@font-face {
  font-family: "Alte Haas";
  src: url("../media/fonts/alte_haas_grotesk_regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Alte Haas";
  src: url("../media/fonts/alte_haas_grotesk_bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Input Mono";
  src: url("../media/fonts/input_mono_regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: oklch(96% 0.012 83);
  --ink: oklch(22% 0.025 59);
  --muted: oklch(48% 0.025 62);
  --rule: oklch(31% 0.025 59 / 0.26);
  --faint-rule: oklch(31% 0.025 59 / 0.12);
  --signal: oklch(50% 0.13 27);
  --signal-ink: oklch(98% 0.006 80);
  --panel: oklch(91% 0.024 78);
  --code: oklch(18% 0.022 58);
  --code-ink: oklch(91% 0.014 82);
  --body: "Alte Haas", "Helvetica Neue", sans-serif;
  --mono: "Input Mono", monospace;
  --display: "IBM Plex Serif", Georgia, serif;
  --gutter: clamp(1.1rem, 3.5vw, 4rem);
  --gap: clamp(0.9rem, 2vw, 2rem);
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --page-width: 92rem;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: oklch(18% 0.018 60);
  --ink: oklch(92% 0.012 82);
  --muted: oklch(73% 0.019 77);
  --rule: oklch(88% 0.015 80 / 0.26);
  --faint-rule: oklch(88% 0.015 80 / 0.12);
  --signal: oklch(74% 0.12 29);
  --signal-ink: oklch(19% 0.018 60);
  --panel: oklch(24% 0.02 60);
  --code: oklch(13% 0.013 60);
  --code-ink: oklch(91% 0.014 82);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    color-scheme: dark;
    --paper: oklch(18% 0.018 60);
    --ink: oklch(92% 0.012 82);
    --muted: oklch(73% 0.019 77);
    --rule: oklch(88% 0.015 80 / 0.26);
    --faint-rule: oklch(88% 0.015 80 / 0.12);
    --signal: oklch(74% 0.12 29);
    --signal-ink: oklch(19% 0.018 60);
    --panel: oklch(24% 0.02 60);
    --code: oklch(13% 0.013 60);
    --code-ink: oklch(91% 0.014 82);
  }
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.55;
}
body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image: linear-gradient(
    to right,
    transparent calc(100% - 1px),
    var(--faint-rule) 100%
  );
  background-size: calc(
      (min(100vw, var(--page-width)) - (2 * var(--gutter))) / 12
    )
    100%;
  background-position: center;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration-color: color-mix(in oklch, currentColor 56%, transparent);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.08em;
}
a:hover {
  text-decoration-color: currentColor;
}
a:focus-visible,
select:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

header,
nav,
main,
footer {
  width: min(var(--page-width), 100%);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
}
header {
  padding-top: clamp(1rem, 2vw, 1.8rem);
}
header h1 {
  grid-column: 1 / -1;
  margin: 0;
  font-family: var(--body);
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}
header h1 a {
  text-decoration: none;
}
header h1 a::after {
  content: " / Developer";
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62em;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

nav {
  position: sticky;
  z-index: 5;
  top: 0;
  margin-top: clamp(1.2rem, 3vw, 3rem);
  background: color-mix(in oklch, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
nav ul {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2vw, 1.8rem);
  min-height: 3.4rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
nav li {
  display: flex;
  align-items: center;
  min-height: 3.4rem;
}
nav li.right {
  margin-left: auto;
  gap: 0.65rem;
}
nav a {
  font-family: var(--mono);
  font-size: 0.69rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}
nav li:not(.right) a {
  padding-block: 0.15rem;
  border-bottom: 1px solid transparent;
}
body.index nav li.index a,
body.about nav li.about a,
body.laboratory nav li.laboratory a,
