/* PiyVpn.ru - Enhanced High-tech CSS Design System */

/* iOS Safari Fixes - Must be at the top */
@supports (-webkit-touch-callout: none) {
    /* iOS Safari viewport fix */
    html {
        height: -webkit-fill-available;
    }
    
    body {
        min-height: 100vh;
        min-height: -webkit-fill-available;
        /* Force background rendering on iOS */
        background-attachment: scroll !important;
    }
}

/* Mobile-first CSS Reset for better compatibility */
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* Prevent zoom on input focus (iOS Safari) */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    font-size: 16px !important;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

@media screen and (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    textarea,
    select {
        font-size: 16px !important;
    }
}

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Dark Theme Colors - Deep blacks and dark grays */
    --color-bg-primary: #0a0c15;
    --color-bg-secondary: #0f1419;
    --color-bg-tertiary: #1a1f35;
    --color-bg-card: #151a2e;
    --color-bg-overlay: rgba(10, 12, 21, 0.9);
    
    /* Neon Accent Colors - Cyan, electric blue, green */
    --color-accent-cyan: #00f2fe;
    --color-accent-blue: #4facfe;
    --color-accent-green: #51cf66;
    --color-accent-electric: #2a8cff;
    --color-accent-purple: #a855f7;
    --color-accent-pink: #ec4899;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e7ff;
    --color-text-muted: #8899aa;
    --color-text-accent: #2a8cff;
    
    /* Technical Fonts - Clean, technical-looking fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', 'Courier New', monospace;
    --font-display: 'Inter', system-ui, sans-serif;
    
    /* Responsive Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 5rem;
    --space-5xl: 6rem;
    
    /* Animation Durations */
    --duration-fast: 200ms;
    --duration-normal: 300ms;
    --duration-slow: 400ms;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    
    /* Shadows and Effects */
    --shadow-glow: 0 0 20px rgba(42, 140, 255, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(42, 140, 255, 0.5);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-elevated: 0 16px 64px rgba(0, 0, 0, 0.6);
    --shadow-neon-cyan: 0 0 30px rgba(0, 242, 254, 0.4);
    --shadow-neon-green: 0 0 30px rgba(81, 207, 102, 0.4);
    
    /* Geometric Patterns */
    --pattern-grid: linear-gradient(rgba(42, 140, 255, 0.1) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(42, 140, 255, 0.1) 1px, transparent 1px);
    --pattern-dots: radial-gradient(circle, rgba(42, 140, 255, 0.2) 1px, transparent 1px);
    
    /* Mobile-first responsive breakpoints */
    --breakpoint-sm: 480px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
}

/* Mobile-first responsive spacing adjustments */
@media (max-width: 480px) {
    :root {
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
        --space-5xl: 3.5rem;
    }
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* Mobile font size adjustment */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
}

body {
    font-family: var(--font-primary);
    background: 
        var(--pattern-grid),
        linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 100%);
    background-size: 50px 50px, 100% 100%;
    background-attachment: fixed, fixed;
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Mobile background optimization */
@media (max-width: 768px) {
    body {
        background-size: 30px 30px, 100% 100%;
        background-attachment: scroll, scroll;
        background-color: var(--color-bg-primary);
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }

    /* Отключаем тяжёлые анимации на мобильных */
    body::before { display: none; }
    .brand-icon::before { display: none; }

    .hero-content,
    .dashboard-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    html {
        height: -webkit-fill-available;
    }
}

/* Futuristic background overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 242, 254, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(79, 172, 254, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(168, 85, 247, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-overlay);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(42, 140, 255, 0.2);
    z-index: 1000;
    transition: all var(--duration-normal) ease;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-accent-cyan) 20%, 
        var(--color-accent-electric) 50%, 
        var(--color-accent-blue) 80%, 
        transparent 100%);
    opacity: 0.6;
}

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

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

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    color: white;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.brand-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--duration-fast) ease;
    position: relative;
    padding: var(--space-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-electric));
    transition: width var(--duration-normal) ease;
}

.nav-link:hover {
    color: var(--color-accent-electric);
    transform: translateY(-1px);
}

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

.nav-link.active {
    color: var(--color-accent-electric);
}

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

.nav-link.nav-cta {
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
}

.nav-link.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--duration-fast) ease;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    position: relative;
    overflow: hidden;
    user-select: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--duration-normal) ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    color: white;
    box-shadow: 0 8px 24px rgba(79, 172, 254, 0.4);
    border: 1px solid rgba(79, 172, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-strong);
    border-color: var(--color-accent-cyan);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 4px 16px rgba(79, 172, 254, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent-electric);
    border: 2px solid var(--color-accent-electric);
    box-shadow: 0 0 0 rgba(42, 140, 255, 0);
}

.btn-secondary:hover {
    background: var(--color-accent-electric);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary:active {
    transform: translateY(0) scale(0.98);
}

/* Hero Section - Simplified and Mobile-First */
.hero {
    padding: 100px 0 60px;
    text-align: center;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.hero-benefits {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.benefit-item .icon {
    color: var(--color-accent-electric);
    width: 1rem;
    height: 1rem;
    margin: 0;
}

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

/* Quick Access Section */
.quick-access {
    padding: 60px 0;
    background: rgba(42, 140, 255, 0.03);
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.access-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(42, 140, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.access-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent-electric);
    box-shadow: 0 4px 16px rgba(42, 140, 255, 0.1);
}

.access-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.access-card p {
    color: var(--color-text-muted);
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Pricing Section */
.pricing-main {
    padding: 60px 0;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 2px solid rgba(42, 140, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent-electric);
    box-shadow: 0 4px 16px rgba(42, 140, 255, 0.1);
}

.pricing-card.popular {
    border-color: var(--color-accent-electric);
    box-shadow: 0 0 20px rgba(42, 140, 255, 0.15);
    transform: scale(1.02);
}

.pricing-card.popular:hover {
    transform: scale(1.02) translateY(-2px);
}

.popular-label {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 0 0 0.5rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-period {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent-electric);
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

.plan-save {
    color: var(--color-accent-green);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.plan-features {
    margin-bottom: 1.5rem;
}

.feature {
    padding: 0.25rem 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-align: left;
}

/* Final CTA */
.final-cta {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(42, 140, 255, 0.1), rgba(0, 242, 254, 0.05));
    text-align: center;
}

.final-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.final-cta p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

/* Section Headers */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    padding: var(--space-2xl);
    position: relative;
}

.tech-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--pattern-dots);
    background-size: 20px 20px;
    opacity: 0.3;
    pointer-events: none;
}

.tech-node {
    width: 80px;
    height: 80px;
    background: var(--color-bg-tertiary);
    border: 2px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-lg);
    position: relative;
    transition: all var(--duration-normal) ease;
    cursor: pointer;
}

.tech-node::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    background: linear-gradient(135deg, transparent, rgba(42, 140, 255, 0.1));
    border-radius: calc(var(--radius-lg) - 2px);
    opacity: 0;
    transition: opacity var(--duration-normal) ease;
}

.tech-node:hover {
    transform: scale(1.05);
    border-color: var(--color-accent-electric);
}

