:root {
    --primary-color: #005ea8; /* Opel Blue */
    --secondary-color: #f7d900; /* Opel Yellow */
    --text-color: #333;
    --background-color: #dcdcdc;
    --header-bg: #dcdcdc;
    --footer-bg: #222222;
    --footer-text: #ccc;
    --container-width: 960px;
    --font-family: 'Roboto', sans-serif;
}

text100		{text-align: center; font-size: 13px; width: 100%; font-family: verdana; color: #000000; background-color: red}
* 		{margin: 0; padding: 0; box-sizing: border-box;}
body 		{font-family: var(--font-family); line-height: 1.6; background-color: var(--background-color); color: var(--text-color);}
.container1 	{max-width: var(--container-width); margin: 0 auto; padding: 0 50px; color: black; text-align: center; margin-bottom: 15px;}
.container2 	{width: 98%; margin: 0 auto; padding: 0 50px; color: black;}
.container 	{width: 98%; margin: 0 auto; padding: 0 20px; color: black;}
.container3 	{width: 98%; margin: 0 auto; padding: 0 10px; color: black;}
.bild1 		{text-align: center; margin-top: 10px; max-width: 100%}


/* Header */
.site-header {
    background-color: var(--header-bg);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.0rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.main-nav li {
    margin-left: 20px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 700;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--primary-color);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    background-color: var(--header-bg);
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    min-width: 200px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 4px;
    z-index: 1100;
}

.dropdown-menu1 {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    background-color: var(--header-bg);
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    min-width: 200px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 4px;
    z-index: 1100;
}


@media (min-width: 769px) {
    .dropdown:hover .dropdown-menu {
        display: block;
    }

    .dropdown-align-right .dropdown-menu {
        left: auto;
        right: 0;
    }
}

.dropdown-menu li {
    margin: 200;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1.5rem;
    font-weight: 400; /* Normal weight for dropdown items */
}

.dropdown-menu a:hover {
    background-color: var(--background-color);
}

/* Custom color for 'Treffen' dropdown links */
.treffen-dropdown .dropdown-menu a {
    color: blue;
}

/* Hero Section */
.hero {
    background-color: #dcdcdc;
    color: white;
    padding: 5px;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Content Section */
.content-section {
    padding: 3rem 0;
    background-color: #dcdcdc;
}

img {
    max-width: 100%;
    height: auto;
}

.content-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

/* Footer */
.site-footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
    padding: 2rem 0;
}

.site-footer a {
    color: var(--secondary-color);
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
}

/* Navigation Toggle */
.nav-toggle {
    display: none; /* Hide the checkbox */
}

.nav-toggle-label {
    display: none; /* Hide by default, show on mobile */
    cursor: pointer;
    position: absolute;
    top: 1.5rem;
    right: 20px; 
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background-color: var(--text-color);
    height: 3px;
    width: 25px;
    border-radius: 2px;
    position: relative;
    transition: all 0.3s ease-in-out;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: '';
    position: absolute; 
}

.nav-toggle-label span::before {
    top: -8px;
}

.nav-toggle-label span::after {
    top: 8px;
}

.nav-toggle:checked ~ .main-nav {
    display: block;
}

.nav-toggle:checked ~ .nav-toggle-label span {
    background-color: transparent;
}

.nav-toggle:checked ~ .nav-toggle-label span::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle:checked ~ .nav-toggle-label span::after {
    transform: rotate(-45deg);
    top: 0;
}


/* Responsive Design */
@media (max-width: 768px) {
    .site-header {
        position: sticky;
        top: 0;
    }

    .site-header .container {
        flex-direction: row; /* Keep logo and nav on same line */
        justify-content: space-between;
    }

    .nav-toggle-label {
        display: block; /* Show hamburger icon */
    }

    .main-nav {
        display: none; /* Hide nav by default */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--header-bg);
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        max-height: calc(100vh - 70px); /* Viewport height minus header */
        overflow-y: auto; /* Allow scrolling */
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        padding: 1rem 0;
    }

    .main-nav li {
        margin: 1rem 0;
    }

    /* Dropdown on Mobile */
    .dropdown > a::after {
        content: ' ▼';
        font-size: 0.8em;
    }

    .dropdown-menu {
        position: static;
        display: none; /* Hide submenu by default */
        background-color: transparent;
        box-shadow: none;
        padding-left: 20px; /* Indent for clarity */
        min-width: unset;
    }

    .dropdown.open > .dropdown-menu {
        display: block; /* Show on click */
    }

    .dropdown-menu a {
        font-size: 0.9em;
        padding: 0.5rem 1rem;
    }

    /* Die widersprüchliche Hover-Regel wird entfernt, da der Hover-Effekt jetzt auf den Desktop beschränkt ist. */

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