<style>
  /* ===== CSS VARIABLES ===== */
  :root {
    --transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  }

  [data-theme="neon"] {
    --bg: #050510;
    --bg2: #0a0a1f;
    --bg3: #0f0f2e;
    --card: rgba(10, 10, 40, 0.8);
    --card-border: rgba(0,255,255,0.15);
    --text: #e0e8ff;
    --text-muted: #8892b0;
    --accent1: #00ffff;
    --accent2: #ff00ff;
    --accent3: #7fff00;
    --accent4: #ff6b35;
    --glow1: 0 0 20px #00ffff55, 0 0 40px #00ffff22;
    --glow2: 0 0 20px #ff00ff55, 0 0 40px #ff00ff22;
    --glow3: 0 0 20px #7fff0055, 0 0 40px #7fff0022;
    --nav-bg: rgba(5,5,16,0.95);
    --grid-color: rgba(0,255,255,0.04);
    --hero-grad: linear-gradient(135deg, #050510 0%, #0a0a2e 50%, #050510 100%);
    --tag-bg: rgba(0,255,255,0.08);
    --tag-border: rgba(0,255,255,0.3);
    --tag-text: #00ffff;
    --btn-grad: linear-gradient(135deg, #00ffff, #ff00ff);
  }

  [data-theme="pastel"] {
    --bg: #f8f5ff;
    --bg2: #f0ebff;
    --bg3: #e8e0ff;
    --card: rgba(255,255,255,0.85);
    --card-border: rgba(167,139,250,0.25);
    --text: #2d1b69;
    --text-muted: #7c6fad;
    --accent1: #7c3aed;
    --accent2: #ec4899;
    --accent3: #10b981;
    --accent4: #f59e0b;
    --glow1: 0 8px 32px rgba(124,58,237,0.15);
    --glow2: 0 8px 32px rgba(236,72,153,0.15);
    --glow3: 0 8px 32px rgba(16,185,129,0.15);
    --nav-bg: rgba(248,245,255,0.95);
    --grid-color: rgba(124,58,237,0.04);
    --hero-grad: linear-gradient(135deg, #f8f5ff 0%, #ede9fe 50%, #fdf2f8 100%);
    --tag-bg: rgba(124,58,237,0.08);
    --tag-border: rgba(124,58,237,0.25);
    --tag-text: #7c3aed;
    --btn-grad: linear-gradient(135deg, #7c3aed, #ec4899);
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* ===== ANIMATED GRID BACKGROUND ===== */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(var(--grid-color) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
    animation: gridShift 20s linear infinite;
    transition: background-image var(--transition);
  }

  @keyframes gridShift {
    0% { transform: translateY(0); }
    100% { transform: translateY(60px); }
  }

  /* ===== FLOATING ORBS ===== */
  .orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    animation: orbFloat 15s ease-in-out infinite;
    opacity: 0.25;
    transition: background var(--transition);
  }
  .orb1 { width: 400px; height: 400px; background: var(--accent1); top: -100px; right: -100px; animation-delay: 0s; }
  .orb2 { width: 350px; height: 350px; background: var(--accent2); bottom: 10%; left: -100px; animation-delay: -5s; }
  .orb3 { width: 300px; height: 300px; background: var(--accent3); top: 40%; right: 20%; animation-delay: -10s; }

  @keyframes orbFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    33% { transform: translateY(-30px) scale(1.05); }
    66% { transform: translateY(20px) scale(0.95); }
  }

  /* ===== NAV ===== */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    transition: background var(--transition), border-color var(--transition);
  }

  .nav-logo {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 1.3rem;
    background: var(--btn-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
  }

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

  .nav-links a {
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    text-decoration: none;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s;
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--accent1);
    transition: width 0.3s;
  }

  .nav-links a:hover { color: var(--accent1); }
  .nav-links a:hover::after { width: 100%; }

  /* ===== THEME TOGGLE ===== */
  .theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    position: relative;
  }

  .toggle-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    transition: color var(--transition);
  }

