/* ============================================================
   ADVANCED DESIGN SYSTEM – Futuristic Dark Portfolio
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&family=Outfit:wght@400;600;800&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Core Colors */
  --bg-primary:    #050508;
  --bg-secondary:  #0d0d14;
  --bg-tertiary:   #151520;
  
  /* Glassmorphism */
  --bg-glass-heavy: rgba(20, 20, 30, 0.85);
  --bg-glass:       rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);
  --bg-card:        rgba(15, 15, 25, 0.6);
  
  /* Text */
  --text-primary:   #f0f0f5;
  --text-secondary: #9a9ab5;
  --text-muted:     #62627a;

  /* Accents */
  --accent-1: #7c3aed; /* Purple */
  --accent-2: #06b6d4; /* Cyan */
  --accent-3: #f43f5e; /* Rose */
  --accent-4: #10b981; /* Emerald */
  
  /* Gradients */
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --accent-gradient-2: linear-gradient(135deg, var(--accent-2), var(--accent-4));
  --accent-gradient-3: linear-gradient(135deg, var(--accent-3), var(--accent-1));
  --bg-gradient: radial-gradient(circle at 50% 0%, var(--bg-secondary) 0%, var(--bg-primary) 100%);

  /* Borders & Shadows */
  --border-color:   rgba(255, 255, 255, 0.05);
  --border-light:   rgba(255, 255, 255, 0.1);
  --border-glow:    rgba(124, 58, 237, 0.4);
  --glow-shadow:    0 0 40px rgba(124, 58, 237, 0.15);
  --glow-shadow-lg: 0 0 80px rgba(6, 182, 212, 0.2);

  /* Typography */
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Outfit', sans-serif;

  /* Spacing */
  --section-padding: 150px 0;
  --container-width: 1280px;

  /* Transitions */
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-expo);
  --transition-med:  0.4s var(--ease-expo);
  --transition-slow: 0.8s var(--ease-expo);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  font-size: 16px;
  /* Custom Scrollbar for html */
  scrollbar-width: thin;
  scrollbar-color: var(--accent-1) var(--bg-primary);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Custom cursor removes default cursor */
  cursor: none; 
}

/* Custom Scrollbar Webkit */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-1);
}

::selection {
  background: rgba(124, 58, 237, 0.4);
  color: #fff;
}

a { color: inherit; text-decoration: none; cursor: none; }
button { cursor: none; font-family: var(--font-sans); }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- Custom Cursor ---------- */
.cursor-dot, .cursor-outline {
  position: fixed;
  top: 0; left: 0;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 9999;
  pointer-events: none;
}
.cursor-dot {
  width: 8px; height: 8px;
  background-color: var(--accent-2);
  transition: width 0.2s, height 0.2s, background-color 0.2s;
}
.cursor-outline {
  width: 40px; height: 40px;
  border: 2px solid rgba(6, 182, 212, 0.5);
  transition: width 0.2s, height 0.2s, border-color 0.2s;
  /* Smoothing managed in JS */
}
/* Hover states triggered via JS class on body/cursor */
body.hovering-link .cursor-dot {
  width: 12px; height: 12px;
  background-color: var(--accent-1);
}
body.hovering-link .cursor-outline {
  width: 60px; height: 60px;
  border-color: rgba(124, 58, 237, 0.5);
  background: rgba(124, 58, 237, 0.1);
}

/* ---------- Utility ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 5%;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent-2);
  margin-bottom: 20px;
  position: relative;
}
.section-label::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--accent-2);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  background: var(--text-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}
.section-title .highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.8;
  margin-bottom: 60px;
}

/* ---------- Animated BG & Particles ---------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100px 100px;
  background-position: 0 0, 50px 50px;
  opacity: 0.5;
}

.bg-glow {
  position: fixed;
  z-index: -2;
  border-radius: 50%;
  filter: blur(180px);
  pointer-events: none;
  opacity: 0.4;
  animation: breathe 10s ease-in-out infinite alternate;
}
.bg-glow--1 {
  width: 700px; height: 700px;
  background: var(--accent-1);
  top: -250px; left: -150px;
}
.bg-glow--2 {
  width: 600px; height: 600px;
  background: var(--accent-2);
  bottom: -200px; right: -100px;
  animation-delay: -5s;
}
.bg-glow--3 {
  width: 500px; height: 500px;
  background: var(--accent-3);
  top: 40%; left: 60%;
  transform: translate(-50%, -50%);
  opacity: 0.15;
  animation-duration: 15s;
}

