:root {
    --primary-color: #6200ea;
    --secondary-color: #4a6fa5;
    --accent-color: #f8bc45;
    --danger-color: #e63946;
    --text-color-dark: #333;
    --bg-light: #f5f5f5;
    --header-color: #4a148c;
    --bg-card: #ffffff;
    --bg-section: #ffffff;
    --bg-dark: #1d3557;

    --shadow-standard: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-soft: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-hover: 0 15px 20px rgba(0,0,0,0.1);

    --border-radius-large: 12px;
    --border-radius-medium: 0.5rem;
    --border-radius-small: 0.3rem;

    --spacing-standard: 2rem;
    --spacing-small: 1rem;

    --font-primary: 'Inter', 'Segoe UI', Tahoma, Verdana, sans-serif;
}

/* Global Reset & Basisstyles */
*, ::after, ::before {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-light);
    color: var(--text-color-dark);
    line-height: 1.6;
    padding: var(--spacing-standard);
    max-width: unset;
    margin: 0 auto;
}

/* Headings */
h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    color: var(--accent-color);
}

/* Header */
header {
    background: linear-gradient(135deg, var(--secondary-color), var(--bg-dark));
    color: #fff;
    padding: var(--spacing-standard);
    text-align: center;
    box-shadow: var(--shadow-soft);
    border-radius: var(--border-radius-medium);
    margin-bottom: var(--spacing-standard);
}

/* Card Container */
.container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: var(--spacing-standard) 0;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-medium);
    overflow: hidden;
    transition: all .3s ease;
    box-shadow: var(--shadow-soft);
    height: 5rem;
}

.card:hover {
    height: auto;
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-header {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}

.card-header::after {
    content: "↓";
    font-size: 1.2rem;
}

.card:hover .card-header::after {
    content: "↑";
}

.card-description {
    padding: 1rem;
}

/* Utility Klassen */
.width-fit-content {
    width: fit-content;
    background-color: rgba(248,188,69,.3);
    padding: var(--spacing-small);
    border-radius: var(--border-radius-small);
}

.max-width-fit-content {
    max-width: fit-content;
    background-color: rgba(230,57,70,.2);
    padding: var(--spacing-small);
    border-radius: var(--border-radius-small);
}

.webdings {
    font-family: "Webdings", sans-serif;
    display: inline-block;
    text-align: center;
}

.height-1rem {
    height: 1rem;
    background-color: rgba(74,111,165,.2);
}

.height-2rem {
    height: 2rem;
    background-color: rgba(74,111,165,.4);
}

/* Footer */
footer {
    background-color: var(--bg-dark);
    color: #fff;
    padding: var(--spacing-standard);
    text-align: center;
    border-radius: var(--border-radius-medium);
    margin-top: var(--spacing-standard);
}

/* Zentrierter Link/Button */
.centered-link {
    display: block;
    margin: 0 auto var(--spacing-standard);
    width: fit-content;
}

/* Anpassungen für mobile Geräte */
@media (max-width: 768px){
    body, footer, header {
        padding: var(--spacing-small);
    }

    .container {
        grid-template-columns: 1fr;
    }

    .card {
        max-width: 100%;
    }

    h1 {
        font-size: 2rem;
    }
}

/* Weitere Links und hilfreiche Styles */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color .3s ease;
}

a:hover {
    color: #7c4dff;
}
/* Stil für Button-Link */
.button-link {
    display: inline-block;
    text-decoration: none;
    padding: 0.8rem 1.6rem;
    background-color: var(--primary-color);
    color: #ffffff;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-standard);
    transition: all 0.3s ease;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

/* Hover Effekt für Button-Link */
.button-link:hover {
    background-color: var(--secondary-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
/* Zentriert den Button-Link horizontal */
.centered-link {
    display: block;
    margin: var(--spacing-standard) auto;
    width: fit-content;
}