/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Header styling */
header {
    background: #111;
    color: #fff;
    padding: 20px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
}

nav ul li a:hover {
    text-decoration: underline;
}

/* Main content */
.intro {
    text-align: center;
    margin: 40px 0;
}

.intro h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* Product Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.card-image {
    background: #eee;
    height: 200px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.price {
    color: #f7931a; /* BTC Orange */
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.description {
    font-size: 0.9rem;
    color: #666;
}

/* Payment & Contact Section */
.payment-contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    border: 1px solid #eee;
    margin-bottom: 60px;
}

@media(max-width: 768px) {
    .payment-contact {
        grid-template-columns: 1fr;
    }
}

.payment-box h3, .contact-box h3 {
    margin-bottom: 15px;
}

.wallet-address {
    background: #f1f1f1;
    padding: 15px;
    border-radius: 4px;
    margin-top: 15px;
    word-break: break-all;
    border-left: 4px solid #f7931a;
}

.xmpp-handle {
    background: #f1f1f1;
    padding: 15px;
    border-radius: 4px;
    margin-top: 15px;
    border-left: 4px solid #111;
}

/* Footer styling */
footer {
    text-align: center;
    padding: 30px;
    background: #111;
    color: #fff;
    font-size: 0.9rem;
}