/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
    background-color: #1a1a1a;
    background-attachment: fixed;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #1a1a1a;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
}

.app-showcase {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.app-icon {
    margin-bottom: 2rem;
    filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.15));
}

.app-icon img {
    width: 160px;
    height: 160px;
    object-fit: cover;
}

.app-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: #1d1d1f;
    letter-spacing: -0.02em;
}

.app-tagline {
    font-size: 1.2rem;
    color: #6e6e73;
    margin-bottom: 2.5rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.app-store-button {
    display: inline-block;
    transition: transform 0.2s ease;
    text-decoration: none;
}

.app-store-button:hover {
    transform: scale(1.05);
}

.app-store-button:active {
    transform: scale(0.98);
}

.app-store-button img {
    height: 60px;
    width: auto;
}

.privacy-link {
    margin-top: 2rem;
}

.privacy-link a {
    color: #6e6e73;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.privacy-link a:hover {
    color: #007AFF;
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .app-showcase {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    .app-icon img {
        width: 130px;
        height: 130px;
    }
    
    .app-name {
        font-size: 2rem;
    }
    
    .app-tagline {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .app-store-button img {
        height: 50px;
    }
}

@media (max-width: 480px) {
    .app-showcase {
        padding: 1.5rem 1rem;
    }
    
    .app-icon img {
        width: 110px;
        height: 110px;
    }
    
    .app-name {
        font-size: 1.8rem;
    }
    
    .app-tagline {
        font-size: 1rem;
    }
    
    .app-store-button img {
        height: 45px;
    }
}

/* Loading state for app icon */
.app-icon img[src="app-icon.png"] {
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    background-size: 200% 200%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% -200%; }
    100% { background-position: 200% 200%; }
}