:root {
    --primary-color: #e63946;
    --text-dark: #1d3557;
    --text-light: #457b9d;
    --background: #f8f9fa;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
}

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

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    animation: fadeIn 1s ease-in;
}

.logo {
    width: 150px;
    height: 150px;
    margin: 0 auto 2rem;
    display: block;
    border-radius: 24px;
    box-shadow: 0 10px 40px var(--shadow);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05) rotate(2deg);
}

.title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 300;
}

/* Content Section */
.content {
    background: var(--white);
    border-radius: 24px;
    padding: 3rem;
    margin: 2rem 0;
    box-shadow: 0 20px 60px var(--shadow);
}

.description {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature {
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background: var(--background);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature p {
    color: var(--text-light);
    font-size: 1rem;
}

/* CTA Section */
.cta {
    text-align: center;
    margin-top: 3rem;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary-color);
    color: var(--white);
    padding: 1.25rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.3);
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(230, 57, 70, 0.4);
    background: #d62839;
}

.appstore-button {
    background: #000000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.appstore-button:hover {
    background: #333333;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.play-icon,
.appstore-icon {
    width: 24px;
    height: 24px;
}

.support-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--text-light);
    color: var(--white);
    padding: 1.25rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(69, 123, 157, 0.3);
    margin-top: 1.5rem;
}

.support-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(69, 123, 157, 0.4);
    background: #3a6a88;
}

.support-icon {
    width: 24px;
    height: 24px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .logo {
        width: 120px;
        height: 120px;
    }

    .content {
        padding: 2rem 1.5rem;
    }

    .description {
        font-size: 1.1rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .download-button,
    .support-button {
        font-size: 1.1rem;
        padding: 1rem 2rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .container {
        padding: 1rem;
    }

    .hero {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .download-button,
    .support-button {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }
}
