@charset "UTF-8";
:root{--ink:#081f43;--muted:#52657a;--paper:#f5f8fb;--white:#fff;--line:#cfdbe7;--teal:#006bf7;--blue:#075fff;--cyan:#00bde7;--lime:#8bd70b;--red:#a1292a;--glass:rgba(255,255,255,.76);--radius:22px;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:78px;scroll-snap-type:y proximity}body{margin:0;line-height:1.55;overflow-x:hidden}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.56}[hidden]{display:none!important}:focus-visible{outline:3px solid #ffb423;outline-offset:4px}h1,h2,h3,p{margin-top:0}.skip{position:fixed;top:-100px;left:16px;z-index:100;background:#fff;padding:12px 16px;border-radius:8px}.skip:focus{top:12px}.section-shell{width:min(1220px,calc(100% - 72px));margin-inline:auto}.muted{color:var(--muted);font-size:13px}.wordmark{font-size:21px;font-weight:800;letter-spacing:-.7px;text-decoration:none;line-height:1.05}.wordmark>span{display:block;font-size:13px;font-weight:500;color:var(--blue)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;border:1px solid #0a45d2;background:#0c5bfa;color:#fff;border-radius:999px;padding:14px 22px;font-weight:750;text-decoration:none;font-size:13px;min-height:48px;box-shadow:0 12px 30px rgba(5,74,215,.18);transition:transform .2s,box-shadow .2s,background .2s}.button:hover{background:#034bd5;transform:translateY(-2px);box-shadow:0 16px 36px rgba(5,74,215,.25)}.button span{font-size:18px}.button.small{padding:9px 17px;min-height:42px;gap:12px}.button.wide{width:100%;justify-content:space-between}.button.secondary{background:transparent;color:var(--ink);border-color:var(--line);box-shadow:none}.button.secondary:hover{background:#edf4fb}
.lab-backdrop{position:fixed;inset:0;z-index:-2;background:#eef7fc url("assets/images/lab-horizon-bg.png") center/cover no-repeat}.lab-backdrop:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(249,252,255,.2),rgba(239,247,253,.5) 66%,rgba(233,243,250,.82));backdrop-filter:saturate(.9)}
.site-header{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:50;width:min(1430px,calc(100% - 36px));height:66px;padding:0 18px 0 22px;border:1px solid rgba(117,151,182,.35);border-radius:18px;background:rgba(255,255,255,.79);backdrop-filter:blur(18px) saturate(1.2);box-shadow:0 12px 40px rgba(19,67,106,.08);display:flex;align-items:center;justify-content:space-between;gap:22px}.lsi-mark{display:flex;align-items:center;gap:13px;text-decoration:none;min-width:220px}.lsi-mark strong{font:500 28px/1 Georgia,serif;letter-spacing:1px}.lsi-mark span{font-size:9px;line-height:1.25;color:var(--muted)}.site-header nav{display:flex;align-items:center;gap:30px}.site-header nav a{position:relative;text-decoration:none;font-size:12px;font-weight:700}.site-header nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--blue);transition:right .2s}.site-header nav a:hover:after,.site-header nav a[aria-current=true]:after{right:0}.header-end{display:flex;align-items:center;justify-content:flex-end;gap:18px;min-width:220px}.header-end img{width:105px;height:38px;object-fit:contain}
.progress-rail{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:45;display:flex;flex-direction:column;gap:8px;padding:14px 8px;border:1px solid rgba(105,139,172,.3);border-radius:999px;background:rgba(255,255,255,.74);backdrop-filter:blur(14px)}.progress-rail:before{content:"";position:absolute;top:24px;bottom:24px;left:50%;width:1px;background:#a8bbce;z-index:-1}.progress-rail a{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;text-decoration:none;background:#fff;border:1px solid #96aac0;transition:.2s}.progress-rail a:before{content:"";width:5px;height:5px;border-radius:50%;background:#7890aa}.progress-rail a span{position:absolute;right:31px;padding:3px 7px;border-radius:5px;background:var(--ink);color:#fff;font-size:9px;opacity:0;transform:translateX(6px);pointer-events:none;transition:.2s}.progress-rail a:hover span,.progress-rail a[aria-current=true] span{opacity:1;transform:none}.progress-rail a[aria-current=true]{border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,107,247,.14)}.progress-rail a[aria-current=true]:before{background:var(--blue);width:8px;height:8px}
.scroll-stage{position:relative;isolation:isolate}.wheel-panel{min-height:100svh;padding:92px 22px 18px;scroll-snap-align:start;display:flex;align-items:stretch;perspective:1500px}.panel-surface{position:relative;width:100%;min-height:calc(100svh - 110px);display:grid;align-items:center;overflow:hidden;border:1px solid rgba(127,160,189,.32);border-radius:52px 52px 42px 42px;background:rgba(255,255,255,.72);backdrop-filter:blur(15px) saturate(1.08);box-shadow:0 30px 90px rgba(24,69,105,.13);transform-style:preserve-3d;will-change:transform,opacity;transition:box-shadow .25s}.panel-surface:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(125deg,rgba(255,255,255,.6),transparent 38%,rgba(43,134,255,.045) 75%,rgba(157,226,47,.08));z-index:-1}.eyebrow{font-size:10px;font-weight:800;letter-spacing:2px;margin:0 0 20px;display:flex;align-items:center;gap:10px;color:#204063}.eyebrow span{width:24px;height:2px;background:var(--blue)}h1{font:600 clamp(56px,6vw,90px)/.98 Georgia,"Times New Roman",serif;letter-spacing:-4px;margin-bottom:28px}h1 em,h2 em{font-style:normal;color:var(--blue)}h2{font:600 clamp(38px,4vw,61px)/1.02 Georgia,"Times New Roman",serif;letter-spacing:-2px;margin:0}.text-link{font-size:13px;font-weight:750;text-decoration:none;border-bottom:1px solid;padding-bottom:4px}.text-link:hover{color:var(--blue)}
.hero-surface{background:linear-gradient(90deg,rgba(255,255,255,.93),rgba(255,255,255,.62) 52%,rgba(240,248,254,.34));}.hero-surface:after{content:"";position:absolute;width:440px;height:440px;border-radius:50%;right:15%;top:14%;border:1px solid rgba(0,107,247,.22);box-shadow:0 0 0 60px rgba(0,107,247,.025),0 0 0 120px rgba(0,107,247,.018);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:90px;padding-block:75px;position:relative;z-index:1}.hero-copy{max-width:760px}.hero-intro{max-width:620px;color:#405970;font-size:16px;line-height:1.8}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:26px;margin-top:30px}.hero-data{justify-self:end;width:min(330px,100%);display:grid;gap:14px}.lab-chip,.date-chip{background:rgba(255,255,255,.73);border:1px solid rgba(98,142,183,.33);box-shadow:0 20px 45px rgba(38,85,124,.08);backdrop-filter:blur(12px);border-radius:19px;padding:21px}.lab-chip span,.date-chip span{font-size:9px;letter-spacing:1.6px;color:var(--blue);font-weight:800}.lab-chip strong,.date-chip strong{display:block;font:600 29px/1.1 Georgia,serif;margin:8px 0 4px}.lab-chip small{color:var(--muted)}.hero-data>p{justify-self:end;text-align:right;font-size:10px;text-transform:uppercase;letter-spacing:3px;line-height:2;color:#446078;margin:12px 4px 0}.scroll-cue{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;font-size:9px;letter-spacing:1.7px;text-transform:uppercase;color:#61788e}.scroll-cue i{width:18px;height:28px;border:1px solid #8aa3bb;border-radius:999px;position:relative}.scroll-cue i:after{content:"";position:absolute;width:3px;height:6px;border-radius:5px;background:var(--blue);top:5px;left:7px;animation:scrollDot 1.8s infinite}@keyframes scrollDot{0%{transform:translateY(0);opacity:0}25%{opacity:1}75%{opacity:1}100%{transform:translateY(10px);opacity:0}}
