/* Modern Industrial Design System - Dark Mode Minimalist */

:root {
    /* Color Palette - Deep Charcoals & Slate Grays */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #121212;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-elevated: #1f1f1f;
    --color-bg-glass: rgba(255, 255, 255, 0.03);
    --color-bg-glass-hover: rgba(255, 255, 255, 0.05);
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-tertiary: #606060;
    --color-text-muted: #404040;
    
    /* Accent - Electric Red */
    --color-accent: #ef4444;
    --color-accent-hover: #f87171;
    --color-accent-glow: rgba(239, 68, 68, 0.3);
    --color-accent-subtle: rgba(239, 68, 68, 0.1);
    
    /* Alternative Accent - Orange (for variety) */
    --color-accent-orange: #f97316;
    --color-accent-orange-glow: rgba(249, 115, 22, 0.3);
    
    /* Borders */
    --color-border-subtle: rgba(255, 255, 255, 0.08);
    --color-border-visible: rgba(255, 255, 255, 0.12);
    --color-border-accent: rgba(239, 68, 68, 0.3);
    
    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, 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: 3.5rem;
    --font-size-6xl: 4.5rem;
    
    /* Effects */
    --glow-accent: 0 0 20px var(--color-accent-glow), 0 0 40px var(--color-accent-subtle);
    --glow-orange: 0 0 20px var(--color-accent-orange-glow);
    --blur-glass: blur(20px);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
    cursor: none;
}

body.wireframe * {
    outline: 1px solid rgba(239, 68, 68, 0.3) !important;
}

/* Sentient Loading Screen */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-3d-container {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.system-log {
    position: absolute;
    bottom: var(--space-2xl);
    left: var(--space-lg);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    line-height: 2;
    max-width: 400px;
}

.log-line {
    opacity: 0;
    animation: crtFlicker 0.1s ease forwards;
}

.log-line:nth-child(1) { animation-delay: 0.2s; }
.log-line:nth-child(2) { animation-delay: 0.4s; }
.log-line:nth-child(3) { animation-delay: 0.6s; }
.log-line:nth-child(4) { animation-delay: 0.8s; }
.log-line:nth-child(5) { animation-delay: 1s; }

@keyframes crtFlicker {
    0% { opacity: 0; transform: translateX(-10px); }
    50% { opacity: 0.5; }
    100% { opacity: 1; transform: translateX(0); }
}

.preloader-percentage {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

/* WebGL Fluid Background */
.fluid-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
    pointer-events: none;
}

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    will-change: transform;
    transition: width 0.15s ease-out, height 0.15s ease-out, border-color 0.15s ease-out;
    mix-blend-mode: difference;
}

.custom-cursor.hover {
    width: 40px;
    height: 40px;
    border-color: var(--color-accent-orange);
}

.custom-cursor.click {
    width: 15px;
    height: 15px;
}

.cursor-dot {
    position: fixed;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    will-change: transform;
    transition: background 0.1s ease-out;
    mix-blend-mode: difference;
}

/* Physics Canvas Background */
.physics-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.3;
    pointer-events: none;
}

/* Ghosting Effect */
.ghost-text {
    position: relative;
    will-change: transform, opacity;
    opacity: 1 !important;
    visibility: visible !important;
    color: inherit !important;
}

.ghost-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.2;
    transform: translateX(5px) skewX(-5deg);
    pointer-events: none;
    filter: blur(2px);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
    transition: opacity var(--transition-base), transform var(--transition-base);
    /* GPU Acceleration */
    will-change: transform;
    transform: translateZ(0);
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.brand-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.brand-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: var(--glow-accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    flex-shrink: 0;
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-command {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 6px;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.nav-command:hover {
    border-color: var(--color-border-visible);
    color: var(--color-text-primary);
    background: var(--color-bg-glass);
}

/* Command Terminal */
.command-terminal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
    pointer-events: none;
}

.command-terminal.active {
    display: flex;
    pointer-events: auto;
}

.terminal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    animation: fadeIn var(--transition-base);
}

