/* Elite Web3 Portfolio Styles */

:root {
  /* Core Colors */
  --bg: #000000;
  --bg-secondary: #0a0a0f;
  --bg-tertiary: #151520;
  --fg: #ffffff;
  --fg-secondary: #e4e4f0;
  --fg-muted: #9ca3af;
  
  /* Accent Colors */
  --accent: #00d4ff;
  --accent-secondary: #7c3aed;
  --accent-tertiary: #ec4899;
  --accent-quaternary: #10b981;
  
  /* Glass Morphism */
  --glass: rgba(255, 255, 255, 0.03);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --glass-ultra: rgba(255, 255, 255, 0.12);
  
  /* Borders */
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --border-accent: rgba(0, 212, 255, 0.3);
  
  /* Effects */
  --shadow: rgba(0, 0, 0, 0.5);
  --glow-cyan: rgba(0, 212, 255, 0.3);
  --glow-purple: rgba(124, 58, 237, 0.3);
  --glow-pink: rgba(236, 72, 153, 0.3);
  --glow-green: rgba(16, 185, 129, 0.3);
  
  /* Spacing */
  --section-padding: 120px;
  --container-padding: 24px;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: 
    radial-gradient(600px circle at 20% 30%, var(--glow-purple), transparent 50%),
    radial-gradient(800px circle at 80% 20%, var(--glow-cyan), transparent 50%),
    radial-gradient(400px circle at 40% 90%, var(--glow-pink), transparent 50%),
    var(--bg);
  animation: bgShift 20s ease-in-out infinite;
}

@keyframes bgShift {
  0%, 100% { filter: hue-rotate(0deg) brightness(1); }
  33% { filter: hue-rotate(30deg) brightness(1.1); }
  66% { filter: hue-rotate(-15deg) brightness(0.9); }
}

/* Matrix Rain Effect */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.1;
  pointer-events: none;
}

/* Neural Network Animation */
.neural-network {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.15;
  pointer-events: none;
}

#neural-canvas {
  width: 100%;
  height: 100%;
}

/* Header Styles */
.site-header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 40px);
  max-width: 1160px;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(10, 10, 15, 0.9) 50%,
    rgba(0, 0, 0, 0.8) 100%
  );
  backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary), var(--accent-tertiary));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.site-header:hover::before {
  opacity: 0.6;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 32px;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  position: relative;
}

.brand-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  box-shadow: 0 4px 20px var(--glow-cyan);
  position: relative;
  overflow: hidden;
}

.brand-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.brand:hover .brand-icon::before {
  transform: translateX(100%);
}

.brand-icon svg {
  width: 20px;
  height: 20px;
  color: white;
}

.brand-text {
  font-size: 20px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--fg), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 16px;
  padding: 4px 8px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-quaternary);
  animation: pulse 2s ease-in-out infinite;
}

.status-text {
  color: var(--accent-quaternary);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 14px;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 14px;
}

.nav-link:hover {
  color: var(--fg);
  transform: translateY(-1px);
}

.nav-link:hover::before {
  opacity: 0.1;
}

.nav-link.active {
  color: var(--accent);
  background: var(--glass-strong);
  box-shadow: 0 0 20px var(--glow-cyan);
}

.nav-icon {
  font-size: 14px;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
  filter: grayscale(0%);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--glass);
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  border: none;
  color: white;
  font-weight: 700;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-strong);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 12px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 25px var(--glow-cyan);
}

.btn-ghost:hover {
  background: var(--glass-strong);
  border-color: var(--accent);
}

.cyber-glow {
  position: relative;
}

.cyber-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, var(--accent), var(--accent-secondary), var(--accent-tertiary), var(--accent));
  border-radius: 18px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: borderRotate 3s linear infinite;
}

