:root{--heading-font:"Poppins",sans-serif;--body-font:"Source Sans 3",sans-serif;--ardoise-deep:#0f1117;--ardoise-mid:#1a1f2e;--ardoise-soft:#1e1a14;--or-chaud:#c8a96e;--or-pale:#e2cfa0;--sable:#f0e8d8;--sauge:#141a13;--blanc:#ffffff;--texte-clair:rgba(255, 255, 255, 0.94);--texte-moyen:rgba(255, 255, 255, 0.82);--texte-doux:rgba(255, 255, 255, 0.52);--or-accent:#c8a96e;--or-glow:rgba(200, 169, 110, 0.30);--glass-bg:rgba(255, 255, 255, 0.05);--glass-border:rgba(200, 169, 110, 0.14);--glass-hover:rgba(255, 255, 255, 0.09);--standard-font-size:1.05rem}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--body-font);font-size:18px;line-height:1.65;scroll-behavior:smooth}body{background:#0f1117;color:var(--texte-clair);overflow-x:clip;min-height:100vh;position:relative;color-scheme:dark}a{color:var(--or-chaud);text-decoration:none;transition:color .3s ease}a:hover{color:var(--or-pale)}p{color:var(--texte-moyen);font-size:var(--standard-font-size);line-height:1.7;margin-bottom:1rem}ul{list-style-type:square;padding-left:24px;color:var(--texte-moyen);font-size:var(--standard-font-size)}li{margin-bottom:8px;padding-left:6px;color:var(--texte-moyen)}strong{color:var(--texte-clair);font-weight:600}h1,h2,h3,h4,h5,h6{font-family:var(--heading-font);color:var(--texte-clair);line-height:1.3}h2{font-size:1.75rem;font-weight:400;letter-spacing:.02em;margin-bottom:1.2rem}h3{font-size:1.2rem;font-weight:500;margin-bottom:.5rem}h4{font-size:1.05rem;font-weight:600;color:var(--or-chaud);border-bottom:1px solid 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var(--or-glow);transform:scale(1.08)}.burger-lines{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:6px}.burger-lines span{display:block;width:22px;height:2px;background:var(--or-chaud);border-radius:2px;transition:all .3s cubic-bezier(.25, .8, .25, 1)}.sem-nav.open .burger-lines span:first-child{transform:rotate(45deg) translate(5px,5px)}.sem-nav.open .burger-lines span:nth-child(2){opacity:0;transform:scaleX(0)}.sem-nav.open .burger-lines span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.sem-menu{position:fixed;top:0;right:-340px;width:320px;height:100vh;background:rgba(8,10,16,.98);backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);padding:72px 28px 36px;border-left:1px solid rgba(201,169,110,.2);z-index:999;transition:right .45s cubic-bezier(.25, .8, .25, 1);box-shadow:-8px 0 30px rgba(0,0,0,.4)}.sem-menu.open{right:0}.sem-menu ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.sem-menu ul li a{display:block;color:var(--texte-clair);font-family:var(--body-font);font-size:1rem;font-weight:400;padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.06);border-radius:8px;transition:all .3s ease;position:relative;overflow:hidden}.sem-menu ul li a:hover{color:var(--or-chaud);background:rgba(201,169,110,.07);padding-left:22px}.sem-menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:998;opacity:0;visibility:hidden;transition:all .3s ease}.sem-menu-overlay.open{opacity:1;visibility:visible}.sem-lang{margin-top:36px;padding-top:24px;border-top:1px solid rgba(201,169,110,.15)}.sem-lang-title{font-size:.72rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--texte-doux);margin-bottom:14px;text-align:center}.sem-lang-links{display:flex;gap:10px;justify-content:center}.sem-lang-links a{color:var(--texte-moyen);font-size:.85rem;font-weight:500;padding:8px 16px;border:1px solid rgba(201,169,110,.2);border-radius:20px;transition:all .3s ease;text-align:center}.sem-lang-links a.active,.sem-lang-links a:hover{background:var(--or-chaud);border-color:var(--or-chaud);color:var(--ardoise-deep)}@media (min-width:1400px){html{font-size:19px}section{padding:70px 50px}.tab-content{padding:56px 52px}.banner-content{max-width:920px}.video-container{max-width:820px}}@media (max-width:480px){.sem-nav{top:14px;right:14px;width:48px;height:48px}.sem-menu{width:100%;right:-100%}}.header-seminaire{position:relative;min-height:70vh;display:flex;align-items:center;justify-content:center;overflow:visible;background:0 0}.header-seminaire::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:120px;background:linear-gradient(to bottom,transparent 0,rgba(8,10,16,.45) 100%);pointer-events:none;z-index:1}.banner-content{position:relative;z-index:3;text-align:center;max-width:820px;padding:2rem 2.5rem;background:rgba(10,12,20,.4);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(200,169,110,.22);border-radius:16px;margin:0 1.5rem}.banner-content h1{font-family:var(--heading-font);font-weight:600;font-size:clamp(1.6rem, 