* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #0a0e27;
    min-height: 100vh;
    padding: 20px;
    color: #ffffff;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: #0d1226;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 1px rgba(255, 255, 255, 0.1);
    overflow: hidden;
    border: 1px solid #1a2240;
}

header {
    background: #0a0e27;
    color: #ffffff;
    padding: 40px 40px;
    text-align: center;
    border-bottom: 1px solid #1a2240;
}

header h1 {
    font-size: 3em;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.subtitle {
    font-size: 1.5em;
    font-weight: 300;
    font-style: italic;
    opacity: 0.9;
    color: #ffffff;
}

main {
    padding: 40px;
    color: #ffffff;
}

.instructions {
    margin-bottom: 40px;
}

.instructions h2 {
    text-align: center;
    font-size: 2em;
    margin-bottom: 40px;
    color: #ffffff;
}

.step {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: #0d1226;
    border-radius: 4px;
    border-left: 3px solid #0052ff;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

.step:hover {
    background: #151b35;
    transform: translateX(5px);
    box-shadow: 0 8px 24px rgba(0, 82, 255, 0.3), 0 0 1px rgba(0, 82, 255, 0.8);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: #0052ff;
    color: white;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: 700;
    box-shadow: 0 6px 16px rgba(0, 82, 255, 0.6), 0 0 1px rgba(0, 82, 255, 0.8);
}

.step-content h3 {
    font-size: 1.4em;
    color: #ffffff;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 1.05em;
    line-height: 1.6;
    color: #b8c5d6;
}

.wallet-address-inline {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.wallet-address-inline input {
    flex: 1;
    min-width: 200px;
    padding: 12px;
    font-size: 0.95em;
    font-family: 'Courier New', monospace;
    border: 2px solid #2c4a6e;
    border-radius: 2px;
    background: #1a2942;
    color: #e0e0e0;
    word-break: break-all;
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.4);
}

.copy-btn-small {
    padding: 12px 20px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 2px;
    font-size: 0.9em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.6), 0 0 1px rgba(37, 99, 235, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.copy-btn-small:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.8), 0 0 2px rgba(37, 99, 235, 1);
}

.copy-message-small {
    font-size: 0.9em;
    color: #60a5fa;
    font-weight: 600;
    margin-top: 8px;
    min-height: 18px;
    width: 100%;
}

.wallet-address-section {
    margin-top: 50px;
    padding: 30px;
    background: #0d1226;
    border-radius: 4px;
    border: 2px solid #0052ff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7), 0 0 1px rgba(0, 82, 255, 0.5);
}

.wallet-address-section h3 {
    text-align: center;
    font-size: 1.6em;
    color: #ffffff;
    margin-bottom: 10px;
}

.wallet-address-section > p {
    text-align: center;
    font-size: 1.1em;
    color: #ffffff;
    margin-bottom: 20px;
}

.wallet-address-section-compact {
    margin-top: 30px;
    padding: 20px;
    background: #0d1226;
    border-radius: 4px;
    border: 2px solid #0052ff;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.7), 0 0 1px rgba(0, 82, 255, 0.5);
}

.wallet-instruction {
    text-align: center;
    font-size: 1.1em;
    color: #ffffff;
    margin-bottom: 15px;
}

.wallet-instruction strong {
    font-weight: 700;
    color: #ffffff;
}

.wallet-address {
    background: #0a0e27;
    border: 2px solid #0052ff;
    border-radius: 4px;
    padding: 20px;
    margin: 20px 0;
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
}

#walletAddress, #walletAddressTop {
    flex: 1;
    min-width: 200px;
    padding: 15px;
    font-size: 1em;
    font-family: 'Courier New', monospace;
    border: 2px solid #1a2240;
    border-radius: 2px;
    background: #0d1226;
    color: #ffffff;
    word-break: break-all;
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.4);
}

.copy-btn {
    padding: 15px 30px;
    background: #0052ff;
    color: white;
    border: none;
    border-radius: 2px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 82, 255, 0.6), 0 0 1px rgba(0, 82, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.copy-btn:hover {
    background: #0040c7;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 82, 255, 0.8), 0 0 2px rgba(0, 82, 255, 1);
}

.copy-btn:active {
    transform: translateY(0);
}

.copy-message {
    text-align: center;
    color: #0052ff;
    font-weight: 600;
    margin-top: 10px;
    min-height: 20px;
}