.cyber-glow:hover::after {
  opacity: 1;
}

@keyframes borderRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.neon-border {
  border: 1px solid var(--accent);
  box-shadow: 
    0 0 20px var(--glow-cyan),
    inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.full-width {
  width: 100%;
  justify-content: center;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  z-index: 1100;
  position: relative;
  width: 32px;
  height: 32px;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--fg);
  margin: 4px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.hamburger span:nth-child(1) { top: 8px; }
.hamburger span:nth-child(2) { top: 15px; }
.hamburger span:nth-child(3) { top: 22px; }

.hamburger.active span:nth-child(1) {
  transform: translateX(-50%) rotate(45deg);
  top: 15px;
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateX(-50%) rotate(-45deg);
  top: 15px;
}

/* Mobile Navigation */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  position: fixed;
  top: 110px;
  right: 20px;
  width: 320px;
  max-height: calc(100vh - 140px);
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.95) 0%,
    rgba(10, 10, 15, 0.9) 100%
  );
  backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  z-index: 1000;
  padding: 24px 0;
  transform: translateX(100%) scale(0.9);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  overflow-y: auto;
}

.mobile-nav.active {
  transform: translateX(0) scale(1);
  opacity: 1;
}

.mobile-nav-content {
  padding: 0 24px;
}

.mobile-nav-header {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--fg-secondary);
}

.brand-icon.small {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.brand-icon.small svg {
  width: 14px;
  height: 14px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
  position: relative;
}

.mobile-nav-link:hover {
  color: var(--accent);
  padding-left: 12px;
}

.mobile-nav-link:last-of-type {
  border-bottom: none;
}

.mobile-nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.mobile-wallet {
  margin-top: 24px;
  width: 100%;
  justify-content: center;
}

/* Scroll Progress */
.scroll-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent-tertiary));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s ease;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18; /* Adjust for effect */
  display: block;
}

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

/* Terminal Window */
.terminal-window {
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(20px);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.terminal-controls {
  display: flex;
  gap: 8px;
}

.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27ca3f; }

.terminal-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-muted);
}

.terminal-body {
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

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

.command {
  color: var(--accent);
}

.cursor {
  width: 8px;
  height: 16px;
  background: var(--accent);
  animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.terminal-output {
  color: var(--fg-secondary);
  margin-top: 12px;
  line-height: 1.4;
}

/* Hero Main Content */
.hero-main {
  margin-top: 40px;
}

.status-badge {
  margin-bottom: 32px;
}

.status-badge .status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--glass), var(--glass-strong));
  border: 1px solid var(--border-accent);
  border-radius: 24px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  box-shadow: 0 0 30px var(--glow-cyan);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.hero-title .line-1,
.hero-title .line-3 {
  display: block;
  color: var(--fg-secondary);
}

.hero-title .line-2 {
  display: block;
  margin: 8px 0;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary), var(--accent-tertiary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(20deg); }
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin: 40px 0;
  flex-wrap: wrap;
}

.stat-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  text-align: center;
  min-width: 140px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--glow-cyan), var(--glow-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.stat-card:hover::before {
  opacity: 0.1;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  font-weight: 500;
}

.stat-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, var(--glow-cyan), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.stat-card:hover .stat-glow {
  opacity: 1;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin: 40px 0;
}

.hero-actions .btn {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: 20px;
}

.btn-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: 20px;
}

.btn-particles::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.8), transparent 70%);
  transform: translate(-50%, -50%);
  transition: all 0.6s ease;
}

.btn:hover .btn-particles::before {
  width: 200px;
  height: 200px;
}

/* Floating Code Blocks */
.floating-code {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.code-block {
  position: absolute;
  left: var(--x);
  top: var(--y);
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  max-width: 300px;
  backdrop-filter: blur(20px);
  animation: 
    float 6s ease-in-out infinite var(--delay),
    fadeInOut 12s ease-in-out infinite var(--delay);
  opacity: 0;
}

.code-block pre {
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  line-height: 1.4;
  color: var(--fg-secondary);
  overflow: hidden;
}

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

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

@keyframes fadeInOut {
  0%, 100% { opacity: 0; }
  20%, 80% { opacity: 0.7; }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--fg-muted);
  animation: bounce 2s ease-in-out infinite;
}