  .toggle-switch {
    width: 52px; height: 26px;
    background: var(--card-border);
    border-radius: 13px;
    position: relative;
    cursor: pointer;
    border: 1px solid var(--card-border);
    transition: background 0.4s;
    overflow: visible;
  }

  .toggle-switch::before {
    content: '✦';
    position: absolute;
    top: 50%; left: 4px;
    transform: translateY(-50%);
    font-size: 14px;
    transition: left 0.4s cubic-bezier(0.23,1,0.32,1), color 0.4s;
    color: var(--accent1);
    line-height: 1;
  }

  [data-theme="pastel"] .toggle-switch::before {
    left: 30px;
    color: var(--accent2);
    content: '✿';
  }

  /* ===== HAMBURGER ===== */
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
  }
  .hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--text);
    transition: all 0.3s;
    border-radius: 2px;
  }
  .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* ===== SECTIONS ===== */
  section {
    position: relative;
    z-index: 1;
  }

  /* ===== HERO ===== */
  #hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    background: var(--hero-grad);
    transition: background var(--transition);
    overflow: hidden;
  }

  #hero::before {
    content: 'KK';
    position: absolute;
    font-family: 'Orbitron', monospace;
    font-size: clamp(120px, 25vw, 280px);
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px var(--card-border);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    letter-spacing: -10px;
    animation: pulse 4s ease-in-out infinite;
    white-space: nowrap;
  }

  @keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
  }

  .hero-badge {
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent1);
    border: 1px solid var(--accent1);
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    animation: fadeDown 0.8s ease forwards;
    position: relative;
  }

  .hero-badge::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 20px;
    background: var(--btn-grad);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s;
  }

  h1.hero-name {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2.8rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: 1rem;
    animation: fadeUp 0.8s ease 0.2s forwards;
    opacity: 0;
    position: relative;
  }

  .name-karvy {
    background: var(--btn-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
  }

  .name-kapoor {
    color: var(--text);
    display: block;
    position: relative;
  }

  .name-kapoor::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    background: var(--btn-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transition: opacity 0.3s;
  }

  h1.hero-name:hover .name-kapoor::after { opacity: 1; }

  .hero-role {
    font-family: 'Space Mono', monospace;
    font-size: clamp(0.85rem, 2vw, 1.1rem);
    color: var(--text-muted);
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    animation: fadeUp 0.8s ease 0.4s forwards;
    opacity: 0;
  }

  #typed-text {
    color: var(--accent2);
    border-right: 2px solid var(--accent2);
    animation: blink 0.7s step-end infinite;
  }

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

  .hero-desc {
    max-width: 500px;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
    animation: fadeUp 0.8s ease 0.6s forwards;
    opacity: 0;
    margin-bottom: 2.5rem;
  }

  .hero-btns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeUp 0.8s ease 0.8s forwards;
    opacity: 0;
  }

  .btn {
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
  }

  .btn-primary {
    background: var(--btn-grad);
    color: white;
    box-shadow: var(--glow1);
  }

  .btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--btn-grad);
    filter: brightness(1.3);
    opacity: 0;
    transition: opacity 0.3s;
  }

  .btn-primary:hover::before { opacity: 1; }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: var(--glow1), var(--glow2); }

  .btn-secondary {
    background: transparent;
    color: var(--accent1);
    border: 1px solid var(--accent1);
  }

  .btn-secondary:hover {
    background: var(--accent1);
    color: var(--bg);
    transform: translateY(-2px);
    box-shadow: var(--glow1);
  }

  .hero-scroll {
    position: absolute;
    bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: fadeUp 0.8s ease 1.2s forwards;
    opacity: 0;
  }

  .hero-scroll span {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 3px;
    color: var(--text-muted);
    text-transform: uppercase;
  }

  .scroll-line {
    width: 1px; height: 50px;
    background: linear-gradient(to bottom, var(--accent1), transparent);
    animation: scrollLine 2s ease-in-out infinite;
  }

  @keyframes scrollLine {
    0%, 100% { scaleY: 1; opacity: 1; }
    50% { opacity: 0.3; }
  }

