/* Reset and Base 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;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: #1a1a1a;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    font-size: 1.125rem;
    color: #6b7280;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #000000;
    color: #ffffff;
    border-color: #000000;
}

.btn-primary:hover {
    background: #333333;
    border-color: #333333;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: #000000;
    border-color: #000000;
}

.btn-outline:hover {
    background: #000000;
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    z-index: 1000;
    padding: 16px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 32px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: #374151;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link:hover {
    color: #000000;
}

.nav-link i {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown:hover .nav-link i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 24px;
    min-width: 400px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

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

.dropdown-column:first-child {
    border-right: 1px solid #e5e7eb;
    padding-right: 24px;
    margin-right: 24px;
}

.dropdown-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: #6b7280;
    margin: 0 0 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s ease;
}

.dropdown-item:hover {
    background: #f9fafb;
}

.dropdown-item i {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    font-size: 0.875rem;
}

.dropdown-title {
    font-weight: 500;
    color: #1a1a1a;
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.dropdown-desc {
    color: #6b7280;
    font-size: 0.75rem;
    line-height: 1.4;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #000000;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 600px;
    margin-bottom: 60px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #059669;
    font-weight: 500;
}

.feature-badge i {
    font-size: 0.875rem;
}

.hero-visual {
    position: relative;
    margin-top: 60px;
}

.dashboard-preview {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.dashboard-header {
    background: #f9fafb;
    padding: 16px 24px;
    border-bottom: 1px solid #e5e7eb;
}

.dashboard-nav {
    display: flex;
    gap: 24px;
}

.dashboard-nav .nav-item {
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    color: #6b7280;
}

.dashboard-nav .nav-item.active {
    background: #000000;
    color: #ffffff;
}

.dashboard-content {
    padding: 24px;
}

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

.chat-message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.chat-message.user .message-avatar {
    background: #3b82f6;
    color: #ffffff;
}

.chat-message.ai .message-avatar {
    background: #10b981;
    color: #ffffff;
}

.message-content {
    flex: 1;
    background: #f9fafb;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.message-content p {
    margin: 0;
    color: #374151;
    font-size: 0.875rem;
}

.message-content ul {
    margin: 8px 0 0 0;
    padding-left: 20px;
}

.message-content li {
    color: #6b7280;
    font-size: 0.875rem;
    margin: 4px 0;
}

/* Core Features Section */
.core-features {
    padding: 120px 0;
    background: #ffffff;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #000000;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: #f3f4f6;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.5rem;
    color: #000000;
}

.feature-card h3 {
    margin-bottom: 16px;
    color: #1a1a1a;
}

.feature-card p {
    margin-bottom: 24px;
    color: #6b7280;
}

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

.feature-list li {
    padding: 8px 0;
    color: #6b7280;
    font-size: 0.875rem;
    position: relative;
    padding-left: 20px;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 600;
}

/* Integrations Section */
.integrations {
    padding: 120px 0;
    background: #f9fafb;
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.integration-category h3 {
    margin-bottom: 24px;
    color: #1a1a1a;
    font-size: 1.25rem;
}

.integration-logos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.integration-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
}

.integration-logo:hover {
    border-color: #000000;
    transform: translateY(-2px);
}

.integration-logo img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.integration-logo span {
    font-weight: 500;
    color: #374151;
    font-size: 0.875rem;
}

.integrations-cta {
    text-align: center;
}

/* Use Cases Section */
.use-cases {
    padding: 120px 0;
    background: #ffffff;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.use-case-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    text-align: center;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #000000;
}

.use-case-icon {
    width: 80px;
    height: 80px;
    background: #f3f4f6;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
    color: #000000;
}

.use-case-card h3 {
    margin-bottom: 16px;
    color: #1a1a1a;
}

.use-case-card p {
    margin-bottom: 24px;
    color: #6b7280;
}

.use-case-card ul {
    list-style: none;
    text-align: left;
    margin: 0;
    padding: 0;
}

.use-case-card li {
    padding: 8px 0;
    color: #6b7280;
    font-size: 0.875rem;
    position: relative;
    padding-left: 20px;
}

.use-case-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 600;
}

/* Case Study Section */
.case-study {
    padding: 120px 0;
    background: #000000;
    color: #ffffff;
}

.case-study-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.case-study-badge {
    display: inline-block;
    background: #10b981;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.case-study h2 {
    color: #ffffff;
    margin-bottom: 24px;
}

.case-study p {
    color: #d1d5db;
    font-size: 1.25rem;
    margin-bottom: 40px;
}

.case-study-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
}

.stat-label {
    color: #9ca3af;
    font-size: 0.875rem;
    font-weight: 500;
}

.case-study-visual {
    position: relative;
}

.dashboard-mockup {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.mockup-header {
    background: #f9fafb;
    padding: 16px 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mockup-title {
    font-weight: 600;
    color: #1a1a1a;
}

.mockup-stats {
    display: flex;
    gap: 16px;
}

.stat-item {
    font-size: 0.875rem;
    color: #6b7280;
}

.mockup-content {
    padding: 24px;
}

.query-result {
    background: #f9fafb;
    border-radius: 12px;
    padding: 16px;
    border: 1px solid #e5e7eb;
}

.query {
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 12px;
    font-size: 0.875rem;
}

.result {
    display: flex;
    gap: 16px;
}

.chart-placeholder {
    width: 60px;
    height: 60px;
    background: #e5e7eb;
    border-radius: 8px;
}

.insights {
    flex: 1;
}

.insight {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 4px 0;
}

/* Pricing Preview Section */
.pricing-preview {
    padding: 120px 0;
    background: #f9fafb;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.pricing-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: #000000;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #000000;
    color: #ffffff;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.pricing-card h3 {
    margin-bottom: 16px;
    color: #1a1a1a;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: #6b7280;
}

.pricing-card p {
    margin-bottom: 32px;
    color: #6b7280;
}

.pricing-card ul {
    list-style: none;
    margin: 0 0 32px 0;
    padding: 0;
    text-align: left;
}

.pricing-card li {
    padding: 8px 0;
    color: #6b7280;
    font-size: 0.875rem;
    position: relative;
    padding-left: 20px;
}

.pricing-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 600;
}

.pricing-cta {
    text-align: center;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: #000000;
    color: #ffffff;
    text-align: center;
}

.cta h2 {
    color: #ffffff;
    margin-bottom: 16px;
}

.cta p {
    color: #d1d5db;
    font-size: 1.25rem;
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

.cta .btn-primary:hover {
    background: #f3f4f6;
    border-color: #f3f4f6;
}

.cta .btn-outline {
    background: transparent;
    color: #ffffff;
    border-color: #ffffff;
}

.cta .btn-outline:hover {
    background: #ffffff;
    color: #000000;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo img {
    height: 32px;
    margin-bottom: 16px;
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: 24px;
    line-height: 1.6;
}

.footer-section h4 {
    color: #ffffff;
    margin-bottom: 24px;
    font-size: 1rem;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-section li {
    margin-bottom: 12px;
}

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

.footer-section a:hover {
    color: #ffffff;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.social-links a:hover {
    background: #ffffff;
    color: #000000;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 32px;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .case-study-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .case-study-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .feature-card,
    .use-case-card,
    .pricing-card {
        padding: 24px;
    }
}