/* Premium Source Code Landing Page - High-End Design */

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

:root {
    /* Premium Gradient Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --gold-gradient: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
    --purple-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --neon-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    
    /* Advanced Gradients */
    --hero-bg: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --card-gradient: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --glass-gradient: linear-gradient(145deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-padding: 0 2rem;
    
    /* Shadows */
    --shadow-soft: 0 10px 40px rgba(0,0,0,0.1);
    --shadow-medium: 0 20px 60px rgba(0,0,0,0.15);
    --shadow-hard: 0 30px 80px rgba(0,0,0,0.2);
    --shadow-neon: 0 0 30px rgba(79, 172, 254, 0.3);
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #0a0a0a;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    background: var(--hero-bg);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: gradientShift 8s ease-in-out infinite;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShine 3s ease-in-out infinite;
}

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

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 18px 40px;
    background: var(--gold-gradient);
    color: #000;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hard);
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--glass-gradient);
    border-radius: 50%;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Features Section */
.features {
    padding: var(--section-padding);
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 100%);
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: var(--neon-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.2rem;
    color: #888;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--card-gradient);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-neon);
    border-color: rgba(79, 172, 254, 0.3);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--purple-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-soft);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #ccc;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: var(--section-padding);
    background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    background: var(--glass-gradient);
    backdrop-filter: blur(30px);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 30px;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(79, 172, 254, 0.1), transparent);
    animation: rotate 4s linear infinite;
}

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

.pricing-content {
    position: relative;
    z-index: 2;
}

.price {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    color: #ccc;
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4facfe;
    font-weight: bold;
}

/* Testimonials Section */
.testimonials {
    padding: var(--section-padding);
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.testimonial-card {
    background: var(--glass-gradient);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(247, 151, 30, 0.2);
    border-color: rgba(247, 151, 30, 0.3);
}

.stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    color: #ffd200;
}

.testimonial-content p {
    color: #ddd;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author strong {
    color: white;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: #888;
    font-size: 0.9rem;
}

/* Purchase Section */
.purchase {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #1a1a1a 0%, #2d1b69 50%, #1a1a1a 100%);
    text-align: center;
}

.purchase-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
}

.purchase-content > p {
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.purchase-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.purchase-method {
    background: var(--glass-gradient);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.purchase-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-neon);
    border-color: rgba(79, 172, 254, 0.3);
}

.purchase-method h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.purchase-method h3 i {
    margin-right: 0.5rem;
    color: #4facfe;
}

.purchase-method p {
    color: #ccc;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.purchase-btn {
    display: inline-block;
    padding: 15px 30px;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

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

.purchase-btn i {
    margin-right: 0.5rem;
}

.contact-info {
    background: rgba(0,0,0,0.3);
    border-radius: 15px;
    padding: 2rem;
    max-width: 500px;
    margin: 0 auto;
    border: 1px solid rgba(255,255,255,0.1);
}

.contact-info p {
    color: #ccc;
    margin-bottom: 0.5rem;
}

.contact-info a {
    color: #4facfe;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    padding: 3rem 0;
    background: #000;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer p {
    color: #888;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: var(--card-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
}

.social-link:hover {
    background: var(--accent-gradient);
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .pricing-card {
        margin: 0 1rem;
        padding: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

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

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--purple-gradient);
}

/* Performance Optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States for Accessibility */
.cta-button:focus,
.purchase-btn:focus,
.social-link:focus {
    outline: 2px solid #4facfe;
    outline-offset: 2px;
}

/* Loading State */
.loading {
    opacity: 0;
    transition: opacity 0.5s ease-in;
}

.loaded {
    opacity: 1;
}

/* Print Styles */
@media print {
    .hero,
    .floating-elements,
    .cta-button,
    .purchase-btn {
        display: none;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .feature-card,
    .testimonial-card,
    .pricing-card {
        background: white !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary-gradient: linear-gradient(135deg, #000080 0%, #000040 100%);
        --secondary-gradient: linear-gradient(135deg, #800080 0%, #400040 100%);
        --accent-gradient: linear-gradient(135deg, #0066cc 0%, #003366 100%);
    }
}