/* ========================================
   Checkout Page Styles
   ======================================== */

.checkout-page {
    min-height: 100vh;
    padding: 100px 20px 40px;
}

.checkout-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

/* ========================================
   Order Summary (Left)
   ======================================== */
.order-summary {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 30px;
    position: sticky;
    top: 100px;
}

.summary-header {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.summary-header h2 {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.summary-header h2 i {
    color: var(--primary);
}

.course-preview {
    text-align: center;
    padding: 25px;
    background: linear-gradient(135deg, rgba(254, 44, 85, 0.1), rgba(37, 244, 238, 0.05));
    border-radius: var(--radius-lg);
    margin-bottom: 25px;
}

.course-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.course-preview h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.course-preview p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.course-includes {
    margin-bottom: 25px;
}

.course-includes h4 {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.course-includes ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.course-includes li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.course-includes li i {
    color: #10b981;
    font-size: 0.85rem;
}

.price-summary {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 20px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.price-row:last-child {
    margin-bottom: 0;
}

.price-row span {
    color: var(--text-secondary);
}

.price-old {
    text-decoration: line-through;
    color: var(--text-muted) !important;
}

.price-discount {
    color: #10b981 !important;
    font-weight: 600;
}

.price-row.total {
    padding-top: 15px;
    margin-top: 15px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.price-row.total span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.price-total {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.guarantee-box {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
}

.guarantee-box i {
    font-size: 1.5rem;
    color: #10b981;
}

.guarantee-box strong {
    display: block;
    color: #10b981;
    margin-bottom: 3px;
}

.guarantee-box p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* ========================================
   Payment Section (Right)
   ======================================== */
.payment-section {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 35px;
}

.payment-header {
    text-align: center;
    margin-bottom: 30px;
}

.payment-header h2 {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.payment-header h2 i {
    color: #32bcad;
}

.payment-header p {
    color: var(--text-muted);
}

/* Steps */
.checkout-step {
    animation: fadeIn 0.4s ease;
}

.checkout-step.hidden {
    display: none;
}

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

.step-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.step-number {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.step-header h3 {
    font-size: 1.2rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(254, 44, 85, 0.15);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.field-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* PIX Info */
.pix-info {
    background: rgba(50, 188, 173, 0.08);
    border: 1px solid rgba(50, 188, 173, 0.2);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 25px;
}

.pix-amount {
    text-align: center;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.pix-amount span {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.pix-amount strong {
    font-size: 2rem;
    color: #32bcad;
}

/* Nubank Link Section */
.pix-nubank-section {
    margin-bottom: 20px;
}

.nubank-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 20px;
    background: linear-gradient(135deg, #820ad1, #9b32e0);
    border-radius: var(--radius-lg);
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nubank-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.nubank-btn:hover::before {
    left: 100%;
}

.nubank-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(130, 10, 209, 0.4);
}

.nubank-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nubank-icon svg {
    width: 28px;
    height: 28px;
}

.nubank-text {
    flex: 1;
}

.nubank-text span {
    display: block;
    font-size: 0.8rem;
    opacity: 0.9;
}

.nubank-text strong {
    font-size: 1.1rem;
}

.nubank-btn > .fa-external-link-alt {
    font-size: 1rem;
    opacity: 0.8;
}

.nubank-hint {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 10px;
}

.pix-divider {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.pix-divider::before,
.pix-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.pix-key-section {
    margin-bottom: 20px;
}

.pix-key-section label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.pix-key-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
}

.pix-key-box span {
    flex: 1;
    font-family: monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
    word-break: break-all;
}

.copy-btn {
    padding: 8px 12px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.pix-key-type {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.pix-recipient {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.pix-recipient i {
    font-size: 2rem;
    color: #32bcad;
}

.pix-recipient span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.pix-recipient strong {
    font-size: 1rem;
}

.pix-instructions {
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.pix-instructions h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.pix-instructions h4 i {
    color: #32bcad;
}

.pix-instructions ol {
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pix-instructions li {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Confirmation */
.confirmation-info {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, rgba(254, 44, 85, 0.1), rgba(37, 244, 238, 0.05));
    border-radius: var(--radius-lg);
    margin-bottom: 25px;
}

.confirmation-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.2), rgba(255, 193, 7, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.confirmation-icon i {
    font-size: 2rem;
    color: #ffc107;
}

.confirmation-info h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.confirmation-info > p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.confirmation-info ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.confirmation-info li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-secondary);
}

.confirmation-info li i {
    color: var(--primary);
}

.confirmation-note {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(254, 44, 85, 0.15);
    border-radius: var(--radius-xl);
    color: var(--primary);
    font-size: 0.9rem;
}

.order-details {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
}

.order-details h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.order-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.order-detail-row:last-child {
    border-bottom: none;
}

.order-detail-row span {
    color: var(--text-muted);
}

.order-detail-row strong {
    color: var(--text-primary);
}

/* Security Badges */
.security-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.security-badges .badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.security-badges .badge i {
    color: #10b981;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 992px) {
    .checkout-container {
        grid-template-columns: 1fr;
    }
    
    .order-summary {
        position: static;
    }
}

@media (max-width: 576px) {
    .checkout-page {
        padding: 80px 15px 30px;
    }
    
    .order-summary,
    .payment-section {
        padding: 20px;
    }
    
    .pix-info {
        padding: 20px 15px;
    }
    
    .pix-amount strong {
        font-size: 1.6rem;
    }
    
    .security-badges {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .summary-header h2,
    .payment-header h2 {
        font-size: 1.2rem;
    }
    
    .course-preview h3 {
        font-size: 1.2rem;
    }
    
    .price-total {
        font-size: 1.3rem !important;
    }
    
    .step-header h3 {
        font-size: 1rem;
    }
    
    .nubank-btn {
        padding: 15px;
    }
    
    .nubank-icon {
        width: 40px;
        height: 40px;
    }
    
    .nubank-text strong {
        font-size: 1rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .order-details-grid {
        grid-template-columns: 1fr;
    }
    
    .confirmation-info {
        padding: 25px 15px;
    }
    
    .confirmation-icon {
        width: 60px;
        height: 60px;
    }
    
    .confirmation-icon i {
        font-size: 1.5rem;
    }
}