/* Globale Variablen für Farben */
:root {
    --primary-color: #000; /* Schwarz */
    --secondary-color: #1a1a1a; /* Dunkelgrau */
    --tertiary-color: #222; /* Noch dunkleres Grau für Header-Hintergrund */
    --text-color-light: #fff; /* Weisser Text */
    --text-color-medium: #eee; /* Helles Grau für Inhaltstext */
    --accent-color: #4298f5; /* Das neue Blau */
    --border-color: #333; /* Trennlinie */
}

/* Grundlegende Stile */
body {
    font-family: 'Geo', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--primary-color);
    color: var(--text-color-light);
    text-align: center;
}

/* Header und Navigation */
header {
    background: var(--primary-color);
    color: var(--text-color-light);
    padding: 1rem 0;
    position: relative;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    /* Der neue Hintergrund-Stil */
    background:
        /* Dünne, schräge Linien in Akzentfarbe */
        repeating-linear-gradient(
            -45deg,
            transparent 0,
            transparent 2px,
            var(--accent-color) 2px,
            var(--accent-color) 3px
        ),
        /* Dünne, entgegengesetzte schräge Linien in Sekundärfarbe */
        repeating-linear-gradient(
            45deg,
            var(--primary-color) 0,
            var(--primary-color) 2px,
            var(--secondary-color) 2px,
            var(--secondary-color) 3px
        );
    background-size: 20px 20px;
    opacity: 0.1;
}

header nav {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header .logo {
    font-size: 1.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    color: var(--text-color-light);
}

.logo-img {
    height: 40px;
    margin-right: 10px;
}

/* Hero Section */
#hero {
    background: repeating-linear-gradient(
        45deg,
        var(--primary-color),
        var(--primary-color) 10px,
        var(--secondary-color) 10px,
        var(--secondary-color) 20px
    );
    color: var(--text-color-light);
    text-align: center;
    padding: 50px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    position: relative;
    z-index: 1;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

#hero h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

#hero p {
    font-size: 1.5rem;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

/* Akkordeon-Container */
#accordion-container-details {
    max-width: 900px;
    margin: 40px auto;
    background: none;
    box-shadow: none;
    border-radius: 0;
    overflow: visible;
    text-align: left;
    padding: 0 20px;
}

/* Haupt-Container des Akkordeon-Items */
.accordion-item-details {
    border-bottom: none;
    margin-bottom: 20px;
    background: var(--primary-color);
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
    border-radius: 0;
    overflow: hidden;
    position: relative;
}

.accordion-item-details:last-child {
    margin-bottom: 0;
}

/* Stil für den Header des Akkordeons */
.accordion-header-details {
    background-color: var(--tertiary-color);
    color: var(--text-color-light);
    cursor: pointer;
    padding: 40px 25px 5px;
    width: 100%;
    text-align: center;
    border: none;
    outline: none;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-size: 2.4rem;
    font-weight: bold;
    display: block;
    position: relative;
    z-index: 2; /* Header über dem Inhalt positionieren */

    /* Die neue Geometrie mit clip-path für die obere Schräge */
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
}

/* Wenn das Akkordeon geöffnet ist, wird der Header wieder eine normale Form haben */
.accordion-item-details[open] > .accordion-header-details {
}

/* Stil für den Pfeil des Summary-Tags */
.accordion-header-details::-webkit-details-marker {
    display: none;
}
.accordion-header-details::before {
    content: '+';
    font-size: 1.8rem;
    font-weight: bold;
    float: right;
    margin-left: 10px;
    transition: transform 0.3s ease;
    color: var(--accent-color);
}

/* Wenn Details geöffnet ist */
.accordion-item-details[open] > .accordion-header-details {
    background-color: var(--border-color);
    color: var(--accent-color);
}

.accordion-item-details[open] > .accordion-header-details::before {
    content: '−';
    transform: rotate(180deg);
}

/* Inhalt des Akkordeons */
.accordion-content-details {
    padding: 0 25px 20px;
    background-color: var(--secondary-color);
    color: var(--text-color-medium);
    text-align: left;
    
    /* Verschiebt den Inhalt leicht nach oben, um die Lücke zu schliessen */
    margin-top: -10px;
    position: relative;
    z-index: 1; /* Inhalt unter dem Header positionieren */
}

.accordion-content-details p,
.accordion-content-details ul,
.accordion-content-details ol {
    padding-top: 15px;
    padding-bottom: 0;
    margin: 0;
}

.accordion-content-details ul,
.accordion-content-details ol {
    list-style-position: inside;
}

.accordion-content-details h2,
.accordion-content-details h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--text-color-light);
}

/* Links im Inhalt */
.accordion-content-details a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}
.accordion-content-details a:hover {
    color: var(--text-color-light);
    text-decoration: underline;
}

/* Hier sind die Änderungen für das "Über uns"-Layout */
.about-content-top {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    margin-top: 20px;
}

.about-image {
    width: 250px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    min-width: 200px;
}

.about-text-left {
    flex: 1;
}

.about-text-bottom {
    margin-top: 20px;
}


/* Formularstile */
form {
    display: flex;
    flex-direction: column;
    padding-bottom: 0;
    align-items: center;
}

form label {
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-color-light);
    width: 100%;
    text-align: left;
}

form input[type="text"],
form input[type="email"],
form textarea {
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #555;
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--border-color);
    color: var(--text-color-light);
    width: 100%;
    max-width: 400px;
}

form input[type="text"]:focus,
form input[type="email"]:focus,
form textarea:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 5px rgba(66, 152, 245, 0.5);
}

form button {
    background-color: var(--accent-color);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s ease;
    width: auto;
    max-width: 200px;
}

form button:hover {
    background-color: #3b87e0;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--text-color-light);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
}

footer p {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    header nav {
        flex-direction: column;
        text-align: center;
    }

    #hero h1 {
        font-size: 2.5rem;
    }

    #hero p {
        font-size: 1.2rem;
    }

    .accordion-header-details {
        font-size: 1.8rem;
        padding: 18px 20px 2px;
    }

    .accordion-content-details {
        padding: 0 20px 15px;
    }

    #accordion-container-details {
        margin: 20px auto;
        width: 95%;
        padding: 0;
    }

    .accordion-item-details {
        margin-left: 0;
        margin-right: 0;
    }

    .logo-img {
        height: 30px;
    }

    form input[type="text"],
    form input[type="email"],
    form textarea {
        max-width: 90%;
    }

    /* Spezieller Stil für kleinere Bildschirme */
    .about-content-top {
        flex-direction: column;
        text-align: center;
    }

    .about-image {
        width: 100%;
        max-width: 300px;
        margin-bottom: 20px;
    }
}