:root {
  --ink: #0c1f0c;
  --ink-soft: #494f43;
  --paper: #f5f5f1;
  --white: #fbfbf8;
  --line: #9c9c9b;
  --signal: #746644;
  --teal: #949cb4;
  --max: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 1rem;
  left: 1rem;
  padding: .75rem 1rem;
  background: var(--signal);
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  text-decoration: none;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.4rem, 1.8vw, 1.75rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.035em;
  white-space: nowrap;
}

.header-actions,
.primary-nav,
.social-links {
  display: flex;
  align-items: center;
}

.header-actions { gap: clamp(1.1rem, 2.5vw, 2.25rem); }
.primary-nav { gap: clamp(1rem, 2.4vw, 2rem); }
.social-links { gap: .35rem; }
.primary-nav a, footer a { text-decoration-thickness: 1px; text-underline-offset: .35rem; }
.primary-nav a { text-decoration: none; font-family: Georgia, "Times New Roman", serif; font-size: 1.04rem; }
.primary-nav a:not(.contact-link):hover,
.primary-nav a:not(.contact-link):focus-visible { text-decoration: underline; }

.primary-nav .contact-link {
  padding: .62rem 1rem;
  border: 1px solid var(--signal);
  background: var(--signal);
  color: var(--white);
  font-family: inherit;
  font-weight: 700;
  transition: background 160ms ease, color 160ms ease;
}

.primary-nav .contact-link:hover,
.primary-nav .contact-link:focus-visible { background: var(--ink); border-color: var(--ink); color: var(--white); }

.icon-link {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 2px;
  color: var(--ink-soft);
  transition: color 160ms ease, background 160ms ease;
}

.icon-link svg { width: 1.22rem; height: 1.22rem; fill: currentColor; }
.icon-link:hover, .icon-link:focus-visible { color: var(--ink); background: #e7e7e1; }

.hero {
  width: min(calc(100% - 3rem), var(--max));
  min-height: calc(100vh - 88px);
  margin: 0 auto;
  padding: clamp(4rem, 7vw, 7rem) 0;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .75fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: center;
}

.eyebrow, .drawing-label {
  margin: 0 0 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 2px;
  margin: 0 .75rem .22rem 0;
  background: var(--signal);
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 760px;
  margin-bottom: 2rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.5rem, 6.2vw, 6.1rem);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.05em;
}

.hero-summary,
.hero-note {
  max-width: 700px;
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.15rem, 1.65vw, 1.38rem);
  line-height: 1.62;
}

.hero-summary { margin-bottom: 1.2rem; }

.hero-note {
  max-width: 650px;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 50px;
  padding: .8rem 1.2rem;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--teal); }
.button:focus-visible, a:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.button-primary { background: var(--signal); border-color: var(--signal); color: var(--white); }
.button-secondary { background: transparent; }

.portrait-wrap {
  justify-self: end;
  width: min(100%, 430px);
  aspect-ratio: 4 / 5;
  padding: .45rem;
  overflow: hidden;
  border: 3px solid var(--signal);
  border-radius: 1.5rem;
  background: var(--white);
  box-shadow: 0 22px 45px rgba(12, 31, 12, .14);
}

.portrait-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 24%;
  border-radius: 1.1rem;
}

.portrait-wrap {
  position: relative;
}

.portrait-wrap img {
  position: absolute;
  inset: .45rem;
  width: calc(100% - .9rem);
  height: calc(100% - .9rem);
}

.discipline-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.discipline-list li {
  padding: .45rem .7rem;
  border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .8rem;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  padding: 4.5rem 2rem 3rem;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.drawing-grid {
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image: linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.15) 1px, transparent 1px);
  background-size: 32px 32px;
}

.hero-visual img { position: relative; z-index: 1; filter: drop-shadow(0 22px 22px rgba(0,0,0,.32)); }
.drawing-label { position: absolute; z-index: 2; top: 1.5rem; left: 1.5rem; color: var(--teal); }

