/* Design B — Consultancy. Crisp sans, navy and ochre, capabilities and case studies first. */
:root {
  --bg: #ffffff;
  --soft: #f5f6f8;
  --ink: #0d1625;
  --ink-2: #3a4558;
  --muted: #687184;
  --line: #e3e6eb;
  --navy: #0f2135;
  --navy-2: #182f4a;
  --on-navy: #dfe5ee;
  --on-navy-muted: #9aa7b8;
  --accent: #b75d1c;
  --accent-light: #e8a36b;
  --sans: "Geist", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
h1, h2, h3 { margin: 0; letter-spacing: -.025em; font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.3rem; border-radius: 999px;
  background: var(--ink); color: #fff; text-decoration: none;
  font-weight: 500; font-size: .9375rem; line-height: 1;
  border: 1px solid var(--ink);
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn-sm { padding: .6rem 1rem; font-size: .875rem; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--navy); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.btn-ghost-light:hover { background: transparent; border-color: #fff; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; align-items: center; gap: 2rem; height: 68px; }
.brand { font-weight: 600; text-decoration: none; letter-spacing: -.01em; white-space: nowrap; }
.brand span { color: var(--muted); font-weight: 400; }
.nav { display: flex; gap: 1.75rem; margin-left: auto; font-size: .9rem; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--accent); }

/* Hero */
.hero { padding: clamp(3rem, 7vw, 6rem) 0 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.pill { display: inline-block; margin: 0 0 1.5rem; padding: .4rem .8rem; border: 1px solid var(--line); border-radius: 999px; font-size: .8125rem; color: var(--ink-2); }
.hero h1 { font-size: clamp(2.4rem, 5.2vw, 4.25rem); line-height: 1.02; letter-spacing: -.04em; max-width: 14ch; }
.sub { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--ink-2); max-width: 36em; margin: 1.5rem 0 2rem; }
.cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.portrait { margin: 0; position: relative; }
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius); background: var(--soft); }
.portrait figcaption {
  position: absolute; left: 1rem; bottom: 1rem;
  display: flex; align-items: center; gap: .75rem;
  padding: .7rem 1rem; border-radius: 10px;
  background: rgba(255,255,255,.94); box-shadow: 0 6px 24px rgba(13,22,37,.12);
  font-size: .8125rem; line-height: 1.3; color: var(--ink-2);
}
.portrait figcaption strong { display: block; color: var(--ink); font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(183,93,28,.15); }

.proof { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 2.5rem; margin-top: clamp(3rem, 6vw, 5rem); padding-top: 1.75rem; padding-bottom: 1.75rem;
  /* a rule exactly as wide as the content */
  background: linear-gradient(var(--line), var(--line)) no-repeat var(--gutter) 0 / calc(100% - 2 * var(--gutter)) 1px; }
.proof-label { font: 500 .75rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 .9rem; }
.proof-list { margin: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: 1.05rem; font-weight: 500; color: var(--ink-2); }
.proof-list span:first-child { color: var(--ink); }
.proof-list.small { font-size: .95rem; font-weight: 400; }
.proof-list.press { gap: .45rem 1.1rem; }
.press a { color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--line); }
.press a:hover { color: var(--accent); border-color: var(--accent); }

/* Metrics */
.metrics { background: var(--navy); color: var(--on-navy); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metrics-grid > div { padding: 2rem 1.5rem 2rem 0; }
.metrics-grid > div + div { padding-left: 1.5rem; border-left: 1px solid rgba(255,255,255,.12); }
.num { font: 500 clamp(1.6rem, 2.6vw, 2.2rem)/1 var(--mono); letter-spacing: -.03em; color: #fff; margin: 0 0 .75rem; }
.metrics p:not(.num) { margin: 0; font-size: .875rem; color: var(--on-navy-muted); line-height: 1.5; }
.metrics em { font-style: italic; color: var(--on-navy); }

/* Sections */
.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section.soft { background: var(--soft); }
.head { max-width: 44rem; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.label { font: 500 .75rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin: 0 0 1rem; }
.head h2, .lead-grid h2, .contact h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); line-height: 1.08; }
.head-sub { color: var(--muted); margin: .9rem 0 0; }