.light-surface{background:rgba(252,253,255,.9)}.light-surface .section-shell,.info-surface .section-shell{padding-block:62px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:60px;margin-bottom:38px}.section-heading>p{width:min(390px,38%);font-size:14px;color:var(--muted);margin-bottom:4px}.section-heading.compact{margin-bottom:24px}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.theme-card{position:relative;min-height:345px;padding:25px 26px;border:1px solid rgba(107,146,182,.27);border-radius:24px;background:rgba(255,255,255,.72);overflow:hidden;box-shadow:0 18px 45px rgba(31,81,120,.07);transition:transform .25s,border-color .25s,box-shadow .25s}.theme-card:hover{transform:translateY(-7px);border-color:rgba(0,107,247,.45);box-shadow:0 24px 60px rgba(31,81,120,.13)}.theme-card>span{font-size:11px;color:var(--blue);font-weight:800}.theme-card h3{font:600 28px/1.08 Georgia,serif;margin:26px 0 12px}.theme-card p{font-size:13px;color:var(--muted);max-width:260px}.theme-icon{height:120px;width:120px;margin:20px auto 0;border-radius:32px;position:relative;background:linear-gradient(145deg,rgba(0,107,247,.08),rgba(0,189,231,.2));box-shadow:20px 8px 0 rgba(0,107,247,.07),-14px -8px 0 rgba(0,107,247,.04)}.theme-card:nth-child(2) .theme-icon{background:linear-gradient(145deg,rgba(143,220,15,.09),rgba(143,220,15,.26));box-shadow:20px 8px 0 rgba(143,220,15,.07),-14px -8px 0 rgba(143,220,15,.04)}.fingerprint:after{content:"";position:absolute;inset:23px;border:8px double var(--blue);border-radius:48% 48% 42% 42%;box-shadow:inset 0 0 0 5px white,0 0 0 2px rgba(0,107,247,.2)}.pulse:before{content:"♡";position:absolute;inset:0;display:grid;place-items:center;font-size:76px;line-height:1;color:#6ebd00}.pulse:after{content:"⌁";position:absolute;inset:38px 0 0;text-align:center;font-size:46px;color:#3da500}.card-icon:before{content:"";position:absolute;inset:33px 20px;border:5px solid #00a5df;border-radius:12px;transform:rotate(-5deg)}.card-icon:after{content:"";position:absolute;left:33px;right:33px;top:54px;height:8px;border-block:4px solid #00a5df}.section-signature{text-align:right;margin:24px 4px 0;color:#567087;text-transform:uppercase;font-size:9px;letter-spacing:2.5px}
.program-surface{background:linear-gradient(135deg,rgba(247,251,255,.96),rgba(226,240,252,.87));}.program-shell{padding-block:42px}.program-console{display:grid;grid-template-columns:220px 1fr;border:1px solid rgba(92,134,173,.28);border-radius:25px;background:rgba(255,255,255,.68);box-shadow:0 24px 60px rgba(27,74,112,.1);overflow:hidden}.program-aside{padding:22px;border-right:1px solid rgba(92,134,173,.22);background:rgba(239,247,254,.56)}.day-tabs{display:grid;gap:10px}.day-tabs button{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;padding:12px 14px;border-radius:13px;border:1px solid #c7d7e6;background:rgba(255,255,255,.76);color:var(--ink);font-weight:750;text-align:left}.day-tabs button span{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:#e9f1fa;font-size:10px}.day-tabs button[aria-selected=true]{color:#fff;border-color:var(--blue);background:linear-gradient(135deg,#075fff,#008cfa);box-shadow:0 10px 26px rgba(0,107,247,.24)}.day-tabs button[aria-selected=true] span{background:rgba(255,255,255,.16)}.program-date{margin-top:25px;padding-top:18px;border-top:1px solid var(--line)}.program-date small{font-size:9px;letter-spacing:1.5px;color:var(--muted)}.program-date strong{display:block;margin-top:5px;font:600 17px Georgia,serif}.program-list{padding:7px 22px;max-height:390px;overflow:auto;scrollbar-color:#6c9ac4 transparent}.program-row{display:grid;grid-template-columns:120px 13px 1fr;gap:15px;align-items:start;padding:13px 0;border-bottom:1px solid rgba(113,148,179,.2)}.program-row:last-child{border-bottom:0}.program-time{font-size:11px;font-weight:800;color:#315776;padding-top:3px;white-space:nowrap}.program-dot{width:11px;height:11px;border-radius:50%;background:#fff;border:3px solid var(--blue);margin-top:4px;box-shadow:0 0 0 5px rgba(0,107,247,.08)}.program-row h3{font-size:13px;margin:0;font-weight:750}.program-row p{font-size:10px;margin:4px 0 0;color:var(--muted)}.program-row.pause{opacity:.66}.program-row.pause .program-dot{border-color:#99aabd;box-shadow:none}
.info-surface{background:rgba(250,253,255,.88)}.practical-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.practical-grid article{min-height:230px;padding:24px;border:1px solid rgba(99,141,180,.28);border-radius:22px;background:rgba(255,255,255,.72);box-shadow:0 18px 48px rgba(33,79,115,.07)}.practical-grid .card-number{float:right;color:#a7bacb;font:500 32px Georgia,serif}.practical-grid article>small{font-size:9px;letter-spacing:1.7px;color:var(--blue);font-weight:800}.practical-grid h3{clear:both;margin:50px 0 10px;font:600 24px/1.1 Georgia,serif;overflow-wrap:anywhere}.practical-grid p{font-size:13px;color:var(--muted)}.organizers{display:flex;align-items:center;gap:30px;margin-top:25px;padding:18px 24px;border:1px solid rgba(99,141,180,.24);border-radius:18px;background:rgba(255,255,255,.6)}.organizers>span{font-size:9px;letter-spacing:1.7px;color:var(--muted)}.organizers img{width:160px;max-height:48px;object-fit:contain;margin-left:auto}.lsi-brand{font:500 28px Georgia,serif;letter-spacing:2px}.lsi-brand img{width:140px;margin:0}
.register-panel{position:relative;min-height:100svh;padding:125px 0 80px;scroll-snap-align:start;background:linear-gradient(135deg,rgba(7,31,68,.97),rgba(8,71,143,.95));color:#fff;overflow:hidden}.register-panel:before{content:"";position:absolute;left:-15%;right:-15%;top:-110px;height:220px;border-radius:50%;background:#eef6fb;box-shadow:0 25px 50px rgba(4,37,77,.2)}.register-glow{position:absolute;width:620px;height:620px;border-radius:50%;right:-130px;top:80px;background:radial-gradient(circle,rgba(0,210,255,.25),transparent 65%)}.register-layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:75px;align-items:start;position:relative}.register-copy{padding-top:55px}.register-copy .eyebrow{color:#9cd8ff}.register-copy .eyebrow span{background:#81d4ff}.register-copy h2{color:#fff;font-size:clamp(46px,5vw,70px)}.register-copy h2 em{color:#8de626}.register-copy>p{max-width:440px;color:#c7d9eb;font-size:14px;line-height:1.8}.steps{list-style:none;margin:38px 0 0;padding:0;max-width:440px}.steps li{display:grid;grid-template-columns:36px 1fr;gap:15px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.14)}.steps>li>span{display:grid;place-items:center;width:33px;height:33px;border:1px solid rgba(139,230,38,.5);border-radius:50%;color:#a6ee55;font-size:10px}.steps b,.steps small{display:block}.steps b{font-size:13px}.steps small{margin-top:2px;color:#aebfd1;font-size:11px}.registration-form{position:relative;padding:32px;border-radius:28px;background:rgba(255,255,255,.97);color:var(--ink);box-shadow:0 30px 90px rgba(0,15,43,.32);border:1px solid rgba(255,255,255,.76)}.form-heading{display:flex;align-items:start;justify-content:space-between;gap:20px;margin-bottom:7px}.form-heading span{font-size:9px;letter-spacing:1.6px;color:var(--blue);font-weight:800}.form-heading h3{font:600 27px/1.1 Georgia,serif;margin:7px 0}.form-heading>strong{font-size:11px;color:#708498;letter-spacing:1px}.registration-form>p.muted{margin-bottom:22px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}label{display:block;font-size:11px;font-weight:750;margin-bottom:15px}input,select,textarea{display:block;width:100%;margin-top:7px;border:1px solid #bdcddd;background:#fafdff;padding:11px 