/* Enhanced SaaS App Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Business Header */
.business-header {
    background: #0f172a;
    padding: 16px 0;
    border-bottom: 3px solid #10b981;
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
}

.logo-text span {
    font-size: 0.75rem;
    color: #10b981;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.brand-tagline {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.brand-tagline p {
    color: #cbd5e1;
    font-size: 0.95rem;
    font-weight: 500;
}

.demo-badge {
    background: #10b981;
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 100px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.trust-line {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 6px rgba(16, 185, 129, 0.2);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #0f172a;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 16px 32px;
    background: #10b981;
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(16, 185, 129, 0.2);
}

.cta-button:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(16, 185, 129, 0.3);
}

.cta-button.large {
    padding: 20px 48px;
    font-size: 1.25rem;
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: #0f172a;
}

/* Products Section */
.products {
    padding: 100px 0;
    background: #ffffff;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
}

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #ef4444;
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

.product-badge.limited-offer {
    background: #f59e0b;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 1.5rem;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #0f172a;
}

.product-price {
    font-size: 1.75rem;
    font-weight: 800;
    color: #10b981;
    margin-bottom: 1rem;
}

.order-btn {
    width: 100%;
    padding: 14px 20px;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.order-btn:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.3);
}

/* Differentiation Section */
.differentiation {
    padding: 100px 0;
    background: #f8fafc;
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.diff-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-top: 4px solid #10b981;
}

.diff-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.diff-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.diff-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1rem;
}

.diff-card p {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: #ffffff;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.benefit-card:hover {
    background: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    color: #64748b;
    font-size: 0.95rem;
}

/* Final CTA */
.final-cta {
    padding: 120px 0;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    text-align: center;
}

.cta-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
}

.final-cta .cta-button {
    background: white;
    color: #10b981;
}

.final-cta .cta-button:hover {
    background: #f8fafc;
    color: #059669;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #64748b;
    transition: color 0.2s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.close-btn:hover {
    color: #0f172a;
    background: #f1f5f9;
}

.modal-body {
    padding: 1.5rem;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #059669);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 14.28%;
}

.step-indicator {
    text-align: center;
    font-size: 0.875rem;
    color: #64748b;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* Step Content */
.step-content {
    animation: fadeIn 0.3s ease;
}

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

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

/* Selected Product Display */
.selected-product {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    text-align: center;
    border: 2px solid #10b981;
}

.selected-product h4 {
    color: #64748b;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.selected-product-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 0.25rem;
}

.selected-product-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: #10b981;
}

/* Input Styles */
.input-label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0.75rem;
}

.input-field {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    margin-bottom: 1.5rem;
}

.input-field:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-field.textarea {
    min-height: 100px;
    resize: vertical;
}

/* Step Buttons */
.step-actions {
    display: flex;
    gap: 1rem;
}

.step-btn {
    flex: 1;
    padding: 14px 20px;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.step-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

.step-btn.secondary {
    background: #f1f5f9;
    color: #64748b;
}

.step-btn.secondary:hover {
    background: #e2e8f0;
    color: #0f172a;
}

/* Referral Options */
.referral-options {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.referral-btn {
    flex: 1;
    padding: 16px 20px;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.referral-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

.referral-btn.secondary {
    background: #f1f5f9;
    color: #64748b;
}

.referral-btn.secondary:hover {
    background: #e2e8f0;
    color: #0f172a;
}

.discount-note {
    background: #d1fae5;
    color: #065f46;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Order Summary */
.summary-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1rem;
    text-align: center;
}

.summary-box {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #e2e8f0;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.summary-item span:first-child {
    color: #64748b;
    font-weight: 500;
}

.summary-item span:last-child {
    color: #0f172a;
    font-weight: 600;
    text-align: right;
}

.discount-row {
    color: #10b981;
}

.discount-amount {
    color: #10b981;
    font-weight: 700;
}

.total-row {
    border-top: 2px solid #e2e8f0;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    font-size: 1.1rem;
}