nav li:not(.right) a:hover {
  border-bottom-color: var(--signal);
  color: var(--signal);
}
.sep {
  color: var(--rule);
}
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.theme-toggle label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.theme-toggle select {
  appearance: none;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 1.2rem 0.2rem 0.1rem;
}

main {
  padding-top: clamp(3.5rem, 8vw, 8rem);
}
main > :not(.portfolio-home):not(.editorial-page) {
  grid-column: 3 / span 8;
}
main > h1,
main > h2 {
  margin: 0 0 2.5rem;
  font-family: var(--display);
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.93;
}
main > h3 {
  margin: 3.5rem 0 1rem;
  border-top: 1px solid var(--rule);
  padding-top: 0.7rem;
  font-family: var(--body);
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  letter-spacing: -0.035em;
}
main > h4 {
  margin: 2rem 0 0.7rem;
  font-size: 1.05rem;
}
main > p {
  max-width: 44rem;
  margin: 0 0 1.3rem;
  font-size: clamp(1rem, 1.3vw, 1.12rem);
}
main > ul {
  max-width: 44rem;
  padding: 0;
  margin: 0 0 2rem;
  list-style: none;
}
main > ul li {
  position: relative;
  padding-left: 1rem;
  margin: 0.45rem 0;
}
main > ul li::before {
  position: absolute;
  left: 0;
  content: "—";
  color: var(--signal);
}
main > ul.col2 {
  columns: 2;
  column-gap: 2rem;
}
main > ul.instructions u {
  display: inline-block;
  margin: 0.15rem 0.15rem 0 0;
  border: 1px solid var(--rule);
  padding: 0.08rem 0.35rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68em;
  text-decoration: none;
  text-transform: uppercase;
}
main > img {
  margin: 1.5rem 0 2rem;
}
main > pre,
main > code {
  overflow-x: auto;
  margin: 1.4rem 0 2rem;
  padding: 1.1rem 1.25rem;
  background: var(--code);
  color: var(--code-ink);
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.65;
}
main > code {
  display: block;
  white-space: pre-wrap;
}
main > table {
  width: 100%;
  margin: 1.5rem 0 2rem;
  border-collapse: collapse;
  font-size: 0.9rem;
}
main > table th,
main > table td {
  border-bottom: 1px solid var(--rule);
  padding: 0.7rem;
  text-align: left;
}

.editorial-page {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: clamp(6rem, 12vw, 11rem);
}
.page-intro {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  min-height: clamp(24rem, 48vh, 36rem);
  align-content: start;
}
.page-intro .eyebrow {
  grid-column: 1 / span 4;
}
.page-intro h2 {
  /* grid-column: 1 / span 8; */
  grid-column: 1 / span 7;
  max-width: 10ch;
  margin: clamp(2.8rem, 6vw, 5rem) 0 0;
  font-family: var(--display);
  font-size: clamp(3.6rem, 7.6vw, 7.6rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.85;
}
.page-lede {
  grid-column: 8 / span 5;
  max-width: 30rem;
  margin: clamp(5rem, 9vw, 7rem) 0 0;
  font-size: clamp(1.1rem, 1.7vw, 1.45rem);
  line-height: 1.38;
}
.about-page .page-intro {
  min-height: clamp(22rem, 42vh, 32rem);
}
.about-page .page-intro h2 {
  max-width: 12ch;
}
.about-page .page-lede {
  margin-top: clamp(2.8rem, 6vw, 5rem);
}
.laboratory-page .page-intro {
  min-height: clamp(20rem, 36vh, 28rem);
}
.laboratory-page .page-intro h2 {
  max-width: 12ch;
}
.about-portrait {
  grid-column: 1 / span 4;
  align-self: start;
  margin: 0;
}
.about-portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: saturate(0.8);
}
.about-portrait figcaption {
  margin-top: 0.7rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.about-copy {
  grid-column: 6 / span 7;
  max-width: 38rem;
}
.learning-list {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  align-self: start;
  border-top: 1px solid var(--rule);
}
.about-copy .eyebrow,
.learning-list .eyebrow {
  margin: 0.7rem 0 0;
}
.about-copy h3,
