:root {
    --bg: #0c0d10;
    --text: #e8e4d8;
    --accent: #6b8e6b;
    --muted: #8a8578;
}

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

html, body {
    height: 100%;
}

body {
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    -webkit-font-smoothing: antialiased;
}

main {
    max-width: 640px;
    width: 90%;
    padding: 2rem;
    text-align: center;
}

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

.tagline {
    color: var(--muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

section {
    margin-bottom: 3rem;
    text-align: left;
}

h2 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--accent);
}

p {
    margin-bottom: 1rem;
    color: var(--muted);
}

button {
    background: var(--accent);
    color: var(--bg);
    border: none;
    padding: 0.6rem 1.2rem;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    transition: opacity 0.2s;
}

button:hover {
    opacity: 0.9;
}

pre {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text);
    min-height: 60px;
}

footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
}

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

footer a:hover {
    text-decoration: underline;
}