/* Page Visibilité de l’entreprise / Business visibility.
   Socle partagé : maquette-structure.css. Rendu issu de la variante immersive V2. */
.visibility-page { --wrap: min(1180px,calc(100% - 48px)); }
h1, h2, h3, p, figure { margin: 0; }
html { scroll-padding-top: 170px; }
.icon-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.eyebrow { display: inline-block; color: var(--violet); font-size: 10px; font-weight: 850; letter-spacing: .17em; line-height: 1.5; text-transform: uppercase; }
.eyebrow.light { color: #c3a8ff; }
h2 { margin: 16px 0 24px; color: var(--night); font-size: clamp(2.5rem,3.8vw,3.65rem); font-weight: 850; letter-spacing: -.055em; line-height: 1.06; }
em { font-style: normal; color: transparent; background: linear-gradient(115deg,var(--violet),#a52ed8 58%,var(--orange)); background-clip: text; -webkit-background-clip: text; }
.topbar-inner { display: flex; justify-content: space-between; gap: 24px; }
.main-nav { align-items: center; gap: 20px; }
.lang-switch { color: #fff; border-color: #ffffff45; }
.lang-switch:hover, .lang-switch:focus-visible { color: #ff9874; border-color: #ff9874; }
.menu-toggle { display: none; border: 1px solid #ffffff45; border-radius: 50%; width: 42px; height: 42px; padding: 0; background: #0b082b; cursor: pointer; flex: 0 0 auto; }
.menu-toggle span { display: block; width: 16px; height: 2px; background: #fff; margin: 5px auto; }
.button { line-height: 1.3; gap: 12px; }
.button .icon { width: 18px; height: 18px; }
.contact-section { position: relative; padding: 0 0 90px; background: var(--night); }
.contact-panel { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; padding: 60px; color: #fff; background: var(--night); border-radius: 30px; overflow: hidden; }
.contact-panel > div:not(.contact-glow) { position: relative; }
.contact-panel h2 { color: #fff; margin-top: 16px; letter-spacing: -.02em; }
.contact-panel h2 em { color: #ff9874; background: none; }
.contact-glow { position: absolute; inset: -220px 35% 0 -70px; background: radial-gradient(ellipse,#6a00ff60,transparent 65%); pointer-events: none; }
.contact-side p { font-size: 14px; line-height: 1.8; color: #c9bedb; margin-bottom: 24px; }
.contact-side small { display: block; margin-top: 16px; font-size: 10px; color: #afa3c2; }
.footer-top { padding: 50px 0; display: grid; grid-template-columns: 1.2fr 1fr .8fr; align-items: center; gap: 40px; }
.footer .brand-copy strong { color: #fff; font-size: 14px; }
.footer .brand-copy small { font-size: 6px; }
.footer .brand-mark { width: 44px; height: 44px; }
.footer-top > p { font-size: 12px; color: #958ba6; }
.footer-top > a:last-child { font-size: 12px; justify-self: end; }
.footer-top > a:last-child span { color: #ff9874; margin-left: 8px; }
.footer-bottom { padding: 20px 0 25px; color: #afa3c2; font-size: 11px; flex-wrap: wrap; }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 1200px) {
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 20px 24px; background: #0b082b; border-bottom: 1px solid #ffffff20; box-shadow: 0 15px 25px #12063610; }
  .main-nav.open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav a { padding: 12px 0; font-size: 14px; }
  .menu-toggle { display: block; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
}
@media (max-width: 900px) {
  .contact-panel { grid-template-columns: 1fr; gap: 30px; padding: 45px; }
  .contact-side { max-width: 600px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top > a:last-child { justify-self: start; }
}
@media (max-width: 600px) {
  .visibility-page { --wrap: calc(100% - 36px); }
  .topbar-inner { min-height: 76px; gap: 12px; }
  .brand { gap: 9px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-copy strong { font-size: 10px; letter-spacing: .16em; }
  .brand-copy small { font-size: 5px; letter-spacing: .2em; }
