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

:root {
    --bg: #fafaf9;
    --text: #1c1917;
    --muted: #78716c;
    --accent: #b45309;
    --border: #e7e5e4;
    --card-bg: #ffffff;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    min-height: 100vh;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 48px;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: normal;
    letter-spacing: -0.02em;
}

.logo a {
    text-decoration: none;
    color: var(--text);
}

.logo span {
    color: var(--accent);
}

nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-left: 24px;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    text-align: center;
    padding: 32px 0 56px;
}

.hero h1 {
    font-size: 2.2rem;
    font-weight: normal;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hero p {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 480px;
    margin: 0 auto;
}

/* Article list */
.articles {
    list-style: none;
}

.articles li {
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}

.articles li:first-child {
    border-top: 1px solid var(--border);
}

.article-date {
    font-size: 0.85rem;
    color: var(--muted);
    display: block;
    margin-bottom: 8px;
    font-family: system-ui, sans-serif;
}

.articles h2 {
    font-size: 1.35rem;
    font-weight: normal;
    margin-bottom: 8px;
}

.articles h2 a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

.articles h2 a:hover {
    color: var(--accent);
}

.article-excerpt {
    color: var(--muted);
    font-size: 0.95rem;
}

/* Article page */
.article-header {
    padding: 48px 0 32px;
    text-align: center;
}

.article-header h1 {
    font-size: 2rem;
    font-weight: normal;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.article-meta {
    color: var(--muted);
    font-size: 0.9rem;
    font-family: system-ui, sans-serif;
}

.article-body {
    padding-bottom: 64px;
}

.article-body p {
    margin-bottom: 1.6em;
    font-size: 1.05rem;
}

.article-body h2 {
    font-size: 1.3rem;
    font-weight: normal;
    margin: 2em 0 0.8em;
    color: var(--accent);
}

.article-body blockquote {
    border-left: 2px solid var(--accent);
    padding-left: 20px;
    margin: 1.6em 0;
    color: var(--muted);
    font-style: italic;
}

.article-body img {
    max-width: 100%;
    margin: 1.6em 0;
}

.illustration {
    margin: 2em 0;
    text-align: center;
}

.illustration svg {
    max-width: 100%;
    height: auto;
}

.back-link {
    display: inline-block;
    margin-bottom: 32px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: system-ui, sans-serif;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--accent);
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
    font-family: system-ui, sans-serif;
    margin-top: 48px;
}

/* Mobile */
@media (max-width: 600px) {
    header .container {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    nav a {
        margin: 0 12px;
    }

    .hero h1 {
        font-size: 1.7rem;
    }

    .article-header h1 {
        font-size: 1.6rem;
    }
}