.total-price {
    color: #10b981;
    font-weight: 800;
    font-size: 1.25rem;
}

.no-referral-msg {
    background: #fef3c7;
    color: #92400e;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 500;
    font-size: 0.95rem;
}

/* WhatsApp Send Button */
.whatsapp-send-btn {
    width: 100%;
    padding: 16px 20px;
    background: #25d366;
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 1rem;
}

.whatsapp-send-btn:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.whatsapp-icon {
    font-size: 1.25rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .business-header {
        padding: 12px 0;
    }
    
    .brand-info {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .logo-text h1 {
        font-size: 1.25rem;
    }
    
    .brand-tagline {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .brand-tagline p {
        font-size: 0.875rem;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .products,
    .differentiation,
    .benefits {
        padding: 60px 0;
    }
    
    .product-grid,
    .diff-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .diff-card,
    .benefit-card {
        padding: 1.5rem;
    }
    
    .final-cta {
        padding: 80px 0;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-subtitle {
        font-size: 1rem;
    }
    
    .modal-content {
        max-height: 95vh;
        border-radius: 16px;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .step-actions {
        flex-direction: column;
    }
    
    .referral-options {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .product-info,
    .diff-card,
    .benefit-card {
        padding: 1rem;
    }
    
    .input-field {
        padding: 12px 14px;
    }
    
    .step-btn,
    .referral-btn {
        padding: 12px 16px;
    }
}

/* Points System Styles */
.points-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1.5rem;
    text-align: center;
}

.points-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.points-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #0ea5e9;
}

.points-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.points-card h5 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.points-balance {
    font-size: 2rem;
    font-weight: 800;
    color: #0ea5e9;
    margin-bottom: 0.25rem;
}

.points-value {
    font-size: 1rem;
    color: #64748b;
    font-weight: 500;
}

.points-rules {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.points-rules h6 {
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 1rem;
}

.points-rules ul {
    list-style: none;
    padding: 0;
}

.points-rules li {
    padding: 0.5rem 0;
    color: #64748b;
    font-size: 0.95rem;
    border-bottom: 1px solid #e2e8f0;
}

.points-rules li:last-child {
    border-bottom: none;
}

.points-rules strong {
    color: #10b981;
    font-weight: 600;
}

.points-note {
    margin-top: 1rem;
    padding: 0.75rem;
    background: #d1fae5;
    color: #065f46;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    text-align: center;
}

.points-actions {
    display: flex;
    gap: 1rem;
}

/* Referral Code Styles */
.referral-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1.5rem;
    text-align: center;
}

.referral-code-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.referral-code-card {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #f59e0b;
}

.referral-code-card h5 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 1rem;
}

.referral-code-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 2px dashed #f59e0b;
}

.referral-code-display span {
    font-size: 1.25rem;
    font-weight: 800;
    color: #f59e0b;
    letter-spacing: 1px;
    font-family: 'Courier New', monospace;
}

.copy-btn {
    background: #f59e0b;
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: #d97706;
    transform: translateY(-1px);
}

.referral-share-text {
    font-size: 0.95rem;
    color: #92400e;
    font-weight: 500;
}

/* Share Options */
.share-options h6 {
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 1rem;
    text-align: center;
}

.share-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.share-btn.whatsapp {
    background: #25d366;
    color: white;
}

.share-btn.whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
}

.share-btn.message {
    background: #3b82f6;
    color: white;
}

.share-btn.message:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.share-btn.call {
    background: #10b981;
    color: white;
}

.share-btn.call:hover {
    background: #059669;
    transform: translateY(-2px);
}

.share-btn span {
    font-size: 1.1rem;
}

/* Referral Input Styles */
.referral-inputs {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    margin-bottom: 1.5rem;
}

.referral-inputs .input-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.referral-inputs .input-field {
    margin-bottom: 1rem;
    padding: 12px 14px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.95rem;
}

.referral-inputs .input-field:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.referral-inputs .input-field:invalid {
    border-color: #ef4444;
}

