.scroll-to-top-btn{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;font-family:var(--font-sans);color:var(--text-muted);background:none;border:1px solid var(--border-default);border-radius:var(--radius-full);padding:7px 16px;cursor:pointer;transition:color .15s ease,border-color .15s ease}.scroll-to-top-btn:hover{color:var(--color-gold);border-color:color-mix(in srgb,var(--color-gold) 45%,var(--border-default))}