  .header-tools { gap: 8px; }
  .header-action { font-size: 10px; padding: 10px 12px; gap: 6px; max-width: 105px; line-height: 1.35; }
  .header-action span { font-size: inherit; }
  .menu-toggle { width: 36px; height: 36px; }
  .lang-switch { min-width: 36px; min-height: 36px; padding-inline: 8px; }
  .eyebrow { font-size: 9px; }
  .contact-section { padding-bottom: 60px; }
  .contact-panel { padding: 34px 25px; border-radius: 23px; gap: 25px; }
  .contact-panel h2 { font-size: 2.6rem; }
  .contact-side p { font-size: 13px; }
  .footer-top { grid-template-columns: 1fr; gap: 25px; padding: 40px 0 30px; }
  .footer .brand-copy strong { font-size: 13px; }
  .footer-bottom { flex-direction: column; gap: 8px; padding: 19px 0 25px; }
}
@media (max-width: 400px) {
  .header-action { display: none; }
}

/* Fonds originaux sans texte. Typographie, navigation et détails en HTML. */
.immersif-v4 { background: #0b082b; }
.immersif-v4 .topbar { background: #0b082bd9; border-color: #ffffff16; }
.immersif-v4 .topbar .brand-copy strong { color: white; }
.immersif-v4 .main-nav a { color: #cdc2e0; }
.immersif-v4 .main-nav a:hover { color: #ff9874; }
.immersif-v4 .header-action { background: #ffffff0d; border: 1px solid #ffffff26; }
.journey { position: relative; isolation: isolate; background: #0b082b; }
.journey-stage { position: sticky; top: 0; height: 100vh; height: 100svh; margin-bottom: -100vh; margin-bottom: -100svh; overflow: hidden; z-index: -1; pointer-events: none; }
.backdrop-layer { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease; background: #0b082b; }
.backdrop-layer.is-active { opacity: 1; }
.backdrop-layer img { width: 100%; height: 100%; object-fit: cover; object-position: center; max-width: none; transform: translate3d(0,var(--drift,0px),0) scale(1.04); }
.stage-shade { position: absolute; inset: 0; background: linear-gradient(180deg,#0b082bd9 0%,#0b082b26 26%,#0b082b14 43%,#0b082b66 65%,#0b082bee 100%),radial-gradient(ellipse at 50% 46%,#0b082b99 0%,#0b082b55 30%,transparent 70%); }
.stage-grain { position: absolute; inset: 0; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23fff' filter='url(%23n)' d='M0 0h160v160H0z'/%3E%3C/svg%3E"); }
.orbit { position: absolute; width: 115vw; height: 42vw; border: 1px solid #bb8bff0d; border-radius: 50%; transform: rotate(-16deg); top: 21%; left: -7%; }
.orbit-two { width: 100vw; height: 54vw; border-color: #ff98740b; transform: rotate(19deg); top: 12%; left: 3%; }
.journey-panel { position: relative; min-height: 100vh; min-height: max(900px,100svh); display: flex; align-items: center; padding: 160px 0 165px; color: white; }
.panel-content { position: relative; text-align: center; }
.scene-kicker { display: inline-flex; align-items: center; justify-content: center; gap: 10px; color: #d5bef7; font-size: 13px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.scene-kicker i { width: 6px; height: 6px; background: #c39aff; box-shadow: 0 0 15px #a969ff; border-radius: 50%; }
.panel-content h1, .panel-content h2 { color: white; font: 850 clamp(3.5rem,6.1vw,6rem)/1.02 var(--display); letter-spacing: -.065em; margin: 25px 0; text-shadow: 0 5px 40px #0b082b55; }
.panel-content h1 em, .panel-content h2 em { color: transparent; background: linear-gradient(110deg,#dbbfff 15%,#ff9874 85%); background-clip: text; -webkit-background-clip: text; }
.scene-lead { color: #e4dced; font-size: 21px; line-height: 1.7; margin: 0 auto 28px; max-width: 760px; text-shadow: 0 2px 14px #0b082b; }
.scene-context { max-width: 900px; margin: 0 auto 28px; color: #e4dced; font-size: 20px; line-height: 1.7; text-shadow: 0 2px 14px #0b082b; }
.scene-context strong { color: #ffb194; }
.scene-stat { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 22px; margin: 10px auto 28px; }
