/* Layout: minimal; a narrow text column on the landing page, a 72rem column for the list pages. */
:root {
  --bg: #f2f4f6;
  --surface: #ffffff;
  --ink: #131921;
  --muted: #586472;
  --line: #d5dbe2;
  --accent: #1d58b8;      /* spin down / links */
  --accent-ink: #ffffff;
  --warm: #b8352a;        /* secondary mark, used sparingly */
  --tint: #e5ebf3;

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3rem;
  --step-2: 1.75rem;
  --step-3: clamp(2.1rem, 4.6vw, 3.4rem);
  --wrap: 72rem;
  --radius: 6px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1116; --surface: #151b22; --ink: #e5eaf0; --muted: #98a4b2;
    --line: #29323c; --accent: #6ea3ff; --accent-ink: #0d1116; --warm: #f06b5c; --tint: #1a2330;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1116; --surface: #151b22; --ink: #e5eaf0; --muted: #98a4b2;
  --line: #29323c; --accent: #6ea3ff; --accent-ink: #0d1116; --warm: #f06b5c; --tint: #1a2330;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 {
  font-family: var(--f-display);
  font-stretch: 112%;
  line-height: 1.1;
  text-wrap: balance;
  margin: 0;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--step-3); font-weight: 750; }
h2 { font-size: var(--step-2); font-weight: 700; }
h3 { font-size: var(--step-1); font-weight: 650; font-stretch: 100%; }
p { margin: 0; }
.mono, code { font-family: var(--f-mono); font-size: 0.9em; }
.eyebrow {
  font-family: var(--f-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.muted { color: var(--muted); }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: max(16px, 4vw); }
.prose { max-width: 40rem; }

/* header */
.site-head {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.8rem; flex-wrap: wrap; }
.brand { font-family: var(--f-display); font-weight: 700; font-stretch: 112%; color: var(--ink); text-decoration: none; font-size: 1.05rem; display: flex; align-items: center; gap: 0.55rem; }
.brand svg { flex: none; }
.logo-c { fill: var(--accent); }
.nav { display: flex; gap: 0.2rem 1.2rem; flex-wrap: wrap; font-family: var(--f-display); font-size: 0.95rem; margin-left: auto; }
.social { display: flex; align-items: center; gap: 0.6rem; margin-left: 1.75rem; }
.icon-btn { display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: var(--radius); color: var(--muted); background: transparent; border: 0; padding: 0; cursor: pointer; }
.icon-btn:hover { color: var(--ink); background: var(--tint); }
.theme-toggle { margin-left: 0.4rem; }
@media (max-width: 640px) {
  .social { margin-left: 1rem; gap: 0.3rem; }
  .theme-toggle { margin-left: auto; }
  .nav { order: 3; flex-basis: 100%; margin-left: 0; }
}

/* theme-dependent elements: light by default, swapped wherever the dark palette applies */
.i-sun, .fig-dark { display: none !important; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .i-sun, :root:not([data-theme="light"]) .fig-dark { display: block !important; }
  :root:not([data-theme="light"]) .i-moon, :root:not([data-theme="light"]) .fig-light { display: none !important; }
}
:root[data-theme="dark"] .i-sun, :root[data-theme="dark"] .fig-dark { display: block !important; }
:root[data-theme="dark"] .i-moon, :root[data-theme="dark"] .fig-light { display: none !important; }
.nav a { color: var(--muted); text-decoration: none; padding-block: 0.2rem; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--f-display); font-weight: 600; font-size: 0.98rem;
  padding: 0.7rem 1.15rem; border-radius: var(--radius);
  text-decoration: none; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-ink);
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); filter: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* sections */
main { display: block; }
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section + .section { padding-top: 0; }
.section-head { display: grid; gap: 0.6rem; margin-bottom: 2.2rem; max-width: 46rem; }
.page-head { padding-block: clamp(2.5rem, 6vw, 4.5rem) 2rem; display: grid; gap: 1rem; }
.page-head p { max-width: 42rem; color: var(--muted); font-size: 1.12rem; }

