:root {
    --green: #00ff88;
    --green-dim: #00cc66;
    --green-glow: rgba(0,255,136,0.15);
    --cyan: #00d4ff;
    --amber: #ffaa00;
    --bg: #0a0c0e;
    --bg2: #0f1214;
    --bg3: #141820;
    --border: rgba(0,255,136,0.2);
    --text: #c8d8c0;
    --muted: #5a7060;
  }

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

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Exo 2', sans-serif;
    font-weight: 400;
    overflow-x: hidden;
    cursor: none;
  }

  /* Custom cursor */
  .cursor {
    width: 12px; height: 12px;
    border: 1px solid var(--green);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s, opacity 0.3s;
    transform: translate(-50%,-50%);
  }
  .cursor-trail {
    width: 4px; height: 4px;
    background: var(--green);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%,-50%);
    transition: all 0.3s ease;
    opacity: 0.6;
  }
  

  /* Circuit background canvas */
  #circuit-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    opacity: 0.07;
    pointer-events: none;
  }

  /* Scanlines */
  body::after {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,0,0,0.06) 2px,
      rgba(0,0,0,0.06) 4px
    );
    pointer-events: none;
    z-index: 1000;
  }

  /* Nav */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 4rem;
    border-bottom: 1px solid var(--border);
    background: rgba(10,12,14,0.9);
    backdrop-filter: blur(12px);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
  }
  .nav-logo {
    color: var(--green);
    font-size: 0.9rem;
    letter-spacing: 0.3em;
  }
  nav ul { list-style: none; display: flex; gap: 2.5rem; }
  nav a {
    color: var(--muted);
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.2s;
  }
  nav a:hover { color: var(--green); }
  .nav-status {
    display: flex; align-items: center; gap: 8px;
    color: var(--green); font-size: 0.7rem;
  }
  .status-dot {
    width: 6px; height: 6px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0%,100% { opacity: 1; }
    50% { opacity: 0.3; }
  }

  /* Sections */
  section { position: relative; z-index: 10; }

  /* Hero */
  #hero {
    min-height: 100vh;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 10rem 4rem 4rem;
    position: relative;
    overflow: hidden;
    gap: 4rem;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .hero-photo-wrapper {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    animation: fadeUp 0.8s 1s forwards;
  }
  .hero-photo-ring {
    position: relative;
    width: 260px;
    height: 260px;
  }
  .hero-photo-ring::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: conic-gradient(var(--green) 0deg, transparent 120deg, var(--green-dim) 240deg, transparent 360deg);
    animation: spin 8s linear infinite;
    z-index: 0;
  }
  .hero-photo-ring::after {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px solid var(--border);
    z-index: 0;
  }
  @keyframes spin {
    to { transform: rotate(360deg); }
  }
  .hero-photo {
    position: relative;
    z-index: 1;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--bg);
    background: var(--bg2);
  }
  .hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .hero-photo-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--muted);
    text-transform: uppercase;
    text-align: center;
  }
  .hero-tag {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem;
    color: var(--green);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.3s forwards;
  }
  .hero-tag::before { content: '> '; }
  h1 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(3.5rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 0.95;
    color: #e8f0e8;
    letter-spacing: -0.02em;
    opacity: 0;
    animation: fadeUp 0.8s 0.5s forwards;
  }
  h1 span { color: var(--green); }
  .hero-sub {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.85rem;
    color: var(--muted);
    letter-spacing: 0.2em;
    margin-top: 1.5rem;
    max-width: 600px;
    opacity: 0;
    animation: fadeUp 0.8s 0.7s forwards;
  }
  .hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2.5rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.9s forwards;
  }
  .badge {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    padding: 0.4rem 1rem;
    border: 1px solid var(--border);
    color: var(--green-dim);
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
  }
  .badge::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--green-glow);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .badge:hover { border-color: var(--green); color: var(--green); }
  .badge:hover::before { opacity: 1; }

  .hero-corner {
    position: absolute;
    bottom: 3rem; right: 4rem;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    text-align: right;
    letter-spacing: 0.1em;
    line-height: 1.8;
    opacity: 0;
    animation: fadeUp 0.8s 1.1s forwards;
  }

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

  /* Section headers */
  .section-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }
  .section-num {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem;
    color: var(--green);
    letter-spacing: 0.2em;
  }
  .section-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    color: #e8f0e8;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .section-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border), transparent);
  }

  /* About */
  #about {
    padding: 6rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
  }
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
  .about-text {
    font-size: 1rem;
    line-height: 1.9;
    color: #8aab88;
  }
  .about-text p { margin-bottom: 1.2rem; }
  .about-text strong { color: var(--green); font-weight: 400; }
  .about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .stat-card {
    border: 1px solid var(--border);
    padding: 1.5rem;
    position: relative;
    background: var(--bg2);
    transition: border-color 0.3s;
  }
  .stat-card:hover { border-color: var(--green); }
  .stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 30px; height: 1px;
    background: var(--green);
  }
  .stat-num {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--green);
    line-height: 1;
  }
  .stat-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: 0.4rem;
  }

