body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    color: #1a1a1a;
    background-color: #ffffff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
    color: #000000;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

.grid-bg {
    background-image: linear-gradient(to right, #f0f0f0 1px, transparent 1px),
                      linear-gradient(to bottom, #f0f0f0 1px, transparent 1px);
    background-size: 4rem 4rem;
    background-position: center center;
}

.primary-color { color: #3366bb; }
.accent-color { color: #3366bb; }
.bg-primary { background-color: #3366bb; }
.bg-accent { background-color: #f5f5f5; }