/* JS Particles Container */
#particles-container {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 24px 0;
  transition: all var(--transition-med);
}
.navbar.scrolled {
  padding: 16px 0;
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 var(--border-color), 0 10px 30px rgba(0,0,0,0.5);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo i {
  color: var(--accent-2);
  font-size: 1.4rem;
}
.nav-logo span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  background: var(--bg-glass);
  padding: 10px 30px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 5px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: width var(--transition-med);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 4px;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}
.lang-toggle button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  transition: all var(--transition-fast);
  position: relative;
  z-index: 1;
}
.lang-toggle button.active {
  color: #fff;
  background: var(--accent-gradient);
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 10px;
}
.nav-hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-med);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: translateX(20px); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================================================
   HERO SECTION
   ============================================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 180px 0 100px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 50px;
  padding: 8px 24px;
  font-size: 0.85rem;
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-weight: 500;
  margin-bottom: 30px;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
  animation: fadeInUp 1s var(--ease-expo) both;
}
.hero-badge .pulse {
  width: 8px; height: 8px;
  background: var(--accent-2);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent-2);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  animation: fadeInUp 1s var(--ease-expo) 0.1s both;
}
.hero-name .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.hero-title-role {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--accent-1);
  font-weight: 500;
  margin-bottom: 40px;
  animation: fadeInUp 1s var(--ease-expo) 0.2s both;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.hero-title-role .cursor {
  display: inline-block;
  width: 3px;
  height: 1.2em;
  background: var(--accent-1);
  margin-left: 8px;
  vertical-align: middle;
  animation: blink 1s steps(1) infinite;
  box-shadow: 0 0 8px var(--accent-1);
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 50px;
  animation: fadeInUp 1s var(--ease-expo) 0.3s both;
}

.hero-actions {
  display: flex;
  gap: 20px;
  animation: fadeInUp 1s var(--ease-expo) 0.4s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 18px 40px;
  border-radius: var(--radius-xl);
  border: none;
  transition: all var(--transition-med);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-1));
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-med);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(124, 58, 237, 0.4);
}
.btn-primary svg, .btn-primary i {
  transition: transform var(--transition-fast);
}
.btn-primary:hover i {
  transform: translateX(6px) scale(1.1);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 18px 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  transition: all var(--transition-med);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  border-color: var(--accent-2);
  background: rgba(6, 182, 212, 0.05);
  transform: translateY(-4px);
}

/* 3D Decorative Floating Elements */
.hero-3d-elements {
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 100%;
  pointer-events: none;
  perspective: 1000px;
}
.shape-3d {
  position: absolute;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.shape-3d.s1 {
  width: 300px; height: 300px;
  border-radius: 40px;
  top: 15%; right: 5%;
  animation: float3D 12s ease-in-out infinite;
  background: linear-gradient(135deg, rgba(124,58,237,0.1), rgba(6,182,212,0.05));
  border-color: rgba(124,58,237,0.2);
}
.shape-3d.s2 {
  width: 150px; height: 150px;
  border-radius: 50%;
  top: 60%; right: 25%;
  animation: float3D 9s ease-in-out infinite reverse;
  background: linear-gradient(135deg, rgba(244,63,94,0.1), transparent);
  border-color: rgba(244,63,94,0.2);
}
.shape-3d.s3 {
  width: 100px; height: 100px;
  border-radius: 20px;
  top: 30%; right: 40%;
  animation: float3D 15s ease-in-out infinite 2s;
  transform: rotate(45deg);
}

@keyframes float3D {
  0%   { transform: translateY(0) rotateX(0) rotateY(0) rotateZ(0); }
  33%  { transform: translateY(-30px) rotateX(10deg) rotateY(15deg) rotateZ(5deg); }
  66%  { transform: translateY(15px) rotateX(-5deg) rotateY(-10deg) rotateZ(-5deg); }
  100% { transform: translateY(0) rotateX(0) rotateY(0) rotateZ(0); }
}

/* ============================================================
   ABOUT SECTION & STATS
   ============================================================ */
#about { padding: var(--section-padding); position: relative; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 1.1rem;
  line-height: 1.8;
}
.about-text p strong {
  color: var(--text-primary);
  font-weight: 600;
  background: rgba(124, 58, 237, 0.15);
  padding: 0 4px;
  border-radius: 4px;
}

