.bmse-header{position:fixed;top:0;left:0;right:0;background:transparent;z-index:1000;padding:1rem 0}.bmse-header-container{max-width:1400px;margin:0 auto;padding:0 2rem;display:flex;justify-content:flex-start;align-items:center}.bmse-header-left{display:flex;gap:.75rem;align-items:center}.bmse-hamburger{display:flex;flex-direction:column;gap:5px;justify-content:center;background:rgba(255,255,255,.8);border:none;cursor:pointer;padding:10px 12px;border-radius:6px;z-index:1001;transition:all .3s ease;min-height:44px}.bmse-hamburger:hover{background:rgba(255,255,255,.95);box-shadow:0 2px 10px rgba(0,0,0,.1)}.bmse-hamburger span{width:22px;height:2px;background-color:var(--bmse-bleu-nuit);transition:all .3s ease}.bmse-hamburger:hover span{background-color:var(--bmse-bleu-petrole)}.bmse-home-button{display:flex;align-items:center;gap:.5rem;padding:.65rem 1rem;background:rgba(255,255,255,.8);color:var(--bmse-bleu-nuit);text-decoration:none;border-radius:6px;font-weight:600;font-size:.95rem;transition:all .3s ease;z-index:1001;min-height:44px}.bmse-home-button:hover{background:rgba(255,255,255,.95);color:var(--bmse-bleu-petrole);box-shadow:0 2px 10px rgba(0,0,0,.1)}.bmse-home-button svg{stroke:currentColor}.bmse-menu-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:998}.bmse-menu{position:fixed;top:0;left:-400px;width:400px;max-width:90vw;height:100vh;background:white;box-shadow:2px 0 20px rgba(0,0,0,.1);transition:left .3s ease;z-index:999;overflow-y:auto;padding:2rem 0}.bmse-menu-open{left:0}.bmse-menu-header{display:flex;justify-content:flex-start;padding:0 2rem 1rem;border-bottom:1px solid rgba(45,95,111,.1);margin-bottom:1rem}.bmse-menu-close{background:none;border:none;font-size:2.5rem;color:var(--bmse-bleu-nuit);cursor:pointer;line-height:1;padding:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center}.bmse-menu-close:hover{color:var(--bmse-bleu-petrole)}.bmse-menu-list{list-style:none;padding:0;margin:0}.bmse-menu-list li{margin:0}.bmse-menu-list li a{display:block;padding:.9rem 2rem;color:var(--bmse-bleu-nuit);text-decoration:none;transition:background .2s ease,color .2s ease;font-size:1rem}.bmse-menu-list li a:hover{background:var(--bmse-gris-clair);color:var(--bmse-bleu-petrole)}.bmse-menu-section{font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:var(--bmse-bleu-petrole);padding:1.5rem 2rem .5rem;margin-top:1rem}.bmse-menu-subsection a{padding-left:3rem;font-size:.95rem;color:var(--bmse-gris-texte)}.bmse-menu-subsection a:hover{color:var(--bmse-bleu-nuit)}@media (max-width:768px){.bmse-header-container{padding:0 1.5rem}.bmse-menu{width:320px}}body:has(.bmse-menu-open){overflow:hidden}