* {
    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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

header {
    padding: 40px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo h1 {
    color: white;
    font-size: 32px;
    font-weight: 700;
}

main {
    background: white;
    border-radius: 24px;
    padding: 60px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 48px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.2;
}

.subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 60px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.feature {
    text-align: center;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.feature p {
    color: #666;
    font-size: 16px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #4CAF50;
    color: white;
    padding: 18px 36px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.cta-button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.beta-notice {
    margin-top: 40px;
    padding: 20px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    color: #856404;
    font-size: 14px;
    line-height: 1.6;
}

.about {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 2px solid #f0f0f0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.about h3 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 24px;
}

.about p {
    color: #666;
    font-size: 16px;
    margin-bottom: 16px;
}

footer {
    text-align: center;
    padding: 40px 0;
    color: white;
}

footer p {
    margin-bottom: 8px;
}

footer a {
    color: white;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: border-color 0.3s ease;
}

footer a:hover {
    border-bottom-color: white;
}

.small {
    font-size: 14px;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .hero h2 {
        font-size: 36px;
    }

    .subtitle {
        font-size: 18px;
    }

    main {
        padding: 40px 24px;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
    }
}