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

  :root {
    --bg: #0c0f14;
    --bg2: #131820;
    --bg3: #1a2030;
    --accent: #5eead4;
    --accent2: #0d9488;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --faint: #334155;
    --border: rgba(94,234,212,0.12);
    --serif: 'Cormorant Garamond', Georgia, serif;
    --sans: 'Jost', sans-serif;
    --mono: 'JetBrains Mono', monospace;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.75;
    overflow-x: hidden;
  }

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 3rem;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-decoration: none;
  padding-right: 15px;
}

.nav-links {
display: flex;
gap: 1rem;
list-style: none;
/* flex: 1 1 auto; */
min-width: 0;
flex-wrap: nowrap;
overflow-x: auto;
overflow-y: hidden;
white-space: nowrap;
-webkit-overflow-scrolling: touch;
scrollbar-width: none;
}

  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links li { flex: 0 0 auto; }

  .nav-links a {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
  }

  .nav-links a:hover { color: var(--accent); }

  section { padding: 6rem 3rem; scroll-margin-top: 6.5rem; }

  #hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 3rem;
    position: relative;
    overflow: hidden;
  }

  #microCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
  }

  .hero-grid {
    position: relative;
    z-index: 1;
    max-width: 620px;
    width: 100%;
    padding-top: 5rem;
  }

  .hero-text { display: flex; flex-direction: column; justify-content: center; }

  .hero-eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 300;
    letter-spacing: 0.18em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
  }

  h1 {
    font-family: var(--serif);
    font-size: clamp(3rem, 5vw, 5rem);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
  }

  h1 em {
    font-style: italic;
    color: var(--accent);
  }

  .hero-title {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 2rem;
  }

  .hero-desc {
    font-size: 0.95rem;
    color: var(--muted);
    line-height: 1.8;
    max-width: 520px;
    margin-bottom: 2.5rem;
  }

  .hero-links { display: flex; gap: 1rem; flex-wrap: wrap; }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.4rem;
    font-family: var(--sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 2px;
    transition: all 0.2s;
    cursor: pointer;
    background: transparent;
  }

  .btn:hover { background: rgba(94,234,212,0.08); }

  .btn-ghost {
    border-color: var(--faint);
    color: var(--muted);
  }

  .btn-ghost:hover {
    border-color: var(--muted);
    color: var(--text);
    background: transparent;
  }

  section { padding: 6rem 3rem; }
  .container { max-width: 1100px; margin: 0 auto; }

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

  .section-num {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.1em;
  }

  h2 {
    font-family: var(--serif);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 300;
    letter-spacing: -0.01em;
  }

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

  #about,
  #publications,
  #education,
  #service {
    background: var(--bg2);
  }

  .about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 5rem;
    align-items: start;
  }

  .about-text p {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
    line-height: 1.85;
  }

  .about-text p strong { color: var(--text); font-weight: 400; }
  .skills-block { margin-top: 2rem; }

  .skills-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.8rem;
  }

  .skills-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }

  .skill-tag {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.75rem;
    border: 1px solid var(--faint);
    color: var(--muted);
    border-radius: 2px;
    transition: border-color 0.2s, color 0.2s;
  }

  .skill-tag:hover { border-color: var(--accent2); color: var(--accent); }

  .info-card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.75rem;
  }

  .info-row {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--faint);
    align-items: flex-start;
  }

  .info-row:last-child { border-bottom: none; }

  .info-icon {
    color: var(--accent);
    font-size: 0.75rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
    width: 14px;
    text-align: center;
  }

  .info-content { font-size: 0.82rem; }

  .info-key {
    color: var(--muted);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .info-val { color: var(--text); margin-top: 0.15rem; }
  .info-val a { color: var(--accent); text-decoration: none; }
  .info-val a:hover { text-decoration: underline; }

  .research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .research-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.75rem;
    transition: border-color 0.2s, transform 0.2s;
  }

  .research-card:hover { border-color: var(--accent2); transform: translateY(-3px); }

  .research-icon {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    display: block;
  }

  .research-card h3 {
    font-family: var(--serif);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    color: var(--text);
  }

  .research-card p,
  .research-card li {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.7;
  }

  .service-list {
    list-style: disc;
    padding-left: 1.1rem;
    margin-left: 0.2rem;
  }

  .service-list li {
    margin-bottom: 0.6rem;
  }

  .service-list li:last-child {
    margin-bottom: 0;
  }

  .service-list li::marker {
    color: var(--accent2);
  }

  .service-list a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px dotted rgba(94,234,212,0.45);
  }

  .service-list a:hover {
    color: var(--text);
    border-bottom-color: rgba(226,232,240,0.6);
  }