.drawing-note {
  position: absolute;
  z-index: 2;
  right: 1.5rem;
  bottom: 1.25rem;
  display: flex;
  gap: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.case-study {
  --section-gap: clamp(3rem, 5vw, 4.5rem);
  padding: clamp(5rem, 9vw, 9rem) max(1.5rem, calc((100vw - var(--max)) / 2));
  background: var(--white);
}

.projects-heading {
  margin-bottom: clamp(4rem, 8vw, 7rem);
  color: var(--signal);
  text-align: center;
}

.case-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(220px, .55fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.case-header {
  padding-bottom: 0;
  border-bottom: 0;
}

.case-header h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.65rem, 2.6vw, 2.45rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -.025em;
}

h2 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.6rem, 5.5vw, 5.5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.04em;
}

.case-lede { width: 100%; margin: 1.75rem 0 0; color: var(--ink-soft); font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.65; }

.case-kicker {
  margin: 0 0 1rem;
  color: #607687;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .075em;
  text-transform: uppercase;
}

.cadre-case-study {
  --cadre-major-gap: clamp(4.5rem, 7vw, 5.5rem);
  --cadre-grid-gap: clamp(1.75rem, 3vw, 2.25rem);
  --cadre-figure-height: clamp(250px, 25vw, 340px);
  background: var(--white);
}
.cadre-case-intro { grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); }

.cadre-feature {
  width: 100%;
  margin: 0;
  justify-self: end;
  padding: .35rem;
  background: var(--paper);
  border: 2px solid var(--signal);
}

.cadre-feature img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }

.cadre-repo-links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}

.cadre-repo-links a {
  padding: .7rem 1rem;
  color: var(--ink);
  border: 1px solid var(--signal);
  font-size: .82rem;
  font-weight: 750;
  text-decoration: none;
}

.cadre-repo-links a:hover { color: var(--white); background: var(--signal); }

.cadre-map {
  margin-bottom: 0;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  background: var(--paper);
  border-left: 5px solid var(--signal);
}

.cadre-map-heading { width: 100%; margin-bottom: 1.25rem; }
.cadre-map-heading h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.5rem, 2.7vw, 2.25rem); line-height: 1.15; }

.cadre-map-route {
  display: grid;
  grid-template-columns: minmax(155px, 1fr) auto minmax(155px, 1fr) auto minmax(155px, 1fr) auto minmax(155px, 1fr);
  align-items: stretch;
  gap: .65rem;
}

.map-node {
  display: flex;
  min-height: 88px;
  padding: .85rem 1rem;
  flex-direction: column;
  justify-content: center;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  text-decoration: none;
}

.map-node strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; line-height: 1.2; }
.map-node-core { grid-column: 1; }
.map-connector-one { grid-column: 2; }
.map-node-framework { grid-column: 3; }
.map-connector-two { grid-column: 4; }
.map-connector-three { grid-column: 6; }
.map-node-future { grid-column: 7; }
.cadre-module-button {
  position: relative;
  grid-column: 5;
  display: flex;
  width: 100%;
  min-height: 88px;
  padding: .85rem 2.4rem .85rem 1rem;
  align-items: center;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  box-shadow: none;
  cursor: pointer;
  text-align: left;
}
.cadre-module-button::after { content: "+"; position: absolute; right: 1rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.2rem; font-weight: 500; }
.cadre-module-button[aria-expanded="true"]::after { content: "−"; }
.cadre-module-button:hover { background: var(--signal); border-color: var(--signal); }
.cadre-module-button:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.map-node-active { color: var(--white); background: var(--ink); border-color: var(--ink); }
.map-node-future {
  color: #687067;
  background: #eef0ed;
  border-color: #aab0aa;
  border-style: dashed;
}
.map-connector { display: grid; place-items: center; color: var(--signal); font-size: 1.45rem; }