.tech-node:hover::after {
    opacity: 1;
}

.tech-node.active {
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    border-color: var(--color-accent-cyan);
    box-shadow: var(--shadow-neon-cyan);
    transform: scale(1.1);
    animation: techNodePulse 2s infinite;
}

.tech-node.active::after {
    opacity: 0;
}

.tech-node::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: var(--color-accent-electric);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: all var(--duration-normal) ease;
}

.tech-node.active::before {
    opacity: 1;
    animation: pulse 2s infinite;
    box-shadow: 0 0 20px rgba(42, 140, 255, 0.6);
}

/* Features Section - Simplified */
.features {
    padding: 60px 0;
    background: rgba(26, 31, 53, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(42, 140, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent-electric);
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.6);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    box-shadow: 0 0 20px rgba(42, 140, 255, 0.3);
}

.feature-icon .icon {
    width: 2.5rem;
    height: 2.5rem;
    margin: 0;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.feature-description {
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* CTA Section - Simplified */
.cta {
    padding: 60px 0;
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Test Mode Notice */
.test-mode-notice {
    background: rgba(255, 215, 0, 0.1);
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    padding: var(--space-md) 0;
}

.notice-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: #ffd700;
    font-weight: 500;
}

.test-mode-badge {
    background: rgba(255, 215, 0, 0.2);
    color: #ffd700;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid rgba(42, 140, 255, 0.1);
    padding: var(--space-2xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.footer-text {
    color: var(--color-text-muted);
    margin: 0;
}

/* Flash Messages */
.flash-messages {
    position: fixed;
    top: 80px;
    right: var(--space-lg);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.flash-message {
    background: var(--color-bg-card);
    border: 1px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-width: 300px;
    box-shadow: var(--shadow-card);
    animation: slideInRight var(--duration-normal) ease;
}

.flash-success {
    border-color: var(--color-accent-green);
    background: rgba(81, 207, 102, 0.1);
}

.flash-error {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.flash-info {
    border-color: var(--color-accent-electric);
    background: rgba(42, 140, 255, 0.1);
}

.flash-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--duration-fast) ease;
}

.flash-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.7;
    }
}

/* Loading Animations - Tech Style */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(42, 140, 255, 0.2);
    border-top: 3px solid var(--color-accent-electric);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--color-accent-electric);
    border-radius: 50%;
    animation: loadingDots 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

.loading-bar {
    width: 100%;
    height: 4px;
    background: rgba(42, 140, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.loading-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        var(--color-accent-electric), 
        var(--color-accent-cyan), 
        transparent);
    animation: loadingBar 2s infinite;
}

.loading-pulse {
    width: 60px;
    height: 60px;
    background: var(--color-accent-electric);
    border-radius: 50%;
    animation: loadingPulse 1.5s infinite;
    position: relative;
}

.loading-pulse::before,
.loading-pulse::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    border: 2px solid var(--color-accent-electric);
    animation: loadingPulseRing 1.5s infinite;
}

.loading-pulse::after {
    animation-delay: 0.75s;
}

/* Form Field Focus Animations with Glowing Effects */
.form-group {
    position: relative;
    margin-bottom: var(--space-lg);
}

.form-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-card);
    border: 2px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--duration-normal) ease;
    outline: none;
}

.form-input:focus {
    border-color: var(--color-accent-electric);
    box-shadow: 
        0 0 0 3px rgba(42, 140, 255, 0.1),
        0 0 20px rgba(42, 140, 255, 0.3);
    transform: translateY(-1px);
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    transform: translateY(-24px) scale(0.85);
    color: var(--color-accent-electric);
}

.form-label {
    position: absolute;
    top: var(--space-md);
    left: var(--space-lg);
    color: var(--color-text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: all var(--duration-normal) ease;
    transform-origin: left top;
}

.form-input.error {
    border-color: #ff6b6b;
    box-shadow: 
        0 0 0 3px rgba(255, 107, 107, 0.1),
        0 0 20px rgba(255, 107, 107, 0.3);
}

.form-input.success {
    border-color: var(--color-accent-green);
    box-shadow: 
        0 0 0 3px rgba(81, 207, 102, 0.1),
        0 0 20px rgba(81, 207, 102, 0.3);
}

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

@keyframes loadingDots {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes loadingBar {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes loadingPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}

@keyframes loadingPulseRing {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(42, 140, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(42, 140, 255, 0.6);
    }
}

/* Page Transition Animations (200-400ms) */
@keyframes pageSlideIn {
    0% {
        opacity: 0;
        transform: translateX(30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pageSlideOut {
    0% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-30px);
    }
}

@keyframes pageFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.98);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Hover Effect Animations with Color Transitions */
@keyframes hoverGlow {
    0% {
        box-shadow: 0 0 0 rgba(42, 140, 255, 0);
    }
    100% {
        box-shadow: 0 0 30px rgba(42, 140, 255, 0.4);
    }
}

@keyframes hoverScale {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
    }
}

@keyframes colorShift {
    0% {
        border-color: rgba(42, 140, 255, 0.2);
    }
    100% {
        border-color: var(--color-accent-electric);
    }
}

/* Form Focus Glowing Effects */
@keyframes focusGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(42, 140, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 3px rgba(42, 140, 255, 0.1), 0 0 20px rgba(42, 140, 255, 0.3);
    }
}

@keyframes inputSuccess {
    0% {
        border-color: rgba(42, 140, 255, 0.2);
        box-shadow: 0 0 0 rgba(81, 207, 102, 0);
    }
    100% {
        border-color: var(--color-accent-green);
        box-shadow: 0 0 0 3px rgba(81, 207, 102, 0.1), 0 0 20px rgba(81, 207, 102, 0.3);
    }
}

@keyframes inputError {
    0% {
        border-color: rgba(42, 140, 255, 0.2);
        box-shadow: 0 0 0 rgba(255, 107, 107, 0);
    }
    100% {
        border-color: #ff6b6b;
        box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1), 0 0 20px rgba(255, 107, 107, 0.3);
    }
}

/* Tech-Style Loading Animations */
@keyframes scanLine {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

@keyframes dataStream {
    0% {
        transform: translateY(100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100%);
        opacity: 0;
    }
}

@keyframes circuitPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* Button Click Feedback Animation */
@keyframes buttonPress {
    0% {
        transform: translateY(-2px) scale(1);
    }
    50% {
        transform: translateY(0) scale(0.98);
    }
    100% {
        transform: translateY(-2px) scale(1);
    }
}

/* Tech Node Pulse Animation */
@keyframes techNodePulse {
    0%, 100% {
        box-shadow: var(--shadow-neon-cyan);
        transform: scale(1.1);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 242, 254, 0.6);
        transform: scale(1.15);
    }
}

/* Mobile Menu Animation */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Dots Animation */
.loading-dots {
    display: inline-flex;
    gap: 4px;
    margin-right: var(--space-sm);
}

.loading-dots span {
    width: 6px;
    height: 6px;
    background: currentColor;
    border-radius: 50%;
    animation: loadingDots 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

/* Flash Messages */
.flash-message {
    position: fixed;
    top: 90px;
    right: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-elevated);
    z-index: 1001;
    animation: slideInRight var(--duration-normal) ease;
    max-width: 400px;
}

