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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
}

.logo h1 {
    color: white;
    font-weight: 700;
    font-size: 1.8rem;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    color: white;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Description Section */
.description {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    margin: 3rem auto;
    max-width: 800px;
    text-align: left;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.description p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.description ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.description li {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.description li:last-child {
    margin-bottom: 0;
}

/* Screenshot */
.screenshot {
    margin: 3rem 0;
}

#app-screenshot {
    max-width: 300px;
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s;
}

#app-screenshot:hover {
    transform: translateY(-5px);
}

/* Download Section */
.download-section {
    margin: 2rem 0;
}

.appstore-button {
    display: inline-block;
    transition: transform 0.3s;
}

.appstore-button:hover {
    transform: scale(1.05);
}

.appstore-button img {
    height: 60px;
    width: auto;
}

/* Footer */
footer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    margin: 2rem -20px -2rem;
    padding: 2rem 20px;
    border-radius: 20px 20px 0 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    color: white;
}

.footer-links a {
    color: white;
    text-decoration: none;
    margin-left: 1.5rem;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.8;
}

/* Policy Pages */
.policy-container {
    background: white;
    margin: 2rem auto;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 800px;
}

.policy-container h1 {
    color: #333;
    margin-bottom: 2rem;
    text-align: center;
}

.policy-container h2 {
    color: #667eea;
    margin: 2rem 0 1rem 0;
}

.policy-container p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.policy-container ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.policy-container li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav a {
        margin: 0 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    .description {
        padding: 1.5rem;
        margin: 2rem 0;
    }
    
    .description p, .description li {
        font-size: 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links a {
        margin: 0 0.75rem;
    }
    
    .policy-container {
        margin: 1rem;
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .description {
        padding: 1rem;
    }
    
    .description ul {
        padding-left: 1.5rem;
    }
}

.author-link {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.author-link:hover {
    border-bottom: 1px solid currentColor;
    opacity: 0.8;
}