:root {
    --primary-color: #4A90E2;
    --secondary-color: #2C3E50;
    --background-color: #F5F6FA;
    --text-color: #333333;
}

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

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem 1rem 6rem;
    text-align: center;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

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

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

.hero-content {
    max-width: 800px;
    margin: 4rem auto;
}

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

.tagline {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
}

main {
    max-width: 1200px;
    margin: -3rem auto 0;
    padding: 0 1rem;
}

.features {
    background: white;
    border-radius: 10px;
    padding: 3rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
    background: var(--background-color);
}

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

.download {
    text-align: center;
    padding: 4rem 0;
}

.download h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.download p {
    color: var(--text-color);
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.store-badge {
    height: 48px;
    transition: opacity 0.3s ease;
}

.store-badge:hover {
    opacity: 0.8;
}

.coming-soon {
    color: var(--secondary-color);
    font-style: italic;
    opacity: 0.8;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--secondary-color);
    background-color: white;
    margin-top: 4rem;
}

.scenarios {
    background: white;
    border-radius: 10px;
    padding: 3rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.scenarios h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

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

.scenario-card {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
    background: var(--background-color);
    transition: transform 0.3s ease;
}

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

.scenario-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.scenario-card p {
    color: var(--text-color);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .features {
        padding: 2rem 1rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-image {
        width: 32px;
        height: 32px;
    }
}