.terminal-container {
    position: relative;
    width: 100%;
    max-width: 700px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-visible);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--glow-accent);
    overflow: hidden;
    animation: slideDown var(--transition-spring);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
    opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.terminal-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg-glass);
}

.terminal-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.terminal-close {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.terminal-close:hover {
    color: var(--color-text-primary);
}

.terminal-body {
    padding: var(--space-lg);
}

.terminal-prompt {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.prompt-symbol {
    color: var(--color-accent);
    font-weight: 600;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    outline: none;
}

.terminal-input::placeholder {
    color: var(--color-text-tertiary);
}

.terminal-results {
    max-height: 400px;
    overflow-y: auto;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-family: 'Monaco', 'Menlo', monospace;
    line-height: 1.8;
}

.terminal-result-item {
    padding: var(--space-xs) 0;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.terminal-result-item:hover {
    color: var(--color-text-primary);
}

.terminal-result-item.selected {
    color: var(--color-accent);
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
    opacity: 1;
    visibility: visible;
}

.section {
    min-height: 100vh;
    padding: var(--space-3xl) var(--space-lg);
    position: relative;
    opacity: 1 !important;
    transform: translateY(0) !important;
    visibility: visible !important;
    display: block !important;
}

.section.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--space-3xl);
    text-align: center;
}

.section-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.04em;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    font-weight: 400;
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
    position: relative;
    padding: var(--space-lg) var(--space-xl);
    margin: var(--space-lg) auto;
    max-width: 800px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(239, 68, 68, 0.15);
    backdrop-filter: blur(10px);
    text-align: center;
    letter-spacing: 0.02em;
}

.section-subtitle::before {
    content: '//';
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-base);
    opacity: 0.6;
}

.section-subtitle::after {
    content: '//';
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-base);
    opacity: 0.6;
}

.section-intro-text {
    max-width: 900px;
    margin: 0 auto var(--space-3xl);
    padding: 0 var(--space-lg);
}

.section-intro-text p {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    line-height: 2;
    margin-bottom: var(--space-lg);
    font-weight: 400;
    position: relative;
    padding-left: var(--space-2xl);
    padding-right: var(--space-2xl);
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.03) 0%, transparent 50%, rgba(16, 185, 129, 0.03) 100%);
    border-left: 2px solid var(--color-accent);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.section-intro-text p::before {
    content: '▸';
    position: absolute;
    left: var(--space-md);
    top: var(--space-md);
    color: var(--color-accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.section-intro-text p:hover {
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.08) 0%, transparent 50%, rgba(16, 185, 129, 0.08) 100%);
    border-left-width: 3px;
    transform: translateX(4px);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.2);
}

.section-intro-text p:last-child {
    margin-bottom: 0;
}

.section-tagline {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    font-weight: 500;
    text-align: center;
    margin-bottom: var(--space-xl);
    letter-spacing: 0.02em;
    font-family: 'Syne', sans-serif;
}

.hero-intro-text {
    max-width: 700px;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border-subtle);
}

.hero-intro-text p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.hero-intro-text p:last-child {
    margin-bottom: 0;
}

/* Contact Section */
.contact-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-5xl) 0;
    min-height: 400px;
}

.contact-discord {
    display: flex;
    justify-content: center;
}

.discord-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-lg);
}

.discord-link:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(239, 68, 68, 0.2);
}

.discord-logo {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.discord-username {
    font-weight: 500;
    color: var(--color-text-primary);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 120px;
}

.hero-content {
    max-width: 800px;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.05em;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent) 50%, var(--color-accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-xl);
    line-height: 1.8;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2xl);
    font-weight: 400;
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
    position: relative;
    padding: var(--space-xl);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    border-left: 3px solid var(--color-accent);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.1);
    backdrop-filter: blur(10px);
}

.hero-description::before {
    content: '>';
    position: absolute;
    left: var(--space-sm);
    top: var(--space-xl);
    color: var(--color-accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.hero-description::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0.5;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: var(--font-family);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border-color: var(--color-border-visible);
}