.scene-stat strong { color: #ff986d; font: 850 clamp(4rem,6.5vw,6rem)/1 var(--display); letter-spacing: -.065em; text-shadow: 0 0 40px #ff704333; }
.scene-stat > span { color: #fff1e9; font-size: 20px; font-weight: 650; line-height: 1.5; text-align: left; }
.scene-subheading { margin: 40px auto 0; color: white; font-size: 28px; letter-spacing: -.03em; }
.scene-subheading + .scene-signals { margin-top: 20px; }
.panel-content .button-primary { box-shadow: 0 10px 40px #ff704337; }
.scene-signals { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px; margin-top: 30px; }
.scene-signals > span { display: inline-flex; align-items: center; gap: 12px; border: 1px solid #ffffff29; border-radius: 999px; background: #0b082b22; padding: 11px 19px; color: #d3c5e6; font-size: 14px; font-weight: 650; backdrop-filter: blur(5px); }
.scene-signals .icon { width: 14px; height: 14px; color: #c9a6ff; }
.platform-icon { width: 40px; height: 40px; flex: 0 0 auto; overflow: visible; }
.scene-signals > span { color: #e4dced; background: #0b082b66; }
.chapter-details .icon { display: block; width: 44px; height: 44px; margin: 0 auto 13px; color: #c99fff; }
.chapter-details { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; max-width: 1050px; margin: 36px auto 0; padding-top: 24px; border-top: 1px solid #ffffff2e; }
.chapter-details span { color: #ffb194; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.chapter-details p { margin-top: 8px; color: #ddd0ed; font-size: 15px; line-height: 1.6; }
.scroll-cue { position: absolute; bottom: 112px; left: 0; right: 0; display: flex; flex-direction: column; align-items: center; gap: 8px; color: #bfb0d4; font-size: 9px; letter-spacing: .05em; }
.scroll-cue i { color: #ffae8e; font-style: normal; font-size: 19px; }
.chapter-navigation { position: fixed; z-index: 60; top: 110px; right: 24px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 5px; width: 360px; padding: 7px 9px 11px; background: #120636bb; border: 1px solid #ffffff2b; border-radius: 18px; backdrop-filter: blur(22px); box-shadow: 0 12px 40px #00000025; transition: opacity .25s,visibility .25s; overflow: hidden; }
.chapter-navigation a { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; border-radius: 11px; color: #b3a3c8; font-size: 11px; font-weight: 700; transition: background .3s,color .3s; }
.chapter-navigation a > span { color: #77638f; font-size: 8px; font-weight: 800; }
.chapter-navigation a.is-current { background: #ffffff0f; color: #fff; }
.chapter-navigation a.is-current > span { color: #ffb194; }
.journey-progress { position: absolute; height: 2px; bottom: 0; inset-inline: 13px; background: #ffffff0d; }
.journey-progress span { display: block; height: 100%; width: var(--journey-progress,0%); background: linear-gradient(90deg,#a55aff,#ff9874); transition: width .1s linear; }
.journey-finished .chapter-navigation { opacity: 0; visibility: hidden; pointer-events: none; }
.immersif-v4 .agency-section, .immersif-v4 .contact-section { position: relative; }
.immersif-v4 .agency-immersive { position: relative; isolation: isolate; min-height: 830px; padding: 120px 0; display: grid; align-items: center; overflow: hidden; background: #0b082b; color: white; }
.agency-art { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: center; }
.agency-art-shade { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg,#0b082bf0 0%,#0b082bc2 26%,#0b082b44 53%,transparent 76%),linear-gradient(180deg,#0b082b44,transparent 30%,#0b082b22 75%,#0b082b99); }
.agency-immersive .agency-copy { max-width: 590px; width: 53%; }
.agency-immersive .eyebrow { color: #b9e9dd; }
.agency-logo { width: 430px; max-width: 100%; height: auto; margin: 24px 0 32px; padding: 14px 17px; border-radius: 17px; background: white; box-shadow: 0 16px 50px #00000026; }
