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

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #8b5cf6;
    --secondary: #ec4899;
    --accent: #06b6d4;
    
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(255, 255, 255, 0.03);
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition-base);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    text-decoration: none;
}

.logo {
    font-size: var(--font-size-2xl);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

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

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-primary.large,
.btn-secondary.large {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
}

.btn-primary.full-width,
.btn-secondary.full-width {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    width: 16px;
    height: 16px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-3xl) var(--space-lg);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #6366f1, transparent);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #8b5cf6, transparent);
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, #ec4899, transparent);
    top: 10%;
    right: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-xl);
    font-size: var(--font-size-sm);
    color: var(--primary);
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

@media (max-width: 768px) {
    .hero {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: var(--space-xl);
    }
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    color: var(--text-primary);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Demo Section */
.demo {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.demo-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.demo-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.demo-features {
    margin-bottom: var(--space-xl);
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.feature-check {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.demo-visual {
    position: relative;
}

.demo-screen {
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: screenGlow 3s ease-in-out infinite alternate;
}

@keyframes screenGlow {
    0% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.1); }
    100% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.3); }
}

.screen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.screen-dots {
    display: flex;
    gap: var(--space-sm);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.screen-title {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.screen-content {
    padding: var(--space-lg);
}

.dashboard-preview {
    display: flex;
    gap: var(--space-md);
    min-height: 300px;
}

.dashboard-sidebar {
    width: 120px;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.sidebar-item {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    transition: var(--transition-base);
}

.sidebar-item.active {
    background: var(--primary);
    color: var(--text-primary);
}

.dashboard-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.dashboard-stats {
    display: flex;
    gap: var(--space-md);
}

.stat-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.stat-trend {
    font-size: var(--font-size-xs);
    margin-top: var(--space-xs);
}

.stat-trend.up {
    color: #10b981;
}

.dashboard-chart {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.chart-placeholder {
    height: 100%;
    display: flex;
    align-items: end;
    justify-content: center;
}

.chart-bars {
    display: flex;
    gap: var(--space-sm);
    align-items: end;
    height: 80px;
}

.bar {
    width: 8px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: barGrow 2s ease-out infinite alternate;
}

@keyframes barGrow {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

@media (max-width: 768px) {
    .demo-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .dashboard-preview {
        flex-direction: column;
    }
    
    .dashboard-sidebar {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
    }
    
    .dashboard-stats {
        flex-direction: column;
    }
}

/* Pricing Section */
.pricing {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    transition: var(--transition-base);
}

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

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--text-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-2xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.pricing-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.price-currency {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.price-amount {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--text-primary);
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.pricing-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.pricing-features {
    margin-bottom: var(--space-xl);
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.pricing-feature .feature-check {
    color: var(--primary);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Contact Section */
.contact {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    flex-shrink: 0;
}

.method-icon svg {
    width: 20px;
    height: 20px;
}

.method-details h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.method-details p {
    color: var(--text-secondary);
}

/* Form */
.form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* reCAPTCHA */
.g-recaptcha {
    margin: var(--space-lg) 0;
    display: flex;
    justify-content: center;
}

@media (max-width: 768px) {
    .g-recaptcha {
        transform: scale(0.85);
        transform-origin: center;
    }
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-lg);
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary);
}

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

.footer-copyright {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.social-link:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.social-link svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    color: var(--text-primary);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
}

.demo-credentials {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
}

.credential-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    padding: var(--space-sm) 0;
}

.credential-item:last-child {
    margin-bottom: 0;
}

.credential-item strong {
    color: var(--text-primary);
    min-width: 100px;
}

.credential-item code {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-sm);
    color: var(--primary);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-sm);
    flex: 1;
    margin: 0 var(--space-sm);
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.copy-btn:hover {
    transform: scale(1.1);
}

.demo-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-lg);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --space-3xl: 2rem;
        --space-2xl: 1.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .feature-card {
        padding: var(--space-lg);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* Dark mode scroll bar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Selection */
::selection {
    background: var(--primary);
    color: var(--text-primary);
}

/* ===============================================
   USER MENU - Header Navigation (Authenticated)
   =============================================== */
.auth-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.user-menu {
    position: relative;
}

.user-info-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: rgba(201, 169, 255, 0.1);
    border: 1px solid rgba(201, 169, 255, 0.2);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
}

.user-info-nav:hover {
    background: rgba(201, 169, 255, 0.15);
    border-color: rgba(201, 169, 255, 0.4);
}

.user-avatar-nav {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.user-name-nav {
    color: #e4e4e7;
    font-weight: 500;
    font-size: 0.95rem;
}

.user-info-nav i.fa-chevron-down {
    color: #a1a1aa;
    font-size: 0.75rem;
    transition: transform 0.3s;
}

.user-info-nav.open i.fa-chevron-down {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: rgba(24, 24, 27, 0.98);
    border: 1px solid rgba(201, 169, 255, 0.2);
    border-radius: 12px;
    min-width: 200px;
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #e4e4e7;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.dropdown-item:hover {
    background: rgba(201, 169, 255, 0.1);
    color: #c9a9ff;
}

.dropdown-item i {
    width: 20px;
    text-align: center;
    color: #a1a1aa;
}

.dropdown-item:hover i {
    color: #c9a9ff;
}

.dropdown-item.logout {
    color: #ef4444;
}

.dropdown-item.logout:hover {
    background: rgba(239, 68, 68, 0.1);
}

.dropdown-item.logout i {
    color: #ef4444;
}

.dropdown-divider {
    height: 1px;
    background: rgba(63, 63, 70, 0.5);
    margin: 0.5rem 0;
}

@media (max-width: 768px) {
    .user-menu {
        width: 100%;
    }
    
    .user-info-nav {
        width: 100%;
        justify-content: space-between;
    }
    
    .user-dropdown {
        position: static;
        margin-top: 0.5rem;
        transform: none;
    }
}