:root {
  --paper: #f2efe6;
  --paper-deep: #e8e3d7;
  --ink: #171714;
  --muted: #6e6c63;
  --line: rgba(23, 23, 20, 0.18);
  --line-strong: rgba(23, 23, 20, 0.48);
  --signal: #b7f23d;
  --orange: #e95e34;
  --white: #fffef8;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --page-pad: clamp(1.25rem, 4vw, 4.75rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(23, 23, 20, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 23, 20, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--signal);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

p,
h1,
h2,
h3,
dl,
dd,
ol {
  margin: 0;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-150%);
}

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

.scroll-line {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  width: 100%;
  height: 3px;
}

.scroll-line span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 5rem;
  padding: 0 var(--page-pad);
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(242, 239, 230, 0.9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.wordmark {
  justify-self: start;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.wordmark-slash {
  margin: 0 0.45rem;
  color: var(--orange);
}

.site-nav {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  padding: 0.5rem 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.3rem;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
  content: "";
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cv {
  justify-self: end;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 150ms ease, color 150ms ease;
}

.header-cv:hover,
.header-cv:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: max(760px, 100svh);
  padding: clamp(8rem, 15vh, 10rem) var(--page-pad) clamp(2rem, 5vh, 4rem);
  overflow: hidden;
  border-bottom: 1px solid var(--line-strong);
}

.hero::after {
  position: absolute;
  top: 13%;
  right: var(--page-pad);
  width: 0.6rem;
  height: 0.6rem;
  background: var(--orange);
  content: "";
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  max-width: 76rem;
  font-family: var(--mono);
  font-size: clamp(0.62rem, 0.8vw, 0.72rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(183, 242, 61, 0.22);
}

.hero h1 {
  max-width: 10.5ch;
  margin: auto 0;
  font-family: var(--serif);
  font-size: clamp(4rem, 9.8vw, 9.4rem);
  font-weight: 400;
  line-height: 0.84;
  letter-spacing: -0.068em;
}

.hero h1 em {
  position: relative;
  font-weight: 400;
}

.hero h1 em::after {
  position: absolute;
  right: -0.05em;
  bottom: 0.03em;
  left: 0.06em;
  height: 0.07em;
  background: var(--signal);
  z-index: -1;
  content: "";
}

.hero h1 span {
  display: block;
  padding-left: 0.62em;
}

.hero-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: 10vw;
  align-items: end;
  width: min(74rem, 88%);
  margin-left: auto;
}

.hero-intro {
  max-width: 43rem;
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.hero-intro strong {
  font-weight: 500;
  box-shadow: inset 0 -0.35em 0 var(--paper-deep);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
}

.text-link {
  display: inline-flex;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100%, 21rem);
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
}

.text-link span {
  transition: transform 150ms ease;
}

.text-link:hover span,
.text-link:focus-visible span {
  transform: translate(0.25rem, -0.15rem);
}

.text-link.muted {
  border-color: var(--line);
  color: var(--muted);
}

.hero-index {
  position: absolute;
  right: var(--page-pad);
  bottom: 3.5rem;
  display: flex;
  gap: 1rem;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line-strong);
}

.signal-strip div {
  min-height: 7.5rem;
  padding: 1.4rem var(--page-pad) 1.4rem 1.4rem;
  border-right: 1px solid var(--line);
}

.signal-strip div:first-child {
  padding-left: var(--page-pad);
}

.signal-strip div:last-child {
  border-right: 0;
}

.signal-strip span,
.signal-strip strong {
  display: block;
}

.signal-strip span {
  margin-bottom: 1.6rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.59rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signal-strip strong {
  max-width: 17rem;
  font-size: 0.87rem;
  font-weight: 500;
  line-height: 1.3;
}

.section {
  padding: clamp(6rem, 11vw, 11rem) var(--page-pad);
  border-bottom: 1px solid var(--line-strong);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) minmax(0, 3fr);
  gap: 3rem;
  margin-bottom: clamp(4rem, 8vw, 8rem);
}

.section-heading > div {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(16rem, 1fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: end;
}

.section-number,
.eyebrow {
  padding-top: 0.45rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-number::before,
.eyebrow::before {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.55rem;
  background: var(--orange);
  content: "";
}

.section-heading h2,
.about-heading h2,
.recognition-intro h2 {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 6.6rem);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.section-heading > div > p,
.recognition-intro > p:last-child {
  max-width: 31rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.5;
}

.research-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(28rem, 1.08fr);
  max-width: 100rem;
  margin: 0 auto;
  background: var(--ink);
  color: var(--white);
}

.research-copy {
  display: flex;
  flex-direction: column;
  min-height: 49rem;
  padding: clamp(2rem, 5vw, 5rem);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: auto;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.research-copy h3 {
  margin-top: 4rem;
  color: var(--signal);
  font-family: var(--serif);
  font-size: clamp(4.5rem, 9vw, 9rem);
  font-weight: 400;
  line-height: 0.82;
  letter-spacing: -0.07em;
}

.research-subtitle {
  max-width: 35rem;
  margin-top: 2rem;
  font-size: clamp(1.25rem, 2.1vw, 1.8rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.research-description {
  max-width: 37rem;
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95rem;
}