/* Expertise cards */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.card:hover { border-color: #cfd4dc; }
.card-num { font: 500 .8125rem/1 var(--mono); color: var(--accent); margin: 0 0 2.25rem; }
.card h3 { font-size: 1.2rem; margin-bottom: .6rem; }
.card > p:not(.card-num) { color: var(--ink-2); font-size: .9375rem; margin: 0 0 1.25rem; }
.tags { list-style: none; padding: 0; margin: auto 0 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li { font-size: .75rem; padding: .3rem .6rem; border-radius: 6px; background: var(--soft); color: var(--ink-2); }

/* Methods table: each method linked to the papers that use it */
.toolkit { margin-top: clamp(2.5rem, 5vw, 3.5rem); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.toolkit-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem; flex-wrap: wrap; padding: 1.25rem 1.5rem; background: var(--soft); border-bottom: 1px solid var(--line); }
.toolkit-head h3 { font-size: 1.05rem; }
.toolkit-head p { margin: 0; font-size: .875rem; color: var(--muted); }
.tool-rows { list-style: none; margin: 0; padding: 0; }
.tool-rows li { display: grid; grid-template-columns: 15rem minmax(0, 1fr) minmax(0, 1.05fr); gap: 1.5rem; align-items: baseline; padding: .95rem 1.5rem; border-top: 1px solid var(--line); }
.tool-rows li:first-child { border-top: 0; }
.tool { font-weight: 600; }
.use { color: var(--ink-2); font-size: .9rem; }
.ev { display: flex; flex-wrap: wrap; gap: .35rem; }
.ev > * { font: 400 .72rem/1 var(--mono); padding: .38rem .55rem; border-radius: 6px; border: 1px solid var(--line); color: var(--ink-2); text-decoration: none; white-space: nowrap; }
.ev a { color: var(--ink); }
.ev a:hover { border-color: var(--accent); color: var(--accent); }

/* Case studies */
.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.case { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: grid; grid-template-columns: 2fr 3fr; }
.case img { width: 100%; height: 100%; object-fit: cover; min-height: 100%; }
.case-body { padding: 1.5rem 1.6rem 1.6rem; display: flex; flex-direction: column; }
.case-meta { font: 400 .75rem/1 var(--mono); color: var(--muted); margin: 0 0 .9rem; text-transform: uppercase; letter-spacing: .04em; }
.case-meta span { color: var(--accent); font-weight: 500; }
.case h3 { font-size: 1.2rem; line-height: 1.25; margin-bottom: 1rem; }
.case dl { margin: 0 0 1.25rem; font-size: .875rem; color: var(--ink-2); }
.case dt { font: 500 .6875rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: .9rem 0 .35rem; }
.case dt:first-child { margin-top: 0; }
.case dd { margin: 0; }
.case-link { margin-top: auto; font-size: .875rem; font-weight: 500; text-decoration: none; color: var(--ink); }
.case-link::after { content: " →"; color: var(--accent); }
.case-link:hover { color: var(--accent); }