.btn-primary:hover {
    border-color: var(--color-accent);
    box-shadow: var(--glow-accent);
    transform: translateY(-2px);
}

.btn-primary::before {
    background: var(--color-accent-subtle);
}

.btn-primary:hover::before {
        opacity: 1;
    }

.btn-secondary {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-secondary:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-visible);
    background: var(--color-bg-glass);
}

/* Social Proof Ticker */
.ticker-section {
    min-height: auto;
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
    overflow: hidden;
}

.ticker-container {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.ticker-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    padding: 0 var(--space-lg);
}

.ticker-track {
    display: flex;
    gap: var(--space-3xl);
    will-change: transform;
    cursor: grab;
}

.ticker-track:active {
    cursor: grabbing;
}

.ticker-item {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text-secondary);
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.ticker-item:hover {
    color: var(--color-text-primary);
}

/* Bento Grid Stack Section */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 200px);
    gap: var(--space-md);
}

.bento-item {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.bento-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.bento-item:hover {
    border-color: var(--color-border-visible);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.bento-item:hover::before {
    opacity: 1;
}

.bento-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.bento-item:nth-child(2) {
    grid-column: span 2;
}

.bento-item:nth-child(3) {
    grid-column: span 1;
    grid-row: span 1;
}

.bento-item:nth-child(4) {
    grid-column: span 1;
    grid-row: span 1;
}

.bento-item:nth-child(5) {
    grid-column: span 2;
}

.bento-item:nth-child(6) {
    grid-column: span 2;
}

.bento-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
    filter: grayscale(1);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.bento-item:hover .bento-icon {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.1);
}

.bento-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.02em;
}

.bento-category {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Stack Section - Fallback */
.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.stack-item {
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    text-align: center;
    transition: all var(--transition-base);
    cursor: grab;
    position: relative;
    overflow: hidden;
}

.stack-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stack-item:hover {
    border-color: var(--color-border-visible);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.stack-item:hover::before {
    opacity: 1;
}

.stack-item:active {
    cursor: grabbing;
    transform: translateY(-2px) scale(0.98);
}

.stack-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
    filter: grayscale(1);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.stack-item:hover .stack-icon {
    filter: grayscale(0);
    opacity: 1;
}

.stack-name {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.stack-category {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-xl);
}

.project-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    cursor: pointer;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--color-accent);
    border-radius: 12px;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.project-card:hover {
    border-color: var(--color-border-visible);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-card:hover::before {
    opacity: 1;
}

.project-media {
    position: relative;
    width: 100%;
    height: 250px;
    background: var(--color-bg-secondary);
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-video {
    opacity: 1;
}

.project-card:hover .project-image {
    opacity: 0;
}

.project-skeleton {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 50%, var(--color-bg-secondary) 100%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.project-content {
    padding: var(--space-lg);
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.project-stats {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.stat-chip {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border-subtle);
    border-radius: 6px;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.project-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    font-weight: 300;
}

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

.project-tech {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.tech-tag {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    font-weight: 400;
}

.project-code-btn {
    padding: var(--space-xs) var(--space-sm);
    background: transparent;
    border: 1px solid var(--color-border-subtle);
    border-radius: 6px;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.project-code-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-subtle);
}

/* Video Showcase Section */
.video-showcase {
    position: relative;
    padding: var(--space-5xl) 0;
    min-height: 600px;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.video-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    min-height: 400px;
}

.video-card {
    position: relative;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    overflow: visible;
    transition: all var(--transition-base);
    cursor: pointer;
    padding: 3px;
}

/* Animated Border - Main Glow */
.video-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 14px;
    padding: 2px;
    background: linear-gradient(
        45deg,
        var(--color-accent),
        #10b981,
        var(--color-accent),
        #10b981
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    animation: borderGlow 3s ease infinite;
    opacity: 0.6;
    z-index: 1;
    pointer-events: none;
}

/* Animated Border - Scanning Line */
.video-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-accent),
        transparent
    );
    border-radius: 14px 14px 0 0;
    animation: scanLine 2s linear infinite;
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.video-card:hover::after {
    opacity: 1;
}

