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

:root {
    /* Colors - ChatGPT inspired dark theme */
    --primary-bg: #0d1117;
    --secondary-bg: #161b22;
    --card-bg: #21262d;
    --border-color: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-green: #238636;
    --accent-blue: #1f6feb;
    --accent-purple: #8957e5;
    --gradient-primary: linear-gradient(135deg, #238636, #1f6feb);
    --gradient-secondary: linear-gradient(135deg, #8957e5, #1f6feb);
    --hover-bg: #30363d;
    --success-color: #238636;
    --warning-color: #f85149;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

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

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: var(--spacing-md) 0;
}

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

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

.nav-logo .logo {
    height: 40px;
    width: auto;
    border-radius: var(--radius-sm);
    background: transparent;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(35, 134, 54, 0.3)) 
            drop-shadow(0 0 10px rgba(35, 134, 54, 0.2));
    transition: all 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.nav-logo .logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(35, 134, 54, 0.4)) 
            drop-shadow(0 0 15px rgba(35, 134, 54, 0.3));
}

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

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

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

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

.nav-link.login-btn {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    background: radial-gradient(ellipse at center, rgba(35, 134, 54, 0.1) 0%, transparent 70%);
    position: relative;
    overflow: hidden;
}

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

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

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

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

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

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

.stat {
    text-align: center;
}

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

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

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.ai-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 400px;
}

.ai-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    animation: float 6s ease-in-out infinite;
}

.ai-card:nth-child(2) { animation-delay: -2s; }
.ai-card:nth-child(3) { animation-delay: -4s; }
.ai-card:nth-child(4) { animation-delay: -6s; }

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

.ai-card i {
    font-size: var(--font-size-2xl);
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
}

.ai-card .ai-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    display: block;
    line-height: 1;
    color: var(--accent-green);
    text-shadow: 0 0 10px var(--accent-green);
}

.ai-card .ai-icon-circle {
    width: 32px;
    height: 32px;
    background-color: var(--accent-green);
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.ai-card .ai-icon-inner {
    width: 16px;
    height: 16px;
    background-color: var(--card-bg);
    border-radius: 50%;
}

.ai-card .ai-icon-g {
    font-size: var(--font-size-2xl);
    font-weight: bold;
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
    display: block;
    line-height: 1;
}

.ai-card span {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

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

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

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

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

.btn-secondary:hover {
    border-color: var(--accent-green);
    background: rgba(35, 134, 54, 0.1);
}

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

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.feature-icon i {
    font-size: var(--font-size-xl);
    color: white;
}

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

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

/* AI Models Section */
.ai-models {
    padding: var(--spacing-3xl) 0;
    background: var(--primary-bg);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto auto;
    gap: var(--spacing-xl);
    align-items: start;
    max-width: 800px;
    margin: 0 auto;
}

.model-category {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.model-category:hover {
    border-color: var(--accent-green);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.model-category h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--accent-green);
}

.model-category ul {
    list-style: none;
}

.model-category li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    transition: color 0.3s ease;
}

.model-category li:last-child {
    border-bottom: none;
}

.model-category li:hover {
    color: var(--text-primary);
}

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

.pricing-card {
    max-width: 400px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    background-clip: padding-box;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    margin: -2px;
    border-radius: inherit;
    background: conic-gradient(from 0deg, var(--accent-green), var(--accent-blue), var(--accent-purple), var(--accent-green));
    animation: rotate-border 3s linear infinite;
}

.pricing-card::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    background: var(--card-bg);
    border-radius: calc(var(--radius-xl) - 2px);
    z-index: -1;
}

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

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

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

.amount {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--accent-green);
}

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

.price-note {
    color: var(--accent-green);
    font-weight: 600;
    margin-bottom: var(--spacing-2xl);
}

.pricing-features {
    margin-bottom: var(--spacing-2xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.feature-item i {
    color: var(--accent-green);
    font-size: var(--font-size-sm);
}

/* Enhanced Pricing Button */
.pricing .btn-primary {
    background: var(--gradient-secondary);
    position: relative;
    overflow: hidden;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(137, 87, 229, 0.3);
}

.pricing .btn-primary::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 0.5s;
}

