/* Hintergrund & Textfarben */
html, body {
    background-color: #f5f5f5;
    color: #333333;
}
<nav class="navbar navbar-expand-lg navbar-light bg-white sticky-top shadow-sm">
  <div class="container">
    
    <!-- Leere Spalte links, um das Logo zu zentrieren -->
    <div class="order-lg-0 me-auto d-none d-lg-block" style="width: 33.33%;"></div>
    
    <!-- Logo zentriert -->
    <a class="navbar-brand mx-auto" href="home.html">
      <img src="fooby-logo-header-desktop.svg" alt="Fooby Logo" height="40">
    </a>

    <!-- Navbar-Toggler für mobile Ansichten -->
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>

    <!-- Navigation rechts -->
    <div class="collapse navbar-collapse order-lg-1" id="navbarNav">
      <ul class="navbar-nav ms-auto">
        <li class="nav-item">
          <a class="nav-link active" href="home.html">Startseite</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="firststeps.html">Erste Schritte</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="QnA.html">Häufige Fragen</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="tipps.html">Tipps</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="kontakt.html">Kontakt</a>
        </li>
      </ul>
    </div>
  </div>
</nav>

/* Grundlegende Stile und Reset */
:root {
  --primary-color: #4CAF50; /* Grün für Frische */
  --secondary-color: #FF9800; /* Orange für Energie */
  --background-color: #f9f9f9;
  --text-color: #333;
  --light-text: #fff;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Open Sans', sans-serif;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

/* Header und Navigation */
header {
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 1rem 2rem;
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 1.5rem;
}

nav ul li a {
  color: var(--light-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--secondary-color);
}

/* Hero-Bereich */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
              url('https://beispiel.de/fooby-hero.jpg') center/cover;
  height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--light-text);
  padding: 0 2rem;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
}

.cta-button {
  background-color: var(--secondary-color);
  color: var(--light-text);
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: bold;
  margin-top: 1.5rem;
  cursor: pointer;
  transition: background-color 0.3s;
}

.cta-button:hover {
  background-color: #e68a00;
}

/* Rezeptkarten */
.recipes {
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.recipe-card {
  background-color: var(--light-text);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: transform 0.3s;
}

.recipe-card:hover {
  transform: translateY(-5px);
}

.recipe-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.recipe-card-content {
  padding: 1.5rem;
}

.recipe-card h3 {
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.recipe-card p {
  margin-bottom: 1rem;
}

/* Footer */
footer {
  background-color: var(--primary-color);
  color: var(--light-text);
  text-align: center;
  padding: 2rem;
  margin-top: 2rem;
}

footer p {
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-links a {
  color: var(--light-text);
  font-size: 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .recipes {
    grid-template-columns: 1fr;
  }
}