/* ================================================================
   3D PORTFOLIO CSS — Md Abdullah Ali
   Full 3D Immersive Experience with Three.js + CSS 3D Transforms
================================================================ */

:root {
  --bg-primary: #050510;
  --bg-secondary: #0a0a1f;
  --bg-card: rgba(255,255,255,0.03);
  --bg-glass: rgba(255,255,255,0.04);
  --bg-glass-hover: rgba(255,255,255,0.09);
  --text-primary: #e8e8ff;
  --text-secondary: #8888bb;
  --text-muted: #44445a;
  --accent-1: #7c5cfc;
  --accent-2: #00f5d4;
  --accent-3: #ff6bcb;
  --accent-4: #ffd700;
  --accent-gradient: linear-gradient(135deg, #7c5cfc 0%, #00f5d4 50%, #ff6bcb 100%);
  --neon-purple: 0 0 20px rgba(124,92,252,0.6), 0 0 60px rgba(124,92,252,0.3);
  --neon-teal: 0 0 20px rgba(0,245,212,0.6), 0 0 60px rgba(0,245,212,0.3);
  --neon-pink: 0 0 20px rgba(255,107,203,0.6), 0 0 60px rgba(255,107,203,0.3);
  --border-color: rgba(255,255,255,0.07);
  --border-glow: rgba(124,92,252,0.4);
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --section-padding: 120px 0;
  --container-max: 1200px;
  --transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-smooth: 0.4s cubic-bezier(0.4,0,0.2,1);
  --transition-spring: 0.6s cubic-bezier(0.34,1.56,0.64,1);
  --perspective: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-1) var(--bg-secondary);
}
html::-webkit-scrollbar { width: 6px; }
html::-webkit-scrollbar-track { background: var(--bg-secondary); }
html::-webkit-scrollbar-thumb { background: linear-gradient(var(--accent-1), var(--accent-2)); border-radius: 3px; }

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-padding); position: relative; }

/* ==================== THREE.JS CANVAS ==================== */
#bg-canvas {
  position: fixed; top:0; left:0;
  width:100%; height:100%;
  z-index: 0;
  pointer-events: none;
}

/* ==================== CURSOR 3D GLOW ==================== */
.cursor-glow {
  position: fixed;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,92,252,0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%,-50%);
  transition: opacity 0.3s;
  will-change: transform;
}

/* ==================== GRADIENT TEXT ==================== */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==================== 3D GLASS CARD ==================== */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  transition: all var(--transition-smooth);
  transform-style: preserve-3d;
  will-change: transform;
}
.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glow);
  box-shadow: var(--neon-purple);
  transform: translateY(-8px) rotateX(5deg);
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: 14px;
  font-family: var(--font-primary); font-weight: 600;
  font-size: 0.95rem; letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative; overflow: hidden;
  border: none; z-index: 1;
  transform-style: preserve-3d;
}
.btn::before {
  content: '';
  position: absolute; top:0; left:-100%; width:100%; height:100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  z-index: -1; transition: left 0.5s;
}
.btn:hover::before { left: 100%; }
.btn-primary {
  background: linear-gradient(135deg, #7c5cfc, #a29bfe);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,92,252,0.4);
}
.btn-primary:hover {
  transform: translateY(-4px) translateZ(10px);
  box-shadow: var(--neon-purple);
}
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 2px solid var(--border-color);
}
.btn-outline:hover {
  border-color: var(--accent-1); color: var(--accent-1);
  transform: translateY(-4px) translateZ(10px);
  box-shadow: var(--neon-purple);
}
.btn-lg { padding: 18px 42px; font-size: 1.05rem; }

/* ==================== SECTION HEADERS ==================== */
.section-header { text-align: center; margin-bottom: 80px; }
.section-tag {
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--accent-2); display: inline-block;
  margin-bottom: 16px; padding: 6px 18px;
  background: rgba(0,245,212,0.08);
  border-radius: 20px; border: 1px solid rgba(0,245,212,0.25);
  box-shadow: 0 0 15px rgba(0,245,212,0.15);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem,5vw,3.5rem);
  font-weight: 700; margin-bottom: 16px; line-height: 1.2;
}
.section-subtitle {
  color: var(--text-secondary); font-size: 1.1rem;
  max-width: 600px; margin: 0 auto; line-height: 1.8;
}

