/* The illuminated lab bench.
   Palette drawn from the portfolio's own figures: every chart in the
   vault is navy #1d3b2f and rust #c1440e on white, so the page lives
   inside that world. Dark instrument sections, one warm paper band
   where the executed figures sit on their native white. */

:root {
  --ink: #101b16;
  --bench: #17251e;
  --bench-lift: #22352b;
  --paper: #f2ecd9;
  --paper-line: #d8cfb4;
  --text: #ece5d3;
  --text-dim: #98a595;
  --ink-on-paper: #243425;
  --dim-on-paper: #6b6a55;
  --navy: #7fa583;
  --rust: #c9a24b;
  --rust-soft: rgba(201, 162, 75, 0.14);
  --measure: 68ch;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.62;
}

h1, h2, h3, .serif {
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0;
}

a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 2px;
}

/* ---- nav ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.4rem;
  padding: 0.7rem clamp(1rem, 4vw, 3rem);
  background: rgba(16, 23, 38, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(236, 229, 211, 0.07);
  font-size: 0.88rem;
}
.nav .nav-sub { color: var(--text-dim); margin-right: auto; }
.nav .wordmark {
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 1.15rem;
  color: var(--text);
}
.nav a { color: var(--text-dim); }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav .gh {
  color: var(--text); border: 1px solid var(--bench-lift);
  padding: 0.3rem 0.8rem; border-radius: 999px;
}
.nav .gh:hover { border-color: var(--rust); }

/* ---- hero readout: a chromatograph trace naming the work ---- */
.readout { position: relative; height: 112px; max-width: 560px;
           margin-top: 0.4rem; }
.readout canvas { position: absolute; left: 0; right: 0; bottom: 0;
                  width: 100%; height: 54px; }
.readout .phrase { position: absolute; left: 0; top: 0;
                   font-size: clamp(1.05rem, 2.2vw, 1.35rem);
                   font-weight: 700; color: var(--rust);
                   opacity: 0; transition: opacity 300ms; }

/* ---- affiliation plates and publications ---- */
.affil-plates { display: flex; flex-wrap: wrap; gap: 0.7rem;
                margin-top: 1.5rem; }
.plate { background: #ffffff; border-radius: 8px; padding: 0.5rem 0.8rem;
         display: inline-flex; align-items: center;
         border: 1px solid rgba(201, 162, 75, 0.35); }
.plate img { height: 34px; width: auto; display: block; }
.plate:hover { border-color: var(--rust); }
.affiliations { margin: 0.9rem 0 0; padding-left: 1.1rem;
                color: var(--text-dim); font-size: 0.92rem; }
.affiliations li { margin: 0.3rem 0; }
.affiliations a { color: var(--text); }
.pubs { max-width: 1000px; }
.pub { display: grid; grid-template-columns: 11rem 1fr auto;
       gap: 0.4rem 1.2rem; padding: 0.8rem 0; align-items: baseline;
       border-top: 1px solid rgba(236, 229, 211, 0.08); }
.pub .kind { color: var(--rust); font-size: 0.85rem; }
.pub .ptitle { font-weight: 700; grid-column: 2; }
.pub .venue { color: var(--text-dim); font-size: 0.9rem; grid-column: 2; }
.pub .plink { grid-column: 3; grid-row: 1 / span 2; align-self: center;
              border: 1px solid var(--bench-lift); border-radius: 999px;
              padding: 0.3rem 0.9rem; }
.pub .plink:hover { border-color: var(--rust); text-decoration: none; }
@media (max-width: 760px) {
  .pub { grid-template-columns: 1fr; }
  .pub .ptitle, .pub .venue, .pub .plink { grid-column: 1; }
  .pub .plink { grid-row: auto; justify-self: start; }
}