.scroll-text {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.scroll-arrow svg {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

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

/* Wallet Display */
.wallet-display {
  margin-top: 24px;
  padding: 12px 20px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--accent);
  text-align: center;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Section Styles */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.section-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Skills Section */
.skill-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-bottom: 60px;
}

.skill-category {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--glow-cyan), var(--glow-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.skill-category:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.skill-category:hover::before {
  opacity: 0.05;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.category-icon {
  font-size: 24px;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.skill-category:hover .category-icon {
  filter: grayscale(0%);
}

.category-header h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--fg);
}

.skill-grid {
  display: grid;
  gap: 16px;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.skill-item:hover {
  background: var(--glass-strong);
  transform: translateX(4px);
}

.skill-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--glass-strong);
  font-size: 16px;
}

.skill-icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.skill-item span {
  flex: 1;
  font-weight: 600;
  color: var(--fg-secondary);
}

.skill-level {
  width: 60px;
  height: 4px;
  background: var(--glass-strong);
  border-radius: 2px;
  overflow: hidden;
}

.level-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  border-radius: 2px;
  transition: width 1s ease;
}

/* Chain Selector */
.chain-selector {
  text-align: center;
}

.chain-selector h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 24px;
  color: var(--fg);
}

.chain-grid {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.chain-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 100px;
}

.chain-item:hover {
  transform: translateY(-4px);
  background: var(--glass-strong);
  border-color: var(--accent);
  box-shadow: 0 8px 30px var(--glow-cyan);
}

.chain-item.active {
  background: var(--glass-strong);
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--glow-cyan);
}

.chain-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  font-size: 20px;
}

.chain-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.chain-item span {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-secondary);
}

/* Projects Section */
.project-filter {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.filter-btn:hover {
  transform: translateY(-2px);
  color: var(--fg);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  border: none;
  color: white;
  box-shadow: 0 0 30px var(--glow-cyan);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--glow-cyan), var(--glow-purple), var(--glow-pink));
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 24px;
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--accent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.project-card:hover::before {
  opacity: 0.05;
}

.project-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--glass), var(--glass-strong));
  border: 2px solid var(--accent);
  box-shadow: 0 0 40px var(--glow-cyan);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.project-status {
  display: flex;
  gap: 8px;
  align-items: center;
}

.project-status span {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.status-live {
  background: var(--accent-quaternary);
  color: black;
  box-shadow: 0 0 20px var(--glow-green);
}

.status-trending {
  background: var(--accent-tertiary);
  color: white;
  box-shadow: 0 0 20px var(--glow-pink);
}

.status-mint {
  background: var(--accent);
  color: black;
  box-shadow: 0 0 20px var(--glow-cyan);
}

.status-beta {
  background: var(--accent-secondary);
  color: white;
  box-shadow: 0 0 20px var(--glow-purple);
}

.status-audit {
  background: #fbbf24;
  color: black;
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}

.status-sold {
  background: #ef4444;
  color: white;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

.project-chain {
  background: var(--glass-strong);
  color: var(--fg-muted);
  border: 1px solid var(--border);
}

.project-metrics {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.metric {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--glass);
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.project-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 120px;
  margin-bottom: 24px;
  position: relative;
}

.project-icon {
  width: 80px;
  height: 80px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: var(--glass-strong);
  border: 1px solid var(--border);
  font-size: 32px;
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}

.project-icon svg {
  width: 40px;
  height: 40px;
  color: var(--accent);
}

.project-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, var(--glow-cyan), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.project-glow.pink {
  background: radial-gradient(circle, var(--glow-pink), transparent 70%);
}

.project-glow.green {
  background: radial-gradient(circle, var(--glow-green), transparent 70%);
}

.project-glow.purple {
  background: radial-gradient(circle, var(--glow-purple), transparent 70%);
}

.project-glow.cyan {
  background: radial-gradient(circle, var(--glow-cyan), transparent 70%);
}

