/* General styling and reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #74ebd5 0%, #9face6 100%);
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0;
}

/* Header styling */
header {
    width: 100%;
    text-align: center;
    padding: 20px 0;
    background-color: #333;
}

header .logo img {
    width: 150px;
    max-width: 100%;
    height: auto;
}

/* Ad container styling */
.ad-container {
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
    text-align: center;
    margin: 15px 0;
    font-size: 14px;
    color: #555;
}

/* Quiz container styling */
.quiz-container {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 600px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin: 0;
}

.quiz-container:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

#reward {
    font-size: 18px;
    color: #4CAF50;
    font-weight: bold;
    margin-bottom: 15px;
    padding: 5px;
    border: 2px solid #4CAF50;
    border-radius: 8px;
}

h1 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
}

#question {
    font-size: 18px;
    margin-bottom: 20px;
    color: #555;
}

/* Option styling with fully darkened colors for correct and wrong answers */
.option {
    background: #f4f4f4;
    border-radius: 8px;
    padding: 12px;
    margin: 8px 0;
    transition: background-color 0.3s, transform 0.2s;
    cursor: pointer;
}

.option:hover {
    transform: scale(1.02);
}

.option.correct {
    background-color: #006400; /* Full Dark Green for Correct Answer */
    color: #fff;
}

.option.wrong {
    background-color: #8b0000; /* Full Dark Red for Wrong Answer */
    color: #fff;
}

.option label {
    font-size: 16px;
    cursor: pointer;
}

#results {
    margin-top: 20px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

/* Info box styling for Quiz Benefits */
.intro-box {
    background-color: #f1f9ff;
    border-left: 4px solid #4CAF50;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
    text-align: left;
    margin-top: 20px;
    font-size: 16px;
    color: #333;
}

.intro-box h2 {
    font-size: 20px;
    color: #4CAF50;
    margin-bottom: 10px;
}

.intro-box p {
    margin-bottom: 8px;
    line-height: 1.6;
}

/* Footer styling */
footer {
    width: 100%;
    background-color: #333;
    color: white;
    padding: 20px 0;
    text-align: center;
    margin-top: 20px;
}

footer .footer-nav {
    margin-bottom: 10px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

footer .footer-nav a {
    color: white;
    font-size: 16px;
    font-weight: bold;
    padding: 10px 20px;
    border-radius: 20px;
    text-decoration: none;
    background-color: #4CAF50;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

footer .footer-nav a:hover {
    background-color: #006400;
    transform: scale(1.1);
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}

/* Media queries for responsive design */
@media (max-width: 768px) {
    .quiz-container, .ad-container, .intro-box {
        width: 90%;
    }

    header .logo img {
        width: 130px;
    }
}

@media (max-width: 480px) {
    header .logo img {
        width: 120px;
    }

    footer .footer-nav a {
        font-size: 14px;
        padding: 8px 16px;
    }

    h1, .intro-box h2 {
        font-size: 20px;
    }

    #question, .option label {
        font-size: 16px;
    }

    .option {
        padding: 10px;
    }

    #results {
        font-size: 14px;
    }
}