.agency-immersive h2 { margin: 0 0 24px; color: white; font-size: clamp(2.6rem,4.3vw,4.3rem); line-height: 1.06; letter-spacing: -.055em; }
.agency-immersive h2 em { color: #bcf0df; background: linear-gradient(110deg,#bcf0df,#c7b6ff 75%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.agency-immersive .agency-copy > p { max-width: 480px; color: #e0dcea; font-size: 18px; line-height: 1.8; margin-bottom: 24px; }
.agency-services { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 30px; }
.agency-services > span { padding: 7px 13px; border: 1px solid #d1f5e533; border-radius: 999px; background: #0b082b44; color: #ccede3; font-size: 12px; font-weight: 650; }
.agency-immersive .button-primary { max-width: 100%; }
@media (max-width: 1100px) {
  .panel-content h1, .panel-content h2 { font-size: clamp(3.5rem,6.5vw,5.4rem); }
  .chapter-details { gap: 22px; }
}
@media (max-width: 900px) {
  .immersif-v4 .agency-immersive { padding-block: 85px; }
  .agency-immersive .agency-copy { width: 65%; }
  .agency-art { object-position: 60% center; }
  .immersif-v4 .main-nav { background: #0b082b; border-color: #ffffff20; }
  .journey-panel { min-height: max(840px,100svh); padding-top: 185px; }
  .chapter-navigation { top: 104px; right: auto; left: 50%; transform: translateX(-50%); }
  .backdrop-layer img { object-fit: cover; object-position: 68% center; }
  .panel-content h1, .panel-content h2 { font-size: clamp(3.2rem,7.7vw,4.7rem); }
}
@media (max-width: 600px) {
  .immersif-v4 .agency-immersive { min-height: 1060px; padding: 365px 0 60px; align-items: end; }
  .agency-immersive .agency-copy { width: 100%; max-width: none; }
  .agency-art { height: 540px; object-position: 76% top; }
  .agency-art-shade { background: linear-gradient(180deg,#0b082b11 0%,#0b082b11 240px,#0b082bb3 400px,#0b082b 530px); }
  .agency-logo { width: 100%; margin: 20px 0 27px; padding: 10px 12px; border-radius: 13px; }
  .agency-immersive h2 { font-size: clamp(2.5rem,10.6vw,3.6rem); }
  .agency-immersive .agency-copy > p { font-size: 16px; }
  .agency-services > span { font-size: 11px; }
  .journey-panel { min-height: max(950px,100svh); padding: 185px 0 180px; }
  .scene-kicker { font-size: 10px; gap: 8px; letter-spacing: .09em; }
  .panel-content h1, .panel-content h2 { font-size: clamp(2.55rem,10.7vw,3.6rem); margin: 25px 0; }
  .scene-lead { font-size: 16px; line-height: 1.8; }
  .scene-context { font-size: 16px; line-height: 1.7; }
  .scene-context br, .scene-lead br { display: none; }
  .scene-stat { gap: 14px; margin-block: 6px 24px; }
  .scene-stat strong { font-size: 70px; }
  .scene-stat > span { font-size: 15px; }
  .scene-subheading { font-size: 26px; margin-top: 32px; }
  .scene-signals { gap: 8px; margin-top: 23px; }
  .scene-signals > span { font-size: 11px; padding: 9px 12px; gap: 8px; }
  .platform-icon { width: 32px; height: 32px; }
  #approche .scene-signals { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); }
  #approche .scene-signals > span { flex-direction: column; gap: 4px; padding: 7px 3px; border-radius: 18px; }
  #approche .panel-content h1 { margin-block: 18px; }
  .chapter-details { grid-template-columns: 1fr; gap: 22px; margin-top: 30px; padding-top: 24px; text-align: left; }
  .chapter-details > div { display: grid; grid-template-columns: 44px 1fr; gap: 0 16px; align-items: start; }
  .chapter-details .icon { width: 40px; height: 40px; grid-row: 1 / span 2; margin: 2px 0 0; }
  .chapter-details span { font-size: 12px; letter-spacing: .04em; }
  .chapter-details p { font-size: 14px; line-height: 1.6; margin-top: 5px; }
  .scroll-cue { bottom: 118px; font-size: 8px; }
  .chapter-navigation { width: min(350px,calc(100% - 36px)); padding-inline: 5px; }
  .chapter-navigation a { font-size: 10px; gap: 7px; }
  .chapter-navigation a > span { font-size: 8px; }
