:root {
  --bg-color: #050508;
  --cyan: #00F5FF;
  --violet: #8B5CF6;
  --text-main: #ffffff;
  --text-muted: #a0a0ab;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-code: 'JetBrains Mono', monospace;
  --spacing-unit: 1rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  cursor: none !important; /* Hide default cursor */
}

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

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

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  font-family: var(--font-code);
  font-weight: 400;
  color: var(--text-muted);
}

.highlight-cyan { color: var(--cyan); }
.highlight-violet { color: var(--violet); }

/* Grain Overlay */
.grain-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Custom Cursor */
.cursor-dot {
  position: fixed;
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--cyan);
}
.cursor-trail {
  position: fixed;
  width: 30px; height: 30px;
  border: 1px solid rgba(139, 92, 246, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s;
}
.cursor-trail.active {
  width: 50px; height: 50px;
  background: rgba(0, 245, 255, 0.1);
  border-color: var(--cyan);
}

/* Scroll Progress */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  width: 0%;
  z-index: 1000;
  box-shadow: 0 0 10px var(--cyan);
}

/* Navbar */
nav {
  position: fixed;
  top: 0; left: 0; width: 100%;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  transition: all 0.3s ease;
}
nav.scrolled {
  padding: 1rem 5%;
  background: rgba(5, 5, 8, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  position: relative;
}
.logo::after {
  content: '.';
  color: var(--cyan);
}
.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-family: var(--font-code);
  font-size: 0.9rem;
  position: relative;
  transition: color 0.3s;
}
.nav-links a:hover {
  color: var(--cyan);
}
.nav-links a::after {
  content: '';
  position: absolute;
  width: 0; height: 2px;
  bottom: -4px; left: 0;
  background: var(--cyan);
  transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }

/* Tooltip */
.tooltip {
  position: fixed;
  background: #0a0a0f;
  border: 1px solid var(--cyan);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.2);
  padding: 10px 15px;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -150%);
  transition: opacity 0.2s;
  z-index: 1000;
  text-align: center;
}
.tooltip.visible { opacity: 1; }
.tooltip-title {
  font-family: var(--font-code);
  color: var(--cyan);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.tooltip-desc {
  font-family: var(--font-code);
  color: var(--violet);
  font-size: 0.8rem;
}

/* Base Section Styles */
section {
  padding: 100px 5%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.section-title {
  font-size: 3rem;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}
.section-title::before {
  content: attr(data-text);
  position: absolute;
  left: 2px; top: -2px;
  color: var(--cyan);
  opacity: 0.5;
  z-index: -1;
}
.section-title::after {
  content: attr(data-text);
  position: absolute;
  left: -2px; top: 2px;
  color: var(--violet);
  opacity: 0.5;
  z-index: -1;
}

