/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 0, 0, 0.3);
    --gradient-start: #2a2a2a;
    --gradient-end: #1a1a1a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header */
.header {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 32px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

.lang-switcher {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-left: 24px;
}

.lang-switcher a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s;
}

.lang-switcher a:hover,
.lang-switcher a.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.badge {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 32px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px var(--shadow);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Screenshots */
.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.screenshot-item {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 24px;
    overflow: hidden;
}

.screenshot-item.landscape {
    grid-column: span 2;
}

.screenshot-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 30px var(--shadow);
    display: block;
}

.screenshot-item.landscape .screenshot-img {
    max-width: 100%;
    object-fit: contain;
}

.screenshot-caption {
    text-align: center;
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Platform Grid */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.platform-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
}

.platform-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.platform-card h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.platform-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.platform-features {
    list-style: none;
    color: var(--text-secondary);
}

.platform-features li {
    padding: 8px 0;
    font-size: 16px;
}

/* CTA Section */
.cta {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 64px 32px;
    text-align: center;
    margin: 80px 0;
}

.cta-text {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.app-store-badges {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.app-store-badge {
    height: 60px;
    width: auto;
}

/* Content Pages */
.content-page {
    padding: 80px 0;
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 8px;
}

.last-updated {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 48px;
}

.content-section {
    margin-bottom: 48px;
}

.content-section h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.content-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.content-section p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.content-section ul {
    margin-left: 24px;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.content-section li {
    margin-bottom: 8px;
    line-height: 1.8;
}

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

.content-section a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    padding: 32px 0;
    margin-top: auto;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer p {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-nav {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: var(--text-primary);
}

.footer-nav span {
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 28px;
    }

    .nav {
        gap: 16px;
    }

    .nav-link {
        font-size: 14px;
    }

    .feature-grid,
    .screenshot-grid,
    .platform-grid {
        grid-template-columns: 1fr;
    }

    .footer .container {
        flex-direction: column;
        text-align: center;
    }

    .header .container {
        flex-direction: column;
        gap: 20px;
    }
}

/* Placeholder for images */
.screenshot-img {
    background: var(--bg-secondary);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
}

.screenshot-img::before {
    content: 'Screenshot wird geladen...';
}