.flash-message.flash-success {
    border-color: var(--color-accent-green);
    background: rgba(81, 207, 102, 0.1);
}

.flash-message.flash-error {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.flash-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    margin-left: auto;
    padding: 0;
    line-height: 1;
}

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

/* SVG Icons */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    fill: currentColor;
    vertical-align: middle;
    margin-right: 0.5rem;
}

.icon-sm {
    width: 0.875rem;
    height: 0.875rem;
}

.icon-lg {
    width: 1.25rem;
    height: 1.25rem;
}

.icon-xl {
    width: 1.5rem;
    height: 1.5rem;
}

/* Smooth Scroll Animation Classes */
.page-transition-enter {
    animation: pageSlideIn 300ms ease-out;
}

.page-transition-exit {
    animation: pageSlideOut 300ms ease-in;
}

.fade-in {
    animation: pageFadeIn 400ms ease-out;
}

/* Interactive Element Classes */
.hover-glow:hover {
    animation: hoverGlow 200ms ease-out forwards;
}

.hover-scale:hover {
    animation: hoverScale 200ms ease-out forwards;
}

.color-transition {
    transition: border-color 300ms ease, color 300ms ease, background-color 300ms ease;
}

.color-transition:hover {
    animation: colorShift 300ms ease-out forwards;
}

/* Form Animation Classes */
.form-input.focus-animate:focus {
    animation: focusGlow 300ms ease-out forwards;
}

.form-input.success-animate {
    animation: inputSuccess 300ms ease-out forwards;
}

.form-input.error-animate {
    animation: inputError 300ms ease-out forwards;
}

/* Loading Animation Classes */
.loading-scan::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent-electric), transparent);
    animation: scanLine 2s infinite;
    z-index: 9999;
}

.data-stream {
    position: relative;
    overflow: hidden;
}

.data-stream::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(42, 140, 255, 0.1) 2px,
        rgba(42, 140, 255, 0.1) 4px
    );
    animation: dataStream 3s infinite;
}

/* Circuit-style decorative elements */
.circuit-decoration {
    position: relative;
}

.circuit-decoration::before,
.circuit-decoration::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent-electric);
    border-radius: 50%;
    animation: circuitPulse 2s infinite;
}

.circuit-decoration::before {
    top: 10px;
    left: 10px;
}

.circuit-decoration::after {
    bottom: 10px;
    right: 10px;
    animation-delay: 1s;
}

/* Mobile Responsive Design - Mobile First */
@media (max-width: 768px) {
    /* Navigation */
    .nav-container {
        padding: 0 1rem;
        height: 60px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 12, 21, 0.98);
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(42, 140, 255, 0.2);
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    }
    
    .nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav-balance {
        display: none;
    }
    
    /* Hero Section */
    .hero {
        padding: 70px 0 30px;
    }
    
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
        margin-bottom: 0.75rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
        line-height: 1.4;
    }
    
    .hero-benefits {
        flex-direction: column;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }
    
    .benefit-item {
        font-size: 0.85rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    /* Quick Access */
    .quick-access {
        padding: 30px 0;
    }
    
    .access-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.25rem;
    }
    
    .access-card {
        padding: 1.25rem;
    }
    
    .access-card h3 {
        font-size: 1rem;
        margin-bottom: 0.375rem;
    }
    
    .access-card p {
        font-size: 0.85rem;
    }
    
    /* Pricing */
    .pricing-main {
        padding: 30px 0;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.25rem;
    }
    
    .pricing-card {
        padding: 1.25rem;
    }
    
    .pricing-card.popular {
        transform: none;
        order: -1;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-2px);
    }
    
    .plan-period {
        font-size: 1rem;
        margin-bottom: 0.375rem;
    }
    
    .plan-price {
        font-size: 1.75rem;
        margin-bottom: 0.375rem;
    }
    
    .plan-save {
        font-size: 0.8rem;
        margin-bottom: 0.75rem;
    }
    
    .plan-features {
        margin-bottom: 1.25rem;
    }
    
    .feature {
        font-size: 0.85rem;
        padding: 0.2rem 0;
    }
    
    /* Final CTA */
    .final-cta {
        padding: 30px 0;
    }
    
    .final-cta h2 {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }
    
    .final-cta p {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }
    
    /* Section Titles */
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 0.375rem;
    }
    
    .section-description {
        font-size: 0.95rem;
    }
    
    /* Container */
    .container {
        padding: 0 1rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    /* Extra small screens */
    .nav-container {
        padding: 0 0.75rem;
    }
    
    .hero {
        padding: 60px 0 25px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    .benefit-item {
        font-size: 0.8rem;
    }
    
    .quick-access,
    .pricing-main,
    .final-cta {
        padding: 25px 0;
    }
    
    .access-card,
    .pricing-card {
        padding: 1rem;
    }
    
    .section-title {
        font-size: 1.375rem;
    }
    
    .section-description {
        font-size: 0.9rem;
    }
    
    .plan-price {
        font-size: 1.5rem;
    }
    
    .final-cta h2 {
        font-size: 1.375rem;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
    
    .btn-large {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
}

/* Notification System Styles */
.notification-container {
    position: fixed;
    top: 80px;
    right: var(--space-lg);
    z-index: 1002;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}

.notification {
    background: var(--color-bg-card);
    border: 1px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    box-shadow: var(--shadow-card);
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--duration-normal) ease;
}

.notification-show {
    transform: translateX(0);
    opacity: 1;
}

.notification-hide {
    transform: translateX(100%);
    opacity: 0;
}

.notification-success {
    border-color: var(--color-accent-green);
    background: rgba(81, 207, 102, 0.1);
}

.notification-error {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.notification-info {
    border-color: var(--color-accent-electric);
    background: rgba(42, 140, 255, 0.1);
}

.notification-warning {
    border-color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
}

.notification-message {
    color: var(--color-text-primary);
    font-weight: 500;
    flex: 1;
}

.notification-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--duration-fast) ease;
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

/* Enhanced Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 12, 21, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    z-index: 10;
}

.loading-spinner-large {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(42, 140, 255, 0.2);
    border-top: 4px solid var(--color-accent-electric);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Form Enhancement Styles */
.form-field-wrapper {
    position: relative;
}

.form-field-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    transition: color var(--duration-fast) ease;
}

.form-input:focus + .form-field-icon {
    color: var(--color-accent-electric);
}

.form-validation-icon {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    opacity: 0;
    transition: all var(--duration-fast) ease;
}

.form-input.success + .form-validation-icon.success {
    opacity: 1;
    color: var(--color-accent-green);
}

.form-input.error + .form-validation-icon.error {
    opacity: 1;
    color: #ff6b6b;
}

/* API Status Indicators */
.api-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.api-status.online {
    background: rgba(81, 207, 102, 0.2);
    color: var(--color-accent-green);
}

.api-status.offline {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
}

.api-status.loading {
    background: rgba(42, 140, 255, 0.2);
    color: var(--color-accent-electric);
}

.api-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

/* Enhanced Button States */
.btn-with-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Responsive Notifications */
@media (max-width: 768px) {
    .notification-container {
        right: var(--space-sm);
        left: var(--space-sm);
        max-width: none;
    }
    