.about-timeline {
  position: relative;
  padding-left: 32px;
  margin-top: 40px;
}
.about-timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-1), transparent);
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -38px; top: 4px;
  width: 14px; height: 14px;
  background: var(--bg-primary);
  border-radius: 50%;
  border: 3px solid var(--accent-1);
  box-shadow: 0 0 10px var(--accent-1);
}
.timeline-item .year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-2);
  font-weight: 600;
  background: rgba(6, 182, 212, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.timeline-item .title {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
}
.timeline-item .desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* About Visuals / Stats */
.about-visuals {
  position: relative;
}
.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-1), transparent, var(--accent-2));
  margin-bottom: 40px;
}
.about-image-inner {
  background: var(--bg-tertiary);
  border-radius: calc(var(--radius-lg) - 1px);
  padding: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-image-inner i {
  font-size: 6rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.8;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.stat-box {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: left;
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}
.stat-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
  opacity: 0; transition: opacity var(--transition-med);
}
.stat-box:hover {
  transform: translateY(-5px);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.stat-box:hover::before { opacity: 1; }

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
}
.stat-number .plus { color: var(--accent-1); font-size: 2rem; margin-left: 2px; }
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================================
   SERVICES / WHAT I DO SECTION
   ============================================================ */
#services {
  padding: var(--section-padding);
  background: rgba(10, 10, 15, 0.5);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  transition: all var(--transition-med);
  z-index: 1;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 2px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-med);
  z-index: -1;
}
.service-card:hover {
  transform: translateY(-10px);
  background: var(--bg-tertiary);
  box-shadow: var(--glow-shadow);
}
.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 70px; height: 70px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--accent-1);
  margin-bottom: 24px;
  transition: all var(--transition-med);
}
.service-card:hover .service-icon {
  background: var(--accent-gradient);
  color: #fff;
  transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
#projects { padding: var(--section-padding); }

/* Card 3D Tilt Wrapper */
.tilt-wrapper {
  perspective: 1000px;
  transform-style: preserve-3d;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 50px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  transform-style: preserve-3d;
  transition: transform 0.1s ease, box-shadow 0.1s ease; /* JS updates transform */
  will-change: transform;
}
/* Inner 3d effect */
.project-card-inner {
  transform: translateZ(30px);
}

.project-card.featured {
  margin-bottom: 40px;
  background: linear-gradient(145deg, rgba(15,15,25,0.8), rgba(20,20,30,0.6));
  border: 1px solid rgba(124, 58, 237, 0.3);
}
.project-card.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(circle at top right, rgba(124,58,237,0.15), transparent 50%);
  pointer-events: none;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124, 58, 237, 0.15);
  color: var(--accent-1);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.project-card h3 span.subtitle {
  font-weight: 400; font-size: 1.2rem; color: var(--text-muted);
}

.project-card p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 30px;
  max-width: 800px;
}

.project-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}
.project-feature {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-primary);
}
.project-feature i { color: var(--accent-2); }

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.project-tech {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 16px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-2);
  border-radius: 8px;
  font-weight: 600;
}

.projects-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.projects-grid-2 .project-card { padding: 40px; }
.projects-grid-2 .project-card h3 { font-size: 1.5rem; }

/* ============================================================
   R&D / ONGOING SECTION
   ============================================================ */
#ongoing { padding: var(--section-padding); background: rgba(5, 5, 8, 0.6); }

.ongoing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.ongoing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  position: relative;
  transition: all var(--transition-med);
}
.ongoing-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--accent-gradient-2);
  opacity: 0;
  transition: opacity var(--transition-med);
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}
.ongoing-card:hover {
  transform: translateY(-8px);
  background: var(--bg-tertiary);
  border-color: rgba(6, 182, 212, 0.3);
}
.ongoing-card:hover::before { opacity: 1; }

.ongoing-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
}

.ongoing-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.ongoing-card .team-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-2);
  margin-bottom: 16px;
  font-weight: 600;
}
.ongoing-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.ongoing-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  width: 100%;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent-4);
}
.ongoing-status i { font-size: 0.6rem; animation: pulse 2s infinite; }

/* ============================================================
   SKILLS & CERTIFICATIONS
   ============================================================ */
#skills { padding: var(--section-padding); }

.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.skills-bars {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.skill-bar-container { width: 100%; }
.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.skill-track {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  width: 0; /* Animated via JS */
  transition: width 1.5s var(--ease-expo);
}

.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.cert-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition-fast);
}
.cert-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--accent-1);
  transform: translateX(5px);
}
.cert-icon {
  width: 48px; height: 48px; min-width: 48px;
  border-radius: 12px;
  background: rgba(124,58,237,0.1);
  color: var(--accent-1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.cert-info h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.cert-info p { font-size: 0.8rem; color: var(--text-secondary); }