  .stage-shade { background: linear-gradient(180deg,#0b082be0 0%,#0b082b50 32%,#0b082b85 65%,#0b082bf2 100%),radial-gradient(ellipse at 50% 43%,#0b082b7a,transparent 72%); }
  .immersif-v4 .foundations-section { padding-top: 65px; }
}
@media (max-width: 360px) {
  .panel-content h1, .panel-content h2 { font-size: 2.3rem; }
  .scene-lead { font-size: 15px; }
  .scene-stat strong { font-size: 64px; }
  .scene-stat > span { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .backdrop-layer { transition: none; }
  .backdrop-layer img { transform: none; }
  .journey-progress span { transition: none; }
}

/* Contenu d’analyse concurrentielle propre à la version V2. */
.immersif-v2 .chapter-navigation { grid-template-columns: repeat(4,minmax(0,1fr)); width: 410px; }
.immersif-v2 .analysis-panel { padding-bottom: 175px; }
.immersif-v2 .analysis-panel .scene-lead { max-width: 880px; }
.analysis-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 52px; margin: 50px auto 38px; padding: 12px 30px 0; border-block: 1px solid #ffffff35; text-align: left; background: linear-gradient(90deg,#0b082b99,#0b082b66); backdrop-filter: blur(10px); }
.analysis-grid article { padding: 28px 0 34px; }
.analysis-grid article:nth-child(n+3) { border-top: 1px solid #ffffff25; }
.analysis-channel { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 20px; color: #d8c2fa; font-size: 14px; font-weight: 750; }
.analysis-channel .platform-icon, .analysis-channel > .icon { width: 42px; height: 42px; flex: 0 0 auto; }
.analysis-channel > .icon { color: #ffb194; }
.analysis-social-icons { display: flex; gap: 8px; }
.analysis-social-icons .platform-icon { width: 34px; height: 34px; }
.analysis-grid h3 { margin: 0 0 14px; font-size: 28px; line-height: 1.18; letter-spacing: -.035em; color: white; }
.analysis-grid p { color: #e1d6ec; font-size: 17px; line-height: 1.75; }
.analysis-outcome { display: block; margin-top: 20px; color: #ffb194; font-size: 15px; font-weight: 700; line-height: 1.6; }
.analysis-delivery { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 45px; margin: 0 auto 36px; padding: 30px; text-align: left; background: #0b082b88; backdrop-filter: blur(10px); }
.analysis-delivery h3 { margin-top: 14px; font-size: 35px; line-height: 1.15; letter-spacing: -.045em; }
.analysis-delivery .scene-kicker { font-size: 11px; }
.analysis-delivery ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 15px; }
.analysis-delivery li { display: flex; gap: 12px; align-items: start; color: #e4dced; font-size: 16px; line-height: 1.65; }
.analysis-delivery li .icon { margin-top: 3px; color: #ffb194; }
/* Les trois étapes restent lisibles devant les illustrations lumineuses. */
.immersif-v2 .chapter-details { max-width: 1180px; gap: 32px; margin-top: 42px; padding: 32px 28px; border-top: 1px solid #ffffff40; background: linear-gradient(120deg,#0b082bea,#120636e0); backdrop-filter: blur(12px); }
.immersif-v2 .chapter-details .icon { width: 56px; height: 56px; margin-bottom: 20px; color: #d7b6ff; }
.immersif-v2 .chapter-details span { display: block; color: #ffbd9f; font-size: 17px; line-height: 1.45; letter-spacing: .07em; }
.immersif-v2 .chapter-details p { margin-top: 14px; color: #fff; font-size: 22px; font-weight: 500; line-height: 1.65; }
.immersif-v2 .journey-panel { padding-bottom: 195px; }
.immersif-v2 .scroll-cue { bottom: 42px; gap: 12px; color: #f1e8ff; font-size: 14px; font-weight: 600; line-height: 1.5; text-shadow: 0 2px 8px #0b082b,0 0 20px #0b082b; }
.immersif-v2 .scroll-cue i { font-size: 28px; }
.immersif-v2 .contact-section { background: var(--night); }
.immersif-v2 .contact-panel { box-shadow: none; }
.immersif-v2 .contact-panel h2 { letter-spacing: -.02em; }
@media (max-width: 1100px) {
  .analysis-grid { gap: 0 30px; padding-inline: 24px; }
