:root {
    /* Color Palette - Clean Business Light */
    --primary-bg: #ffffff;
    --secondary-bg: #f8fafc;
    --accent-color: #2563eb;
    --primary-blue: #0a192f;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-hint: #64748b;
    --white: #ffffff;
    --border-color: #e2e8f0;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-width: 1100px;
    
    /* Effects */
    --transition-smooth: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

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

body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    color: var(--primary-blue);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Navigation --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

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

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
}

.btn-primary:hover {
    background-color: var(--accent-color);
    color: white;
}

.btn-solid {
    background-color: var(--accent-color);
    color: white;
}

.btn-solid:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* --- Hero Section --- */
.hero {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 0;
    text-align: center;
    align-items: center;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

/* --- Section Layout --- */
section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 60px;
    text-align: center;
}

/* --- Grid System --- */
.grid {
    display: grid;
    gap: 30px;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* --- Cards --- */
.card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 12px;
    transition: var(--transition-smooth);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.card h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

/* --- Legal Banner / Footer Info --- */
.legal-notice {
    background-color: #f1f5f9;
    padding: 20px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

/* --- Footer --- */
footer {
    padding: 60px 0 20px;
    background-color: var(--primary-blue);
    color: #cbd5e1;
    text-align: center;
}

footer .logo {
    color: white;
    margin-bottom: 20px;
}

footer .footer-links {
    margin: 30px 0;
    display: flex;
    justify-content: center;
    gap: 30px;
}

footer .footer-links a {
    color: #94a3b8;
}

footer .footer-links a:hover {
    color: white;
}

/* --- Zurück-Link Styles --- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-weight: 600;
    margin: 20px 0;
    cursor: pointer;
}

.back-link:hover {
    text-decoration: underline;
}

/* Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    --container-width: 900px;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }
    .btn {
        width: 100%;
    }
}