:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #10b981;
  --accent: #f59e0b;
  --purple: #8b5cf6;
  --pink: #ec4899;
  --cyan: #06b6d4;
  --bg-dark: #030014;
  --bg-card: rgba(18, 18, 35, 0.95);
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6);
  --gradient-secondary: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-accent: linear-gradient(135deg, #f59e0b, #ec4899);
  --shadow-3d: 0 20px 40px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
  --border-glow: 1px solid rgba(99, 102, 241, 0.3);
}

[data-theme="light"] {
  --bg-dark: #f0f4f8;
  --bg-card: rgba(255, 255, 255, 0.98);
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --shadow-3d: 0 20px 40px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  position: relative;
}

/* Canvas Animations */
.mode-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transition: opacity 0.5s ease;
  z-index: 0;
}

.dark-canvas { opacity: 1; }
.light-canvas { opacity: 0; }
[data-theme="light"] .dark-canvas { opacity: 0; }
[data-theme="light"] .light-canvas { opacity: 1; }

.scroll-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  transform: translateY(-5px) scale(1.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 10;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(3, 0, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: var(--border-glow);
  transition: all 0.3s ease;
}

[data-theme="light"] .header {
  background: rgba(240, 244, 248, 0.95);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo-3d {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: glowPulse 2s infinite;
}

@keyframes glowPulse {
  0%, 100% { filter: drop-shadow(0 0 0px rgba(99,102,241,0)); }
  50% { filter: drop-shadow(0 0 10px rgba(99,102,241,0.5)); }
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  font-weight: 500;
  color: var(--text-primary);
  transition: all 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover::after,
.active-nav::after {
  width: 100%;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: all 0.3s ease;
  border-radius: 3px;
}

.theme-toggle {
  background: var(--bg-card);
  border: var(--border-glow);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  transform: scale(1.1);
  background: var(--primary);
  color: white;
}

.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 998;
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 40px;
  font-size: 0.8rem;
  margin-bottom: 20px;
  border: var(--border-glow);
  color: var(--primary);
  font-weight: 600;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; box-shadow: 0 0 15px rgba(99, 102, 241, 0.3); }
}

.glow-text {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 15px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 3s infinite;
}

@keyframes textGlow {
  0%, 100% { filter: drop-shadow(0 0 0px rgba(99,102,241,0)); }
  50% { filter: drop-shadow(0 0 20px rgba(99,102,241,0.3)); }
}

.wave {
  display: inline-block;
  animation: wave 2s infinite;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(15deg); }
}

.hero-title {
  font-size: 1.1rem;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 15px;
}

.hero-desc {
  color: var(--text-secondary);
  margin-bottom: 25px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.stat-3d {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  padding: 10px 20px;
  border-radius: 40px;
  border: var(--border-glow);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.stat-3d:hover {
  transform: translateY(-3px) scale(1.05);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.stat-3d span {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--primary);
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.btn-3d {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary-3d {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary-3d:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.btn-outline-3d {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

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

.hero-social {
  display: flex;
  gap: 12px;
}

.social-icon-3d {
  background: var(--bg-card);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all 0.3s ease;
  border: var(--border-glow);
  text-decoration: none;
  font-size: 1.1rem;
}

.social-icon-3d:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px) rotate(360deg);
}

.profile-card-3d {
  position: relative;
  perspective: 1000px;
}

.profile-inner {
  background: var(--bg-card);
  border-radius: 40px;
  padding: 20px;
  text-align: center;
  border: var(--border-glow);
  transform-style: preserve-3d;
  transition: all 0.5s ease;
  position: relative;
  backdrop-filter: blur(10px);
}

.profile-inner:hover {
  transform: rotateY(10deg) rotateX(5deg);
  box-shadow: var(--shadow-3d);
}

.hero-img {
  width: 100%;
  max-width: 320px;
  border-radius: 30px;
  position: relative;
  z-index: 2;
}

.profile-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(99,102,241,0.3), transparent);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  filter: blur(30px);
  z-index: 1;
}

.floating-badge {
  position: absolute;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  border: var(--border-glow);
  white-space: nowrap;
  animation: floatBadge 3s infinite;
}

.badge1 {
  top: -15px;
  right: -15px;
  background: var(--gradient-primary);
  color: white;
}

.badge2 {
  bottom: -15px;
  left: -15px;
  animation-delay: 1s;
  background: var(--gradient-secondary);
  color: white;
}