/* ==================== NAVBAR ==================== */
.navbar {
  position: fixed; top:0; left:0;
  width:100%; z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-smooth);
}
.navbar.scrolled {
  padding: 12px 0;
  background: rgba(5,5,16,0.85);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 30px rgba(124,92,252,0.1);
}
.nav-container {
  max-width: var(--container-max); margin:0 auto;
  padding: 0 24px; display: flex;
  align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display); font-size: 1.6rem;
  font-weight: 700; color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: all var(--transition-fast);
}
.nav-logo:hover { text-shadow: var(--neon-purple); }
.logo-bracket { color: var(--accent-1); }
.nav-menu { display: flex; gap: 8px; }
.nav-link {
  padding: 10px 20px; font-size: 0.9rem;
  font-weight: 500; color: var(--text-secondary);
  border-radius: 10px; transition: all var(--transition-fast);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary); background: var(--bg-glass);
  box-shadow: 0 0 20px rgba(124,92,252,0.2);
}
.nav-link.active::after {
  content: '';
  position: absolute; bottom:4px; left:50%;
  transform: translateX(-50%);
  width:20px; height:3px;
  background: var(--accent-gradient);
  border-radius: 3px;
  box-shadow: var(--neon-purple);
}
.nav-toggle {
  display: none; flex-direction: column;
  gap: 6px; background: none; border: none;
  cursor: pointer; padding: 8px; z-index: 1001;
}
.nav-toggle span {
  width:28px; height:2px;
  background: var(--text-primary); border-radius: 2px;
  transition: all var(--transition-fast);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px,6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px,-6px); }

/* ==================== HERO SECTION ==================== */
.hero-section {
  min-height: 100vh; display: flex;
  align-items: center; position: relative;
  overflow: hidden; padding-top: 80px;
  perspective: var(--perspective);
}
.hero-container {
  max-width: var(--container-max); margin:0 auto;
  padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  position: relative; z-index: 2;
}
.hero-badge {
  display: inline-flex; align-items: center;
  gap: 10px; padding: 8px 20px;
  background: rgba(0,245,212,0.08);
  border: 1px solid rgba(0,245,212,0.25);
  border-radius: 30px; font-size: 0.85rem;
  color: var(--accent-2); margin-bottom: 30px;
  animation: pulse-badge 3s ease-in-out infinite;
  box-shadow: 0 0 20px rgba(0,245,212,0.1);
}
.badge-dot {
  width:8px; height:8px;
  background: var(--accent-2); border-radius: 50%;
  animation: badge-dot-pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent-2);
}
@keyframes badge-dot-pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.5; transform:scale(1.4); }
}
@keyframes pulse-badge {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,245,212,0.3); }
  50% { box-shadow: 0 0 0 12px rgba(0,245,212,0); }
}
.hero-greeting {
  display: block; font-family: var(--font-mono);
  font-size: clamp(1rem,2vw,1.2rem);
  color: var(--text-secondary); font-weight: 400; margin-bottom: 8px;
}
.hero-title { margin-bottom: 20px; }
.hero-name {
  display: block; font-family: var(--font-display);
  font-size: clamp(2.5rem,5.5vw,4.8rem);
  font-weight: 800; line-height: 1.05;
  background: linear-gradient(135deg, #fff 0%, #c8b5ff 40%, #7c5cfc 70%, #00f5d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease-in-out infinite alternate;
  background-size: 200% 200%;
  filter: drop-shadow(0 0 20px rgba(124,92,252,0.5));
}
@keyframes gradient-shift {
  0% { background-position:0% 50%; }
  100% { background-position:100% 50%; }
}
.hero-role-wrapper {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
  font-size: clamp(1.3rem,3vw,1.8rem); font-weight: 600;
}
.hero-role-prefix { color: var(--text-secondary); }
.hero-role { color: var(--accent-2); font-family: var(--font-display); }
.typing-cursor {
  color: var(--accent-1); animation: blink 0.7s step-end infinite; font-weight: 300;
  text-shadow: var(--neon-purple);
}
@keyframes blink { 50% { opacity:0; } }
.hero-subtitle {
  font-size: clamp(1.1rem,2vw,1.3rem); color: var(--accent-4);
  font-weight: 500; margin-bottom: 20px; opacity: 0.9;
  text-shadow: 0 0 15px rgba(255,215,0,0.4);
}
.hero-description {
  color: var(--text-secondary); font-size: 1.05rem;
  margin-bottom: 36px; max-width: 500px; line-height: 1.9;
}
.hero-cta { display:flex; gap:16px; margin-bottom:50px; flex-wrap:wrap; }
.hero-stats { display:flex; align-items:center; gap:30px; }
.hero-stat { text-align:center; }
.stat-number {
  font-family: var(--font-display); font-size: 2.2rem;
  font-weight: 700; color: var(--text-primary); display: inline;
}
.stat-plus {
  font-family: var(--font-display); font-size: 1.6rem;
  font-weight: 700; color: var(--accent-1);
  text-shadow: var(--neon-purple);
}
.stat-label {
  display:block; color: var(--text-muted); font-size: 0.82rem;
  text-transform:uppercase; letter-spacing:0.1em; margin-top:4px;
}
.hero-stat-divider { width:1px; height:40px; background: var(--border-color); }

