:root {
  color-scheme: dark;
  --background: #161619;
  --surface: #1c1c20;
  --text: #f3f1ed;
  --muted: #b0afb6;
  --blue: #87adc8;
  --blue-bright: #b9d3e5;
  --line: #363538;
  --line-bright: #465b6a;
  --max-width: 1240px;
}

* { box-sizing: border-box; }

html {
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: transparent;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  isolation: isolate;
  position: relative;
}

.celestial-field {
  height: 100%;
  inset: 0;
  opacity: 0.4;
  pointer-events: none;
  position: fixed;
  width: 100%;
  z-index: -1;
}

.home-page .celestial-field { opacity: 0.8; }

::selection { background: var(--blue); color: #020407; }

a {
  color: var(--blue-bright);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover, a:focus-visible { color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(22, 22, 25, 0.92);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 clamp(1.25rem, 5vw, 5rem);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header--overlay {
  background: rgba(22, 22, 25, 0.64);
  left: 0;
  position: absolute;
  right: 0;
}

.site-name {
  align-items: center;
  color: var(--text);
  display: inline-flex;
  font-size: 0.92rem;
  font-weight: 700;
  gap: 0.65rem;
  text-decoration: none;
}

.site-mark {
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(135, 173, 200, 0.35);
  height: 8px;
  width: 8px;
}

.site-nav { display: flex; gap: clamp(1rem, 3vw, 2.5rem); }

.site-nav a {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  padding: 0.4rem 0;
  position: relative;
  text-decoration: none;
}

.site-nav a::after {
  background: var(--blue);
  bottom: 0;
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  width: 100%;
}

.site-nav a[aria-current="page"], .site-nav a:hover, .site-nav a:focus-visible { color: var(--text); }
.site-nav a[aria-current="page"]::after, .site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }

main { min-height: calc(100vh - 154px); }

.opening-scene {
  align-items: center;
  background: transparent;
  display: flex;
  justify-content: center;
  min-height: min(92svh, 940px);
  overflow: hidden;
  padding: 8.5rem 1.5rem 7.5rem;
  position: relative;
}

.scene-vignette {
  background: rgba(22, 22, 25, 0.08);
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.opening-copy {
  max-width: 1100px;
  position: relative;
  text-align: center;
  z-index: 2;
}

.opening-kicker, .eyebrow, .section-label, .publication-year, .role-date {
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0;
  margin: 0;
  text-transform: uppercase;
}

.opening-kicker {
  animation: reveal-up 800ms 120ms both;
  margin-bottom: 1.1rem;
}

.opening-copy h1 {
  animation: reveal-up 900ms 260ms both;
  font-size: clamp(4rem, 12vw, 10.5rem);
  font-weight: 760;
  letter-spacing: 0;
  line-height: 0.86;
  margin: 0;
  text-shadow: 0 2px 28px var(--background);
}

.opening-role {
  animation: reveal-up 900ms 420ms both;
  color: var(--blue-bright);
  font-size: clamp(1.05rem, 2.1vw, 1.65rem);
  font-weight: 420;
  margin: 1.5rem 0 0;
}

.scroll-cue {
  align-items: center;
  bottom: 1.7rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  font-size: 0.72rem;
  font-weight: 700;
  gap: 0.65rem;
  left: 50%;
  position: absolute;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateX(-50%);
  z-index: 3;
}

.scroll-line { background: var(--blue); height: 30px; opacity: 0.7; width: 1px; }

.about-section, .home-section, .content-page {
  margin: 0 auto;
  max-width: var(--max-width);
  padding-left: clamp(1.25rem, 5vw, 5rem);
  padding-right: clamp(1.25rem, 5vw, 5rem);
}

.about-section {
  align-items: start;
  display: grid;
  gap: clamp(2rem, 5vw, 5.5rem);
  grid-template-columns: 0.32fr minmax(0, 1.1fr) minmax(260px, 0.72fr);
  padding-bottom: clamp(5rem, 10vw, 9rem);
  padding-top: clamp(5rem, 10vw, 9rem);
}

