/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-primary: #2563eb;
    --color-primary-light: #3b82f6;
    --color-accent: #00ff9d;
    --color-accent-alt: #ff006e;
    --color-text: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-glass: rgba(255, 255, 255, 0.05);
    --color-glass-border: rgba(255, 255, 255, 0.1);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-accent: linear-gradient(135deg, #00ff9d 0%, #00d4ff 100%);
    --gradient-hero: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(0, 255, 157, 0.1) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.4);
    --shadow-glow-accent: 0 0 20px rgba(0, 255, 157, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* ========================================
   Glassmorphism Components
   ======================================== */
.glass {
    background: var(--color-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-glass-border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--spacing-sm) 0;
    background: rgba(10, 10, 10, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
    font-size: var(--font-size-xl);
    font-weight: 800;
}

.logo-icon {
    font-size: var(--font-size-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
    filter: brightness(1.1);
}

.footer-logo .logo-img {
    height: 50px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.nav-menu a:hover {
    color: var(--color-text);
}

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

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

.btn-nav {
    padding: var(--spacing-xs) var(--spacing-md) !important;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    color: var(--color-text) !important;
    font-weight: 600;
}

.btn-nav:hover {
    box-shadow: var(--shadow-glow);
}

.btn-nav::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 255, 157, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, var(--color-bg) 0%, #0f0f0f 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

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

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

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

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

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-block;
}

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

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

.btn-secondary {
    background: var(--color-glass);
    color: var(--color-text);
    border: 1px solid var(--color-glass-border);
    backdrop-filter: blur(10px);
}

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

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.stat-item {
    padding: var(--spacing-md);
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

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

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

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

/* ========================================
   Features Section
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

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

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing-section {
    background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    padding: var(--spacing-xl);
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-bg);
}

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

.pricing-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.pricing-duration {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.pricing-price sup {
    font-size: var(--font-size-2xl);
}

.pricing-description {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    min-height: 48px;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    flex-grow: 1;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.pricing-features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.pricing-cta {
    width: 100%;
    text-align: center;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.rating {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.author-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.author-location {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

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

.faq-icon {
    font-size: var(--font-size-2xl);
    font-weight: 300;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--color-accent);
}

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

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

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

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: var(--spacing-3xl) 0;
}

.cta-content {
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-glass-border);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-col h4 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
}

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

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

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    /* Container */
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Navigation */
    .navbar {
        padding: var(--spacing-md) 0;
    }
    
    .logo {
        font-size: var(--font-size-lg);
    }
    
    .logo-img {
        height: 35px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        padding: var(--spacing-lg);
        border-top: 1px solid var(--color-glass-border);
        z-index: 1000;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm) 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hero Section */
    .hero {
        padding: var(--spacing-3xl) 0 var(--spacing-2xl);
        min-height: auto;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    /* Typography */
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* Grids */
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Cards */
    .pricing-card,
    .feature-card,
    .testimonial-card {
        padding: var(--spacing-lg);
    }
    
    /* Buttons */
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: var(--font-size-base);
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-col {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Sections */
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    /* Badge */
    .badge {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.25rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
        --spacing-3xl: 3.5rem;
        
        --font-size-3xl: 1.75rem;
        --font-size-4xl: 2rem;
        --font-size-5xl: 2.25rem;
    }
    
    /* Logo */
    .logo-img {
        height: 30px;
    }
    
    .logo-text {
        font-size: var(--font-size-base);
    }
    
    /* Hero */
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-value {
        font-size: var(--font-size-2xl);
    }
    
    /* Section Titles */
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    /* Container */
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ========================================
   Product Page Styles
   ======================================== */
.product-section {
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
    min-height: 100vh;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.product-info {
    padding: var(--spacing-xl);
    position: sticky;
    top: 100px;
}

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

.product-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.product-name {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.product-duration {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.product-price-box {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(37, 99, 235, 0.05);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}

.price-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.product-price {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.product-price sup {
    font-size: var(--font-size-3xl);
}

.price-note {
    font-size: var(--font-size-sm);
    color: var(--color-accent);
}

.product-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.product-features-section h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

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

.product-features li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-glass-border);
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: bold;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-glass-border);
}

.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    text-align: center;
}

.badge-icon {
    font-size: var(--font-size-2xl);
}

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

/* Order Form Styles */
.order-form-container {
    padding: var(--spacing-xl);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-glass-border);
}

