/* Globale Einstellungen */
:root {
    --primary-color: #1a365d;
    --secondary-color: #2b6cb0;
    --text-color: #2d3748;
    --bg-color: #f7fafc;
    --card-bg: #ffffff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 0;
}

header {
    background-color: var(--card-bg);
    border-bottom: 2px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    padding: 5px 0;
}

nav a:hover, nav a.active {
    color: var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
}

.hero {
    text-align: center;
    padding: 60px 0;
}

.hero h1 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 20px;
}

.card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.card h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
}

.content-page {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    margin-top: 30px;
    border: 1px solid #e2e8f0;
}

.content-page h1 {
    color: var(--primary-color);
}

hr {
    border: 0;
    height: 1px;
    background: #e2e8f0;
    margin: 30px 0;
}

footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    font-size: 14px;
    color: #718096;
    border-top: 1px solid #e2e8f0;
}