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

.project-card:hover .project-icon {
  transform: scale(1.1);
  box-shadow: 0 0 40px var(--glow-cyan);
}

.project-content {
  text-align: center;
}

.project-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--fg);
}

.project-description {
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tech-tag {
  padding: 4px 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
}

.project-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.project-actions .btn svg {
  width: 16px;
  height: 16px;
}

/* Lab Section */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.lab-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.lab-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanLine 3s ease-in-out infinite;
}

@keyframes scanLine {
  0% { left: -100%; }
  100% { left: 100%; }
}

.lab-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.lab-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.lab-icon {
  font-size: 32px;
}

.lab-status {
  padding: 4px 12px;
  background: var(--accent-secondary);
  color: white;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.lab-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--fg);
}

.lab-card p {
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.lab-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--glass-strong);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  border-radius: 3px;
  transition: width 1s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: progressShine 2s ease-in-out infinite;
}

@keyframes progressShine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
}

/* About Section */
.about-section {
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 50%, transparent 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  text-align: center;
}

.avatar-container {
  position: relative;
  margin-bottom: 32px;
}

.avatar-bg {
  position: absolute;
  inset: -20px;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-secondary), var(--accent-tertiary), var(--accent));
  border-radius: 50%;
  animation: avatarRotate 10s linear infinite;
  filter: blur(20px);
  opacity: 0.5;
}

@keyframes avatarRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.avatar-frame {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto;
  border-radius: 50%;
  background: var(--glass-strong);
  border: 2px solid var(--border-strong);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.avatar-inner {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  display: grid;
  place-items: center;
  position: relative;
}

.avatar-icon {
  font-size: 64px;
  filter: grayscale(100%) brightness(1.2);
}

.avatar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
  color: var(--accent-quaternary);
  font-size: 14px;
  font-weight: 600;
}

.status-indicator.online {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-quaternary);
  animation: pulse 2s ease-in-out infinite;
}

.achievement-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.achievement {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.achievement:hover {
  transform: translateX(4px);
  background: var(--glass-strong);
  border-color: var(--accent);
}

.achievement-icon {
  font-size: 20px;
}

.achievement span {
  font-weight: 600;
  color: var(--fg-secondary);
  font-size: 14px;
}

.about-text {
  text-align: left;
}

.about-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 32px;
}

.title-accent {
  display: block;
  color: var(--fg-muted);
  font-size: 1.2rem;
  font-weight: 500;
  margin-top: 8px;
}

.about-description {
  margin-bottom: 40px;
}

.about-description p {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.about-description strong {
  color: var(--accent);
  font-weight: 700;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.expertise-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.expertise-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 20px;
  flex-shrink: 0;
}

.expertise-text h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 4px;
}

.expertise-text p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.philosophy {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.philosophy::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent-tertiary));
}

.philosophy blockquote {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  font-weight: 500;
}

.philosophy cite {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  font-style: normal;
}

/* Contact Section */
.contact-section {
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.contact-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.contact-header {
  margin-bottom: 32px;
}

.contact-header h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--fg);
}

.contact-header p {
  color: var(--fg-muted);
  line-height: 1.6;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  text-decoration: none;
  color: var(--fg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.social-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--glow-cyan), var(--glow-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.social-link:hover {
  transform: translateX(4px);
  border-color: var(--accent);
}

.social-link:hover::before {
  opacity: 0.1;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--glass-strong);
  border-radius: 10px;
  flex-shrink: 0;
}

.social-icon svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.social-content {
  flex: 1;
  text-align: left;
}

.social-name {
  display: block;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 2px;
}

.social-handle {
  display: block;
  font-size: 0.9rem;
  color: var(--fg-muted);
  font-family: 'JetBrains Mono', monospace;
}

.social-arrow {
  font-size: 18px;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.social-link:hover .social-arrow {
  transform: translateX(4px);
}

.service-types {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.service-type {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.service-type:hover {
  background: var(--glass-strong);
  transform: translateY(-2px);
}

