/* --- CSS (Design & Layout) --- */
:root {
    --primary-color: #2c3e50;
    --accent-color: #27ae60;
    --text-color: #333;
    --bg-color: #f4f4f4;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header & Navigation */
header {
    /*background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('PIC/Header3.jpg');*/
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 3rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 15px;
}

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

.logo {
    font-size: 2.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #ffffff;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.8), 
                 0px 0px 15px rgba(0, 0, 0, 0.5);
    cursor: pointer;
    transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.9), 
                 0px 0px 20px rgba(255, 255, 255, 0.4);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    padding: 0;
}

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

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

/* Hauptinhalt */
main {
    flex: 1;
    padding: 2rem 0;
}

.section {
    display: none;
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    animation: fadeIn 0.5s ease-in-out;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Startseite */
.hero {
    text-align: center;
}

.hero img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
    max-height: 400px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.welcome-text {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Kontaktformular */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
}

input, textarea {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

button {
    background-color: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    align-self: flex-start;
}

button:hover {
    background-color: #219150;
}

/* --- Galerie Styles --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.gallery-grid img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.gallery-grid img:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* --- Lightbox (Vollbild) Styles --- */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.close-btn:hover {
    color: #bbb;
}

.prev-btn, .next-btn {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 20px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 30px;
    transition: 0.3s;
    user-select: none;
    background-color: rgba(0,0,0,0.3);
    border-radius: 5px;
}

.prev-btn { left: 20px; }
.next-btn { right: 20px; }

.prev-btn:hover, .next-btn:hover {
    background-color: rgba(0,0,0,0.8);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
    font-size: 0.9rem;
}

/* --- Responsives Design für Smartphones --- */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .logo {
        font-size: 1.8rem;
    }
    
    header {
        padding: 1.5rem 0;
    }
}