/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --slate-gray: #475569;
    --slate-gray-light: #64748b;
    --slate-gray-dark: #334155;
    --soft-blue: #3b82f6;
    --soft-blue-light: #60a5fa;
    --soft-blue-dark: #2563eb;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --gradient-secondary: linear-gradient(135deg, #475569 0%, #64748b 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--slate-gray);
    background-color: var(--white);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-800);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 16px;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 16px;
    color: var(--slate-gray);
}

/* Navigation */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--soft-blue);
    margin-bottom: 0;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--slate-gray);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--soft-blue);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--soft-blue);
    border: 2px solid var(--soft-blue);
}

.btn-secondary:hover {
    background: var(--soft-blue);
    color: var(--white);
}

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--slate-gray);
    margin-bottom: 40px;
    line-height: 1.6;
}

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

/* Dashboard Mockup */
.dashboard-mockup {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.mockup-header {
    background: var(--gray-50);
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
}

.mockup-dots {
    display: flex;
    gap: 8px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.mockup-dots span:nth-child(1) { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #f59e0b; }
.mockup-dots span:nth-child(3) { background: #10b981; }

.mockup-content {
    padding: 32px;
}

.chart-placeholder {
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 8px;
    margin-bottom: 24px;
    opacity: 0.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.stat-item {
    height: 60px;
    background: var(--gray-100);
    border-radius: 8px;
}

/* Use Cases Section */
.use-cases {
    padding: 100px 0;
    background: var(--white);
}

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

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

.section-header p {
    font-size: 1.25rem;
    color: var(--slate-gray);
}

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

.use-case-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.use-case-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.use-case-icon i {
    font-size: 24px;
    color: var(--white);
}

.use-case-card h3 {
    margin-bottom: 16px;
}

.use-case-card p {
    margin-bottom: 24px;
    line-height: 1.6;
}

.use-case-card ul {
    list-style: none;
}

.use-case-card li {
    padding: 8px 0;
    color: var(--slate-gray);
    position: relative;
    padding-left: 24px;
}

.use-case-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--soft-blue);
    font-weight: bold;
}

/* Product Overview */
.product-overview {
    padding: 100px 0;
    background: var(--gray-50);
}

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

.feature-list {
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 32px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 20px;
    color: var(--white);
}

.feature-text h4 {
    margin-bottom: 8px;
    font-size: 1.125rem;
}

.feature-text p {
    color: var(--slate-gray);
    margin-bottom: 0;
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid var(--gray-200);
}

.preview-controls {
    display: flex;
    gap: 8px;
}

.preview-controls button {
    padding: 8px 16px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preview-controls button.active,
.preview-controls button:hover {
    background: var(--soft-blue);
    color: var(--white);
    border-color: var(--soft-blue);
}

.preview-content {
    padding: 32px;
}

.chart-container {
    height: 160px;
    margin-bottom: 32px;
    display: flex;
    align-items: end;
    justify-content: center;
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 8px;
    height: 100%;
}

.bar {
    width: 32px;
    background: var(--gradient-primary);
    border-radius: 4px 4px 0 0;
    opacity: 0.8;
}

.metrics-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.metric-card {
    background: var(--gray-50);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--slate-gray);
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--white);
}

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

.testimonial-card {
    background: var(--gray-50);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stars {
    color: #fbbf24;
    margin-bottom: 24px;
}

.stars i {
    font-size: 1.125rem;
}

.testimonial-content p {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--gray-700);
    margin-bottom: 32px;
    font-style: italic;
}

.testimonial-author h4 {
    margin-bottom: 4px;
    color: var(--gray-800);
}

.testimonial-author p {
    color: var(--slate-gray);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-secondary);
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    color: #e2e8f0;
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.demo-form {
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: var(--gray-800);
}

.form-group input::placeholder {
    color: var(--slate-gray);
}

.demo-note {
    color: #cbd5e1;
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 80px 0 40px;
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 24px;
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 24px;
}

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

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

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--soft-blue-light);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--soft-blue);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #cbd5e1;
    margin-bottom: 0;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .product-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .use-cases-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .use-cases-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .metrics-row {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .use-case-card,
    .testimonial-card {
        padding: 24px;
    }
    
    .preview-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    
    .preview-controls {
        width: 100%;
        justify-content: space-between;
    }
}