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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #10b981;
    --accent-color: #8b5cf6;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --border-color: #475569;
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: currentColor;
    left: 0;
    transition: transform 0.3s ease;
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

/* Sections */
.section {
    padding: 6rem 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.hero {
    text-align: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-logo {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-benefits {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.benefit-icon {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    min-width: 140px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow);
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

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

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

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

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.feature-link:hover {
    color: var(--accent-color);
}

/* Demo Section */
.demo-warning {
    background: #fef3c7;
    color: #92400e;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    text-align: center;
    border-left: 4px solid #f59e0b;
}

.demo-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.demo-dashboard {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.demo-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 0.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.demo-chart {
    margin-bottom: 2rem;
}

.demo-chart h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.chart-container {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.demo-report {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.demo-report h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.report-content {
    color: var(--text-secondary);
}

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

.pricing-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid var(--border-color);
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

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

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price span {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.pricing-features li::before {
    content: '✓';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* Docs Section */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.docs-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.docs-card:hover {
    transform: translateY(-5px);
}

.docs-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.docs-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.docs-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.docs-link:hover {
    color: var(--accent-color);
}

.docs-content {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.docs-content h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.docs-content h5 {
    margin: 1.5rem 0 1rem 0;
    color: var(--text-primary);
}

.docs-content ul {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.docs-content li {
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.recaptcha-notice {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1rem;
}

.recaptcha-notice a {
    color: var(--primary-color);
    text-decoration: none;
}

.recaptcha-notice a:hover {
    text-decoration: underline;
}

/* Legal Section */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-notice {
    background: #fef3c7;
    color: #92400e;
    padding: 2rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
    border-left: 4px solid #f59e0b;
}

.legal-notice h3 {
    margin-bottom: 1rem;
    color: #92400e;
}

.legal-notice ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.legal-notice li {
    margin-bottom: 0.5rem;
}

.legal-docs {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.legal-docs h4 {
    margin: 1.5rem 0 1rem 0;
    color: var(--text-primary);
}

.legal-docs h4:first-child {
    margin-top: 0;
}

.legal-docs p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 3rem;
    align-items: start;
    margin-bottom: 2rem;
}

.footer-brand .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

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

    .nav-toggle {
        display: block;
    }

    .nav-toggle[aria-expanded="true"] .hamburger {
        background: transparent;
    }

    .nav-toggle[aria-expanded="true"] .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }

    .nav-toggle[aria-expanded="true"] .hamburger::after {
        transform: rotate(-45deg);
        top: 0;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .hero-logo {
        font-size: 3rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .pricing-grid,
    .docs-grid {
        grid-template-columns: 1fr;
    }

    .demo-metrics {
        grid-template-columns: 1fr 1fr;
    }
}