    .notification {
        min-width: auto;
    }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    .notification,
    .loading-spinner,
    .loading-spinner-large,
    .api-status-dot {
        animation: none;
    }
    
    .notification-show,
    .notification-hide {
        transition: opacity var(--duration-fast) ease;
        transform: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .notification {
        border-width: 2px;
    }
    
    .notification-success {
        border-color: #00ff00;
    }
    
    .notification-error {
        border-color: #ff0000;
    }
    
    .notification-info {
        border-color: #0080ff;
    }
    
    .notification-warning {
        border-color: #ffff00;
    }
}

/* Notification System Styles */
.notification-container {
    position: fixed;
    top: 80px;
    right: 1rem;
    z-index: 1002;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}

.notification {
    background: var(--color-bg-card);
    border: 1px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-elevated);
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--duration-normal) ease;
    backdrop-filter: blur(20px);
}

.notification.notification-show {
    transform: translateX(0);
    opacity: 1;
}

.notification.notification-hide {
    transform: translateX(100%);
    opacity: 0;
}

.notification-success {
    border-color: var(--color-accent-green);
    box-shadow: 0 0 20px rgba(81, 207, 102, 0.3);
}

.notification-error {
    border-color: #ff6b6b;
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.3);
}

.notification-warning {
    border-color: #ffa502;
    box-shadow: 0 0 20px rgba(255, 165, 2, 0.3);
}

.notification-info {
    border-color: var(--color-accent-electric);
    box-shadow: 0 0 20px rgba(42, 140, 255, 0.3);
}

.notification-message {
    flex: 1;
    color: var(--color-text-primary);
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-xs);
    margin-left: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) ease;
}

.notification-close:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid var(--color-accent-electric);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Form Validation States */
.form-validation {
    font-size: 0.875rem;
    margin-top: var(--space-xs);
    min-height: 1.2em;
    opacity: 0;
    transition: opacity var(--duration-fast) ease;
}

.form-validation.show {
    opacity: 1;
}

.form-validation.error {
    color: #ff6b6b;
}

.form-validation.success {
    color: var(--color-accent-green);
}

/* Enhanced Input States */
input.success {
    border-color: var(--color-accent-green) !important;
    box-shadow: 0 0 0 3px rgba(81, 207, 102, 0.1), 0 0 20px rgba(81, 207, 102, 0.3) !important;
}

input.error {
    border-color: #ff6b6b !important;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1), 0 0 20px rgba(255, 107, 107, 0.3) !important;
}

/* Button Loading Animation */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 4px;
    height: 4px;
    background: currentColor;
    border-radius: 50%;
    animation: loadingDots 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loadingDots {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Mobile Responsive Notifications */
@media (max-width: 768px) {
    .notification-container {
        right: var(--space-sm);
        left: var(--space-sm);
        max-width: none;
    }
    
    .notification {
        padding: var(--space-sm);
    }
}
/* Test Mode Banner Styles */
.test-mode-banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa502 100%);
    padding: var(--space-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1001;
    box-shadow: 0 2px 10px rgba(255, 107, 107, 0.3);
    animation: testModePulse 3s ease-in-out infinite;
}

.test-mode-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    color: white;
    font-weight: 600;
}

.test-mode-icon {
    display: flex;
    align-items: center;
}

.test-mode-text {
    font-size: 0.9rem;
}

.test-mode-status {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
}

@keyframes testModePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* VPN Control Panel Styles */
.vpn-control-panel {
    background: var(--color-bg-card);
    border: 1px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-top: var(--space-xl);
    box-shadow: var(--shadow-elevated);
}

.vpn-status-display {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.connection-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 1.1rem;
    font-weight: 600;
}

.indicator-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff6b6b;
    animation: indicatorPulse 2s ease-in-out infinite;
}

.indicator-dot.connected {
    background: var(--color-accent-green);
}

.indicator-dot.connecting {
    background: #ffa502;
    animation: indicatorSpin 1s linear infinite;
}

@keyframes indicatorPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

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

.vpn-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
}

.vpn-toggle {
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.vpn-toggle.connecting {
    background: linear-gradient(135deg, #ffa502, #ff6b6b);
    pointer-events: none;
}

.vpn-toggle.connected {
    background: linear-gradient(135deg, var(--color-accent-green), #26de81);
}

.vpn-toggle.connected:hover {
    background: linear-gradient(135deg, #ff6b6b, #e74c3c);
}

.server-selector {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
}

.server-selector label {
    color: var(--color-text-secondary);
    font-weight: 600;
}

.server-select {
    background: var(--color-bg-tertiary);
    border: 2px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    min-width: 250px;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}

.server-select:focus {
    outline: none;
    border-color: var(--color-accent-electric);
    box-shadow: 0 0 0 3px rgba(42, 140, 255, 0.1);
}

.server-select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* VPN Statistics Animation */
.hero-stats .stat-number {
    transition: all var(--duration-normal) ease;
}

.hero-stats .stat-number.updating {
    color: var(--color-accent-electric);
    transform: scale(1.05);
}

/* Test Mode Simulation Indicators */
.simulation-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255, 165, 2, 0.2);
    color: #ffa502;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(255, 165, 2, 0.3);
}

.simulation-badge .icon {
    width: 12px;
    height: 12px;
}

/* Connection Progress Animation */
.connection-progress {
    width: 100%;
    height: 4px;
    background: rgba(42, 140, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin: var(--space-sm) 0;
    opacity: 0;
    transition: opacity var(--duration-fast) ease;
}

.connection-progress.active {
    opacity: 1;
}

.connection-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-electric), var(--color-accent-cyan));
    width: 0%;
    transition: width var(--duration-slow) ease;
    animation: progressGlow 2s ease-in-out infinite;
}

@keyframes progressGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(42, 140, 255, 0.5); }
    50% { box-shadow: 0 0 20px rgba(42, 140, 255, 0.8); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .test-mode-content {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .test-mode-text {
        font-size: 0.8rem;
    }
    
    .vpn-control-panel {
        padding: var(--space-lg);
    }
    
    .vpn-controls {
        gap: var(--space-md);
    }
    
    .server-select {
        min-width: 200px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
}

/* Dark mode enhancements for test mode */
@media (prefers-color-scheme: dark) {
    .test-mode-banner {
        background: linear-gradient(135deg, #e74c3c 0%, #f39c12 100%);
    }
    
    .vpn-control-panel {
        background: rgba(21, 26, 46, 0.8);
        backdrop-filter: blur(20px);
    }
}
/* Pricing Page Styles */
.pricing-hero {
    padding: 120px 0 var(--space-3xl);
    background: 
        radial-gradient(circle at 30% 20%, rgba(42, 140, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 242, 254, 0.08) 0%, transparent 50%);
    text-align: center;
}

.pricing-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.pricing-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.pricing-hero-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.pricing-guarantee {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(81, 207, 102, 0.1);
    color: var(--color-accent-green);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(81, 207, 102, 0.2);
    font-weight: 600;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

/* Pricing Cards */
.pricing-card {
    background: var(--color-bg-card);
    border: 2px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    transition: all var(--duration-normal) ease;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(42, 140, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal) ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--color-accent-electric);
}