.pricing .btn-primary:hover::before {
    left: 100%;
}

.pricing .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(137, 87, 229, 0.5);
    animation: none;
}

/* Footer */
.footer {
    background: var(--primary-bg);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(180deg, transparent 0%, rgba(31, 111, 235, 0.02) 50%, transparent 100%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(31, 111, 235, 0.06) 2px,
            rgba(31, 111, 235, 0.06) 4px
        ),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 20px,
            rgba(137, 87, 229, 0.04) 20px,
            rgba(137, 87, 229, 0.04) 40px
        );
    animation: movingLines 20s linear infinite;
    opacity: 0.3;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-2xl);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-section:first-child {
    justify-self: start;
}

.footer-section:nth-child(2) {
    justify-self: center;
    text-align: center;
}

.footer-section:last-child {
    justify-self: end;
    text-align: right;
}

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

.footer-logo .logo {
    height: 32px;
    width: auto;
    border-radius: var(--radius-sm);
    background: transparent;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(35, 134, 54, 0.3)) 
            drop-shadow(0 0 8px rgba(35, 134, 54, 0.2));
    transition: all 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.footer-logo .logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 3px 10px rgba(35, 134, 54, 0.4)) 
            drop-shadow(0 0 12px rgba(35, 134, 54, 0.3));
}

.footer-section p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.footer-section h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.footer-section a:hover {
    color: var(--accent-green);
    transform: translateX(5px);
}

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

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

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

.footer-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(35, 134, 54, 0.1);
    border: 1px solid var(--accent-green);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--accent-green);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-badge i {
    font-size: var(--font-size-xs);
}

.footer-center-logo {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.footer-center-text {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: linear-gradient(135deg, #8957e5, #1f6feb, #238636);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(137, 87, 229, 0.3);
    filter: drop-shadow(0 0 10px rgba(31, 111, 235, 0.2));
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Typewriter cursor */
.footer-center-text::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--accent-green);
    margin-left: 2px;
}


.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

/* Floating particles effect */
.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.1), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(35, 134, 54, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(31, 111, 235, 0.2), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(137, 87, 229, 0.2), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(255, 255, 255, 0.1), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: floatParticles 20s linear infinite;
    opacity: 0.3;
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes backgroundMove {
    0%, 100% { 
        background-position: 0% 0%; 
    }
    50% { 
        background-position: 100% 100%; 
    }
}

@keyframes twinkle {
    0%, 100% { 
        opacity: 1;
        transform: scale(1);
    }
    50% { 
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes gradientShift {
    0%, 100% { 
        background: linear-gradient(135deg, #8957e5, #1f6feb, #238636);
    }
    33% { 
        background: linear-gradient(135deg, #1f6feb, #238636, #8957e5);
    }
    66% { 
        background: linear-gradient(135deg, #238636, #8957e5, #1f6feb);
    }
}

@keyframes floatParticles {
    0% { 
        transform: translateY(0px) translateX(0px);
    }
    25% { 
        transform: translateY(-10px) translateX(5px);
    }
    50% { 
        transform: translateY(-5px) translateX(-5px);
    }
    75% { 
        transform: translateY(-15px) translateX(3px);
    }
    100% { 
        transform: translateY(0px) translateX(0px);
    }
}

@keyframes blink {
    0%, 50% { 
        opacity: 1; 
    }
    51%, 100% { 
        opacity: 0; 
    }
}

@keyframes movingLines {
    0% { 
        transform: translateY(0px) translateX(0px);
    }
    100% { 
        transform: translateY(100px) translateX(50px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .ai-showcase {
        max-width: 300px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .models-grid {
        grid-template-columns: 1fr;
    }
    
    .models-grid .model-category:nth-child(4) {
        grid-column: 1;
        grid-row: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .footer-section:first-child,
    .footer-section:nth-child(2),
    .footer-section:last-child {
        justify-self: center;
        text-align: center;
    }
    
    .footer-center-text {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .ai-showcase {
        grid-template-columns: 1fr;
        max-width: 200px;
    }
    
    .pricing-card {
        margin: 0 var(--spacing-md);
    }
}

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

/* Selection styles */
::selection {
    background: var(--accent-green);
    color: white;
}

/* Focus styles */
*:focus {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}