* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #3f51b5, #e91e63);
    color: #ffffff;
}

@keyframes moveGradient {
    0% {
        background: linear-gradient(135deg, #5f72bd, #9b23ea);
    }

    50% {
        background: linear-gradient(135deg, #3f51b5, #e91e63);
    }

    100% {
        background: linear-gradient(135deg, #673ab7, #ff9800);
    }
}

.navbar {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px 30px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    color: #ffffff;
    font-size: 28px;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 18px;
    padding: 8px 15px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.container {
    width: 90%;
    max-width: 800px;
    margin: 80px auto;
    text-align: center;
}

.card {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    padding: 40px;
    margin-bottom: 40px;
    backdrop-filter: blur(8px);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
}

h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
}

button {
    padding: 12px 25px;
    background: linear-gradient(to right, #ff5722, #ff9800);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background: linear-gradient(to right, #ff9800, #ff5722);
    transform: scale(1.05);
}

input {
    padding: 12px;
    width: 100%;
    max-width: 400px;
    margin-bottom: 20px;
    border: 1px solid #cccccc;
    border-radius: 5px;
    font-size: 16px;
}

.hidden {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: center;
    }

    .nav-links {
        flex-direction: column;
        gap: 15px;
    }

    h2 {
        font-size: 24px;
    }

    p {
        font-size: 16px;
    }

    button {
        font-size: 14px;
        padding: 10px 20px;
    }
}