body {
    font-family: Inter, Arial, sans-serif;
    background: #fafafa;
    margin: 0;
    padding: 40px;
    text-align: center;
}

.main-logo-container {
    width: min(560px, 92vw);
    margin: 0 auto 40px;
}

.main-logo {
    width: 100%;
    height: auto;
    max-height: 260px;
    object-fit: contain;
    object-position: center;
    display: block;
    max-width: 100%;
    margin: 0 auto;
}

.puzzle-container {
    display: grid;
    grid-template-columns: repeat(3, 200px);
    gap: 20px;
    justify-content: center;
}

.puzzle-piece {
    background: #fff;
    border: 3px solid #ccc;
    border-radius: 20px;
    padding: 30px;
    font-size: 20px;
    text-decoration: none;
    color: #333;
    transition: 0.2s;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.puzzle-piece:hover {
    border-color: #7dbf2d;
    transform: translateY(-4px);
    box-shadow: 0 6px 14px rgba(0,0,0,0.1);
}

/* Responzivní design */
@media (max-width: 768px) {
    .puzzle-container {
        grid-template-columns: repeat(2, 180px);
        gap: 10px;
    }
    
    .puzzle-piece {
        font-size: 16px;
        padding: 20px 15px;
    }
}

@media (max-width: 480px) {
    .main-logo-container {
        width: min(320px, 92vw);
        margin-bottom: 24px;
    }

    .main-logo {
        max-height: 180px;
    }

    .puzzle-container {
        grid-template-columns: 1fr;
        max-width: 200px;
    }
    
    .puzzle-piece {
        font-size: 18px;
        padding: 25px 20px;
    }
}