.btn-glow{position:relative}.btn-glow::before{content:"";position:absolute;inset:-2px;background:linear-gradient(45deg,#8a6e20,#d4af37,#f3e5ab,#d4af37);border-radius:inherit;z-index:-1;opacity:0;transition:opacity .3s ease;filter:blur(8px)}.btn-glow:hover::before{opacity:.8}