:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --heading-color: #ffffff;
    --primary-color: #238636;
    --primary-hover: #2ea043;
    --secondary-color: #30363d;
    --secondary-hover: #3b434b;
    --border-color: #30363d;
    --code-bg: #161b22;
    --accent-color: #58a6ff;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-mono: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    color: var(--heading-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3.5rem;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.5rem;
    color: var(--heading-color);
    margin-bottom: 1rem;
}

.subtext {
    font-size: 1rem;
    color: #8b949e;
    margin-bottom: 2rem;
    font-family: var(--font-mono);
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: background-color 0.2s;
}

.btn.primary {
    background-color: var(--primary-color);
    color: #ffffff;
    border: 1px solid rgba(240, 246, 252, 0.1);
}

.btn.primary:hover {
    background-color: var(--primary-hover);
    text-decoration: none;
}

.btn.secondary {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn.secondary:hover {
    background-color: var(--secondary-hover);
    text-decoration: none;
}

/* Main Content */
section {
    margin-bottom: 4rem;
}

section h2 {
    font-size: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

code {
    font-family: var(--font-mono);
    background-color: rgba(110, 118, 129, 0.4);
    padding: 0.2em 0.4em;
    border-radius: 6px;
    font-size: 85%;
}

.ascii-art {
    font-family: var(--font-mono);
    background-color: var(--code-bg);
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
    white-space: pre;
    color: var(--heading-color);
    margin: 1.5rem 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.code-block {
    font-family: var(--font-mono);
    background-color: var(--code-bg);
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
    color: var(--text-color);
    margin: 1rem 0;
    font-size: 0.9rem;
}

ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

strong {
    color: var(--heading-color);
}

/* Footer */
footer {
    margin-top: 4rem;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: #8b949e;
    font-size: 0.9rem;
}

.quote {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.note {
    font-size: 0.8rem;
    margin-top: 1rem;
}