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

/* Popular Card */
.pricing-card.popular {
    border-color: var(--color-accent-electric);
    box-shadow: 0 0 40px rgba(42, 140, 255, 0.2);
    transform: scale(1.05);
}

.pricing-card.popular::before {
    background: linear-gradient(135deg, rgba(42, 140, 255, 0.1) 0%, rgba(0, 242, 254, 0.05) 100%);
    opacity: 1;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-8px);
    box-shadow: 0 0 60px rgba(42, 140, 255, 0.3);
}

/* Pricing Badge */
.pricing-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
    color: white;
    padding: var(--space-xs) var(--space-lg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: 0.875rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    box-shadow: 0 4px 20px rgba(42, 140, 255, 0.4);
}

/* Card Header */
.pricing-card-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.plan-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 8px 32px rgba(42, 140, 255, 0.3);
}

.plan-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.plan-description {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* Pricing */
.pricing-card-price {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(42, 140, 255, 0.1);
    border-bottom: 1px solid rgba(42, 140, 255, 0.1);
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.price-period {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.price-total {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

.price-save {
    background: linear-gradient(135deg, var(--color-accent-green), #26de81);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}

/* Features */
.pricing-card-features {
    margin-bottom: var(--space-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--color-text-secondary);
    border-bottom: 1px solid rgba(42, 140, 255, 0.05);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item .icon {
    color: var(--color-accent-green);
    flex-shrink: 0;
}

.feature-item.premium {
    color: var(--color-accent-electric);
    font-weight: 600;
}

.feature-item.premium .icon {
    color: var(--color-accent-electric);
}

/* Card Action */
.pricing-card-action {
    text-align: center;
}

/* Comparison Table */
.pricing-comparison {
    padding: var(--space-3xl) 0;
    background: rgba(10, 12, 21, 0.5);
}

.comparison-table {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(42, 140, 255, 0.2);
    max-width: 800px;
    margin: 0 auto;
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
    border-bottom: 2px solid rgba(42, 140, 255, 0.2);
}

.comparison-header .comparison-plan.popular {
    background: linear-gradient(135deg, rgba(42, 140, 255, 0.2), rgba(0, 242, 254, 0.1));
    position: relative;
}

.comparison-header .comparison-plan.popular::after {
    content: '★';
    position: absolute;
    top: 50%;
    right: var(--space-sm);
    transform: translateY(-50%);
    color: var(--color-accent-electric);
}

.comparison-feature,
.comparison-plan {
    padding: var(--space-lg);
    font-weight: 600;
    text-align: center;
}

.comparison-feature {
    text-align: left;
    color: var(--color-text-primary);
}

.comparison-plan {
    color: var(--color-text-secondary);
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    border-bottom: 1px solid rgba(42, 140, 255, 0.1);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:nth-child(even) {
    background: rgba(42, 140, 255, 0.02);
}

.comparison-feature,
.comparison-value {
    padding: var(--space-md) var(--space-lg);
}

.comparison-value {
    text-align: center;
    color: var(--color-text-muted);
}

.comparison-value.highlight {
    color: var(--color-accent-electric);
    font-weight: 600;
}

/* FAQ Section */
.pricing-faq {
    padding: var(--space-3xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--duration-normal) ease;
}

.faq-item:hover {
    border-color: var(--color-accent-electric);
    box-shadow: 0 8px 32px rgba(42, 140, 255, 0.1);
    transform: translateY(-4px);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.faq-question .icon {
    color: var(--color-accent-electric);
    flex-shrink: 0;
}

.faq-question h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.faq-answer {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .pricing-hero-title {
        font-size: 2.5rem;
    }
    
    .pricing-hero-description {
        font-size: 1.1rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding: 0 var(--space-md);
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-8px);
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .comparison-feature {
        text-align: center;
        background: var(--color-bg-tertiary);
        font-weight: 700;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
        padding: 0 var(--space-md);
    }
}

/* Animation for pricing cards */
@keyframes priceGlow {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(42, 140, 255, 0.2);
    }
    50% { 
        box-shadow: 0 0 40px rgba(42, 140, 255, 0.4);
    }
}

.pricing-card.popular {
    animation: priceGlow 3s ease-in-out infinite;
}

/* Hover effects for buttons in pricing cards */
.pricing-card .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(42, 140, 255, 0.4);
}

.pricing-card.popular .btn:hover {
    box-shadow: 0 8px 25px rgba(0, 242, 254, 0.4);
}

/* ========================================
   ENHANCED MOBILE RESPONSIVENESS
   ======================================== */

/* Enhanced Mobile Navigation */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--space-md);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 12, 21, 0.98);
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(42, 140, 255, 0.2);
        padding: var(--space-xl) var(--space-lg);
        flex-direction: column;
        gap: var(--space-lg);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--duration-normal) ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: var(--space-md) 0;
        font-size: 1.1rem;
        text-align: center;
        border-bottom: 1px solid rgba(42, 140, 255, 0.1);
        width: 100%;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-link.nav-cta {
        margin-top: var(--space-md);
        padding: var(--space-md) var(--space-xl);
        border-radius: var(--radius-lg);
        border-bottom: none;
    }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        cursor: pointer;
        gap: 4px;
        padding: var(--space-sm);
        border-radius: var(--radius-sm);
        transition: all var(--duration-fast) ease;
    }
    
    .nav-toggle:hover {
        background: rgba(42, 140, 255, 0.1);
    }
    
    .nav-toggle span {
        width: 25px;
        height: 3px;
        background: var(--color-text-primary);
        border-radius: 2px;
        transition: all var(--duration-fast) ease;
        transform-origin: center;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

/* Enhanced Mobile Hero Section */
@media (max-width: 768px) {
    .hero {
        padding: 100px 0 var(--space-2xl);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
        padding: 0 var(--space-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 1.1rem;
        margin-bottom: var(--space-xl);
    }
    
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
        margin: var(--space-xl) 0;
    }
    
    .stat-item {
        padding: var(--space-sm);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--space-md);
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 280px;
        padding: var(--space-lg) var(--space-xl);
        font-size: 1rem;
    }
    
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
        padding: var(--space-lg);
    }
    
    .tech-node {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .btn-large {
        padding: var(--space-md) var(--space-lg);
        font-size: 0.95rem;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
        padding: var(--space-md);
    }
    
    .tech-node {
        width: 50px;
        height: 50px;
    }
}

/* Enhanced Mobile Features Section */
@media (max-width: 768px) {
    .features {
        padding: var(--space-2xl) 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding: 0 var(--space-md);
    }
    
    .feature-card {
        padding: var(--space-xl);
        text-align: center;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto var(--space-md);
    }
    
    .feature-title {
        font-size: 1.25rem;
        margin-bottom: var(--space-sm);
    }
    
    .feature-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }
}

/* Enhanced Mobile Forms */
@media (max-width: 768px) {
    .auth-section {
        padding: 100px 0 var(--space-2xl);
    }
    
    .auth-card {
        margin: var(--space-md);
        padding: var(--space-2xl) var(--space-lg);
    }
    
    .auth-title {
        font-size: 1.75rem;
    }
    
    .form-group {
        margin-bottom: var(--space-md);
    }
    
    .form-input {
        padding: var(--space-md);
        font-size: 1rem;
        border-radius: var(--radius-md);
    }
    
