:root {
    --text: #1a1a1a;
    --muted: #666;
    --link: #0b57d0;
    --border: #e0e0e0;
    --todo-bg: #fff7e0;
    --todo-text: #7a5c00;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text: #e6e6e6;
        --muted: #999;
        --link: #8ab4f8;
        --border: #333;
        --todo-bg: #3a3000;
        --todo-text: #ffd966;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: min(65ch, 100% - 2.5rem);
    margin-inline: auto;
    flex: 1;
}

h1 {
    font-size: 2rem;
    line-height: 1.2;
}

.tagline {
    font-size: 1.15rem;
}

.features {
    padding-left: 1.2rem;
}

.coming-soon {
    font-weight: 600;
}

.prose h2 {
    margin-top: 2rem;
    font-size: 1.2rem;
}

a {
    color: var(--link);
}

.muted {
    color: var(--muted);
}

.small {
    font-size: 0.875rem;
}

.todo {
    background: var(--todo-bg);
    color: var(--todo-text);
    padding: 0.6rem 0.9rem;
    border-radius: 6px;
}

footer {
    border-top: 1px solid var(--border);
    padding: 1rem 0;
    color: var(--muted);
    font-size: 0.875rem;
}