12px;border-radius:10px;color:var(--ink);min-height:45px;min-width:0;transition:.18s}input::placeholder{color:#71849a;font-size:11px}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,107,247,.09);outline:0}input[aria-invalid=true]{border-color:var(--red);box-shadow:0 0 0 2px rgba(161,41,42,.09)}fieldset{padding:0;border:0;margin:5px 0 19px;min-width:0}legend{font-size:11px;font-weight:750;margin-bottom:10px}.presence-cards{display:grid;grid-template-columns:1fr 1fr 1.12fr;gap:8px}.presence-card{position:relative;display:flex;align-items:flex-start;border:1px solid #bdcddd;border-radius:12px;padding:12px 9px;cursor:pointer;margin:0;min-width:0;min-height:91px;transition:.18s;background:#fbfdff}.presence-card input{width:15px;height:15px;min-height:0;margin:2px 7px 0 0;accent-color:var(--blue);flex-shrink:0;box-shadow:none}.presence-card b,.presence-card small{display:block}.presence-card b{font-size:10px;line-height:1.3}.presence-card small{font-size:9px;line-height:1.4;margin-top:7px;font-weight:400;color:var(--muted)}.presence-card i{display:none;position:absolute;bottom:6px;right:9px;font-size:13px;font-style:normal}.presence-card:has(input:checked){border:2px solid var(--blue);padding:11px 8px;background:#eef5ff;box-shadow:0 0 0 2px rgba(0,107,247,.1)}.presence-card:has(input:checked) i{display:block;color:var(--blue)}.presence-card:focus-within{outline:3px solid #ffb423;outline-offset:2px}.field-error{display:block;color:var(--red);font-weight:500;font-size:10px;margin-top:4px}.field-error:empty{display:none}.privacy{font-size:10px;color:var(--muted);margin-bottom:17px}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.message{padding:15px;border:1px solid #66a18b;background:#eff9f2;border-radius:10px;color:#174637;font-size:13px;margin-top:15px;overflow-wrap:anywhere}.message.error{background:#fff1ef;border-color:#c17068;color:#8a2820}.message.warning{background:#fff7df;border-color:#c3a453;color:#614813}
.site-footer{background:#061a3a;color:#fff;padding:30px 0;border-top:1px solid rgba(255,255,255,.1)}.site-footer .section-shell{display:flex;align-items:center;justify-content:space-between;gap:25px}.site-footer p{font-size:10px;color:#9eb1c7;margin:0}.site-footer>a,.site-footer .section-shell>a:last-child{font-size:11px;text-underline-offset:4px}
@media(max-width:1050px){.site-header nav{gap:16px}.lsi-mark,.header-end{min-width:0}.header-end img{display:none}.hero-grid{gap:35px}.section-heading{gap:30px}.theme-card{min-height:320px}.program-console{grid-template-columns:190px 1fr}.register-layout{gap:35px;grid-template-columns:.7fr 1.3fr}.registration-form{padding:25px}.presence-cards{grid-template-columns:1fr}.presence-card{min-height:58px;align-items:center}.presence-card small{margin-top:1px}.progress-rail{right:8px}}
@media(max-width:760px){html{scroll-snap-type:none}.lab-backdrop{background-position:62% center}.site-header{top:8px;width:calc(100% - 16px);height:60px;padding:0 11px 0 15px}.lsi-mark span,.site-header nav,.header-end img{display:none}.lsi-mark strong{font-size:24px}.header-end{margin-left:auto}.progress-rail{display:none}.section-shell{width:calc(100% - 32px)}.wheel-panel{min-height:auto;padding:78px 8px 8px;display:block}.panel-surface{min-height:auto;border-radius:28px;transform:none!important;opacity:1!important}.hero-grid{grid-template-columns:1fr;padding-block:75px 100px}.hero-data{display:none}h1{font-size:clamp(48px,14vw,66px);letter-spacing:-3px}.hero-intro{font-size:14px}.hero-actions{align-items:flex-start;flex-direction:column}.scroll-cue{bottom:23px}.light-surface .section-shell,.info-surface .section-shell{padding-block:50px}.section-heading{display:block;margin-bottom:27px}.section-heading>p{width:auto;margin-top:20px}.theme-grid,.practical-grid,.register-layout{grid-template-columns:1fr}.theme-card{min-height:250px}.theme-icon{height:85px;width:85px;margin-top:10px}.fingerprint:after{inset:17px}.pulse:before{font-size:57px}.pulse:after{inset:23px 0 0}.card-icon:before{inset:24px 15px}.card-icon:after{top:40px;left:25px;right:25px}.section-signature{text-align:left}.program-shell{padding-block:46px}.program-console{grid-template-columns:1fr}.program-aside{border-right:0;border-bottom:1px solid var(--line)}.day-tabs{grid-template-columns:1fr 1fr}.program-date{margin-top:14px;padding-top:13px}.program-list{max-height:480px;padding-inline:14px}.program-row{grid-template-columns:92px 10px 1fr;gap:9px}.program-time{font-size:9px}.program-row h3{font-size:12px}.organizers{flex-wrap:wrap;gap:17px}.organizers img{width:135px;margin-left:0}.register-panel{padding:115px 0 55px}.register-layout{gap:35px}.register-copy{padding-top:0}.register-copy h2{font-size:52px}.registration-form{padding:23px 17px;border-radius:22px}.form-row{grid-template-columns:1fr;gap:0}.presence-cards{grid-template-columns:1fr}.site-footer .section-shell{align-items:flex-start;flex-wrap:wrap}.site-footer p{order:3;width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.panel-surface{transform:none!important;opacity:1!important}*,*:before,*:after{transition:none!important;animation:none!important}}
.header-end img{background:#0a2d63;border-radius:9px;padding:5px 9px}.organizers img{background:#0a2d63;border-radius:9px;padding:6px 10px}.lsi-brand img{background:transparent;padding:0}
@media(max-width:760px){h1{font-size:clamp(43px,12vw,54px);letter-spacing:-2.4px;overflow-wrap:anywhere}}

/* Passe de finition : surfaces plus légères et navigation plus expressive. */
.site-header{top:16px;width:min(1500px,calc(100% - 56px));height:80px;padding:0 22px 0 26px;border-radius:23px;background:rgba(255,255,255,.84);box-shadow:0 18px 55px rgba(19,67,106,.13),inset 0 1px 0 #fff;gap:28px}.site-header:after{content:"";position:absolute;left:28px;right:28px;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent,var(--blue),var(--cyan),transparent);opacity:.35}.lsi-mark{min-width:380px}.header-event{display:block;margin-left:9px;padding-left:20px;border-left:1px solid #c6d5e3;font-style:normal;font-size:11px;line-height:1.14;color:#405c75;letter-spacing:.1px}.header-event b{color:var(--blue)}.site-header nav{gap:9px}.site-header nav a{padding:10px 13px;border-radius:999px;transition:background .2s,color .2s,transform .2s}.site-header nav a:after{display:none}.site-header nav a:hover{background:#edf4ff;color:var(--blue);transform:translateY(-1px)}.site-header nav a[aria-current=true]{background:#e8f1ff;color:var(--blue);box-shadow:inset 0 0 0 1px rgba(0,107,247,.12)}.header-end{min-width:240px}.header-end img{width:112px;height:42px}.header-end .button{min-height:47px;padding-inline:20px}
.wheel-panel{padding:112px 58px 42px;align-items:center;scroll-snap-stop:always}.panel-surface{width:min(1660px,100%);min-height:clamp(620px,calc(100svh - 154px),880px);margin:auto;border-radius:45px;background:rgba(255,255,255,.56);backdrop-filter:blur(11px) saturate(1.06);box-shadow:0 26px 75px rgba(24,69,105,.11)}.hero-surface{background:linear-gradient(90deg,rgba(255,255,255,.76),rgba(247,252,255,.49) 52%,rgba(230,244,252,.3))}.light-surface{background:rgba(252,253,255,.67)}.program-surface{background:linear-gradient(135deg,rgba(247,251,255,.75),rgba(218,238,252,.61))}.info-surface{background:rgba(250,253,255,.64)}.theme-card,.practical-grid article{background:rgba(255,255,255,.59);backdrop-filter:blur(8px)}
