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

body {
    background-color: #0f172a;
    color: white;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    display: flex;
    justify-content: center;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #3b82f6;
}

h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.tagline {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 30px;
}

.input-section {
    margin-bottom: 40px;
}

input {
    width: 80%;
    padding: 15px;
    border-radius: 8px;
    border: none;
    font-size: 16px;
    background: #1e293b;
    color: white;
    transition: 0.3s;
}

input:focus {
    outline: 2px solid #3b82f6;
    background: #334155;
}

.buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 15px;
}

button {
    padding: 12px 20px;
    border-radius: 8px;
    border: none;
    background: #3b82f6;
    color: white;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    transition: 0.3s;
}

button:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

.display-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.card {
    background: #1e293b;
    padding: 15px;
    border-radius: 12px;
    min-height: 250px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.placeholder {
    margin-top: 20px;
    color: #64748b;
    font-size: 14px;
}

img, video {
    width: 100%;
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}

/* Mobile Responsive - SEO Critical */
@media (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .display-grid {
        grid-template-columns: 1fr;
    }
    
    input {
        width: 95%;
    }
    
    .buttons {
        flex-direction: column;
    }
    
    button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    
    input {
        padding: 12px;
        font-size: 14px;
    }
}