: 60px; }
  .reference-label { font-size: 11px; }
  .reference-logos { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px 30px; }
  .reference-logos img, .reference-logos img[src$=".jpg"] { height: 55px; max-width: 135px; }
  .experience .section-heading h2 { font-size: 36px; }
  .experience .section-index { font-size: 11px; }
  .demo-label { font-size: 10px; }
  .demo-tabs { gap: 4px; }
  .demo-tab { font-size: 11px; padding: 12px 10px; flex: 1 0 auto; }
  .demo-stage { display: flex; flex-direction: column; min-height: 0; }
  .demo-scene { min-height: 330px; }
  .demo-panel { min-height: 290px; padding: 26px; }
  .demo-panel .eyebrow { font-size: 10px; }
  .demo-panel h3 { font-size: 27px; }
  .demo-panel p { font-size: 14px; }
  .demo-panel .demo-type { font-size: 12px; }
  .demo-scene .scene-title { font-size: 12px; }
  .hotspot span { font-size: 10px; }
  .solution-use-cases { margin-top: 35px; }
  .use-cases-title { font-size: 27px; }
  .solution-use-cases .use-cases { grid-template-columns: 1fr; gap: 32px; }
  .solution-use-cases .use-case h4 { font-size: 22px; }
  .solution-use-cases .use-case p { font-size: 15px; }
  .experience .format-grid { margin-top: 35px; padding-top: 30px; }
  .experience .format h3, .experience .tailored h3 { font-size: 25px; }
  .experience .format p, .experience .tailored { font-size: 15px; }
}
@media (max-width: 360px) {
  .gateway-instruction > span:first-child { font-size: 19px; }
  .gateway-footer .device-line { font-size: 14px; gap: 20px 18px; }
  .gateway-footer .device svg { width: 25px; height: 25px; }
  .site-header .brand img { width: 128px; }
  .header-inner { gap: 8px; }
  .sector-menu { font-size: 14px; }
  .sector-menu summary { gap: 6px; }
  .menu-toggle { width: 34px; }
}

/* Titres, appels à l’action et mise en valeur des supports. */
body[data-sector] .section-index,
body[data-sector] .contact .eyebrow {
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: .1em;
}
body[data-sector] .header-cta { font-size: 16px; padding: 16px 21px; }
body[data-sector] .hero .actions .text-link { font-size: 17px; line-height: 1.5; padding-block: 10px; }
body[data-sector] .mobile-nav .button { font-size: 18px; padding: 16px 20px; }
.gateway-header .text-link { font-size: 20px; }
.support-bar { color: #f0f6f7; }
.support-bar .container { padding-block: 29px; }
.support-items { display: grid; grid-template-columns: repeat(4, auto); gap: 25px 56px; font-size: 22px; font-weight: 500; }
.support-items span { gap: 13px; }
.support-items svg { width: 36px; height: 36px; flex-shrink: 0; }
.services .section-heading > p { font-size: 18px; line-height: 1.8; max-width: 440px; }
.reference-row { grid-template-columns: 210px minmax(0, 1fr); gap: 40px; }
.reference-label { font-size: 18px; line-height: 1.65; letter-spacing: .06em; }
.reference-logos img, .reference-logos img[src$=".jpg"] { max-width: 165px; height: 70px; filter: grayscale(1); opacity: .8; }
.reference-logos img:hover, .reference-logos img[src$=".jpg"]:hover { filter: none; opacity: 1; }
.team-photo .team-caption { font-size: 16px; line-height: 1.6; padding: 22px 25px; flex-wrap: wrap; gap: 6px 20px; }
.faq-intro .text-link { font-size: 18px; line-height: 1.5; padding-block: 10px; }
.contact .actions .button { font-size: 18px; min-height: 62px; padding: 18px 24px; }
.contact .actions .text-link { font-size: 17px; line-height: 1.5; padding-block: 11px; color: #edf5f6; }
@media (max-width: 1150px) {
  body[data-sector] .header-cta { font-size: 15px; padding-inline: 17px; }
  .support-items { font-size: 20px; gap: 25px 32px; }
  .support-items svg { width: 33px; height: 33px; }
  .reference-row { grid-template-columns: 180px minmax(0, 1fr); gap: 30px; }
  .reference-label { font-size: 16px; }
}
@media (max-width: 900px) {
  .support-items { grid-template-columns: repeat(2, 1fr); gap: 22px 55px; font-size: 20px; }
  .support-items svg { width: 34px; height: 34px; }
  .reference-row { grid-template-columns: 1fr; }
  .reference-label { font-size: 18px; }
  .services .section-heading > p { font-size: 17px; }
}
@media (max-width: 640px) {
  body[data-sector] .section-index,
  body[data-sector] .contact .eyebrow { font-size: 15px; letter-spacing: .075em; }
  .gateway-header .text-link { font-size: 14px; }
  body[data-sector] .hero .actions .text-link { font-size: 16px; }
  .support-bar .container { padding-block: 26px; }
  .support-items { width: 100%; font-size: 16px; gap: 23px 16px; }
  .support-items span { gap: 10px; }
  .support-items svg { width: 29px; height: 29px; }
  .services .section-heading > p { font-size: 16px; max-width: none; }
  .reference-label { font-size: 16px; }
  .reference-logos img, .reference-logos img[src$=".jpg"] { max-width: 145px; height: 65px; }
  .team-photo .team-caption { font-size: 15px; display: grid; gap: 6px; padding: 20px; }
  .faq-intro .text-link { font-size: 17px; }
  .contact .actions .button { font-size: 16px; width: 100%; justify-content: space-between; padding: 18px 20px; }
  .contact .actions .text-link { font-size: 16px; }
  .mobile-contact.button { font-size: 16px; padding: 17px 19px; min-height: 58px; }
}
@media (max-width: 360px) {
  .gateway-header .text-link { font-size: 12px; }
  .support-items { font-size: 15px; gap: 23px 12px; }
  .support-items span { gap: 8px; }
  .support-items svg { width: 27px; height: 27px; }
}