body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f8ff; /* Light Alice Blue - clean feel */
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #ff6600; /* Bright Orange */
    color: white;
    text-align: center;
    padding: 1em 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex; /* Use flexbox to align logo and title */
    align-items: center; /* Center items vertically */
    justify-content: center; /* Center items horizontally */
    gap: 10px; /* Reduced gap between logo and title */
}

.header-logo {
    height: 40px; /* Adjust height as needed */
    width: auto; /* Maintain aspect ratio */
}

header h1 {
    margin: 0;
    font-size: 1.5em; /* Reduced font size */
    white-space: nowrap; /* Prevent line breaks */
}

main {
    flex-grow: 1;
    padding: 15px;
    max-width: 600px; /* Limit width on larger screens */
    margin: 0 auto; /* Center content */
    width: 100%;
    box-sizing: border-box;
}

.promo {
    background-color: #ffffff; /* White background for the promo */
    border-radius: 15px;
    padding: 20px; /* Reduced padding */
    text-align: center;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.2); /* Orange shadow */
    margin-bottom: 20px; /* Reduced margin */
    border: 2px solid #ff6600; /* Orange border */
    position: relative; /* For the badge */
    max-width: 90%; /* Reduced width */
    margin: 0 auto; /* Center the promo */
}

.promo::before {
    content: '✔';
    position: absolute;
    top: -10px;
    right: -10px;
    background-color: #28a745; /* Green checkmark */
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.promo-image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    margin-bottom: 15px; /* Reduced margin */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.promo h2 {
    color: #ff6600; /* Orange for emphasis */
    font-size: 2em;
    margin-bottom: 10px; /* Reduced margin */
    font-weight: 700;
}

.price {
    font-size: 1.3em;
    color: #ff6600; /* Orange */
    margin: 5px 0;
}

.price-amount {
    font-size: 2.2em;
    font-weight: 700;
    color: #ff6600; /* Orange */
    margin: 10px 0 15px 0; /* Reduced margin */
}

.benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0; /* Reduced margin */
    text-align: left;
    display: inline-block; /* Center the list block */
}

.benefits li {
    font-size: 1.1em;
    margin-bottom: 8px; /* Reduced margin */
    color: #333;
}

.checkmark {
    color: #28a745; /* Green checkmark */
    font-weight: bold;
    margin-right: 8px;
}

.whatsapp-button {
    display: inline-flex; /* Use flexbox for icon and text alignment */
    align-items: center; /* Vertically center items */
    justify-content: center; /* Horizontally center items */
    background-color: #25D366; /* WhatsApp Green */
    color: white;
    padding: 10px 20px; /* Adjusted padding */
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.whatsapp-button:hover {
    background-color: #1EBE57; /* Darker Green on hover */
    transform: scale(1.05); /* Slight zoom effect */
}

.whatsapp-icon {
    width: 32px; /* Adjusted size */
    height: 32px;
    margin-right: 10px; /* Space between icon and text */
}

.services {
    background-color: #e9ecef; /* Light gray */
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 20px;
}

.services h3 {
    color: #ff6600; /* Orange */
    margin-top: 0;
}

footer {
    background-color: #343a40; /* Dark background */
    color: #f8f9fa; /* Light text */
    text-align: center;
    padding: 1em 0;
    font-size: 0.9em;
    margin-top: auto; /* Push footer to the bottom */
}

footer p {
    margin: 5px 0;
}

/* Responsive adjustments if needed, but it's mobile-first */
@media (min-width: 600px) {
    header h1 {
        font-size: 2em; /* Adjusted font size for larger screens */
    }
    .promo h2 {
        font-size: 2.5em;
    }
    .price {
        font-size: 1.5em;
    }
    .price-amount {
        font-size: 2.8em;
    }
    .benefits li {
        font-size: 1.2em;
    }
    .whatsapp-button {
        font-size: 1.3em;
    }
}