.button{position:relative;isolation:isolate;overflow:hidden;min-height:52px;padding-inline:25px;border-color:#075fff;background:linear-gradient(135deg,#075fff,#087cf2);box-shadow:0 13px 32px rgba(5,74,215,.24),inset 0 1px 0 rgba(255,255,255,.28)}.button:before{content:"";position:absolute;z-index:-1;width:150px;height:150px;left:calc(var(--mx,50%));top:calc(var(--my,50%));transform:translate(-50%,-50%) scale(0);border-radius:50%;background:rgba(255,255,255,.22);transition:transform .35s}.button:hover{background:linear-gradient(135deg,#004cd8,#006bf7);transform:translateY(-3px);box-shadow:0 18px 38px rgba(5,74,215,.31),0 0 0 5px rgba(0,107,247,.08)}.button:hover:before{transform:translate(-50%,-50%) scale(1)}.button:active{transform:translateY(0) scale(.98)}.button span{display:grid;place-items:center;width:27px;height:27px;margin:-4px -8px -4px 0;border-radius:50%;background:rgba(255,255,255,.16);transition:transform .25s,background .25s}.button:hover span{transform:translate(3px,-2px);background:rgba(255,255,255,.25)}.text-link{position:relative;border:0;padding-bottom:7px}.text-link:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform-origin:left;transition:transform .25s}.text-link:hover:after{transform:scaleX(.55)}
.progress-rail{right:22px;width:158px;gap:5px;padding:12px;border-radius:23px;background:rgba(255,255,255,.62);box-shadow:0 15px 45px rgba(15,55,91,.12);opacity:.72;transition:opacity .25s,transform .25s,background .25s}.progress-rail:hover{opacity:1;background:rgba(255,255,255,.88);transform:translateY(-50%) translateX(-3px)}.progress-rail:before{top:25px;bottom:25px;left:auto;right:22px;background:#a7b9ca}.progress-rail a{position:relative;width:134px;height:36px;padding:0 26px 0 10px;display:flex;align-items:center;justify-content:flex-start;border:0;border-radius:12px;background:transparent}.progress-rail a:before{position:absolute;right:7px;width:7px;height:7px;border:2px solid #fff;box-shadow:0 0 0 1px #8ba2b7;background:#fff}.progress-rail a span{position:static;padding:0;background:transparent;color:#294862;font-size:10px;opacity:.35;transform:none;transition:opacity .2s,color .2s}.progress-rail a span b{margin-right:7px;color:var(--blue);font-size:9px}.progress-rail a:hover span{opacity:.75;transform:none}.progress-rail a[aria-current=true]{border-color:transparent;background:rgba(255,255,255,.8);box-shadow:0 7px 20px rgba(28,78,118,.1)}.progress-rail a[aria-current=true]:before{width:9px;height:9px;background:var(--blue);border-color:#fff;box-shadow:0 0 0 3px rgba(0,107,247,.17)}.progress-rail a[aria-current=true] span{opacity:1;transform:none;color:var(--ink);font-weight:750}.panel-next{position:absolute;left:50%;bottom:15px;transform:translateX(-50%);display:flex;align-items:center;gap:11px;padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.55);color:#526c83;text-decoration:none;text-transform:uppercase;font-size:8px;letter-spacing:1.5px;backdrop-filter:blur(8px);transition:.2s}.panel-next i{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:var(--blue);color:#fff;font-style:normal;font-size:12px;box-shadow:0 6px 18px rgba(0,107,247,.22)}.panel-next:hover{background:#fff;color:var(--blue);transform:translateX(-50%) translateY(3px)}.hero-surface .panel-next{display:none}
.register-panel{padding:145px 0 95px}.register-layout{grid-template-columns:minmax(420px,1fr) minmax(600px,1.2fr);gap:105px}.register-copy{padding:68px 0 0 22px;max-width:570px}.register-copy h2{font-size:clamp(57px,5.2vw,78px);line-height:.98;max-width:570px}.register-copy h2 em{display:block;margin-top:7px}.register-copy>p{font-size:16px;line-height:1.9;max-width:540px;margin-top:30px}.steps{max-width:540px;margin-top:44px}.steps li{grid-template-columns:47px 1fr;gap:18px;padding:19px 4px}.steps>li>span{width:39px;height:39px}.steps b{font-size:14px}.steps small{font-size:12px;margin-top:4px}.registration-form{padding:38px 40px;border-radius:31px}.form-heading{margin-bottom:12px}.form-heading h3{font-size:31px}.registration-form>p.muted{margin-bottom:28px}
.site-footer{position:relative;padding:0;background:linear-gradient(145deg,#061a3a,#082d62);overflow:hidden}.site-footer:before{content:"";position:absolute;width:540px;height:540px;right:-180px;top:-300px;border:1px solid rgba(63,183,255,.2);border-radius:50%;box-shadow:0 0 0 75px rgba(63,183,255,.025),0 0 0 150px rgba(63,183,255,.018)}.footer-main{position:relative;display:grid!important;grid-template-columns:1.45fr 1fr .8fr 1fr;align-items:start!important;gap:70px!important;padding-block:64px 50px}.footer-main h2{font:800 10px/1.2 Inter,sans-serif;letter-spacing:1.7px;text-transform:uppercase;color:#7fafd9;margin-bottom:21px}.footer-main p,.footer-main dd,.footer-main a{font-size:12px;color:#b7c9db;text-decoration:none}.footer-main>div:not(.footer-brand)>a{display:block;margin:0 0 10px;transition:.2s}.footer-main>div:not(.footer-brand)>a:hover{color:#fff;transform:translateX(4px)}.footer-brand .wordmark{font-size:29px}.footer-brand .wordmark>span{font-size:17px;color:#51b9ff}.footer-brand>p{max-width:340px;line-height:1.8;margin:22px 0}.footer-organizers{display:flex;align-items:center;gap:20px}.footer-organizers b{font:500 25px Georgia,serif}.footer-organizers img{width:125px;height:40px;object-fit:contain;background:#0c3979;border-radius:8px;padding:5px 8px}.footer-main dl{margin:0}.footer-main dt{font-size:9px;letter-spacing:1px;text-transform:uppercase;color:#6f8da9;margin-top:14px}.footer-main dd{margin:4px 0 0;color:#fff}.footer-admin{display:inline-block!important;margin-top:18px!important;padding-bottom:5px;border-bottom:1px solid #57bfff;color:#fff!important}.footer-bottom{position:relative;display:flex!important;align-items:center!important;justify-content:space-between;gap:25px!important;padding-block:20px;border-top:1px solid rgba(255,255,255,.12);font-size:9px;letter-spacing:.8px;text-transform:uppercase;color:#708eab}.footer-bottom a{color:#b9d9f3;text-decoration:none}
@media(max-width:1280px){.header-event{display:none}.lsi-mark{min-width:220px}.register-layout{gap:50px;grid-template-columns:.82fr 1.18fr}.register-copy{padding-left:0}.progress-rail{width:145px}.progress-rail a{width:121px}.footer-main{gap:35px!important}}
@media(max-width:1050px){.site-header{width:calc(100% - 32px)}.wheel-panel{padding-inline:28px}.progress-rail{width:46px;padding-inline:5px}.progress-rail a{width:34px;padding:0}.progress-rail a span{display:none}.progress-rail:before{right:22px}.register-layout{grid-template-columns:.75fr 1.25fr;gap:35px}.register-copy h2{font-size:55px}.register-copy>p{font-size:14px}.footer-main{grid-template-columns:1.4fr 1fr 1fr!important}.footer-main>div:nth-child(3){display:none}}
@media(max-width:760px){.site-header{top:8px;width:calc(100% - 16px);height:64px}.wheel-panel{padding:80px 8px 8px}.panel-surface{min-height:auto;width:100%}.register-panel{padding:115px 0 58px}.register-layout{grid-template-columns:1fr}.register-copy{padding:0;max-width:none}.register-copy h2{font-size:52px}.register-copy>p{font-size:14px;margin-top:22px}.registration-form{padding:24px 18px}.footer-main{grid-template-columns:1fr 1fr!important;gap:38px 25px!important;padding-block:45px 35px}.footer-brand{grid-column:1/-1}.footer-main>div:nth-child(3){display:block}.footer-bottom{align-items:flex-start!important;flex-wrap:wrap}.footer-bottom span:nth-child(2){display:none}.panel-next{display:none}}


