@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #080b11;
  --bg-secondary: rgba(13, 17, 28, 0.7);
  --bg-card: rgba(22, 28, 45, 0.45);
  
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.3);
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.3);
  --accent-purple: #6366f1;
  --accent-purple-glow: rgba(99, 102, 241, 0.3);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(6, 182, 212, 0.2);
  --border-emerald: rgba(16, 185, 129, 0.2);
  
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --card-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.15);
  --card-glow-emerald: 0 0 20px rgba(16, 185, 129, 0.15);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
  transition: var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

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

/* Ambient Background Parallax Glow Blobs */
.parallax-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -2;
  pointer-events: none;
  opacity: 0.18;
  will-change: transform;
}

.blob-1 {
  width: 450px;
  height: 450px;
  top: 10%;
  left: -5%;
  background: var(--accent-cyan-glow);
}

.blob-2 {
  width: 500px;
  height: 500px;
  bottom: 10%;
  right: -5%;
  background: var(--accent-purple-glow);
}

/* Staggered Element Parallax Scroll Utilities */
.parallax-slow, .parallax-fast {
  will-change: transform, opacity;
  transition: transform 0.05s linear !important;
}

/* Particles background overlay */
#particles-js, #cyber-bg {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
  top: 0;
  left: 0;
  opacity: 0.6;
}

#vanta-bg {
  position: fixed;
  width: 100%;
  height: 120vh;
  z-index: -1;
  top: 0;
  left: 0;
  will-change: transform;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  margin-bottom: 2.5rem;
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-emerald));
  border-radius: 2px;
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-emerald));
  z-index: 1050;
  transition: width 0.1s ease;
}

/* Floating Glass Navbar */
.navbar {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(8, 11, 17, 0.7);
  border-bottom: 1px solid var(--border-glass);
  padding: 1rem 0;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  padding: 0.7rem 0;
  background: rgba(8, 11, 17, 0.85);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.navbar-brand {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(90deg, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-brand::before {
  content: '</>';
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Nav Links */
.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.5rem 1rem !important;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--accent-cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Sections */
.section {
  padding: 100px 0;
  position: relative;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 0 100px 0;
  position: relative;
}

.hero-content {
  text-align: center;
}

.profile-container {
  position: relative;
  display: inline-block;
  margin-bottom: 2rem;
}

.profile-container::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-emerald));
  z-index: -1;
  opacity: 0.7;
}

.profile-container::after {
  content: '';
  position: absolute;
  inset: -15px;
  border-radius: 50%;
  border: 1px dashed var(--accent-cyan);
  z-index: -1;
  opacity: 0.4;
}

.hero img {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  object-fit: cover;
  box-shadow: var(--card-shadow);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.35rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 2rem;
  min-height: 2rem;
}

.typewriter-cursor {
  display: inline-block;
  color: var(--accent-cyan);
  margin-left: 2px;
  animation: blink 0.8s infinite;
}

/* Custom Buttons */
.btn-custom {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-cyan);
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.05);
}

.btn-custom-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border: none;
  color: #000;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.25);
}

.btn-custom-primary:hover {
  background: linear-gradient(135deg, #0ce7ff, #7e82ff);
  color: #000;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

.btn-custom-secondary {
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(5px);
}

.btn-custom-secondary:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.05);
  transform: translateY(-3px);
  box-shadow: var(--card-glow-cyan);
}

/* Cards & Glassmorphism */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 2.5rem;
  transition: var(--transition-smooth);
  box-shadow: var(--card-shadow);
  height: 100%;
}

.glass-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-cyan);
  box-shadow: var(--card-shadow), var(--card-glow-cyan);
}

/* Terminal Card (About section) */
.terminal-card {
  font-family: var(--font-mono);
  background: #090d16;
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  text-align: left;
  height: 100%;
}

.terminal-header {
  background: rgba(22, 28, 45, 0.8);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

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

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-title {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.terminal-body {
  padding: 1.5rem;
  font-size: 0.9rem;
  color: var(--accent-emerald);
}

.terminal-body p {
  margin-bottom: 0.75rem;
}

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

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

/* Projects */
.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 1.25rem 0;
}

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}

.project-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition-fast);
}

.project-link i {
  transition: transform 0.3s ease;
}

.project-link:hover {
  color: #22d3ee;
}

.project-link:hover i {
  transform: translateX(4px);
}

/* Skills */
.skill-category-title {
  color: var(--accent-cyan);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-badge {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 0.9rem 1.25rem;
  border-radius: 12px;
  font-weight: 600;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 12px;
  height: 100%;
}

.skill-badge i {
  font-size: 1.25rem;
  color: var(--accent-cyan);
}

.skill-badge:hover {
  transform: translateY(-4px);
  border-color: var(--border-cyan);
  background: rgba(6, 182, 212, 0.05);
  box-shadow: var(--card-glow-cyan);
}

/* Education Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.5;
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
  box-sizing: border-box;
}

.timeline-item.left {
  left: 0;
  text-align: right;
}

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

.timeline-item::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  right: -8px;
  top: 32px;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  border-radius: 50%;
  z-index: 1;
  transition: var(--transition-fast);
  box-shadow: 0 0 10px var(--accent-cyan);
}

.timeline-item.right::after {
  left: -8px;
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px var(--accent-purple);
}

.timeline-item:hover::after {
  background: var(--accent-cyan);
  transform: scale(1.3);
}

.timeline-item.right:hover::after {
  background: var(--accent-purple);
}

.timeline-content {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-content {
  border-color: var(--accent-cyan);
  box-shadow: var(--card-shadow), var(--card-glow-cyan);
}

.timeline-item.right:hover .timeline-content {
  border-color: var(--accent-purple);
  box-shadow: var(--card-shadow), var(--card-glow-emerald);
}

.timeline-year {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  margin-bottom: 0.5rem;
}

.timeline-item.right .timeline-year {
  color: var(--accent-purple);
  background: rgba(99, 102, 241, 0.1);
}

/* Contact Grid */
.contact-container {
  max-width: 600px;
  margin: 0 auto;
}

.contact-card {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  transition: var(--transition-smooth);
}

.contact-icon {
  font-size: 2.5rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

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

/* Social Grid hover transitions */
.social-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 1.5rem;
}

.social-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 1.2rem;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.social-btn:hover {
  transform: translateY(-5px) rotate(8deg);
  color: #fff;
}

.social-btn.github:hover {
  background: #24292e;
  border-color: #24292e;
  box-shadow: 0 0 15px rgba(36, 41, 46, 0.5);
}

.social-btn.linkedin:hover {
  background: #0077b5;
  border-color: #0077b5;
  box-shadow: 0 0 15px rgba(0, 119, 181, 0.5);
}

/* Footer styling */
footer {
  border-top: 1px solid var(--border-glass);
  background: #04060b;
  color: var(--text-muted);
  padding: 2.5rem 0;
  text-align: center;
}

footer p {
  margin: 0;
  font-size: 0.9rem;
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

/* Revealed active states */
.reveal.revealed,
.reveal-slide-left.revealed,
.reveal-slide-right.revealed,
.reveal-scale.revealed {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }

/* Keyframe animations */
@keyframes rotateGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

@keyframes blink {
  50% { opacity: 0; }
}

/* Responsive fixes */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 50px;
    padding-right: 15px;
    text-align: left !important;
  }
  
  .timeline-item.left {
    left: 0;
  }
  
  .timeline-item::after {
    left: 12px;
    right: auto;
  }
  
  .timeline-item.right::after {
    left: 12px;
  }
}