/* Corner Accents */
.video-card {
    background-clip: padding-box;
}

.video-card .corner-accent {
    position: absolute;
    width: 20px;
    height: 20px;
    z-index: 3;
    pointer-events: none;
}

.video-card .corner-accent.top-left {
    top: -2px;
    left: -2px;
    border-top: 2px solid var(--color-accent);
    border-left: 2px solid var(--color-accent);
    border-top-left-radius: 14px;
    box-shadow: 
        -2px -2px 8px rgba(239, 68, 68, 0.6),
        inset -1px -1px 0 rgba(239, 68, 68, 0.3);
}

.video-card .corner-accent.top-right {
    top: -2px;
    right: -2px;
    border-top: 2px solid var(--color-accent);
    border-right: 2px solid var(--color-accent);
    border-top-right-radius: 14px;
    box-shadow: 
        2px -2px 8px rgba(239, 68, 68, 0.6),
        inset 1px -1px 0 rgba(239, 68, 68, 0.3);
}

.video-card .corner-accent.bottom-left {
    bottom: -2px;
    left: -2px;
    border-bottom: 2px solid var(--color-accent);
    border-left: 2px solid var(--color-accent);
    border-bottom-left-radius: 14px;
    box-shadow: 
        -2px 2px 8px rgba(239, 68, 68, 0.6),
        inset -1px 1px 0 rgba(239, 68, 68, 0.3);
}

.video-card .corner-accent.bottom-right {
    bottom: -2px;
    right: -2px;
    border-bottom: 2px solid var(--color-accent);
    border-right: 2px solid var(--color-accent);
    border-bottom-right-radius: 14px;
    box-shadow: 
        2px 2px 8px rgba(239, 68, 68, 0.6),
        inset 1px 1px 0 rgba(239, 68, 68, 0.3);
}

/* Pulsing Corner Glow */
.video-card .corner-accent::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: var(--color-accent);
    opacity: 0.3;
    animation: cornerPulse 2s ease-in-out infinite;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 48px rgba(239, 68, 68, 0.3);
}

.video-card:hover::before {
    opacity: 1;
    animation-duration: 1.5s;
}

.video-card.playing::before {
    opacity: 1;
    animation-duration: 1s;
}

.video-card.playing .corner-accent::before {
    animation-duration: 1s;
    opacity: 0.6;
}

/* Animations */
@keyframes borderGlow {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes scanLine {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(calc(100% + 4px));
        opacity: 0;
    }
}

@keyframes cornerPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.6;
    }
}

/* Inner Content Container */
.video-card > * {
    position: relative;
    z-index: 0;
    border-radius: 9px;
    overflow: hidden;
    background: var(--color-bg-elevated);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    background: var(--color-bg-secondary);
    overflow: hidden;
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.video-card:hover .video-wrapper video {
    transform: scale(1.05);
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: opacity var(--transition-base);
}

.video-card.playing .video-overlay {
    opacity: 0;
    pointer-events: none;
}

.video-play-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.9);
    border: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.5);
}

.video-play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(239, 68, 68, 0.8);
}

.video-play-btn::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 24px solid var(--color-bg-primary);
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    margin-left: 6px;
}

.video-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    z-index: 2;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
}

.video-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
    font-family: 'Syne', sans-serif;
    letter-spacing: 0.02em;
}

.video-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
    opacity: 0.8;
}

.video-controls {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 3;
}

.video-card:hover .video-controls,
.video-card.playing .video-controls {
    opacity: 1;
}

.video-progress {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
}

.video-progress-bar {
    height: 100%;
    background: var(--color-accent);
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.video-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-family: 'JetBrains Mono', monospace;
    min-width: 80px;
    text-align: right;
}

.video-status {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    font-family: 'JetBrains Mono', monospace;
    z-index: 3;
    opacity: 0;
    transition: opacity var(--transition-base);
    backdrop-filter: blur(10px);
}