.learning-list h3 {
  margin: 2.8rem 0 1.1rem;
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.92;
}
.learning-list .eyebrow {
  grid-column: 1 / span 4;
}
.learning-list h3 {
  grid-column: 1 / span 5;
  max-width: 10ch;
}
.about-copy p:not(.eyebrow) {
  max-width: 31rem;
  margin: 0 0 1.3rem;
  font-size: 1rem;
}
.learning-list ul {
  grid-column: 6 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  padding: 0;
  margin: 0;
  list-style: none;
}
.learning-list li {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  padding: 0.8rem 0 1.3rem;
  border-bottom: 1px solid var(--faint-rule);
}
.learning-list li a,
.learning-list li strong {
  font-size: 1rem;
  font-weight: 700;
  text-decoration-thickness: 1px;
}
.learning-list li span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.lab-index {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  align-items: start;
}
.lab-index .section-heading {
  grid-column: 1 / span 5;
}
.lab-index .section-heading h3 {
  max-width: 11ch;
}
.lab-index .section-heading > p:last-child {
  max-width: 20rem;
}
.article-list {
  grid-column: 1 / -1;
  padding: 0;
  margin: clamp(2.5rem, 5vw, 4.5rem) 0 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}
.article-list li {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  align-items: start;
  padding: clamp(1.2rem, 2vw, 1.8rem) 0 clamp(2rem, 4vw, 3.25rem);
  border-bottom: 1px solid var(--rule);
  transition: background-color 180ms ease;
}
.article-list li:hover {
  background: color-mix(in oklch, var(--panel) 48%, transparent);
}
.article-list .article-index {
  grid-column: 1 / span 2;
}
.article-list li > div {
  grid-column: 3 / span 5;
}
.article-list .article-topic {
  grid-column: 10 / span 3;
}
.article-index,
.article-topic {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.article-list h4 {
  margin: 0;
  font-size: clamp(1.15rem, 1.7vw, 1.65rem);
  letter-spacing: -0.04em;
  line-height: 1;
}
.article-list h4 a {
  text-decoration: none;
}
.article-list h4 a::after {
  content: " ↗";
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.7em;
}
.article-list h4 a:hover {
  color: var(--signal);
}
.article-description {
  max-width: 28rem;
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
}
.article-topic {
  text-align: right;
}
.notebook {
  padding-top: clamp(2rem, 4vw, 4rem);
  border-top: 1px solid var(--rule);
}

.portfolio-home {
  grid-column: 1 / -1;
}
.portfolio-home,
.hero,
.work,
.capabilities,
.experience,
.contact {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
}
.portfolio-home {
  row-gap: clamp(5rem, 10vw, 9rem);
}
.hero {
  grid-column: 1 / -1;
  min-height: clamp(34rem, 62vh, 44rem);
  align-content: start;
}
.eyebrow,
.project-index,
.experience-period,
.capability-grid span {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.hero > .eyebrow {
  grid-column: 1 / span 4;
  grid-row: 1;
  margin-top: 0.4rem;
}
.hero h2 {
  grid-column: 1 / span 10;
  grid-row: 2;
  max-width: 10ch;
  margin: clamp(2.5rem, 6vw, 5rem) 0 0;
  font-family: var(--display);
  font-size: clamp(3.6rem, 7.6vw, 7.6rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.85;
}
.hero-copy {
  grid-column: 8 / span 5;
  grid-row: 2;
  align-self: start;
  max-width: 29rem;
  margin: clamp(5rem, 9vw, 7rem) 0 0;
  font-size: clamp(1.1rem, 1.7vw, 1.45rem);
  line-height: 1.38;
}
.hero-actions {
  grid-column: 1 / span 7;
  grid-row: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  margin-top: clamp(2rem, 4vw, 4rem);
}
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  border-bottom: 1px solid currentColor;
  padding: 0.75rem 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    padding 180ms ease;
}
.button-solid {
