/* Globale Stile und Variablen */
:root {
    --primary-color: #007BFF; /* Ein ansprechendes Blau */
    --secondary-color: #f8f9fa; /* Ein heller Hintergrund */
    --text-color: #333;
    --heading-font: 'Roboto', sans-serif;
    --body-font: 'Roboto', sans-serif;
}

body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--text-color);
    padding: 0;
    display: flex;
    justify-content: center; /* Center horizontally */
    align-items: center;    /* Center vertically */
    min-height: 100vh;      /* Make body at least the height of the viewport */
    margin: 0;              /* Remove default margin */
    background-color: white; /* Optional: to see the centering */
}

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

/* Header und Navigation */
.navbar {
    background: #fff;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.logo {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    height: 60px;
    width: 60px;
}

.nav-links {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: bold;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero-Sektion */
.hero-section {
    background: url('hero-background.jpg') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 150px 0;
    margin-top: 60px; /* Platz für die fixe Navbar */
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    mix-blend-mode: difference;
}

/* Abschnitte */
.content-section {
    padding: 60px 4%;
}

.content-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.bg-light {
    background-color: var(--secondary-color);
}

.text-center {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: #0056b3;
}

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 40px 0;
}

footer a {
    color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
    }

    .nav-links {
        margin-top: 1rem;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .content-section h2 {
        font-size: 2rem;
    }
}

.iframe-container {
  width: 90%;             /* Responsive width */
  height: 600px;
  margin: auto;
}

.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

p {
    text-align: center;
}

li {
    text-align: center;
}