    .form-input:focus {
        transform: none; /* Remove transform on mobile for better UX */
    }
    
    .form-options {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
    }
    
    .oauth-buttons {
        gap: var(--space-sm);
    }
    
    .btn-oauth {
        padding: var(--space-md);
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .auth-card {
        margin: var(--space-sm);
        padding: var(--space-xl) var(--space-md);
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
    
    .form-input {
        padding: var(--space-sm) var(--space-md);
    }
    
    .btn-oauth {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }
}

/* Enhanced Mobile Notifications */
@media (max-width: 768px) {
    .notification-container {
        top: 70px;
        right: var(--space-sm);
        left: var(--space-sm);
        max-width: none;
    }
    
    .notification {
        padding: var(--space-md);
        border-radius: var(--radius-md);
        font-size: 0.9rem;
    }
    
    .flash-messages {
        top: 70px;
        right: var(--space-sm);
        left: var(--space-sm);
    }
    
    .flash-message {
        min-width: auto;
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }
}

/* Enhanced Mobile Footer */
@media (max-width: 768px) {
    .footer {
        padding: var(--space-xl) 0;
    }
    
    .footer-content {
        padding: 0 var(--space-md);
        text-align: center;
    }
    
    .footer-brand {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-sm);
        margin-bottom: var(--space-md);
    }
    
    .footer-text {
        font-size: 0.9rem;
        margin-bottom: var(--space-sm);
    }
    
    .test-mode-badge {
        font-size: 0.8rem;
        padding: var(--space-xs) var(--space-sm);
    }
}

/* Touch-friendly Interactive Elements */
@media (max-width: 768px) {
    .btn,
    .nav-link,
    .form-input,
    .feature-card,
    .stat-item {
        min-height: 44px; /* iOS recommended touch target size */
        min-width: 44px;
    }
    
    .btn {
        padding: var(--space-md) var(--space-lg);
        font-size: 1rem;
        border-radius: var(--radius-lg);
    }
    
    .btn-large {
        padding: var(--space-lg) var(--space-xl);
        font-size: 1.1rem;
    }
    
    /* Increase tap targets for small elements */
    .flash-close,
    .notification-close,
    .password-toggle {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Mobile Performance Optimizations */
@media (max-width: 768px) {
    /* Reduce animation complexity on mobile */
    * {
        animation-duration: 0.2s !important;
        transition-duration: 0.2s !important;
    }
    
    /* Disable complex animations on mobile */
    .tech-node,
    .feature-card::before,
    .hero::before,
    body::before {
        animation: none !important;
    }
    
    /* Optimize background for mobile */
    body {
        background-attachment: scroll !important;
        background-size: 30px 30px, 100% 100% !important;
    }
    
    /* Reduce shadow complexity */
    .shadow-elevated,
    .shadow-glow-strong {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
    }
}

/* Mobile-specific Utility Classes */
.mobile-hidden {
    display: block;
}

.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .mobile-hidden {
        display: none !important;
    }
    
    .mobile-only {
        display: block !important;
    }
    
    .mobile-flex {
        display: flex !important;
    }
    
    .mobile-grid {
        display: grid !important;
    }
}

/* Enhanced Mobile Typography */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    h4 { font-size: 1.25rem; }
    h5 { font-size: 1.125rem; }
    h6 { font-size: 1rem; }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: var(--space-md);
    }
    
    .section-description {
        font-size: 1rem;
        margin-bottom: var(--space-lg);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.125rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.9rem; }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-description {
        font-size: 0.95rem;
    }
}

/* Mobile-specific Loading States */
@media (max-width: 768px) {
    .loading-spinner {
        width: 24px;
        height: 24px;
        border-width: 3px;
    }
    
    .loading-spinner-large {
        width: 40px;
        height: 40px;
        border-width: 3px;
    }
    
    .btn-loading::after {
        width: 16px;
        height: 16px;
        margin: -8px 0 0 -8px;
        border-width: 2px;
    }
}

/* Mobile Accessibility Improvements */
@media (max-width: 768px) {
    .focus-visible,
    *:focus-visible {
        outline: 3px solid var(--color-accent-electric);
        outline-offset: 3px;
    }
    
    .skip-link {
        font-size: 1.1rem;
        padding: var(--space-md);
    }
    
    /* Larger text for better readability */
    .form-validation {
        font-size: 1rem;
    }
    
    .notification-message {
        font-size: 1rem;
        line-height: 1.4;
    }
}

/* Dark mode mobile optimizations */
@media (max-width: 768px) and (prefers-color-scheme: dark) {
    .nav-menu {
        background: rgba(5, 6, 10, 0.98);
    }
    
    .auth-card {
        background: rgba(15, 20, 25, 0.95);
        backdrop-filter: blur(20px);
    }
}

/* Mobile-specific CTA Section */
@media (max-width: 768px) {
    .cta {
        padding: var(--space-2xl) 0;
    }
    
    .cta-content {
        padding: 0 var(--space-md);
    }
    
    .cta-title {
        font-size: 2rem;
        margin-bottom: var(--space-md);
    }
    
    .cta-description {
        font-size: 1rem;
        margin-bottom: var(--space-xl);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-description {
        font-size: 0.95rem;
    }
}

/* Mobile Profile Page Enhancements */
@media (max-width: 768px) {
    .profile-section {
        padding: 100px 0 var(--space-2xl);
    }
    
    .profile-container {
        padding: 0 var(--space-md);
    }
    
    .profile-card {
        margin: var(--space-md) 0;
        padding: var(--space-xl) var(--space-lg);
    }
    
    .profile-header {
        text-align: center;
        margin-bottom: var(--space-xl);
    }
    
    .profile-avatar {
        width: 80px;
        height: 80px;
        margin: 0 auto var(--space-md);
    }
    
    .profile-info {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        text-align: center;
    }
    
    .profile-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* Mobile Pricing Page Enhancements */
@media (max-width: 768px) {
    .pricing-hero {
        padding: 100px 0 var(--space-2xl);
    }
    
    .pricing-hero-content {
        padding: 0 var(--space-md);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding: 0 var(--space-md);
    }
    
    .pricing-card.popular {
        transform: none;
        margin-bottom: var(--space-lg);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-4px);
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .comparison-feature {
        text-align: center;
        background: var(--color-bg-tertiary);
        font-weight: 700;
        border-bottom: 2px solid rgba(42, 140, 255, 0.2);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
        padding: 0 var(--space-md);
    }
}

/* Mobile Contact Page Enhancements */
@media (max-width: 768px) {
    .contact-section {
        padding: 100px 0 var(--space-2xl);
    }
    
    .contact-container {
        padding: 0 var(--space-md);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .contact-form {
        order: 2;
    }
    
    .contact-info {
        order: 1;
        text-align: center;
    }
    
    .contact-item {
        justify-content: center;
        text-align: center;
    }
}

/* Enhanced Mobile Test Mode Banner */
@media (max-width: 768px) {
    .test-mode-banner {
        padding: var(--space-xs) 0;
    }
    
    .test-mode-content {
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
        padding: 0 var(--space-sm);
    }
    
