:root {
      --max: 1040px;
      --radius: 14px;
      --radius-sm: 10px;
      --shadow: 0 12px 36px rgba(0,0,0,.30);

      /* Dark (default) */
      --bg: #0b0c10;
      --surface: #111218;
      --surface-2: #171926;
      --text: #e8eef7;
      --muted: #aeb7c7;
      --border: rgba(255,255,255,.10);
      --accent: #00bfa6;
      --accent-2: #14d7bc;
      --chip: rgba(0,191,166,.12);

      /* Compatibility helpers (avoid color-mix dependency) */
      --topbar-bg: rgba(11,12,16,.78);
      --mobile-nav-bg: rgba(11,12,16,.76);
      --surface-soft: rgba(17,18,24,.86);
      --card-bg: rgba(17,18,24,.88);
      --card-bg-2: rgba(23,25,38,.82);
      --text-soft: rgba(232,238,247,.88);
      --accent-border: rgba(0,191,166,.45);
      --focus: rgba(0,191,166,.55);
    }

    @media (prefers-color-scheme: light) {
      :root {
        --bg: #fbfbfd;
        --surface: #ffffff;
        --surface-2: #f4f6fb;
        --text: #0f172a;
        --muted: #475569;
        --border: rgba(15,23,42,.12);
        --accent: #0a9484;
        --accent-2: #0bb39f;
        --chip: rgba(10,148,132,.10);
        --shadow: 0 12px 36px rgba(2,6,23,.12);

        --topbar-bg: rgba(251,251,253,.82);
        --mobile-nav-bg: rgba(251,251,253,.80);
        --surface-soft: rgba(255,255,255,.86);
        --card-bg: rgba(255,255,255,.92);
        --card-bg-2: rgba(244,246,251,.92);
        --text-soft: rgba(15,23,42,.88);
        --accent-border: rgba(10,148,132,.45);
        --focus: rgba(10,148,132,.45);
      }
    }

    html[data-theme="dark"] {
      --bg: #0b0c10;
      --surface: #111218;
      --surface-2: #171926;
      --text: #e8eef7;
      --muted: #aeb7c7;
      --border: rgba(255,255,255,.10);
      --accent: #00bfa6;
      --accent-2: #14d7bc;
      --chip: rgba(0,191,166,.12);
      --shadow: 0 12px 36px rgba(0,0,0,.30);

      --topbar-bg: rgba(11,12,16,.78);
      --mobile-nav-bg: rgba(11,12,16,.76);
      --surface-soft: rgba(17,18,24,.86);
      --card-bg: rgba(17,18,24,.88);
      --card-bg-2: rgba(23,25,38,.82);
      --text-soft: rgba(232,238,247,.88);
      --accent-border: rgba(0,191,166,.45);
      --focus: rgba(0,191,166,.55);
    }

    html[data-theme="light"] {
      --bg: #fbfbfd;
      --surface: #ffffff;
      --surface-2: #f4f6fb;
      --text: #0f172a;
      --muted: #475569;
      --border: rgba(15,23,42,.12);
      --accent: #0a9484;
      --accent-2: #0bb39f;
      --chip: rgba(10,148,132,.10);
      --shadow: 0 12px 36px rgba(2,6,23,.12);

      --topbar-bg: rgba(251,251,253,.82);
      --mobile-nav-bg: rgba(251,251,253,.80);
      --surface-soft: rgba(255,255,255,.86);
      --card-bg: rgba(255,255,255,.92);
      --card-bg-2: rgba(244,246,251,.92);
      --text-soft: rgba(15,23,42,.88);
      --accent-border: rgba(10,148,132,.45);
      --focus: rgba(10,148,132,.45);
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      background: radial-gradient(1200px 800px at 15% -10%, rgba(0,191,166,.18), transparent 55%),
                  radial-gradient(900px 600px at 85% 0%, rgba(0,191,166,.10), transparent 50%),
                  var(--bg);
      color: var(--text);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    a { color: var(--accent); text-decoration: none; }
    a:hover { text-decoration: underline; }

    .skip-link {
      position: absolute;
      left: -999px;
      top: 12px;
      background: var(--surface);
      color: var(--text);
      padding: .6rem .8rem;
      border: 1px solid var(--border);
      border-radius: 10px;
      box-shadow: var(--shadow);
      z-index: 9999;
    }
    .skip-link:focus { left: 12px; }

    .container {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    /* Top nav */
    .topbar {
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(10px);
      background: var(--topbar-bg);
      border-bottom: 1px solid var(--border);
    }

    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: .85rem 0;
    }

    .topbar-actions {
      display: inline-flex;
      align-items: center;
      gap: .6rem;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: .75rem;
      min-width: 220px;
    }

    .brand-badge {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, rgba(0,191,166,.25), rgba(0,191,166,.06));
      border: 1px solid var(--border);
      color: var(--accent);
      font-weight: 800;
      letter-spacing: -0.03em;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    .brand-text strong { font-size: .95rem; }
    .brand-text span { font-size: .8rem; color: var(--muted); }

    .nav {
      display: flex;
      align-items: center;
      gap: .95rem;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .nav a {
      color: var(--muted);
      font-size: .92rem;
      padding: .35rem .3rem;
      border-radius: 8px;
    }
    .nav a:hover { color: var(--text); text-decoration: none; }

    .theme-toggle {
      border: 1px solid var(--border);
      background: var(--surface);
      color: var(--text);
      padding: .45rem .65rem;
      border-radius: 10px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: .55rem;
      font-size: .9rem;
      box-shadow: none;
    }
    .theme-toggle:hover { border-color: var(--accent-border); }

    .menu-toggle {
      border: 1px solid var(--border);
      background: var(--surface);
      color: var(--text);
      padding: .45rem .65rem;
      border-radius: 10px;
      cursor: pointer;
      display: none;
      align-items: center;
      gap: .55rem;
      font-size: .9rem;
      box-shadow: none;
      white-space: nowrap;
    }
    .menu-toggle:hover { border-color: var(--accent-border); }

    .mobile-nav {
      border-bottom: 1px solid var(--border);
      background: var(--mobile-nav-bg);
      backdrop-filter: blur(10px);
    }

    .mobile-nav[hidden] { display: none; }

    .mobile-nav a {
      display: block;
      padding: .75rem 0;
      color: var(--muted);
      border-top: 1px solid var(--border);
    }
    .mobile-nav a:hover { color: var(--text); text-decoration: none; }

    /* Hero */
    .hero {
      padding: 3.25rem 0 1.25rem;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.6fr .9fr;
      gap: 2.25rem;
      align-items: center;
    }

    .hero h1 {
      margin: 0 0 .55rem;
      letter-spacing: -0.04em;
      font-size: clamp(2rem, 4vw, 3rem);
      line-height: 1.1;
    }

    .hero .headline {
      margin: 0 0 .9rem;
      color: var(--muted);
      font-size: 1.05rem;
    }

    .hero .summary {
      margin: 0 0 1.35rem;
      font-size: 1.05rem;
    }

    .cta {
      display: flex;
      gap: .8rem;
      flex-wrap: wrap;
      align-items: center;
      margin: 0 0 1rem;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .55rem;
      padding: .65rem .95rem;
      border-radius: 12px;
      border: 1px solid var(--border);
      background: var(--surface);
      color: var(--text);
      font-weight: 650;
      text-decoration: none;
      cursor: pointer;
    }

    .btn:hover { text-decoration: none; border-color: var(--accent-border); }

    .btn.primary {
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      border-color: transparent;
      color: #031b16;
    }

    .btn.primary:hover { filter: brightness(1.03); }

    .links {
      display: flex;
      flex-wrap: wrap;
      gap: .75rem;
      align-items: center;
      color: var(--muted);
      font-size: .95rem;
    }

    .links a {
      padding: .25rem .45rem;
      border-radius: 10px;
      background: transparent;
      border: 1px solid transparent;
    }

    .links a:hover {
      border-color: var(--border);
      text-decoration: none;
    }

    .photo {
      background: linear-gradient(180deg, var(--surface), var(--surface-2));
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 1rem;
      box-shadow: var(--shadow);
    }

    .photo img {
      width: 100%;
      height: auto;
      border-radius: 18px;
      display: block;
      object-fit: cover;
      aspect-ratio: 1 / 1;
    }