.section-label { color: var(--muted); padding-top: 0.42rem; }
h1, h2, h3 { letter-spacing: 0; line-height: 1.12; margin: 0; }
h2 { font-size: clamp(1.8rem, 3.2vw, 3.15rem); font-weight: 610; }
h3 { font-size: 1.18rem; font-weight: 650; }
p { margin: 0; }
p + p { margin-top: 1rem; }
.eyebrow { margin-bottom: 1rem; }

.lead {
  color: var(--muted);
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  margin-top: 1.4rem;
  max-width: 64ch;
}

.personal-note {
  font-size: 1rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.5rem;
  margin-top: 2rem;
}

.social-links a, .inline-links a {
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration-color: var(--line-bright);
}

.social-links a span { color: var(--blue); margin-left: 0.2rem; }
.portrait-frame { margin: 0; }

.portrait {
  aspect-ratio: 3 / 4;
  background: var(--surface);
  border: 1px solid var(--line-bright);
  display: block;
  height: auto;
  object-fit: cover;
  object-position: center top;
  width: 100%;
}

figcaption {
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 0.75rem;
  text-transform: uppercase;
}

.home-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: clamp(2rem, 5vw, 5.5rem);
  grid-template-columns: 0.32fr minmax(0, 1fr) minmax(250px, 0.72fr);
  padding-bottom: clamp(5rem, 10vw, 8rem);
  padding-top: clamp(4rem, 8vw, 7rem);
}

.home-section p:not(.eyebrow) { color: var(--muted); margin-top: 1.35rem; }
.selected-links { border-top: 1px solid var(--line); }

.selected-links a, .link-list a {
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1rem 0;
  text-decoration: none;
  transition: color 160ms ease, padding 160ms ease;
}

.selected-links a:hover, .selected-links a:focus-visible, .link-list a:hover, .link-list a:focus-visible {
  color: var(--blue-bright);
  padding-left: 0.35rem;
}

.content-page { padding-bottom: 7rem; }

.page-intro {
  border-bottom: 1px solid var(--line);
  padding: clamp(5rem, 10vw, 9rem) 0 clamp(3rem, 6vw, 5.5rem);
}

.page-intro h1 {
  font-size: clamp(3.4rem, 9vw, 8rem);
  font-weight: 680;
  line-height: 0.94;
}

.page-intro .research-title {
  font-size: clamp(2.65rem, 6.7vw, 6.2rem);
  max-width: 14ch;
  overflow-wrap: break-word;
}

.research-intro {
  align-items: end;
  display: grid;
  gap: clamp(2.5rem, 6vw, 6rem);
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.38fr);
}

.scholar-card {
  background: var(--surface);
  border: 1px solid var(--line-bright);
  border-top: 2px solid var(--blue);
  border-radius: 4px;
  padding: 1.4rem;
}

.scholar-card__header {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.scholar-card__header a {
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
  text-decoration-color: var(--line-bright);
}

.scholar-card__header span {
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.scholar-metrics {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1.5rem 0 1.25rem;
}

.scholar-metrics > div + div {
  border-left: 1px solid var(--line);
  padding-left: 1rem;
}

.scholar-metrics dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.scholar-metrics dd {
  color: var(--text);
  font-size: clamp(2.4rem, 5vw, 3.7rem);
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1;
  margin: 0.35rem 0 0;
}

.scholar-updated {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
  padding-top: 0.9rem;
}

.scholar-updated time {
  color: var(--muted);
}

.content-grid {
  display: grid;
  gap: clamp(3rem, 8vw, 8rem);
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.42fr);
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.content-grid article > p:not(.eyebrow), .role > p:last-child,
.publication > div:last-child > p:not(.publication-meta), .cv-section p { color: var(--muted); }

.content-grid article > p:not(.eyebrow) {
  font-size: 1.08rem;
  margin-top: 1.25rem;
  max-width: 65ch;
}

.side-panel { border-left: 1px solid var(--line-bright); padding-left: 1.5rem; }
.side-panel h2 { font-size: 1.35rem; }
.link-list { list-style: none; margin: 1rem 0 0; padding: 0; }
.link-list a { font-size: 0.91rem; padding: 0.8rem 0; }

.numbered-section {
  border-top: 1px solid var(--line);
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section-heading {
  align-items: baseline;
  display: flex;
  gap: 1.3rem;
  margin-bottom: 2.5rem;
}