  /* ===== SECTION STYLES ===== */
  .section-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 2rem;
  }

  .section-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
  }

  .section-num {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--accent1);
    letter-spacing: 2px;
    white-space: nowrap;
  }

  .section-title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text);
    position: relative;
  }

  .section-title::after {
    content: '';
    display: block;
    width: 100%; height: 2px;
    background: var(--btn-grad);
    margin-top: 4px;
    border-radius: 1px;
  }

  .section-line {
    flex: 1; height: 1px;
    background: var(--card-border);
  }

  /* ===== ABOUT ===== */
  #about { background: var(--bg2); transition: background var(--transition); }

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

  .about-text p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 1.2rem;
    line-height: 1.9;
  }

  .about-text p strong { color: var(--accent1); }

  .about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .stat-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }

  .stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--btn-grad);
    transform: scaleX(0);
    transition: transform 0.3s;
    transform-origin: left;
  }

  .stat-card:hover::before { transform: scaleX(1); }
  .stat-card:hover { transform: translateY(-4px); box-shadow: var(--glow1); border-color: var(--accent1); }

  .stat-num {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 700;
    background: var(--btn-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
  }

  .stat-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-top: 4px;
    display: block;
  }

  /* ===== SKILLS ===== */
  #skills { background: var(--bg3); transition: background var(--transition); }

  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }

  .skill-category {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.8rem;
    backdrop-filter: blur(10px);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
  }

  .skill-category::after {
    content: '';
    position: absolute;
    bottom: -60px; right: -60px;
    width: 120px; height: 120px;
    border-radius: 50%;
    background: var(--accent1);
    opacity: 0.05;
    transition: all 0.4s;
  }

  .skill-category:nth-child(2)::after { background: var(--accent2); }
  .skill-category:nth-child(3)::after { background: var(--accent3); }
  .skill-category:nth-child(4)::after { background: var(--accent4); }

  .skill-category:hover::after { transform: scale(2.5); opacity: 0.08; }
  .skill-category:hover { transform: translateY(-6px); border-color: var(--accent1); box-shadow: var(--glow1); }
  .skill-category:nth-child(2):hover { border-color: var(--accent2); box-shadow: var(--glow2); }
  .skill-category:nth-child(3):hover { border-color: var(--accent3); box-shadow: var(--glow3); }

  .skill-cat-icon {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    display: block;
  }

  .skill-cat-title {
    font-family: 'Orbitron', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent1);
    margin-bottom: 1.2rem;
    text-transform: uppercase;
  }

  .skill-category:nth-child(2) .skill-cat-title { color: var(--accent2); }
  .skill-category:nth-child(3) .skill-cat-title { color: var(--accent3); }
  .skill-category:nth-child(4) .skill-cat-title { color: var(--accent4); }

  .skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .skill-tag {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
    color: var(--tag-text);
    letter-spacing: 1px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }

  .skill-tag:hover {
    background: var(--accent1);
    color: var(--bg);
    border-color: var(--accent1);
    transform: scale(1.05);
    box-shadow: var(--glow1);
  }

  .skill-bar-wrap { margin-top: 1rem; }

  .skill-bar-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
  }

  .skill-bar-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.68rem;
    color: var(--text-muted);
    min-width: 80px;
    letter-spacing: 1px;
  }

  .skill-bar-track {
    flex: 1;
    height: 4px;
    background: var(--card-border);
    border-radius: 2px;
    overflow: hidden;
  }

  .skill-bar-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--btn-grad);
    width: 0;
    transition: width 1.5s cubic-bezier(0.23,1,0.32,1);
  }

  .skill-pct {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    color: var(--accent1);
    min-width: 35px;
    text-align: right;
  }

  /* ===== EDUCATION ===== */
  #education { background: var(--bg2); transition: background var(--transition); }

  .timeline {
    position: relative;
    padding-left: 2rem;
  }

  .timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent1), var(--accent2), transparent);
  }

