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

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

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #0A0F2C;
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo {
    height: 50px;
    display: block;
}

/* Main */
.main {
    padding: 40px 0;
}

/* Hero Section */
.hero {
    background: white;
    padding: 60px 20px;
    text-align: center;
    border-radius: 8px;
    margin-bottom: 40px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.hero h1 {
    font-size: 2.5rem;
    color: #0A0F2C;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 15px;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    color: #0A0F2C;
    margin: 30px 0 !important;
}

.btn-primary {
    background: #0A0F2C;
    color: white;
    padding: 18px 40px;
    font-size: 1.2rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(10, 15, 44, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(10, 15, 44, 0.4);
}

.digital-notice {
    margin-top: 20px !important;
    font-size: 1rem !important;
    color: #e67700;
    font-weight: 600;
}

/* Features Section */
.features {
    background: white;
    padding: 40px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.features h2 {
    font-size: 2rem;
    color: #0A0F2C;
    margin-bottom: 30px;
    text-align: center;
}

.features-list {
    list-style: none;
    margin-bottom: 40px;
}

.features-list li {
    font-size: 1.2rem;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    color: #333;
}

.features-list li:last-child {
    border-bottom: none;
}

.digital-info {
    background: #fff9e6;
    border: 2px solid #e67700;
    border-radius: 8px;
    padding: 30px;
    margin-top: 40px;
}

.digital-info h3 {
    color: #0A0F2C;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.digital-info p {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.digital-info p strong {
    color: #e67700;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: #0A0F2C;
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-top: 60px;
}

.footer p {
    margin: 5px 0;
    opacity: 0.8;
}

/* Checkout Page */
.checkout-container {
    max-width: 600px;
    margin: 40px auto;
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.checkout-container h1 {
    color: #0A0F2C;
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: #0A0F2C;
}

.order-summary {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 4px;
    margin: 30px 0;
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

.order-total {
    display: flex;
    justify-content: space-between;
    padding: 20px 0 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: #0A0F2C;
}

.payment-element {
    margin: 30px 0;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.btn-checkout {
    width: 100%;
    background: #0A0F2C;
    color: white;
    padding: 15px;
    font-size: 1.1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    margin-top: 20px;
}

.btn-checkout:hover {
    background: #1a2456;
}

.digital-notice-checkout {
    background: #fff9e6;
    border-left: 4px solid #e67700;
    padding: 15px;
    margin: 20px 0;
    color: #333;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .price {
        font-size: 2rem;
    }
    
    .btn-primary {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .checkout-container {
        padding: 20px;
    }
}