.container {
            max-width: 1500px;
            margin:0 auto;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            padding: 40px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .error-code {
            font-size: 180px;
            font-weight: 900;
            color: #ff6b6b;
            line-height: 1;
            text-shadow: 5px 5px 0 rgba(255, 107, 107, 0.2);
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
        
        .error-code::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 20px;
            background: rgba(255, 107, 107, 0.1);
            bottom: 10px;
            left: 0;
            z-index: -1;
            border-radius: 50%;
        }
        
        h1 {
            font-size: 2.5rem;
            color: #444;
            margin-bottom: 15px;
        }
        
        .message {
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            font-family: series;
        }
        
        .search-box {
            max-width: 500px;
            margin: 0 auto 40px;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        
        .search-button {
            background: #6e8efb;
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .search-button:hover {
            background: #5a7dfa;
        }
        
        .navigation {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 40px;
        }
        
        .nav-button {
            padding: 15px 30px;
            background: #417e55;
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(110, 142, 251, 0.3);
        }
        
        .nav-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(110, 142, 251, 0.4);
            background: #417e55;
        }
        
        .nav-button.home {
            background: #dc730f;
            box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
        }
        
        .nav-button.home:hover {
            background: #dc730f;
            box-shadow: 0 8px 20px rgba(255, 107, 107, 0.4);
        }
        
        .nav-button.contact {
            background: #00121c;
            box-shadow: 0 5px 15px rgba(167, 119, 227, 0.3);
        }
        
        .nav-button.contact:hover {
            background: #00121c;
            box-shadow: 0 8px 20px rgba(167, 119, 227, 0.4);
        }
        
        .fun-element {
            margin-top: 30px;
            padding: 20px;
            border-top: 1px dashed #ddd;
        }
        
        .fun-element p {
            font-size: 1rem;
            color: #777;
            margin-bottom: 15px;
        }
        
        .suggestions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 15px;
        }
        
        .suggestion {
            background: #f0f5ff;
            padding: 8px 15px;
            border-radius: 20px;
            color: #5a7dfa;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .suggestion:hover {
            background: #e1e9ff;
            transform: translateY(-2px);
        }
        
        .animation-area {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }
        
        .bubble {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            animation: float 15s infinite linear;
        }
        
        @keyframes float {
            0% {
                transform: translateY(0) rotate(0deg);
                opacity: 1;
            }
            100% {
                transform: translateY(-1000px) rotate(720deg);
                opacity: 0;
            }
        }
        
        .error-icon {
            font-size: 4rem;
            color: #ff6b6b;
            margin-bottom: 20px;
            animation: bounce 2s infinite;
        }
        
        @keyframes bounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-15px);
            }
        }
        
        .footer {
            margin-top: 30px;
            color: white;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 30px 20px;
            }
            
            .error-code {
                font-size: 120px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .message {
                font-size: 1rem;
            }
            
            .navigation {
                flex-direction: column;
                align-items: center;
            }
            
            .nav-button {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
        }
        
        @media (max-width: 480px) {
            .error-code {
                font-size: 90px;
            }
            
            h1 {
                font-size: 1.7rem;
            }
            
            .search-box {
                flex-direction: column;
                border-radius: 15px;
            }
            
            .search-input, .search-button {
                width: 100%;
                border-radius: 0;
            }
            
            .search-input {
                border-bottom: 1px solid #eee;
            }
        }