  border: 1px solid var(--signal);
  background: var(--signal);
  color: var(--signal-ink);
  padding-inline: 1rem;
}
.button-solid:hover {
  background: transparent;
  color: var(--signal);
}
.button-text {
  color: var(--ink);
}
.button-text:hover {
  color: var(--signal);
  padding-left: 0.3rem;
}
.hero-note {
  grid-column: 8 / span 5;
  grid-row: 3;
  align-self: start;
  margin: clamp(2rem, 4vw, 4rem) 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}
.hero-note a {
  color: var(--ink);
}

.work,
.capabilities,
.experience,
.contact {
  grid-column: 1 / -1;
}
.section-heading {
  grid-column: 1 / span 5;
}
.section-heading h3,
.contact h3 {
  max-width: 9ch;
  margin: 1rem 0 1.4rem;
  font-family: var(--display);
  font-size: clamp(2.5rem, 4.6vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.9;
}
.work .section-heading h3 {
  max-width: 13ch;
}
.capabilities .section-heading h3 {
  max-width: 12ch;
}
.experience .section-heading h3 {
  max-width: 18ch;
}
.contact h3 {
  max-width: 12ch;
}
.section-heading > p:last-child {
  max-width: 26rem;
  margin: 0;
  font-size: 1.03rem;
}
.project-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0 var(--gap);
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--rule);
}
.project {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  align-items: start;
  padding: clamp(1rem, 2vw, 1.45rem) 0 clamp(2rem, 4vw, 3.25rem);
  border-bottom: 1px solid var(--rule);
  transition: background-color 180ms ease;
}
.project:first-child {
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.project:hover {
  background: color-mix(in oklch, var(--panel) 48%, transparent);
}
.project-index {
  grid-column: 1 / span 2;
  padding-top: 0.32rem;
}
.project-copy {
  grid-column: 3 / span 3;
}
.project-kind {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.project-copy h4 {
  margin: 0;
  font-family: var(--body);
  font-size: clamp(1.45rem, 2.3vw, 2.5rem);
  letter-spacing: -0.055em;
  line-height: 0.92;
}
.project-copy h4 a {
  text-decoration: none;
}
.project-copy h4 a:hover {
  color: var(--signal);
}
.project-description {
  grid-column: 6 / span 3;
  max-width: 24rem;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.4;
}
.project-meta {
  grid-column: 10 / span 3;
}
.project-meta > p {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}
.tags li {
  border: 1px solid var(--rule);
  padding: 0.18rem 0.38rem;
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.capabilities {
  align-items: start;
}
.capabilities .section-heading {
  grid-column: 1 / span 4;
}
.capability-grid {
  grid-column: 5 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  border-top: 1px solid var(--rule);
}
.capability-grid article {
  min-height: 15rem;
  padding-top: 0.7rem;
}
.capability-grid h4 {
  margin: 2.8rem 0 0.85rem;
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  letter-spacing: -0.04em;
  line-height: 1;
}
.capability-grid article > p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.43;
}
.capability-grid .capability-tools {
  margin-top: 1.3rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  line-height: 1.5;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.experience .section-heading {
  grid-column: 1 / span 6;
}
.experience-list {
  grid-column: 1 / -1;
  padding: 0;
  margin: clamp(3rem, 6vw, 5rem) 0 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}
.experience-list li {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  padding: 1rem 0 clamp(2.4rem, 4vw, 4rem);
  border-bottom: 1px solid var(--rule);
}
.experience-period {
  grid-column: 1 / span 3;
}
.experience-list li > div {
  grid-column: 4 / span 7;
}
.experience-list h4 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.3rem, 2.2vw, 2rem);
