.logo-img {
    height: 50px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

body { 
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
    line-height: 1.6; 
    color: #e0e0e0; 
    background-color: #0a0b0d;
    margin: 0; 
}

header { 
    background: rgba(10, 11, 13, 0.95); 
    padding: 1.5rem; 
    border-bottom: 1px solid #00d4ff;
    position: sticky; 
    top: 0; 
    z-index: 1000;
    backdrop-filter: blur(10px);
}

nav { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    max-width: 1200px; 
    margin: auto; 
}

.logo { 
    font-size: 1.8rem; 
    font-weight: bold; 
    letter-spacing: 2px; 
    color: #00d4ff; 
    text-transform: uppercase; 
}

nav ul { 
    display: flex; 
    list-style: none; 
    gap: 25px; 
    margin: 0; 
}

nav a { 
    text-decoration: none; 
    color: #fff; 
    font-size: 0.9rem; 
    transition: 0.3s; 
    text-transform: uppercase; 
}

nav a:hover { 
    color: #00d4ff; 
    text-shadow: 0 0 10px #00d4ff; 
}

/* ────────────────────────────────────────
   Sprachumschalter
───────────────────────────────────────── */
.lang-switch {
    display: flex;
    gap: 10px;
    align-items: center;
}

.lang-link {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 14px;
    border: 1px solid #444;
    border-radius: 4px;
    transition: all 0.25s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lang-link:hover {
    border-color: #00d4ff;
    color: #00d4ff;
}

.lang-link.active {
    background: #00d4ff;
    color: #0a0b0d;
    border-color: #00d4ff;
}

/* Hero – nur diese Stelle geändert: Bild statt schwarzem Gradient */
#hero { 
    background: url('../img/hero-cosmos.jpg') center center / cover no-repeat;
    /* 
       Empfohlene Alternativen je nach Bild:
       - / cover           → füllt komplett aus (meist gewünscht)
       - / contain         → zeigt ganzes Bild (kann schwarze Ränder ergeben)
       - / 100% auto       → Höhe passt, Breite skaliert
    */
    padding: 150px 20px; 
    text-align: center; 
}

#hero h1 { 
    font-size: 3.5rem; 
    margin-bottom: 1rem; 
    letter-spacing: -1px; 
    color: #fff; 
    text-shadow: 0 3px 12px rgba(0,0,0,0.9);   /* etwas stärkerer Schatten → bessere Lesbarkeit */
}

#hero p { 
    font-size: 1.2rem; 
    max-width: 700px; 
    margin: 0 auto 2rem; 
    color: #aaa; 
    text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}

.btn { 
    background: transparent; 
    color: #00d4ff; 
    padding: 12px 30px; 
    text-decoration: none; 
    border: 2px solid #00d4ff; 
    border-radius: 0px; 
    font-weight: bold;
    transition: 0.4s;
    text-transform: uppercase;
    display: inline-block;
}

.btn:hover { 
    background: #00d4ff; 
    color: #fff; 
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.6); 
}

/* Sections */
section { 
    padding: 80px 20px; 
    max-width: 1200px; 
    margin: auto; 
}

h2 { 
    font-size: 2rem; 
    text-transform: uppercase; 
    border-left: 4px solid #00d4ff; 
    padding-left: 15px; 
    margin-bottom: 40px; 
    color: #fff; 
}

.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px; 
}

.card { 
    background: #16181d; 
    padding: 30px; 
    border: 1px solid #2a2d35; 
    transition: 0.3s;
}

.card:hover { 
    border-color: #00d4ff; 
    transform: translateY(-5px); 
    box-shadow: 0 10px 30px rgba(0,0,0,0.5); 
}

.card h3 { 
    color: #00d4ff; 
    margin-top: 0; 
}

.card strong { 
    color: #00d4ff; 
    display: block; 
    margin-bottom: 10px; 
    font-size: 1.1rem; 
}

/* Footer */
footer { 
    background: #050505; 
    border-top: 1px solid #222; 
    text-align: center; 
    padding: 50px 20px; 
    color: #666; 
}

footer a { 
    color: #666; 
    transition: 0.3s; 
    text-decoration: none; 
    margin: 0 10px; 
}

footer a:hover { 
    color: #00d4ff; 
}