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

:root {
  /* Colors */
  --primary-bg: #0a0a0a;
  --secondary-bg: #111111;
  --card-bg: #1a1a1a;
  --accent-color: #00ff88;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --border-color: #333333;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
  scroll-behavior: smooth;
}

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

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

.section {
  padding: var(--spacing-4xl) 0;
}

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

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color) 0%, #00cc6a 100%);
  color: var(--primary-bg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 255, 136, 0.3);
}

.btn-outline {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: transparent;
}

.btn-outline:hover {
  background: var(--accent-color);
  color: var(--primary-bg);
  transform: translateY(-2px);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.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-brand {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--accent-color);
  text-decoration: none;
}

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

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

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

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
}

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

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-subtitle {
  font-size: var(--font-size-sm);
  color: var(--accent-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

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

.hero-role {
  display: block;
  color: var(--text-secondary);
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

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

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

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--accent-color);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

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

/* Hero Visual Styles */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: 500px;
}

.profile-container {
  position: relative;
  width: 350px;
  height: 350px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-image {
  position: relative;
  z-index: 3;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--accent-color);
  box-shadow: 0 20px 40px rgba(0, 255, 157, 0.2);
  transition: all 0.3s ease;
}

.profile-image:hover {
  transform: scale(1.05);
  box-shadow: 0 25px 50px rgba(0, 255, 157, 0.3);
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.geometric-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.circle {
  position: absolute;
  border: 2px solid var(--accent-color);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 6s ease-in-out infinite;
}

.circle-1 {
  width: 100px;
  height: 100px;
  top: 20px;
  right: 20px;
  animation-delay: 0s;
}

.circle-2 {
  width: 60px;
  height: 60px;
  bottom: 40px;
  left: 30px;
  animation-delay: 2s;
}

.circle-3 {
  width: 80px;
  height: 80px;
  top: 50%;
  right: -20px;
  animation-delay: 4s;
}

.hero-dots {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle, var(--accent-color) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

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

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

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

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-text p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.highlight {
  padding: var(--spacing-lg);
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: transform var(--transition-base);
}

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

.highlight h4 {
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.highlight p {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

/* Timeline */
.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(--accent-color), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
  padding-left: 80px;
}

.timeline-marker {
  position: absolute;
  left: 22px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--accent-color);
  border-radius: 50%;
  border: 4px solid var(--primary-bg);
  z-index: 1;
}

.timeline-content {
  background: var(--card-bg);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: transform var(--transition-base);
}

.timeline-content:hover {
  transform: translateX(10px);
}

.timeline-period {
  color: var(--accent-color);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.timeline-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.timeline-company {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
}

.timeline-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.timeline-achievements {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.achievement {
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

/* Skills Section */
.skills {
  background: var(--secondary-bg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.skill-category {
  background: var(--card-bg);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.skill-category h3 {
  color: var(--accent-color);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-xl);
}

.skill-item {
  margin-bottom: var(--spacing-lg);
}

.skill-name {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-weight: 500;
}

.skill-bar {
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-color), #00cc6a);
  border-radius: 3px;
  width: 0;
  transition: width 1s ease-out;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

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

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), #00cc6a);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

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

.project-header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.project-tag {
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

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

.metric {
  text-align: center;
}

.metric-value {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--accent-color);
}

.metric-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

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

.tech-tag {
  background: var(--border-color);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 15px;
  font-size: var(--font-size-xs);
}

/* Photography Section */
.photography {
  background: var(--secondary-bg);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.photo-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.photo-item:hover {
  transform: scale(1.05);
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.photo-item:hover img {
  transform: scale(1.1);
}

.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: var(--spacing-xl);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.photo-item:hover .photo-overlay {
  transform: translateY(0);
}

.photo-overlay h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.photo-overlay p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Footer */
.footer {
  background: var(--primary-bg);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-info h3 {
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
}

.footer-info p {
  color: var(--text-secondary);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: flex-end;
}

.contact-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  margin: 0.5rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-bottom a:hover {
  color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .profile-container {
    width: 250px;
    height: 250px;
  }
  
  .profile-image {
    width: 200px;
    height: 200px;
  }
  
  .circle-1 {
    width: 60px;
    height: 60px;
  }
  
  .circle-2 {
    width: 40px;
    height: 40px;
  }
  
  .circle-3 {
    width: 50px;
    height: 50px;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .timeline::before {
    left: 15px;
  }
  
  .timeline-item {
    padding-left: 50px;
  }
  
  .timeline-marker {
    left: 7px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-contact {
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .project-metrics {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* AOS Animation Overrides */
[data-aos] {
  pointer-events: none;
}

[data-aos].aos-animate {
  pointer-events: auto;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: #00cc6a;
}