/* Navigation native et lisible : la molette reste entièrement sous le contrôle de l'utilisateur. */
html{scroll-snap-type:none;scroll-padding-top:112px}
.wheel-panel,.register-panel{scroll-snap-align:none;scroll-snap-stop:normal;scroll-margin-top:104px}
.panel-surface{transition:transform .09s linear,opacity .09s linear,box-shadow .25s}

/* En-tête rééquilibré pour les grands écrans. */
.site-header{height:88px;padding-inline:30px 25px}
.lsi-mark strong{font-size:32px}
.lsi-mark span{font-size:10.5px;line-height:1.3}
.header-event{font-size:13px;line-height:1.25;padding-left:23px}
.site-header nav a{font-size:14px;font-weight:760;padding:12px 16px}
.header-end .button{font-size:14px;min-height:51px;padding-inline:23px}

/* Sommaire de progression volontairement présent, sombre et très lisible. */
.progress-rail{right:28px;width:230px;gap:6px;padding:15px 14px;border-radius:28px;border:1px solid rgba(139,197,255,.25);background:rgba(5,24,53,.9);box-shadow:0 22px 65px rgba(1,17,39,.32),inset 0 1px 0 rgba(255,255,255,.08);opacity:.94;backdrop-filter:blur(20px) saturate(1.2)}
.progress-rail:hover{opacity:1;background:rgba(5,24,53,.96);transform:translateY(-50%) translateX(-4px)}
.progress-rail:before{top:29px;bottom:29px;right:27px;background:rgba(153,195,231,.38)}
.progress-rail a{width:200px;height:47px;padding:0 42px 0 15px;border-radius:15px}
.progress-rail a:before{right:9px;width:8px;height:8px;border-color:#0a1d38;box-shadow:0 0 0 1px rgba(171,208,239,.75);background:#496783}
.progress-rail a span{font-size:12px;letter-spacing:.08px;color:#d8e9f8;opacity:.56}
.progress-rail a span b{font-size:10px;color:#72b9ff;margin-right:10px}
.progress-rail a:hover{background:rgba(255,255,255,.08)}
.progress-rail a:hover span{opacity:.9;color:#fff}
.progress-rail a[aria-current=true]{background:linear-gradient(90deg,rgba(0,107,247,.4),rgba(22,124,218,.16));box-shadow:inset 0 0 0 1px rgba(105,184,255,.24),0 9px 25px rgba(0,8,26,.22)}
.progress-rail a[aria-current=true]:before{background:#42c8ff;box-shadow:0 0 0 3px rgba(66,200,255,.2),0 0 15px rgba(66,200,255,.6)}
.progress-rail a[aria-current=true] span{color:#fff}

@media(max-width:1280px){.site-header nav a{font-size:13px;padding-inline:12px}.progress-rail{width:196px;right:16px}.progress-rail a{width:166px}.progress-rail a span{font-size:11px}}
@media(max-width:1050px){.site-header{height:76px;padding-inline:20px}.lsi-mark strong{font-size:28px}.site-header nav a{font-size:12px;padding-inline:9px}.progress-rail{width:54px;padding-inline:7px}.progress-rail a{width:38px;padding:0}.progress-rail a span{display:none}.progress-rail:before{right:26px}}


/* Navigation finale : arrivée sur le contenu visible et rail compact extensible. */
.brand-cluster{display:flex;align-items:center;min-width:390px}
.brand-cluster .lsi-mark{min-width:0}
.header-event{text-decoration:none}
.esst-link{display:flex;align-items:center;border-radius:10px}
.date-chip small{display:block;margin-top:7px;color:#5e7690;font-size:10px}
.program-date span{display:block;margin-top:5px;color:#6f8498;font-size:9px;line-height:1.35}
.technical-support{margin:-5px 0 16px;color:#526a82;font-size:10px;line-height:1.55}
.technical-support a{color:#075fff;font-weight:750}
.practical-grid{grid-template-columns:repeat(4,1fr)}
.practical-grid article{min-height:250px}
.practical-grid h3{font-size:21px}
.practical-grid #event-contact{font-size:16px}
.organizers a{text-decoration:none;color:inherit}
.lsi-brand{display:flex;align-items:center;gap:12px}
.lsi-brand b{font:500 28px Georgia,serif;letter-spacing:2px}
.lsi-brand small{max-width:190px;color:#61788e;font:700 10px/1.35 Inter,sans-serif;letter-spacing:0}
.organizer-esst{margin-left:auto}
.footer-organizers a{display:flex;align-items:center;text-decoration:none}
.footer-lsi{gap:11px;color:#fff}
.footer-lsi small{max-width:145px;color:#9eb8cf;font-size:9px;line-height:1.3}
.footer-tech{margin-top:13px!important;line-height:1.55}
.footer-tech a{display:inline!important;color:#fff!important;overflow-wrap:anywhere}

.progress-rail{right:22px;width:62px;padding:9px;border-radius:24px;gap:7px;overflow:hidden;background:linear-gradient(145deg,rgba(255,255,255,.97),rgba(218,231,241,.88) 48%,rgba(255,255,255,.96));border:1px solid rgba(123,154,181,.48);box-shadow:0 16px 45px rgba(11,45,75,.18),inset 1px 1px 0 #fff,inset -1px -1px 0 rgba(83,119,151,.14);opacity:.97;transition:width .32s cubic-bezier(.2,.75,.2,1),transform .25s,background .25s}
.progress-rail:hover,.progress-rail[data-open=true]{width:232px;background:linear-gradient(145deg,rgba(255,255,255,.99),rgba(224,236,245,.96) 52%,rgba(255,255,255,.98));transform:translateY(-50%) translateX(-3px)}
.progress-rail:before{display:none}
.progress-toggle{width:42px;height:42px;min-height:42px;flex:0 0 auto;align-self:flex-end;display:flex;align-items:center;justify-content:flex-end;gap:13px;padding:0 11px;border:1px solid rgba(117,151,180,.48);border-radius:15px;background:linear-gradient(145deg,#fff,#dce8f1);color:#173954;box-shadow:inset 1px 1px 0 #fff,0 5px 15px rgba(26,70,105,.1);overflow:hidden;cursor:pointer;transition:width .32s cubic-bezier(.2,.75,.2,1),background .2s}
.progress-rail:hover .progress-toggle,.progress-rail[data-open=true] .progress-toggle{width:212px;justify-content:space-between;padding-inline:15px;background:rgba(255,255,255,.78)}
.progress-toggle>span{white-space:nowrap;font-size:11px;font-weight:800;letter-spacing:.5px;opacity:0;transform:translateX(10px);transition:.2s}
.progress-rail:hover .progress-toggle>span,.progress-rail[data-open=true] .progress-toggle>span{opacity:1;transform:none}
.progress-toggle i{width:18px;display:grid;gap:3px;flex:0 0 auto}
.progress-toggle i b{display:block;height:2px;border-radius:2px;background:#2f5d7f;transition:.2s}
.progress-rail[data-open=true] .progress-toggle i b:nth-child(1){transform:translateY(5px) rotate(45deg)}
.progress-rail[data-open=true] .progress-toggle i b:nth-child(2){opacity:0}
.progress-rail[data-open=true] .progress-toggle i b:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.progress-links{display:grid;gap:4px;width:212px}
.progress-rail .progress-links a{position:relative;width:42px;height:39px;padding:0;border:0;border-radius:13px;display:flex;align-items:center;background:transparent;transition:width .32s cubic-bezier(.2,.75,.2,1),background .2s,box-shadow .2s}
.progress-rail:hover .progress-links a,.progress-rail[data-open=true] .progress-links a{width:212px;padding:0 43px 0 13px}
.progress-rail .progress-links a:before{position:absolute;content:"";right:14px;width:7px;height:7px;border:2px solid #fff;border-radius:50%;background:#92a9bc;box-shadow:0 0 0 1px #7894aa}
.progress-rail .progress-links a span{display:block;position:static;padding:0;background:transparent;color:#254861;font-size:11px;white-space:nowrap;opacity:0;transform:translateX(10px);pointer-events:none;transition:opacity .18s,transform .25s}
.progress-rail:hover .progress-links a span,.progress-rail[data-open=true] .progress-links a span{opacity:.7;transform:none}
.progress-rail .progress-links a span b{margin-right:9px;color:#1478d4;font-size:9px}
.progress-rail .progress-links a:hover{background:rgba(255,255,255,.75)}
.progress-rail .progress-links a[aria-current=true]{background:rgba(220,238,255,.82);box-shadow:inset 0 0 0 1px rgba(0,107,247,.12)}