/* landing: one narrow column, text only */
.min { max-width: var(--wrap); padding-block: clamp(3rem, 8vw, 5rem) 2rem; display: grid; gap: clamp(3rem, 7vw, 4.5rem); }
.min-hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 3.5rem); align-items: center; }
.min-hero-text { display: grid; gap: 1.2rem; min-width: 0; }
.min-hero-text { container-type: inline-size; }
.hero-h1 { font-size: clamp(1.5rem, 9cqi, 3.4rem); }
.hero-h1 span { display: block; white-space: nowrap; }
.hero-inner { width: fit-content; max-width: 100%; display: grid; gap: 1.2rem; }
.hero-inner .lede { contain: inline-size; }
.hero-inner .btn-row { justify-content: center; gap: 0.75rem; margin-top: 1.4rem; }
@media (min-width: 861px) { .hero-inner .btn-row { padding-right: 4rem; } }
.min-fig { margin: 0; display: grid; gap: 0.6rem; min-width: 0; }
.min-fig img { display: block; width: 100%; height: auto; }
.min-fig canvas { display: block; width: 100%; aspect-ratio: 1 / 0.92; max-width: 100%; cursor: grab; touch-action: pan-y; }
.min-fig canvas.dragging { cursor: grabbing; }
.min-fig figcaption { font-size: var(--step--1); color: var(--muted); line-height: 1.5; }
@media (max-width: 860px) { .min-hero { grid-template-columns: 1fr; } }
.min-hero .lede { font-size: 1.25rem; color: var(--muted); max-width: 48rem; }
.min-block { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: 1rem 2rem; border-top: 1px solid var(--line); padding-top: 1.4rem; }
.min-block > .eyebrow { font-weight: 400; padding-top: 0.25rem; }
.min-body { display: grid; gap: 1rem; min-width: 0; }
.min-list { margin: 0; display: grid; gap: 1.1rem; min-width: 0; }
.min-list dt { font-family: var(--f-display); font-weight: 650; }
.min-list dd { margin: 0.15rem 0 0; color: var(--muted); }
.min-links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; font-family: var(--f-display); }
@media (max-width: 600px) { .min-block { grid-template-columns: 1fr; gap: 0.8rem; } }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem); display: grid; gap: 1rem; min-width: 0; }
.toolbox { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag { font-family: var(--f-mono); font-size: 0.78rem; padding: 0.15rem 0.5rem; border-radius: 999px; background: var(--tint); color: var(--ink); white-space: nowrap; }

/* footer */
.site-foot { border-top: 1px solid var(--line); margin-top: 2rem; }
.site-foot .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-block: 1.8rem; font-size: 0.92rem; color: var(--muted); }
.site-foot nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.site-foot a { color: var(--muted); }

/* filters (research, cv) */
.toolbar { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; align-items: center; margin-bottom: 1.6rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  font-family: var(--f-display); font-size: 0.88rem; font-weight: 550;
  padding: 0.35rem 0.8rem; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chip .n { font-family: var(--f-mono); font-size: 0.75rem; opacity: 0.7; margin-left: 0.3rem; }
.search { font: inherit; font-size: 0.95rem; padding: 0.45rem 0.8rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); min-width: 0; width: 16rem; max-width: 100%; }
.toggle { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.95rem; color: var(--muted); cursor: pointer; }
.count { font-family: var(--f-mono); font-size: 0.85rem; color: var(--muted); margin-left: auto; }

