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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    min-height: 100vh;
    overflow-x: hidden;
    cursor: default;
}

/* Remove background video for professional look */
.background-video {
    display: none;
}

header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: #333;
    padding: 4rem 0;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 10;
}

header h1 {
    margin-bottom: 1rem;
    font-size: 3rem;
    font-weight: 700;
    color: #2d3748;
    text-shadow: none;
    animation: none;
}

header p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #4a5568;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-container pre {
    background: #f7fafc;
    color: #2d3748;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin: 0;
    border: 2px solid #e2e8f0;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    transition: all 0.2s ease;
}

.cta-container pre:hover {
    border-color: #667eea;
    background: #edf2f7;
}

.cta-container button {
    background: #667eea;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.cta-container button:hover {
    background: #5a67d8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

main {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 5;
}

.section-container {
    margin-bottom: 4rem;
}

section {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

section:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

section h2 {
    color: #2d3748;
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: none;
}

section p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #4a5568;
    line-height: 1.7;
}

section pre {
    background: #1a202c;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    border-left: 4px solid #667eea;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    position: relative;
    transition: all 0.2s ease;
}

section pre:hover {
    transform: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

section pre::before {
    display: none;
}

section pre code {
    display: block;
    margin-left: 0;
}

/* Syntax highlighting */
section pre .keyword {
    color: #f56565;
}

section pre .string {
    color: #68d391;
}

section pre .comment {
    color: #a0aec0;
    font-style: italic;
}

footer {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: #333;
    margin-top: 2rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 10;
}

footer p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #4a5568;
}

footer .cta-container pre {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    color: #2d3748;
}

footer .cta-container button {
    background: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    color: white;
}

footer .cta-container button:hover {
    background: #5a67d8;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Professional grid layout for larger screens */
@media (min-width: 768px) {
    .sections-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
        gap: 2rem;
    }
    
    .section-container {
        margin-bottom: 2rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }
    
    header p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
    
    .cta-container {
        flex-direction: column;
        gap: 15px;
    }
    
    main {
        padding: 2rem 1rem;
    }
    
    section {
        padding: 2rem;
        margin-bottom: 2rem;
    }
    
    section h2 {
        font-size: 1.75rem;
    }
    
    section pre {
        font-size: 0.85rem;
        padding: 1rem;
    }
}

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

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

header {
    animation: fadeInDown 0.8s ease-out;
}

section.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Focus states for accessibility */
button:focus,
pre:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Professional color scheme */
:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --bg-primary: rgba(255, 255, 255, 0.95);
    --bg-secondary: #f7fafc;
    --border-color: #e2e8f0;
    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Remove all glitch effects and excessive animations */
.glitch,
.glitch::before,
.glitch::after {
    display: none;
}

/* Clean, professional typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Professional button styles */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
}

button:active {
    transform: translateY(0);
}

/* Clean code block styling */
pre {
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.5;
}

code {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Professional spacing */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Remove all 3D transforms and excessive effects */
.transform-3d,
.parallax-container,
.parallax-layer {
    transform: none !important;
    perspective: none !important;
    transform-style: flat !important;
}