/* Modern Portfolio CSS - Dark Theme with Sci-Fi Elements */

/* CSS Variables for consistent theming */
:root {
  /* Colors */
  --primary-bg: #0a0a0a;
  --secondary-bg: #111111;
  --card-bg: #1a1a1a;
  --accent-color: #00ff88;
  --accent-secondary: #0088ff;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #666666;
  --border-color: #333333;
  --gradient-primary: linear-gradient(135deg, #00ff88 0%, #0088ff 100%);
  --gradient-secondary: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --section-padding: 100px 0;
  --container-padding: 0 20px;
  
  /* Animations */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-primary);
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Global Background Lights Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 136, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 60% 60%, rgba(0, 136, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  animation: floatingLights 20s ease-in-out infinite;
}

/* Floating lights animation */
@keyframes floatingLights {
  0%, 100% {
    background: 
      radial-gradient(circle at 20% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 80% 20%, rgba(0, 136, 255, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 40% 40%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
      radial-gradient(circle at 60% 60%, rgba(0, 136, 255, 0.05) 0%, transparent 50%);
  }
  25% {
    background: 
      radial-gradient(circle at 30% 70%, rgba(0, 255, 136, 0.12) 0%, transparent 50%),
      radial-gradient(circle at 70% 30%, rgba(0, 136, 255, 0.12) 0%, transparent 50%),
      radial-gradient(circle at 50% 20%, rgba(0, 255, 136, 0.06) 0%, transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(0, 136, 255, 0.06) 0%, transparent 50%);
  }
  50% {
    background: 
      radial-gradient(circle at 80% 60%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 20% 40%, rgba(0, 136, 255, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 60% 80%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
      radial-gradient(circle at 40% 20%, rgba(0, 136, 255, 0.05) 0%, transparent 50%);
  }
  75% {
    background: 
      radial-gradient(circle at 70% 30%, rgba(0, 255, 136, 0.12) 0%, transparent 50%),
      radial-gradient(circle at 30% 70%, rgba(0, 136, 255, 0.12) 0%, transparent 50%),
      radial-gradient(circle at 20% 60%, rgba(0, 255, 136, 0.06) 0%, transparent 50%),
      radial-gradient(circle at 90% 40%, rgba(0, 136, 255, 0.06) 0%, transparent 50%);
  }
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-normal);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  position: relative;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-matrix {
  width: 30px;
  height: 30px;
  margin-left: 10px;
  background: var(--gradient-primary);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.logo-matrix::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: matrix-scan 2s infinite;
}

@keyframes matrix-scan {
  0% { left: -100%; }
  100% { left: 100%; }
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

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

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition-normal);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation Menu */
.nav-menu.mobile-active {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  height: calc(100vh - 80px);
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 40px 20px;
  animation: slideDown 0.3s ease;
}

.nav-menu.mobile-active .nav-link {
  font-size: 1.2rem;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

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

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

#particles-js {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

.hero-text {
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.greeting {
  display: block;
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 10px;
}

.name {
  display: block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.role {
  display: block;
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-top: 10px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}

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

.hero-cta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-normal);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--primary-bg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

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

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

/* Code Window */
.hero-visual {
  animation: fadeInRight 1s ease 0.3s both;
}

.code-window {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.window-header {
  background: var(--secondary-bg);
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

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

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

.control.close { background: #ff5f57; }
.control.minimize { background: #ffbd2e; }
.control.maximize { background: #28ca42; }

.window-title {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 14px;
}

.code-content {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: auto;
}

.code-content .keyword { color: #ff79c6; }
.code-content .module { color: #8be9fd; }
.code-content .function { color: #50fa7b; }
.code-content .string { color: #f1fa8c; }
.code-content .comment { color: #6272a4; }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-arrow {
  width: 30px;
  height: 30px;
  border: 2px solid var(--accent-color);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(45deg); }
  40% { transform: translateY(-10px) rotate(45deg); }
  60% { transform: translateY(-5px) rotate(45deg); }
}

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

/* Enhanced section lighting effects */
section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 10% 20%, rgba(0, 255, 136, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 136, 255, 0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: -1;
  opacity: 0;
  transition: opacity 1s ease;
}

section.visible::before {
  opacity: 1;
}

/* Special lighting for hero section */
.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: -1;
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.5;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0.8;
  }
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-line {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  margin: 0 auto;
  border-radius: 2px;
}

/* About Section */
.about {
  background: var(--secondary-bg);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-intro {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.stat {
  text-align: center;
  padding: 20px;
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 5px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.about-image {
  position: relative;
}

.image-container {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}

.profile-image {
  width: 100%;
  height: auto;
  display: block;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(0, 255, 136, 0.1), rgba(0, 136, 255, 0.1));
  opacity: 0;
  transition: var(--transition-normal);
}

.image-container:hover .image-overlay {
  opacity: 1;
}

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

.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
}

.timeline-item {
  position: relative;
  margin-bottom: 50px;
  padding-left: 80px;
}

.timeline-marker {
  position: absolute;
  left: 20px;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--accent-color);
  border-radius: 50%;
  border: 4px solid var(--primary-bg);
}

.timeline-content {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.timeline-header {
  margin-bottom: 15px;
}

.timeline-header h3 {
  font-size: 1.3rem;
  color: var(--accent-color);
  margin-bottom: 5px;
}

.company {
  font-weight: 600;
  color: var(--text-primary);
  margin-right: 15px;
}