/* Hero Image 3D */
.hero-image { position:relative; display:flex; justify-content:center; align-items:center; perspective: 800px; }
.hero-image-wrapper {
  position:relative; width:400px; height:400px;
  border-radius: 50%; overflow:hidden;
  transform-style: preserve-3d;
  animation: hero-3d-float 6s ease-in-out infinite;
}
@keyframes hero-3d-float {
  0%,100% { transform: rotateY(-8deg) rotateX(5deg) translateY(0); }
  50% { transform: rotateY(8deg) rotateX(-5deg) translateY(-20px); }
}
.hero-image-wrapper img {
  width:100%; height:100%;
  object-fit:cover; object-position:top center;
  filter: brightness(1.05) contrast(1.05);
}
.hero-image-glow {
  position:absolute; inset:-20px; border-radius:50%;
  background: conic-gradient(from 0deg, #7c5cfc, #00f5d4, #ff6bcb, #7c5cfc);
  opacity: 0.5; animation: rotate-glow 6s linear infinite;
  z-index:-1; filter:blur(25px);
}
@keyframes rotate-glow { 100% { transform:rotate(360deg); } }
.hero-image-ring {
  position:absolute; inset:-15px; border-radius:50%;
  border: 2px dashed rgba(124,92,252,0.3);
  animation: rotate-ring 15s linear infinite;
  box-shadow: 0 0 20px rgba(124,92,252,0.2);
}
.hero-image-ring-2 {
  inset:-35px; border-color:rgba(0,245,212,0.2);
  animation-direction:reverse; animation-duration:25s;
  box-shadow: 0 0 20px rgba(0,245,212,0.15);
}
@keyframes rotate-ring { 100% { transform:rotate(360deg); } }

