/* Define navy accent for subtle highlights */
:root {
    --accent-color: #4262a5;
    --section-header-color: #3ba9f4;
    --card-bg: #4bb6f8;
}

/* Base layout reset + font */
html, body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #0d1117; /* dark mode */
    color: #ffffff;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    margin: 0.5rem 0;
    font-weight: 600;
}

/* Paragraphs */
p {
    margin: 1rem 0;
}

/* Links */
a {
    color: var(--accent-color);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

/* Main body padding */
main {
    padding: 2rem;
    padding-bottom: 4rem;
}

/* Footer */
footer {
    margin-top: 4rem;
    padding: 1rem;
    text-align: center;
    font-size: 0.9rem;
    color: #888;
}