:root {
    --primary-color: #8B5CF6;
    --primary-light: #A78BFA;
    --primary-dark: #7C3AED;
    --secondary-color: #64748B;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --info-color: #3B82F6;
    --light-color: #F8FAFC;
    --dark-color: #1E293B;
    --border-color: #E2E8F0;
    --text-muted: #64748B;
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #ffffff;
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.bg-primary-light {
    background-color: rgba(139, 92, 246, 0.1) !important;
}

.bg-success-light {
    background-color: rgba(16, 185, 129, 0.1) !important;
}

.bg-warning-light {
    background-color: rgba(245, 158, 11, 0.1) !important;
}

.bg-gradient-primary {
    background: var(--gradient-primary) !important;
}

.navbar {
    padding: 1rem 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color) !important;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--secondary-color) !important;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.hero-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.min-vh-75 {
    min-height: 75vh;
}

.hero-content .badge {
    font-size: 0.875rem;
    border-radius: 2rem;
}

.display-4 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark-color);
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.6;
}

.dashboard-mockup {
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.avatar-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
}

.metrics-grid .metric-card {
    text-align: center;
    padding: 1rem;
    background: var(--light-color);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.metric-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.trust-section {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust-logo {
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 0.375rem;
}

.demo-section {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.demo-placeholder {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--gradient-primary);
}

.problem-section {
    background-color: var(--light-color);
}

.problem-card {
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.problem-icon {
    margin-bottom: 1rem;
}

.pricing-preview {
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(139, 92, 246, 0.15);
}

.price-display {
    text-align: center;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
    vertical-align: top;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark-color);
    line-height: 1;
}

.price-period {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.25rem;
}

.features-list {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.feature-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.faq-section {
    background-color: var(--light-color);
}

.accordion-button {
    font-weight: 600;
    color: var(--dark-color);
    background-color: white;
    border: none;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(139, 92, 246, 0.25);
}

.accordion-item {
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    border-radius: 0.5rem;
    overflow: hidden;
}

footer {
    background-color: var(--dark-color) !important;
}

.footer-brand h5 {
    color: white;
}

.contact-info .contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.contact-info i {
    width: 16px;
    text-align: center;
}

.social-links a {
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color) !important;
}

@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 3rem 0;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        margin-top: 2rem;
    }
    
    .pricing-preview .col-lg-6 {
        margin-bottom: 1.5rem;
    }
    
    .problem-grid .col-md-6 {
        margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .demo-placeholder {
        min-height: 200px;
        padding: 2rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
}

.section-header {
    margin-bottom: 3rem;
}

.section-header .badge {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 0.5rem;
}

.shadow-lg {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
}

.rounded-3 {
    border-radius: 0.75rem !important;
}

.text-decoration-none {
    text-decoration: none !important;
}

.text-decoration-none:hover {
    text-decoration: underline !important;
}

.bg-info-light {
    background-color: rgba(59, 130, 246, 0.1) !important;
}

.text-info {
    color: var(--info-color) !important;
}

.icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
}

.dashboard-preview, .social-preview, .analytics-preview, .automation-preview {
    border: 1px solid var(--border-color);
}

.metric-mini {
    text-align: center;
    padding: 1rem;
    background: var(--light-color);
    border-radius: 0.5rem;
}

.metric-value {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.social-channel {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--light-color);
}

.step-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    flex-shrink: 0;
}

.chart-placeholder {
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.popular-badge {
    z-index: 10;
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.contact-form-card {
    border: 1px solid var(--border-color);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.form-check-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.process-step {
    position: relative;
}

.step-icon {
    position: relative;
}

.step-icon .step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.tech-feature .feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.comparison-card {
    border: none;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.comparison-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comparison-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.comparison-item:last-child {
    border-bottom: none;
}

.result-card {
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.result-number {
    font-size: 2.5rem;
    line-height: 1;
}

.ai-dashboard {
    border: 1px solid var(--border-color);
}

.learning-progress .progress {
    background-color: var(--light-color);
}

.optimization-status {
    padding: 0.75rem;
    background: var(--light-color);
    border-radius: 0.5rem;
}