:root {
    --bg: #ffffff;
    --surface: #f4f4f5;
    --border: #e4e4e7;
    --text: #09090b;
    --muted: #71717a;
    --radius: 18px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #09090b;
        --surface: #18181b;
        --border: #27272a;
        --text: #fafafa;
        --muted: #a1a1aa;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

:focus-visible {
    outline: 3px solid var(--text);
    outline-offset: 4px;
}