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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        /* Header */
        header {
            background-color: #0066CC;
            color: white;
            padding: 1rem;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            text-align: center;
        }

        /* Container */
        .container {
            max-width: 600px;
            margin: 0 auto;
            background: white;
            min-height: 100vh;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #0066CC 0%, #0052a3 100%);
            color: white;
            padding: 2rem 1.5rem;
            text-align: center;
        }

        .hero h1 {
            font-size: 1.75rem;
            margin-bottom: 0.5rem;
        }

        .hero p {
            font-size: 1rem;
            opacity: 0.95;
        }

        /* Content Section */
        .content {
            padding: 1.5rem;
        }

        .section {
            margin-bottom: 2rem;
        }

        .section h2 {
            color: #0066CC;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }

        /* Gift Card Preview */
        .gift-card-preview {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            margin: 2rem 0;
            position: relative;
            aspect-ratio: 16/9;
            background: linear-gradient(135deg, #0066CC 0%, #00d4ff 100%);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 1.5rem;
            color: white;
        }

        .gift-card-logo {
            font-size: 1.5rem;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .gift-card-message {
            text-align: center;
            font-size: 1.1rem;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
            min-height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .gift-card-value {
            text-align: right;
            font-size: 2rem;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        /* Trust Badges */
        .trust-badge {
            background-color: #f0f7ff;
            border-left: 4px solid #0066CC;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 4px;
        }

        .trust-badge h3 {
            color: #0066CC;
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }

        /* Buttons */
        .btn {
            display: block;
            width: 100%;
            padding: 1rem;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            text-decoration: none;
        }

        .btn-primary {
            background-color: #0066CC;
            color: white;
        }

        .btn-primary:hover {
            background-color: #0052a3;
        }

        /* Footer */
        footer {
            background-color: #f8f9fa;
            padding: 2rem 1.5rem;
            text-align: center;
            color: #666;
            font-size: 0.9rem;
        }

        /* Amount Selection */
        .amount-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .amount-option {
            border: 2px solid #ddd;
            border-radius: 8px;
            padding: 1rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.2s;
        }

        .amount-option:hover {
            border-color: #0066CC;
            background-color: #f0f7ff;
        }

        .amount-option.selected {
            border-color: #0066CC;
            background-color: #e6f0ff;
            font-weight: bold;
        }

        .amount-value {
            font-size: 1.25rem;
            font-weight: bold;
            color: #0066CC;
        }

        .amount-label {
            font-size: 0.85rem;
            color: #666;
        }

        /* Template Selection */
        .template-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .template-option {
            aspect-ratio: 16/9;
            border-radius: 8px;
            overflow: hidden;
            border: 3px solid transparent;
            cursor: pointer;
            transition: transform 0.2s;
        }

        .template-option:hover {
            transform: scale(1.05);
        }

        .template-option.selected {
            border-color: #0066CC;
        }

        .template-preview {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
        }

        /* Form Elements */
        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .char-counter {
            text-align: right;
            font-size: 0.85rem;
            color: #666;
        }

        /* Payment Methods */
        .payment-card {
            border: 3px solid #ddd;
            border-radius: 12px;
            padding: 1.25rem;
            margin-bottom: 1rem;
            cursor: pointer;
            transition: all 0.3s;
        }

        .payment-card:hover {
            border-color: #0066CC;
        }

        .payment-card.selected {
            border-color: #0066CC;
            background-color: #f0f7ff;
        }

        .payment-card-header {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .payment-icon {
            font-size: 2rem;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f8f9fa;
            border-radius: 8px;
        }

        .payment-card-title {
            font-size: 1.1rem;
            font-weight: bold;
        }

        .payment-details {
            display: none;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 2px solid #e9ecef;
        }

        .payment-details.active {
            display: block;
        }

        /* Secondary Button */
        .btn-secondary {
            background-color: #6c757d;
            color: white;
            margin-top: 0.5rem;
        }

        /* Payment Summary */
        .payment-summary {
            background-color: #f8f9fa;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-radius: 8px;
        }

        .summary-row {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px solid #ddd;
        }

        .summary-row:last-child {
            border-bottom: none;
            font-weight: bold;
            font-size: 1.2rem;
            padding-top: 1rem;
        }

        /* Page Visibility */
        .page {
            display: none;
        }

        .page.active {
            display: block;
        }

        /* Success Page Styles */
        .success-icon {
            text-align: center;
            font-size: 4rem;
            color: #28a745;
            margin: 2rem 0;
        }

        .success-message {
            text-align: center;
            padding: 2rem 1.5rem;
        }

        .success-message h2 {
            color: #28a745;
            margin-bottom: 1rem;
        }

        .info-box {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }

        .info-box h3 {
            color: #0066CC;
            margin-bottom: 0.75rem;
        }

        .gift-card-code {
            background-color: #fff;
            border: 2px dashed #0066CC;
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            margin: 1.5rem 0;
        }

        .code {
            font-size: 1.5rem;
            font-weight: bold;
            color: #0066CC;
            letter-spacing: 2px;
            margin: 1rem 0;
        }