:root{
    --paper: #1C1D1B;
    --paper-raised: #242522;
    --ink: #E9E7E0;
    --ink-soft: #9C9C93;
    --accent: #D08A5F;
    --accent-soft: #7A5A46;
    --line: #3A3B37;
    --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', 'Roboto Mono', Menlo, Consolas, monospace;
    --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, 'Times New Roman', serif;
    --gutter: clamp(1.5rem, 5vw, 4rem);
  }

  *{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }

  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--sans);
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }

  a{ color:inherit; text-decoration:none; }

  /* Skip link for keyboard users */
  .skip-link{
    position:absolute; left:-999px; top:0;
    background:var(--ink); color:var(--paper);
    padding:.5rem 1rem; z-index:100;
  }
  .skip-link:focus{ left:0; }

  :focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
  }

  /* ===== Layout shell ===== */
  .shell{
    display:grid;
    grid-template-columns: 280px 1fr;
    max-width:1180px;
    margin:0 auto;
    min-height:100vh;
  }

  /* ===== Sidebar / dossier tab ===== */
  .sidebar{
    border-right:1px solid var(--line);
    padding: clamp(2rem,6vw,3.5rem) var(--gutter);
    position:sticky;
    top:0;
    align-self:start;
    height:100vh;
    overflow-y:auto;
    display:flex;
    flex-direction:column;
    gap:2.25rem;
  }

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

  .avatar{
    width:84px;
    height:84px;
    border-radius:50%;
    overflow:hidden;
    border:1px solid var(--line);
    flex-shrink:0;
  }

  .avatar-img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
  }

  .id-block .name{
    font-family:var(--serif);
    font-size:clamp(1.9rem, 2.4vw, 2.3rem);
    font-weight:600;
    line-height:1.05;
    margin:0 0 .35rem;
    letter-spacing:-0.01em;
  }

  .id-block .role{
    font-family:var(--mono);
    font-size:.78rem;
    letter-spacing:.04em;
    text-transform:uppercase;
    color:var(--accent);
    margin:0;
  }

  .contact-list{
    list-style:none;
    padding:0;
    margin:0;
    display:flex;
    flex-direction:column;
    gap:.5rem;
    font-family:var(--mono);
    font-size:.82rem;
    color:var(--ink-soft);
  }

  .contact-list a{ border-bottom:1px solid transparent; }
  .contact-list a:hover{ border-bottom-color: var(--accent); color:var(--ink); }

  .index-nav{
    display:flex;
    flex-direction:column;
    gap:.6rem;
    border-top:1px solid var(--line);
    padding-top:1.5rem;
  }

  .index-nav .eyebrow{
    font-family:var(--mono);
    font-size:.7rem;
    letter-spacing:.08em;
    color:var(--ink-soft);
    text-transform:uppercase;
    margin-bottom:.3rem;
  }

  .index-nav a{
    font-family:var(--mono);
    font-size:.82rem;
    color:var(--ink-soft);
    display:flex;
    gap:.6rem;
    padding:.15rem 0;
    transition:color .15s ease;
  }

  .index-nav a .tag{ color: var(--accent-soft); }
  .index-nav a:hover, .index-nav a.active{ color:var(--ink); }
  .index-nav a.active .tag{ color:var(--accent); }

  .sidebar-foot{
    margin-top:auto;
    font-family:var(--mono);
    font-size:.72rem;
    color:var(--ink-soft);
    opacity:.7;
  }

  /* ===== Main content ===== */
  main{
    padding: clamp(2.5rem,6vw,4.5rem) var(--gutter);
  }

  .lede{
    max-width:640px;
    margin-bottom:3.5rem;
  }

  .lede p{
    font-size:1.05rem;
    color:var(--ink-soft);
  }

  section{
    padding-top: 2.5rem;
    margin-bottom: 3rem;
    border-top:1px solid var(--line);
    scroll-margin-top: 2rem;
  }

  section:first-of-type{ border-top:none; padding-top:0; }

  .section-head{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:1rem;
    margin-bottom:1.5rem;
  }

  .section-head h2{
    font-family:var(--serif);
    font-size:1.5rem;
    font-weight:600;
    margin:0;
  }

  .section-head .count{
    font-family:var(--mono);
    font-size:.75rem;
    color:var(--ink-soft);
  }

  /* Entry (experience / education) */
  .entry{
    display:grid;
    grid-template-columns: 130px 1fr;
    gap:1.25rem;
    padding:1.1rem 0;
    border-bottom:1px dashed var(--line);
  }
  .entry:last-child{ border-bottom:none; }

  .entry time{
    font-family:var(--mono);
    font-size:.78rem;
    color:var(--ink-soft);
    padding-top:.2rem;
  }

  .entry .entry-title{
    font-weight:600;
    font-size:1.02rem;
    margin:0 0 .15rem;
  }

  .entry .entry-org{
    font-size:.92rem;
    color:var(--accent);
    margin:0 0 .5rem;
  }

  .entry ul{
    margin:.4rem 0 0;
    padding-left:1.1rem;
    color:var(--ink-soft);
    font-size:.94rem;
  }
  .entry ul li{ margin-bottom:.3rem; }

  /* Skills */
  .skills-grid{
    display:grid;
    grid-template-columns: repeat(auto-fill, minmax(190px,1fr));
    gap:1.5rem;
  }

  .skill-group h3{
    font-family:var(--mono);
    font-size:.75rem;
    letter-spacing:.05em;
    text-transform:uppercase;
    color:var(--ink-soft);
    margin:0 0 .6rem;
  }

  .pill-list{
    display:flex;
    flex-wrap:wrap;
    gap:.4rem;
  }

  .pill{
    font-size:.82rem;
    padding:.3rem .65rem;
    border:1px solid var(--line);
    border-radius:2px;
    background:var(--paper-raised);
  }

  /* Projects */
  .project-list{
    display:grid;
    gap:1.25rem;
  }

  .project{
    padding:1.25rem;
    background:var(--paper-raised);
    border:1px solid var(--line);
  }

  .project h3{
    font-family:var(--serif);
    font-size:1.1rem;
    margin:0 0 .3rem;
  }

  .project p{
    margin:0 0 .5rem;
    color:var(--ink-soft);
    font-size:.94rem;
  }

  .project .meta{
    font-family:var(--mono);
    font-size:.72rem;
    color:var(--accent);
  }

  footer{
    border-top:1px solid var(--line);
    padding-top:1.5rem;
    font-family:var(--mono);
    font-size:.75rem;
    color:var(--ink-soft);
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:.5rem;
  }

  /* ===== Responsive ===== */
  @media (max-width: 820px){
    .shell{ grid-template-columns: 1fr; }
    .sidebar{
      position:relative;
      height:auto;
      border-right:none;
      border-bottom:1px solid var(--line);
    }
    .entry{ grid-template-columns: 1fr; gap:.3rem; }
    .entry time{ padding-top:0; }
  }

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
  }

  /* Print styles — a CV should print cleanly */
  @media print{
    .sidebar{ position:static; height:auto; border-right:none; }
    .shell{ grid-template-columns:1fr; display:block; }
    section{ break-inside: avoid; }
    body, .project, .pill{ background:#fff !important; color:#1E271F !important; }
    .entry-org, .role, .index-nav .tag{ color:#9C5A3C !important; }
    .id-block .name, .entry-title, .section-head h2, .project h3{ color:#111 !important; }
  }