* {
    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: #000;
    background-color: #fff;
}

header {
    padding: 20px 40px;
    border-bottom: 1px solid #e0e0e0;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #000;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.hero {
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.tagline {
    font-size: 20px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.5;
}

.cta-button {
    display: inline-block;
    padding: 16px 32px;
    background-color: #000;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    padding: 80px 20px;
    margin-bottom: 80px;
}

.feature {
    text-align: center;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    filter: grayscale(100%);
}

.feature h3 {
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: 600;
}

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

.platforms {
    text-align: center;
    padding: 80px 20px;
    background-color: #f8f8f8;
    margin: 0 -40px;
}

.platforms h2 {
    font-size: 36px;
    margin-bottom: 40px;
    font-weight: 600;
}

.platform-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.platform-item {
    padding: 10px 24px;
    border: 2px solid #000;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 500;
    background-color: #fff;
}

footer {
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: 14px;
    border-top: 1px solid #e0e0e0;
}

.footer-content {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 20px;
}

.footer-section h4 {
    margin-bottom: 8px;
    font-size: 16px;
    color: #333;
    font-weight: 600;
}

.footer-section p {
    margin: 0;
}

.footer-section a {
    color: #666;
    text-decoration: none;
}

.footer-section a:hover {
    color: #000;
    text-decoration: underline;
}

.privacy-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.privacy-container h1 {
    color: #000;
    margin-bottom: 10px;
    font-size: 36px;
}

.privacy-container h2 {
    color: #333;
    margin-top: 32px;
    margin-bottom: 16px;
    font-size: 20px;
}

.privacy-container h3 {
    color: #333;
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 18px;
    font-weight: 600;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 24px;
    color: #000;
}

.language-section {
    margin-bottom: 48px;
}

.language-divider {
    border: none;
    border-top: 2px solid #e0e0e0;
    margin: 60px 0;
}

.privacy-container section {
    margin-bottom: 24px;
}

.privacy-container ul {
    line-height: 1.8;
    margin-left: 20px;
    color: #666;
}

.privacy-container p {
    color: #666;
    line-height: 1.8;
}

.privacy-container a {
    color: #000;
}

.last-updated {
    color: #999;
    font-size: 14px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }

    main {
        padding: 0 20px;
    }

    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 40px;
    }

    .tagline {
        font-size: 18px;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 60px 20px;
    }

    .platforms {
        padding: 60px 20px;
        margin: 0 -20px;
    }

    .platforms h2 {
        font-size: 28px;
    }

    .platform-list {
        gap: 12px;
    }

    .platform-item {
        font-size: 14px;
        padding: 8px 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
    }
}