:root {
    --bg: #0d1117;
    --bg-secondary: #161b22;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --border: #30363d;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.tagline {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 300;
}

section {
    margin-bottom: 3rem;
}

.intro p {
    font-size: 1.15rem;
    color: var(--text-muted);
    border-left: 3px solid var(--accent);
    padding-left: 1.25rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.category {
    margin-bottom: 2rem;
}

h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--text);
}

ul {
    list-style: none;
}

li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}

li:last-child {
    border-bottom: none;
}

li strong {
    color: var(--text);
    font-weight: 500;
}

.philosophy ul {
    background: var(--bg-secondary);
    padding: 1.5rem 2rem;
    border-radius: 8px;
}

.philosophy li {
    border-bottom: none;
    padding: 0.4rem 0;
}

.connect {
    text-align: center;
}

.connect a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.connect a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

@media (max-width: 600px) {
    .container {
        padding: 2rem 1.25rem;
    }

    h1 {
        font-size: 2rem;
    }

    .intro p {
        font-size: 1rem;
    }
}