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

:root {
    /* Colors from the app */
    --primary-500: #0ea5e9;
    --background-primary: #0F172A;
    --background-secondary: #1E293B;
    --background-tertiary: #334155;
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #64748B;
    --ai-primary: #3B82F6;
    --premium-primary: #F59E0B;
    --success: #10B981;
    --border-color: #2D3748;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #3B82F6 100%);
    --gradient-ai: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --gradient-premium: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 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;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
    /* Add safe area padding for mobile devices */
    padding-top: env(safe-area-inset-top);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

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

.nav-links a:hover {
    color: var(--primary-500);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    position: relative;
    overflow: hidden;
    /* Account for navbar height and safe area on mobile */
    padding-top: calc(var(--spacing-3xl) + 80px + env(safe-area-inset-top));
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(14,165,233,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

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

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

.btn-secondary:hover {
    background: var(--background-tertiary);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--primary-500);
    background: rgba(14, 165, 233, 0.1);
}

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

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

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-500);
}

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

/* App Showcase */
.app-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-screenshot {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    filter: drop-shadow(0 0 20px rgba(14, 165, 233, 0.3));
}

.floating-card {
    position: absolute;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.ai-card {
    top: 20%;
    left: -10%;
    color: var(--ai-primary);
    animation-delay: 0s;
}

.chart-card {
    top: 50%;
    right: -15%;
    color: var(--success);
    animation-delay: 1s;
}

.portfolio-card {
    bottom: 20%;
    left: -5%;
    color: var(--premium-primary);
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

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

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

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

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

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

.feature-card {
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(14, 165, 233, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-2xl);
}

.ai-icon {
    background: rgba(59, 130, 246, 0.2);
    color: var(--ai-primary);
}

.market-icon {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.portfolio-icon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--premium-primary);
}

.security-icon {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-500);
}

.mobile-icon {
    background: rgba(139, 92, 246, 0.2);
    color: #8B5CF6;
}

.education-icon {
    background: rgba(34, 197, 94, 0.2);
    color: #22C55E;
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.feature-list li::before {
    content: '✓';
    color: var(--success);
    font-weight: bold;
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-3xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border-color: var(--primary-500);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

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

.pricing-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

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

.amount {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-500);
}

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

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

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

.pricing-features .fas {
    color: var(--success);
    width: 16px;
}

/* Download Section */
.download {
    padding: var(--spacing-3xl) 0;
    background: var(--background-secondary);
    text-align: center;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    min-width: 200px;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.download-btn i {
    font-size: var(--font-size-2xl);
}

.download-text {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.store-name {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.contact-info {
    margin-top: var(--spacing-2xl);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-info a {
    color: var(--primary-500);
    text-decoration: none;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-500);
    border-color: var(--primary-500);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--background-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
}

.footer-logo span {
    font-weight: 600;
    color: var(--primary-500);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

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

.footer-links a:hover {
    color: var(--primary-500);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        /* Add extra top padding for mobile devices to ensure content is visible */
        padding-top: calc(var(--spacing-3xl) + 100px + env(safe-area-inset-top));
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .floating-card {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        /* Extra padding for smaller mobile screens */
        padding-top: calc(var(--spacing-3xl) + 120px + env(safe-area-inset-top));
        padding-bottom: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .feature-card,
    .pricing-card {
        padding: var(--spacing-lg);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}