.section-heading > span { color: var(--blue); font-size: 0.76rem; font-weight: 750; }
.publication-list, .role-list { display: grid; }

.conference-gallery {
  align-items: start;
  display: grid;
  gap: clamp(1rem, 2.5vw, 2rem);
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.85fr);
}

.conference-photo {
  margin: 0;
}

.conference-photo img {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-bright);
  display: block;
  height: auto;
  object-fit: cover;
  width: 100%;
}

.conference-photo--primary img {
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.publication {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 2rem;
  grid-template-columns: 100px minmax(0, 1fr);
  padding: 2rem 0 2.3rem;
}

.publication:last-child { border-bottom: 1px solid var(--line); }
.publication--featured { border-top-color: var(--blue); }
.publication-meta { color: var(--blue-bright); margin-top: 0.55rem; }

.publication-year span {
  color: var(--blue-bright);
  display: block;
  font-size: 0.65rem;
  margin-top: 0.45rem;
}

.publication > div:last-child > p:not(.publication-meta), .role > p:last-child {
  margin-top: 1rem;
  max-width: 68ch;
}

.inline-links { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 1.3rem; }

.role-list {
  background: var(--line);
  border: 1px solid var(--line);
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.role { background: var(--surface); min-height: 260px; padding: clamp(1.5rem, 3vw, 2.4rem); }
.role h3 { font-size: 1.35rem; margin-top: 1.5rem; }

.cv-heading {
  align-items: end;
  display: flex;
  gap: 3rem;
  justify-content: space-between;
}

.cv-role {
  color: var(--muted);
  font-size: 1rem;
  margin-top: 1rem;
}

.updated-marker {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex: 0 0 auto;
  font-size: 0.86rem;
  gap: 0.65rem;
}

.updated-marker span {
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(135, 173, 200, 0.35);
  height: 7px;
  width: 7px;
}

.cv-document { border-top: 1px solid var(--line); margin-top: clamp(4rem, 8vw, 7rem); }

.cv-nameplate {
  align-items: end;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  padding: 2.5rem 0 3rem;
}

.cv-nameplate--compact {
  align-items: center;
  color: var(--muted);
}

.cv-contact { display: flex; flex-direction: column; text-align: right; }

.cv-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  grid-template-columns: minmax(160px, 0.38fr) minmax(0, 1fr);
  padding: 2.5rem 0;
}

.cv-section > h2 {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0;
  padding-top: 0.25rem;
  text-transform: uppercase;
}

.cv-item + .cv-item { border-top: 1px solid var(--line); margin-top: 1.4rem; padding-top: 1.4rem; }

.cv-item p {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-top: 0.35rem;
}

.cv-item p span { color: var(--muted); flex: 0 0 auto; }

.cv-item h3 a {
  color: inherit;
  text-decoration-color: var(--line-bright);
}

.cv-item h3 a:hover,
.cv-item h3 a:focus-visible {
  color: var(--blue-bright);
}

.existential-page { max-width: 1400px; }

.existential-intro {
  border-bottom: 1px solid var(--line);
  padding: clamp(3.5rem, 7vw, 6.5rem) 0 clamp(4rem, 8vw, 7rem);
}

.existential-heading {
  display: grid;
  gap: 1.25rem clamp(2rem, 7vw, 8rem);
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.52fr);
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.existential-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }

.existential-heading h1 {
  font-size: clamp(3.6rem, 9vw, 8.5rem);
  font-weight: 680;
  line-height: 0.88;
}

.existential-heading .lead { align-self: end; margin-top: 0; }

.risk-instrument {
  background: var(--surface);
  border: 1px solid var(--line-bright);
  border-radius: 6px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.instrument-header {
  align-items: center;
  border-bottom: 1px solid var(--line-bright);
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  padding: 1.15rem clamp(1.25rem, 3vw, 2rem);
}

.instrument-header h2 { font-size: 1.15rem; margin-top: 0.2rem; }

.instrument-code {
  color: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0;
}

.instrument-status {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex: 0 0 auto;
  font-size: 0.75rem;
  gap: 0.55rem;
}