/* ---- portrait ---- */
.hero-grid { display: grid; grid-template-columns: 1.5fr 1fr;
             gap: 3rem; align-items: center; width: 100%;
             max-width: 1180px; position: relative; }
.portrait { width: 100%; max-width: 320px; justify-self: end;
            display: block; border-radius: 160px 160px 8px 8px;
            border: 1px solid var(--rust);
            box-shadow: 0 0 0 8px var(--ink),
                        0 0 0 9px rgba(201, 162, 75, 0.45); }
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .portrait { justify-self: start; max-width: 240px; }
}

/* ---- education and honours ---- */
.edu { border-top: 1px solid var(--paper-line); padding: 0.7rem 0; }
.edu .t { font-weight: 600; }
.edu .w { color: var(--dim-on-paper); font-size: 0.92rem; }
.edu .d { color: var(--ink-on-paper); font-size: 0.95rem; margin-top: 0.15rem; }
.honours { margin: 0.3rem 0 0; padding-left: 1.1rem; }
.honours li { margin: 0.25rem 0; }

/* ---- hero ---- */
.hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: center;
  padding: 6rem clamp(1rem, 6vw, 5rem) 3rem;
  overflow: hidden;
}
#constellation {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.85;
}
.hero-inner { position: relative; max-width: 860px; }
.hero .intro { color: var(--text-dim); margin: 0 0 0.6rem; }
.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  font-weight: 600;
}
.typeline {
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: clamp(1.25rem, 2.6vw, 1.8rem);
  color: var(--rust); min-height: 2.4rem; margin-top: 0.5rem;
}
.typeline .caret { border-right: 2px solid var(--rust); padding-right: 2px; }
.hero .sub {
  max-width: var(--measure); color: var(--text-dim);
  margin-top: 1.1rem;
}
.hero .links { margin-top: 1rem; color: var(--text-dim); }
.hero .links a { margin-right: 1.2rem; }
.probe-readout {
  position: fixed; z-index: 60; pointer-events: none;
  font-size: 0.78rem; color: var(--text);
  background: rgba(26, 35, 54, 0.92);
  border: 1px solid var(--bench-lift);
  padding: 0.2rem 0.55rem; border-radius: 6px;
  transform: translate(18px, 18px);
  opacity: 0; transition: opacity 120ms;
}

.stat-row {
  display: flex; flex-wrap: wrap; gap: 2.4rem;
  margin-top: 2.4rem;
}
.stat .num {
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  color: var(--text);
}
.stat .lbl { color: var(--text-dim); font-size: 0.9rem; }

/* ---- sections ---- */
.section { padding: 4.5rem clamp(1rem, 6vw, 5rem); }
.section-head { max-width: 900px; margin-bottom: 2rem; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.section-head h2::after {
  content: ""; display: block; width: 3.2rem; height: 3px;
  background: var(--rust); margin-top: 0.7rem; border-radius: 2px;
}
.section-head p { color: var(--text-dim); max-width: var(--measure); }

.chart-frame { max-width: 1100px; }

/* ---- lab grid texture on the dark sections ---- */
.section:not(.paper-band) {
  background-image:
    linear-gradient(rgba(127, 165, 131, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 165, 131, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
}

/* ---- tab bar: instrument channels ---- */
.tabbar { position: sticky; top: 3.1rem; z-index: 40;
          background: rgba(16, 23, 38, 0.92); backdrop-filter: blur(10px);
          border-bottom: 1px solid rgba(236,229,211,0.08); }
.tabbar-inner { display: flex; gap: 0.2rem; overflow-x: auto;
                padding: 0 clamp(1rem, 6vw, 5rem); }
.tab, .tab-sel {
  background: transparent !important; border: none !important;
  color: var(--text-dim) !important; font: inherit;
  font-size: 0.95rem !important; padding: 0.85rem 1rem !important;
  border-bottom: 2px solid transparent !important;
  white-space: nowrap;
}
.tab-sel { color: var(--text) !important;
           border-bottom-color: var(--rust) !important; }
.tab:hover { color: var(--text) !important; }

