:root {
    --farbe-akzent: #1f5f8b;
    --farbe-text: #1d1d1b;
    --farbe-hintergrund: #fdfcf9;
}

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

body {
    font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    color: var(--farbe-text);
    background-color: var(--farbe-hintergrund);
    max-width: 45rem;
    margin: 0 auto;
    padding: 1rem;
}

.titel {
    font-size: 2.5rem;
    color: var(--farbe-akzent);
}

h2 {
    background-color: var(--farbe-akzent);
    color: #ffffff;
    padding: 0.25rem 0.5rem;
}

img {
    max-width: 100%;
    height: auto;
}

footer {
    border-top: 1px solid #c9c9c4;
    margin-top: 2rem;
    font-size: 0.875rem;
}

nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    list-style: none;
    padding: 0;
}

nav [aria-current="page"] {
    font-weight: bold;
    text-decoration: none;
    color: var(--farbe-text);
}