.instrument-status > span {
  background: #55d6a5;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(85, 214, 165, 0.65);
  height: 7px;
  width: 7px;
}

.risk-dashboard {
  display: grid;
  grid-template-columns: minmax(310px, 0.78fr) minmax(420px, 1.22fr);
}

.risk-output {
  background:
    linear-gradient(rgba(135, 173, 200, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(135, 173, 200, 0.045) 1px, transparent 1px),
    #18181c;
  background-size: 32px 32px;
  border-right: 1px solid var(--line-bright);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 620px;
  padding: clamp(2rem, 5vw, 4.5rem);
}

.risk-output__label {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.risk-number {
  align-items: flex-start;
  color: var(--text);
  display: flex;
  font-size: clamp(5rem, 11vw, 9rem);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 0.86;
  margin-top: 1.25rem;
}

.risk-number > span:last-child {
  color: var(--blue);
  font-size: 0.28em;
  margin-left: 0.12em;
  margin-top: 0.22em;
}

.risk-verdict {
  color: var(--blue-bright);
  font-size: 1rem;
  margin-top: 1.5rem;
  max-width: 34ch;
  min-height: 5em;
}

.risk-scale { margin-top: 3.2rem; }

.risk-scale__track {
  background: linear-gradient(90deg, #1f79be, #55d6a5 18%, #e9c968 56%, #e56d70 100%);
  height: 5px;
  position: relative;
}

.risk-scale__fill {
  background: rgba(5, 6, 9, 0.72);
  bottom: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: width 220ms ease;
  width: 99.58%;
}

.risk-scale__marker {
  background: #fff;
  border: 3px solid var(--background);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--blue);
  height: 15px;
  left: 0.42%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: left 220ms ease;
  width: 15px;
}

.risk-scale__labels {
  color: var(--muted);
  display: flex;
  font-size: 0.68rem;
  justify-content: space-between;
  margin-top: 0.65rem;
  text-transform: uppercase;
}

.risk-metadata {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 2.5rem 0 0;
  padding-top: 1.25rem;
}

.risk-metadata dt { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; }
.risk-metadata dd { color: var(--muted); font-size: 0.82rem; margin: 0.25rem 0 0; }

.risk-controls { padding: clamp(1.75rem, 4vw, 3rem); }

.risk-control + .risk-control { margin-top: 1.5rem; }

.risk-control__heading {
  align-items: center;
  display: flex;
  font-size: 0.88rem;
  font-weight: 650;
  justify-content: space-between;
}

.risk-control output {
  color: var(--blue-bright);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.risk-control input[type="range"] {
  accent-color: var(--blue);
  cursor: pointer;
  margin: 0.85rem 0 0;
  width: 100%;
}

.range-labels {
  color: var(--muted);
  display: flex;
  font-size: 0.67rem;
  justify-content: space-between;
  margin-top: 0.25rem;
}

.risk-toggles {
  border: 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.8rem;
  margin: 1.75rem 0 0;
  padding: 1.5rem 0 0;
}

.risk-toggles legend {
  color: var(--muted);
  float: left;
  font-size: 0.7rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  width: 100%;
}

.toggle-control {
  align-items: center;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  font-size: 0.86rem;
  gap: 0.8rem;
}

.toggle-control input {
  height: 1px;
  opacity: 0;
  position: absolute;
  width: 1px;
}

.toggle-control__switch {
  background: #29282d;
  border: 1px solid #605e66;
  border-radius: 999px;
  display: inline-block;
  flex: 0 0 auto;
  height: 22px;
  position: relative;
  transition: background 160ms ease, border-color 160ms ease;
  width: 38px;
}

.toggle-control__switch::after {
  background: #aaa7b1;
  border-radius: 50%;
  content: "";
  height: 14px;
  left: 3px;
  position: absolute;
  top: 3px;
  transition: background 160ms ease, transform 160ms ease;
  width: 14px;
}

.toggle-control input:checked + .toggle-control__switch {
  background: rgba(135, 173, 200, 0.22);
  border-color: var(--blue);
}

.toggle-control input:checked + .toggle-control__switch::after {
  background: var(--blue-bright);
  transform: translateX(16px);
}