4.5vw, 2.6rem);color:var(--blanc);text-shadow:0 2px 20px rgba(0,0,0,.4);margin-bottom:.8rem;line-height:1.25}.banner-content p{font-size:clamp(.95rem, 2.5vw, 1.2rem);color:rgba(255,255,255,.88);text-shadow:0 1px 8px rgba(0,0,0,.3);margin:0}#wave-text span{display:inline-block;opacity:0;transform:translateY(6px);animation:letterFadeIn .8s ease-out forwards;animation-delay:calc(.08s * var(--i))}@keyframes letterFadeIn{to{opacity:1;transform:translateY(0)}}section{max-width:1400px;margin:0 auto;padding:50px 40px;background:0 0;position:relative}section h2{text-align:center;margin-bottom:1.5rem;background:linear-gradient(135deg,var(--or-pale) 0,var(--or-chaud) 60%,var(--sable) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}section h2 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solid rgba(201,169,110,.25);border-radius:25px;padding:10px 24px;font-size:.9rem;font-family:var(--heading-font);font-weight:500;cursor:pointer;color:var(--texte-moyen);transition:all .3s ease;white-space:nowrap}.tab-buttons button:hover{color:var(--or-chaud);border-color:var(--or-chaud);background:rgba(201,169,110,.07)}.tab-buttons button.active{background:linear-gradient(135deg,var(--or-chaud),#a07840);border-color:transparent;color:var(--ardoise-deep);font-weight:600;box-shadow:0 4px 14px rgba(201,169,110,.3)}.tab-content{display:block;visibility:hidden;height:0;overflow:hidden;padding:0;border:none;background:var(--glass-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);max-width:1400px;margin:0 auto;border-radius:0 0 16px 16px;transition:none}.tab-content.active{visibility:visible;height:auto;overflow:visible;padding:48px 40px;border:1px solid var(--glass-border);border-top:none}.tab-content h2{text-align:center;margin-bottom:1.5rem}.sub-summary{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:0;margin-bottom:24px;background:rgba(201,169,110,.06);border:1px solid rgba(201,169,110,.15);padding:10px 0;border-radius:8px}.sub-summary .col{display:flex;justify-content:center;align-items:center;padding:6px 18px;border-right:1px solid rgba(201,169,110,.15);flex-shrink:0}.sub-summary .col:last-child{border-right:none}@media (max-width:600px){.sub-summary{display:grid;grid-template-columns:1fr 1fr;padding:8px;gap:2px}.sub-summary .col{border-right:none;border-bottom:1px solid rgba(201,169,110,.1);padding:8px 10px;justify-content:center}.sub-summary .col:nth-last-child(-n+2){border-bottom:none}}@media (max-width:360px){.sub-summary{grid-template-columns:1fr}.sub-summary .col{border-bottom:1px solid rgba(201,169,110,.1)}.sub-summary .col:last-child{border-bottom:none}}.sub-summary a{color:var(--texte-moyen);font-weight:500;font-size:.88rem;text-decoration:none;white-space:nowrap;transition:color .25s ease;text-align:center}.sub-summary a:hover{color:var(--or-chaud)}section.section-gestion{background:var(--glass-bg);border:1px solid var(--glass-border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:16px;max-width:1400px;margin:40px auto;padding:50px 40px}#back-to-top{position:fixed;bottom:24px;right:84px;width:42px;height:42px;background:rgba(10,12,20,.9);border:1px solid rgba(200,169,110,.3);border-radius:50%;color:var(--or-chaud);font-size:1.1rem;cursor:pointer;display:none;align-items:center;justify-content:center;z-index:900;transition:all .3s ease;backdrop-filter:blur(10px)}#back-to-top:hover{background:var(--or-chaud);color:var(--ardoise-deep);transform:translateY(-2px);box-shadow:0 6px 16px var(--or-glow)}@media (min-width:768px) and (max-width:1024px){html{font-size:17px}section{padding:44px 28px}.tab-container{padding:0 24px}.tab-content{padding:38px 28px}.left-img,.right-img{width:36%}.sub-summary{font-size:.85rem}.banner-content{max-width:680px}}@media (max-width:768px){html{font-size:16px}section{padding:36px 20px}.tab-container{padding:0 16px}.tab-content{padding:32px 20px}.tab-buttons{gap:6px;padding:10px 14px 10px 14px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;-webkit-mask-image:linear-gradient(to right,black 80%,transparent 100%);mask-image:linear-gradient(to right,black 80%,transparent 100%)}.tab-buttons::-webkit-scrollbar{display:none}.tab-buttons button{padding:8px 16px;font-size:.82rem;flex-shrink:0}.left-img,.right-img{width:40%;margin:4px 0 12px 14px}section.section-gestion{margin:20px 16px;padding:32px 20px}}@media (max-width:480px){.banner-content{padding:1.5rem 1rem;margin:0 1rem}.left-img,.right-img{float:none;width:100%;margin:0 0 16px 0}.tab-buttons{flex-direction:column;align-items:stretch}.tab-buttons button{text-align:center}}