/* Modern Portfolio CSS */

/* CSS Variables */
:root {
  /* Colors */
  --primary-color: #00d4ff;
  --secondary-color: #090979;
  --accent-color: #4ecdc4;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --border-color: #e5e7eb;
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.1);
  
  /* Dark mode colors */
  --dark-primary: #0f1419;
  --dark-secondary: #1a2332;
  --dark-tertiary: #2c3e50;
  --dark-text-primary: #f0f8ff;
  --dark-text-secondary: #b8d4f0;
  --dark-border: #2c3e50;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

/* Dark mode */
[data-theme="dark"] {
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --text-light: #9ca3af;
  --bg-primary: var(--dark-primary);
  --bg-secondary: var(--dark-secondary);
  --bg-tertiary: var(--dark-tertiary);
  --border-color: var(--dark-border);
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--secondary-color);
}

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

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-normal);
}

/* Dark theme navigation styles */
body[data-theme="dark"] .navbar {
  background-color: rgba(0, 0, 0, 0.95) !important;
  backdrop-filter: blur(10px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

body[data-theme="dark"] nav.navbar {
  background-color: rgba(0, 0, 0, 0.95) !important;
  backdrop-filter: blur(10px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

body[data-theme="dark"] .nav-menu {
  background-color: #000000 !important;
}

body[data-theme="dark"] .nav-link {
  color: #ffffff !important;
}

body[data-theme="dark"] .nav-link:hover {
  color: var(--primary-color) !important;
}

body[data-theme="dark"] .nav-logo a {
  color: #ffffff !important;
}

body[data-theme="dark"] .theme-toggle {
  color: #ffffff !important;
}

body[data-theme="dark"] .theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
  color: var(--primary-color) !important;
}

body[data-theme="dark"] .nav-toggle .bar {
  background-color: #ffffff !important;
}

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

.nav-logo a {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-left: var(--spacing-md);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  color: var(--primary-color);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-primary);
    width: 100%;
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-xl) 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  font-size: var(--font-size-base);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
  color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-outline:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

.btn-project {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-project:hover {
  background-color: var(--primary-color);
  color: white;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #1e3c72 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(9, 9, 121, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(78, 205, 196, 0.2) 0%, transparent 50%);
  opacity: 0.8;
  pointer-events: none;
  animation: gradientShift 10s ease-in-out infinite alternate;
}

@keyframes gradientShift {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.1) rotate(5deg); }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 2;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
  color: white;
}

.highlight {
  color: white;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: #e2e8f0;
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: #cbd5e0;
  margin-bottom: var(--spacing-2xl);
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.hero-social {
  display: flex;
  gap: var(--spacing-lg);
}

.hero-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-xl);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: var(--font-size-xl);
  transition: all var(--transition-fast);
}

.hero-social a:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-avatar {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.hero-avatar::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background: linear-gradient(45deg, #00d4ff, #4ecdc4, #090979, #2c3e50, #00d4ff);
  background-size: 400% 400%;
  border-radius: 50%;
  z-index: -1;
  animation: gradientRotate 4s ease infinite;
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-ring {
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

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

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

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

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

.floating-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  animation: floatIcon 8s ease-in-out infinite;
  animation-delay: var(--delay);
}

.floating-icon:nth-child(1) { top: 10%; right: 10%; }
.floating-icon:nth-child(2) { top: 60%; right: 5%; }
.floating-icon:nth-child(3) { top: 20%; right: 40%; }
.floating-icon:nth-child(4) { top: 80%; right: 30%; }

@keyframes floatIcon {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
    opacity: 0.7;
  }
  50% { 
    transform: translateY(-20px) rotate(180deg); 
    opacity: 1;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background-color: var(--text-light);
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -3px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-light);
  border-bottom: 2px solid var(--text-light);
  transform: rotate(45deg);
}

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

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-avatar {
    width: 200px;
    height: 200px;
  }
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-sm);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

/* About Section */
.about {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.about-text {
  display: grid;
  gap: var(--spacing-xl);
}

.about-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  color: var(--text-primary);
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.about-card:hover::before {
  transform: translateX(100%);
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  margin-bottom: var(--spacing-lg);
}

.about-card h3 {
  color: #2d3748;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.about-card p {
  color: #4a5568;
  line-height: 1.6;
}