/* publications */
.pubs { list-style: none; padding: 0; margin: 0; display: grid; }
.pub { display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: 1.2rem; padding-block: 1.1rem; border-top: 1px solid var(--line); }
.pub .yr { font-family: var(--f-mono); color: var(--muted); font-size: 0.9rem; padding-top: 0.2rem; font-variant-numeric: tabular-nums; }
.pub .body { display: grid; gap: 0.35rem; min-width: 0; }
.pub .venue { font-family: var(--f-display); font-weight: 650; font-size: 1.05rem; }
.pub .venue a { color: var(--ink); text-decoration: none; }
.pub .venue a:hover { color: var(--accent); }
.pub .authors { color: var(--muted); font-size: 0.97rem; }
.pub .authors b { color: var(--ink); font-weight: 600; }
.pub .meta { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.badge { font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.04em; padding: 0.12rem 0.45rem; border-radius: 3px; border: 1px solid var(--accent); color: var(--accent); }
.badge.alt { border-color: var(--warm); color: var(--warm); }

/* code */
.pkgs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.pkg { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; display: grid; gap: 0.8rem; align-content: start; min-width: 0; }
.pkg h3 { font-family: var(--f-mono); font-stretch: 100%; font-weight: 600; font-size: 1.1rem; letter-spacing: 0; overflow-wrap: anywhere; }
.pkg p { color: var(--muted); font-size: 0.98rem; }
.pkg .links { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; font-family: var(--f-display); font-size: 0.92rem; }
.install { display: flex; align-items: stretch; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg); }
.install code { flex: 1; padding: 0.5rem 0.75rem; overflow-x: auto; white-space: nowrap; min-width: 0; }
.install button { font-family: var(--f-display); font-size: 0.82rem; border: 0; border-left: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 0 0.8rem; cursor: pointer; }
.pkg.wide { grid-column: 1 / -1; }
@media (max-width: 760px) { .pkgs { grid-template-columns: 1fr; } }

/* cv */
.cv-side-id { display: grid; justify-items: center; align-content: space-between; align-self: stretch; gap: 1.2rem; }
.avatar { width: clamp(6.5rem, 18vw, 9.5rem); height: auto; aspect-ratio: 1; border-radius: 50%; object-fit: cover; flex: none; border: 1px solid var(--line); }
.cv-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: end; }
@media (max-width: 760px) { .cv-top { grid-template-columns: 1fr; } .cv-side-id { justify-items: start; } }
.timeline { list-style: none; margin: 0; padding: 0; display: grid; }
.entry { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 1.2rem; border-top: 1px solid var(--line); }
.entry .when { font-family: var(--f-mono); font-size: 0.85rem; color: var(--muted); padding-block: 1.05rem; font-variant-numeric: tabular-nums; }
.entry details { padding-block: 0.9rem; min-width: 0; }
.entry summary { cursor: pointer; list-style: none; display: grid; gap: 0.2rem; }
.entry summary::-webkit-details-marker { display: none; }
.entry summary .t { font-family: var(--f-display); font-weight: 650; font-size: 1.05rem; display: flex; gap: 0.6rem; align-items: baseline; flex-wrap: wrap; }
.entry summary .t::after { content: "+"; font-family: var(--f-mono); color: var(--muted); margin-left: auto; }
.entry details[open] summary .t::after { content: "−"; }
.entry details.static summary { cursor: default; }
.entry details.static summary .t::after { content: none; }
.entry .where { color: var(--muted); font-size: 0.97rem; }
.entry ul { margin: 0.7rem 0 0; padding-left: 1.1rem; display: grid; gap: 0.3rem; color: var(--ink); font-size: 0.98rem; }
.kind { font-family: var(--f-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; color: var(--muted); border: 1px solid var(--line); border-radius: 3px; padding: 0.05rem 0.35rem; }
@media (max-width: 560px) { .entry { grid-template-columns: 1fr; gap: 0; } .entry .when { padding-block: 0.9rem 0; } }
.cv-side { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; margin-top: 3rem; }
.cv-side .panel h3 { font-size: 1.05rem; }
.cv-side ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; font-size: 0.97rem; }
@media (max-width: 860px) { .cv-side { grid-template-columns: 1fr; } }

.empty { padding: 2rem 0; color: var(--muted); border-top: 1px solid var(--line); }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }