/* Grund-Einstellungen und Farben */
:root {
    --primary-color: #2c5e50; /* Waldgrün */
    --secondary-color: #4ca1af; /* Flussblau */
    --text-color: #333333;
    --bg-color: #f9f9fa;
}

* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
}

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

/* Navigation */
nav { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 20px 50px; 
    background: rgba(255, 255, 255, 0.95); 
    position: fixed; 
    width: 100%; 
    top: 0; 
    z-index: 100; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); 
}

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

.nav-links { 
    list-style: none; 
    display: flex; 
    gap: 20px; 
}

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

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

/* Hero Bereich (Startbildschirm) */
.hero { 
    height: 100vh; 
    /* Später tauschst du hero-bg.jpg gegen ein Foto deines Hauses/der Lauter aus */
    background: linear-gradient(rgba(44, 94, 80, 0.8), rgba(76, 161, 175, 0.8)), url('hero-bg.jpg') center/cover; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    color: white; 
    padding-top: 80px; 
}

.hero-content h1 { font-size: 3rem; margin-bottom: 20px; }
.hero-content p { font-size: 1.2rem; margin-bottom: 30px; max-width: 600px; margin: 0 auto 30px auto; }

/* Buttons */
.btn { 
    display: inline-block; 
    padding: 12px 30px; 
    background: var(--secondary-color); 
    color: white; 
    text-decoration: none; 
    border-radius: 5px; 
    font-weight: bold; 
    transition: background 0.3s; 
}
.btn:hover { background: var(--primary-color); }

.btn-secondary { 
    display: inline-block; 
    margin-top: 15px; 
    padding: 10px 20px; 
    border: 2px solid var(--primary-color); 
    color: var(--primary-color); 
    text-decoration: none; 
    border-radius: 5px; 
    transition: all 0.3s; 
}
.btn-secondary:hover { background: var(--primary-color); color: white; }

/* Sektionen Allgemein */
section { padding: 80px 20px; text-align: center; }
section h2 { font-size: 2.2rem; color: var(--primary-color); margin-bottom: 40px; }

/* Grid für die 3 Wohnungen */
.grid { 
    display: flex; 
    gap: 30px; 
    justify-content: center; 
    flex-wrap: wrap; 
    max-width: 1200px; 
    margin: 0 auto; 
}

.card { 
    background: white; 
    border-radius: 10px; 
    padding: 20px; 
    width: 320px; 
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); 
    text-align: left; 
}

.placeholder { 
    height: 200px; 
    background: #e0e0e0; 
    border-radius: 5px; 
    margin-bottom: 15px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    color: #888; 
}

.card h3 { margin-bottom: 10px; color: var(--primary-color); }

/* Hintergrundfarbe für Abwechslung */
.location { background-color: white; }

/* Footer */
footer { 
    background: var(--primary-color); 
    color: white; 
    text-align: center; 
    padding: 30px 20px; 
}
footer a { color: white; text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* Responsive für Handys */
@media(max-width: 768px) {
    nav { flex-direction: column; padding: 15px; }
    .nav-links { margin-top: 15px; }
    .hero-content h1 { font-size: 2rem; }
    .grid { flex-direction: column; align-items: center; }
}