.hu-not-found{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,var(--hu-category-ai-soft) 0%,var(--hu-category-design-soft) 50%,var(--hu-category-conversion-soft) 100%)}.hu-not-found__content{text-align:center;max-width:600px}.hu-not-found__code{font-size:clamp(6rem,15vw,10rem);font-weight:900;line-height:1;margin-bottom:1rem;background:linear-gradient(135deg,var(--hu-category-ai),var(--hu-category-conversion),var(--hu-category-design));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradient-shift 3s ease infinite;background-size:200% 200%}@keyframes gradient-shift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.hu-not-found__title{font-size:clamp(1.5rem,4vw,2.5rem);margin-bottom:1rem;font-weight:700;color:var(--hu-color-text)}.hu-not-found__description{font-size:clamp(1rem,2.5vw,1.125rem);margin-bottom:2rem;color:var(--hu-color-muted);line-height:1.6}.hu-not-found__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:3rem}.hu-not-found__suggestions{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--hu-color-border)}.hu-not-found__suggestions-title{font-size:1.125rem;margin-bottom:1rem;color:var(--hu-color-text);font-weight:600}.hu-not-found__links{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.hu-tool-link{padding:.625rem 1.125rem;background:var(--hu-color-surface);border-radius:var(--hu-radius-md);text-decoration:none;color:var(--hu-color-text);font-size:.875rem;font-weight:500;transition:all var(--hu-transition);border:1px solid var(--hu-color-border);box-shadow:var(--hu-shadow-card)}.hu-tool-link:hover{transform:translateY(-2px);box-shadow:var(--hu-shadow-card-hover);border-color:var(--hu-color-accent)}.hu-tool-link[data-category=finance]:hover{border-color:var(--hu-category-finance);background:var(--hu-category-finance-soft);color:var(--hu-category-finance)}.hu-tool-link[data-category=conversion]:hover{border-color:var(--hu-category-conversion);background:var(--hu-category-conversion-soft);color:var(--hu-category-conversion)}.hu-tool-link[data-category=ai]:hover{border-color:var(--hu-category-ai);background:var(--hu-category-ai-soft);color:var(--hu-category-ai)}.hu-tool-link[data-category=security]:hover{border-color:var(--hu-category-security);background:var(--hu-category-security-soft);color:var(--hu-category-security)}@media (max-width: 640px){.hu-not-found__actions{flex-direction:column}.hu-not-found__actions .hu-button{width:100%}}