    .test-mode-text {
        font-size: 0.8rem;
        line-height: 1.3;
    }
    
    .test-mode-status {
        font-size: 0.7rem;
        padding: 2px var(--space-xs);
    }
}

@media (max-width: 480px) {
    .test-mode-text {
        font-size: 0.75rem;
    }
    
    .test-mode-text strong {
        display: block;
        margin-bottom: 2px;
    }
}

/* Mobile VPN Control Panel */
@media (max-width: 768px) {
    .vpn-control-panel {
        margin: var(--space-lg) var(--space-md) 0;
        padding: var(--space-lg);
    }
    
    .vpn-controls {
        gap: var(--space-md);
    }
    
    .vpn-toggle {
        min-width: 250px;
        width: 100%;
        max-width: 300px;
    }
    
    .server-select {
        min-width: 250px;
        width: 100%;
        max-width: 300px;
    }
    
    .connection-indicator {
        font-size: 1rem;
    }
    
    .indicator-dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .vpn-control-panel {
        margin: var(--space-md) var(--space-sm) 0;
        padding: var(--space-md);
    }
    
    .vpn-toggle {
        min-width: 200px;
        font-size: 0.95rem;
    }
    
    .server-select {
        min-width: 200px;
        font-size: 0.9rem;
    }
}

/* Mobile-specific animations and transitions */
@media (max-width: 768px) {
    /* Smoother mobile animations */
    .nav-menu {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                    visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .nav-toggle span {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    /* Reduce motion for better mobile performance */
    .btn:hover,
    .feature-card:hover,
    .pricing-card:hover {
        transform: translateY(-2px);
    }
    
    /* Optimize touch feedback */
    .btn:active {
        transform: scale(0.98);
        transition: transform 0.2s ease;
    }
    
    .nav-link:active,
    .feature-card:active {
        transform: scale(0.98);
        transition: transform 0.2s ease;
    }
}

/* Mobile landscape optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 80px 0 var(--space-xl);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
    }
    
    .auth-section {
        padding: 80px 0 var(--space-xl);
    }
    
    .nav-menu {
        padding: var(--space-lg) var(--space-md);
    }
}

/* High DPI mobile displays */
@media (max-width: 768px) and (-webkit-min-device-pixel-ratio: 2) {
    .brand-icon,
    .feature-icon,
    .plan-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
    
    .tech-node,
    .stat-item {
        border-width: 0.5px;
    }
}

/* Mobile-specific print styles */
@media print and (max-width: 768px) {
    .nav-menu,
    .nav-toggle,
    .test-mode-banner,
    .vpn-control-panel,
    .notification-container,
    .flash-messages {
        display: none !important;
    }
    
    .hero-title {
        font-size: 1.5rem !important;
    }
    
    .section-title {
        font-size: 1.25rem !important;
    }
    
    .container {
        padding: 0 !important;
    }
}

/* Logo Styles - Fixed for better display */
.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    margin-right: var(--space-md);
    overflow: hidden;
    background: transparent;
    transition: all var(--duration-normal) ease;
}

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

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.footer-brand .brand-logo {
    width: 40px;
    height: 40px;
}

.footer-brand .logo-image {
    width: 100%;
    height: 100%;
}

/* Navigation Brand Link */
.brand-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    transition: all var(--duration-normal) ease;
}

.brand-link:hover {
    color: var(--color-accent-electric);
    text-decoration: none;
}

.brand-text {
    font-family: var(--font-display);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent-electric));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .brand-logo {
        width: 42px;
        height: 42px;
    }
    
    .brand-text {
        font-size: 1.1rem;
    }
    
    .footer-brand .brand-logo {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    .brand-logo {
        width: 38px;
        height: 38px;
        margin-right: var(--space-sm);
    }
    
    .brand-text {
        font-size: 1rem;
    }
    
    .footer-brand .brand-logo {
        width: 32px;
        height: 32px;
    }
}
/* Pricing Card Images */
.pricing-card-image {
    width: 100%;
    height: 200px;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.tariff-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-normal) ease;
}

.pricing-card:hover .tariff-image {
    transform: scale(1.05);
}

/* Pricing card adjustments for images */
.pricing-card {
    overflow: hidden;
}

.pricing-card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(42, 140, 255, 0.1), rgba(0, 212, 255, 0.1));
    opacity: 0;
    transition: opacity var(--duration-normal) ease;
}

.pricing-card:hover .pricing-card-image::after {
    opacity: 1;
}

/* Mobile adjustments for pricing images */
@media (max-width: 768px) {
    .pricing-card-image {
        height: 150px;
        margin-bottom: var(--space-md);
    }
}

@media (max-width: 480px) {
    .pricing-card-image {
        height: 120px;
        margin-bottom: var(--space-sm);
    }
}

/* Problems Section Styles */
.problems-section {
    padding: var(--space-3xl) 0;
    background: rgba(255, 107, 107, 0.05);
    border-top: 1px solid rgba(255, 107, 107, 0.1);
    border-bottom: 1px solid rgba(255, 107, 107, 0.1);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.problem-card {
    background: var(--color-bg-card);
    border: 2px solid rgba(255, 107, 107, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--duration-normal) ease;
    position: relative;
    overflow: hidden;
}

.problem-card:hover {
    transform: translateY(-8px);
    border-color: #ff6b6b;
    box-shadow: 0 16px 64px rgba(255, 107, 107, 0.2);
}

.problem-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--duration-normal) ease;
}

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

.problem-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.3);
}

.problem-icon.danger {
    background: linear-gradient(135deg, #ff6b6b, #e74c3c);
}

.problem-icon .icon {
    width: 2.5rem;
    height: 2.5rem;
    margin: 0;
}

.problem-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.problem-description {
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Solution Section Styles */
.solution-section {
    padding: var(--space-3xl) 0;
    background: rgba(81, 207, 102, 0.05);
    border-top: 1px solid rgba(81, 207, 102, 0.1);
    border-bottom: 1px solid rgba(81, 207, 102, 0.1);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.solution-card {
    background: var(--color-bg-card);
    border: 2px solid rgba(81, 207, 102, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--duration-normal) ease;
    position: relative;
    overflow: hidden;
}

.solution-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent-green);
    box-shadow: 0 16px 64px rgba(81, 207, 102, 0.2);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(81, 207, 102, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--duration-normal) ease;
}

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

.solution-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    box-shadow: 0 8px 32px rgba(81, 207, 102, 0.3);
}

.solution-icon.success {
    background: linear-gradient(135deg, var(--color-accent-green), #26de81);
}

.solution-icon .icon {
    width: 2.5rem;
    height: 2.5rem;
    margin: 0;
}

.solution-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.solution-description {
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Pricing Preview Section Styles */
.pricing-preview {
    padding: var(--space-3xl) 0;
    background: rgba(42, 140, 255, 0.05);
    border-top: 1px solid rgba(42, 140, 255, 0.1);
    border-bottom: 1px solid rgba(42, 140, 255, 0.1);
}

.pricing-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.price-card {
    background: var(--color-bg-card);
    border: 2px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--duration-normal) ease;
    position: relative;
    overflow: hidden;
}

.price-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent-electric);
    box-shadow: 0 16px 64px rgba(42, 140, 255, 0.2);
}