.about-stats {
  display: grid;
  gap: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  color: var(--text-primary);
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.stat-item:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.stat-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  margin: 0 auto var(--spacing-md);
  position: relative;
  z-index: 2;
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 2;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: #4a5568;
  font-weight: 600;
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Skills Section */
.skills {
  padding: var(--spacing-3xl) 0;
}

.skills-content {
  display: grid;
  gap: var(--spacing-2xl);
}

.skill-category {
  background-color: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-light);
}

.skill-category h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.skill-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  color: var(--text-primary);
}

.skill-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.skill-item:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  color: white;
}

.skill-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
  transition: all var(--transition-fast);
  position: relative;
  z-index: 2;
}

.skill-item span {
  font-weight: 600;
  text-align: center;
  position: relative;
  z-index: 2;
  color: #2d3748;
}

.skill-level {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  z-index: 2;
}

.skill-level::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--level, 0%);
  background: linear-gradient(90deg, #00d4ff, #4ecdc4);
  border-radius: 2px;
  animation: skillProgress 2s ease-out;
}

@keyframes skillProgress {
  0% { width: 0%; }
  100% { width: var(--level, 0%); }
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  justify-content: center;
}

.category-header i {
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
}

/* Experience Section */
.experience {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

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

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

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-2xl);
  padding-left: 80px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 21px;
  top: 0;
  width: 18px;
  height: 18px;
  background-color: var(--primary-color);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  z-index: 2;
}

.timeline-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  color: var(--text-primary);
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.timeline-content:hover::before {
  transform: translateX(100%);
}

.timeline-content:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.company-logo {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  margin-bottom: var(--spacing-md);
}

.timeline-header {
  margin-bottom: var(--spacing-lg);
}

.timeline-header h3 {
  color: #2d3748;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.company {
  display: block;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: var(--spacing-xs);
}

.timeline-content p {
  color: #4a5568;
  line-height: 1.6;
}

.duration {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.location {
  display: block;
  color: var(--text-light);
  font-size: var(--font-size-sm);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.tech-stack span {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    padding-left: 60px;
  }
  
  .timeline-item::before {
    left: 11px;
  }
}

/* Projects Section */
.projects {
  padding: var(--spacing-3xl) 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.project-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-fast);
  position: relative;
  color: var(--text-primary);
  transform-style: preserve-3d;
}

/* Card glow effect for cursor following */
.card-glow {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: inherit;
  z-index: 1;
  background: radial-gradient(circle 100px at 50% 50%, 
    rgba(0, 212, 255, 0.2), 
    transparent 70%);
}

.project-card > * {
  position: relative;
  z-index: 2;
}

/* Enhanced cursor following effects */
.project-card {
  will-change: transform, box-shadow;
}

.project-card .project-image {
  overflow: hidden;
  transition: all 0.3s ease;
}

.project-card .project-image img {
  transition: all 0.3s ease;
  will-change: filter;
}

.project-card:hover {
  /* Enhanced by JavaScript cursor following - basic fallback */
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.project-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: linear-gradient(135deg, #2c3e50 0%, #00d4ff 100%);
  position: relative;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  filter: brightness(0.9);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
  filter: brightness(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(0, 212, 255, 0.85), rgba(44, 62, 80, 0.85));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.project-overlay .project-links {
  display: flex;
  gap: var(--spacing-md);
}

.project-overlay .btn-project {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all var(--transition-fast);
}

.project-overlay .btn-project:hover {
  background: white;
  color: var(--primary-color);
  transform: scale(1.1);
}

.project-content {
  padding: var(--spacing-xl);
}

.project-content h3 {
  color: #2d3748;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.project-content p {
  margin-bottom: var(--spacing-lg);
  color: #4a5568;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.project-tech span {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: var(--spacing-md);
}

.projects-footer {
  text-align: center;
}

/* Contact Section */
.contact {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info {
  display: grid;
  gap: var(--spacing-xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-light);
  transition: transform var(--transition-fast);
  color: var(--text-primary);
}

.contact-item:hover {
  transform: translateY(-5px);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-xl);
  color: white;
  font-size: var(--font-size-xl);
}

.contact-details h3 {
  margin-bottom: var(--spacing-xs);
  color: #2d3748;
  font-weight: 600;
}

.contact-details p {
  margin: 0;
  color: #4a5568;
}

.contact-cta {
  background: rgba(255, 255, 255, 0.95);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-light);
  text-align: center;
  color: var(--text-primary);
}