    /* Sections */
    main { padding-bottom: 3.5rem; }

    section {
      padding: 2.5rem 0;
    }

    .section-title {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 1rem;
      margin: 0 0 1.25rem;
    }

    h2 {
      margin: 0;
      font-size: 1.35rem;
      letter-spacing: -0.02em;
    }

    .section-note {
      color: var(--muted);
      font-size: .95rem;
      margin: 0;
    }

    .surface {
      background: var(--surface-soft);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.25rem;
      box-shadow: var(--shadow);
    }

    .grid {
      display: grid;
      gap: 1rem;
    }

    .grid.two {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid.three {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.1rem;
    }

    .card h3 {
      margin: 0 0 .55rem;
      font-size: 1.05rem;
      letter-spacing: -0.02em;
    }

    .card p {
      margin: 0 0 .85rem;
      color: var(--text-soft);
      font-size: .98rem;
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: .45rem;
      margin-top: .1rem;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      padding: .35rem .55rem;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: var(--chip);
      color: var(--text);
      font-size: .85rem;
      white-space: nowrap;
    }

    .metrics {
      margin-top: 1.15rem;
    }

    .metric {
      display: grid;
      gap: .15rem;
      padding: 1rem;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      background: var(--card-bg-2);
    }

    .metric strong {
      font-size: 1.2rem;
      letter-spacing: -0.02em;
    }

    .metric span {
      color: var(--muted);
      font-size: .92rem;
    }

    /* Lists */
    .list {
      margin: 0;
      padding-left: 1.05rem;
      color: var(--text-soft);
    }

    .list li { margin: .35rem 0; }

    .pubs {
      display: grid;
      gap: .75rem;
      margin-top: .75rem;
    }

    .pub {
      padding: 1rem;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      background: var(--card-bg);
    }

    .pub .title { font-weight: 750; }
    .pub .meta { color: var(--muted); font-size: .95rem; margin-top: .2rem; }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      font-size: .92rem;
      color: var(--muted);
      margin-bottom: .65rem;
    }

    .kicker .dot {
      width: 6px;
      height: 6px;
      border-radius: 99px;
      background: var(--accent);
      display: inline-block;
    }

    /* Contact */
    .contact {
      display: grid;
      gap: 1rem;
      align-items: start;
    }

    .contact .btn { justify-content: flex-start; }

    footer {
      border-top: 1px solid var(--border);
      color: var(--muted);
      padding: 1.5rem 0;
      font-size: .92rem;
    }


/* CTA: Start a conversation (pill style) */
.btn.conversation {
  background: #74d7ca;
  color: #041f1b;
  border-color: transparent;
  border-radius: 999px;
  padding: .78rem 1.2rem;
  font-weight: 800;
  font-size: 1.05rem;
}
.btn.conversation:hover { text-decoration: none; filter: brightness(1.03); }

/* Expandable experience */
details.exp-details {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-soft);
  box-shadow: var(--shadow);
  overflow: hidden;
}

details.exp-details summary {
  cursor: pointer;
  padding: 1rem 1.1rem;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text);
  font-weight: 650;
}

details.exp-details summary::-webkit-details-marker { display: none; }

details.exp-details summary .muted {
  color: var(--muted);
  font-weight: 500;
  font-size: .92rem;
}

details.exp-details summary:after {
  content: "＋";
  color: var(--muted);
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1;
}

details.exp-details[open] summary:after { content: "−"; }

.exp-details .exp-more {
  padding: 1rem 1.1rem 1.1rem;
  border-top: 1px solid var(--border);
}

.exp-compact {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.exp-compact .role { margin: 0; }
.exp-compact .meta { margin: 0; color: var(--muted); font-size: .95rem; }

    /* Responsive */
    @media (max-width: 900px) {
      .hero-grid { grid-template-columns: 1fr; }
      .brand { min-width: auto; }
      .grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 640px) {
      .nav { display: none; }
      .menu-toggle { display: inline-flex; }
      .grid.two { grid-template-columns: 1fr; }
      .grid.three { grid-template-columns: 1fr; }
      .hero { padding-top: 2.3rem; }
    }

    /* Focus styles */
    :focus-visible {
      outline: 3px solid var(--focus);
      outline-offset: 2px;
      border-radius: 10px;
    }