* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
}

body {
    background: #f5f5f7; /* Light gray background, similar to Apple's website */
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 800px;
    width: 100%;
    background: rgba(255, 255, 255, 0.8); /* Subtle white with transparency */
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05); /* Softer shadow */
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
    animation: fadeIn 1s ease-in-out;
}

h1 {
    font-size: 2.5em;
    font-weight: 600;
    color: #1d1d1f; /* Dark gray for text */
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

p {
    font-size: 1.1em;
    color: #515154; /* Medium gray for text */
    line-height: 1.6;
    margin-bottom: 30px;
}

.quiz-grid {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.quiz-card {
    background: rgba(255, 255, 255, 0.9); /* Slightly more opaque white */
    border-radius: 15px;
    padding: 20px;
    width: 300px;
    transition: transform 0.3s ease, background 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.quiz-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 1);
}

.quiz-card h2 {
    font-size: 1.5em;
    font-weight: 500;
    color: #1d1d1f;
    margin-bottom: 10px;
}

.quiz-card p {
    font-size: 0.95em;
    color: #515154;
    margin-bottom: 20px;
}

.quiz-card a {
    display: inline-block;
    background: #f5f5f7; /* Light gray button background */
    color: #6e8efb; /* Subtle purple for text */
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 500;
    transition: background 0.3s ease, color 0.3s ease;
}

.quiz-card a:hover {
    background: #6e8efb; /* Purple on hover */
    color: #fff;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    h1 {
        font-size: 2em;
    }
    .quiz-card {
        width: 100%;
    }
}