body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background-color: #4a90e2;
    color: white;
    padding: 2rem;
    text-align: center;
}

.container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 1rem;
}

.drop-zone {
    border: 3px dashed #4a90e2;
    padding: 2rem;
    text-align: center;
    border-radius: 10px;
    background-color: #fff;
    transition: background-color 0.3s ease;
}

    .drop-zone:hover {
        background-color: #eef4fc;
    }

    .drop-zone input {
        display: none;
    }

.upload-btn {
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background-color: #4a90e2;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

    .upload-btn:hover {
        background-color: #3a78c2;
    }

.plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.plan {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid #ccc;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

    .plan:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .plan:active {
        transform: scale(0.98);
    }

footer {
    margin-top: 4rem;
    background-color: #4a90e2;
    color: white;
    text-align: center;
    padding: 1rem 0;
}

h2, h3 {
    color: #4a90e2;
}

.marketing-text {
    background: #e6f0ff;
    padding: 1rem;
    border-left: 4px solid #4a90e2;
    margin-top: 2rem;
}