.badge3 {
  top: 50%;
  right: -50px;
  animation-delay: 2s;
  background: var(--gradient-accent);
  color: white;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--primary);
  border-radius: 20px;
  position: relative;
}

.mouse::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

.arrow-down {
  width: 10px;
  height: 10px;
  border-left: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: rotate(-45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(-45deg) translateY(0); }
  50% { transform: rotate(-45deg) translateY(10px); }
}

/* About Section */
.about {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.tag-glow {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 15px;
  border: var(--border-glow);
}

.section-header h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.separator-glow {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  margin: 0 auto;
  border-radius: 4px;
  animation: separatorPulse 2s infinite;
}

@keyframes separatorPulse {
  0%, 100% { width: 60px; }
  50% { width: 80px; }
}

.about-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 50px;
  align-items: start;
}

.about-text p {
  margin-bottom: 15px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.about-stats {
  display: flex;
  gap: 15px;
  margin-top: 25px;
  flex-wrap: wrap;
}

.stat-card-3d {
  background: var(--bg-card);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  border: var(--border-glow);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(10px);
}

.stat-card-3d:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.info-card-3d {
  background: var(--bg-card);
  border-radius: 28px;
  padding: 28px;
  border: var(--border-glow);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.info-card-3d:hover {
  transform: translateY(-5px) rotateX(5deg);
  box-shadow: var(--shadow-3d);
}

.info-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.info-row i {
  width: 24px;
  color: var(--primary);
}

/* Experience Tree Section - Fixed with Proper Branch Connections */
.experience {
  padding: 80px 0;
  position: relative;
}

.tree-wrapper {
  position: relative;
  min-height: 1400px;
  margin: 60px 0;
}

.main-trunk {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 100%;
  background: linear-gradient(180deg, #8B5A2B, #A0703B, #6B3A1B, #A0703B, #8B5A2B);
  border-radius: 3px;
  z-index: 1;
  box-shadow: 0 0 10px rgba(139, 90, 43, 0.5);
}

.tree-branch {
  position: absolute;
  z-index: 2;
}

/* Branch Positioning */
.branch-1 { top: 5%; left: 50%; transform: translateX(-50%); }
.branch-2 { top: 22%; right: 2%; }
.branch-3 { top: 45%; left: 12.5%; }
.branch-4 { top: 68%; right: 12.5%; }
.branch-5 { top: 88%; left: 12.5%; }

/* Branch Connectors */
.branch-connector {
  position: absolute;
  height: 3px;
  background: linear-gradient(90deg, #A0703B, #8B5A2B);
  border-radius: 3px;
  top: 35px;
  z-index: 1;
}

.branch-connector-center {
  display: none;
}

.branch-connector-right {
  right: calc(100% - 10px);
  width: 80px;
}

.branch-connector-left {
  left: calc(100% - 10px);
  width: 80px;
}

/* Sub branches for multiple cards */
.branch-sub-branch {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.sub-branch-line {
  position: absolute;
  width: 2px;
  background: #A0703B;
  left: -45px;
}

.branch-2 .sub-branch-line {
  height: 180px;
  top: 30px;
}

.branch-2 .second-sub {
  top: 110px;
}

/* Experience Cards */
.experience-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  border: 1px solid var(--border-glow);
  transition: all 0.4s ease;
  width: 360px;
  overflow: hidden;
  position: relative;
  z-index: 3;
}

.experience-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-3d);
  border-color: var(--primary);
}

.current-card { border-top: 4px solid var(--secondary); }
.intern-card { border-top: 4px solid var(--primary); }
.training-card { border-top: 4px solid var(--purple); }
.volunteer-card { border-top: 4px solid var(--cyan); }

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  margin: 18px 0 0 18px;
}

.current-badge {
  background: var(--secondary);
  color: white;
}

.intern-badge {
  background: var(--primary);
  color: white;
}

.training-badge {
  background: var(--purple);
  color: white;
}

.volunteer-badge {
  background: var(--cyan);
  color: white;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 12px 18px 8px 18px;
}

.card-company {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 500;
  margin: 0 18px 8px 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-company i {
  font-size: 0.7rem;
}

.card-date {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin: 0 18px 12px 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 18px 15px 18px;
}

.card-tech span {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--primary);
}

.card-duties {
  list-style: none;
  margin: 0 18px 20px 18px;
}

.card-duties li {
  font-size: 0.7rem;
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
}

.card-duties li i {
  font-size: 0.65rem;
  color: var(--secondary);
  margin-top: 2px;
  flex-shrink: 0;
}

