*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#0A0B0F;color:#EBEBF2;font-family:'Archivo',sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:#8B5CF6;color:#fff}
a{color:inherit;text-decoration:none}
button{font-family:'Archivo',sans-serif}
.disp{font-family:'Space Grotesk',sans-serif}
.mono{font-family:'JetBrains Mono',monospace}

.lang-btn{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:9px;color:#aeb0bd;padding:7px 12px;cursor:pointer;transition:background .18s,border-color .18s}
.lang-btn:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.2)}
.lang-chevron{transition:transform .22s cubic-bezier(.22,.61,.36,1)}
.lang-options{position:absolute;top:calc(100% + 10px);right:0;background:#111320;border:1px solid rgba(255,255,255,.11);border-radius:14px;padding:6px;min-width:168px;opacity:0;transform:translateY(-8px) scale(.97);pointer-events:none;transition:opacity .18s,transform .18s;box-shadow:0 20px 60px rgba(0,0,0,.55);z-index:60}
.lang-options.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.lang-opt{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px;border-radius:9px;background:transparent;border:none;color:#EBEBF2;cursor:pointer;transition:background .15s;text-align:left;font-family:'Archivo',sans-serif}
.lang-opt:hover{background:rgba(255,255,255,.06)}
.lang-opt.active{background:rgba(139,92,246,.14);color:#A78BFA}