:root {
    --primary-color: #2e8b57; /* Meergrün / Seegrün */
    --accent-color: #ff4500;  /* Orange-Rot */
    --background-dark: #121212;
    --text-light: #f5f5f5;
    --card-bg: #1e1e1e;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--background-dark);
    color: var(--text-light);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Google Fonts Zuweisung */
h1, h2, h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
}

header.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('hintergrundbild.jpg') center/cover no-repeat; /* Bild ersetzen */
    padding: 100px 20px;
    text-align: center;
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: var(--text-light);
}

.cta-button {
    display: inline-block;
    padding: 12px 25px;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #ff6347;
}

.section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature-grid > div {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid var(--primary-color);
}

/* Form Styling */
.form-section {
    background-color: var(--card-bg);
    border-radius: 10px;
    margin-bottom: 50px;
}

.auth-form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #333;
    border-radius: 4px;
    background-color: #2a2a2a;
    color: var(--text-light);
    box-sizing: border-box;
}

.submit-button {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: #3cb371;
}

footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #2a2a2a;
    font-size: 0.8em;
    color: #888;
}