* {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background 0.3s, color 0.3s;
    width: 100%;
    overflow-x: hidden;
}

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

button {
    cursor: pointer;
    border: none;
}