/* Reset e Base */
* {
    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: #fff;
}

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

/* Utility Classes */
.text-primary { color: #3b82f6; }
.text-green { color: #10b981; }
.text-red { color: #0a1e3b; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 16px;
}

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

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-outline {
    background-color: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-outline:hover {
    background-color: #3b82f6;
    color: white;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Header */
.header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav {
    padding: 16px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 80px;
    width: auto;
    margin-left: 1cm;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: #3b82f6;
}

.nav-toggle {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background-color: #dbeafe;
    color: #1e40af;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #3b82f6;
    display: block;
}

.stat-label {
    font-size: 14px;
    color: #64748b;
    margin-top: 4px;
}

/* Problems Section */
.problems {
    padding: 80px 0;
    background-color: #f8fafc;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.125rem;
    color: #64748b;
    text-align: center;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.problem-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.problem-icon {
    margin-bottom: 16px;
}

.problem-icon i {
    width: 48px;
    height: 48px;
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.problem-card p {
    color: #64748b;
}

/* Solution Section */
.solution {
    padding: 80px 0;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.solution-card {
    text-align: center;
    padding: 32px;
}

.solution-icon {
    margin-bottom: 16px;
}

.solution-icon i {
    width: 48px;
    height: 48px;
}

.solution-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.solution-card p {
    color: #64748b;
}

.demo-chat {
    background: #f1f5f9;
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.chat-example {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-user, .chat-bot {
    padding: 16px;
    border-radius: 12px;
    max-width: 80%;
}

.chat-user {
    background: #3b82f6;
    color: white;
    align-self: flex-end;
    margin-left: auto;
}

.chat-bot {
    background: #e5e7eb;
    color: #333;
    align-self: flex-start;
}

/* How it Works Section */
.how-it-works {
    padding: 80px 0;
    background-color: #f8fafc;
}

.how-it-works-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.step-number {
    background: #3b82f6;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    color: #64748b;
}

.examples {
    background: #dbeafe;
    padding: 24px;
    border-radius: 12px;
    margin-top: 32px;
}

.examples h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1e40af;
}

.examples ul {
    list-style: none;
    color: #1e40af;
}

.examples li {
    margin-bottom: 8px;
}

/* Phone Animation */
.phone-animation {
    display: flex;
    justify-content: center;
}

.phone {
    width: 384px;
    height: 700px;
    background: #1f2937;
    border-radius: 48px;
    padding: 16px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    position: relative;
}

.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    font-size: 14px;
    margin-bottom: 16px;
}

.signal-bars {
    display: flex;
    gap: 4px;
}

.bar {
    width: 16px;
    height: 8px;
    background: white;
    border-radius: 2px;
}

.chat-header {
    background: #16a34a;
    border-radius: 8px 8px 0 0;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: #3b82f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-avatar i {
    color: white;
    width: 24px;
    height: 24px;
}

.chat-info h3 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.chat-info p {
    color: #bbf7d0;
    font-size: 12px;
    margin: 0;
}

.chat-messages {
    background: #e5e7eb;
    padding: 16px;
    height: 500px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    padding: 12px;
    border-radius: 12px;
    max-width: 80%;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
}

.user-message {
    background: #3b82f6;
    color: white;
    align-self: flex-end;
    margin-left: auto;
}

.bot-message {
    background: white;
    color: #333;
    align-self: flex-start;
}

.message-time {
    font-size: 10px;
    opacity: 0.7;
    margin-top: 4px;
}

.chat-input {
    background: white;
    padding: 12px;
    border-radius: 0 0 8px 8px;
    color: #9ca3af;
    font-size: 14px;
}

/* Animation */
@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-message {
    animation: slideInUp 0.5s ease-out forwards;
}

/* Comparison Section */
.comparison {
    padding: 80px 0;
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.comparison-table th,
.comparison-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.comparison-table th {
    background: #f8fafc;
    font-weight: 600;
    color: #374151;
}

.comparison-table .highlight {
    background: #dbeafe;
    color: #1e40af;
    font-weight: 600;
}

.comparison-table .bi-tradicional {
    color: #0a1e3b;
    font-weight: 600;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background-color: #f8fafc;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.benefit-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.benefit-icon {
    margin-bottom: 16px;
}

.benefit-icon i {
    width: 48px;
    height: 48px;
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.benefit-card p {
    color: #64748b;
}

.benefits-highlight {
    text-align: center;
    background: #dbeafe;
    padding: 24px;
    border-radius: 12px;
}

.benefits-highlight p {
    font-size: 1.125rem;
    color: #1e40af;
    margin: 0;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.pricing-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    position: relative;
    border: 2px solid transparent;
}

.pricing-card.featured {
    border-color: #3b82f6;
    transform: scale(1.05);
}

.pricing-badge {
    background: #3b82f6;
    color: white;
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0 0 8px 8px;
}

.pricing-header {
    padding: 32px;
    text-align: center;
    border-bottom: 1px solid #e5e7eb;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-header p {
    color: #64748b;
    margin-bottom: 24px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1.25rem;
    color: #3b82f6;
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: #3b82f6;
}

.period {
    font-size: 1rem;
    color: #64748b;
}

.pricing-features {
    padding: 32px;
}

.pricing-features ul {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.pricing-features i {
    color: #10b981;
    width: 16px;
    height: 16px;
}

.pricing-note {
    text-align: center;
    color: #64748b;
    font-size: 14px;
    font-style: italic;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background-color: #f8fafc;
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-bottom: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
}

.contact-info {
    text-align: center;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
    color: #64748b;
}

.contact-item i {
    width: 20px;
    height: 20px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 72px;
    width: auto;
    margin-bottom: 16px;
    margin-left: 1cm;
}

.footer-brand p {
    color: #9ca3af;
    margin-bottom: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 8px;
}

.footer-column a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .how-it-works-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .phone {
        width: 320px;
        height: 580px;
    }
    
    .chat-messages {
        height: 400px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .phone {
        width: 280px;
        height: 500px;
    }
    
    .chat-messages {
        height: 320px;
    }
}