/* ============================================================
   BLOG SECTION & MODALS
   ============================================================ */
#blog { padding: var(--section-padding); background: rgba(5, 5, 8, 0.4); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-med);
  cursor: none; /* using custom cursor */
}
.blog-card:hover {
  transform: translateY(-10px);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: var(--glow-shadow);
}

.blog-img-placeholder {
  width: 100%;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  background: linear-gradient(135deg, rgba(124,58,237,0.1), rgba(6,182,212,0.1));
  border-bottom: 1px solid var(--border-color);
  transition: transform var(--transition-slow);
}
.blog-card:hover .blog-img-placeholder {
  transform: scale(1.05);
}

.blog-card-body {
  padding: 30px;
  position: relative;
  background: var(--bg-card); /* Cover scaled image overflow */
}

.blog-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 12px;
  display: inline-block;
  background: rgba(6, 182, 212, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.blog-card-body h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}
.blog-card-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-1);
  transition: gap var(--transition-fast);
  background: none;
  border: none;
  padding: 0;
  cursor: none;
}
.blog-card:hover .blog-read-more { gap: 14px; }

/* Modal Styling */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(40px) scale(0.95);
  transition: all var(--transition-med);
  box-shadow: 0 30px 60px rgba(0,0,0,0.8);
  /* Custom scrollbar for modal */
  scrollbar-width: thin;
  scrollbar-color: var(--accent-1) var(--bg-tertiary);
}
.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-content::-webkit-scrollbar { width: 8px; }
.modal-content::-webkit-scrollbar-track { background: var(--bg-tertiary); border-radius: var(--radius-lg); }
.modal-content::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 8px; }

.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  color: #fff;
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10;
}
.modal-close:hover {
  background: var(--accent-3);
  border-color: var(--accent-3);
  transform: rotate(90deg);
}

.modal-header {
  padding: 40px 40px 20px;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(135deg, rgba(124,58,237,0.05), transparent);
}
.modal-header .blog-tag { margin-bottom: 16px; }
.modal-header h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.3;
}
.modal-body {
  padding: 40px;
}
.modal-body p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.modal-body h4 {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin: 30px 0 15px;
}
.modal-body ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.modal-body li { margin-bottom: 10px; }

body.modal-open { overflow: hidden; } /* Prevent background scrolling */

/* ============================================================
   CONTACT SECTION
   ============================================================ */
#contact { padding: var(--section-padding); position: relative; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 60px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.contact-link:hover {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.3);
  transform: translateX(10px);
}
.contact-link .icon-wrap {
  width: 50px; height: 50px;
  background: var(--bg-tertiary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-1);
  font-size: 1.2rem;
}
.contact-link-text .link-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.contact-link-text .link-value {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.form-group { position: relative; }
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: #fff;
  transition: all var(--transition-fast);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  background: rgba(124, 58, 237, 0.05);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 160px;
}
.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 20px 40px;
  border-radius: var(--radius-xl);
  border: none;
  transition: all var(--transition-med);
  align-self: flex-start;
  box-shadow: 0 10px 20px rgba(124, 58, 237, 0.2);
}
.form-submit:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(124, 58, 237, 0.4);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 50px 0;
  text-align: center;
  background: var(--bg-secondary);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 20px;
}
.footer-logo span { color: var(--accent-1); }
.footer p {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.footer .heart { color: var(--accent-3); animation: pulse 1.5s infinite; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.3); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* Scroll Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s var(--ease-expo), transform 1s var(--ease-expo);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left { transform: translateX(-50px); }
.reveal-left.visible { transform: translateX(0); }
.reveal-right { transform: translateX(50px); }
.reveal-right.visible { transform: translateX(0); }

/* Staggering reveals */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 1200px) {
  .contact-layout { grid-template-columns: 1fr; }
  .skills-layout { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-visuals { order: -1; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid-2 { grid-template-columns: 1fr; }
  .ongoing-cards { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-padding: 100px 0; }
  
  /* Disable custom cursor on mobile */
  body, a, button { cursor: auto; }
  .cursor-dot, .cursor-outline { display: none; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 80px; left: 5%; right: 5%;
    background: rgba(13, 13, 20, 0.98);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 30px;
    gap: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  }
  .nav-hamburger { display: flex; }
  
  .hero-shapes { display: none; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn-primary, .btn-secondary { width: 100%; }

  .services-grid { grid-template-columns: 1fr; }
  .ongoing-cards { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  
  .project-card, .contact-layout { padding: 30px; }
  .modal-content { width: 95%; padding: 0; }
  .modal-header, .modal-body { padding: 20px; }
}