.cadre-problem {
  grid-column: 1 / -1;
  grid-row: 2;
  min-width: 0;
  scroll-margin-top: 2rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: clamp(2rem, 4vw, 3.25rem) clamp(1rem, 2.5vw, 2rem) 0;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.cadre-problem-header { width: 100%; max-width: none; margin-bottom: clamp(2.25rem, 4vw, 3rem); }
.cadre-problem-header h3 { margin: 0 0 .75rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3rem, 5vw, 5rem); font-weight: 500; line-height: .98; letter-spacing: -.04em; }
.cadre-problem-header > p:last-child { margin: 0; color: var(--ink-soft); font-size: clamp(1rem, 1.25vw, 1.1rem); line-height: 1.6; }

.cadre-figure-section { margin-top: var(--cadre-major-gap); }
.cadre-figure-heading { max-width: 760px; margin-bottom: clamp(1.5rem, 2.5vw, 2rem); }
.cadre-figure-heading h4 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2rem, 3.3vw, 2.5rem); font-weight: 500; line-height: 1.08; letter-spacing: -.025em; }

.cadre-figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cadre-grid-gap);
  align-items: stretch;
}

.figure-card {
  display: grid;
  grid-template-rows: var(--cadre-figure-height) 1fr;
  min-width: 0;
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--line);
}

.figure-media {
  position: relative;
  min-width: 0;
  height: var(--cadre-figure-height);
  padding: 0;
  overflow: hidden;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.figure-media img {
  position: absolute;
  inset: .85rem;
  display: block;
  width: calc(100% - 1.7rem);
  height: calc(100% - 1.7rem);
  max-width: none;
  object-fit: contain;
  object-position: center;
}
.figure-card figcaption { display: block; min-height: 112px; padding: clamp(1.1rem, 2vw, 1.4rem); }
.figure-card figcaption strong { display: block; margin-bottom: .55rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.1rem, 1.45vw, 1.25rem); font-weight: 600; line-height: 1.25; }
.figure-card figcaption span { display: block; color: var(--ink-soft); font-size: clamp(.95rem, 1.1vw, 1rem); line-height: 1.5; }
.figure-card sup { font-size: .65em; }
.cadre-convergence-section { width: min(72%, 820px); margin-inline: auto; }
.cadre-convergence-section .figure-card { width: 100%; }

.vespula-feature {
  width: min(100%, 300px);
  margin: 0;
  justify-self: end;
  padding: .4rem;
  background: var(--white);
  border: 2px solid var(--signal);
  transform: translateY(4rem);
}

.vespula-feature img { width: 100%; height: auto; }

.project-details { margin-top: 1.75rem; }

.stringer-case-study { background: var(--paper); }
.ml-case-study { background: var(--white); }
.ml-case-intro { grid-template-columns: minmax(0, 1.05fr) minmax(380px, 1fr); }

.ml-feature {
  width: 100%;
  margin: 0;
  justify-self: end;
  padding: .45rem;
  background: var(--white);
  border: 2px solid var(--signal);
}

.ml-feature img { width: 100%; height: auto; }

.combustion-case-study { background: var(--paper); }
.research-case-intro { grid-template-columns: minmax(0, 1.05fr) minmax(380px, 1fr); }

.research-feature {
  width: min(100%, 390px);
  margin: 0;
  justify-self: end;
  padding: .35rem;
  background: var(--paper);
  border: 2px solid var(--signal);
}

.research-feature img { display: block; width: 100%; height: auto; }

.project-details summary {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: .8rem 1.2rem;
  border: 1px solid var(--signal);
  background: var(--signal);
  color: var(--white);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.project-details summary::-webkit-details-marker { display: none; }
.project-details summary:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--teal); }
.project-details summary:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.details-open-label { display: none; }
.project-details[open] .details-closed-label { display: none; }
.project-details[open] .details-open-label { display: inline; }
.project-details-content { margin-top: var(--section-gap); }

