:root {
  --bg: #fbfaf5;
  --paper: #fffefb;
  --fg: #0d0d0d;
  --fg-2: #2a2a2a;
  --muted: #6e6a64;
  --line: #e6e1d4;
  --blue: #1c8ce8;
  --blue-dark: #1370c2;
  --blue-link: #1370c2;
  --yellow: #ffe16b;
  --yellow-deep: #f5c81a;
  --orange: #ea580c;
  --orange-deep: #c2410c;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga", "tnum";
}

a {
  color: var(--blue-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color .12s ease;
}

a:hover { color: var(--orange); }

::selection { background: var(--blue); color: #fff; }

img { display: block; max-width: 100%; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* CURSOR */
@media (hover: hover) and (pointer: fine) {
  html, body, *, *::before, *::after { cursor: none !important; }
  .cursor {
    position: fixed; top: 0; left: 0;
    width: 8px; height: 8px;
    margin: -4px 0 0 -4px;
    border-radius: 50%;
    background: var(--blue);
    pointer-events: none;
    z-index: 9999;
    transition: width .18s ease, height .18s ease, margin .18s ease, background .18s ease, box-shadow .18s ease;
    will-change: transform;
    mix-blend-mode: multiply;
  }
  .cursor.hover {
    width: 32px; height: 32px;
    margin: -16px 0 0 -16px;
    background: transparent;
    box-shadow: inset 0 0 0 1.5px var(--orange);
  }
  /* over the blue nav: same as the regular hover ring (transparent center + orange ring),
     but with no blend mode so the orange stays orange on blue */
  .cursor.on-nav {
    width: 26px; height: 26px;
    margin: -13px 0 0 -13px;
    background: transparent;
    box-shadow: 0 0 0 1.5px var(--orange);
    mix-blend-mode: normal;
  }
  .cursor.on-nav.hover {
    width: 32px; height: 32px;
    margin: -16px 0 0 -16px;
  }
  .cursor.click { transform: scale(0.55); }
}

/* TOP NAV — compact */
.topnav {
  background: var(--blue);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 8px 28px 10px;
  font-size: 15px;
  font-weight: 500;
}

.topnav > a {
  color: #fff;
  text-decoration: none;
  padding: 2px 0;
  letter-spacing: -0.005em;
  border-bottom: 1px solid transparent;
}

.topnav > a:hover { color: #fff; border-bottom-color: var(--yellow); }

.topnav .current { position: relative; }
.topnav .current::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  background: var(--yellow);
  border-radius: 50%;
}

@media (max-width: 700px) {
  .topnav { padding: 8px 18px 10px; gap: 14px; font-size: 14px; flex-wrap: wrap; }
}

/* BRUSHSTROKE */
.brush {
  display: block;
  width: 100%;
  height: 20px;
  margin-top: -1px;
}

/* FRAME */
.frame {
  max-width: 840px;
  margin: 0 auto;
  padding: 44px 36px 72px;
}

@media (max-width: 700px) {
  .frame { padding: 26px 22px 60px; }
  body { font-size: 16px; }
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 64px 1fr;
  column-gap: 22px;
  row-gap: 16px;
  margin-bottom: 64px;
  align-items: start;
}

.avatar-wrap {
  display: block;
  grid-row: 1 / span 2;
  text-decoration: none;
  border-bottom: none !important;
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
}

.avatar-wrap:hover { transform: rotate(-4deg); }

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--fg);
  background: var(--paper);
}

.intro {
  margin: 0;
  font-size: 19px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  align-self: center;
  color: var(--fg);
}

.intro .name {
  font-weight: 600;
  color: var(--fg);
  background: linear-gradient(transparent 86%, #d24336 86%, #d24336 100%);
  padding: 0 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.links {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  display: grid;
  grid-template-columns: 32px 1fr;
  column-gap: 16px;
  row-gap: 12px;
  font-size: 16.5px;
  line-height: 1.5;
}

.links dt {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 24px;
}

.links dd { margin: 0; align-self: center; color: var(--fg-2); }

@media (max-width: 540px) {
  .hero { grid-template-columns: 48px 1fr; column-gap: 14px; margin-bottom: 48px; }
  .avatar { width: 48px; height: 48px; }
  .intro { font-size: 17px; }
  .links { font-size: 15.5px; grid-template-columns: 28px 1fr; column-gap: 12px; }
}

/* SECTIONS */
section { margin-bottom: 56px; }

h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--fg);
  line-height: 1.1;
}

h2 span {
  background: linear-gradient(transparent 60%, var(--yellow) 60%, var(--yellow) 92%, transparent 92%);
  padding: 0 4px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* PAPERS */
.pubs { list-style: none; padding: 0; margin: 0; }

.pubs li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}

.pubs li:first-child { border-top: none; padding-top: 6px; }
.pubs li:last-child { border-bottom: 1px solid var(--line); }

.pubs .yr {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}

.pubs .ptitle {
  font-size: 17px;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  line-height: 1.36;
  letter-spacing: -0.012em;
  border-bottom: 1px solid transparent;
}

.pubs .ptitle:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange-deep);
}

.pubs .pauthors {
  font-size: 14px;
  color: var(--fg-2);
  margin-top: 6px;
  line-height: 1.45;
}

.pubs .pvenue {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 3px;
  line-height: 1.4;
  font-style: italic;
}

.pubs .paction {
  font-family: var(--mono);
  font-style: normal;
  font-size: 12px;
  color: var(--blue-link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.pubs .paction:hover {
  color: var(--orange);
}

@media (max-width: 540px) {
  .pubs li { grid-template-columns: 1fr; gap: 4px; }
  .pubs .yr { order: -1; }
}

/* PROJECTS */
.projects { list-style: none; padding: 0; margin: 0; }
.projects > li { border-top: 1px solid var(--line); }
.projects > li:first-child { border-top: none; }
.projects > li:last-of-type { border-bottom: 1px solid var(--line); }

.projects details summary {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto 28px;
  column-gap: 16px;
  row-gap: 3px;
  padding: 14px 0;
  align-items: baseline;
  list-style: none;
}

.projects > li:first-child details summary { padding-top: 6px; }

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

.projects .pthumb {
  grid-row: 1 / span 2;
  grid-column: 1;
  width: 56px;
  height: 42px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 1px;
  align-self: center;
  background: var(--line);
  transition: transform .2s ease, border-color .15s ease;
}

.projects details[open] .pthumb { border-color: var(--orange-deep); }
.projects summary:hover .pthumb { border-color: var(--orange-deep); transform: scale(1.02); }

.projects .pname {
  grid-column: 2;
  grid-row: 1;
  font-size: 17px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.008em;
}

.projects details summary:hover .pname { color: var(--orange-deep); }
.projects details[open] .pname { color: var(--orange-deep); }

.projects .ptag {
  grid-column: 3;
  grid-row: 1;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
  padding-top: 3px;
}

.projects .pdesc {
  grid-column: 2 / span 2;
  grid-row: 2;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.projects .ptoggle {
  grid-row: 1 / span 2;
  grid-column: 4;
  align-self: center;
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  font-weight: 400;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), color .15s ease;
  user-select: none;
}

.projects details[open] .ptoggle {
  transform: rotate(45deg);
  color: var(--orange-deep);
}

.projects details summary:hover .ptoggle { color: var(--orange-deep); }

.pmedia { padding: 4px 0 24px 72px; }
@media (max-width: 540px) { .pmedia { padding-left: 0; } }
.pmedia a { display: block; border-bottom: none !important; }
.pmedia img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--line);
}

.pmedia.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 480px) { .pmedia.gallery { grid-template-columns: 1fr; } }

@media (max-width: 480px) {
  .projects details summary { grid-template-columns: 56px minmax(0,1fr) 22px; column-gap: 12px; }
  .projects .pthumb { width: 50px; height: 38px; }
  .projects .ptag { display: none; }
  .projects .ptoggle { grid-column: 3; }
  .projects .pdesc { grid-column: 2 / span 2; }
  .pmedia { padding-left: 0; }
}

.pmedia video {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #000;
}

.intro br + * { margin-top: 0; }

.more { margin: 24px 0 0; font-size: 14.5px; }
.more a { color: var(--blue-link); }
.more a:hover { color: var(--orange); }

/* FOOTER */
footer {
  margin-top: 64px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
}

footer p { margin: 0; }

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

/* BLOG (coming soon) */
.soon {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 24px 0;
}
.soon-only {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--muted);
  margin: 0;
}