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

/* Hidden elements for honeypot spam protection */
.hidden {
    display: none !important;
    visibility: hidden !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* 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 rgba(0, 0, 0, 0.1);
    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;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.5rem;
    color: #2563eb;
}

.logo {
    width: 32px;
    height: 32px;
}

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

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2563eb;
}

.cta-link {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.cta-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

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

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #1e293b;
}

.gradient-text {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.cta-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.cta-button.primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.cta-button.secondary {
    background: white;
    color: #2563eb;
    border: 2px solid #e2e8f0;
    display: none;
}

.cta-button.secondary:hover {
    background: #f8fafc;
    border-color: #2563eb;
}

.cta-icon, .play-icon {
    width: 20px;
    height: 20px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #2563eb;
}

.stat-label {
    font-size: 0.875rem;
    color: #64748b;
    text-align: center;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.demo-container {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.demo-screen {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.demo-header {
    background: #f8fafc;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.demo-dots {
    display: flex;
    gap: 6px;
}

.demo-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #cbd5e1;
}

.demo-dots span:first-child {
    background: #ef4444;
}

.demo-dots span:nth-child(2) {
    background: #f59e0b;
}

.demo-dots span:last-child {
    background: #10b981;
}

.demo-title {
    font-weight: 600;
    color: #374151;
}

.demo-content {
    padding: 24px;
}

.demo-prompt {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: #2563eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.prompt-text {
    background: #f1f5f9;
    padding: 12px 16px;
    border-radius: 12px;
    color: #334155;
    font-weight: 500;
}

.demo-response {
    display: flex;
    gap: 12px;
}

.ai-avatar {
    width: 32px;
    height: 32px;
    background: #7c3aed;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.response-content {
    flex: 1;
}

.chart-placeholder {
    background: #f8fafc;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 12px;
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 8px;
    height: 60px;
    margin-bottom: 8px;
}

.bar {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 4px 4px 0 0;
    width: 56px;
    min-height: 8px;
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #64748b;
}

.response-text {
    color: #475569;
    font-size: 0.875rem;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #2563eb;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 16px;
}

.feature-description {
    color: #64748b;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: #f8fafc;
}

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

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 24px;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 16px;
}

.step-description {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 32px;
}

.step-visual {
    background: white;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #e2e8f0;
}

.upload-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
}

.upload-icon {
    font-size: 2rem;
}

.upload-text {
    color: #64748b;
    font-weight: 500;
}

.question-demo {
    padding: 16px;
}

.question-bubble {
    background: #f1f5f9;
    padding: 12px 16px;
    border-radius: 12px;
    color: #334155;
    font-style: italic;
}

.results-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.chart-mini {
    width: 100px;
    height: 40px;
    background: #f8fafc;
    border-radius: 8px;
    padding: 8px;
}

.mini-bars {
    display: flex;
    align-items: end;
    gap: 4px;
    height: 100%;
}

.mini-bar {
    background: #2563eb;
    border-radius: 2px;
    width: 12px;
    min-height: 4px;
}

.insight-text {
    font-size: 0.875rem;
    color: #475569;
    font-weight: 500;
}

/* Beta Signup Section */
.beta-signup {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
}

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

.signup-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.signup-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 40px;
    line-height: 1.6;
}

.countdown {
    display: inline-flex;
    gap: 12px;
    align-items: center;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.35);
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 700;
    margin-bottom: 24px;
    max-width: 100%;
    flex-wrap: wrap;
}

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

.benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #e2e8f0;
}

.benefit-icon {
    width: 20px;
    height: 20px;
    color: #10b981;
}

.signup-form-container {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-weight: 600;
    color: #374151;
    font-size: 0.875rem;
}

.form-input, .form-select {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
    width: 100%;
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: #2563eb;
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e2e8f0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #2563eb;
    border-color: #2563eb;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-weight: bold;
    font-size: 12px;
}

.submit-button {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.button-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.signup-success {
    text-align: center;
    padding: 40px;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
}

.success-icon svg {
    width: 32px;
    height: 32px;
}

.success-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 16px;
}

.success-message {
    color: #64748b;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 40px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.footer-description {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid #334155;
}

.footer-copyright {
    color: #94a3b8;
}

.footer-social {
    display: none;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: #334155;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e1;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #2563eb;
    color: white;
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .signup-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .signup-title { font-size: 2rem; line-height: 1.2; }
    .signup-subtitle { font-size: 1rem; }
    .signup-form-container { padding: 24px; max-width: 100%; margin: 0; }
    .signup-content { max-width: 100%; margin: 0; }
    .beta-signup .container { padding-left: 20px; padding-right: 20px; }
    .countdown { display: block; width: 100%; }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .beta-signup .container { padding-left: 16px; padding-right: 16px; }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .signup-form-container {
        padding: 24px;
    }
}

/* Performance Optimizations */
.hero-visual {
    will-change: transform;
}

.feature-card {
    will-change: transform;
}

.cta-button {
    will-change: transform;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.cta-button:focus,
.form-input:focus,
.form-select:focus,
.submit-button:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .gradient-text {
        background: none;
        -webkit-text-fill-color: initial;
        color: #2563eb;
    }
}

/* Animation classes for JavaScript-controlled animations */
.feature-card,
.step,
.hero-content,
.hero-visual {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-card.animate-in,
.step.animate-in,
.hero-content.animate-in,
.hero-visual.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile navigation active state */
.nav-links.active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
}

/* Form validation states */
.email-input.error {
    border-color: #ef4444 !important;
    background-color: #fef2f2 !important;
}

.email-input.valid {
    border-color: #e2e8f0 !important;
    background-color: white !important;
}