/* Floating Cards 3D */
.floating-card {
  position:absolute; display:flex; align-items:center;
  gap:10px; padding:12px 20px;
  background: rgba(124,92,252,0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(124,92,252,0.3);
  border-radius: 14px; font-size:0.85rem;
  font-weight:500; color:var(--text-primary);
  animation: float3d 6s ease-in-out infinite; z-index:2;
  transform-style: preserve-3d;
}
.floating-card i { font-size:1.2rem; }
.card-1 { top:10%; right:-10%; animation-delay:0s; box-shadow: var(--neon-purple); }
.card-1 i { color:#61dafb; text-shadow: 0 0 15px #61dafb; }
.card-2 { bottom:20%; left:-5%; animation-delay:-2s; box-shadow: 0 0 20px rgba(255,215,0,0.4); border-color:rgba(255,215,0,0.3); }
.card-2 i { color:#ffd43b; text-shadow: 0 0 15px #ffd43b; }
.card-3 { bottom:5%; right:5%; animation-delay:-4s; box-shadow: var(--neon-teal); border-color:rgba(0,245,212,0.3); }
.card-3 i { color:#00f5d4; text-shadow: 0 0 15px #00f5d4; }
@keyframes float3d {
  0%,100% { transform: translateY(0) rotateX(0) rotateY(0); }
  33% { transform: translateY(-12px) rotateX(10deg) rotateY(5deg); }
  66% { transform: translateY(-6px) rotateX(-5deg) rotateY(-10deg); }
}
.scroll-indicator {
  position:absolute; bottom:40px; left:50%;
  transform:translateX(-50%); display:flex;
  flex-direction:column; align-items:center; gap:10px; z-index:1;
}
.scroll-indicator span {
  font-size:0.75rem; letter-spacing:0.15em;
  text-transform:uppercase; color:var(--text-muted);
}
.scroll-arrow {
  width:24px; height:40px;
  border: 2px solid rgba(124,92,252,0.3);
  border-radius: 12px; position:relative;
  box-shadow: var(--neon-purple);
}
.scroll-arrow::after {
  content:''; position:absolute;
  top:8px; left:50%; transform:translateX(-50%);
  width:4px; height:10px;
  background: var(--accent-1); border-radius:4px;
  animation: scroll-bounce 2s ease-in-out infinite;
  box-shadow: var(--neon-purple);
}
@keyframes scroll-bounce {
  0%,100% { transform:translateX(-50%) translateY(0); opacity:1; }
  50% { transform:translateX(-50%) translateY(12px); opacity:0.3; }
}

/* ==================== ABOUT SECTION 3D ==================== */
.about-section {
  background: var(--bg-secondary);
  position:relative; perspective: var(--perspective);
}
.about-section::before {
  content:''; position:absolute; top:0; left:0; right:0; height:1px;
  background: linear-gradient(90deg, transparent, var(--accent-1), var(--accent-2), transparent);
  opacity:0.5;
}
.about-grid {
  display:grid; grid-template-columns:1fr 1.5fr;
  gap:60px; align-items:start;
}
.about-image-col { perspective: 600px; }
.about-image-card {
  position:relative; border-radius:24px; overflow:hidden;
  background: var(--bg-glass); border: 1px solid var(--border-color);
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.6s;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.about-image-card:hover {
  transform: rotateY(-15deg) rotateX(5deg) translateZ(30px);
  box-shadow: 20px 20px 60px rgba(0,0,0,0.5), var(--neon-purple);
}
.about-photo {
  width:100%; aspect-ratio:3/4; object-fit:cover;
  filter: brightness(0.95) contrast(1.05);
  transition: transform var(--transition-smooth);
}
.about-image-card:hover .about-photo { transform:scale(1.04); }
.about-image-overlay {
  position:absolute; inset:0;
  background: linear-gradient(to top, rgba(5,5,16,0.95) 0%, transparent 50%);
}
.about-info-badge {
  position:absolute; bottom:0; left:0; right:0;
  padding:24px; display:flex; flex-direction:column; gap:12px;
}
.info-item {
  display:flex; justify-content:space-between; align-items:center;
  padding:8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.info-item:last-child { border-bottom:none; }
.info-label { font-size:0.78rem; text-transform:uppercase; letter-spacing:0.12em; color:var(--text-muted); }
.info-value { font-size:0.9rem; font-weight:500; color:var(--text-primary); }
.info-value.highlight { color:var(--accent-2); font-weight:600; text-shadow: 0 0 10px rgba(0,245,212,0.5); }
.about-description {
  font-size:1.05rem; color:var(--text-secondary);
  line-height:1.9; margin-bottom:30px;
}
.about-details-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:16px; margin-bottom:30px;
}
.detail-item {
  padding:14px; background:var(--bg-glass);
  border: 1px solid var(--border-color); border-radius:12px;
  transition: all var(--transition-smooth);
  transform-style: preserve-3d;
}
.detail-item:hover {
  background:var(--bg-glass-hover);
  border-color:var(--border-glow);
  transform: translateY(-4px) translateZ(10px);
  box-shadow: 0 10px 30px rgba(124,92,252,0.2);
}
.detail-label {
  font-size:0.75rem; text-transform:uppercase;
  letter-spacing:0.1em; color:var(--accent-1);
  margin-bottom:6px; display:block;
}
.detail-value { font-size:0.88rem; color:var(--text-secondary); }
.about-cta { display:flex; align-items:center; gap:24px; margin-bottom:30px; }
.projects-count { text-align:center; }
.count-number {
  font-family:var(--font-display); font-size:2.5rem;
  font-weight:700; color:var(--accent-1);
  text-shadow: var(--neon-purple);
}
.count-plus { font-size:1.8rem; font-weight:700; color:var(--accent-1); }
.count-label { display:block; font-size:0.8rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.08em; }

