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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #f1f5f9;
    --accent-color: #0ea5e9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --gradient: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --border-radius: 12px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: #ffffff;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e2e8f0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    height: 80px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

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

.cta-button {
    background: var(--gradient) !important;
    color: white !important;
    padding: 8px 20px !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease !important;
}

.cta-button:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow) !important;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.primary-button {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.beta-badge {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

/* Differentiators Section */
.differentiators {
    padding: 80px 0;
    background: white;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.differentiators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.differentiator-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.differentiator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.differentiator-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.differentiator-card:hover::before {
    transform: scaleX(1);
}

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

.differentiator-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.differentiator-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: var(--secondary-color);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.benefit-check {
    background: var(--gradient);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 2px;
}

.benefit-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: 1.5;
}

.benefits-visual {
    display: flex;
    justify-content: center;
}

.dashboard-preview {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
}

.preview-header {
    background: #f8fafc;
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.preview-tabs {
    display: flex;
    gap: 1rem;
}

.tab {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab.active {
    background: var(--primary-color);
    color: white;
}

.preview-content {
    padding: 2rem;
}

.chart-placeholder {
    background: linear-gradient(135deg, #ddd6fe 0%, #c4b5fd 100%);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #6b46c1;
}

.ai-message {
    display: flex;
    gap: 0.8rem;
    padding: 1rem;
    background: #f0f9ff;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.ai-icon {
    font-size: 1.2rem;
}

.ai-message p {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.5;
}

/* Beta Signup */
.beta-signup {
    padding: 80px 0;
    background: var(--text-primary);
    color: white;
    text-align: center;
}

.beta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.beta-content p {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
}

.founders-pricing {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2) 0%, rgba(245, 158, 11, 0.2) 100%);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 2rem auto;
    max-width: 500px;
    text-align: center;
}

.founders-badge {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #92400e;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(251, 191, 36, 0.3);
}

.founders-pricing p {
    color: #fbbf24 !important;
    font-size: 1rem !important;
    margin-bottom: 0 !important;
    font-weight: 500;
}

.beta-form {
    max-width: 500px;
    margin: 0 auto 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.beta-form input {
    padding: 16px;
    border: 1px solid #475569;
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    transition: border-color 0.3s ease;
}

.beta-form input::placeholder {
    color: #94a3b8;
}

.beta-form input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.beta-info {
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: #0f172a;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #94a3b8;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .benefits-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .form-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .differentiators-grid {
        grid-template-columns: 1fr;
    }
    
    .differentiator-card {
        padding: 1.5rem;
    }
}

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

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

.differentiator-card {
    animation: fadeInUp 0.6s ease;
    animation-fill-mode: both;
}

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