@media (max-width: 768px){.main-header{position:fixed;padding:.3rem 0;background:var(--bg-body);box-shadow:0 1px #80808033}.header-content{flex-direction:row;flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:.5rem;padding:.5rem 0}.logo .phonetic{display:none}.header-name{font-size:1.4rem}.mobile-menu-btn{color:var(--text-main);font-size:1.7rem;line-height:1;padding:.4rem .6rem}.main-content{margin-top:64px;min-height:calc(100vh - 64px)}.main-nav{display:none;gap:0}.main-nav.active{display:flex}.main-nav .nav-link{padding:.9rem 1rem}.floating-btn{width:40px;height:40px;right:.8rem;font-size:1.1rem}.theme-btn{bottom:.8rem}.top-btn{bottom:3.6rem}#accueil.page{padding-top:1rem}}.main-header .header-content{position:relative;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:space-between}.menu-btn.mobile-menu-btn{display:inline-flex;align-items:center;gap:.6rem;padding:.5rem .9rem .5rem 1.1rem;font-family:Montserrat,sans-serif;font-size:.85rem;font-weight:600;line-height:1;color:var(--text-main);background:transparent;border:1px solid rgba(128,128,128,.35);border-radius:999px;cursor:pointer;transition:border-color .2s,background .2s}.menu-btn.mobile-menu-btn:hover,.menu-btn.mobile-menu-btn[aria-expanded=true]{border-color:var(--accent)}.menu-btn-icon{position:relative;display:inline-block;width:16px;height:10px}.menu-btn-icon i{position:absolute;left:0;width:100%;height:2px;background:currentColor;border-radius:2px;transition:transform .3s ease,top .3s ease}.menu-btn-icon i:first-child{top:0}.menu-btn-icon i:last-child{top:8px}.menu-btn[aria-expanded=true] .menu-btn-icon i:first-child{top:4px;transform:rotate(45deg)}.menu-btn[aria-expanded=true] .menu-btn-icon i:last-child{top:4px;transform:rotate(-45deg)}.main-header .main-nav{position:absolute;top:calc(100% + .6rem);right:0;left:auto;z-index:1001;display:none;flex-direction:column;gap:.1rem;width:auto;min-width:220px;padding:.5rem;background:var(--bg-card);border:1px solid rgba(128,128,128,.2);border-radius:16px;box-shadow:0 18px 44px #0000001f}.main-header .main-nav.active{display:flex;animation:menu-in .25s cubic-bezier(.16,1,.3,1)}@keyframes menu-in{0%{opacity:0;transform:translateY(-6px)}}.main-header .main-nav .nav-link{display:block;padding:.7rem 1rem;font-size:.95rem;border-radius:10px;transform:none}.main-header .main-nav .nav-link:hover{background:#8080801a;transform:none}.main-header .main-nav .nav-link.active{color:var(--accent);background:#a0404014}.main-header .main-nav .nav-link.active:after{display:none}@media (prefers-reduced-motion: reduce){.main-header .main-nav.active{animation:none}}.header-actions{display:flex;align-items:stretch;gap:.5rem}.lang-switch{display:inline-flex;align-items:center;justify-content:center;min-width:2.4rem;padding:.5rem .6rem;border:1px solid rgba(128,128,128,.35);border-radius:999px;font-family:JetBrains Mono,monospace;font-size:.75rem;font-weight:500;letter-spacing:.06em;line-height:1;color:var(--text-main);text-decoration:none;transition:border-color .2s,color .2s}.lang-switch:hover,.lang-switch:focus-visible{border-color:var(--accent);color:var(--accent)}