/* Tree Root */
.tree-root {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  height: 100px;
}

.root-node {
  background: linear-gradient(135deg, #6B3A1B, #8B5A2B);
  padding: 10px 20px;
  border-radius: 35px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 2px solid rgba(255, 215, 0, 0.3);
  animation: rootGlow 2s infinite;
  margin-top: 101px;
  margin-left: 78px;
}

@keyframes rootGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(139, 90, 43, 0.5); }
  50% { box-shadow: 0 0 25px rgba(139, 90, 43, 0.8); }
}

.root-icon {
  width: 35px;
  height: 35px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: white;
}

.root-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: #F5DEB3;
}

/* Projects Section */
.projects {
  padding: 80px 0;
}

.projects-master-container {
  perspective: 1000px;
}

.projects-glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: 32px;
  border: 1px solid var(--border-glow);
  padding: 35px;
  transition: all 0.5s ease;
  box-shadow: var(--shadow-3d);
}

.projects-glass-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow);
}

.projects-header {
  text-align: center;
  margin-bottom: 35px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-glow);
}

.projects-header i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.projects-header h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.projects-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.projects-compact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
  margin-bottom: 25px;
}

.compact-project-card {
  background: rgba(99, 102, 241, 0.05);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  gap: 18px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-glow);
}

.compact-project-card:hover {
  transform: translateX(8px);
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--primary);
}

.card-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.compact-project-card:hover .card-accent {
  width: 6px;
}

.compact-project-icon {
  flex-shrink: 0;
  width: 55px;
  height: 55px;
  background: var(--gradient-primary);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  transition: all 0.3s ease;
}

.compact-project-card:hover .compact-project-icon {
  transform: rotate(10deg) scale(1.05);
}

.compact-project-info {
  flex: 1;
}

.compact-project-info h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.compact-project-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.compact-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.compact-tech-stack span {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--primary);
}

.compact-project-actions {
  display: flex;
  gap: 12px;
}

.live-btn, .code-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 25px;
  font-size: 0.7rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.live-btn {
  background: var(--secondary);
  color: white;
}

.live-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.code-btn {
  background: var(--primary);
  color: white;
}

.code-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.live-btn.disabled {
  background: #64748b;
  cursor: not-allowed;
  opacity: 0.6;
}

.live-btn.disabled:hover {
  transform: none;
  box-shadow: none;
}

.projects-footer {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-glow);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.projects-footer i {
  animation: arrowMove 1.5s infinite;
}

@keyframes arrowMove {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(5px); }
}

/* Skills Section */
.skills {
  padding: 80px 0;
}

.skills-master-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: 32px;
  border: 1px solid var(--border-glow);
  padding: 35px;
  margin-bottom: 50px;
  transition: all 0.4s ease;
  box-shadow: var(--shadow-3d);
}

.skills-master-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary);
}

.skills-master-header {
  text-align: center;
  margin-bottom: 35px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-glow);
}

.skills-master-header i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.skills-master-header h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.skills-master-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.skills-inner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
}

.skill-inner-card {
  background: rgba(99, 102, 241, 0.05);
  border-radius: 24px;
  padding: 25px;
  transition: all 0.3s ease;
  border: 1px solid var(--border-glow);
  position: relative;
  overflow: hidden;
}

.skill-inner-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
  transition: left 0.5s ease;
}

.skill-inner-card:hover::before {
  left: 100%;
}

.skill-inner-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-glow);
}

.skill-card-icon {
  width: 55px;
  height: 55px;
  background: var(--gradient-primary);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  transition: all 0.3s ease;
}

.skill-inner-card:hover .skill-card-icon {
  transform: rotate(10deg) scale(1.05);
}

.skill-card-header h4 {
  font-size: 1.2rem;
  font-weight: 700;
}

.skill-card-content {
  margin-bottom: 20px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tags span {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  padding: 6px 14px;
  border-radius: 25px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
  border: 1px solid var(--border-glow);
  transition: all 0.3s ease;
}

.skill-tags span:hover {
  transform: scale(1.05);
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.skill-card-footer {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--border-glow);
}

.skill-progress {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-progress span {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(99, 102, 241, 0.2);
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  animation: fillProgress 1.5s ease-out;
}

@keyframes fillProgress {
  from { width: 0; }
  to { width: var(--width); }
}

.awards-section-3d h3 {
  font-size: 1.3rem;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.awards-grid-3d {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 15px;
}

.award-item {
  background: var(--bg-card);
  padding: 15px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  border-left: 4px solid var(--primary);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(10px);
}

