:root {
    /* Pantone Colors */
    --color-primary: #0f4c81; /* Classic Blue 19-4052 */
    --color-secondary: #53565a; /* Cool Gray 11 */
    --color-accent: #cd212a; /* Flame Scarlet 18-1662 */
    --color-bg: #ffffff; /* Bright White 11-0601 */
    --color-text: #101820; /* Black 6 */
    --color-border: #e1e1e1; /* Light Gray */

    /* Typography */
    --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
    --font-sans:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --font-mono:
        SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;

    /* Sizing */
    --container-width: 800px;
    --spacing-unit: 1rem;
    --line-height: 1.6;
}

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-serif);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: var(--line-height);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-unit);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}
h2 {
    font-size: 2rem;
}
h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem; /* ~18px for readability */
}

a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* Layout */
.site-header {
    border-bottom: 4px solid var(--color-primary);
    padding: 1.5rem 0;
    margin-bottom: 3rem;
}

.header-container,
.footer-container,
.content-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-container {
    display: block; /* Content flows naturally */
}

.site-branding a {
    font-family: var(--font-sans);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.site-nav a {
    font-family: var(--font-sans);
    font-weight: 600;
    color: var(--color-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
}

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

/* Post Styling */
.post-header {
    margin-bottom: 2rem;
    text-align: center;
}

.post-title {
    font-size: 2.5rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.post-meta {
    font-family: var(--font-sans);
    color: var(--color-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.meta-separator {
    margin: 0 0.5rem;
    color: var(--color-border);
}

.post-content {
    font-size: 1.2rem; /* Larger font for reading */
    line-height: 1.7;
}

.post-content h2 {
    margin-top: 2.5rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.5rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

th {
    background-color: var(--color-primary);
    color: var(--color-bg);
    font-weight: 600;
    text-align: left;
    padding: 0.75rem;
    border-bottom: 2px solid var(--color-primary);
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr:hover {
    background-color: #f1f1f1;
}

/* List/Home Page */
.post-preview {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.post-preview:last-child {
    border-bottom: none;
}

.post-preview .post-title {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

.post-preview .post-title a {
    color: var(--color-text);
}

.post-preview .post-title a:hover {
    color: var(--color-primary);
}

.post-summary p {
    font-size: 1rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.read-more {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-accent);
}

/* Footer */
.site-footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-secondary);
}

.footer-container {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

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

    /* Responsive Tables */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}