.contact-cta h3 {
  color: #2d3748;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.contact-cta p {
  color: #4a5568;
}

.contact-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin: var(--spacing-2xl) 0;
}

.contact-social {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
}

.contact-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-xl);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: var(--font-size-xl);
  transition: all var(--transition-fast);
}

.contact-social a:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .contact-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* Footer */
.footer {
  background-color: var(--dark-primary);
  color: var(--dark-text-secondary);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer .social-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer .social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background-color: var(--dark-tertiary);
  color: var(--dark-text-secondary);
  transition: all var(--transition-fast);
}

.footer .social-links a:hover {
  background-color: var(--primary-color);
  color: white;
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* Utility Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide Animations for About Section */
.slide-in-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-in-left.visible,
.slide-in-right.visible,
.slide-in-up.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Staggered animation delays */
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.3s; }
.animate-delay-3 { transition-delay: 0.5s; }
.animate-delay-4 { transition-delay: 0.7s; }
.animate-delay-5 { transition-delay: 0.9s; }
.animate-delay-6 { transition-delay: 1.1s; }

/* Timeline specific animations */
.timeline-fade-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.timeline-fade-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Enhanced timeline item animations */
.experience .timeline-item {
  position: relative;
}

.experience .timeline-item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 20px;
  width: 12px;
  height: 12px;
  background: var(--primary-color);
  border-radius: 50%;
  transform: scale(0);
  transition: transform 0.5s ease 0.5s;
}

.experience .timeline-item.visible::before {
  transform: scale(1);
  animation: timelinePulse 2s ease-in-out infinite;
}

@keyframes timelinePulse {
  0%, 100% { 
    box-shadow: 0 0 0 0 rgba(64, 123, 255, 0.7);
  }
  50% { 
    box-shadow: 0 0 0 10px rgba(64, 123, 255, 0);
  }
}

.experience .timeline-content {
  transform: translateY(30px);
  opacity: 0;
  transition: all 0.6s ease;
}

.experience .timeline-item.visible .timeline-content {
  transform: translateY(0);
  opacity: 1;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Project Pages Styling */
.project-hero {
  position: relative;
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #1e3c72 100%);
  color: white;
  overflow: hidden;
}

.project-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(9, 9, 121, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(78, 205, 196, 0.2) 0%, transparent 50%);
  opacity: 0.8;
  pointer-events: none;
  animation: gradientShift 10s ease-in-out infinite alternate;
}

.project-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,0 1000,300 1000,1000 0,700"/><polygon fill="rgba(255,255,255,0.03)" points="0,200 1000,0 1000,600 0,800"/></svg>') no-repeat center center;
  background-size: cover;
}

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

.project-breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.breadcrumb-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: white;
}

.breadcrumb-separator {
  margin: 0 var(--spacing-sm);
  opacity: 0.6;
}

.breadcrumb-current {
  color: white;
  font-weight: 500;
}

.project-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.project-subtitle {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.project-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.meta-item i {
  opacity: 0.8;
}

.project-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.project-content {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-primary);
}

.project-body {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
  font-size: var(--font-size-md);
}

.project-body h1,
.project-body h2,
.project-body h3,
.project-body h4,
.project-body h5,
.project-body h6 {
  color: var(--text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.project-body h1 { font-size: 2.5rem; }
.project-body h2 { font-size: 2rem; }
.project-body h3 { font-size: 1.75rem; }
.project-body h4 { font-size: 1.5rem; }
.project-body h5 { font-size: 1.25rem; }
.project-body h6 { font-size: 1.1rem; }

.project-body p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.project-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
  margin: var(--spacing-lg) 0;
}

.project-body figure {
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.project-body figcaption {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

.project-body ul,
.project-body ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.project-body li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.project-body blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  font-style: italic;
}

.project-body code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: var(--primary-color);
}

.project-body pre {
  background: var(--bg-tertiary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

.project-body pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

.project-body .embed-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  max-width: 100%;
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
}

.project-body .embed-container iframe,
.project-body .embed-container object,
.project-body .embed-container embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
}

.back-to-projects {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
  text-align: center;
}

.back-to-projects-content {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.back-to-projects-content.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Project page responsive design */
@media (max-width: 768px) {
  .project-hero {
    padding: 100px 0 60px;
  }
  
  .project-meta {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
  }
  
  .project-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .project-actions .btn {
    width: 200px;
  }
  
