:root {
    --bg-color: #0f1014;
    --text-main: #e2e4e9;
    --text-muted: #9ba1a6;
    --accent-color: #00ff88;
    --link-hover: #55ffb2;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Merriweather', serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.8;
    font-size: 1.125rem;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(0, 255, 136, 0.3);
    color: #fff;
}

.article-container {
    max-width: 740px;
    margin: 0 auto;
    padding: 6rem 20px 4rem;
}

.article-header {
    margin-bottom: 3.5rem;
}

.article-header h1 {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.article-meta {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.separator {
    opacity: 0.5;
}

.article-body p {
    margin-bottom: 1.75rem;
    color: #c9cdd2;
}

.article-body .lead {
    font-size: 1.35rem;
    line-height: 1.7;
    color: var(--text-main);
    font-style: italic;
    margin-bottom: 3rem;
}

.article-body h2 {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 600;
    margin-top: 3.5rem;
    margin-bottom: 1.2rem;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.article-body strong {
    color: #ffffff;
    font-weight: 700;
}

.article-body code {
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.08);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent-color);
}

.section-divider {
    border: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 4rem auto;
    width: 60%;
}

.engine-link {
    background: rgba(0, 255, 136, 0.04);
    border-left: 3px solid var(--accent-color);
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
    font-family: var(--font-heading);
    border-radius: 0 8px 8px 0;
}

.engine-link strong {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.engine-link a,
.engine-link-small a {
    font-family: var(--font-mono);
    color: var(--accent-color);
    text-decoration: none;
    word-break: break-all;
    font-size: .9rem;
    transition: color 0.2s;
}

.engine-link a:hover,
.engine-link-small a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.engine-link-small {
    margin-bottom: 2rem;
}

.article-footer {
    text-align: center;
    padding: 3rem 20px;
    font-family: var(--font-heading);
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 768px) {
    .article-header h1 {
        font-size: 2.2rem;
    }

    .article-body .lead {
        font-size: 1.2rem;
    }

    body {
        font-size: 1.05rem;
    }
}