/* Message Preview */
.referral-message-preview h6 {
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0.75rem;
    text-align: center;
}

.message-preview {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.5;
}

.message-preview p {
    margin-bottom: 0.5rem;
}

.message-preview strong {
    color: #f59e0b;
    font-weight: 600;
}

/* Referral Highlight Section */
.referral-highlight {
    padding: 60px 0;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.referral-box {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.2);
    border: 2px solid #f59e0b;
}

.referral-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.referral-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.referral-text p {
    font-size: 1rem;
    color: #64748b;
    margin-bottom: 0;
}

.referral-cta-btn {
    background: #f59e0b;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    flex-shrink: 0;
}

.referral-cta-btn:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(245, 158, 11, 0.3);
}

/* WhatsApp Preview Section */
.whatsapp-preview {
    padding: 80px 0;
    background: #f8fafc;
}

.preview-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.preview-phone {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

.phone-header {
    background: #25d366;
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.phone-title {
    font-size: 1.1rem;
}

.message-content {
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.message-line {
    margin-bottom: 0.75rem;
    color: #374151;
}

.message-line.referral-line {
    color: #10b981;
    font-weight: 600;
}

.message-line.total-line {
    color: #0f172a;
    font-size: 1.1rem;
    border-top: 2px solid #e2e8f0;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

.preview-steps h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1.5rem;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 40px;
    height: 40px;
    background: #10b981;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0f172a;
}

.preview-note {
    font-size: 1rem;
    color: #64748b;
    font-style: italic;
    text-align: center;
    margin-top: 1rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.product-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Mobile Responsiveness Fixes */
@media (max-width: 768px) {
    /* Prevent horizontal overflow */
    body {
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 15px;
        max-width: 100%;
    }
    
    /* Business Header Mobile */
    .business-header {
        padding: 12px 0;
    }
    
    .brand-info {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .brand-text h2 {
        font-size: 1.1rem;
    }
    
    .brand-text p {
        font-size: 0.8rem;
    }
    
    /* Hero Section Mobile */
    .hero {
        padding: 80px 0;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .trust-line {
        font-size: 0.8rem;
        padding: 6px 16px;
        margin-bottom: 1rem;
    }
    
    /* Product Grid Mobile */
    .product-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 10px;
    }
    
    .product-card {
        max-width: 100%;
        overflow: hidden;
    }
    
    .product-image img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    
    .product-badge {
        font-size: 0.65rem;
        padding: 4px 8px;
        top: 8px;
        left: 8px;
    }
    
    .product-name {
        font-size: 1.1rem;
    }
    
    .product-price {
        font-size: 1.2rem;
    }
    
    .order-btn {
        width: 100%;
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    /* Referral Highlight Mobile */
    .referral-highlight {
        padding: 40px 0;
    }
    
    .referral-box {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
        gap: 1.5rem;
    }
    
    .referral-icon {
        font-size: 2.5rem;
    }
    
    .referral-text h3 {
        font-size: 1.3rem;
    }
    
    .referral-text p {
        font-size: 0.9rem;
    }
    
    .referral-cta-btn {
        width: 100%;
        max-width: 250px;
        padding: 14px 20px;
        font-size: 0.9rem;
    }
    
    /* WhatsApp Preview Mobile */
    .whatsapp-preview {
        padding: 60px 0;
    }
    
    .preview-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .preview-phone {
        max-width: 100%;
        overflow: hidden;
    }
    
    .phone-header {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }
    
    .message-content {
        padding: 1rem;
        font-size: 0.8rem;
    }
    
    .message-line {
        margin-bottom: 0.5rem;
    }
    
    .preview-steps h3 {
        font-size: 1.3rem;
        text-align: center;
    }
    
    .steps-list {
        gap: 0.8rem;
    }
    
    .step-item {
        padding: 0.8rem;
        flex-direction: row;
        align-items: center;
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .step-text {
        font-size: 1rem;
    }
    
    .preview-note {
        font-size: 0.9rem;
        text-align: center;
        margin-top: 1.5rem;
    }
    
