    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    :root {
        --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        --gradient-alt: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
        --gradient-button: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        --text-dark: #2d3748;
        --text-light: #718096;
        --bg-light: #f7fafc;
        --primary-color: #667eea;
        --secondary-color: #764ba2;
    }

    body {
        background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        min-height: 100vh;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        position: relative;
        overflow-x: hidden;
    }

    /* Animated Background Elements */
    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background:
            radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
            radial-gradient(circle at 80% 80%, rgba(245, 87, 108, 0.1) 0%, transparent 50%);
        pointer-events: none;
        z-index: 0;
    }

    .container {
        position: relative;
        padding-top: 0px;
        z-index: 1;
    }

    .logo {
        cursor: pointer;
        transition: transform 0.3s ease;
        padding: 20px 20px 20px 40px;
    }

    .logo:hover {
        transform: scale(1.05);
    }

    .logo img {
        max-width: 80px;
        height: auto;
    }

    .error-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 0px 20px 40px;
        max-width: 900px;
        margin: 0 auto;
        text-align: center;
        position: relative;
    }

    /* Animated 404 Elements */
    .animated-404 {
        position: relative;
        margin-bottom: 30px;
        height: 200px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .error-code {
        font-size: 140px;
        font-weight: 900;
        background: var(--gradient);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        margin: 0;
        line-height: 1;
        letter-spacing: 3px;
        animation: bounce 3s ease-in-out infinite;
        position: relative;
        z-index: 2;
    }

    /* Floating elements around 404 */
    .floating-element {
        position: absolute;
        font-size: 80px;
        opacity: 0.15;
        animation: float 6s ease-in-out infinite;
    }

    .element-1 {
        left: 10%;
        animation-delay: 0s;
    }

    .element-2 {
        right: 10%;
        animation-delay: 2s;
    }

    @keyframes bounce {

        0%,
        100% {
            transform: translateY(0);
        }

        50% {
            transform: translateY(-20px);
        }
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0px);
        }

        50% {
            transform: translateY(-30px);
        }
    }

    .error-title {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 16px;
        background: var(--gradient);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        letter-spacing: 0.5px;
    }

    .error-message {
        font-size: 18px;
        color: var(--text-light);
        max-width: 600px;
        margin-bottom: 48px;
        line-height: 1.6;
        font-weight: 500;
    }

    .error-buttons {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        margin-top: 32px;
    }

    .error-btn {
        padding: 14px 40px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        text-decoration: none;
        border: none;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        position: relative;
        overflow: hidden;
    }

    .error-btn::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.3);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
    }

    .error-btn:hover::before {
        width: 300px;
        height: 300px;
    }

    .primary-btn {
        background: var(--gradient);
        color: white;
    }

    .primary-btn:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 25px rgba(102, 126, 234, 0.4);
    }

    .secondary-btn {
        background-color: white;
        color: var(--primary-color);
        border: 2px solid var(--primary-color);
        font-weight: 700;
    }

    .secondary-btn:hover {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
        transform: translateY(-4px);
        box-shadow: 0 12px 25px rgba(102, 126, 234, 0.2);
    }

    .suggestions {
        /* margin-top: 60px; */
        width: 100%;
        max-width: 700px;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 16px;
        box-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
        padding: 32px 24px;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.6);
        animation: slideInUp 0.6s ease-out;
    }

    @keyframes slideInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .suggestions h3 {
        font-size: 22px;
        background: var(--gradient);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        margin-bottom: 24px;
        text-align: left;
        font-weight: 800;
    }

    .suggestion-links {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: flex-start;
    }

    .suggestion-link {
        padding: 12px 24px;
        background-color: var(--bg-light);
        border-radius: 30px;
        color: var(--primary-color);
        text-decoration: none;
        font-weight: 600;
        transition: all 0.3s ease;
        font-size: 15px;
        border: 2px solid transparent;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .suggestion-link:hover {
        background: var(--gradient);
        color: white;
        transform: translateY(-3px);
        box-shadow: 0 6px 16px rgba(102, 126, 234, 0.3);
        border-color: transparent;
    }

    .suggestion-link i {
        font-size: 14px;
    }

    .status-icon {
        width: 120px;
        height: 120px;
        margin-bottom: 20px;
        animation: pulse 2s ease-in-out infinite;
    }

    @keyframes pulse {

        0%,
        100% {
            transform: scale(1);
        }

        50% {
            transform: scale(1.1);
        }
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
        .error-code {
            font-size: 120px;
        }

        .error-container {
            padding: 0px 20px 40px;
        }
    }

    @media (max-width: 768px) {
        .error-code {
            font-size: 80px;
            letter-spacing: 2px;
        }

        .error-title {
            font-size: 26px;
        }

        .error-message {
            font-size: 16px;
        }

        .error-container {
            padding: 0px 20px 40px;
        }

        .animated-404 {
            height: 140px;
        }

        .error-buttons {
            flex-direction: column;
            width: 100%;
            max-width: 280px;
            gap: 14px;
        }

        .error-btn {
            width: 100%;
            justify-content: center;
            padding: 13px 30px;
            font-size: 15px;
        }

        .suggestions {
            margin-top: 40px;
            padding: 20px 16px;
        }

        .suggestions h3 {
            font-size: 18px;
        }

        .suggestion-links {
            justify-content: center;
        }

        .status-icon {
            width: 100px;
            height: 100px;
        }
    }

    @media (max-width: 480px) {
        .error-code {
            font-size: 60px;
            letter-spacing: 1px;
        }

        .error-title {
            font-size: 22px;
        }

        .error-message {
            font-size: 15px;
            margin-bottom: 32px;
        }

        .error-container {
            padding: 0px 20px 40px;
        }

        .animated-404 {
            height: 120px;
        }

        .floating-element {
            font-size: 60px;
        }

        .error-btn {
            padding: 12px 24px;
            font-size: 14px;
        }

        .suggestions {
            margin-top: 30px;
            padding: 16px 12px;
        }

        .suggestion-link {
            padding: 10px 18px;
            font-size: 13px;
        }
    }

    .footer-minimal {
        margin-top: 75px;
        width: 100%;
        padding: 18px 20px 30px;
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(0, 0, 0, 0.05);
    }

    .footer-minimal-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .footer-minimal-logo {
        width: 140px;
        height: auto;
        opacity: 0.9;
        transition: transform 0.3s ease;
    }

    .footer-minimal-logo:hover {
        transform: scale(1.05);
    }

    .footer-minimal-copy {
        font-size: 14px;
        color: var(--text-light);
        text-align: center;
        font-weight: 500;
    }

    .help-button {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 60px;
        height: 60px;
        background: var(--gradient);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
        transition: all 0.3s ease;
        z-index: 100;
        animation: slideIn 0.5s ease-out 0.5s both;
    }

    @keyframes slideIn {
        from {
            opacity: 0;
            transform: translateY(50px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .help-button:hover {
        transform: scale(1.15);
        box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
    }

    .help-button img {
        width: 28px;
        height: 28px;
        filter: brightness(0) invert(1);
    }

    @media (max-width: 768px) {
        .help-button {
            bottom: 20px;
            right: 20px;
            width: 55px;
            height: 55px;
        }

        .help-button img {
            width: 24px;
            height: 24px;
        }
    }
            /* Ripple effect for buttons */
        .ripple {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.6);
            transform: scale(0);
            animation: rippleAnimation 0.6s ease-out;
            pointer-events: none;
        }

        @keyframes rippleAnimation {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }

        /* Additional smooth transitions */
       * {
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        a,
        button {
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
        }