.progress-rail .progress-links a[aria-current=true]:before{width:10px;height:10px;background:#087cf2;border-color:#fff;box-shadow:0 0 0 3px rgba(0,107,247,.15),0 0 13px rgba(0,107,247,.32)}
.progress-rail .progress-links a[aria-current=true] span{color:#082d55;opacity:1;font-weight:800}
.progress-toggle:focus-visible,.progress-links a:focus-visible{outline:3px solid #ffb423;outline-offset:2px}

@media(max-width:1280px){
 .brand-cluster{min-width:245px}
 .practical-grid{grid-template-columns:repeat(2,1fr)}
 .progress-rail,.progress-rail:hover,.progress-rail[data-open=true]{right:14px}
}
@media(max-width:1050px){
 .progress-rail{width:58px;padding:8px}
 .progress-rail:hover,.progress-rail[data-open=true]{width:224px}
 .progress-rail:hover .progress-toggle,.progress-rail[data-open=true] .progress-toggle,
 .progress-rail:hover .progress-links a,.progress-rail[data-open=true] .progress-links a{width:206px}
 .progress-links{width:206px}
}
@media(max-width:760px){
 .brand-cluster{min-width:0}
 .brand-cluster .lsi-mark span,.header-event{display:none}
 .progress-rail{display:flex;top:auto;right:12px;bottom:16px;transform:none;width:58px;max-height:calc(100svh - 24px);z-index:70}
 .progress-rail:hover{width:58px;transform:none}
 .progress-rail:not([data-open=true]) .progress-links{display:none}
 .progress-rail[data-open=true]{width:min(232px,calc(100vw - 24px));transform:none}
 .progress-rail:hover .progress-toggle,.progress-rail:hover .progress-links a{width:42px;padding:0}
 .progress-rail[data-open=true] .progress-toggle,
 .progress-rail[data-open=true] .progress-links a{width:212px}
 .progress-rail:hover .progress-toggle>span,.progress-rail:hover .progress-links a span{opacity:0;transform:translateX(10px)}
 .progress-rail[data-open=true] .progress-toggle>span,
 .progress-rail[data-open=true] .progress-links a span{opacity:1;transform:none}
 .practical-grid{grid-template-columns:1fr}
 .panel-next{display:flex}
}

@media(min-width:1101px){
 .wheel-panel .section-shell{transition:padding-right .32s cubic-bezier(.2,.75,.2,1)}
 body:has(.progress-rail:hover) .wheel-panel .section-shell,
 body:has(.progress-rail[data-open="true"]) .wheel-panel .section-shell{padding-right:245px}
}
/* Mobile: une identité institutionnelle claire, sans navigation flottante. */
@media(max-width:760px){
 .progress-rail{display:none!important}
 .site-header{height:70px;padding:0 16px;gap:12px}
 .brand-cluster{min-width:0;flex:1}
 .brand-cluster .lsi-mark span{display:block}
 .lsi-mark{gap:9px;min-width:0}
 .lsi-mark strong{font-size:24px}
 .lsi-mark span{font-size:9px;line-height:1.18}
 .header-event,.site-header nav,.header-end .button{display:none}
 .header-end{min-width:auto;margin-left:auto;gap:0}
 .header-end img{display:block;width:88px;height:36px}
}
/* CONTINUOUS JOURNEY REDESIGN — sections reliées, cartes fonctionnelles seulement */
html{scroll-snap-type:none}
body.public-site{background:#eaf3f9}
.scroll-stage{position:relative;overflow:clip;background:linear-gradient(180deg,rgba(238,247,252,.12),rgba(231,244,252,.46) 38%,rgba(244,250,253,.5) 74%,transparent)}
.scroll-stage:before{content:"";position:absolute;z-index:0;top:calc(100svh + 32px);bottom:0;left:max(30px,calc((100vw - 1280px)/2 - 26px));width:2px;background:linear-gradient(180deg,transparent,#0b80f1 4%,rgba(37,174,235,.45) 48%,rgba(126,222,36,.55) 82%,transparent);box-shadow:0 0 18px rgba(0,123,241,.32);pointer-events:none}
.wheel-panel{position:relative;z-index:1;min-height:auto;padding:138px 0 118px;display:block;perspective:none;scroll-snap-align:none}
.wheel-panel:not(.hero-panel){border-top:1px solid rgba(107,155,194,.2)}
.wheel-panel:not(.hero-panel):after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(circle at 17% 4%,rgba(0,132,246,.075),transparent 27%),radial-gradient(circle at 84% 88%,rgba(126,222,36,.055),transparent 24%)}
.panel-surface{display:block!important;width:100%!important;min-height:0!important;margin:0!important;border:0!important;border-radius:0!important;background:transparent!important;backdrop-filter:none!important;box-shadow:none!important;overflow:visible!important;transform:none!important;transform-origin:center!important;opacity:1!important;will-change:auto!important}
.panel-surface:before{display:none!important}
.section-shell{position:relative;z-index:1}
.wheel-panel:not(.hero-panel) .section-shell:before{content:"";position:absolute;left:-31px;top:4px;width:13px;height:13px;border-radius:50%;background:#f7fcff;border:3px solid #1687ef;box-shadow:0 0 0 7px rgba(0,119,239,.09),0 0 20px rgba(0,119,239,.35)}
#themes{background:linear-gradient(180deg,rgba(249,253,255,.74),rgba(235,247,253,.68))}
#programme{background:linear-gradient(180deg,rgba(224,241,251,.7),rgba(244,250,253,.83))}
#pratique{background:linear-gradient(180deg,rgba(246,251,253,.82),rgba(234,246,251,.72))}
.hero-panel{min-height:100svh;padding:110px 0 58px;display:flex;align-items:stretch}
.hero-panel .panel-surface{display:grid!important;align-items:center!important;background:linear-gradient(90deg,rgba(255,255,255,.8),rgba(245,252,255,.48) 55%,rgba(224,243,252,.22))!important}
.hero-grid{padding-block:82px 105px}
.hero-data{border-left:1px solid rgba(54,136,200,.25);padding-left:40px}
.lab-chip,.date-chip{padding:25px 0;border:0;border-bottom:1px solid rgba(68,137,190,.22);border-radius:0;background:transparent;box-shadow:none;backdrop-filter:none}
.date-chip strong{font-size:31px;line-height:1.05;letter-spacing:-.7px}
.hero-data>p{margin-top:22px}
.eyebrow{font-size:11px;letter-spacing:2.2px}
.section-heading{align-items:flex-start;margin-bottom:52px}
.section-heading>p{font-size:15px;line-height:1.75;color:#48637a}
.panel-next{display:none!important}
.site-header{width:min(1390px,calc(100% - 48px));height:78px;padding-inline:28px 24px}
.header-event{display:none!important}
.brand-cluster{min-width:250px}
.site-header nav{gap:7px}
.site-header nav a{font-size:13px;padding:11px 14px}
.header-end{min-width:235px}
.progress-rail{opacity:0!important;visibility:hidden;pointer-events:none;transform:translateY(-50%) translateX(18px)!important;transition:width .32s cubic-bezier(.2,.75,.2,1),transform .3s,background .25s,opacity .25s,visibility .25s}
.progress-rail.is-visible{opacity:.97!important;visibility:visible;pointer-events:auto;transform:translateY(-50%)!important}
.progress-rail.is-visible:hover,.progress-rail.is-visible[data-open=true]{transform:translateY(-50%) translateX(-3px)!important}
.theme-grid{position:relative;grid-template-columns:repeat(3,1fr);gap:0;margin-top:62px;border-block:1px solid rgba(72,139,190,.22)}
.theme-grid:before{content:"";position:absolute;z-index:0;left:8%;right:8%;top:119px;height:2px;background:linear-gradient(90deg,rgba(0,112,238,.16),#168af1 35%,#36b8d9 66%,rgba(107,202,16,.22));box-shadow:0 0 15px rgba(15,135,231,.2)}
.theme-card{position:relative;z-index:1;min-height:315px;padding:33px 38px 38px;border:0!important;border-right:1px solid rgba(72,139,190,.2)!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;backdrop-filter:none!important;overflow:visible;transition:background .25s,transform .25s}
.theme-card:last-child{border-right:0!important}
.theme-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.26)!important;box-shadow:none!important}
.theme-card>span{font-size:12px;letter-spacing:1.5px}
.theme-icon{z-index:1;width:104px;height:104px;margin:25px auto 0;border-radius:50%;border:1px solid rgba(255,255,255,.78);box-shadow:0 0 0 12px rgba(238,248,254,.9),0 14px 35px rgba(27,102,158,.12)}