  .analysis-delivery { gap: 24px; }
}
@media (max-width: 900px) {
  .immersif-v2 .chapter-navigation { width: min(410px,calc(100% - 36px)); }
  .analysis-grid { gap: 0 24px; }
  .analysis-grid h3 { font-size: 25px; }
  .analysis-delivery { grid-template-columns: 1fr; }
  .immersif-v2 .chapter-details { grid-template-columns: 1fr; gap: 28px; padding: 30px; text-align: left; }
  .immersif-v2 .chapter-details > div { display: grid; grid-template-columns: 56px minmax(0,1fr); gap: 0 20px; align-items: start; }
  .immersif-v2 .chapter-details .icon { grid-row: 1 / span 2; margin: 2px 0 0; }
  .immersif-v2 .chapter-details p { margin-top: 8px; font-size: 20px; }
}
@media (max-width: 600px) {
  .immersif-v2 .chapter-navigation { gap: 3px; padding-inline: 5px; }
  .immersif-v2 .chapter-navigation a { font-size: 10px; }
  .analysis-grid { grid-template-columns: 1fr; margin-top: 32px; padding: 0 18px; }
  .analysis-grid article { padding-block: 28px; }
  .analysis-grid article + article { border-top: 1px solid #ffffff25; }
  .analysis-channel { gap: 10px; font-size: 13px; }
  .analysis-channel .platform-icon, .analysis-channel > .icon { width: 38px; height: 38px; }
  .analysis-social-icons .platform-icon { width: 30px; height: 30px; }
  .analysis-grid h3 { font-size: 27px; }
  .analysis-grid p { font-size: 16px; }
  .analysis-outcome { font-size: 14px; }
  .analysis-delivery { padding: 24px 18px; gap: 26px; }
  .analysis-delivery h3 { font-size: 32px; }
  .analysis-delivery li { font-size: 15px; }
  .immersif-v2 .chapter-details { gap: 26px; padding: 26px 18px; }
  .immersif-v2 .chapter-details > div { grid-template-columns: 44px minmax(0,1fr); column-gap: 14px; }
  .immersif-v2 .chapter-details .icon { width: 44px; height: 44px; }
  .immersif-v2 .chapter-details span { font-size: 15px; letter-spacing: .035em; }
  .immersif-v2 .chapter-details p { font-size: 18px; line-height: 1.7; }
  .immersif-v2 .scroll-cue { font-size: 13px; padding-inline: 20px; }
}


/* Stratégie : quatre leviers autour de la constellation indigo. */
.codex-strategy { position:relative; isolation:isolate; padding: 96px 0 100px; background:#f8f5fb; color:#120636; overflow:clip; }
.codex-strategy > .wrap { width:min(1360px,calc(100% - 64px)); }
.codex-heading { text-align:center; margin:0 auto 52px; max-width:960px; }
.codex-heading .eyebrow { color:#6a00ff; display:block; font-size:13px; letter-spacing:.14em; }
.codex-heading h2 { margin:20px 0 28px; font-size:clamp(42px,4.5vw,68px); font-weight:850; letter-spacing:-.055em; line-height:1.08; }
.codex-heading h2 em { font-style:normal; color:#6a00ff; background:linear-gradient(100deg,#6a00ff 15%,#a725dc 55%,#ff7043); background-clip:text; -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.codex-heading p { color:#5c536c; font-size:20px; line-height:1.75; max-width:840px; margin:auto; }
.codex-ecosystem { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.7fr) minmax(0,1fr); grid-template-rows:1fr 1fr; align-items:center; gap:26px; position:relative; }
.codex-art { position:relative; grid-area:1/2/3/3; align-self:stretch; display:flex; align-items:center; justify-content:center; min-width:0; margin:0; }
.codex-art img { width:100%; height:auto; aspect-ratio:1672/941; object-fit:contain; }
.codex-core { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); text-align:center; width:42%; color:#120636; }
.codex-core > span { display:block; font-size:10px; font-weight:750; text-transform:uppercase; letter-spacing:.12em; margin-bottom:8px; }
.codex-core strong { display:block; font:850 clamp(24px,2.3vw,36px)/1.05 var(--display); letter-spacing:-.045em; }
.codex-core small { display:block; margin-top:12px; font-size:12px; line-height:1.5; }