.process-gallery {
  --frame-height: clamp(250px, 24vw, 330px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1fr) 56px minmax(0, 1fr);
  align-items: start;
}

.stage { position: relative; min-width: 0; margin: 0; }
.stage-number { position: absolute; z-index: 2; top: .8rem; left: .8rem; padding: .25rem .5rem; background: var(--signal); color: var(--white); font-family: ui-monospace, monospace; font-size: .75rem; font-weight: 800; }
.image-frame { width: 100%; height: var(--frame-height); display: grid; place-items: center; padding: 1.25rem; overflow: hidden; background: #eef0ed; border: 1px solid var(--line); }
.image-frame img { width: auto; height: auto; max-width: 100%; max-height: 100%; min-width: 0; min-height: 0; object-fit: contain; object-position: center; }
.installed-frame { background: #eef0ed; }
figcaption { display: grid; gap: .25rem; padding-top: 1rem; }
figcaption strong { font-size: 1rem; }
figcaption span { color: var(--ink-soft); font-size: .87rem; line-height: 1.45; }

.process-line { display: flex; height: var(--frame-height); align-items: center; justify-content: center; }
.process-line span { position: relative; width: 26px; height: 1px; background: var(--ink); }
.process-line span::after { content: ""; position: absolute; right: 0; top: -3px; width: 6px; height: 6px; border-top: 1px solid var(--ink); border-right: 1px solid var(--ink); transform: rotate(45deg); }

.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: var(--section-gap);
  background: transparent;
  border: 0;
}

.story-grid article { min-height: 0; padding: .25rem clamp(1.25rem, 2.5vw, 2rem); background: transparent; border-left: 1px solid var(--line); }
.story-grid article:first-child { padding-left: 0; border-left: 0; }
.story-grid article:last-child { padding-right: 0; }
.story-grid h3 { margin-bottom: .9rem; color: var(--signal); font-family: Georgia, serif; font-size: clamp(1.45rem, 2.1vw, 1.75rem); line-height: 1.1; }
.story-grid p { margin-bottom: 0; color: var(--ink-soft); font-size: 1rem; line-height: 1.6; }

.analysis-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: var(--section-gap);
}

.analysis-gallery figure { min-width: 0; margin: 0; }
.analysis-frame { display: grid; place-items: center; overflow: hidden; padding: .55rem; background: var(--white); border: 1px solid var(--line); }
.analysis-frame img { display: block; width: 100%; height: auto; object-fit: contain; }
.combustion-analysis-gallery { grid-template-columns: 1fr; gap: clamp(2rem, 4vw, 3.5rem); }
.combustion-analysis-gallery .analysis-frame { padding: clamp(.35rem, 1vw, .75rem); }

.project-skills {
  margin-top: var(--section-gap);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--paper);
  border-left: 4px solid var(--signal);
}

.project-skills h3 {
  margin: 0 0 1.25rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  font-weight: 600;
}

.project-skills ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-skills li {
  padding: .85rem 1rem;
  background: var(--white);
  border: 1px solid #d9ddd5;
  color: var(--ink-soft);
  font-size: .92rem;
  font-weight: 650;
}

.ml-case-study .project-skills { background: var(--paper); }
.ml-case-study .project-skills li { background: var(--white); }
.ml-case-study .analysis-gallery figure:last-child:nth-child(odd) { grid-column: 1 / -1; width: min(100%, 760px); justify-self: center; }

.repository-link {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--signal);
  font-weight: 750;
  text-underline-offset: .3rem;
}

.project-index {
  padding: clamp(5rem, 9vw, 9rem) max(1.5rem, calc((100vw - var(--max)) / 2));
  background: var(--paper);
}

.section-heading {
  display: grid;
  grid-template-columns: .8fr 1.4fr;
  gap: 3rem;
  align-items: start;
  padding-bottom: 4rem;
}

.section-heading h2 { max-width: 850px; }
.project-list { border-top: 1px solid var(--ink); }

.project-row {
  display: grid;
  grid-template-columns: 64px 1.2fr 1fr 150px;
  gap: clamp(1rem, 3vw, 3rem);
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
}

.project-number {
  color: #607687;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .8rem;
}

.project-title p {
  margin-bottom: .55rem;
  color: #607687;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.project-title h3 { margin-bottom: 0; font-family: Georgia, serif; font-size: clamp(1.4rem, 2.5vw, 2.15rem); font-weight: 500; line-height: 1.14; }
.project-description { margin-bottom: 0; color: var(--ink-soft); }
.project-result { display: grid; justify-items: start; }
.project-result strong { font-family: Georgia, serif; font-size: 2.4rem; font-weight: 500; line-height: 1; }
.project-result span { margin-top: .45rem; color: var(--ink-soft); font-size: .78rem; line-height: 1.3; }

.about-section {
  width: 100%;
  margin: 0;
  padding: clamp(5rem, 9vw, 9rem) max(1.5rem, calc((100vw - var(--max)) / 2));
  background: var(--white);
}

.about-intro h2 {
  margin: 0 0 clamp(3rem, 6vw, 5rem);
  color: var(--signal);
  text-align: center;
}
.about-copy { width: 100%; max-width: var(--max); margin: 0 auto; }
.about-copy > p { max-width: none; color: var(--ink-soft); font-size: clamp(1rem, 1.35vw, 1.1rem); line-height: 1.75; }
.about-copy .about-lede { color: var(--ink); font-family: inherit; font-size: clamp(1rem, 1.35vw, 1.1rem); line-height: 1.75; }
.capability-panel { margin-top: clamp(2.5rem, 5vw, 4rem); padding: clamp(1.5rem, 3vw, 2.5rem); border: 1px solid var(--line); }
.capability-panel h3 { margin: 0 0 1.75rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.7rem, 3vw, 2.3rem); text-align: center; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 0; }
.capability-grid div { padding: 1.25rem; background: var(--paper); border: 1px solid #d9ddd5; text-align: center; }
.capability-grid strong, .capability-grid span { display: block; }
.capability-grid strong { margin-bottom: .7rem; }
.capability-grid span { color: var(--ink-soft); font-size: .86rem; line-height: 1.7; }

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: end;
  padding: clamp(4rem, 8vw, 7rem) max(1.5rem, calc((100vw - var(--max)) / 2));
  background: var(--ink);
  color: var(--white);
}

.footer-statement { margin: 0 0 1.5rem; font-family: Georgia, serif; font-size: clamp(2.8rem, 6vw, 6rem); line-height: 1; letter-spacing: -.045em; }
.footer-email, .footer-links a { font-size: 1rem; }
.footer-email { text-underline-offset: .4rem; }
.footer-links { display: flex; gap: 1.5rem; padding-bottom: .3rem; }

@media (min-width: 1100px) {
  .cadre-map-heading h3 { white-space: nowrap; }
}

@media (max-width: 920px) {
  .site-header {
    min-height: auto;
    padding: 2rem 0 2.5rem;
    flex-direction: column;
    justify-content: center;
    gap: 1.3rem;
  }
  .brand {
    font-size: clamp(1.65rem, 4vw, 2rem);
    text-align: center;
  }
  .header-actions {
    flex-direction: column;
    gap: 1rem;
  }
  .primary-nav { gap: clamp(.9rem, 3vw, 1.5rem); }
  .primary-nav a { font-size: 1.15rem; }
  .primary-nav .contact-link { padding: .58rem 1rem; }
  .social-links { gap: .65rem; }
  .icon-link { width: 2.1rem; height: 2.1rem; }
  .icon-link svg { width: 1.3rem; height: 1.3rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; }
  .portrait-wrap { justify-self: center; width: min(100%, 390px); }
  .case-intro { grid-template-columns: 1fr; }
  .cadre-case-intro { grid-template-columns: 1fr; }
  .cadre-feature { justify-self: center; }
  .cadre-map-route { grid-template-columns: 1fr; }
  .map-node-core { grid-column: 1; grid-row: 1; }
  .map-connector-one { grid-column: 1; grid-row: 2; }
  .map-node-framework { grid-column: 1; grid-row: 3; }
  .map-connector-two { grid-column: 1; grid-row: 4; }
  .cadre-module-button { grid-column: 1; grid-row: 5; }
  .map-connector-three { grid-column: 1; grid-row: 6; }
  .map-node-future { grid-column: 1; grid-row: 7; }
  .cadre-problem { grid-column: 1; grid-row: 8; }
  .map-node { min-height: 76px; }
  .map-connector { min-height: 1.25rem; transform: rotate(90deg); }
  .story-grid article,
  .story-grid article:first-child,
  .story-grid article:last-child { padding: 1.5rem 0; border-left: 0; border-top: 1px solid var(--line); }
  .story-grid article:first-child { padding-top: 0; border-top: 0; }
  .vespula-feature { justify-self: center; width: min(100%, 300px); transform: none; }
  .ml-case-intro { grid-template-columns: 1fr; }
  .ml-feature { justify-self: center; }
  .research-case-intro { grid-template-columns: 1fr; }
  .research-feature { justify-self: center; }
  .analysis-gallery { grid-template-columns: 1fr; }
  .process-gallery { grid-template-columns: 1fr; gap: 2.5rem; }
  .process-line { display: none; }
  .stage { width: min(100%, 680px); margin-inline: auto; }
  .image-frame { height: auto; aspect-ratio: 4 / 3; }
  .story-grid { grid-template-columns: 1fr; }
  .story-grid article { min-height: auto; }
  .project-skills ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .section-heading { grid-template-columns: 1fr; gap: 1rem; }
  .project-row { grid-template-columns: 48px 1fr 120px; }
  .project-description { grid-column: 2 / 4; grid-row: 2; }
}

@media (max-width: 760px) {
  .cadre-case-study {
    --cadre-major-gap: 4rem;
    --cadre-figure-height: clamp(230px, 72vw, 360px);
  }
  .cadre-figure-grid { grid-template-columns: 1fr; }
  .cadre-convergence-section { width: 100%; }
  .figure-card figcaption { min-height: auto; }
}

@media (max-width: 640px) {
  .site-header {
    width: min(calc(100% - 2rem), var(--max));
    min-height: auto;
    padding: 1.5rem 0 1.75rem;
    flex-wrap: nowrap;
    gap: 1rem;
  }
  .brand { width: auto; font-size: clamp(1.55rem, 7vw, 1.9rem); }
  .header-actions { width: auto; justify-content: center; gap: .85rem; }
  .primary-nav { gap: .65rem; }
  .primary-nav a { font-size: clamp(.88rem, 4vw, 1rem); }
  .primary-nav .contact-link { padding: .48rem .68rem; }
  .social-links { gap: .45rem; }
  .icon-link { width: 1.9rem; height: 1.9rem; }
  .icon-link svg { width: 1.18rem; height: 1.18rem; }
  .hero { width: min(calc(100% - 2rem), var(--max)); padding: 3.5rem 0 4rem; gap: 2.5rem; }
  h1 { font-size: clamp(3rem, 14vw, 4.25rem); }
  .portrait-wrap { width: min(92%, 350px); }
  .case-lede { margin-bottom: 3rem; }
  .cadre-repo-links { flex-direction: column; align-items: stretch; }
  .cadre-repo-links a { text-align: center; }
  .image-frame { height: auto; aspect-ratio: 4 / 3; }
  .project-skills ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-row { grid-template-columns: 36px 1fr; }
  .project-title { grid-column: 2; }
  .project-description { grid-column: 2; grid-row: auto; }
  .project-result { grid-column: 2; }
  .capability-grid { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}