body {
    background: linear-gradient(135deg, #0d0d0d, #1a1a2e);
    color: #ffffff;
    font-family: 'Arial', sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}
.container {
    max-width: 900px;
    margin: auto;
    padding: 20px;
    animation: fadeIn 1.5s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.title {
    font-size: 2.5rem;
    text-shadow: 0 0 10px cyan;
}
.description {
    font-size: 1.2rem;
    margin-bottom: 20px;
    opacity: 0.8;
}
.canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
    background: #001f3f;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
    margin-bottom: 20px;
    transition: transform 0.3s ease-in-out;
}
.canvas-container:hover {
    transform: scale(1.05);
}
.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}
.button {
    background: #007bff;
    color: white;
    text-decoration: none;
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 1rem;
    transition: 0.3s;
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.4s;
}
.button:hover::before {
    left: 100%;
}
.button:hover {
    background: #0056b3;
    transform: scale(1.05);
}
@media (max-width: 600px) {
    .title {
        font-size: 2rem;
    }
    .description {
        font-size: 1rem;
    }
}