.payment-options {
    margin: 50px 0;
}

.payment-options h2 {
    text-align: center;
    font-size: 2em;
    margin-bottom: 30px;
    color: #ffffff;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.platform-card {
    background: linear-gradient(135deg, #1e3a5f 0%, #2c4a6e 100%);
    color: #e0e0e0;
    padding: 30px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6), 0 0 1px rgba(61, 122, 184, 0.3);
    display: block;
    border: 1px solid #3d7ab8;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(61, 122, 184, 0.6), 0 0 2px rgba(61, 122, 184, 0.8);
    background: linear-gradient(135deg, #2c4a6e 0%, #3d5a7f 100%);
    border-color: #60a5fa;
}

/* MoonPay - Purple */
.moonpay-card {
    background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
    border-color: #a78bfa;
}

.moonpay-card:hover {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    border-color: #c4b5fd;
    box-shadow: 0 12px 32px rgba(124, 58, 237, 0.6), 0 0 2px rgba(167, 139, 250, 0.8);
}

/* Coinbase - Blue */
.coinbase-card {
    background: linear-gradient(135deg, #0052ff 0%, #0040c7 100%);
    border-color: #4285f4;
}

.coinbase-card:hover {
    background: linear-gradient(135deg, #1a66ff 0%, #0052ff 100%);
    border-color: #669df6;
    box-shadow: 0 12px 32px rgba(0, 82, 255, 0.6), 0 0 2px rgba(66, 133, 244, 0.8);
}

/* Bitcoin.com - Orange */
.bitcoin-card {
    background: linear-gradient(135deg, #f7931a 0%, #d67e15 100%);
    border-color: #faa836;
}

.bitcoin-card:hover {
    background: linear-gradient(135deg, #faa836 0%, #f7931a 100%);
    border-color: #ffc164;
    box-shadow: 0 12px 32px rgba(247, 147, 26, 0.6), 0 0 2px rgba(250, 168, 54, 0.8);
}

/* Cash App - Green */
.cashapp-card {
    background: linear-gradient(135deg, #00d632 0%, #00a826 100%);
    border-color: #00f542;
}

.cashapp-card:hover {
    background: linear-gradient(135deg, #00f542 0%, #00d632 100%);
    border-color: #4dff7a;
    box-shadow: 0 12px 32px rgba(0, 214, 50, 0.6), 0 0 2px rgba(0, 245, 66, 0.8);
}

/* RockItCoin - Blue/Red */
.rockitcoin-card {
    background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
    border-color: #3399ff;
}

.rockitcoin-card:hover {
    background: linear-gradient(135deg, #3399ff 0%, #0066cc 100%);
    border-color: #66b3ff;
    box-shadow: 0 12px 32px rgba(0, 102, 204, 0.6), 0 0 2px rgba(51, 153, 255, 0.8);
}

/* Paybis - Teal/Blue */
.paybis-card {
    background: linear-gradient(135deg, #00bcd4 0%, #0097a7 100%);
    border-color: #26c6da;
}

.paybis-card:hover {
    background: linear-gradient(135deg, #26c6da 0%, #00bcd4 100%);
    border-color: #4dd0e1;
    box-shadow: 0 12px 32px rgba(0, 188, 212, 0.6), 0 0 2px rgba(38, 198, 218, 0.8);
}

.platform-name {
    font-size: 1.5em;
    font-weight: 700;
    margin-bottom: 10px;
}

.platform-card p {
    font-size: 0.95em;
    opacity: 0.9;
}

.disclaimer {
    background: #1a2942;
    border: 2px solid #fbbf24;
    border-radius: 4px;
    padding: 25px;
    margin-top: 40px;
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.2), 0 0 1px rgba(251, 191, 36, 0.4);
}

.disclaimer h3 {
    color: #fbbf24;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.disclaimer ul {
    margin-left: 20px;
}

.disclaimer li {
    color: #d1d5db;
    margin-bottom: 10px;
    line-height: 1.6;
}

footer {
    background: #0a0e27;
    text-align: center;
    padding: 20px;
    color: #9ca3af;
    border-top: 1px solid #1a2240;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    
    .subtitle {
        font-size: 1.2em;
    }
    
    main {
        padding: 20px;
    }
    
    .wallet-address {
        flex-direction: column;
    }
    
    .copy-btn {
        width: 100%;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
}