/* ==================== SKILLS 3D ==================== */
.skills-container { margin-top:30px; }
.skills-title {
  font-family:var(--font-display); font-size:1.3rem;
  font-weight:600; margin-bottom:20px; color:var(--text-primary);
}
.skills-grid { display:flex; flex-direction:column; gap:18px; }
.skill-item { position:relative; }
.skill-header { display:flex; justify-content:space-between; margin-bottom:8px; }
.skill-name { font-size:0.9rem; font-weight:500; color:var(--text-primary); }
.skill-percent { font-size:0.85rem; color:var(--accent-1); font-family:var(--font-mono); }
.skill-bar {
  height:6px; background:rgba(255,255,255,0.05);
  border-radius:3px; overflow:hidden;
}
.skill-progress {
  height:100%; width:0; border-radius:3px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  transition: width 1.5s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 10px rgba(124,92,252,0.5);
  position:relative;
}
.skill-progress::after {
  content:''; position:absolute; right:0; top:50%;
  transform:translateY(-50%);
  width:12px; height:12px; border-radius:50%;
  background:var(--accent-2);
  box-shadow: var(--neon-teal);
}

/* ==================== RESUME 3D TIMELINE ==================== */
.resume-section { background:var(--bg-primary); perspective:var(--perspective); }
.resume-block { margin-bottom:60px; }
.resume-block-header {
  display:flex; align-items:center; gap:16px; margin-bottom:30px;
}
.resume-icon {
  width:50px; height:50px; border-radius:14px;
  background:linear-gradient(135deg, var(--accent-1), var(--accent-2));
  display:flex; align-items:center; justify-content:center;
  font-size:1.2rem; color:#fff;
  box-shadow: var(--neon-purple);
  transition: transform var(--transition-spring);
}
.resume-icon:hover { transform: rotateY(180deg); }
.resume-block-header h3 {
  font-family:var(--font-display); font-size:1.8rem;
  font-weight:700; color:var(--text-primary);
}
.timeline { position:relative; padding-left:30px; }
.timeline::before {
  content:''; position:absolute; left:0; top:0; bottom:0; width:2px;
  background: linear-gradient(180deg, var(--accent-1), var(--accent-2), var(--accent-3));
  box-shadow: 0 0 15px rgba(124,92,252,0.4);
}
.timeline-item { position:relative; margin-bottom:30px; }
.timeline-dot {
  position:absolute; left:-38px; top:24px;
  width:16px; height:16px; border-radius:50%;
  background:var(--accent-1); border:3px solid var(--bg-primary);
  box-shadow: var(--neon-purple);
  transition: transform var(--transition-spring);
}
.timeline-item:hover .timeline-dot {
  transform:scale(1.5);
  background:var(--accent-2);
  box-shadow: var(--neon-teal);
}
.timeline-content {
  padding:28px 30px;
  transform-style:preserve-3d;
  transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.5s;
}
.timeline-content:hover {
  transform: translateX(10px) translateZ(20px) rotateY(-3deg);
  box-shadow: -5px 10px 40px rgba(124,92,252,0.25), var(--neon-purple);
}
.timeline-date {
  font-family:var(--font-mono); font-size:0.8rem;
  color:var(--accent-2); text-transform:uppercase;
  letter-spacing:0.1em; margin-bottom:8px; display:block;
  text-shadow: 0 0 10px rgba(0,245,212,0.4);
}
.timeline-title {
  font-family:var(--font-display); font-size:1.2rem;
  font-weight:700; color:var(--text-primary); margin-bottom:8px;
}
.timeline-company {
  font-size:0.9rem; color:var(--text-secondary);
  display:flex; align-items:center; gap:8px; margin-bottom:12px;
}
.timeline-company i { color:var(--accent-1); }
.timeline-desc { color:var(--text-secondary); font-size:0.92rem; margin-bottom:12px; line-height:1.7; }
.timeline-list { display:flex; flex-direction:column; gap:8px; }
.timeline-list li {
  color:var(--text-secondary); font-size:0.9rem;
  padding-left:20px; position:relative; line-height:1.6;
}
.timeline-list li::before {
  content:'▹'; position:absolute; left:0;
  color:var(--accent-1);
  text-shadow: var(--neon-purple);
}
.resume-download { text-align:center; margin-top:40px; }

