:root {
    --primary-color: #00FF7F;
    --primary-dark: #00CC66;
    --text-color: #333;
    --bg-color: #fff;
    --gray-light: #f5f5f5;
    --gray: #666;
    --max-width: 1200px;
}

* {
    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: var(--text-color);
}

/* Header & Navigation */
header {
    background: var(--bg-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.2rem;
    text-decoration: none;
    color: #000;
}

.logo img {
    border-radius: 8px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.3s ease;
}

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

/* Main Content */
main {
    
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gray-light) 0%, #fff 100%);
    padding: 4rem 1rem;
    text-align: center;
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-icon {
    width: 128px;
    height: 128px;
    border-radius: 24px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.stars {
    color: #FFD700;
    letter-spacing: 2px;
}

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

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

.download-button img {
    height: 60px;
}

/* Features Section */
.features {
    padding: 4rem 1rem;
    background: var(--bg-color);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.features-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
}

.feature-card {
    background: var(--gray-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-card h3 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

/* Screenshots Section */
.screenshots {
    padding: 4rem 1rem;
    background: var(--gray-light);
}

.screenshots h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.screenshot-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
}

.screenshot-grid img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.screenshot-grid img:hover {
    transform: scale(1.02);
}

/* Footer */
footer {
    background: var(--gray-light);
    padding: 2rem 1rem;
    text-align: center;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

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

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .features-grid,
    .screenshot-grid {
        grid-template-columns: 1fr;
    }
}