/* Grundlegende Stile */
:root {
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --text-color: #333;
    --background-color: #f5f5f7;
    --card-background: #ffffff;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.main-nav {
    background-color: var(--card-background);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-content ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-content a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

.nav-content a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

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

.hero .lead {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
}

/* App Grid */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 4rem 0;
}

.app-card {
    background: var(--card-background);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.app-card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.app-card h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.app-features ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.app-features li {
    margin-bottom: 0.5rem;
    color: #666;
}

.app-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.details-button, .download-button {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.details-button {
    background-color: #f5f5f7;
    color: var(--primary-color);
}

.download-button {
    background-color: var(--primary-color);
    color: white;
}

.details-button:hover {
    background-color: #e5e5e7;
}

.download-button:hover {
    background-color: #0056b3;
}

/* Footer */
footer {
    background-color: var(--card-background);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-links {
    margin-top: 1rem;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 0.5rem;
}

/* Content Pages (Support & Privacy) */
.content-page {
    padding: 2rem 0;
    max-width: 800px;
    margin: 0 auto;
}

.content-page h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.content-page h2 {
    color: var(--secondary-color);
    margin: 2rem 0 1rem;
    font-size: 1.8rem;
}

.content-page h3 {
    color: var(--text-color);
    margin: 1.5rem 0 0.5rem;
    font-size: 1.4rem;
}

.content-page section {
    margin-bottom: 3rem;
    background: var(--card-background);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.content-page ul {
    list-style: none;
    padding-left: 1.5rem;
}

.content-page ul li {
    margin-bottom: 0.8rem;
    position: relative;
}

.content-page ul li:before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: -1.5rem;
    top: 0;
}

.faq-section {
    margin-bottom: 2rem;
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.contact-section {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 12px;
    margin-top: 3rem;
}

.contact-section h2 {
    color: white;
}

.contact-section a {
    color: white;
    text-decoration: underline;
}

.app-info {
    text-align: center;
    margin-top: 3rem;
    color: #666;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-grid {
        grid-template-columns: 1fr;
    }

    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

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

    .app-links {
        flex-direction: column;
    }
}