/* ==================== PROJECTS 3D ==================== */
.projects-section { background:var(--bg-secondary); perspective:var(--perspective); }
.projects-grid {
  display:grid; grid-template-columns:repeat(auto-fill, minmax(350px,1fr));
  gap:30px;
}
.project-card {
  border-radius:20px; overflow:hidden;
  background:var(--bg-glass);
  border:1px solid var(--border-color);
  transition: all 0.5s cubic-bezier(0.34,1.56,0.64,1);
  transform-style: preserve-3d;
  position:relative;
}
.project-card:hover {
  transform: translateY(-16px) rotateX(8deg) rotateY(-5deg) scale(1.02);
  border-color:var(--border-glow);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5), var(--neon-purple);
}
.project-image { position:relative; overflow:hidden; aspect-ratio:16/10; }
.project-image img {
  width:100%; height:100%; object-fit:cover;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
  filter:brightness(0.85) saturate(1.1);
}
.project-card:hover .project-image img { transform:scale(1.1); }
.project-overlay {
  position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(124,92,252,0.85), rgba(0,245,212,0.85));
  display:flex; align-items:center; justify-content:center;
  opacity:0; transition: opacity var(--transition-smooth);
}
.project-card:hover .project-overlay { opacity:1; }
.project-link {
  width:55px; height:55px; border-radius:50%;
  background:rgba(255,255,255,0.2);
  border:2px solid rgba(255,255,255,0.5);
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:1.2rem;
  backdrop-filter:blur(10px);
  transition: all var(--transition-spring);
  transform: translateY(20px);
}
.project-card:hover .project-link { transform:translateY(0) scale(1.1); }
.project-link:hover { background:rgba(255,255,255,0.4); transform:scale(1.2) !important; }
.project-tech-badge {
  position:absolute; top:14px; right:14px;
  padding:5px 14px; border-radius:20px;
  background:rgba(124,92,252,0.85); color:#fff;
  font-size:0.75rem; font-weight:600;
  backdrop-filter:blur(10px);
  box-shadow: var(--neon-purple);
}
.project-info { padding:24px; }
.project-info h3 { font-family:var(--font-display); font-size:1.05rem; font-weight:700; margin-bottom:10px; }
.project-info h3 a { color:var(--text-primary); transition:color var(--transition-fast); }
.project-info h3 a:hover { color:var(--accent-2); text-shadow: 0 0 10px rgba(0,245,212,0.4); }
.project-info p { color:var(--text-secondary); font-size:0.9rem; line-height:1.7; }
.github-cta { margin-top:50px; }
.github-cta-content {
  display:flex; align-items:center; justify-content:space-between;
  padding:35px 44px;
  background: linear-gradient(135deg, rgba(124,92,252,0.1), rgba(0,245,212,0.05));
  border-color:rgba(124,92,252,0.3);
  transition: all var(--transition-smooth);
  transform-style:preserve-3d;
}
.github-cta-content:hover {
  transform:translateY(-6px) translateZ(15px);
  box-shadow: var(--neon-purple);
}
.github-cta-text h3 { font-family:var(--font-display); font-size:1.5rem; font-weight:700; }
.github-cta-text p { color:var(--text-secondary); margin-top:6px; }

