body {
    font-family: Arial, sans-serif;
    margin: 0;
    color: #1A202C;
    background-color: #F7FAFC;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    border-bottom: 2px solid #E2E8F0;
    background-color: #2B6CB0;
    color: #ffffff;
    padding: 1rem 0;
}

h1 {
    font-size: 2.2rem;
    margin: 0;
}

.tagline {
    font-size: 1rem;
    color: #E2E8F0;
}

h2 {
    color: #2A4365;
}

.section-light {
    background-color: #E9EDF2;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.section-white {
    background-color: #ffffff;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.tool-box {
    border: 1px solid #CBD5E0;
    padding: 1.5rem;
    background-color: #ffffff;
    margin-top: 1rem;
}

.muted {
    color: #4A5568;
    font-size: 0.95rem;
}

footer {
    border-top: 1px solid #E2E8F0;
    margin-top: 4rem;
    font-size: 0.9rem;
    color: #4A5568;
    text-align: center;
}