:root {
  --bg-primary: #0a0e14;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent-cyan: #06b6d4;
  --accent-cyan-dim: rgba(6, 182, 212, 0.1);
  --accent-amber: #f59e0b;
  --accent-amber-dim: rgba(245, 158, 11, 0.1);
  --border-color: rgba(6, 182, 212, 0.2);
  --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.3);
  --glow-amber: 0 0 20px rgba(245, 158, 11, 0.3);
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
  scroll-behavior: smooth;
}

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

.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.015;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  padding: 8px;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
  backdrop-filter: blur(10px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.terminal-prompt {
  color: var(--accent-cyan);
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: color 0.3s var(--transition-smooth);
  position: relative;
}

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

.link-number {
  color: var(--accent-cyan);
  font-size: 0.85rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}

.circuit-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(var(--accent-cyan-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--accent-cyan-dim) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  animation: circuitPulse 8s ease-in-out infinite;
}

@keyframes circuitPulse {

  0%,
  100% {
    opacity: 0.3;
  }

  50% {
    opacity: 0.5;
  }
}

.hero-content {
  max-width: 600px;
  z-index: 1;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.title-line {
  display: inline-block;
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--transition-spring) forwards;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--accent-cyan);
  margin-bottom: 2rem;
  display: inline-block;
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--transition-spring) forwards;
}

.subtitle-bracket {
  color: var(--accent-amber);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--transition-spring) forwards;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--transition-spring) forwards;
}

.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  z-index: 1;
}

.code-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  position: absolute;
  box-shadow: var(--glow-cyan);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(2deg);
  }
}

.code-header {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

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

.code-content {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
}

.code-keyword {
  color: #c084fc;
}

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

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

.code-method {
  color: #f472b6;
}

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

.code-comment {
  color: var(--text-muted);
}

.data-visual {
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 200px;
  height: 200px;
  animation: float 6s ease-in-out infinite 1s;
}

.orbit-ring {
  animation: rotate 20s linear infinite;
}

.orbit-path {
  animation: orbit 8s linear infinite;
}

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

  to {
    transform: rotate(360deg);
  }
}

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

  to {
    transform: rotate(360deg);
  }
}

.core {
  filter: drop-shadow(0 0 10px var(--accent-cyan));
}

.particle {
  filter: drop-shadow(0 0 5px var(--accent-cyan));
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s var(--transition-smooth);
  cursor: pointer;
  border: none;
  background: none;
}

.btn-primary {
  background: transparent;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--accent-cyan);
  transition: left 0.3s var(--transition-smooth);
  z-index: -1;
}

.btn-primary:hover::before {
  left: 0;
}

.btn-primary:hover {
  color: var(--bg-primary);
  box-shadow: var(--glow-cyan);
}

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

.btn-secondary:hover {
  color: var(--accent-cyan);
}

.btn-arrow {
  transition: transform 0.3s var(--transition-smooth);
}

.btn:hover .btn-arrow {
  transform: translateX(5px);
}

/* Section Styles */
section {
  padding: 8rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent-cyan);
  font-weight: 700;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
}

.section-line {
  flex: 1;
  min-width: 100px;
  height: 1px;
  background: linear-gradient(to right, var(--accent-cyan), transparent);
  opacity: 0.5;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-paragraph {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

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

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

.tech-stack {
  margin-top: 2rem;
}

.tech-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tech-item {
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-cyan);
  border-color: var(--accent-cyan);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 450px));
  justify-content: center;
  gap: 2rem;
}

.project-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid transparent;
  transition: all 0.4s var(--transition-smooth);
  transform-style: preserve-3d;
}

.project-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-10px);
  box-shadow: var(--glow-cyan);
}

.project-image {
  position: relative;
  height: 200px;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.project-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(45deg, var(--accent-cyan-dim) 25%, transparent 25%),
    linear-gradient(-45deg, var(--accent-cyan-dim) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--accent-cyan-dim) 75%),
    linear-gradient(-45deg, transparent 75%, var(--accent-cyan-dim) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  opacity: 0.5;
}

.pattern-alt {
  background-image:
    radial-gradient(circle at center, var(--accent-amber-dim) 2px, transparent 2px);
  background-size: 15px 15px;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 20, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s var(--transition-smooth);
}

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

.project-links {
  display: flex;
  gap: 1.5rem;
}

.project-link {
  color: var(--text-primary);
  transition: all 0.3s var(--transition-smooth);
}

.project-link:hover {
  color: var(--accent-cyan);
  transform: scale(1.1);
}

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.project-tech span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
}

/* Skills Section */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
}

.skill-category {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.category-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.skill-bars {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.skill-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.skill-name {
  width: 100px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.bar-container {
  flex: 1;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), #22d3ee);
  border-radius: 4px;
  transition: width 1s var(--transition-smooth);
  box-shadow: var(--glow-cyan);
}

/* Contact Section */
.contact-content {
  max-width: 700px;
  text-align: center;
}

.contact-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.contact-form {
  margin-bottom: 3rem;
}

.form-group {
  margin-bottom: 2rem;
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-primary);
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--border-color);
  transition: border-color 0.3s var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.form-group label {
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-muted);
  transition: all 0.3s var(--transition-smooth);
  pointer-events: none;
}

.form-group input:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:focus~label,
.form-group textarea:not(:placeholder-shown)~label {
  top: -0.75rem;
  font-size: 0.85rem;
  color: var(--accent-cyan);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.social-link {
  color: var(--text-secondary);
  transition: all 0.3s var(--transition-smooth);
}

.social-link:hover {
  color: var(--accent-cyan);
  transform: translateY(-3px);
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer a {
  text-decoration: none;
}

.footer .social-link:hover {
  transform: none;
}

.heart {
  color: var(--accent-cyan);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.2);
  }
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--glow-cyan);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 30px var(--accent-cyan);
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--transition-spring);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }

  .about-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-link .link-text {
    display: none;
  }

  .hero {
    padding: 6rem 1.5rem 3rem;
  }

  section {
    padding: 4rem 1.5rem;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .skills-container {
    grid-template-columns: 1fr;
  }

  .contact-form {
    max-width: 100%;
  }
}

/* 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-behavior: auto !important;
  }

  .hero-visual,
  .circuit-bg,
  .noise-overlay {
    display: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .cursor {
    animation: none;
  }
}