.theme-card h3{margin:31px 0 12px;font-size:29px}
.theme-card p{font-size:14px;line-height:1.65}
.section-signature{margin-top:30px}
.program-shell{padding-block:0}
.program-console{grid-template-columns:245px minmax(0,1fr);border:1px solid rgba(65,129,180,.28);border-radius:28px;background:rgba(255,255,255,.56);box-shadow:0 28px 75px rgba(22,73,112,.1);overflow:hidden}
.program-aside{padding:29px 26px;border-right:1px solid rgba(65,129,180,.2);background:linear-gradient(180deg,rgba(235,247,254,.82),rgba(249,253,255,.45))}
.day-tabs button{min-height:58px;border-radius:15px;font-size:13px;cursor:pointer}
.program-date{margin-top:30px;padding-top:22px}
.program-date strong{font-size:20px;line-height:1.2}
.program-date span{display:block;margin-top:7px;font-size:10px;line-height:1.45;color:#60778b}
.program-list{position:relative;max-height:none!important;overflow:visible!important;padding:12px 34px 14px}
.program-row{grid-template-columns:118px 15px minmax(0,1fr);gap:18px;padding:18px 0;border-bottom:1px solid rgba(84,139,180,.18)}
.program-time{font-size:11px;padding-top:2px}
.program-dot{position:relative;width:12px;height:12px;margin-top:2px;z-index:1}
.program-dot:after{content:"";position:absolute;z-index:-1;top:11px;bottom:-31px;left:50%;width:1px;background:linear-gradient(#4fa4eb,rgba(92,155,203,.18));transform:translateX(-50%)}
.program-row:last-child .program-dot:after{display:none}
.program-row h3{font-size:14px;line-height:1.4}
.program-row p{font-size:11px;line-height:1.4}
.program-row.pause{opacity:.72;background:linear-gradient(90deg,transparent,rgba(218,236,247,.34),transparent)}
.practical-grid{grid-template-columns:repeat(2,1fr);gap:0;margin-top:58px;border-top:1px solid rgba(67,133,183,.24)}
.practical-grid article{position:relative;min-height:205px;padding:34px 42px 36px;border:0!important;border-right:1px solid rgba(67,133,183,.2)!important;border-bottom:1px solid rgba(67,133,183,.2)!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;backdrop-filter:none!important}
.practical-grid article:nth-child(even){border-right:0!important}
.practical-grid .card-number{font-size:25px;color:#7da7c7}
.practical-grid article>small{font-size:10px}
.practical-grid h3{margin:43px 0 12px;font-size:25px}
.practical-grid p{font-size:14px;line-height:1.7;max-width:520px}
.organizers{margin-top:38px;padding:24px 0;border:0;border-block:1px solid rgba(67,133,183,.24);border-radius:0;background:transparent}
.organizers>span{font-size:10px}
.register-panel{min-height:auto;padding:152px 0 105px;scroll-snap-align:none;background:linear-gradient(135deg,rgba(5,26,61,.985),rgba(7,75,145,.965))}
.register-panel:before{height:180px;top:-120px;box-shadow:0 22px 55px rgba(4,37,77,.16)}
.register-layout{grid-template-columns:minmax(370px,.82fr) minmax(560px,1.18fr);gap:92px}
.register-copy{padding-top:50px}
.steps li{position:relative;border-bottom:0}
.steps li:not(:last-child):after{content:"";position:absolute;left:20px;top:58px;bottom:-5px;width:1px;background:linear-gradient(#83d42a,rgba(131,212,42,.12))}
.registration-form{border-radius:27px;box-shadow:0 34px 90px rgba(0,13,39,.27)}
.site-footer{border-top:0}
@media(min-width:1060px){.site-header nav{position:absolute;left:50%;transform:translateX(-50%)}}
@media(max-width:1050px) and (min-width:761px){.theme-card{padding-inline:24px}.program-console{grid-template-columns:205px 1fr}.practical-grid article{padding-inline:30px}}
@media(max-width:760px){
 .site-header{padding-inline:17px 13px;gap:10px}
 .brand-cluster{min-width:0;flex:1 1 auto}
 .brand-cluster .lsi-mark{min-width:0}
 .header-end{min-width:0;flex:0 0 auto;margin-left:auto}
 .header-end img{display:block;width:78px;height:33px}
 .scroll-stage:before{top:760px;left:19px;bottom:0;width:1px}
 .wheel-panel{padding:94px 0 86px;border-top:1px solid rgba(75,142,191,.2)}
 .hero-panel{min-height:100svh;padding:88px 0 62px;border-top:0}
 .hero-panel .panel-surface{background:linear-gradient(180deg,rgba(255,255,255,.73),rgba(231,246,254,.39))!important}
 .hero-grid{padding-block:65px 48px}
 .wheel-panel:not(.hero-panel) .section-shell{padding-left:25px}
 .wheel-panel:not(.hero-panel) .section-shell:before{left:-13px;top:1px;width:10px;height:10px;border-width:2px;box-shadow:0 0 0 5px rgba(0,119,239,.08),0 0 13px rgba(0,119,239,.3)}
 .section-heading{display:block;margin-bottom:32px}
 .section-heading h2{font-size:44px;line-height:1.02}
 .section-heading>p{width:auto;margin-top:22px;font-size:14px;line-height:1.7}
 .eyebrow{font-size:10px;letter-spacing:1.8px}
 .hero-data{display:block;width:100%;margin-top:40px;padding:0;border-left:0;border-top:1px solid rgba(55,135,197,.23)}
 .hero-data .lab-chip,.hero-data>p{display:none}
 .date-chip{padding:21px 0 0;border-bottom:0}
 .date-chip strong{font-size:25px;letter-spacing:-.4px}
 .theme-grid{display:block;margin-top:33px;border:0}
 .theme-grid:before{left:14px;right:auto;top:0;bottom:0;width:1px;height:auto;background:linear-gradient(#188af0,#36b8d9 55%,#77c91d)}
 .theme-card{min-height:0;padding:25px 0 30px 43px;border:0!important;border-bottom:1px solid rgba(67,133,183,.2)!important}
 .theme-card:last-child{border-bottom:0!important}
 .theme-card:before{content:"";position:absolute;left:8px;top:34px;width:11px;height:11px;border-radius:50%;background:#fff;border:3px solid #1687ef;box-shadow:0 0 0 5px rgba(0,119,239,.08)}
 .theme-card:hover{transform:none}
 .theme-icon{width:76px;height:76px;margin:20px 0 0;box-shadow:0 0 0 8px rgba(238,248,254,.85),0 10px 25px rgba(27,102,158,.1)}
 .theme-card h3{margin:25px 0 9px;font-size:26px}
 .theme-card p{font-size:14px}
 .section-signature{margin:20px 0 0 43px;font-size:8px;line-height:1.7;text-align:left}
 .program-console{grid-template-columns:1fr;border-radius:21px;background:rgba(255,255,255,.64)}
 .program-aside{padding:19px 17px;border-right:0;border-bottom:1px solid rgba(65,129,180,.2)}
 .day-tabs{grid-template-columns:1fr 1fr;gap:8px}
 .day-tabs button{min-height:52px;padding:10px;font-size:12px}
 .program-date{display:grid;grid-template-columns:1fr auto;align-items:end;gap:3px 12px;margin-top:16px;padding-top:14px}
 .program-date small{grid-column:1/-1}
 .program-date strong{font-size:17px}
 .program-date span{max-width:125px;text-align:right;font-size:9px}
 .program-list{padding:5px 15px 8px}
 .program-row{grid-template-columns:82px 11px minmax(0,1fr);gap:10px;padding:16px 0}
 .program-time{font-size:9px;white-space:normal;line-height:1.35}
 .program-row h3{font-size:13px;line-height:1.4}
 .program-row p{font-size:10px}
 .program-dot{width:10px;height:10px;border-width:2px}
 .practical-grid{display:block;margin-top:32px;border-top:1px solid rgba(67,133,183,.24)}
 .practical-grid article{min-height:0;padding:27px 0 30px 38px;border:0!important;border-bottom:1px solid rgba(67,133,183,.2)!important}
 .practical-grid .card-number{position:absolute;left:0;top:28px;float:none;font-size:18px}
 .practical-grid article>small{font-size:9px}
 .practical-grid h3{margin:18px 0 9px;font-size:24px}
 .practical-grid p{font-size:14px;line-height:1.65}
 .organizers{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;padding-block:22px}
 .organizers>span{grid-column:1/-1}
 .organizers img{width:112px;margin:0}
 .register-panel{padding:118px 0 70px}