.form-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    color: var(--color-text-secondary);
}

.step-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-accent);
    color: var(--color-accent);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input.error {
    border-color: var(--color-accent-alt);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.input-error {
    color: var(--color-accent-alt);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

select.form-input {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.5em;
    padding-right: 3rem;
}

select.form-input option {
    background: #1a1a1a;
    color: #ffffff;
    padding: 0.75rem;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label span {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.checkbox-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

.btn-block {
    width: 100%;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
}

.form-actions .btn {
    flex: 1;
}

.form-message {
    display: none;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-lg);
    text-align: center;
    font-weight: 500;
}

.form-message.success {
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

.form-message.error {
    background: rgba(255, 0, 110, 0.1);
    border: 1px solid var(--color-accent-alt);
    color: var(--color-accent-alt);
}

.order-summary {
    background: rgba(37, 99, 235, 0.05);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-glass-border);
}

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

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

.summary-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.summary-total {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-primary);
}

.summary-total .summary-label {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.summary-total .summary-value {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* Why Choose Section on Product Page */
.why-choose-section {
    padding: var(--spacing-2xl) 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 157, 0.03) 0%, transparent 70%);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-text);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

/* ========================================
   Thank You Page Styles
   ======================================== */
.thank-you-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.thank-you-content {
    max-width: 600px;
    padding: var(--spacing-3xl);
}

.thank-you-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-lg);
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.thank-you-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.thank-you-message {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.thank-you-steps {
    text-align: left;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.thank-you-steps h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.thank-you-steps ol {
    padding-left: var(--spacing-lg);
}

.thank-you-steps li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   Responsive - Product Page
   ======================================== */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .product-info {
        position: relative;
        top: 0;
    }
}

@media (max-width: 768px) {
    /* Product Section */
    .product-section {
        padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-2xl);
    }
    
    .product-layout {
        gap: var(--spacing-md);
    }
    
    /* Product Info */
    .product-info,
    .order-form-container {
        padding: var(--spacing-lg);
    }
    
    .product-icon {
        font-size: 3rem;
    }
    
    .product-name {
        font-size: var(--font-size-2xl);
    }
    
    .product-duration {
        font-size: var(--font-size-sm);
    }
    
    .product-price {
        font-size: var(--font-size-4xl);
    }
    
    .price-label,
    .price-note {
        font-size: var(--font-size-sm);
    }
    
    .product-description {
        font-size: var(--font-size-base);
    }
    
    /* Trust Badges */
    .trust-badges {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .trust-badge {
        padding: var(--spacing-sm);
    }
    
    /* Form */
    .form-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .form-header p {
        font-size: var(--font-size-sm);
    }
    
    .step-title {
        font-size: var(--font-size-lg);
    }
    
    .form-input,
    .form-select {
        padding: 0.875rem;
        font-size: var(--font-size-base);
    }
    
    .order-summary {
        padding: var(--spacing-md);
    }
    
    .summary-row {
        font-size: var(--font-size-sm);
    }
    
    /* Form Actions */
    .form-actions {
        flex-direction: column;
    }
    
    .btn-block {
        width: 100%;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card h3 {
        font-size: var(--font-size-lg);
    }
    
    /* FAQ */
    .faq-question {
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
    }
    
    .faq-answer {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    /* Product Page - Small Mobile */
    .product-section {
        padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-xl);
    }
    
    .product-info,
    .order-form-container {
        padding: var(--spacing-md);
    }
    
    .product-icon {
        font-size: 2.5rem;
    }
    
    .product-name {
        font-size: var(--font-size-xl);
    }
    
    .product-price {
        font-size: var(--font-size-3xl);
    }
    
    .product-price sup {
        font-size: var(--font-size-xl);
    }
    
    .trust-badges {
        gap: var(--spacing-xs);
    }
    
    .trust-badge {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .badge-icon {
        font-size: var(--font-size-lg);
    }
    
    .badge-text {
        font-size: var(--font-size-xs);
    }
    
    .form-input,
    .form-select {
        padding: 0.75rem;
    }
    
    .btn {
        padding: 0.875rem 1.25rem;
    }
}

/* ========================================
   Animations & Utilities
   ======================================== */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

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

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Loading state */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Smooth hover states */
a, button {
    -webkit-tap-highlight-color: transparent;
}