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

body {
    font-family: 'Outfit', 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-weight: 100;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.container {
    width: 100%;
    max-width: 900px;
}

/* Presentation Page */
.presentation-page {
    background: white;
    border-radius: 16px;
    padding: 50px 60px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.header {
    text-align: center;
    margin-bottom: 45px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f0f0f0;
}

.logo-icon {
    font-size: 80px;
    color: #667eea;
    display: block;
    margin-bottom: 20px;
}

.presentation-page h1 {
    font-family: 'Righteous', sans-serif;
    font-size: 56px;
    color: #000;
    margin-bottom: 12px;
    font-weight: 400;
}

.cash-text {
    color: #576bd7;
}

.subtitle {
    color: #666;
    font-size: 18px;
    font-weight: 300;
    margin-bottom: 15px;
}

.tagline {
    color: #764ba2;
    font-size: 16px;
    font-weight: 400;
    font-style: italic;
}

.intro-section {
    text-align: center;
    margin-bottom: 50px;
    padding: 25px 30px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.intro-section p {
    color: #333;
    font-size: 15px;
    line-height: 1.7;
    margin: 0;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.feature-item {
    text-align: center;
    padding: 25px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: white;
    border-color: #667eea;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.15);
}

.feature-icon {
    font-size: 45px;
    color: #667eea;
    display: block;
    margin-bottom: 12px;
}

.feature-item h3 {
    color: #000;
    font-size: 18px;
    margin-bottom: 6px;
    font-weight: 600;
}

.feature-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.how-to-buy-section {
    margin-bottom: 50px;
}

.how-to-buy-section h2 {
    font-family: 'Righteous', sans-serif;
    font-size: 26px;
    color: #000;
    text-align: center;
    margin-bottom: 35px;
    font-weight: 400;
}

.buy-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.buy-step {
    background: #f0f4ff;
    border-radius: 12px;
    padding: 24px 18px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

.buy-step:hover {
    background: white;
    border-color: #667eea;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
}

.step-icon {
    font-size: 38px;
    color: #667eea;
    display: block;
    margin-bottom: 10px;
}

.buy-step p {
    color: #333;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

.buy-step strong {
    color: #667eea;
    font-weight: 600;
}

.cta-section {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 50px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 16px;
    border: 2px solid rgba(102, 126, 234, 0.2);
}

.cta-content h2 {
    font-family: 'Righteous', sans-serif;
    color: #000;
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 400;
}

.balance-info {
    color: #666;
    margin-bottom: 20px;
    font-size: 15px;
}

.redeem-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    border: none;
    cursor: pointer;
}

.redeem-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.redeem-btn:active {
    transform: translateY(-1px);
}

.info-section {
    background: #f8f9fa;
    padding: 35px 40px;
    border-radius: 12px;
    border-left: 5px solid #667eea;
    margin-top: 30px;
}

.info-section h2 {
    font-family: 'Righteous', sans-serif;
    font-size: 22px;
    color: #000;
    margin-bottom: 22px;
    font-weight: 400;
}

.info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-list li {
    color: #333;
    font-size: 14px;
    line-height: 1.6;
    padding-left: 28px;
    position: relative;
}

.info-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 16px;
}

/* Redeem Form Page */
.redeem-page {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.form-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    position: relative;
}

.back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #f0f0f0;
    border-radius: 8px;
    color: #000;
    text-decoration: none;
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: #e0e0e0;
}

.form-header h1 {
    font-family: 'Righteous', sans-serif;
    font-size: 28px;
    color: #000;
    flex: 1;
    font-weight: 400;
}

.redeem-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    transition: all 0.2s ease;
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.coupon-section {
    padding: 25px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-radius: 12px;
    border: 2px solid #667eea;
    margin-bottom: 20px;
}

.coupon-section label {
    color: #667eea;
    font-weight: 600;
    font-size: 15px;
}

.coupon-input {
    border: 2px solid #667eea !important;
    font-size: 18px !important;
    padding: 15px 18px !important;
    font-weight: 500;
    text-align: center;
    letter-spacing: 2px;
}

.coupon-input:focus {
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2) !important;
}

.coupon-section small {
    color: #667eea;
    font-weight: 500;
}

.form-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #e0e0e0, transparent);
    margin: 30px 0;
}

.form-group small {
    color: #999;
    font-size: 12px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1;
    padding: 15px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

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

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.success-message {
    text-align: center;
    padding: 40px 20px;
    animation: slideIn 0.3s ease;
}

.success-message.hidden {
    display: none;
}

.approving-message {
    text-align: center;
    padding: 40px 20px;
    animation: slideIn 0.3s ease;
}

.approving-message.hidden {
    display: none;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.approving-message h2 {
    color: #667eea;
    font-family: 'Righteous', sans-serif;
    font-size: 24px;
    margin-bottom: 10px;
    font-weight: 400;
}

.approving-message p {
    color: #666;
    margin-bottom: 0;
    line-height: 1.6;
}

.error-message {
    text-align: center;
    padding: 40px 20px;
    animation: slideIn 0.3s ease;
}

.error-message.hidden {
    display: none;
}

.success-icon {
    font-size: 64px;
    color: #4caf50;
    display: block;
    margin-bottom: 15px;
}

.error-icon {
    font-size: 64px;
    color: #f44336;
    display: block;
    margin-bottom: 15px;
}

.success-message h2 {
    color: #4caf50;
    font-family: 'Righteous', sans-serif;
    font-size: 28px;
    margin-bottom: 15px;
    font-weight: 400;
}

.error-message h2 {
    color: #f44336;
    font-family: 'Righteous', sans-serif;
    font-size: 28px;
    margin-bottom: 15px;
    font-weight: 400;
}

.success-message p {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.error-message p {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.error-details {
    background: #fff3f3;
    border-left: 4px solid #f44336;
    border-radius: 8px;
    padding: 20px;
    margin: 25px 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.detail-label {
    color: #333;
    font-weight: 600;
    font-size: 14px;
}

.detail-value {
    color: #f44336;
    font-weight: 700;
    font-size: 16px;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    background: #f0f0f0;
    color: #000;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        max-width: 850px;
    }
    
    .presentation-page {
        padding: 45px 50px;
    }
    
    .features {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .buy-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 100%;
    }
    
    .presentation-page,
    .redeem-page {
        padding: 35px 25px;
        border-radius: 12px;
    }
    
    .presentation-page h1 {
        font-size: 40px;
    }
    
    .form-header h1 {
        font-size: 24px;
    }
    
    .logo-icon {
        font-size: 60px;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .buy-steps {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .redeem-btn {
        padding: 12px 28px;
        font-size: 15px;
    }
    
    .cta-section {
        padding: 30px 20px;
    }
    
    .info-section {
        padding: 25px 20px;
    }
}