  .timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease;
  }

  .timeline-item.visible { opacity: 1; transform: translateX(0); }

  .timeline-dot {
    position: absolute;
    left: -2.55rem;
    top: 0.5rem;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--accent1);
    box-shadow: var(--glow1);
    border: 2px solid var(--bg);
  }

  .timeline-dot::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid var(--accent1);
    opacity: 0.4;
    animation: dotPing 2s ease-in-out infinite;
  }

  @keyframes dotPing {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.5); opacity: 0; }
  }

  .timeline-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.8rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }

  .timeline-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--btn-grad);
    border-radius: 2px 0 0 2px;
  }

  .timeline-card:hover { transform: translateX(8px); box-shadow: var(--glow1); border-color: var(--accent1); }

  .timeline-period {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--accent2);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
  }

  .timeline-school {
    font-family: 'Orbitron', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.3rem;
  }

  .timeline-degree {
    font-size: 0.95rem;
    color: var(--accent1);
    margin-bottom: 0.8rem;
  }

  .timeline-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
  }

  .timeline-grade {
    display: inline-block;
    font-family: 'Orbitron', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--btn-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 0.5rem;
  }

  /* ===== CERTIFICATIONS ===== */
  #certs { background: var(--bg3); transition: background var(--transition); }

  .certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.2rem;
  }

  .cert-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.4rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    cursor: default;
  }

  .cert-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--btn-grad);
    opacity: 0;
    transition: opacity 0.3s;
  }

  .cert-card:hover::before { opacity: 0.04; }
  .cert-card:hover { transform: translateY(-4px); border-color: var(--accent1); box-shadow: var(--glow1); }

  .cert-icon {
    width: 42px; height: 42px;
    border-radius: 10px;
    background: var(--btn-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
  }

  .cert-content { flex: 1; position: relative; z-index: 1; }

  .cert-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
    margin-bottom: 0.2rem;
    line-height: 1.4;
  }

  .cert-issuer {
    font-family: 'Space Mono', monospace;
    font-size: 0.68rem;
    color: var(--accent1);
    letter-spacing: 1px;
  }

  .cert-date {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
  }

  /* ===== PROJECTS ===== */
  #projects { background: var(--bg2); transition: background var(--transition); }

  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.8rem;
  }

  .project-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.4s;
    position: relative;
    group: true;
  }

  .project-card-header {
    height: 160px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .project-card:nth-child(1) .project-card-header { background: linear-gradient(135deg, #00ffff15, #ff00ff15); }
  .project-card:nth-child(2) .project-card-header { background: linear-gradient(135deg, #7fff0015, #00ffff15); }
  .project-card:nth-child(3) .project-card-header { background: linear-gradient(135deg, #ff6b3515, #ff00ff15); }

  [data-theme="pastel"] .project-card:nth-child(1) .project-card-header { background: linear-gradient(135deg, #7c3aed20, #ec489920); }
  [data-theme="pastel"] .project-card:nth-child(2) .project-card-header { background: linear-gradient(135deg, #10b98120, #7c3aed20); }
  [data-theme="pastel"] .project-card:nth-child(3) .project-card-header { background: linear-gradient(135deg, #f59e0b20, #ec489920); }

  .project-icon-wrap {
    font-size: 3.5rem;
    position: relative;
    z-index: 1;
    animation: iconFloat 3s ease-in-out infinite;
  }

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

  .project-card:nth-child(2) .project-icon-wrap { animation-delay: -1s; }
  .project-card:nth-child(3) .project-icon-wrap { animation-delay: -2s; }

  .project-card-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, var(--accent1)10 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
  }

  .project-card:hover .project-card-header::before { opacity: 1; }
  .project-card:hover { transform: translateY(-8px); border-color: var(--accent1); box-shadow: var(--glow1); }

  .project-card-body { padding: 1.5rem; }

  .project-title {
    font-family: 'Orbitron', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.6rem;
    letter-spacing: 1px;
  }

  .project-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
  }

  .project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.2rem;
  }

  .project-tag {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    padding: 0.25rem 0.7rem;
    border-radius: 12px;
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
    color: var(--tag-text);
    letter-spacing: 1px;
  }