 .register-layout{grid-template-columns:1fr;gap:38px}
 .register-copy{padding:0}
 .register-copy h2{font-size:49px}
 .register-copy>p{font-size:14px;line-height:1.75;margin-top:20px}
 .steps{display:none}
 .registration-form{padding:25px 18px;border-radius:22px}
 input,select,textarea{font-size:16px}
 .progress-rail{display:none!important}
}

/* Mouvement Tech Lab : couches décoratives et apparitions légères. */
.site-header{transition:transform .35s cubic-bezier(.2,.75,.2,1),opacity .25s}
.site-header.is-hidden:not(:focus-within){transform:translate(-50%,-140%);opacity:0;pointer-events:none}
.header-end .esst-link{background:transparent;flex:none}
.header-end .esst-link img{background:transparent;padding:0;border-radius:0;filter:brightness(0) saturate(100%) invert(14%) sepia(38%) saturate(2141%) hue-rotate(180deg) brightness(93%);width:124px;height:43px}
.hero-grid{isolation:isolate}
.hero-copy,.hero-data{position:relative;z-index:2}
.hero-energy{position:absolute;inset:-50px -25px;z-index:0;overflow:hidden;pointer-events:none;mask-image:linear-gradient(90deg,transparent,rgba(0,0,0,.4) 28%,#000 64%)}
.energy-halo{position:absolute;width:520px;height:520px;right:0;top:0;border-radius:50%;background:radial-gradient(circle,rgba(20,186,245,.17),rgba(10,103,255,.07) 45%,transparent 70%);animation:energy-breathe 7s ease-in-out infinite alternate}
.energy-orbit{position:absolute;right:5%;top:10%;width:460px;height:460px;border:1px solid rgba(0,129,243,.19);border-radius:50%;animation:energy-orbit 27s linear infinite}
.energy-orbit:before{content:"";position:absolute;inset:-2px;border-radius:50%;border:2px solid transparent;border-top-color:rgba(0,135,255,.58);transform:rotate(35deg)}
.energy-orbit i{position:absolute;top:50%;left:-4px;width:8px;height:8px;border-radius:50%;background:#29bfff;box-shadow:0 0 16px #0798ff,0 0 30px rgba(0,140,255,.4)}
.orbit-two{width:570px;height:570px;right:0;top:2%;animation-duration:39s;animation-direction:reverse;opacity:.6}
.orbit-three{width:340px;height:340px;right:10%;top:20%;animation-duration:19s;opacity:.48}
.energy-grid{position:absolute;inset:0;background-image:radial-gradient(rgba(9,113,215,.25) 1px,transparent 1px);background-size:34px 34px;mask-image:radial-gradient(ellipse at 80% 50%,#000,transparent 64%);animation:energy-drift 12s ease-in-out infinite alternate}
.energy-spark{position:absolute;width:5px;height:5px;border-radius:50%;background:#078fff;box-shadow:0 0 14px #00c8ff;animation:energy-float 6s ease-in-out infinite alternate}
.spark-one{left:48%;top:20%}.spark-two{left:76%;top:14%;animation-delay:-2s}.spark-three{left:90%;top:70%;animation-delay:-4s}.spark-four{left:56%;top:83%;animation-delay:-1s}
.theme-grid:before{display:none}
.theme-card>span{display:block;line-height:18px}
.theme-card:not(:last-child):after{content:"";position:absolute;z-index:0;top:128px;left:calc(50% + 64px);width:calc(100% - 128px);height:2px;background:linear-gradient(90deg,#74bde9,#12aee9,#74bde9);background-size:200% 100%;animation:signal-flow 4s linear infinite}
.theme-icon{position:relative;background-color:#e8f6fc;animation:icon-breathe 4.8s ease-in-out infinite;transition:transform .3s}
.theme-card:nth-child(2) .theme-icon{animation-delay:-1.6s}.theme-card:nth-child(3) .theme-icon{animation-delay:-3.2s}
.theme-card:hover .theme-icon{transform:translateY(-5px) scale(1.04)}
.theme-icon:before,.theme-icon:after{pointer-events:none}
.animated-scene:not(.is-in-view) .hero-energy *, .animated-scene:not(.is-in-view) .theme-icon,.animated-scene:not(.is-in-view) .theme-card:after{animation-play-state:paused}
.reveal-item{opacity:0;translate:0 24px;transition:opacity .65s ease,translate .75s cubic-bezier(.2,.7,.2,1);transition-delay:0s}
.reveal-item.is-above{translate:0 -18px}
.reveal-item.is-revealed,.reveal-item:focus-within{opacity:1;translate:0 0;transition-delay:var(--reveal-delay,0ms)}
.registration-form.reveal-item{opacity:1;translate:0 0}
.program-unavailable{padding:28px 0}.program-unavailable p{max-width:480px}.program-retry{font-size:13px}
.progress-rail:hover,.progress-rail[data-open=true],.progress-rail:has(.progress-links a:focus-visible){background:linear-gradient(145deg,#123b61,#0b233d 70%,#174263);border-color:#547b9d;box-shadow:0 20px 50px rgba(6,29,53,.28),inset 0 1px 0 rgba(255,255,255,.23)}
.progress-rail:is(:hover,:has(.progress-links a:focus-visible),[data-open=true]) .progress-toggle{background:rgba(255,255,255,.08);color:#f4fbff;border-color:rgba(197,227,255,.25);box-shadow:inset 0 1px 0 rgba(255,255,255,.1)}
.progress-rail:is(:hover,:has(.progress-links a:focus-visible),[data-open=true]) .progress-toggle i b{background:#c2eaff}
.progress-rail:is(:hover,:has(.progress-links a:focus-visible),[data-open=true]) .progress-links a span{color:#e6f4ff;opacity:1;font-size:12px}
.progress-rail:is(:hover,:has(.progress-links a:focus-visible),[data-open=true]) .progress-links a span b{color:#69caff}
.progress-rail:is(:hover,:has(.progress-links a:focus-visible),[data-open=true]) .progress-links a:hover{background:rgba(126,196,249,.14)}
.progress-rail:is(:hover,:has(.progress-links a:focus-visible),[data-open=true]) .progress-links a[aria-current=true]{background:rgba(29,136,235,.26);box-shadow:inset 0 0 0 1px rgba(131,207,255,.28)}
.progress-rail:is(:hover,:has(.progress-links a:focus-visible),[data-open=true]) .progress-links a[aria-current=true] span{color:white}
.progress-rail:has(.progress-links a:focus-visible){width:232px}
.progress-rail:has(.progress-links a:focus-visible) .progress-toggle,.progress-rail:has(.progress-links a:focus-visible) .progress-links a{width:212px}
.progress-rail:has(.progress-links a:focus-visible) .progress-links a{padding:0 43px 0 13px}
.progress-rail:has(.progress-links a:focus-visible) .progress-toggle{justify-content:space-between}
.progress-rail:has(.progress-links a:focus-visible) .progress-toggle>span,.progress-rail:has(.progress-links a:focus-visible) .progress-links a span{opacity:1;transform:none}
.progress-rail:not(:hover):not([data-open=true]):not(:has(.progress-links a:focus-visible)) .progress-links a span{opacity:0}
@keyframes energy-orbit{to{transform:rotate(360deg)}}
@keyframes energy-breathe{to{transform:translate(-35px,20px) scale(1.15);opacity:.65}}
@keyframes energy-drift{to{transform:translate(12px,-18px);opacity:.5}}
@keyframes energy-float{to{transform:translate(16px,-24px);opacity:.25}}
@keyframes signal-flow{to{background-position:200% 0}}
@keyframes icon-breathe{50%{box-shadow:0 0 0 16px rgba(218,242,255,.58),0 0 26px rgba(0,135,242,.22)}}
@media(max-width:760px){
 .header-end .esst-link img{width:82px;height:34px}
 .hero-energy{inset:0 -12px;opacity:.6;mask-image:linear-gradient(180deg,#000,transparent)}
 .energy-orbit{width:320px;height:320px;right:-145px;top:25px}.orbit-two{width:400px;height:400px;right:-185px;top:-15px}.orbit-three,.energy-grid,.spark-three,.spark-four{display:none}
 .theme-grid:before{display:block;background:linear-gradient(#168af1,#36b8d9);opacity:.6}
 .theme-card:not(:last-child):after{display:none}
 .reveal-item{translate:0 16px}.reveal-item.is-above{translate:0 -12px}.reveal-item.is-revealed{translate:0 0}
}
@media(prefers-reduced-motion:reduce){
 .hero-energy *,.theme-icon,.theme-card:after{animation:none!important}
 .reveal-item,.reveal-item.is-above{opacity:1;translate:none;transition:none}
 .site-header{transition:none}
}