:root {
    --primary-color: #8B1C1C;
    --primary-light: #A02020;
    --secondary-color: #333333;
    --accent-color: #8B1C1C;
    --text-color: #1A1A1A;
    --text-muted: #555;
    --bg-color: #F4F7F9;
    --card-bg: #ffffff;
    --white: #ffffff;
    --header-height: 80px;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --border-radius: 12px;
    --max-width: 1200px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--primary-color);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-brand a {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-brand span {
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
}

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

.nav-links a {
    color: var(--primary-color);
    font-weight: 500;
}

.nav-links a.active {
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 4px 0;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
    background: var(--white);
    color: var(--primary-color);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--primary-color);
}

.hero-logo {
    max-height: 100px;
    width: auto;
    margin-bottom: 25px;
    transition: transform 0.3s ease;
    /* Ein dezenter Drop-Schatten für Tiefe auf dem hellen Grund */
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.05));
    border: 1px solid var(--primary-color);
    padding: 2px;
    border-radius: 4px;
}

.hero-logo:hover {
    transform: scale(1.02);
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Section Styling */
section {
    padding: 40px 0;
}

h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
    font-size: 2rem;
}

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

.card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    color: var(--primary-light);
    margin-bottom: 15px;
    font-size: 1.4rem;
    border-left: 4px solid var(--secondary-color);
    padding-left: 15px;
}

/* Contact Card */
.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.contact-card img {
    max-width: 200px;
    margin-bottom: 20px;
}

/* Lists */
ul.check-list {
    list-style: none;
}

ul.check-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
}

ul.check-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;
}

footer a {
    color: var(--white);
    opacity: 0.8;
}

footer a:hover {
    opacity: 1;
}


/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow);
        padding: 20px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .nav-brand span {
        font-size: 1.1rem;
    }

    .nav-logo {
        height: 40px;
    }

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