.side-by-side{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.font-tibetan-body{font-family:Noto Sans Tibetan,serif;font-size:1.25rem;line-height:2.5rem}.lang-button.active{background-color:#c09a59;color:#fff;font-weight:700}.back-to-top-button{position:fixed;bottom:2rem;right:2rem;background-color:#c09a59cc;color:#fff;border:none;border-radius:50%;width:50px;height:50px;font-size:24px;cursor:pointer;z-index:1000;display:flex;align-items:center;justify-content:center;transition:opacity .3s,transform .3s;opacity:0;transform:translateY(20px);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.back-to-top-button.visible{opacity:1;transform:translateY(0)}