.service-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--glass-strong);
  border-radius: 10px;
  font-size: 18px;
  flex-shrink: 0;
}

.service-info h4 {
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 4px;
}

.service-info p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 8px;
}

.service-rate {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}

/* Activity Feed */
.activity-feed {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  max-width: 500px;
  margin: 0 auto;
}

.activity-feed h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  text-align: center;
  margin-bottom: 24px;
  color: var(--fg);
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.activity-item:hover {
  background: var(--glass-strong);
  transform: translateX(4px);
}

.activity-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--glass-strong);
  border-radius: 8px;
  font-size: 16px;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
}

.activity-action {
  display: block;
  font-weight: 600;
  color: var(--fg-secondary);
  font-size: 0.9rem;
}

.activity-time {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  grid-column: span 2;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-tagline {
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 300px;
}

.footer-section h4 {
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 16px;
  font-family: 'Space Grotesk', sans-serif;
}

.footer-section a {
  display: block;
  color: var(--fg-muted);
  text-decoration: none;
  margin-bottom: 8px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.footer-section a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.network-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--accent-quaternary);
  font-weight: 600;
}

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

/* Body scroll lock */
body.nav-open {
  overflow: hidden;
}

/* Responsive Design */
@media (max-width: 1200px) {
  :root {
    --section-padding: 100px;
    --container-padding: 20px;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .expertise-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .site-header {
    top: 16px;
    width: calc(100% - 32px);
  }
  
  .skill-categories {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .project-card.featured {
    grid-column: span 1;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  /* Show mobile navigation */
  .nav {
    display: none;
  }
  
  .hamburger {
    display: block;
  }
  
  :root {
    --section-padding: 80px;
    --container-padding: 16px;
  }
  
  .site-header {
    top: 12px;
    width: calc(100% - 24px);
  }
  
  .site-header .container {
    height: 60px;
    padding: 0 24px;
  }
  
  .hero {
    padding: 100px 0 60px;
    min-height: 90vh;
  }
  
  .hero-title {
    font-size: clamp(1.8rem, 8vw, 3rem);
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-stats {
    gap: 16px;
  }
  
  .stat-card {
    min-width: 120px;
    padding: 16px 20px;
  }
  
  .stat-value {
    font-size: 1.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    max-width: 300px;
    margin: 40px auto;
  }
  
  .section-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    flex-direction: column;
    gap: 12px;
  }
  
  .floating-code {
    display: none;
  }
  
  .terminal-window {
    max-width: 100%;
    margin-bottom: 32px;
  }
  
  .mobile-nav {
    width: calc(100vw - 24px);
    right: 12px;
    top: 84px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  :root {
    --section-padding: 60px;
    --container-padding: 12px;
  }
  
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
  }
  
  .site-header .container {
    height: 56px;
    padding: 0 20px;
  }
  
  .brand-icon {
    width: 36px;
    height: 36px;
  }
  
  .brand-icon svg {
    width: 18px;
    height: 18px;
  }
  
  .brand-text {
    font-size: 18px;
  }
  
  .status-indicator {
    display: none;
  }
  
  .hero {
    padding: 90px 0 50px;
    min-height: 85vh;
  }
  
  .hero-title {
    font-size: clamp(1.6rem, 10vw, 2.5rem);
    letter-spacing: -1px;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
    padding: 0 10px;
  }
  
  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
  
  .stat-card {
    width: 100%;
    max-width: 200px;
  }
  
  .terminal-window {
    margin-bottom: 24px;
  }
  
  .terminal-body {
    padding: 16px;
    font-size: 12px;
  }
  
  .skill-categories {
    gap: 24px;
  }
  
  .skill-category {
    padding: 24px;
  }
  
  .category-header {
    margin-bottom: 20px;
  }
  
  .category-icon {
    font-size: 20px;
  }
  
  .category-header h3 {
    font-size: 1.1rem;
  }
  
  .chain-grid {
    gap: 12px;
  }
  
  .chain-item {
    min-width: 80px;
    padding: 12px;
  }
  
  .chain-icon {
    width: 28px;
    height: 28px;
    font-size: 16px;
  }
  
  .chain-item span {
    font-size: 12px;
  }
  
  .lab-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .lab-card {
    padding: 24px;
  }
  