  .project-link {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
    border-bottom: 1px solid transparent;
  }

  .project-link:hover { border-bottom-color: var(--accent1); transform: translateX(4px); }

  .project-link::after { content: '→'; transition: transform 0.3s; }
  .project-link:hover::after { transform: translateX(4px); }

  /* ===== CONTACT ===== */
  #contact { background: var(--bg3); transition: background var(--transition); }

  .contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }

  .contact-info h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: var(--btn-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .contact-info p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
  }

  .contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s;
    backdrop-filter: blur(10px);
  }

  .contact-link:hover { border-color: var(--accent1); transform: translateX(8px); box-shadow: var(--glow1); }
  .contact-link:hover .cl-icon { background: var(--btn-grad); }

  .cl-icon {
    width: 40px; height: 40px;
    border-radius: 8px;
    background: var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background 0.3s;
    flex-shrink: 0;
  }

  .cl-text { flex: 1; }
  .cl-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
    display: block;
  }
  .cl-value {
    font-size: 0.9rem;
    color: var(--text);
    display: block;
    margin-top: 2px;
  }

  .contact-form {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
  }

  .form-group { margin-bottom: 1.2rem; }

  .form-group label {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
  }

  .form-group input,
  .form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    transition: all 0.3s;
    outline: none;
    resize: none;
  }

  .form-group input:focus,
  .form-group textarea:focus {
    border-color: var(--accent1);
    box-shadow: var(--glow1);
  }

  .form-group textarea { min-height: 120px; }

  .form-submit {
    width: 100%;
    background: var(--btn-grad);
    color: white;
    border: none;
    padding: 0.9rem;
    border-radius: 8px;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }

  .form-submit:hover { transform: translateY(-2px); box-shadow: var(--glow1); filter: brightness(1.1); }

  /* ===== FOOTER ===== */
  footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--card-border);
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    background: var(--bg);
    transition: background var(--transition);
    position: relative;
    z-index: 1;
  }

  footer span {
    background: var(--btn-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* ===== CURSOR EFFECT ===== */
  .cursor-glow {
    position: fixed;
    width: 300px; height: 300px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    background: radial-gradient(circle, var(--accent1)08 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: left 0.3s ease, top 0.3s ease;
  }

  /* ===== ANIMATIONS ===== */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes fadeDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.23,1,0.32,1);
  }

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

  /* ===== MOBILE NAV MENU ===== */
  @media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-links {
      position: fixed;
      top: 65px; left: 0; right: 0;
      background: var(--nav-bg);
      flex-direction: column;
      align-items: center;
      padding: 1.5rem;
      gap: 1.5rem;
      transform: translateY(-110%);
      transition: transform 0.4s cubic-bezier(0.23,1,0.32,1);
      border-bottom: 1px solid var(--card-border);
      backdrop-filter: blur(20px);
    }

    .nav-links.open { transform: translateY(0); }

    .about-grid,
    .contact-container { grid-template-columns: 1fr; gap: 2rem; }

    .about-stats { grid-template-columns: 1fr 1fr; }

    .projects-grid { grid-template-columns: 1fr; }

    .section-inner { padding: 4rem 1.2rem; }
  }

  @media (max-width: 480px) {
    .nav-logo { font-size: 1rem; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .hero-btns { flex-direction: column; align-items: center; }
  }

  /* ===== SCROLL TO TOP ===== */
  .scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px; height: 44px;
    border-radius: 8px;
    background: var(--btn-grad);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
    z-index: 999;
    box-shadow: var(--glow1);
  }

  .scroll-top.visible { opacity: 1; transform: translateY(0); }
  .scroll-top:hover { transform: translateY(-4px); filter: brightness(1.2); }

/* ===== EXPERIENCE ===== */
#experience {
  background: var(--bg3);
  transition: background var(--transition);
}

#experience .timeline-card:hover {
  transform: translateX(8px);
  box-shadow: var(--glow1);
  border-color: var(--accent1);
}
</style>