.codex-lever { border:1px solid #e3d8f0; border-radius:24px; background:#fff; padding:28px; min-width:0; align-self:stretch; display:flex; flex-direction:column; box-shadow:0 12px 40px #12063604; }
.codex-lever:nth-of-type(1) { grid-area:1/1; }
.codex-lever:nth-of-type(2) { grid-area:1/3; }
.codex-lever:nth-of-type(3) { grid-area:2/1; }
.codex-lever:nth-of-type(4) { grid-area:2/3; }
.codex-lever-top { display:flex; align-items:center; gap:14px; }
.codex-lever .icon { width:38px; height:38px; color:#6a00ff; }
.codex-lever:nth-of-type(even) .icon { color:#dc4b1b; }
.codex-channel { font-size:12px; line-height:1.5; font-weight:800; color:#5d526f; letter-spacing:.075em; }
.codex-lever h3 { font-size:clamp(25px,2vw,29px); line-height:1.16; font-weight:800; letter-spacing:-.04em; margin:22px 0 18px; color:#120636; }
.codex-lever p { font-size:18px; line-height:1.7; color:#554b64; margin:0 0 24px; }
.codex-outcome { font-size:15px; line-height:1.5; font-weight:750; color:#6a00ff; margin-top:auto; }
.codex-2 { background:#0c0629; color:#fff; }
.codex-2 .codex-heading h2 { color:#fff; }
.codex-2 .codex-heading h2 em { background-image:linear-gradient(100deg,#d5b2ff,#ffb28f); }
.codex-2 .codex-heading p { color:#ddd3ec; }
.codex-2 .eyebrow { color:#d5b2ff; }
.codex-2 .codex-ecosystem { grid-template-columns:repeat(4,minmax(0,1fr)); grid-template-rows:auto auto; gap:24px; }
.codex-2 .codex-art { grid-area:1/1/2/5; width:min(1100px,100%); justify-self:center; margin:-15px 0 12px; }
.codex-2 .codex-art img { border-radius:32px; }
.codex-2 .codex-core { color:white; width:27%; text-shadow:0 2px 24px #09051d; background:radial-gradient(ellipse,#08041ecd,transparent 72%); padding:35px 0; }
.codex-2 .codex-core strong { font-size:clamp(28px,3.8vw,58px); }
.codex-2 .codex-core small { font-size:16px; }
.codex-2 .codex-lever { grid-area:auto; border:0; border-top:1px solid #c9affb50; border-radius:0; background:transparent; box-shadow:none; padding:28px 12px 0; }
.codex-2 .codex-lever h3 { color:#fff; }
.codex-2 .codex-channel { color:#d4c0eb; }
.codex-2 .codex-lever .icon { color:#cfa5ff; }
.codex-2 .codex-lever:nth-of-type(even) .icon { color:#ffad89; }
.codex-2 .codex-lever p { color:#eee6f7; }
.codex-2 .codex-outcome { color:#ffb28f; }
@media (max-width:1150px) {
 .codex-ecosystem { grid-template-columns:1fr 1fr; gap:24px; }
 .codex-art { grid-area:1/1/2/3; width:min(760px,100%); justify-self:center; }
 .codex-lever:nth-of-type(n) { grid-area:auto; }
 .codex-core strong { font-size:42px; }
 .codex-core > span { font-size:12px; }
 .codex-core small { font-size:15px; }
 .codex-2 .codex-ecosystem { grid-template-columns:1fr 1fr; }
 .codex-2 .codex-art { grid-area:1/1/2/3; }
}
@media (max-width:760px) {
 .codex-strategy { padding:62px 0; }
 .codex-strategy > .wrap { width:calc(100% - 40px); }
 .codex-heading { margin-bottom:30px; }
 .codex-heading h2 { font-size:clamp(35px,8vw,52px); }
 .codex-heading p { font-size:18px; line-height:1.75; }
 .codex-heading .eyebrow { font-size:11px; letter-spacing:.1em; }
}
@media (max-width:550px) {
 .codex-strategy > .wrap { width:calc(100% - 32px); }
 .codex-ecosystem, .codex-2 .codex-ecosystem { grid-template-columns:minmax(0,1fr); gap:22px; }
 .codex-art, .codex-2 .codex-art { grid-area:auto; order:-1; width:100%; margin:0 0 12px; }
 .codex-core strong, .codex-2 .codex-core strong { font-size:clamp(18px,5.6vw,28px); }
 .codex-core > span, .codex-core small { display:none; }
 .codex-2 .codex-core { width:31%; padding:12px 0; }
 .codex-2 .codex-art img { border-radius:18px; }
 .codex-lever { padding:25px; }
 .codex-lever h3 { font-size:28px; }
 .codex-lever p { font-size:18px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }

/* Le positionnement Big Data tient sur deux lignes sur grand écran. */
@media (min-width: 1101px) {
  #approche .panel-content h1 { font-size: clamp(3.5rem, 5vw, 5rem); }
}