/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Colors - Gradient System */
    --color-purple: #4A1A4A;
    --color-pink: #D63384;
    --color-coral: #FF6B4A;
    --color-orange: #FF9A56;
    --color-cyan: #00D9FF;

    /* Background Colors */
    --bg-dark: #0F0F23;
    --bg-light: #F8F9FA;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-light: #FFFFFF;

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-dark: #1A1A2E;
    --text-muted: #6B7280;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-purple) 0%, var(--color-pink) 33%, var(--color-coral) 66%, var(--color-orange) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-pink) 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2rem;
    --font-size-2xl: 3rem;
    --font-size-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
    will-change: background-color, box-shadow;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.navbar.scrolled {
    background: rgba(15, 15, 35, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.brand-name {
    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-md);
}

.nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    font-weight: 500;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    text-align: center;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--color-orange);
    background: rgba(255, 154, 86, 0.1);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: var(--gradient-primary);
    border-color: transparent;
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-md);
}

.btn-link {
    background: none;
    color: var(--color-orange);
    padding: 0;
}

.btn-link:hover {
    text-decoration: underline;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

#particleCanvas {
    width: 100%;
    height: 100%;
    will-change: contents;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

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

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

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

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    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;
}

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

.hero-visual {
    animation: fadeInRight 1s ease;
}

.mockup-container {
    position: relative;
}

.mockup-window {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
}

.mockup-header {
    display: flex;
    gap: 6px;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.mockup-content {
    padding: var(--spacing-md);
    min-height: 300px;
}

.chat-message {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    animation: slideIn 0.5s ease;
}

.chat-message.user {
    background: var(--gradient-primary);
    margin-left: auto;
    max-width: 80%;
}

.chat-message.ai {
    background: rgba(255, 255, 255, 0.1);
    max-width: 80%;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-sm);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-orange);
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

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

/* ===================================
   How It Works
   =================================== */
.how-it-works {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(74, 26, 74, 0.1) 100%);
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.step-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    position: relative;
    will-change: transform;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.step-number {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.step-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-orange);
    box-shadow: var(--shadow-lg);
}

.step-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: 0 8px 24px rgba(214, 51, 132, 0.3);
}

.step-icon svg {
    color: white;
    stroke: white;
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.step-visual {
    margin-top: var(--spacing-md);
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-preview {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-bubble {
    font-size: 2.5rem;
    animation: pulse 2s infinite;
}

.design-preview {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.design-icon {
    font-size: 2.5rem;
    animation: pulse 2s infinite;
    animation-delay: 0.3s;
}

.launch-preview {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rocket {
    font-size: 2.5rem;
    animation: float 2s ease-in-out infinite;
    animation-delay: 0.6s;
}

.step-connector {
    display: flex;
    align-items: center;
    padding-top: 80px;
}

/* ===================================
   Features
   =================================== */
.features {
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    will-change: transform;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: transparent;
    background: var(--bg-card);
    box-shadow: 0 0 0 2px transparent,
                0 0 0 4px var(--color-orange);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    margin-bottom: var(--spacing-md);
}

.feature-icon svg {
    color: white;
    stroke: white;
}

.feature-title {
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================
   Demo Section
   =================================== */
.demo-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(214, 51, 132, 0.1) 100%);
}

.demo-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.demo-video {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-placeholder {
    position: relative;
    padding-bottom: 56.25%;
    background: rgba(255, 255, 255, 0.05);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    z-index: 2;
}

.play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: var(--shadow-xl);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.demo-feature-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.demo-feature-item:hover,
.demo-feature-item.active {
    border-color: var(--color-orange);
    background: rgba(255, 154, 86, 0.1);
}

.demo-feature-icon {
    font-size: 2rem;
}

.demo-feature-content h4 {
    font-size: var(--font-size-md);
    margin-bottom: 0.25rem;
}

.demo-feature-content p {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* ===================================
   Pricing
   =================================== */
.pricing-preview {
    background: var(--bg-dark);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    will-change: transform;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid;
    border-image: var(--gradient-primary) 1;
    background: rgba(255, 154, 86, 0.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-md);
}

.plan-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price-amount {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.plan-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
}

.plan-features li::before {
    content: '✓';
    color: var(--color-orange);
    font-weight: 700;
}

.feature-excluded::before {
    content: '✗' !important;
    color: rgba(255, 255, 255, 0.3) !important;
}

.feature-excluded {
    color: var(--text-secondary);
    opacity: 0.5;
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

.pricing-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===================================
   FAQ
   =================================== */
.faq-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(255, 107, 74, 0.1) 100%);
}

.faq-container {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-orange);
}

.faq-question svg {
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================
   Final CTA
   =================================== */
.final-cta {
    position: relative;
    padding: var(--spacing-xl) 0;
    text-align: center;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.9;
    animation: gradientShift 10s ease infinite;
}

.final-cta .container {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

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

.footer-brand-name {
    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-tagline {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

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

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

/* ===================================
   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 slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .demo-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(15, 15, 35, 0.98);
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-base);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-title {
        font-size: var(--font-size-xl);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .steps-container {
        flex-direction: column;
    }

    .step-connector {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Utilities
   =================================== */
.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Performance: Disable hover effects during scroll */
.disable-hover * {
    pointer-events: none !important;
}