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

:root {
    /* Color Palette - Techy Neon Green on Dark */
    --primary-neon: #00ff8a;
    --primary-neon-dim: #00cc6a;
    --primary-neon-bright: #33ff9f;
    --secondary-green: #39ff14;
    --accent-green: #7fff00;
    --dark-bg: #0a0a0f;
    --dark-bg-secondary: #1a1a2e;
    --dark-bg-tertiary: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d1;
    --text-dim: #8a9ba8;
    --border-color: rgba(0, 255, 138, 0.3);
    --border-glow: rgba(0, 255, 138, 0.6);
    --shadow-neon: 0 0 20px rgba(0, 255, 138, 0.3);
    --shadow-neon-strong: 0 0 40px rgba(0, 255, 138, 0.5);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00ff8a 0%, #00cc6a 100%);
    --gradient-dark: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
    --gradient-card: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(22, 33, 62, 0.8) 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 138, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 204, 106, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(57, 255, 20, 0.06) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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(--spacing-sm);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--dark-bg);
    box-shadow: var(--shadow-neon);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-neon);
    border: 2px solid var(--primary-neon);
    box-shadow: 0 0 10px rgba(0, 255, 138, 0.3);
}

.btn-outline:hover {
    background: var(--primary-neon);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-neon);
    text-shadow: 0 0 10px rgba(0, 255, 138, 0.5);
    margin-bottom: 0;
}

.logo-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
}

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

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

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

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

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

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

.points-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 255, 138, 0.1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--primary-neon);
    font-size: 0.9rem;
    font-weight: 500;
}

.points-badge i {
    color: var(--primary-neon);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xxl) 0;
    margin-top: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 40%, rgba(0, 255, 138, 0.1) 0%, transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(0, 204, 106, 0.08) 0%, transparent 60%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-neon);
    text-shadow: 0 0 20px rgba(0, 255, 138, 0.5);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-neon);
    text-shadow: 0 0 10px rgba(0, 255, 138, 0.5);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-dim);
    font-weight: 500;
}

/* Brain Wave Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.brain-wave-animation {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.wave {
    position: absolute;
    border: 2px solid var(--primary-neon);
    border-radius: 50%;
    opacity: 0;
    animation: wave-pulse 3s infinite;
}

.wave-1 {
    width: 100px;
    height: 100px;
    animation-delay: 0s;
}

.wave-2 {
    width: 150px;
    height: 150px;
    animation-delay: 1s;
}

.wave-3 {
    width: 200px;
    height: 200px;
    animation-delay: 2s;
}

.brain-core {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-neon-strong);
    animation: core-glow 2s infinite alternate;
}

@keyframes wave-pulse {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* QR Code Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin: 10% auto;
    padding: var(--spacing-lg);
    width: 90%;
    max-width: 400px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-neon-strong);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: var(--text-secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close:hover,
.close:focus {
    color: var(--primary-neon);
}

.qr-container {
    margin-top: var(--spacing-md);
}

.qr-code {
    width: 200px;
    height: 200px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    margin: 0 auto var(--spacing-md);
    display: block;
    background: #ffffff;
    padding: 10px;
}

.qr-text {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0;
}

.pricing-btn {
    cursor: pointer;
}

.pricing-btn:hover {
    transform: translateY(-2px);
}

@keyframes core-glow {
    0% {
        box-shadow: 0 0 20px rgba(0, 255, 138, 0.5);
    }
    100% {
        box-shadow: 0 0 40px rgba(0, 255, 138, 0.8);
    }
}

/* Features Section */
.features {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    overflow: hidden;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-neon);
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 0 15px rgba(0, 255, 138, 0.5);
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 0;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 255, 138, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-neon);
    z-index: 2;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-neon);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--dark-bg);
}

.feature-title {
    color: var(--primary-neon);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
    font-weight: 600;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    max-width: 220px;
    margin: 0 auto;
}

/* Models Section */
.models {
    padding: var(--spacing-xxl) 0;
}

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

.model-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.model-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-neon);
}