/* ==================== COUNTER SECTION 3D ==================== */
.counter-section {
  background:var(--bg-primary); padding:80px 0;
  position:relative; overflow:hidden;
}
.counter-section::before {
  content:''; position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(124,92,252,0.05), rgba(0,245,212,0.05));
  pointer-events:none;
}
.counter-grid {
  display:grid; grid-template-columns:repeat(4,1fr); gap:30px;
}
.counter-item {
  text-align:center; padding:40px 24px;
  background:var(--bg-glass); border: 1px solid var(--border-color);
  border-radius:20px;
  transition: all 0.5s cubic-bezier(0.34,1.56,0.64,1);
  transform-style:preserve-3d;
}
.counter-item:hover {
  transform:translateY(-12px) translateZ(20px) rotateX(10deg);
  border-color:var(--border-glow);
  box-shadow: var(--neon-purple);
  background:var(--bg-glass-hover);
}
.counter-icon {
  width:60px; height:60px; margin:0 auto 20px;
  border-radius:16px;
  background:linear-gradient(135deg, rgba(124,92,252,0.2), rgba(0,245,212,0.2));
  border:1px solid rgba(124,92,252,0.3);
  display:flex; align-items:center; justify-content:center;
  font-size:1.5rem; color:var(--accent-1);
  text-shadow: var(--neon-purple);
  transition:transform var(--transition-spring);
}
.counter-item:hover .counter-icon {
  transform: rotateY(360deg);
  background:linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color:#fff;
}
.counter-number {
  font-family:var(--font-display); font-size:3rem;
  font-weight:700; color:var(--text-primary);
  display:block; margin-bottom:8px;
  text-shadow: var(--neon-purple);
}
.counter-label {
  font-size:0.85rem; color:var(--text-secondary);
  text-transform:uppercase; letter-spacing:0.1em;
}

/* ==================== CONTACT SECTION 3D ==================== */
.contact-section { background:var(--bg-secondary); perspective:var(--perspective); }
.contact-grid {
  display:grid; grid-template-columns:repeat(2,1fr); gap:24px; margin-bottom:40px;
}
.contact-card {
  padding:35px; text-align:center;
  transition: all 0.5s cubic-bezier(0.34,1.56,0.64,1);
  transform-style:preserve-3d;
}
.contact-card:hover {
  transform: translateY(-10px) rotateX(10deg) rotateY(5deg) translateZ(20px);
  box-shadow: var(--neon-purple);
  border-color:var(--border-glow);
}
.contact-card-icon {
  width:65px; height:65px; margin:0 auto 20px;
  border-radius:18px;
  background:linear-gradient(135deg, var(--accent-1), var(--accent-2));
  display:flex; align-items:center; justify-content:center;
  font-size:1.5rem; color:#fff;
  box-shadow: var(--neon-purple);
  transition: transform var(--transition-spring);
}
.contact-card:hover .contact-card-icon {
  transform: rotateY(360deg) scale(1.1);
  box-shadow: var(--neon-teal);
}
.contact-card h3 {
  font-family:var(--font-display); font-size:1.1rem;
  font-weight:700; margin-bottom:10px; color:var(--text-primary);
}
.contact-card p { color:var(--text-secondary); font-size:0.95rem; }
.contact-card p a { color:var(--accent-2); transition:color var(--transition-fast); }
.contact-card p a:hover { color:var(--accent-3); text-shadow: var(--neon-pink); }
.contact-question { margin-bottom:40px; }
.question-card {
  padding:40px; text-align:center;
  background:linear-gradient(135deg, rgba(124,92,252,0.08), rgba(0,245,212,0.05));
  border-color:rgba(124,92,252,0.3);
  transition: all var(--transition-smooth);
  transform-style:preserve-3d;
}
.question-card:hover {
  transform: translateY(-6px) translateZ(15px);
  box-shadow: var(--neon-purple);
}
.question-card h3 { font-family:var(--font-display); font-size:1.8rem; font-weight:700; margin-bottom:20px; }
.social-links { text-align:center; }
.social-label {
  display:block; color:var(--text-muted); font-size:0.8rem;
  text-transform:uppercase; letter-spacing:0.1em; margin-bottom:20px;
}
.social-icons { display:flex; justify-content:center; gap:16px; flex-wrap:wrap; }
.social-icon {
  width:50px; height:50px; border-radius:14px;
  background:var(--bg-glass); border:1px solid var(--border-color);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; color:var(--text-secondary);
  transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
  transform-style:preserve-3d;
}
.social-icon:hover {
  background:var(--accent-1); color:#fff; border-color:var(--accent-1);
  transform: translateY(-8px) rotateZ(10deg) scale(1.15);
  box-shadow: var(--neon-purple);
}