    /* Differentiation Section Mobile */
    .differentiation {
        padding: 60px 0;
    }
    
    .diff-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .diff-card {
        padding: 1.5rem;
        text-align: center;
    }
    
    .diff-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .diff-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .diff-card p {
        font-size: 0.9rem;
    }
    
    /* Benefits Section Mobile */
    .benefits {
        padding: 60px 0;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .benefit-card {
        padding: 1.5rem;
        text-align: center;
    }
    
    .benefit-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .benefit-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .benefit-card p {
        font-size: 0.9rem;
    }
    
    /* Footer Mobile */
    .footer {
        padding: 40px 0;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
    }
    
    .footer-section ul {
        font-size: 0.9rem;
    }
    
    /* Chatbot Modal Mobile */
    .chatbot-modal {
        width: 95%;
        max-width: 400px;
        margin: 20px auto;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-header h3 {
        font-size: 1.2rem;
    }
    
    .step-content {
        padding: 1.5rem;
    }
    
    .step-content h4 {
        font-size: 1.3rem;
    }
    
    .input-label {
        font-size: 0.9rem;
    }
    
    .input-field {
        padding: 12px 14px;
        font-size: 0.9rem;
    }
    
    .step-btn {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .step-actions {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .step-actions .step-btn {
        width: 100%;
    }
    
    /* Points System Mobile */
    .points-title {
        font-size: 1.3rem;
    }
    
    .points-info {
        gap: 1rem;
    }
    
    .points-card {
        padding: 1rem;
    }
    
    .points-balance {
        font-size: 1.5rem;
    }
    
    .points-rules {
        padding: 1rem;
    }
    
    .points-rules h6 {
        font-size: 0.9rem;
    }
    
    .points-rules li {
        font-size: 0.85rem;
    }
    
    /* Referral Code Mobile */
    .referral-title {
        font-size: 1.3rem;
    }
    
    .referral-code-section {
        gap: 1rem;
    }
    
    .referral-code-card {
        padding: 1rem;
    }
    
    .referral-code-display {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.8rem;
    }
    
    .referral-code-display span {
        font-size: 1rem;
    }
    
    .copy-btn {
        width: 100%;
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .referral-inputs {
        padding: 1rem;
    }
    
    .share-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .share-btn {
        width: 100%;
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .referral-message-preview {
        padding: 1rem;
    }
    
    .message-preview {
        padding: 0.8rem;
        font-size: 0.8rem;
    }
    
    .whatsapp-send-btn {
        width: 100%;
        padding: 14px 16px;
        font-size: 0.9rem;
    }
    
    /* Section Titles Mobile */
    .section-title {
        font-size: 1.8rem;
    }
    
    /* CTA Button Mobile */
    .cta-button {
        padding: 14px 24px;
        font-size: 0.9rem;
    }
    
    /* Summary Box Mobile */
    .summary-box {
        padding: 1rem;
    }
    
    .summary-item {
        padding: 0.8rem 0;
        font-size: 0.9rem;
    }
    
    .summary-discount {
        font-size: 0.9rem;
    }
    
    /* Discount Note Mobile */
    .discount-note {
        font-size: 0.85rem;
        padding: 0.8rem;
    }
    
    /* Progress Bar Mobile */
    .progress-container {
        margin-bottom: 1rem;
    }
    
    .step-indicator {
        font-size: 0.9rem;
    }
}

/* Extra Small Screens (iPhone SE, etc.) */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .product-name {
        font-size: 1rem;
    }
    
    .product-price {
        font-size: 1.1rem;
    }
    
    .order-btn {
        font-size: 0.85rem;
        padding: 10px 14px;
    }
    
    .referral-box {
        padding: 1rem;
    }
    
    .referral-text h3 {
        font-size: 1.1rem;
    }
    
    .message-content {
        font-size: 0.75rem;
    }
    
    .step-content {
        padding: 1rem;
    }
    
    .input-field {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    
    .step-btn {
        font-size: 0.85rem;
        padding: 10px 14px;
    }
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }