:root {
    color-scheme: dark;
    --deep: #0a161d;
    --shelf: #0f222c;
    --shelf-2: #143040;
    --line: #1f4152;
    --text: #d9e7ea;
    --muted: #86a3ad;
    --contour: #4fc2c0;
    --sonar: #f1b44c;
    --display: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
    --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  }
  * { box-sizing: border-box; }
  html { background: var(--deep); }
  body {
    background: var(--deep);
    color: var(--text);
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
  }
  a { color: var(--contour); text-underline-offset: 3px; }
  a:hover { color: var(--sonar); }
  :focus-visible { outline: 2px solid var(--sonar); outline-offset: 3px; border-radius: 2px; }

  .wrap { max-width: 1040px; margin: 0 auto; padding-inline: 24px; }
  @media (max-width: 480px) { .wrap { padding-inline: 16px; } }

  /* ---------- hero ---------- */
  .hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
  #bathy { position: absolute; inset: 0; width: 100%; height: 100%; display: block; opacity: .55; }
  .hero::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(90deg, var(--deep) 0%, rgba(10,22,29,.82) 45%, rgba(10,22,29,.2) 100%);
  }
  .hero-inner { position: relative; z-index: 1; padding-block: 72px 64px; }
  .prompt { font-family: var(--mono); font-size: 14px; color: var(--muted); margin: 0 0 18px; }
  .prompt b { color: var(--sonar); font-weight: 500; }
  .cursor { display: inline-block; width: .6em; height: 1.05em; background: var(--contour); vertical-align: -3px; margin-left: 4px; animation: blink 1.1s steps(1) infinite; }
  @keyframes blink { 50% { opacity: 0; } }
  h1 {
    font-family: var(--display); font-weight: 700;
    font-size: clamp(2.6rem, 7vw, 4.8rem); line-height: 1; letter-spacing: -.01em;
    margin: 0; text-wrap: balance; max-width: 12ch;
  }
  .role { font-family: var(--display); font-weight: 500; font-size: clamp(1.1rem, 2.4vw, 1.45rem); color: var(--contour); margin: 18px 0 0; }
  .lede { max-width: 58ch; color: var(--text); margin: 20px 0 0; font-size: 1.05rem; }
  .meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 26px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
  .meta span::before { content: "▸ "; color: var(--sonar); }
  .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--mono); font-size: 14px; text-decoration: none;
    padding: 10px 16px; border: 1px solid var(--line); border-radius: 4px;
    background: var(--shelf); color: var(--text); cursor: pointer;
  }
  .btn:hover { border-color: var(--contour); color: var(--contour); }
  .btn.primary { background: var(--sonar); color: var(--deep); border-color: var(--sonar); font-weight: 500; }
  .btn.primary:hover { background: #f6c86e; color: var(--deep); }

  /* ---------- sections ---------- */
  section { padding-block: 64px; border-bottom: 1px solid var(--line); }
  .sec-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 32px; flex-wrap: wrap; }
  h2 { font-family: var(--display); font-weight: 600; font-size: 1.75rem; margin: 0; letter-spacing: .01em; }
  .sec-note { font-family: var(--mono); font-size: 13px; color: var(--muted); }

  /* now */
  .now { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; }
  @media (max-width: 760px) { .now { grid-template-columns: 1fr; } }
  .now-card { background: var(--shelf); border: 1px solid var(--line); border-radius: 6px; padding: 26px; }
  .now-card h3 { font-family: var(--display); font-size: 1.3rem; margin: 0; }
  .now-card .co { color: var(--sonar); font-family: var(--mono); font-size: 13px; margin-top: 4px; }
  .ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
  .ticks li { padding-left: 20px; position: relative; }
  .ticks li::before { content: ""; position: absolute; left: 0; top: .7em; width: 8px; height: 1px; background: var(--contour); }
  .stack h4 { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 0 0 10px; font-weight: 500; }
  .stack + .stack { margin-top: 22px; }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; }
  .chip { font-family: var(--mono); font-size: 13px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 3px; color: var(--text); background: var(--deep); }

  /* timeline */
  .timeline { list-style: none; margin: 0; padding: 0; }
  .job { display: grid; grid-template-columns: 150px 1fr; gap: 28px; padding-block: 26px; border-top: 1px dashed var(--line); }
  .job:first-child { border-top: 0; padding-top: 0; }
  @media (max-width: 640px) { .job { grid-template-columns: 1fr; gap: 8px; } }
  .when { font-family: var(--mono); font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
  .when strong { display: block; color: var(--sonar); font-weight: 500; font-size: 15px; }
  .job h3 { font-family: var(--display); font-weight: 600; font-size: 1.25rem; margin: 0; }
  .job .org { color: var(--contour); font-size: .95rem; margin-top: 2px; }
  .job p { margin: 12px 0 0; max-width: 68ch; color: var(--text); }
  .projects { display: grid; gap: 14px; margin-top: 18px; }
  .proj { border-left: 2px solid var(--line); padding-left: 16px; }
  .proj b { font-family: var(--mono); font-weight: 500; color: var(--text); font-size: 14px; }
  .proj span { display: block; color: var(--muted); font-size: .95rem; }
  .tech { margin-top: 14px; font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
  .tech em { font-style: normal; color: var(--contour); }

  /* repos */
  .repos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
  @media (max-width: 860px) { .repos { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 520px) { .repos { grid-template-columns: 1fr; } }
  .repo {
    display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: var(--text);
    background: var(--shelf); border: 1px solid var(--line); border-radius: 6px; padding: 18px;
    transition: border-color .15s, transform .15s;
  }
  .repo:hover { border-color: var(--contour); color: var(--text); transform: translateY(-2px); }
  .repo .name { font-family: var(--mono); font-size: 14px; color: var(--contour); word-break: break-word; }
  .repo .desc { color: var(--muted); font-size: .92rem; flex: 1; }
  .lang { font-family: var(--mono); font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
  .dot { width: 9px; height: 9px; border-radius: 50%; }
  .more { margin-top: 18px; font-family: var(--mono); font-size: 14px; }

  /* creds */
  .creds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
  @media (max-width: 760px) { .creds { grid-template-columns: 1fr; } }
  .creds h3 { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 0 0 14px; font-weight: 500; }
  .creds ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
  .creds li b { font-weight: 600; display: block; }
  .creds li span { color: var(--muted); font-size: .92rem; }
  .creds li .level { display: inline; font-weight: 400; }
  .level { font-family: var(--mono); font-size: 12px; color: var(--sonar); margin-left: 6px; }

  /* contact */
  .contact { padding-block: 72px; border-bottom: 0; }
  .contact h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); max-width: 24ch; text-wrap: balance; }
  .contact p { color: var(--muted); max-width: 55ch; }
  .email-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; }
  .email { font-family: var(--mono); font-size: clamp(15px, 2.4vw, 20px); color: var(--text); background: var(--shelf); border: 1px solid var(--line); padding: 10px 14px; border-radius: 4px; user-select: all; word-break: break-all; }
  #copy-status { font-family: var(--mono); font-size: 13px; color: var(--contour); min-height: 1.2em; }
  footer { padding-block: 28px; font-family: var(--mono); font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); }

  @media (prefers-reduced-motion: reduce) {
    .cursor { animation: none; }
    .repo { transition: none; }
  }