:root {
    --primary-color: #2c3e50; /* Dark Blue */
    --accent-color: #e67e22; /* Burnt Orange */
    --background-color: #fdfbf7; /* Off-white/Sand */
    --text-color: #333;
    --light-text: #7f8c8d;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    --spacing-unit: 1.5rem;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

/* Header */
.site-header {
    background-color: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    color: var(--primary-color);
    font-weight: 600;
}

.main-nav a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 2rem;
    background-color: #edf2f4;
    border-radius: 8px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--light-text);
}

/* Post Grid */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.post-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}

.post-card:hover {
    transform: translateY(-5px);
}

.post-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.post-card .meta {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 1rem;
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 600;
}

/* Single Post */
.single-post {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.post-header {
    text-align: center;
    margin-bottom: 2rem;
}

.post-header h1 {
    font-size: 2.5rem;
}

.post-content {
    font-size: 1.1rem;
}

.post-content p {
    margin-bottom: 1.5rem;
}

.post-content h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.post-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.post-content ul, .post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
    margin-left: 0;
    margin-bottom: 1.5rem;
    font-style: italic;
    color: #555;
}

.post-content pre {
    background: #f4f4f4;
    padding: 1rem;
    overflow-x: auto;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.post-content code {
    background: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9em;
}

.post-content pre code {
    background: none;
    padding: 0;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.post-content hr {
    border: 0;
    border-top: 1px solid #eee;
    margin: 3rem 0;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.post-content th, .post-content td {
    border: 1px solid #ddd;
    padding: 0.75rem;
    text-align: left;
}

.post-content th {
    background-color: #f9f9f9;
    font-weight: 700;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid #eee;
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    :root {
        --spacing-unit: 1rem;
    }

    .site-header .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .main-nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .post-grid {
        grid-template-columns: 1fr;
    }

    .post-card {
        padding: 1rem;
    }

    .single-post {
        padding: 1.5rem;
    }

    .post-header h1 {
        font-size: 2rem;
    }

    .post-content h2 {
        font-size: 1.75rem;
    }

    .post-content h3 {
        font-size: 1.4rem;
    }

    .post-content table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}