/* Scroll Animations Initial State */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero Section */
.hero {
  padding: 0;
  align-items: center;
  text-align: center;
  background: radial-gradient(circle at center, #1a1a2e 0%, var(--bg-color) 100%);
}
.hero-content {
  z-index: 1;
  max-width: 800px;
  padding: 2rem;
  pointer-events: none;
}
.hero-content .greeting {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}
.hero-content .subtitle {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #fff, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  min-height: 1.2em; /* For typing effect */
}
.hero-content .tagline {
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}
.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  pointer-events: auto;
}
.btn {
  padding: 0.8rem 2rem;
  font-family: var(--font-code);
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-primary {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.2);
}
.btn-primary:hover {
  background: var(--cyan);
  color: var(--bg-color);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.6);
}
.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-secondary:hover {
  border-color: var(--text-main);
  background: rgba(255,255,255,0.1);
}
.scroll-down {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: auto;
}
.arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(45deg); }
  40% { transform: translateY(-15px) rotate(45deg); }
  60% { transform: translateY(-7px) rotate(45deg); }
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.profile-img-container {
  position: relative;
  width: 100%; max-width: 400px;
  aspect-ratio: 1;
  margin: 0 auto;
}
.profile-img {
  width: 100%; height: 100%;
  background: #111;
  border: 2px solid var(--cyan);
  position: relative;
  z-index: 2;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-code);
  color: var(--text-muted);
  overflow: hidden;
}
.profile-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.profile-glitch {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  border: 2px solid var(--violet);
  z-index: 1;
  animation: glitch-border 3s infinite linear alternate-reverse;
}
@keyframes glitch-border {
  0% { transform: translate(0); }
  20% { transform: translate(-4px, 4px); border-color: var(--cyan); }
  40% { transform: translate(4px, -4px); border-color: var(--violet); }
  60% { transform: translate(0, 4px); border-color: #ff00ff; }
  80% { transform: translate(-4px, -4px); }
  100% { transform: translate(0); }
}
.stats-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.stat-item {
  padding: 1rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.02);
  text-align: center;
  border-radius: 4px;
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cyan);
  font-family: var(--font-code);
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Skills Section - Command Center Variant */
.command-center-skills {
  padding-top: 120px;
}
.cc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 10px;
  margin-bottom: 2rem;
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--text-muted);
}
.cc-header .section-title {
  margin-bottom: 0;
  font-size: 2rem;
  font-family: var(--font-heading);
  white-space: nowrap;
  color: var(--text-main);
}
.cc-core-container, .cc-tech-container {
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: 2rem;
  overflow: hidden;
}
.cc-panel-title {
  background: rgba(255, 255, 255, 0.02);
  padding: 10px 20px;
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  letter-spacing: 2px;
}
.cc-core-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
}
.cc-radar-wrapper {
  position: relative;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}
.cc-id-card {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.2rem;
  font-family: var(--font-code);
}
.id-row {
  display: flex;
  justify-content: flex-start;
  font-size: 0.95rem;
}
.id-label {
  color: var(--text-muted);
  width: 120px;
}
.id-value {
  color: var(--text-main);
  font-weight: bold;
}
.id-value.cyan {
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
}
.cc-init-btn {
  margin-top: 2rem;
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  text-align: center;
  padding: 0.8rem;
  font-weight: bold;
  letter-spacing: 2px;
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.2);
  transition: all 0.3s;
}
.cc-init-btn:hover {
  background: var(--cyan);
  color: var(--bg-color);
  box-shadow: 0 0 25px rgba(0, 245, 255, 0.6);
}
.cc-network-wrapper {
  position: relative;
  height: 500px;
  width: 100%;
  overflow: hidden;
}
#network-2d-container {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0; left: 0;
}
.network-svg-layer {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}
.network-path {
  fill: none;
  stroke: rgba(0, 245, 255, 0.2);
  stroke-width: 2px;
  transition: stroke 0.3s, stroke-width 0.3s;
}
.network-path.active {
  stroke: var(--cyan);
  stroke-width: 3px;
  filter: drop-shadow(0 0 5px var(--cyan));
}
.network-node {
  position: absolute;
  background: rgba(10, 10, 15, 0.9);
  border: 1px solid rgba(0, 245, 255, 0.3);
  padding: 6px 12px;
  border-radius: 20px;
  color: var(--text-main);
  font-family: var(--font-code);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translate(-50%, -50%); /* Centered exactly on the coordinate */
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  z-index: 10;
}
.network-node:hover, .network-node.highlight {
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
  transform: translate(-50%, -50%) scale(1.1);
}
.network-node i {
  color: var(--cyan);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  perspective: 1000px;
}
.project-wrapper {
  /* Separates scroll animation from inner 3D hover effects */
}
.project-card {
  background: #0a0a0f;
  border-radius: 8px;
  padding: 2rem;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.1s ease, box-shadow 0.3s ease;
  /* Gradient Border */
  box-shadow: 0 0 0 1px rgba(255,255,255,0.1);
  height: 100%;
}
.project-card::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: linear-gradient(45deg, var(--cyan), var(--violet), transparent, transparent);
  z-index: -1;
  border-radius: 10px;
  opacity: 0;
  transition: opacity 0.3s;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover {
  box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}
.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  transform: translateZ(30px);
}
.project-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem;
  transform: translateZ(20px);
}
.project-tags span {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}
.project-desc {
  transform: translateZ(25px);
  margin-bottom: 2rem;
}
.project-links {
  display: flex; gap: 1rem;
  transform: translateZ(40px);
}
.project-links a {
  color: var(--text-main);
  text-decoration: none;
  font-family: var(--font-code);
  font-size: 0.9rem;
  display: flex; align-items: center; gap: 0.5rem;
  transition: color 0.3s;
}
.project-links a:hover { color: var(--cyan); }

/* Contact Section */
.contact {
  position: relative;
}
.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 49px,
    rgba(139, 92, 246, 0.03) 50px
  ), repeating-linear-gradient(
    90deg,
    transparent,
    transparent 49px,
    rgba(0, 245, 255, 0.03) 50px
  );
  z-index: -1;
}
.contact-container {
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.form-group {
  position: relative;
}
.form-group input, .form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  color: var(--text-main);
  font-family: var(--font-code);
  padding: 10px 0;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s;
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-group label {
  position: absolute;
  top: 10px; left: 0;
  font-family: var(--font-code);
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.3s ease;
}
.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
  top: -20px;
  font-size: 0.8rem;
  color: var(--cyan);
}
.focus-border {
  position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--cyan);
  transition: width 0.4s ease;
  box-shadow: 0 0 10px var(--cyan);
}
.form-group input:focus ~ .focus-border,
.form-group textarea:focus ~ .focus-border { width: 100%; }

.social-links {
  display: flex; gap: 1.5rem; margin-top: 3rem; justify-content: center;
}
.social-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1.5rem;
  transition: all 0.3s;
}
.social-links a:hover {
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan);
  transform: translateY(-3px);
}

/* Footer */
footer {
  padding: 2rem 5%;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  background: #020204;
}
footer p { margin-bottom: 0.5rem; }
footer .tagline { font-size: 0.85rem; color: var(--text-muted); }

/* Responsive Design */
@media (max-width: 768px) {
  .about-content { grid-template-columns: 1fr; }
  .cc-core-content { grid-template-columns: 1fr; }
  .cc-id-card { padding: 1.5rem; }
  .cc-radar-wrapper { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.05); height: 300px; }
  .cc-network-wrapper { height: 400px; }
  .hero-content .subtitle { font-size: 2.5rem; }
  .hero {
    background: radial-gradient(circle at center, #1a1a2e 0%, var(--bg-color) 100%);
  }
  .nav-links { display: none; } /* Simplified for demo, would add hamburger logic */
  * { cursor: auto !important; }
  .cursor-dot, .cursor-trail { display: none; }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .animate-on-scroll { opacity: 1; transform: none; }
}