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

.model-name {
    color: var(--primary-neon);
    font-size: 1.3rem;
    margin-bottom: 0;
}

.model-type {
    background: rgba(0, 255, 138, 0.1);
    color: var(--primary-neon);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.model-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.model-specs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.spec-label {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.spec-value {
    color: var(--primary-neon);
    font-weight: 500;
    font-size: 0.9rem;
}

.model-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-neon);
    text-align: right;
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.plan-credits-main {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-neon);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 10px rgba(0, 255, 138, 0.3);
}

.pricing-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-neon);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--dark-bg);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: var(--spacing-lg);
}

.plan-name {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

.price-currency {
    font-size: 1.2rem;
    color: var(--primary-neon);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-neon);
}

.plan-credits {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.plan-bonus {
    color: var(--accent-green);
    font-weight: 600;
    font-size: 0.9rem;
}

.pricing-features {
    margin-bottom: var(--spacing-lg);
}

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

.feature-item i {
    color: var(--primary-neon);
    font-size: 0.9rem;
}

.pricing-note {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.pricing-note i {
    color: var(--primary-neon);
    margin-right: var(--spacing-xs);
}

/* About Section */
.about {
    padding: var(--spacing-xxl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.about-mission h4 {
    color: var(--primary-neon);
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.about-mission p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* Mission Animation */
.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.mission-animation {
    position: relative;
    width: 250px;
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.orbit {
    position: absolute;
    border: 2px solid var(--primary-neon);
    border-radius: 50%;
    opacity: 0.6;
    animation: orbit-rotate 10s infinite linear;
}

.orbit-1 {
    width: 120px;
    height: 120px;
    animation-duration: 8s;
}

.orbit-2 {
    width: 180px;
    height: 180px;
    animation-duration: 12s;
    animation-direction: reverse;
}

.orbit-3 {
    width: 240px;
    height: 240px;
    animation-duration: 16s;
}

.center-core {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-neon-strong);
    animation: core-pulse 2s infinite alternate;
}

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

@keyframes core-pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 20px rgba(0, 255, 138, 0.5);
    }
    100% {
        transform: scale(1.1);
        box-shadow: 0 0 40px rgba(0, 255, 138, 0.8);
    }
}

/* CTA Section */
.cta {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-primary);
    text-align: center;
}

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

.cta-title {
    color: var(--dark-bg);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    color: var(--dark-bg);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.cta .btn-primary {
    background: var(--dark-bg);
    color: var(--primary-neon);
}

.cta .btn-primary:hover {
    background: #1a1a2e;
    color: var(--primary-neon-bright);
}

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

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

.footer-logo-text {
    color: var(--primary-neon);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-logo-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.footer-link-group h5 {
    color: var(--primary-neon);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.footer-link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-dim);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--primary-neon);
    text-decoration: none;
}

/* Floating Chat Button */
.floating-chat {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1000;
}

.chat-btn {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-neon-strong);
    transition: all var(--transition-normal);
}

.chat-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 255, 138, 0.7);
}

.chat-btn i {
    color: var(--dark-bg);
    font-size: 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav {
        gap: var(--spacing-md);
    }
    
    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .models-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    /* Single row features for mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-card {
        min-height: 200px;
    }
}

@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card {
        min-height: 250px;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-card {
        min-height: 200px;
    }
    
    .feature-icon {
        width: 70px;
        height: 70px;
    }
    
    .feature-icon i {
        font-size: 1.8rem;
    }
    
    .feature-title {
        font-size: 1.2rem;
    }
    
    .feature-description {
        font-size: 0.95rem;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .brain-wave-animation,
    .mission-animation {
        transform: scale(0.8);
    }
    
    .feature-card {
        min-height: 180px;
        padding: var(--spacing-md);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-md);
    }
    
    .feature-icon i {
        font-size: 1.5rem;
    }
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-neon);
    border-radius: 4px;
}

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

/* Loading animation for buttons */
@keyframes loading {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.btn.loading i {
    animation: loading 1s infinite linear;
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
.chat-btn:focus {
    outline: 2px solid var(--primary-neon);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-neon: #00ff00;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}