/* ---- the data scientist's day ---- */
.ds-head { font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 1.3rem;
           margin-top: 1.8rem; }
.vignettes { margin: 0.8rem 0 1rem; }
.vignette { position: relative; padding: 0.55rem 0 0.55rem 1.4rem;
            color: var(--text-dim); font-size: 0.93rem;
            border-top: 1px solid rgba(236,229,211,0.08);
            max-width: var(--measure); }
.vignette::before { content: ""; position: absolute; left: 0; top: 1.05rem;
                    width: 0.55rem; height: 0.55rem; border-radius: 2px;
                    background: var(--rust); transform: rotate(45deg); }
.method-chips { display: flex; flex-wrap: wrap; gap: 0.5rem;
                margin: 0.4rem 0 1.2rem; }
.mchip { border: 1px solid var(--bench-lift); border-radius: 999px;
         padding: 0.28rem 0.85rem; font-size: 0.83rem;
         color: var(--text); background: rgba(127,165,131,0.08); }

/* ---- phd ---- */
.phd-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem;
            max-width: 1200px; align-items: start; }
.phd-title { font-size: clamp(1.25rem, 2.4vw, 1.7rem); font-style: italic;
             margin-bottom: 0.4rem; }
.phd-meta { color: var(--text-dim); font-size: 0.92rem; margin-top: 0; }
.phd-grid p { max-width: var(--measure); color: var(--text-dim); }
.phd-grid .phd-title { color: var(--text); }
.phd-headline { display: flex; gap: 2rem; flex-wrap: wrap; margin: 1.2rem 0; }
.phd-headline .v { font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 1.35rem;
                   color: var(--text); }
.phd-headline .k { color: var(--text-dim); font-size: 0.8rem; }
.phd-grid .finding { color: var(--text); font-size: 0.95rem;
  border-left: 3px solid var(--rust); padding-left: 0.8rem; }
.twin-loop { width: 100%; max-width: 560px; display: block; }
.milestones { margin-top: 1.4rem; }
.milestone { display: flex; gap: 1rem; padding: 0.45rem 0;
             border-top: 1px solid rgba(236,229,211,0.08);
             font-size: 0.9rem; color: var(--text-dim); }
.milestone .when { color: var(--rust); min-width: 6.5rem; }
.bridge-head { font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 1.35rem;
               margin-top: 2.6rem; }
.bridge-lead { color: var(--text-dim); max-width: var(--measure); }
.bridges { max-width: 1000px; margin-top: 0.6rem; }
.bridge { display: grid; grid-template-columns: 1.2fr 0.9fr 1.4fr;
          gap: 1rem; padding: 0.65rem 0; align-items: baseline;
          border-top: 1px solid rgba(236,229,211,0.08); font-size: 0.92rem; }
.bridge .method { color: var(--text); }
.bridge .note { color: var(--text-dim); }
@media (max-width: 860px) {
  .phd-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .bridge { grid-template-columns: 1fr; gap: 0.15rem; }
}

/* ---- filters and cards ---- */
.controls { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center;
            margin-bottom: 1.6rem; }
.controls input[type="text"] {
  background: var(--bench); color: var(--text);
  border: 1px solid var(--bench-lift); border-radius: 999px;
  padding: 0.45rem 1rem; font: inherit; font-size: 0.9rem; width: 240px;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips label {
  border: 1px solid var(--bench-lift); border-radius: 999px;
  padding: 0.32rem 0.9rem; font-size: 0.85rem; color: var(--text-dim);
  cursor: none; user-select: none; display: inline-flex; gap: 0.4rem;
}
.chips input { display: none; }
.chips label:has(input:checked) {
  background: var(--rust-soft); border-color: var(--rust);
  color: var(--text);
}
.shown-count { color: var(--text-dim); font-size: 0.9rem; }

.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.1rem; max-width: 1200px;
}
.card {
  background: var(--bench); border: 1px solid transparent;
  border-radius: 10px; padding: 1.2rem 1.3rem;
}
.card:hover { border-color: var(--bench-lift); }
.card h3 { font-size: 1.2rem; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--navy); text-decoration: none; }
.card .domain { color: var(--rust); font-size: 0.82rem; }
.card p { color: var(--text-dim); font-size: 0.93rem; margin: 0.5rem 0 0.8rem; }
.card .metrics { display: flex; flex-wrap: wrap; gap: 1.4rem; margin: 0.4rem 0 0.7rem; }
.card .metrics .m .v { font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 1.15rem; }
.card .metrics .m .k { color: var(--text-dim); font-size: 0.78rem; }
.card .finding { color: var(--text); font-size: 0.88rem;
  border-left: 3px solid var(--rust); padding-left: 0.7rem; margin: 0.7rem 0; }
.card .meta { color: var(--text-dim); font-size: 0.8rem; }
.card details { margin-top: 0.7rem; font-size: 0.85rem; }
.card summary { color: var(--navy); cursor: none; }
.card details div { margin-top: 0.5rem; color: var(--text-dim); }
.card details b { color: var(--text); font-weight: 600; }

/* ---- demos ---- */
.demo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
             gap: 1.1rem; max-width: 1200px; }
.demo { background: var(--bench); border-radius: 10px; padding: 1.3rem; }
.demo h3 { font-size: 1.15rem; margin-bottom: 0.2rem; }
.demo .src { font-size: 0.83rem; }
.demo .rc-slider { margin: 0.4rem 0 1rem; }
.demo .out { display: flex; gap: 1.6rem; flex-wrap: wrap; margin: 0.6rem 0; }
.demo .out .v { font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 1.5rem; }
.demo .out .k { color: var(--text-dim); font-size: 0.8rem; }
.demo p.note { color: var(--text-dim); font-size: 0.85rem; }
.demo label { color: var(--text-dim); font-size: 0.85rem; }

/* ---- findings ---- */
.findings { max-width: 900px; }
.finding-quote {
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  border-left: 4px solid var(--rust); padding: 0.2rem 0 0.2rem 1.1rem;
  margin: 0 0 0.4rem;
}
.finding-src { color: var(--text-dim); font-size: 0.88rem; margin: 0 0 1.8rem 1.35rem; }

/* ---- paper band: gallery and about ---- */
.paper-band { background: var(--paper); color: var(--ink-on-paper); }
.paper-band .section-head p { color: var(--dim-on-paper); }
.paper-band a { color: #1d3b2f; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
                gap: 1.6rem; max-width: 1200px; }
.figure-frame { background: #ffffff; border: 1px solid var(--paper-line);
                border-radius: 8px; padding: 0.8rem; }
.figure-frame img { width: 100%; display: block; border-radius: 4px; }
.figure-frame figcaption { font-size: 0.86rem; color: var(--dim-on-paper);
                           margin-top: 0.55rem; }
.about-cols { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem;
              max-width: 1100px; }
.about-cols p, .about-cols li { color: var(--ink-on-paper); max-width: var(--measure); }
.about-cols h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.cv-button {
  display: inline-block; margin-top: 1rem; background: var(--rust);
  color: #fff !important; padding: 0.6rem 1.2rem; border-radius: 8px;
  font-weight: 500;
}
.cv-button:hover { text-decoration: none; filter: brightness(1.08); }

/* ---- footer ---- */
.footer { padding: 2.2rem clamp(1rem, 6vw, 5rem); color: var(--text-dim);
          font-size: 0.85rem; border-top: 1px solid rgba(236,229,211,0.07); }

/* ---- probe cursor ---- */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  a, button, summary, label, input { cursor: none; }
}
.cursor-dot {
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: 100;
  border-radius: 50%; transform: translate(-50%, -50%);
  width: 7px; height: 7px; background: var(--rust);
}
@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-overlay, .probe-readout { display: none; }
}

/* ---- responsive and motion ---- */
@media (max-width: 760px) {
  .nav a:not(.wordmark):not(.gh) { display: none; }
  .about-cols { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero { min-height: 74vh; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor-dot, .cursor-overlay { display: none; }
  body { cursor: auto !important; }
}