/* Publications: numbered rows with a thumbnail that warms up on hover */
.head-row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 2rem; flex-wrap: wrap; }
.head-row .head-sub { max-width: 30rem; margin: 0; }
.head-sub a { color: var(--ink); text-decoration-color: var(--line); text-underline-offset: .2em; }
.head-sub a:hover { color: var(--accent); }
.pubs { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--ink); }
.pubs li { border-bottom: 1px solid var(--line); }
.pubs a { display: grid; grid-template-columns: 3rem minmax(0, 1fr) 12rem 144px; gap: clamp(1rem, 2.5vw, 2rem); align-items: center; padding: 1.4rem 0; text-decoration: none; color: inherit; }
.pubs .n { font: 500 .8rem/1 var(--mono); color: var(--muted); align-self: start; padding-top: .45rem; }
.pubs .title { display: block; font-size: clamp(1.1rem, 1.8vw, 1.4rem); font-weight: 500; line-height: 1.25; letter-spacing: -.02em; transition: color .2s; }
.pubs .sum { display: block; color: var(--ink-2); font-size: .9rem; margin-top: .45rem; max-width: 48em; }
.pubs .who { display: block; color: var(--muted); font-size: .78rem; margin-top: .45rem; }
.pubs .who b { color: var(--ink); font-weight: 600; }
.pubs .m { font-size: .8125rem; color: var(--ink-2); line-height: 1.4; }
.pubs .m em { font-style: normal; font-weight: 600; color: var(--ink); }
.pubs .tag { display: block; margin-top: .5rem; font: 400 .7rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--accent); }
.pubs img { width: 144px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); background: var(--soft); filter: grayscale(1) contrast(1.05); opacity: .8; transition: filter .35s, opacity .35s; }
.pubs a:hover img, .pubs a:focus-visible img { filter: none; opacity: 1; }
.pubs a:hover .title { color: var(--accent); }
.all-pubs { margin-top: 2rem; }
.all-pubs summary { display: inline-flex; align-items: center; gap: .6rem; cursor: pointer; padding: .7rem 1.1rem; border: 1px solid var(--line); border-radius: 999px; font-size: .875rem; font-weight: 500; list-style: none; }
.all-pubs summary::-webkit-details-marker { display: none; }
.all-pubs summary::after { content: "+"; font: 500 1rem/1 var(--mono); color: var(--accent); }
.all-pubs[open] summary::after { content: "−"; }
.all-pubs summary:hover { border-color: var(--accent); }
.all-pubs ol { margin: 1.5rem 0 0; padding-left: 2.25rem; columns: 2 26rem; column-gap: 3rem; font-size: .84rem; color: var(--ink-2); }
.all-pubs li { break-inside: avoid; margin-bottom: .8rem; padding-left: .25rem; }
.all-pubs li::marker { font: 400 .75rem var(--mono); color: var(--muted); }
.all-pubs a { color: var(--ink); font-weight: 500; text-decoration: none; }
.all-pubs a:hover { color: var(--accent); }
.all-pubs b { color: var(--ink); font-weight: 600; }

/* Leadership (dark) */
.dark { background: var(--navy); color: var(--on-navy); }
.dark .label { color: var(--accent-light); }
.dark h2 { color: #fff; }
.lead-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.lead-text { color: var(--on-navy); font-size: 1.05rem; margin: 1.25rem 0 1.5rem; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { position: relative; padding: .7rem 0 .7rem 1.75rem; border-top: 1px solid rgba(255,255,255,.1); font-size: .9375rem; color: var(--on-navy); }
.checks li::before { content: ""; position: absolute; left: 0; top: 1.15rem; width: .75rem; height: 2px; background: var(--accent-light); }
.lead-photo { margin: 0; }
.lead-photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.lead-photo figcaption { font-size: .8125rem; color: var(--on-navy-muted); margin-top: .75rem; }
.kpis { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin: clamp(2.5rem, 5vw, 4rem) 0 0; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.kpis div { padding: 1.4rem 0; display: flex; flex-direction: column-reverse; gap: .4rem; }
.kpis dt { font-size: .75rem; color: var(--on-navy-muted); }
.kpis dd { margin: 0; font: 500 1.75rem/1 var(--mono); color: #fff; letter-spacing: -.03em; }
.quote { margin: clamp(2.5rem, 5vw, 3.5rem) 0 0; max-width: 48rem; }
.quote p { font-size: clamp(1.25rem, 2.2vw, 1.6rem); line-height: 1.35; letter-spacing: -.015em; color: #fff; margin: 0 0 .75rem; }
.quote cite { font: 400 .75rem/1 var(--mono); font-style: normal; text-transform: uppercase; letter-spacing: .08em; color: var(--on-navy-muted); }
.dark-links { display: flex; gap: 1.75rem; margin: 2rem 0 0; font-size: .9rem; }
.dark-links a { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.3); padding-bottom: 2px; }
.dark-links a::after { content: " →"; color: var(--accent-light); }
.dark-links a:hover { border-color: var(--accent-light); }

/* Teaching */
.teach-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(1.25rem, 3vw, 2.5rem); align-items: start; }
.course-feature { background: var(--navy); color: var(--on-navy); border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.25rem); }
.course-meta { font: 500 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--accent-light); margin: 0 0 1rem; }
.course-feature h3 { color: #fff; font-size: clamp(1.3rem, 2.2vw, 1.65rem); line-height: 1.2; margin-bottom: 1rem; }
.course-feature p:not(.course-meta) { margin: 0 0 1.5rem; color: var(--on-navy); }
.tags-dark li { background: rgba(255,255,255,.08); color: var(--on-navy); }
.courses { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.courses li { display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem; padding: .85rem 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.courses .yr { white-space: nowrap; }
.teach-note { margin: 1.75rem 0 0; font-size: .875rem; color: var(--muted); max-width: 70rem; }

/* Experience */
.rows { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.rows li { display: grid; grid-template-columns: 9rem minmax(0, 1.1fr) minmax(0, 1fr); gap: 1.5rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.yr { font: 400 .8125rem/1.4 var(--mono); color: var(--muted); }
.role { font-weight: 500; }
.org { color: var(--ink-2); font-size: .9375rem; }
.sub-head { font-size: 1.15rem; margin: clamp(2.5rem, 5vw, 3.5rem) 0 1rem; }
.rows.funding li { grid-template-columns: 9rem minmax(0, 1.3fr) minmax(0, 1fr) 7rem; }
.amt { font: 500 .875rem/1.4 var(--mono); text-align: right; color: var(--ink); }
.funding-note { margin: 1rem 0 0; font-size: .875rem; color: var(--muted); max-width: 60rem; }
.section.soft .triple > div { background: #fff; border: 1px solid var(--line); }
.triple { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; margin-top: clamp(3rem, 6vw, 4.5rem); }
.triple > div { background: var(--soft); border-radius: var(--radius); padding: 1.5rem; }
.triple h3 { font-size: 1rem; margin-bottom: .9rem; }
.triple ul { list-style: none; margin: 0; padding: 0; font-size: .9rem; color: var(--ink-2); }
.triple li { padding: .45rem 0; border-top: 1px solid var(--line); }

/* Contact */
.contact { background: var(--navy-2); color: var(--on-navy); padding: clamp(3.5rem, 7vw, 5.5rem) 0; }
.contact h2 { color: #fff; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; }
.contact p { margin: 1rem 0 0; max-width: 34em; color: var(--on-navy); }
.contact-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.foot { padding: 1.5rem 0 2rem; font-size: .8125rem; color: var(--muted); }
.foot-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.foot p { margin: 0; display: flex; gap: 1.5rem; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 1080px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cases { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .proof { grid-template-columns: 1fr 1fr; }
  .proof > div:first-child { grid-column: 1 / -1; }
  .tool-rows li { grid-template-columns: 12rem minmax(0, 1fr); }
  .tool-rows .ev { grid-column: 2; }
  .teach-grid { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .nav { display: none; }
  .top-inner .btn-sm { margin-left: auto; }
  .hero-grid, .lead-grid, .proof { grid-template-columns: 1fr; }
  .portrait { max-width: 340px; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .metrics-grid > div { padding: 1.5rem 1rem 1.5rem 0; border-left: 0 !important; }
  .metrics-grid > div:nth-child(even) { padding-left: 1rem; border-left: 1px solid rgba(255,255,255,.12) !important; }
  .metrics-grid > div:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.12); }
  .rows li, .rows.funding li { grid-template-columns: 1fr; gap: .2rem; }
  .amt { text-align: left; }
  .pubs a { grid-template-columns: 2.25rem minmax(0, 1fr) 96px; }
  .pubs .m { grid-column: 2; grid-row: 2; }
  .pubs img { width: 96px; grid-column: 3; grid-row: 1 / span 2; }
  .tool-rows li { grid-template-columns: 1fr; gap: .45rem; }
  .tool-rows .ev { grid-column: auto; }
  .triple { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
  .case { grid-template-columns: 1fr; }
  .case img { aspect-ratio: 16 / 9; height: auto; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof { grid-template-columns: 1fr; }
  .pubs a { grid-template-columns: 2rem minmax(0, 1fr); }
  .pubs img { display: none; }
  .all-pubs ol { padding-left: 1.75rem; }
  .courses li { flex-direction: column; gap: .15rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }