:root {
    --primary-color: #4CAF50;
    --secondary-color: #8BC34A;
    --accent-color: #2196F3;
    --neutral-light: #F5F5F5;
    --neutral-dark: #333333;
    --gradient-bg: linear-gradient(135deg, #8BC34A, #4CAF50);
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--neutral-dark);
    background: var(--gradient-bg);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
}

header {
    width: 100%;
    background: linear-gradient(to right, #4CAF50, #2196F3);
    color: white;
    text-align: center;
    padding: 20px 0;
}

header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    margin: 0;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 90%;
    max-width: 1440px;
    margin: 20px auto;
}

.text-section {
    width: 45%;
    padding-right: 20px;
    box-sizing: border-box;
}

.graphic-section {
    width: 45%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.graphic-section img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

article {
    background: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

article h2, article h3 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
}

article pre {
    background: #f4f4f4;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

.transparent-box {
    background-color: rgba(76, 175, 80, 0.5);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.button {
    background: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button:hover {
    transform: scale(1.1);
    background-color: #007BFF;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .text-section, .graphic-section {
        width: 100%;
        padding: 0;
    }
}

footer {
    background: #333333;
    color: white;
    text-align: center;
    padding: 10px 0;
    width: 100%;
}