@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
  --bg-darker: #0B0F19;
  --bg-dark: #111111;
  --bg-card: #1A1F2B;
  --primary: #3B82F6;
  --primary-glow: rgba(59, 130, 246, 0.4);
  --primary-soft: rgba(59, 130, 246, 0.1);
  --text-primary: #E0E0E0;
  --text-secondary: #94A3B8;
  --border: #222222;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Poppins', sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-darker); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Utility */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.section-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
}

.section {
  padding: 80px 0;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background: rgba(15, 18, 28, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 8%;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -1px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  background: var(--bg-darker);
}

#radar-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-subtitle {
  font-family: var(--font-mono);
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  display: block;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.typing-container {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  min-height: 1.5em;
}

#typing-text {
  color: var(--primary);
  border-right: 2px solid var(--primary);
  padding-right: 5px;
  animation: cursor-blink 0.8s infinite;
}

@keyframes cursor-blink {
  50% { border-color: transparent; }
}

.btn-group {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.btn {
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px var(--primary-glow);
}

.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-soft);
  transform: translateY(-3px);
}

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

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

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.detail-item {
  background: var(--bg-card);
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.detail-item span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.detail-item strong {
  font-size: 1rem;
  color: var(--text-primary);
}

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

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background: var(--border);
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  width: 50%;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.timeline-item.active {
  opacity: 1;
  transform: translateY(0);
}

.timeline-item.left { left: 0; }
.timeline-item.right { left: 50%; }

.timeline-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  right: -8px;
  background: var(--primary);
  border-radius: 50%;
  top: 20px;
  z-index: 10;
  box-shadow: 0 0 10px var(--primary);
}

.right .timeline-dot {
  left: -8px;
}

.timeline-content {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--primary);
}

.timeline-content h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.timeline-content .date {
  font-family: var(--font-mono);
  color: var(--primary);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  display: block;
}

/* Skills Upgraded UI - HUD Modules */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.skill-module {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.skill-module:hover {
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
  transform: translateY(-5px);
}

.module-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.module-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

.status-indicator {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #10B981;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-indicator span {
  width: 6px;
  height: 6px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { opacity: 1; }
  50% { opacity: 0.3; }
  100% { opacity: 1; }
}

.skill-module h3 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.module-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.module-tags .tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.85rem;
  transition: var(--transition);
}

.skill-module:hover .module-tags .tag {
  border-color: rgba(59, 130, 246, 0.3);
}

.module-footer {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.module-footer span {
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.module-footer strong {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.project-card:hover {
  border-color: var(--primary);
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.project-image {
  height: 200px;
  background: #222;
  position: relative;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

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

.project-info {
  padding: 1.5rem;
}

.project-info h3 {
  margin-bottom: 0.8rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Contact */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 { font-size: 2rem; margin-bottom: 1.5rem; }
.contact-info p { color: var(--text-secondary); margin-bottom: 2rem; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 1rem;
  background: #141414;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: #fff;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary);
}

/* Antigravity Support */
.antigravity {
  will-change: transform;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

@media (max-width: 768px) {
  .about-grid, .contact-container { grid-template-columns: 1fr; }
  .timeline::after { left: 31px; }
  .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
  .timeline-item.right { left: 0%; }
  .timeline-dot { left: 23px !important; }
  nav { padding: 0 5%; }
  .nav-links { display: none; }
}