  letter-spacing: -0.045em;
  line-height: 1;
}
.experience-list h4 span {
  color: var(--muted);
  font-family: var(--display);
  font-size: 0.75em;
  font-weight: 400;
}
.experience-list h4 a {
  text-decoration: none;
}
.experience-list h4 a:hover {
  color: var(--signal);
}
.experience-list li > div > p {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.contact {
  align-items: end;
  padding: clamp(2rem, 5vw, 5rem) 0 0;
  border-top: 1px solid var(--rule);
}
.contact > .eyebrow {
  grid-column: 1 / span 4;
  margin-bottom: 0.9rem;
}
.contact h3 {
  grid-column: 1 / span 5;
  margin-bottom: 0;
}
.contact-email {
  grid-column: 6 / -1;
  align-self: end;
  color: var(--signal);
  font-family: var(--display);
  font-size: clamp(2.1rem, 4.4vw, 5.2rem);
  letter-spacing: -0.065em;
  line-height: 0.88;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.contact-email:hover {
  color: var(--ink);
}
.contact-links {
  grid-column: 6 / -1;
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-bottom: 0.3rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

footer {
  align-items: center;
  margin-top: clamp(5rem, 10vw, 10rem);
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
footer span {
  grid-column: 1 / span 6;
}
footer > span:last-child {
  grid-column: 7 / -1;
  text-align: right;
}

.not-found {
  min-height: clamp(32rem, 68vh, 46rem);
  align-items: center;
  row-gap: 2rem;
}
main.not-found > .not-found-mark {
  grid-column: 1 / span 7;
  margin: 0;
  color: var(--signal);
  font-family: var(--display);
  font-size: clamp(8rem, 23vw, 22rem);
  font-weight: 500;
  letter-spacing: -0.1em;
  line-height: 0.7;
  transform: translateX(-0.08em);
}
main.not-found > .not-found-message {
  grid-column: 8 / span 5;
  max-width: 31rem;
  padding-top: 2rem;
}
.not-found-message h2 {
  max-width: 9ch;
  margin: 2.4rem 0 1.2rem;
  font-family: var(--display);
  font-size: clamp(2.6rem, 5vw, 5.2rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.88;
}
.not-found-message > p:not(.eyebrow):not(.not-found-status) {
  max-width: 25rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.45;
}
.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: center;
  margin-top: 2rem;
}
.not-found-status {
  margin: 4.5rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@media (max-width: 760px) {
  body::before {
    background-size: calc((100vw - (2 * var(--gutter))) / 4) 100%;
  }
  header,
  nav,
  main,
  footer,
  .portfolio-home,
  .hero,
  .work,
  .capabilities,
  .experience,
  .contact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  nav {
    margin-top: 1rem;
  }
  nav ul {
    gap: 0.85rem;
    min-height: auto;
    padding: 0.65rem 0;
    flex-wrap: wrap;
  }
  nav li,
  nav li.right {
    min-height: auto;
    margin: 0;
  }
  nav li.right {
    width: 100%;
    justify-content: flex-start;
    padding-top: 0.25rem;
    border-top: 1px solid var(--faint-rule);
  }
  .theme-toggle {
    margin-left: auto;
  }
  main {
    padding-top: 4rem;
  }
  main > :not(.portfolio-home):not(.editorial-page) {
    grid-column: 1 / -1;
  }
  main > ul.col2 {
    columns: 1;
  }
  .editorial-page,
  .page-intro,
  .lab-index,
  .learning-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-intro {
    min-height: auto;
  }
  .page-intro .eyebrow,
  .page-intro h2,
  .page-lede,
  .about-portrait,
  .about-copy,
  .learning-list,
  .lab-index .section-heading,
  .article-list {
    grid-column: 1 / -1;
  }
  .page-intro h2 {
    max-width: 9ch;
    margin-top: 3rem;
    font-size: clamp(3.35rem, 15vw, 5.2rem);
  }
  .page-lede {
    margin-top: 3rem;
  }
  .about-portrait {
    max-width: 18rem;
  }
