*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Noto Sans Bengali',sans-serif;background-color:#020617;color:#e2e8f0;line-height:1.8;min-height:100vh;display:flex;flex-direction:column}.gradient-text{background:linear-gradient(135deg,#06b6d4 0%,#8b5cf6 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.error-section{flex:1;display:flex;align-items:center;justify-content:center;padding:80px 0;position:relative;overflow:hidden}.error-section::before{content:'404';position:absolute;font-size:25rem;font-weight:700;color:rgba(6,182,212,0.05);z-index:0;animation:float 6s ease-in-out infinite}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}.error-content{position:relative;z-index:1;text-align:center;max-width:700px}.error-icon{font-size:8rem;background:linear-gradient(135deg,#06b6d4 0%,#8b5cf6 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:2rem;animation:bounce 2s infinite}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}.error-content h1{font-size:3rem;font-weight:700;color:#e2e8f0;margin-bottom:1rem}.error-content .error-code{font-size:8rem;background:linear-gradient(135deg,#06b6d4 0%,#8b5cf6 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:600;margin-bottom:1.5rem}.error-content p{font-size:1.2rem;color:var(--generated-muted);margin-bottom:2rem}.btn-home{background:linear-gradient(135deg,#06b6d4 0%,#8b5cf6 100%);color:var(--text-light);padding:15px 40px;font-size:1.1rem;font-weight:600;border-radius:50px;border:none;transition:all 0.3s;text-decoration:none;display:inline-block;margin:0.5rem;box-shadow:0 5px 20px rgba(139,92,246,0.3)}.btn-home:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(139,92,246,0.5);color:var(--text-light)}.quick-links{margin-top:3rem;padding:2rem;background:rgba(15,23,42,0.6);border-radius:20px}.quick-links h3{color:#06b6d4;margin-bottom:1.5rem;font-size:1.3rem}.quick-links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.quick-link-item{background:rgba(6,182,212,0.1);padding:1rem;border-radius:10px;text-align:center;transition:all 0.3s;border:1px solid rgba(139,92,246,0.2)}.quick-link-item:hover{background:rgba(6,182,212,0.15);border-color:#06b6d4;transform:translateY(-3px)}.quick-link-item a{color:var(--generated-muted);text-decoration:none;display:flex;align-items:center;justify-content:center;gap:0.5rem}.quick-link-item a:hover{color:#06b6d4}.quick-link-item i{font-size:1.2rem}@media (max-width:768px){.error-section::before{font-size:15rem}.error-content h1{font-size:2rem}.error-icon{font-size:5rem}}