.period {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.tech {
  background: var(--gradient-primary);
  color: var(--primary-bg);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Projects Section */
.projects {
  background: var(--secondary-bg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 200px;
  margin-bottom: 1.5rem;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.project-image svg {
  width: 100%;
  height: 100%;
  border-radius: 10px;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.05), transparent);
  transition: var(--transition-slow);
}

.project-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition-slow);
  z-index: -1;
  animation: cardGlow 3s ease-in-out infinite;
}

.project-card:hover::before {
  left: 100%;
}

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

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 255, 136, 0.2);
  border-color: var(--accent-color);
}

@keyframes cardGlow {
  0%, 100% {
    transform: rotate(0deg) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: rotate(180deg) scale(1.1);
    opacity: 0.6;
  }
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.project-header h3 {
  color: var(--accent-color);
  font-size: 1.2rem;
}

.project-links a {
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-left: 10px;
  transition: var(--transition-fast);
}

.project-links a:hover {
  color: var(--accent-color);
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.skill-category {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 136, 255, 0.05), transparent);
  transition: var(--transition-slow);
}

.skill-category::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 136, 255, 0.05) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition-slow);
  z-index: -1;
  animation: skillGlow 4s ease-in-out infinite;
}

.skill-category:hover::before {
  left: 100%;
}

.skill-category:hover::after {
  opacity: 1;
}

.skill-category:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
  box-shadow: 0 15px 30px rgba(0, 136, 255, 0.2);
}

@keyframes skillGlow {
  0%, 100% {
    transform: rotate(0deg) scale(1);
    opacity: 0.2;
  }
  50% {
    transform: rotate(180deg) scale(1.05);
    opacity: 0.5;
  }
}

.skill-category h3 {
  color: var(--accent-color);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.skill-category i {
  margin-right: 10px;
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.skill {
  background: var(--secondary-bg);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.skill:hover {
  background: var(--gradient-primary);
  color: var(--primary-bg);
  transform: scale(1.05);
}

/* Contact Section */
.contact {
  background: var(--secondary-bg);
}

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

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--accent-color);
}

.contact-methods {
  margin-top: 30px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 0;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  border-bottom: 1px solid var(--border-color);
}

.contact-method:hover {
  color: var(--accent-color);
  padding-left: 10px;
}

.contact-method i {
  font-size: 1.2rem;
  width: 20px;
}

/* Terminal Window */
.terminal-window {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
}

.terminal-header {
  background: var(--secondary-bg);
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

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

.terminal-title {
  color: var(--text-secondary);
  font-size: 14px;
}

.terminal-content {
  padding: 20px;
  font-size: 14px;
  line-height: 1.6;
}

.terminal-line {
  margin-bottom: 10px;
}

.prompt {
  color: var(--accent-color);
  margin-right: 10px;
}

.command {
  color: var(--text-primary);
}

.terminal-output {
  color: var(--text-secondary);
  margin-left: 20px;
  margin-bottom: 15px;
}

.cursor {
  color: var(--accent-color);
  animation: blink 1s infinite;
}

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

/* Footer */
.footer {
  background: var(--primary-bg);
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
}

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

.footer-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-logo .logo-text {
  font-size: 20px;
}

.footer-left p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 20px;
}

.social-links a {
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: var(--transition-fast);
}

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

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

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

/* Responsive Design */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
    --container-padding: 0 30px;
  }
  
  .hero-content {
    gap: 50px;
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablets */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
    --container-padding: 0 20px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-title .name {
    font-size: 2.5rem;
  }
  
  .hero-title .role {
    font-size: 1.2rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .timeline::before {
    left: 15px;
  }
  
  .timeline-item {
    padding-left: 50px;
  }
  
  .timeline-marker {
    left: 5px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* Mobile devices */
@media (max-width: 480px) {
  :root {
    --section-padding: 40px 0;
    --container-padding: 0 15px;
  }
  
  html {
    font-size: 14px;
  }
  
  .hero-title .name {
    font-size: 2rem;
  }
  
  .hero-title .role {
    font-size: 1rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
    font-size: 0.9rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .card {
    padding: 20px;
  }
  
  .timeline-item {
    padding-left: 40px;
  }
}

/* Extra small devices */
@media (max-width: 360px) {
  :root {
    --container-padding: 0 10px;
  }
  
  .hero-title .name {
    font-size: 1.8rem;
  }
  
  .btn {
    padding: 10px 15px;
    font-size: 0.85rem;
  }
  
  .card {
    padding: 15px;
  }
}

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

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

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

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

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

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  /* Increase touch targets for mobile */
  .btn {
    min-height: 44px;
    min-width: 44px;
  }
  
  .nav-link {
    padding: 15px 10px;
  }
  
  .social-links a {
    padding: 10px;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Remove hover effects on touch devices */
  .card:hover {
    transform: none;
  }
  
  .btn:hover {
    transform: none;
  }
  
  /* Add tap highlight */
  .btn, .nav-link, .social-links a {
    -webkit-tap-highlight-color: rgba(0, 255, 136, 0.2);
  }
}

/* Landscape orientation on mobile */
@media screen and (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 40px 0;
  }
  
  .hero-content {
    gap: 30px;
  }
  
  .nav-menu.mobile-active {
    height: calc(100vh - 60px);
    top: 60px;
    padding: 20px;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Optimize for retina displays */
  .hamburger span {
    height: 2px;
  }
  
  .timeline-marker {
    border-width: 2px;
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hero::before,
  body::before {
    animation: none;
  }
}