/* Native CSS portfolio. Design variance 5, motion 3, density 4.
   One teal accent; 12px content panels, 6px controls, round portrait.
   z-index: sidebar 10, skip navigation 20. */
:root {
  color-scheme: light;
  --page: #fafbf9;
  --sidebar: #eef2ef;
  --surface: #ffffff;
  --soft: #f1f5f2;
  --text: #202c29;
  --muted: #59665f;
  --line: #d8e1da;
  --accent: #256553;
  --accent-soft: #e2eee7;
  --on-accent: #ffffff;
  --radius: 12px;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #141d1a;
  --sidebar: #1a2621;
  --surface: #1c2823;
  --soft: #223129;
  --text: #e8eee9;
  --muted: #acbcb2;
  --line: #35483d;
  --accent: #9acdb0;
  --accent-soft: #2c4437;
  --on-accent: #14231b;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #141d1a; --sidebar: #1a2621; --surface: #1c2823;
    --soft: #223129; --text: #e8eee9; --muted: #acbcb2;
    --line: #35483d; --accent: #9acdb0; --accent-soft: #2c4437;
    --on-accent: #14231b;
  }
}
* { box-sizing: border-box; }
html { scroll-padding-top: 32px; }
body { margin: 0; background: var(--page); color: var(--text); font-family: "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
button { cursor: pointer; }
button:active, .button:active { transform: translateY(1px); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.2; }
h2 { font-size: clamp(28px, 3vw, 35px); letter-spacing: -1.1px; font-weight: 650; }
h3 { font-size: 23px; letter-spacing: -.6px; font-weight: 650; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 20; padding: 10px 18px; background: var(--accent); color: var(--on-accent); }
.skip-link:focus { top: 16px; }
.sidebar { width: 256px; position: fixed; inset: 0 auto 0 0; background: var(--sidebar); border-right: 1px solid var(--line); padding: 48px 30px 28px; display: flex; flex-direction: column; z-index: 10; overflow-y: auto; }
.identity { text-decoration: none; width: fit-content; }
.avatar { width: 112px; height: 112px; object-fit: cover; border-radius: 50%; border: 5px solid var(--page); margin-bottom: 22px; }
.identity-name { font-size: 28px; font-weight: 700; letter-spacing: -1px; line-height: 1.1; display: block; }
.alias { display: block; font-size: 15px; letter-spacing: 0; font-weight: 450; color: var(--muted); margin-top: 7px; }
.role { font-size: 14px; margin-top: 18px; color: var(--muted); }
nav { display: grid; gap: 6px; margin-top: 44px; }
nav a { text-decoration: none; padding: 10px 14px; margin-left: -14px; border-radius: 6px; font-size: 15px; }
nav a:hover { background: var(--soft); }
nav a[aria-current] { background: var(--accent-soft); color: var(--accent); font-weight: 650; }
.sidebar-bottom { margin-top: auto; padding-top: 56px; }
.social-links { display: flex; gap: 20px; font-size: 13px; }
.social-links a { text-decoration: none; }
.theme-toggle { margin-top: 24px; color: var(--muted); padding: 7px 10px; background: transparent; border: 1px solid var(--line); border-radius: 6px; font-size: 12px; }
main { max-width: 1512px; margin-left: 256px; padding: 70px clamp(28px, 5vw, 88px) 28px; }
.intro { padding-bottom: 32px; }
.eyebrow { font-size: 12px; letter-spacing: 1.8px; text-transform: uppercase; color: var(--accent); font-weight: 650; margin-bottom: 20px; }
h1 { font-size: clamp(34px, 4.2vw, 59px); font-weight: 600; letter-spacing: -2.5px; max-width: 900px; line-height: 1.14; }
.intro-lead { max-width: 630px; color: var(--muted); font-size: 19px; line-height: 1.65; margin-top: 24px; }
.intro-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-top: 28px; }
.button { display: inline-flex; gap: 22px; align-items: center; justify-content: center; border-radius: 6px; text-decoration: none; padding: 12px 19px; font-size: 14px; font-weight: 600; white-space: nowrap; }
.primary { background: var(--accent); color: var(--on-accent); }
.primary:hover { color: var(--on-accent); filter: brightness(.94); }
.text-link { color: var(--accent); font-size: 14px; font-weight: 600; text-decoration-thickness: 1px; }
.about-note { display: grid; grid-template-columns: 1.3fr 1fr; gap: 36px; max-width: 1060px; border-top: 1px solid var(--line); padding-top: 25px; color: var(--muted); font-size: 14px; }
.about-note strong { color: var(--text); font-weight: 550; }
.section { padding-top: 74px; }
.section-heading { margin-bottom: 28px; }
.section-heading p { margin-top: 12px; color: var(--muted); font-size: 15px; max-width: 650px; }
.heading-mark { color: var(--accent); }
.project-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 26px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filters button { padding: 8px 13px; border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 6px; font-size: 12px; }
.filters button[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
#project-count { font-size: 12px; color: var(--muted); white-space: nowrap; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.project { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; display: flex; flex-direction: column; }
.project-visual { position: relative; aspect-ratio: 16/9; background: var(--soft); overflow: hidden; display: grid; align-items: center; }
.project-visual img { width: 100%; height: 100%; object-fit: cover; }
.project-body { padding: 24px; display: flex; flex: 1; flex-direction: column; }
.project-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; justify-content: space-between; color: var(--muted); font-size: 11px; margin-bottom: 11px; }
.project-category { color: var(--accent); font-weight: 600; }
.project h3 a { text-decoration: none; }
.project-description { color: var(--muted); margin-top: 14px; font-size: 14px; }
.project-evidence { border-left: 2px solid var(--accent); padding-left: 12px; margin-top: 18px; font-size: 12px; color: var(--text); }
.stack { display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 0; margin: 20px 0; list-style: none; color: var(--muted); font-size: 11px; }
.project-links { display: flex; flex-wrap: wrap; gap: 12px 23px; padding-top: 2px; margin-top: auto; }
.project-links a { font-size: 13px; font-weight: 650; color: var(--accent); text-decoration: none; }
.project-links a:hover { text-decoration: underline; }
.directory-link { margin-top: 28px; text-align: right; }
.evidence-visual { padding: 20px 26px; font-size: 12px; }
.evidence-visual table { border-collapse: collapse; width: 100%; }
.evidence-visual caption { text-align: left; color: var(--accent); font-size: 13px; font-weight: 650; padding-bottom: 10px; }
.evidence-visual th { text-align: left; color: var(--muted); font-size: 10px; font-weight: 500; padding: 4px 0; }
.evidence-visual td { padding: 5px 0; }
.evidence-visual td:last-child, .evidence-visual th:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.gaze-visual { padding: 24px; }
.gaze-visual p { font-size: 13px; color: var(--accent); font-weight: 650; }
.gaze-visual ol { margin: 18px 0 0; padding: 0; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.gaze-visual li { font-size: 13px; line-height: 1.4; text-align: center; }
.gaze-visual li small { display: block; color: var(--muted); font-size: 10px; margin-top: 6px; }
.gaze-visual li.arrow { color: var(--accent); }
.status { font-size: 12px; color: var(--accent); font-weight: 650; }
.research-feature { background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.research-copy { padding: 32px 36px 0; }
.research-copy h3 { margin: 12px 0 17px; font-size: 28px; max-width: 700px; }
.research-copy p { max-width: 810px; color: var(--muted); font-size: 15px; }
.research-copy .research-takeaway { color: var(--text); margin-top: 15px; font-weight: 550; }
.research-copy .project-links { margin-top: 23px; }
.research-feature figure { margin: 30px 36px; }
.research-feature figure img { width: 100%; border-radius: 6px; }
figcaption { color: var(--muted); font-size: 12px; margin-top: 12px; max-width: 780px; }
.background-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 55px; }
.background-grid h3 { font-size: 21px; }
.background-grid p { font-size: 14px; color: var(--muted); margin: 12px 0 20px; }
.background-grid .degree { color: var(--accent); margin-top: 8px; }
.skills { margin: 0; }
.skills div + div { margin-top: 18px; }
.skills dt { font-size: 13px; font-weight: 650; }
.skills dd { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.more-work { border-top: 1px solid var(--line); margin-top: 38px; padding-top: 22px; }
.more-work summary { font-size: 15px; font-weight: 550; cursor: pointer; display: flex; justify-content: space-between; list-style: none; }
.more-work summary::-webkit-details-marker { display: none; }
.more-work[open] summary > span { transform: rotate(45deg); }
.more-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px 36px; padding-top: 28px; }
.more-grid a { text-decoration: none; }
.more-grid strong { display: block; font-size: 14px; font-weight: 600; }
.more-grid a > span { display: block; font-size: 13px; color: var(--muted); margin-top: 5px; }
.contact { margin-top: 64px; padding: 40px 0; border-top: 1px solid var(--line); }
.contact h2 { font-size: clamp(27px, 3vw, 34px); }
.contact p { color: var(--muted); font-size: 15px; margin: 17px 0 23px; max-width: 650px; }
footer { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 24px; display: flex; justify-content: space-between; gap: 16px; font-size: 12px; color: var(--muted); }
footer a { text-decoration: none; }
@media (min-width: 1600px) { main { margin-right: auto; } }
@media (max-width: 1100px) {
  .sidebar { width: 220px; padding: 36px 24px 24px; }
  main { margin-left: 220px; padding: 52px 32px 28px; }
  h1 { font-size: 42px; letter-spacing: -1.7px; }
  .project-toolbar { align-items: flex-start; }
  #project-count { display: none; }
  .project-body { padding: 21px; }
  .evidence-visual { padding: 15px; }
}
@media (max-width: 767px) {
  html { scroll-padding-top: 20px; }
  .sidebar { position: static; width: 100%; padding: 24px; display: block; border-right: 0; border-bottom: 1px solid var(--line); }
  .identity { display: flex; align-items: center; gap: 16px; }
  .avatar { width: 66px; height: 66px; margin: 0; border-width: 3px; }
  .identity-name { font-size: 25px; }
  .alias { display: inline; font-size: 13px; margin-left: 9px; }
  .role { margin: 8px 0 0 82px; font-size: 12px; }
  nav { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 4px; }
  nav a { margin: 0; font-size: 12px; padding: 8px 12px; }
  .sidebar-bottom { padding: 0; margin-top: 18px; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
  .social-links { font-size: 12px; }
  .theme-toggle { margin: 0; font-size: 11px; }
  main { margin-left: 0; padding: 38px 22px 22px; }
  .eyebrow { font-size: 10px; margin-bottom: 16px; }
  h1 { font-size: clamp(29px, 6vw, 43px); letter-spacing: -1.3px; }
  .intro-lead { font-size: 16px; margin-top: 20px; }
  .intro-actions { margin-top: 23px; }
  .about-note, .background-grid, .more-grid { grid-template-columns: 1fr; gap: 20px; }
  .section { padding-top: 50px; }
  .project-grid { grid-template-columns: 1fr; gap: 24px; }
  .filters { gap: 7px; }
  .filters button { font-size: 11px; padding: 8px 11px; }
  .project-body { padding: 24px; }
  .project-visual { aspect-ratio: 16/9; }
  .evidence-visual { padding: 22px 26px; }
  .research-copy { padding: 26px 22px 0; }
  .research-copy h3 { font-size: 24px; }
  .research-feature figure { margin: 24px 16px; }
  .research-feature figcaption { padding: 0 6px; }
  .contact { margin-top: 45px; padding-top: 30px; }
  .background-grid { gap: 30px; }
  footer { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .button, .filters button, nav a { transition: background-color 150ms, color 150ms, transform 150ms; }
  .project { transition: transform 180ms, border-color 180ms; }
  .project:hover { transform: translateY(-3px); border-color: var(--accent); }
}