  .project-content {
    padding: var(--spacing-3xl) 0;
  }
  
  .project-body {
    padding: 0 var(--spacing-md);
  }
}

/* Projects List Page Styling */
.projects-hero {
  position: relative;
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #1e3c72 100%);
  color: white;
  overflow: hidden;
}

.projects-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(9, 9, 121, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(78, 205, 196, 0.2) 0%, transparent 50%);
  opacity: 0.8;
  pointer-events: none;
  animation: gradientShift 10s ease-in-out infinite alternate;
}

.projects-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle fill="rgba(255,255,255,0.05)" cx="200" cy="200" r="100"/><circle fill="rgba(255,255,255,0.03)" cx="800" cy="300" r="150"/><polygon fill="rgba(255,255,255,0.04)" points="600,100 700,200 500,300"/></svg>') no-repeat center center;
  background-size: cover;
}

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

.breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.breadcrumb-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: white;
}

.breadcrumb-separator {
  margin: 0 var(--spacing-sm);
  opacity: 0.6;
}

.breadcrumb-current {
  color: white;
  font-weight: 500;
}

.projects-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.projects-subtitle {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-4xl);
  opacity: 0.9;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.projects-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4xl);
  flex-wrap: wrap;
}

.projects-stats .stat-item {
  text-align: center;
}

.projects-stats .stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--spacing-xs);
}

.projects-stats .stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.projects-filter {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.filter-tab {
  padding: var(--spacing-md) var(--spacing-xl);
  border: 2px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.projects-grid-section {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.project-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform-style: preserve-3d;
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

.project-card:hover {
  /* Enhanced by JavaScript cursor following - basic fallback */
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.project-card[data-category] {
  animation-delay: calc(var(--index, 0) * 0.1s);
}

.project-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

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

.project-links {
  display: flex;
  gap: var(--spacing-md);
}

.btn-project {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: var(--font-size-lg);
}

.btn-project:hover {
  background: var(--secondary-color);
  transform: scale(1.1);
}

.project-content {
  padding: var(--spacing-xl);
}

.project-category {
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.project-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.project-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.project-tech span {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.project-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.project-meta i {
  margin-right: var(--spacing-xs);
  color: var(--primary-color);
}

.projects-cta {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  text-align: center;
}

.cta-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Active navigation link styling */
.nav-link.active {
  color: var(--primary-color);
  font-weight: 600;
}

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

/* Filter animation */
.project-card.filtered-out {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.project-card.filtered-in {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

/* Responsive design for projects list page */
@media (max-width: 768px) {
  .projects-hero {
    padding: 100px 0 60px;
  }
  
  .projects-title {
    font-size: 2.5rem;
  }
  
  .projects-stats {
    gap: var(--spacing-xl);
  }
  
  .projects-stats .stat-number {
    font-size: 2.5rem;
  }
  
  .filter-tabs {
    gap: var(--spacing-sm);
  }
  
  .filter-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 250px;
  }
}

/* JavaCard Binary Parser Specific Styles */
.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.component-card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.component-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.component-header {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.component-header i {
    font-size: 1.5rem;
    margin-right: 1rem;
}

.component-header h4 {
    margin: 0;
    font-size: 1.2rem;
}

.component-content {
    padding: 1.5rem;
}

.component-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.component-image {
    text-align: center;
    margin-top: 1rem;
}

.component-image img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Additional Components Section */
.additional-components {
    margin: 3rem 0;
}

.component-row {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    gap: 2rem;
}

.component-row:nth-child(even) {
    flex-direction: row-reverse;
}

.component-info {
    flex: 1;
}

.component-info h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.component-info h4 i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.component-info p {
    color: var(--text-muted);
}

.component-visual {
    flex: 1;
    text-align: center;
}

.component-visual img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Usage Section */
.usage-section {
    margin: 3rem 0;
}

.usage-step {
    display: flex;
    align-items: flex-start;
    margin: 2rem 0;
    gap: 2rem;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.step-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.code-example {
    background: var(--code-bg, #f8f9fa);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    margin-top: 1rem;
}

.code-example code {
    color: var(--primary-color);
    font-weight: bold;
}

/* Responsive Design for JavaCard Parser */
@media (max-width: 768px) {
    .components-grid {
        grid-template-columns: 1fr;
    }
    
    .component-row {
        flex-direction: column !important;
        text-align: center;
    }
    
    .usage-step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        align-self: center;
    }
}