/* ---------- Reset & Grundlegende Stile ---------- */
*, *::before, *::after {
    box-sizing: border-box;
}
body, h1, h2, p, ul, li, figure, figcaption, blockquote, dl, dd {
    margin: 0;
    padding: 0;
}
ul { list-style: none; }
a { text-decoration: none; }

/* ---------- Farbvariablen (leicht anpassbar) ---------- */
:root {
    --primary-color: #0066cc;   /* Hauptfarbe */
    --secondary-color: #004080; /* Sekundärfarbe */
    --text-color: #333;
    --background-color: #f9f9f9;
}

/* ---------- Body & Layout ---------- */
body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------- Header ---------- */
.site-header {
    background: var(--primary-color);
    color: #fff;
    padding: 1rem;
}
.logo { font-size: 1.5rem; font-weight: bold; }
.main-nav ul { display: flex; gap: 1rem; }
.main-nav a { color: #fff; }

/* ---------- Main Content ---------- */
.site-main {
    flex: 1;               /* Hauptbereich wächst, um Platz zu füllen */
    padding: 2rem;
}
section { margin-bottom: 3rem; }

#hero {
    background: var(--secondary-color);
    color: #fff;
    text-align: center;
    padding: 4rem 2rem;
}

/* ---------- Footer ---------- */
.site-footer {
    background: #222;
    color: #bbb;
    text-align: center;
    padding: 1rem;
}