  /* Skills */
  #skills {
    padding: 6rem 4rem;
    background: var(--bg2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  #skills .inner { max-width: 1200px; margin: 0 auto; }
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }
  .skill-domain {
    border: 1px solid var(--border);
    padding: 2rem;
    background: var(--bg);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, transform 0.3s;
  }
  .skill-domain:hover {
    border-color: var(--green);
    transform: translateY(-4px);
  }
  .skill-domain::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--green), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
  }
  .skill-domain:hover::after { transform: scaleX(1); }
  .domain-icon {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    display: block;
    filter: grayscale(0.3);
  }
  .domain-name {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: #e8f0e8;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
  }
  .skill-bar-list { display: flex; flex-direction: column; gap: 0.7rem; }
  .skill-item { display: flex; flex-direction: column; gap: 4px; }
  .skill-name {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--muted);
    text-transform: uppercase;
    display: flex;
    justify-content: space-between;
  }
  .skill-name span { color: var(--green-dim); }
  .bar-track {
    height: 3px;
    background: rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
  }
  .bar-fill {
    height: 100%;
    background: linear-gradient(to right, var(--green-dim), var(--green));
    transform: scaleX(0);
    transform-origin: left;
    animation: barFill 1.2s ease forwards;
    animation-play-state: paused;
  }
  .bar-fill.animate { animation-play-state: running; }
  @keyframes barFill {
    to { transform: scaleX(1); }
  }

  /* Projects */
  #projects {
    padding: 6rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
  }
  .projects-list { display: flex; flex-direction: column; gap: 1px; }
  .project-item {
    border: 1px solid var(--border);
    padding: 2rem 2.5rem;
    background: var(--bg);
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 2rem;
    align-items: start;
    transition: border-color 0.3s, background 0.3s;
    position: relative;
    overflow: hidden;
    cursor: default;
  }
  .project-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--green-glow);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .project-item:hover { border-color: var(--green); }
  .project-item:hover::before { opacity: 1; }
  .project-num {
    font-family: 'Rajdhani', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(0,255,136,0.12);
    line-height: 1;
    letter-spacing: -0.04em;
  }
  .project-body {}
  .project-tags {
    display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.8rem;
  }
  .tag {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--green-dim);
    border: 1px solid rgba(0,255,136,0.3);
    padding: 2px 8px;
    text-transform: uppercase;
  }
  .project-name {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: #e8f0e8;
    letter-spacing: 0.05em;
    margin-bottom: 0.6rem;
  }
  .project-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    color: #6a886a;
  }
  .project-meta {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
  }
  .project-year {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem;
    color: var(--muted);
    letter-spacing: 0.1em;
  }
  .project-status {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    padding: 3px 10px;
    text-transform: uppercase;
  }
  .status-live {
    color: var(--green);
    border: 1px solid rgba(0,255,136,0.4);
  }
  .status-research {
    color: var(--amber);
    border: 1px solid rgba(255,170,0,0.4);
  }
  .status-deployed {
    color: var(--cyan);
    border: 1px solid rgba(0,212,255,0.4);
  }

  /* Certifications */
  #certifications {
    padding: 6rem 4rem;
    background: var(--bg2);
    border-top: 1px solid var(--border);
  }
  #certifications .inner { max-width: 1200px; margin: 0 auto; }
  .cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
  }
  .cert-card {
    border: 1px solid var(--border);
    padding: 1.5rem;
    background: var(--bg);
    transition: border-color 0.3s;
    position: relative;
  }
  .cert-card:hover { border-color: var(--green); }
  .cert-org {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--green-dim);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
  }
  .cert-name {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: #c8d8c0;
    line-height: 1.3;
  }
  .cert-year {
    position: absolute;
    top: 1.5rem; right: 1.5rem;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
  }

  /* Contact */
  #contact {
    padding: 6rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
  }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
  .contact-cta {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: #e8f0e8;
    line-height: 1.2;
    margin-bottom: 1.5rem;
  }
  .contact-cta span { color: var(--green); }
  .contact-text {
    font-size: 0.9rem;
    line-height: 1.8;
    color: #6a886a;
  }
  .contact-links { display: flex; flex-direction: column; gap: 1rem; }
  .contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border);
    padding: 1.2rem 1.5rem;
    text-decoration: none;
    transition: border-color 0.3s, background 0.3s;
    position: relative;
    overflow: hidden;
  }
  .contact-link:hover {
    border-color: var(--green);
    background: var(--green-glow);
  }
  .link-type {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--muted);
    text-transform: uppercase;
    min-width: 80px;
  }
  .link-val {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem;
    color: var(--green);
    letter-spacing: 0.05em;
  }
  .link-arrow {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.8rem;
    transition: color 0.3s, transform 0.3s;
  }
  .contact-link:hover .link-arrow { color: var(--green); transform: translateX(4px); }

  /* Footer */
  footer {
    padding: 2rem 4rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    letter-spacing: 0.1em;
  }

  /* Responsive */
  @media (max-width: 768px) {
    nav { padding: 1rem 1.5rem; }
    nav ul { display: none; }
    #hero { flex-direction: column-reverse; align-items: center; padding: 7rem 1.5rem 4rem; gap: 2.5rem; }
    .hero-photo-ring, .hero-photo { width: 180px; height: 180px; }
    #about, #skills, #projects, #certifications, #contact { padding: 5rem 1.5rem 4rem; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .project-item { grid-template-columns: 1fr; }
    .project-num, .project-meta { display: none; }
    footer { flex-direction: column; gap: 0.5rem; text-align: center; }
  }