.award-item:hover {
  transform: translateX(10px);
  background: rgba(99, 102, 241, 0.1);
}

/* Education Section - Big Card with Inner Cards */
.education {
  padding: 80px 0;
}

.education-master-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: 32px;
  border: 1px solid var(--border-glow);
  padding: 35px;
  transition: all 0.4s ease;
  box-shadow: var(--shadow-3d);
}

.education-master-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary);
}

.education-master-header {
  text-align: center;
  margin-bottom: 35px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-glow);
}

.education-master-header i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.education-master-header h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.education-master-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.education-inner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
}

.edu-inner-card {
  background: rgba(99, 102, 241, 0.05);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  gap: 18px;
  transition: all 0.3s ease;
  border: 1px solid var(--border-glow);
}

.edu-inner-card:hover {
  transform: translateY(-5px);
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--primary);
}

.edu-icon {
  width: 55px;
  height: 55px;
  background: var(--gradient-primary);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.edu-inner-card:hover .edu-icon {
  transform: rotate(10deg) scale(1.05);
}

.edu-content {
  flex: 1;
}

.edu-year-badge {
  display: inline-block;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  font-size: 0.7rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  padding: 3px 10px;
  border-radius: 20px;
}

.edu-content h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.edu-institution {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.edu-score-badge {
  display: inline-block;
  font-size: 0.7rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  padding: 4px 12px;
  border-radius: 20px;
  color: var(--primary);
}

/* Contact Section */
.contact {
  padding: 80px 0;
}

.contact-wrapper-3d {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info-3d {
  background: var(--bg-card);
  border-radius: 28px;
  padding: 35px;
  border: var(--border-glow);
  backdrop-filter: blur(10px);
}

.contact-info-3d p {
  color: var(--text-secondary);
  margin-bottom: 25px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.contact-item:hover {
  transform: translateX(8px);
  color: var(--primary);
}

.contact-item i {
  width: 24px;
  color: var(--primary);
}

.contact-form-3d {
  background: var(--bg-card);
  border-radius: 28px;
  padding: 35px;
  border: var(--border-glow);
  backdrop-filter: blur(10px);
}

.form-group {
  position: relative;
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 16px;
  border: 1px solid var(--border-glow);
  background: transparent;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.focus-border {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.form-group input:focus ~ .focus-border,
.form-group textarea:focus ~ .focus-border {
  width: 100%;
}

.footer {
  text-align: center;
  padding: 30px;
  border-top: var(--border-glow);
  color: var(--text-secondary);
  font-size: 0.85rem;
  background: rgba(3, 0, 20, 0.9);
  backdrop-filter: blur(10px);
}

[data-theme="light"] .footer {
  background: rgba(240, 244, 248, 0.95);
}

/* Responsive */
@media (max-width: 1200px) {
  .tree-wrapper {
    min-height: auto;
  }
  
  .tree-branch {
    position: relative;
    margin: 40px 0;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    transform: none !important;
  }
  
  .main-trunk,
  .branch-connector,
  .sub-branch-line {
    display: none;
  }
  
  .branch-sub-branch {
    display: flex;
    flex-direction: column;
    gap: 25px;
    align-items: center;
  }
  
  .experience-card {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
  }
  
  .tree-root {
    position: relative;
    margin-top: 40px;
    margin-bottom: 20px;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
  }
}

@media (max-width: 968px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .contact-wrapper-3d {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .glow-text {
    font-size: 2.5rem;
  }
  
  .badge3 {
    display: none;
  }
  
  .projects-compact-grid {
    grid-template-columns: 1fr;
  }
  
  .education-inner-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--bg-dark);
    width: 280px;
    height: calc(100vh - 70px);
    padding: 40px 30px;
    gap: 25px;
    transition: left 0.3s ease;
    border-right: var(--border-glow);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .compact-project-card,
  .edu-inner-card {
    flex-direction: column;
    text-align: center;
  }
  
  .compact-project-icon,
  .edu-icon {
    margin: 0 auto;
  }
  
  .compact-project-actions {
    justify-content: center;
  }
  
  .projects-glass-card,
  .skills-master-card,
  .education-master-card {
    padding: 20px;
  }
  
  .skills-inner-grid,
  .awards-grid-3d {
    grid-template-columns: 1fr;
  }
  
  .skill-card-header {
    flex-direction: column;
    text-align: center;
  }
  
  .skill-tags {
    justify-content: center;
  }
  
  .experience-card {
    max-width: 100%;
  }
}