.video-card.playing .video-status {
    opacity: 1;
}

.video-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    z-index: 1;
}

.video-loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border-subtle);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Video Placeholder */
.video-placeholder {
    grid-column: 1 / -1;
    padding: var(--space-5xl);
    text-align: center;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.placeholder-icon {
    font-size: 4rem;
    color: var(--color-accent);
    opacity: 0.5;
    animation: pulse 2s ease-in-out infinite;
}

.placeholder-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

/* Ensure video gallery is visible */
.video-gallery {
    min-height: 400px;
}

.video-card {
    min-height: 400px;
}

/* Process Section */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border-subtle);
}

.process-item {
    position: relative;
    padding-left: var(--space-3xl);
    margin-bottom: var(--space-3xl);
    opacity: 0;
    transform: translateX(-30px);
}

.process-item.visible {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.process-item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-bg-elevated);
    border: 2px solid var(--color-border-subtle);
    z-index: 1;
}

.process-item.active::before {
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: var(--glow-accent);
}

.process-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-tertiary);
    width: 40px;
    text-align: center;
}

.process-item.active .process-number {
    color: var(--color-accent);
}

.process-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.process-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-weight: 300;
}

/* Contact Section */
.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-input {
    padding: var(--space-md);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-accent);
    background: var(--color-bg-glass);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-input::placeholder {
    color: var(--color-text-tertiary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-family);
}

.form-error {
    font-size: var(--font-size-xs);
    color: #ef4444;
    min-height: 16px;
}

.form-input.error {
    border-color: #ef4444;
}

.btn-submit {
    margin-top: var(--space-md);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding-top: var(--space-lg);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contact-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-link {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-accent);
}

/* Case Study Modal */
.case-study-modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    pointer-events: none;
}

.case-study-modal.active {
    display: flex;
    pointer-events: auto;
}

.case-study-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    animation: fadeIn var(--transition-base);
}

.case-study-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-visible);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: slideDown var(--transition-spring);
    display: flex;
    flex-direction: column;
}

.case-study-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg-glass);
}

.case-study-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.case-study-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.case-study-close:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-glass);
}

.case-study-body {
    flex: 1;
    overflow: auto;
    padding: var(--space-lg);
}

.case-study-toggle {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    background: var(--color-bg-secondary);
    padding: var(--space-xs);
    border-radius: 8px;
    border: 1px solid var(--color-border-subtle);
}

.toggle-btn {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: none;
    border-radius: 6px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toggle-btn.active {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-subtle);
}

.case-study-view {
    display: none;
}

.case-study-view.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.case-study-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.code-editor-container {
    margin-bottom: var(--space-xl);
}

.performance-graph-container {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: var(--space-lg);
}

/* Code Modal */
.code-modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    pointer-events: none;
}

.code-modal.active {
    display: flex;
    pointer-events: auto;
}

.code-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    animation: fadeIn var(--transition-base);
}

.code-modal-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-visible);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: slideDown var(--transition-spring);
    display: flex;
    flex-direction: column;
}

.code-modal-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg-glass);
}

.code-modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.code-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.code-modal-close:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-glass);
}

.code-modal-body {
    flex: 1;
    overflow: auto;
    padding: var(--space-lg);
}

.code-block {
    margin: 0;
    padding: var(--space-lg);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.8;
    color: var(--color-text-primary);
}

.code-block code {
    display: block;
    white-space: pre;
}

/* Skeleton Loader */
.skeleton-loader {
    display: none;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-lg);
}

.skeleton-loader.active {
    display: flex;
}

.skeleton-item {
    height: 200px;
    background: linear-gradient(90deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 50%, var(--color-bg-secondary) 100%);
    background-size: 200% 100%;
    border-radius: 12px;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-elevated);
    border-radius: 5px;
    border: 2px solid var(--color-bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-bg-tertiary);
}

/* Sidebar Navigation */
.sidebar-nav {
    position: fixed;
    right: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.sidebar-track {
    position: absolute;
    width: 2px;
    height: 200px;
    background: var(--color-border-subtle);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.sidebar-indicator {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: var(--glow-accent);
    transition: top 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    top: 0%;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    position: relative;
}

