.not-found-page{background:linear-gradient(180deg, var(--primary-50) 0%, white 100%);justify-content:center;align-items:center;min-height:80vh;padding:4rem 0;display:flex}.not-found-content{text-align:center;max-width:700px;margin:0 auto}.not-found-badge{background:var(--accent);color:#fff;text-transform:uppercase;letter-spacing:.1em;border-radius:100px;margin-bottom:1.5rem;padding:.5rem 1rem;font-size:.75rem;font-weight:700;display:inline-block}.not-found-title{color:var(--neutral-900);margin-bottom:1.5rem;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.2}.not-found-title .accent-text{color:var(--primary-600)}.not-found-subtitle{color:var(--neutral-600);max-width:550px;margin-bottom:2.5rem;margin-left:auto;margin-right:auto;font-size:1.125rem;line-height:1.7}.not-found-subtitle em{color:var(--neutral-700);font-style:italic}.not-found-cta{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:3rem;display:flex}.not-found-cta .btn-lg{padding:1rem 2rem;font-size:1rem}.not-found-divider{align-items:center;gap:1rem;margin-bottom:2rem;display:flex}.not-found-divider:before,.not-found-divider:after{content:"";background:var(--neutral-200);flex:1;height:1px}.not-found-divider span{color:var(--neutral-500);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;font-size:.875rem}.popular-pages-grid{grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:3rem;display:grid}@media (max-width:600px){.popular-pages-grid{grid-template-columns:1fr}}.popular-page-card{border:1px solid var(--neutral-200);background:#fff;border-radius:12px;align-items:center;gap:.75rem;padding:1rem 1.25rem;text-decoration:none;transition:all .2s;display:flex}.popular-page-card:hover{border-color:var(--primary-300);background:var(--primary-50);transform:translate(4px)}.popular-page-icon{background:var(--primary-100);width:32px;height:32px;color:var(--primary-600);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.popular-page-title{color:var(--neutral-800);text-align:left;font-size:.9375rem;font-weight:600}.popular-page-card:hover .popular-page-title{color:var(--primary-700)}.not-found-footer{border-top:1px solid var(--neutral-200);padding-top:2rem}.not-found-footer p{color:var(--neutral-500);margin:0;font-size:.875rem}.not-found-footer a{color:var(--primary-600);text-decoration:underline;-webkit-text-decoration-color:var(--primary-300);text-decoration-color:var(--primary-300);text-underline-offset:2px}.not-found-footer a:hover{color:var(--primary-700);-webkit-text-decoration-color:var(--primary-600);text-decoration-color:var(--primary-600)}