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

:root {
    --primary: #E7EA67;
    --primary-dark: #D4D755;
    --bg-white: #FFFFFF;
    --bg-secondary: #F5F5F5;
    --text-black: #000000;
    --text-secondary: #6B6B6B;
    --text-tertiary: #9CA3AF;
    --border-black: #000000;
    --border-light: #D1D5DB;
    --error: #DC2626;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-black);
    background: var(--bg-white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
nav {
    border-bottom: 2px solid var(--border-black);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 48px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--text-black);
    text-decoration: none;
    font-size: 14px;
}

.nav-links a:hover {
    text-decoration: underline;
}

/* Main Content */
main {
    flex: 1;
}

/* Hero Section */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    text-align: center;
}

.hero-header {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-logo {
    height: 80px;
    width: auto;
    flex-shrink: 0;
}

.hero-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
}

.hero-text h1 {
    margin: 0;
    line-height: 1.2;
}

.hero-text .tagline {
    margin: 0;
    font-size: 18px;
    font-style: italic;
    color: var(--text-secondary);
}

h2 {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-black);
    margin-bottom: 16px;
}

h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 8px;
}

.tagline {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-style: italic;
}

.description {
    font-size: 18px;
    color: var(--text-black);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Screenshots Gallery */
.screenshots {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
    margin: 40px 0;
}

.screenshot-item {
    width: 100%;
    max-width: 350px;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    border: 2px solid var(--border-black);
    border-radius: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Download Buttons */
.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    margin-top: 40px;
}

.app-store-button {
    display: inline-block;
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.app-store-button img {
    width: 180px;
    height: auto;
    display: block;
}

.app-store-button:not(.disabled) {
    opacity: 1;
    cursor: pointer;
    pointer-events: auto;
}

.app-store-button:not(.disabled):hover {
    opacity: 0.8;
}

/* Features Section */
.features {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}

.features h2 {
    text-align: center;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature {
    text-align: center;
}

.feature-icon {
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding: 8px 12px;
    border: 2px solid var(--border-black);
    display: inline-block;
}

.feature h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

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

/* Page Content (Impressum, Datenschutz) */
.page-content {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.page-content h1 {
    margin-bottom: 30px;
}

.page-content section {
    margin-top: 40px;
}

.page-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
    margin-top: 0;
}

.page-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    margin-top: 24px;
}

.page-content p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.page-content a {
    color: var(--text-black);
    text-decoration: underline;
}

.page-content a:hover {
    color: var(--text-secondary);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 40px 20px;
    text-align: center;
    border-top: 2px solid var(--border-black);
    margin-top: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-black);
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    text-decoration: underline;
}

.copyright {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Responsive */
@media (min-width: 768px) {
    .hero-text h1 {
        font-size: 64px;
    }
    
    .hero-text .tagline {
        font-size: 22px;
    }
    
    .hero-logo {
        height: 100px;
    }
    
    .hero-header {
        align-items: center;
    }
    
    .download-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero {
        padding: 80px 20px;
    }

    .screenshots {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (min-width: 1024px) {
    .screenshots {
        flex-direction: row;
        justify-content: center;
    }
}