.sidebar-link {
    width: 12px;
    height: 12px;
    border: 1px solid var(--color-border-subtle);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

.sidebar-link:hover,
.sidebar-link.active {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
    transform: scale(1.2);
}

.sidebar-dot {
    width: 4px;
    height: 4px;
    background: var(--color-text-tertiary);
    border-radius: 50%;
    transition: background var(--transition-fast);
}

.sidebar-link.active .sidebar-dot {
    background: var(--color-accent);
    box-shadow: var(--glow-accent);
}

/* Code Preview Button */
.btn-code-preview {
    position: relative;
    overflow: visible;
}

.code-preview-popup {
    position: absolute;
    bottom: calc(100% + var(--space-md));
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    opacity: 0;
    pointer-events: none;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-visible);
    border-radius: 8px;
    padding: var(--space-md);
    min-width: 300px;
    transition: all var(--transition-base);
    z-index: 100;
}

.btn-code-preview:hover .code-preview-popup {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.code-preview-popup pre {
    margin: 0;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    line-height: 1.6;
}

.code-preview-popup code {
    color: var(--color-accent);
}

/* Sphere Container */
.sphere-container {
    width: 100%;
    height: 500px;
    position: relative;
}

/* Tech Cloud Container */
.tech-cloud-container {
    width: 100%;
    height: 600px;
    position: relative;
    margin-top: var(--space-2xl);
}

#techCloudCanvas {
    width: 100%;
    height: 100%;
}

/* Tech Categories */
.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.tech-category {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    padding: var(--space-lg);
}

.tech-category-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.tech-skill {
    margin-bottom: var(--space-md);
}

.tech-skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.tech-skill-bar {
    height: 4px;
    background: var(--color-bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.tech-skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-orange) 100%);
    border-radius: 2px;
    width: 0;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--color-accent-glow);
}

/* Projects 3D Container */
.projects-3d-container {
    width: 100%;
    height: 400px;
    position: relative;
    margin-bottom: var(--space-2xl);
}

#projects3DCanvas {
    width: 100%;
    height: 100%;
}

/* Project Specs Sidebar */
.project-specs {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-top: var(--space-lg);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

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

.spec-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.spec-value {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Terminal Form */
.terminal-form-container {
    max-width: 800px;
    margin: 0 auto;
}

.terminal-form {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: var(--space-xl);
    font-family: 'Monaco', 'Menlo', monospace;
}

.terminal-prompt-line {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.terminal-prompt-symbol {
    color: var(--color-accent);
    font-weight: 600;
}

.terminal-prompt-text {
    color: var(--color-text-secondary);
}

.terminal-input {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
}

.terminal-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent-subtle);
}

.terminal-input::placeholder {
    color: var(--color-text-tertiary);
}

.terminal-textarea {
    resize: vertical;
    min-height: 120px;
    font-family: 'Monaco', 'Menlo', monospace;
}

.btn-terminal-execute {
    position: relative;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-accent);
    border: none;
    border-radius: 6px;
    color: var(--color-text-primary);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
}

.btn-terminal-execute:hover {
    background: var(--color-accent-hover);
    box-shadow: var(--glow-accent);
    transform: translateY(-2px);
}

.energy-beam-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
}

.terminal-link {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.terminal-link:hover {
    color: var(--color-accent-hover);
}

.terminal-info {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-subtle);
}

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

/* Responsive */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: var(--space-md);
        flex-wrap: wrap;
    }
    
    .nav-link {
        font-size: var(--font-size-xs);
    }
    
    .nav-container {
        padding: var(--space-sm) var(--space-md);
        flex-wrap: wrap;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }
    
    .bento-item:nth-child(1),
    .bento-item:nth-child(2),
    .bento-item:nth-child(5),
    .bento-item:nth-child(6) {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .stack-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .process-timeline::before {
        left: 15px;
    }
    
    .process-item {
        padding-left: var(--space-2xl);
    }
    
    .ticker-container {
        flex-direction: column;
        gap: var(--space-md);
    }
}

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