.toggle-control input:focus-visible + .toggle-control__switch {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.reset-button {
  background: transparent;
  border: 1px solid var(--line-bright);
  border-radius: 3px;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  margin-top: 1.5rem;
  padding: 0.7rem 0.9rem;
}

.reset-button:hover, .reset-button:focus-visible {
  background: rgba(135, 173, 200, 0.08);
  border-color: var(--blue);
}

.method-section {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: clamp(3rem, 8vw, 8rem);
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1fr);
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.method-copy > p:last-child { color: var(--muted); margin-top: 1.25rem; }

.formula-panel {
  align-self: start;
  background: var(--surface);
  border-left: 2px solid var(--blue);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.formula {
  color: var(--blue-bright);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(0.86rem, 1.7vw, 1.12rem);
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.formula-key {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.8rem 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1.7rem 0 0;
  padding-top: 1.4rem;
}

.formula-key > div { display: grid; gap: 0.8rem; grid-template-columns: 1.5rem 1fr; }
.formula-key dt { color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.formula-key dd { color: var(--muted); font-size: 0.82rem; margin: 0; }

.disclaimer-section { padding: clamp(4rem, 8vw, 7rem) 0 0; }

.disclaimer-grid {
  background: var(--line);
  border: 1px solid var(--line);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.disclaimer-grid article { background: var(--surface); padding: clamp(1.5rem, 3vw, 2.3rem); }
.disclaimer-grid h3 { color: var(--blue-bright); }
.disclaimer-grid p { color: var(--muted); font-size: 0.92rem; margin-top: 1rem; }

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  font-size: 0.76rem;
  justify-content: space-between;
  padding: 1.6rem clamp(1.25rem, 5vw, 5rem);
  text-transform: uppercase;
}

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 820px) {
  .about-section, .home-section { grid-template-columns: 1fr; }
  .section-label { border-bottom: 1px solid var(--line); padding-bottom: 0.75rem; }
  .portrait-frame { max-width: 480px; }
  .research-intro { align-items: start; grid-template-columns: 1fr; }
  .scholar-card { max-width: 420px; }
  .content-grid { grid-template-columns: 1fr; }
  .conference-gallery { grid-template-columns: 1fr; }
  .conference-photo { max-width: 720px; }
  .side-panel { border-left: 0; border-top: 1px solid var(--line-bright); padding-left: 0; padding-top: 2rem; }
  .existential-heading, .method-section { grid-template-columns: 1fr; }
  .existential-heading .lead { max-width: 58ch; }
  .risk-dashboard { grid-template-columns: 1fr; }
  .risk-output { border-bottom: 1px solid var(--line-bright); border-right: 0; min-height: 480px; }
  .disclaimer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.55rem;
    padding-bottom: 0.85rem;
    padding-top: 0.85rem;
  }

  .site-header--overlay { align-items: flex-start; flex-direction: column; }
  .site-nav { gap: 1.25rem; width: 100%; }
  .site-nav a { font-size: 0.78rem; }
  .site-header--overlay .site-nav { justify-content: flex-start; width: 100%; }
  .opening-scene { min-height: 88svh; padding-top: 8rem; }
  .opening-copy h1 { font-size: clamp(3.4rem, 18vw, 6.2rem); line-height: 0.92; }
  .opening-role { margin-left: auto; margin-right: auto; max-width: 20ch; }
  .publication { gap: 0.9rem; grid-template-columns: 1fr; }
  .role-list { grid-template-columns: 1fr; }
  .cv-heading, .cv-nameplate { align-items: flex-start; flex-direction: column; }
  .cv-contact { text-align: left; }
  .cv-section { gap: 1.25rem; grid-template-columns: 1fr; }
  .cv-item p { align-items: flex-start; flex-direction: column; gap: 0.1rem; }
  .instrument-header { align-items: flex-start; flex-direction: column; gap: 0.75rem; }
  .risk-output { min-height: 430px; }
  .risk-metadata, .formula-key { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; gap: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .opening-kicker, .opening-copy h1, .opening-role { animation: none; }
  .site-nav a::after, .selected-links a, .link-list a { transition: none; }
  .risk-scale__fill, .risk-scale__marker, .toggle-control__switch, .toggle-control__switch::after { transition: none; }
}