  .about-copy {
    margin-top: -1rem;
  }
  .learning-list {
    margin-top: -1rem;
  }
  .learning-list .eyebrow,
  .learning-list h3,
  .learning-list ul {
    grid-column: 1 / -1;
  }
  .learning-list h3 {
    max-width: 11ch;
  }
  .learning-list ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 var(--gap);
    margin-top: 1rem;
  }
  .lab-index .section-heading h3 {
    max-width: 11ch;
  }
  .article-list {
    margin-top: 2.5rem;
  }
  .article-list li {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.6rem 0;
  }
  .article-index {
    grid-column: 1 / -1;
  }
  .article-list li > div {
    grid-column: 1 / -1;
  }
  .article-topic {
    grid-column: 1 / -1;
    margin-top: 0.35rem;
    text-align: left;
  }
  .hero {
    min-height: auto;
  }
  .hero > .eyebrow,
  .hero h2,
  .hero-copy,
  .hero-actions,
  .hero-note,
  .section-heading,
  .capabilities .section-heading,
  .experience .section-heading,
  .contact > .eyebrow,
  .contact h3,
  .contact-email,
  .contact-links {
    grid-column: 1 / -1;
  }
  .hero > .eyebrow,
  .hero h2,
  .hero-copy,
  .hero-actions,
  .hero-note {
    grid-row: auto;
  }
  .hero h2 {
    max-width: 9ch;
    margin-top: 3rem;
    font-size: clamp(3.35rem, 15vw, 5.2rem);
  }
  .hero-copy {
    margin-top: 3rem;
  }
  .hero-note {
    margin-top: 1.2rem;
  }
  .section-heading h3,
  .contact h3 {
    max-width: 11ch;
    font-size: clamp(2.8rem, 13vw, 4.2rem);
  }
  .project-grid {
    margin-top: 3rem;
  }
  .project {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem var(--gap);
    padding: 1rem 0 2rem;
  }
  .project-index,
  .project-copy,
  .project-description,
  .project-meta {
    grid-column: 1 / -1;
  }
  .project-index {
    padding-top: 0;
  }
  .project-description {
    max-width: 30rem;
  }
  .project-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }
  .project-meta .tags {
    margin-top: 0.7rem;
  }
  .capability-grid {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 3rem;
  }
  .capability-grid article {
    min-height: 0;
    padding: 0.75rem 0 2rem;
    border-bottom: 1px solid var(--rule);
  }
  .capability-grid h4 {
    margin-top: 2.2rem;
  }
  .experience-list li {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .experience-period,
  .experience-list li > div {
    grid-column: 1 / -1;
  }
  .experience-list li > div {
    margin-top: 1.4rem;
  }
  .contact {
    padding-top: 2rem;
  }
  .contact-email {
    margin-top: 3rem;
  }
  .not-found {
    min-height: 34rem;
    align-content: center;
  }
  main.not-found > .not-found-mark,
  main.not-found > .not-found-message {
    grid-column: 1 / -1;
  }
  .not-found-mark {
    font-size: clamp(7rem, 30vw, 11rem);
  }
  .not-found-message {
    padding-top: 0;
  }
  .not-found-message h2 {
    margin-top: 2rem;
    font-size: clamp(2.8rem, 13vw, 4.5rem);
  }
  .not-found-status {
    margin-top: 3rem;
  }
  footer span,
  footer > span:last-child {
    grid-column: 1 / -1;
    text-align: left;
  }
  footer > span:last-child {
    margin-top: 1rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero > *,
  .work,
  .capabilities,
  .experience,
  .contact {
    animation: rise 700ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }
  .hero > :nth-child(2) {
    animation-delay: 60ms;
  }
  .hero > :nth-child(3) {
    animation-delay: 120ms;
  }
  .hero > :nth-child(4) {
    animation-delay: 180ms;
  }
  .work {
    animation-delay: 220ms;
  }
  .capabilities {
    animation-delay: 280ms;
  }
  .experience {
    animation-delay: 340ms;
  }
  .contact {
    animation-delay: 400ms;
  }
  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(1rem);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}