:root {
    --primary-color: #0d1b2a;
    --primary-color-light: #4371a7;
    --primary-color-hover: #1b263b;
    --primary-color-active: #415a77;
    --text-color: #0d1b2a;
    --text-color-light: #1b263b;
    --text-color-lighter: #415a77;
    --background-color: #e0e1dd;
    --white: #fff;
    --border-color: #ddd;
    --border-color-light: #f0f0f0;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --transition-fast: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    --font-family: 'Roboto Mono', monospace;
    --h1-font-size: 2.2em;
    --h2-font-size: 2em;
    --h3-font-size: 1.5em;
    --p-font-size: 1.1em;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.7;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    padding: 20px;
}

.left-section {
    flex: 0 0 280px;
    position: sticky;
    top: 20px;
    height: calc(100vh - 40px);
    padding-right: 20px;
    box-sizing: border-box;
}

.social-links {
    margin-top: auto;
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--text-color-light);
    font-size: 1.8em;
    transition: var(--transition);
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.fab,
.fas,
.far {
    width: 1.6em;
    height: 1.6em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.left-section h1 {
    font-size: var(--h1-font-size);
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.left-section p {
    font-size: var(--p-font-size);
    color: var(--text-color-light);
}

.right-section {
    flex: 1;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
}

.right-section h2 {
    font-size: var(--h2-font-size);
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 700;
    border-bottom: 2px solid var(--border-color-light);
    padding-bottom: 10px;
}

.right-section p {
    font-size: var(--p-font-size);
    margin-bottom: 20px;
    color: var(--text-color-lighter);
}

.card {
    background-color: var(--white);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition-fast);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-hover);
}

.card h3 {
    font-size: var(--h3-font-size);
    margin-bottom: 10px;
    color: var(--primary-color);
}

.card p {
    font-size: var(--p-font-size);
}

.card a {
    color: var(--primary-color-light);
}

.card a:hover {
    color: var(--primary-color-hover);
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 10px;
    }

    .left-section {
        position: relative;
        top: 0;
        height: auto;
        margin-bottom: 20px;
        padding-right: 0;
    }

    .right-section {
        padding-left: 0;
    }

    .left-section h1 {
        font-size: 2.5em;
    }

    .right-section h2 {
        font-size: 2.5em;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0;
    }

    .left-section {
        padding: 10px;
    }

    .right-section {
        padding: 10px;
    }

    .left-section h1 {
        font-size: 2em;
    }

    .right-section h2 {
        font-size: 2em;
    }
}