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

html, body {
    height: 100%;
    margin: 0;
}

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;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 30px;
}

header {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-links {
    display: flex;
    gap: 30px;
}

.header-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.header-links a:hover {
    color: #fff;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    padding: 60px 0;
    align-items: center;
}

.left-section {
    color: #fff;
}

.app-icon {
    width: 100px;
    height: 100px;
    border-radius: 22px;
    margin-bottom: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.app-name {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 15px;
}

.tagline {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
}

.description {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
    line-height: 1.7;
}

.google-play-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    color: #333;
    padding: 14px 28px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.google-play-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.google-play-btn svg {
    width: 24px;
    height: 24px;
}

.right-section {
    display: flex;
    justify-content: flex-end;
}

.hero-image {
    width: 100%;
    max-width: 520px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

footer {
    text-align: center;
    padding: 30px 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

footer p {
    display: inline-block;
    margin: 0 15px;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #fff;
    text-decoration: underline;
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .right-section {
        justify-content: center;
        order: -1;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .google-play-btn {
        justify-content: center;
    }
}