html{scroll-behavior:smooth}.btn-ghost{border-radius:2rem;padding:.55rem 1.5rem;font-weight:700;transition:transform .22s,background .18s}.btn-ghost:hover,.btn-ghost:focus{transform:translateY(-2px)}.card{border-radius:1.2rem;transition:transform .25s,box-shadow .25s}.card:hover{transform:translateY(-4px)}.error-code{font-size:clamp(5rem,18vw,10rem);font-weight:900;line-height:1;letter-spacing:-.04em}.back-top{position:fixed;bottom:1.8rem;right:1.8rem;z-index:999;border-radius:50%;width:3rem;height:3rem;display:flex;align-items:center;justify-content:center;font-size:1.3rem;box-shadow:0 4px 16px rgba(200,20,68,.4)}