:root {
    --bg-color: #ffffff;
    --text-color: #111111;
    --secondary-text: #666666;
    --border-color: #eeeeee;
    --max-width: 650px;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: "Charter", "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
    line-height: 1.65;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* Navigation */
nav {
    padding: 3rem 1rem 2rem 1rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.05rem;
}

.links a {
    margin-left: 1.5rem;
    text-decoration: none;
    color: var(--secondary-text);
    font-size: 0.95rem;
}

.links a:hover {
    color: var(--text-color);
}

.links a.disabled-link {
    pointer-events: none;
    opacity: 0.5;
}

/* Layout Framework */
main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem 5rem 1rem;
}

/* Home Page Specifics */
.home-header {
    color: var(--secondary-text);
    font-size: 1.1rem;
    margin-bottom: 3.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.post-list {
    margin-top: 2rem;
}

.post-row {
    display: flex;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.post-date {
    width: 100px;
    color: var(--secondary-text);
    font-variant-numeric: tabular-nums;
}

.post-link {
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.post-link:hover {
    border-bottom: 1px solid var(--text-color);
}

/* Essay Page Specifics */
h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.metadata {
    color: var(--secondary-text);
    font-size: 0.95rem;
    margin-bottom: 3.5rem;
}

article p {
    margin-bottom: 1.6rem;
    font-size: 1.15rem;
    letter-spacing: -0.01rem;
}

h2 {
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-size: 1.45rem;
    font-weight: 700;
}

code {
    font-family: "JetBrains Mono", "Fira Code", Menlo, monospace;
    background: #f5f5f5;
    padding: 0.15rem 0.35rem;
    border-radius: 3px;
    font-size: 0.85em;
}

/* Footer Global */
footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--secondary-text);
    font-size: 0.85rem;
}