  .pub-list { display: flex; flex-direction: column; gap: 1.25rem; }

  .pub-card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent2);
    border-radius: 0 4px 4px 0;
    padding: 1.5rem 1.75rem;
    transition: border-left-color 0.2s;
  }

  .pub-card:hover { border-left-color: var(--accent); }

  .pub-meta {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.6rem;
    flex-wrap: wrap;
  }

  .pub-venue {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(94,234,212,0.08);
    padding: 0.2rem 0.6rem;
    border-radius: 2px;
  }

  .pub-year {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--muted);
  }

  .pub-badge {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fbbf24;
    background: rgba(251,191,36,0.1);
    border: 1px solid rgba(251,191,36,0.2);
    padding: 0.15rem 0.5rem;
    border-radius: 2px;
  }

  .pub-title {
    font-family: var(--serif);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 0.4rem;
    line-height: 1.4;
  }

  .pub-title a {
    color: var(--text);
    text-decoration: none;
  }

  .pub-title a:hover { color: var(--accent); }

  .pub-authors {
    font-size: 0.78rem;
    color: var(--muted);
  }

  .pub-sources {
    margin-top: 0.55rem;
    font-family: var(--mono);
    font-size: 0.64rem;
    color: var(--muted);
    letter-spacing: 0.04em;
    line-height: 1.8;
  }

  .pub-sources a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px dotted rgba(94,234,212,0.45);
  }

  .pub-sources a:hover {
    color: var(--text);
    border-bottom-color: rgba(226,232,240,0.6);
  }

  .pub-authors strong { color: var(--text); font-weight: 400; }

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

  .timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 0.5rem; bottom: 0;
    width: 1px;
    background: var(--faint);
  }

  .timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.55rem;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--accent2);
    border: 1px solid var(--accent);
  }

  .timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.3rem;
  }

  .timeline-role {
    font-family: var(--serif);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--text);
  }

  .timeline-date {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--accent);
    letter-spacing: 0.08em;
    white-space: nowrap;
    padding-top: 0.2rem;
  }

  .timeline-org {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 0.6rem;
  }

  .timeline-desc {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.75;
    max-width: 680px;
  }

  .edu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

  .edu-card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
  }

  .edu-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
  }

  .edu-card:hover::after { opacity: 1; }

  .edu-degree {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
  }

  .edu-card h3 {
    font-family: var(--serif);
    font-size: 1rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 0.4rem;
    line-height: 1.4;
  }

  .edu-school {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 0.75rem;
  }

  .edu-years {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--faint);
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
  }

  .edu-note {
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.6;
    border-top: 1px solid var(--faint);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
  }

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

  .contact-text h3 {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 300;
    margin-bottom: 1rem;
    line-height: 1.3;
  }

  .contact-text p {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 2rem;
  }

  .social-links { display: flex; flex-direction: column; gap: 0.75rem; }

  .social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.25rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    transition: border-color 0.2s, transform 0.15s;
  }

  .social-link:hover { border-color: var(--accent2); transform: translateX(4px); }

  .social-icon {
    width: 32px; height: 32px;
    border-radius: 4px;
    background: var(--bg3);
    border: 1px solid var(--faint);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem;
    color: var(--accent);
    flex-shrink: 0;
  }

  .social-info { flex: 1; }

  .social-name {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text);
  }

  .social-handle {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--muted);
  }

  .social-arrow { color: var(--faint); font-size: 0.8rem; }

  footer {
    padding: 2rem 3rem;
    border-top: 1px solid var(--faint);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--faint);
    letter-spacing: 0.08em;
    gap: 0.8rem;
    flex-wrap: wrap;
  }

  footer span { color: var(--accent2); }

  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .fade-in.visible { opacity: 1; transform: translateY(0); }

  /* @media (max-width: 900px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links { gap: 1rem; flex-wrap: wrap; justify-content: flex-end; }
    section { padding: 4rem 1.5rem; }
    #hero { padding: 0 1.5rem; }
    .hero-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .research-grid { grid-template-columns: 1fr; }
    .edu-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  } */
  @media (max-width: 900px) {
    nav {
      padding: 0.85rem 1rem;
      gap: 0.65rem;
    }

    .nav-logo {
      font-size: 0.95rem;
      padding-right: 0.5rem;
      flex: 0 0 auto;
    }

    .nav-links {
      gap: 0.55rem;
      justify-content: flex-start;
    }

    .nav-links a {
      font-size: 0.64rem;
      letter-spacing: 0.08em;
    }

    section { padding: 4rem 1.5rem; scroll-margin-top: 7rem; }
    #hero { padding: 5.4rem 1.25rem 0 1.25rem; }

    .hero-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .research-grid { grid-template-columns: 1fr; }
    .edu-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  }