/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header */
header {
    text-align: center;
    padding: 60px 0 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    margin-bottom: 40px;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

header h1 a {
    color: white;
    text-decoration: none;
}

header h1 a:hover {
    opacity: 0.8;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Hero section */
.hero {
    text-align: center;
    margin-bottom: 60px;
}

.app-icon {
    margin-bottom: 30px;
}

.icon-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 3rem;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.description {
    font-size: 1.1rem;
    color: #6c757d;
    max-width: 600px;
    margin: 0 auto 40px;
}

.download-section {
    margin-top: 40px;
}

.download-btn img {
    height: 60px;
    transition: transform 0.3s ease;
}

.download-btn:hover img {
    transform: scale(1.05);
}

/* Features section */
.features {
    margin-bottom: 60px;
}

.features h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.feature p {
    color: #6c757d;
    font-size: 0.95rem;
}

/* Screenshots section */
.screenshots {
    margin-bottom: 60px;
}

.screenshots h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.screenshot-placeholder {
    background: #e9ecef;
    height: 400px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-weight: 500;
    border: 2px dashed #ced4da;
}

/* Privacy policy content */
.privacy-content {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 60px;
}

.privacy-content h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 2rem;
}

.privacy-content h3 {
    color: #2c3e50;
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.privacy-content h4 {
    color: #495057;
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.privacy-content p {
    margin-bottom: 15px;
    color: #6c757d;
    line-height: 1.7;
}

.privacy-content ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.privacy-content li {
    margin-bottom: 8px;
    color: #6c757d;
}

.privacy-content a {
    color: #667eea;
    text-decoration: none;
}

.privacy-content a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
}

footer nav {
    margin-bottom: 20px;
}

footer nav a {
    color: white;
    text-decoration: none;
    margin: 0 20px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

footer nav a:hover {
    opacity: 1;
}

footer p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshot-grid {
        grid-template-columns: 1fr;
    }
    
    .privacy-content {
        padding: 30px 20px;
    }
    
    footer nav a {
        display: block;
        margin: 10px 0;
    }
}