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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
}

.logo img {
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.3);
    border-radius: 4px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

.cta-button {
    background-color: white;
    color: #667eea;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: bold;
    transition: transform 0.3s;
}

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

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 6rem 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: white;
    color: #667eea;
    font-weight: bold;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: #667eea;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 4rem 0;
}

.features {
    background-color: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    background-color: #f0f0f0;
    border-radius: 5px;
}

.feature-card h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.screenshot {
    background-color: #f8f9fa;
    text-align: center;
}

.screenshot h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

.screenshot-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.screenshot-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: #e0e0e0;
    border-radius: 5px;
    margin-bottom: 1rem;
}

/* Page Content Styles */
.page-content {
    background-color: #f8f9fa;
    min-height: 60vh;
}

.page-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

.page-content h3 {
    color: #667eea;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.page-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 5px rgba(102, 126, 234, 0.3);
}

.submit-btn {
    background-color: #667eea;
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-btn:hover {
    background-color: #764ba2;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.download-section {
    text-align: center;
    margin-bottom: 3rem;
}

.download-box {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.download-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.download-box p {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #666;
}

.system-requirements {
    background-color: #f0f0f0;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.system-requirements h4 {
    color: #667eea;
    margin-bottom: 1rem;
}

.system-requirements ul {
    list-style-position: inside;
    line-height: 1.8;
}

.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    nav {
        flex-direction: column;
        gap: 1rem;
    }
}