.price-card.popular {
    border-color: var(--color-accent-electric);
    box-shadow: 0 0 40px rgba(42, 140, 255, 0.2);
    transform: scale(1.05);
    position: relative;
}

.price-card.popular:hover {
    transform: scale(1.05) translateY(-8px);
    box-shadow: 0 0 60px rgba(42, 140, 255, 0.3);
}

.popular-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
    color: white;
    padding: var(--space-xs) var(--space-lg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(42, 140, 255, 0.4);
}

.price-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.price-card .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent-electric);
    margin-bottom: var(--space-sm);
    font-family: var(--font-mono);
}

.price-card p {
    color: var(--color-text-muted);
    margin: 0;
}

.pricing-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* Logo Styles */
.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    box-shadow: var(--shadow-glow);
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

/* Balance Display Styles */
.nav-balance {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(42, 140, 255, 0.1);
    border: 1px solid rgba(42, 140, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-primary);
    font-weight: 600;
}

.nav-balance .icon {
    color: var(--color-accent-electric);
    width: 1rem;
    height: 1rem;
}

.balance-amount {
    font-family: var(--font-mono);
    color: var(--color-accent-electric);
}

/* Footer Logo Styles */
.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-brand .brand-logo {
    width: 32px;
    height: 32px;
}

.footer-brand .brand-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

/* Mobile Responsive for New Sections */
@media (max-width: 768px) {
    .problems-grid,
    .solution-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .pricing-preview-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .price-card.popular {
        transform: none;
    }
    
    .price-card.popular:hover {
        transform: translateY(-8px);
    }
    
    .problem-icon,
    .solution-icon {
        width: 60px;
        height: 60px;
    }
    
    .problem-icon .icon,
    .solution-icon .icon {
        width: 2rem;
        height: 2rem;
    }
    
    .problem-title,
    .solution-title {
        font-size: 1.25rem;
    }
    
    .price-card .price {
        font-size: 2rem;
    }
    
    .nav-balance {
        display: none; /* Hide balance on mobile to save space */
    }
}

@media (max-width: 480px) {
    .problems-section,
    .solution-section,
    .pricing-preview {
        padding: var(--space-2xl) 0;
    }
    
    .problem-card,
    .solution-card,
    .price-card {
        padding: var(--space-lg);
    }
    
    .problem-icon,
    .solution-icon {
        width: 50px;
        height: 50px;
    }
    
    .problem-icon .icon,
    .solution-icon .icon {
        width: 1.5rem;
        height: 1.5rem;
    }
    
    .price-card .price {
        font-size: 1.75rem;
    }
}

/* Mobile Device Specific Fixes */
@media screen and (max-width: 768px) {
    /* Force background rendering on mobile */
    body {
        background: 
            var(--pattern-grid),
            linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 100%) !important;
        background-size: 30px 30px, 100% 100% !important;
        background-attachment: scroll, scroll !important;
        background-repeat: repeat, no-repeat !important;
        background-position: 0 0, center center !important;
        min-height: 100vh !important;
        min-height: -webkit-fill-available !important;
    }
    
    /* Ensure containers have proper background */
    .auth-section,
    .profile-container {
        background: transparent;
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }
    
    /* Fix for auth cards on mobile */
    .auth-card {
        background: var(--color-bg-card) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        border: 1px solid rgba(42, 140, 255, 0.2) !important;
        box-shadow: var(--shadow-elevated) !important;
    }
    
    /* Fix for profile cards on mobile */
    .profile-card {
        background: var(--color-bg-card) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        border: 1px solid rgba(42, 140, 255, 0.1) !important;
        box-shadow: var(--shadow-elevated) !important;
    }
}

/* iOS Safari Specific Fixes */
@supports (-webkit-touch-callout: none) {
    body {
        background: 
            var(--pattern-grid),
            linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 100%) !important;
        background-size: 30px 30px, 100% 100% !important;
        background-attachment: scroll, scroll !important;
        min-height: 100vh !important;
        min-height: -webkit-fill-available !important;
    }
    
    html {
        height: -webkit-fill-available !important;
    }
    
    /* Fix viewport height issues on iOS */
    .auth-section,
    .profile-container {
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }
}

/* Android Chrome Specific Fixes */
@media screen and (max-width: 768px) and (-webkit-min-device-pixel-ratio: 1) {
    body {
        background: 
            var(--pattern-grid),
            linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 100%) !important;
        background-size: 25px 25px, 100% 100% !important;
        background-attachment: scroll, scroll !important;
    }
}

/* High DPI Mobile Displays */
@media screen and (max-width: 768px) and (-webkit-min-device-pixel-ratio: 2) {
    body {
        background: 
            var(--pattern-grid),
            linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 100%) !important;
        background-size: 20px 20px, 100% 100% !important;
        background-attachment: scroll, scroll !important;
    }
}

/* Mobile Form Improvements */
@media screen and (max-width: 768px) {
    /* Better form styling on mobile */
    .form-input {
        background: var(--color-bg-tertiary) !important;
        border: 2px solid rgba(42, 140, 255, 0.2) !important;
        -webkit-appearance: none !important;
        appearance: none !important;
    }
    
    .form-input:focus {
        border-color: var(--color-accent-electric) !important;
        box-shadow: 
            0 0 0 3px rgba(42, 140, 255, 0.1),
            0 0 20px rgba(42, 140, 255, 0.3) !important;
    }
    
    /* Fix button styling on mobile */
    .btn {
        -webkit-appearance: none !important;
        appearance: none !important;
        border-radius: var(--radius-lg) !important;
    }
    
    .btn-primary {
        background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan)) !important;
        border: 1px solid rgba(79, 172, 254, 0.3) !important;
    }
    
    .btn-secondary {
        background: transparent !important;
        border: 2px solid var(--color-accent-electric) !important;
        color: var(--color-accent-electric) !important;
    }
}

/* Mobile Navigation Fixes */
@media screen and (max-width: 768px) {
    .navbar {
        background: var(--color-bg-overlay) !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
        border-bottom: 1px solid rgba(42, 140, 255, 0.2) !important;
    }
    
    .nav-menu {
        background: rgba(10, 12, 21, 0.98) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        border-top: 1px solid rgba(42, 140, 255, 0.2) !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
    }
}

/* Mobile Pricing Card Fixes */
@media screen and (max-width: 768px) {
    .pricing-card {
        background: var(--color-bg-card) !important;
        border: 2px solid rgba(42, 140, 255, 0.1) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
    }
    
    .pricing-card.popular {
        border-color: var(--color-accent-electric) !important;
        box-shadow: 0 0 20px rgba(42, 140, 255, 0.15) !important;
    }
}

/* Mobile Notification Fixes */
@media screen and (max-width: 768px) {
    .notification {
        background: var(--color-bg-card) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        border: 1px solid rgba(42, 140, 255, 0.2) !important;
    }
}

/* Force Hardware Acceleration on Mobile */
@media screen and (max-width: 768px) {
    .auth-card,
    .profile-card,
    .pricing-card,
    .btn,
    .form-input {
        transform: translateZ(0) !important;
        -webkit-transform: translateZ(0) !important;
        will-change: transform !important;
    }
}