  .about-visual {
    margin-bottom: 32px;
  }
  
  .avatar-frame {
    width: 120px;
    height: 120px;
  }
  
  .avatar-inner {
    width: 100px;
    height: 100px;
  }
  
  .avatar-icon {
    font-size: 48px;
  }
  
  .about-title {
    font-size: 1.8rem;
  }
  
  .about-description p {
    font-size: 1rem;
  }
  
  .contact-card {
    padding: 24px;
  }
  
  .social-link {
    padding: 12px 16px;
  }
  
  .social-icon {
    width: 36px;
    height: 36px;
  }
  
  .service-type {
    padding: 16px;
  }
  
  .service-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  .mobile-nav {
    width: calc(100vw - 20px);
    right: 10px;
    top: 78px;
    padding: 20px 0;
  }
  
  .mobile-nav-content {
    padding: 0 20px;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 50px;
    --container-padding: 10px;
  }
  
  .site-header {
    top: 8px;
    width: calc(100% - 16px);
  }
  
  .site-header .container {
    height: 52px;
    padding: 0 16px;
  }
  
  .brand-icon {
    width: 32px;
    height: 32px;
  }
  
  .brand-text {
    font-size: 16px;
  }
  
  .hero {
    padding: 80px 0 40px;
  }
  
  .hero-title {
    font-size: clamp(1.4rem, 12vw, 2rem);
  }
  
  .terminal-window {
    border-radius: 8px;
  }
  
  .terminal-body {
    padding: 12px;
    font-size: 11px;
  }
  
  .section-header {
    margin-bottom: 40px;
  }
  
  .skill-category,
  .lab-card,
  .contact-card {
    padding: 20px;
  }
  
  .project-card {
    padding: 24px;
  }
  
  .project-actions {
    flex-direction: column;
  }
  
  .project-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .mobile-nav {
    top: 72px;
    border-radius: 16px;
  }
}

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

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-secondary));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent-secondary), var(--accent-tertiary));
}

/* Selection */
::selection {
  background: var(--accent);
  color: black;
}

::-moz-selection {
  background: var(--accent);
  color: black;
}

/* Focus States */
.btn:focus,
.nav-link:focus,
.social-link:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .scroll-indicator {
    animation: none;
  }
  
  .floating-code .code-block {
    animation: none;
    opacity: 0.7;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --border: rgba(255, 255, 255, 0.3);
    --border-strong: rgba(255, 255, 255, 0.5);
    --glass: rgba(255, 255, 255, 0.1);
    --glass-strong: rgba(255, 255, 255, 0.2);
  }
}

/* Print Styles */
@media print {
  .site-header,
  .floating-code,
  .hero-particles,
  .animated-bg,
  .neural-network,
  #matrix-canvas,
  .scroll-indicator {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .section {
    break-inside: avoid;
  }
}
/* --- Fix mobile nav/header shakiness and overflow --- */
@media (max-width: 640px) {
  .site-header {
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    border-radius: 0;
    padding: 0;
    transform: none;
  }
  .site-header .container {
    width: 100%;
    min-width: 0;
    max-width: 100vw;
    box-sizing: border-box;
    padding: 0 8px;
  }
  .mobile-nav {
    width: 100%;
    left: 0;
    right: 0;
    min-width: 0;
    max-width: 100vw;
    border-radius: 0;
    top: 60px; /* match your mobile header height */
    padding-left: 0;
    padding-right: 0;
  }
  .mobile-nav-content {
    padding: 24px 12px 32px 12px;
  }
  .mobile-nav-overlay {
    left: 0;
    right: 0;
    width: 100vw;
  }
}

/* Prevent horizontal scroll on all devices */
html, body {
  max-width: 100vw;
  overflow-x: hidden;
}