/* ==================== FOOTER ==================== */
.footer {
  background:var(--bg-primary); padding:30px 0;
  border-top:1px solid var(--border-color);
  text-align:center;
}
.footer-logo {
  font-family:var(--font-display); font-size:1.8rem;
  font-weight:700; color:var(--text-primary);
  display:inline-block; margin-bottom:16px;
  transition: all var(--transition-fast);
}
.footer-logo:hover { text-shadow: var(--neon-purple); transform:scale(1.05); }
.footer-text { color:var(--text-muted); font-size:0.88rem; }

/* ==================== BACK TO TOP ==================== */
.back-to-top {
  position:fixed; bottom:30px; right:30px;
  width:50px; height:50px; border-radius:14px;
  background:linear-gradient(135deg, var(--accent-1), var(--accent-2));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:1.1rem; z-index:999;
  opacity:0; transform:translateY(20px) rotateZ(0);
  transition: all var(--transition-spring);
  box-shadow: var(--neon-purple);
}
.back-to-top.visible { opacity:1; transform:translateY(0); }
.back-to-top:hover { transform:translateY(-5px) rotateZ(360deg) scale(1.1); }

/* ==================== SCROLL ANIMATIONS ==================== */
[data-animate] { opacity:0; transform:translateY(40px) translateZ(-30px); transition:all 0.8s cubic-bezier(0.34,1.56,0.64,1); }
[data-animate="fade-right"] { transform:translateX(-50px) translateZ(-30px); }
[data-animate="fade-left"] { transform:translateX(50px) translateZ(-30px); }
[data-animate].animated { opacity:1; transform:translateY(0) translateZ(0) translateX(0); }

/* ==================== 3D NEON GRID LINES ==================== */
.hero-section::after {
  content:''; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(124,92,252,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,92,252,0.04) 1px, transparent 1px);
  background-size:60px 60px;
  pointer-events:none; z-index:1;
  mask:radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

/* ==================== MOBILE RESPONSIVE ==================== */
@media (max-width:768px) {
  .hero-container { grid-template-columns:1fr; text-align:center; gap:40px; }
  .hero-image { display:none; }
  .hero-cta { justify-content:center; }
  .hero-stats { justify-content:center; }
  .about-grid { grid-template-columns:1fr; }
  .about-details-grid { grid-template-columns:1fr; }
  .counter-grid { grid-template-columns:repeat(2,1fr); }
  .contact-grid { grid-template-columns:1fr; }
  .nav-menu { display:none; flex-direction:column; padding:20px; position:absolute; top:100%; left:0; width:100%; background:rgba(5,5,16,0.97); backdrop-filter:blur(30px); border-bottom:1px solid var(--border-color); }
  .nav-menu.open { display:flex; }
  .nav-toggle { display:flex; }
  .projects-grid { grid-template-columns:1fr; }
  .github-cta-content { flex-direction:column; gap:20px; text-align:center; }
}
@media (max-width:480px) {
  .counter-grid { grid-template-columns:1fr 1fr; }
  .section-title { font-size:2rem; }
}