*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
 
    :root {
      --bg: #f9f6f0;
      --surface: #f0ebe1;
      --border: #e4ddd0;
      --text: #2c2820;
      --muted: #a8977e;
      --accent: #7a9e6e;
      --accent-dim: #5a7d50;
      --gold: #b5904a;
      --gold-dim: #8a6c33;
      --mono: 'IBM Plex Mono', monospace;
      --sans: 'IBM Plex Sans', sans-serif;
      --display: 'Playfair Display', serif;
    }
 
    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--sans);
      font-weight: 300;
      line-height: 1.7;
    }
 
    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;
      border-bottom: 1px solid var(--border);
      background: rgba(249,246,240,0.92);
      backdrop-filter: blur(8px);
    }
 
    .nav-logo {
      font-family: var(--mono);
      font-size: 0.85rem;
      color: var(--accent);
      letter-spacing: 0.08em;
      text-decoration: none;
    }
 
    .nav-links { display: flex; gap: 2.5rem; list-style: none; }
    .nav-links a {
      font-family: var(--mono);
      font-size: 0.78rem;
      color: var(--muted);
      text-decoration: none;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      transition: color 0.2s;
    }
    .nav-links a:hover, .nav-links a.active { color: var(--accent); }
 
    .page-header {
      padding: 8rem 3rem 3rem;
      border-bottom: 1px solid var(--border);
      max-width: 960px;
    }
 
    .page-header p.label {
      font-family: var(--mono);
      font-size: 0.78rem;
      color: var(--gold);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }
 
    h1 {
      font-family: var(--display);
      font-size: clamp(2.5rem, 5vw, 4rem);
      font-weight: 700;
      line-height: 1.1;
      color: var(--text);
      margin-bottom: 1rem;
    }
 
    .page-header > p:last-child { font-size: 0.95rem; color: var(--muted); max-width: 480px; }
 
    .filter-bar {
      padding: 1.5rem 3rem;
      display: flex;
      gap: 0.5rem;
      border-bottom: 1px solid var(--border);
      flex-wrap: wrap;
      background: var(--surface);
    }

    .filter-bar .label {
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.06em;
      color: var(--muted);
      background: transparent;
      padding: 0.35rem 0.9rem;
      cursor: pointer;
      transition: all 0.2s;
    }
 
    .filter-btn {
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.06em;
      color: var(--muted);
      background: transparent;
      border: 1px solid var(--border);
      padding: 0.35rem 0.9rem;
      cursor: pointer;
      transition: all 0.2s;
    }
    .filter-btn:hover, .filter-btn.active { border-color: var(--accent); color: var(--accent); }
 
    .projects-wrap {
      max-width: 960px;
      padding: 3rem;
    }
 
    .projects-section-label {
      font-family: var(--mono);
      font-size: 0.75rem;
      color: var(--gold);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 1rem;
    }
 
    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1px;
      background: var(--border);
    }
 
    .project-card {
      background: var(--bg);
      padding: 2rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
      transition: background 0.2s;
    }
    .project-card:hover { background: var(--surface); }
 
    .project-number { font-family: var(--mono); font-size: 0.72rem; color: var(--gold-dim); }
 
    .project-card h2 {
      font-family: var(--display);
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text);
      line-height: 1.2;
    }
 
    .project-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.7; flex: 1; }
 
    .project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
 
    .tag {
      font-family: var(--mono);
      font-size: 0.68rem;
      color: var(--gold-dim);
      border: 1px solid var(--border);
      padding: 0.2rem 0.5rem;
      letter-spacing: 0.04em;
    }
 
    .project-links { display: flex; gap: 1rem; margin-top: 0.5rem; }
    .project-links a {
      font-family: var(--mono);
      font-size: 0.75rem;
      text-decoration: none;
      color: var(--muted);
      transition: color 0.2s;
    }
    .project-links a:hover { color: var(--accent); }
 
    .project-status {
      font-family: var(--mono);
      font-size: 0.68rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      color: var(--muted);
    }
 
    .status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
    .status-dot.active { background: var(--accent); }
    .status-dot.archived { background: var(--gold-dim); }
 
    footer {
      border-top: 1px solid var(--border);
      background: var(--surface);
      padding: 2rem 3rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }
 
    footer p { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
    .footer-links { display: flex; gap: 2rem; }
    .footer-links a {
      font-family: var(--mono); font-size: 0.75rem; color: var(--muted);
      text-decoration: none; transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--accent); }
 
    .publications-section {
      max-width: 960px;
      padding: 4rem 3rem;
      border-top: 1px solid var(--border);
    }
 
    .publications-section .section-label {
      font-family: var(--mono);
      font-size: 0.75rem;
      color: var(--gold);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 0.4rem;
    }
 
    .publications-section h2 {
      font-family: var(--display);
      font-size: 2rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 2rem;
    }
 
    .paper-card {
      border: 1px solid var(--border);
      background: var(--surface);
      padding: 2rem 2.25rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
 
    .paper-meta {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex-wrap: wrap;
    }
 
    .paper-venue {
      font-family: var(--mono);
      font-size: 0.7rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--bg);
      background: var(--accent);
      padding: 0.2rem 0.6rem;
    }
 
    .paper-year {
      font-family: var(--mono);
      font-size: 0.72rem;
      color: var(--muted);
    }
 
    .paper-card h3 {
      font-family: var(--display);
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text);
      line-height: 1.3;
    }
 
    .paper-authors {
      font-size: 0.85rem;
      color: var(--gold);
      font-style: italic;
    }
 
    .paper-authors strong {
      font-style: normal;
      font-weight: 500;
      color: var(--gold);
    }
 
    .paper-abstract {
      font-size: 0.88rem;
      color: var(--muted);
      line-height: 1.75;
      border-left: 2px solid var(--border);
      padding-left: 1rem;
    }
 
    .paper-links { display: flex; gap: 1.25rem; }
    .paper-links a {
      font-family: var(--mono);
      font-size: 0.75rem;
      text-decoration: none;
      color: var(--muted);
      transition: color 0.2s;
    }
    .paper-links a:hover { color: var(--accent); }
 
    @media (max-width: 680px) {
      nav { padding: 1rem 1.5rem; }
      .page-header { padding: 7rem 1.5rem 2rem; }
      .filter-bar { padding: 1rem 1.5rem; }
      .projects-wrap { padding: 1.5rem; }
      .publications-section { padding: 3rem 1.5rem; }
      footer { padding: 1.5rem; }
    }