.research-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 3.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.research-stats div {
  padding: 1.2rem 0;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
}

.research-stats div:not(:first-child) {
  padding-left: 1.2rem;
}

.research-stats div:last-child {
  border: 0;
}

.research-stats dt {
  font-family: var(--serif);
  font-size: 2.4rem;
  line-height: 1;
}

.research-stats dd {
  margin-top: 0.45rem;
  color: rgba(255, 255, 255, 0.56);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.research-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin-top: 2.5rem;
}

.research-links a {
  padding-bottom: 0.35rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.norm-demo {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 49rem;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  background: #20201d;
}

.demo-bar {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-family: var(--mono);
  font-size: 0.59rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.demo-live {
  color: var(--signal);
}

.demo-live::before {
  content: "● ";
}

.chat-log {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  gap: 1.1rem;
  padding: 3rem 0;
}

.chat-line {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  width: 84%;
}

.chat-line.offset {
  margin-left: 7%;
}

.chat-line.subject {
  align-self: flex-end;
  margin-top: 2rem;
}

.avatar {
  display: grid;
  flex: 0 0 2rem;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.58rem;
}

.avatar-you {
  border-color: var(--signal);
  color: var(--signal);
}

.chat-line p {
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.17);
  background: rgba(255, 255, 255, 0.045);
  font-family: var(--mono);
  font-size: clamp(0.72rem, 1vw, 0.84rem);
  line-height: 1.45;
}

.chat-line p b {
  display: block;
  margin-bottom: 0.35rem;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.56rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chat-line.subject p {
  border-color: rgba(183, 242, 61, 0.42);
}

.norm-demo.is-revealed .chat-line.subject p {
  background: var(--signal);
  color: var(--ink);
}

.norm-demo.is-revealed .chat-line.subject p b {
  color: rgba(23, 23, 20, 0.55);
}

.norm-control {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.norm-control button {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 1.15rem 0;
  border: 0;
  background: transparent;
  color: var(--white);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-align: left;
  text-transform: uppercase;
}

.norm-control button:hover,
.norm-control button:focus-visible {
  color: var(--signal);
}

.norm-control p {
  padding: 1.2rem;
  border: 1px solid var(--signal);
  color: var(--white);
  font-family: var(--mono);
  font-size: 0.74rem;
}

.norm-control p span {
  color: var(--signal);
}

.section-heading.compact > div {
  display: block;
}

.timeline {
  border-top: 1px solid var(--ink);
}

.timeline-row {
  display: grid;
  grid-template-columns: minmax(9rem, 0.8fr) minmax(15rem, 1.4fr) minmax(20rem, 2.1fr) minmax(7rem, 0.7fr);
  gap: 2rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms ease, background 180ms ease;
}

.timeline-row:hover {
  padding-right: 1rem;
  padding-left: 1rem;
  background: var(--paper-deep);
}

.timeline-date,
.timeline-place {
  padding-top: 0.25rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.timeline-role h3 {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2vw, 2rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.timeline-role > p,
.timeline-role > a {
  display: inline-block;
  margin-top: 0.55rem;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.timeline-role > a:hover,
.timeline-role > a:focus-visible {
  border-color: currentColor;
}

.timeline-note {
  max-width: 43rem;
  color: #3f3e39;
  font-size: 0.95rem;
  line-height: 1.55;
}

.timeline-place {
  text-align: right;
}

.building-section {
  background: #e6e0d2;
}

.build-list {
  border-top: 1px solid var(--ink);
}

.build-entry {
  display: grid;
  grid-template-columns: 0.45fr 2fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 5rem);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line-strong);
}

.build-index {
  padding-top: 0.35rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.build-title-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: baseline;
}

.build-title-line h3 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.7vw, 4rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.045em;
}

.build-title-line span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.build-main > p {
  max-width: 42rem;
  margin-top: 1.2rem;
  color: #55534b;
  font-size: 0.95rem;
}

.build-result {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: 3rem;
}

.build-result strong {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.build-result span {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.build-result a {
  position: absolute;
  right: 0;
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 0.85rem;
  transition: background 150ms ease, color 150ms ease, transform 150ms ease;
}

.build-result a:hover,
.build-result a:focus-visible {
  background: var(--ink);
  color: var(--white);
  transform: rotate(12deg);
}

.open-source {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(3rem, 8vw, 9rem);
  margin-top: clamp(7rem, 12vw, 13rem);
}

.open-source-heading h3 {
  max-width: 8ch;
  margin-top: 1.5rem;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 5vw, 5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.repo-list {
  border-top: 1px solid var(--ink);
}

.repo-list a {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding 160ms ease;
}

.repo-list a:hover,
.repo-list a:focus-visible {
  padding-right: 0.75rem;
  padding-left: 0.75rem;
}

.repo-list a > span:first-child {
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.repo-list b {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
}

.repo-list small,
.repo-list a > span:last-child {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
}

.repo-list a > span:last-child {
  text-align: right;
}

.recognition-section {
  display: grid;
  grid-template-columns: minmax(17rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(4rem, 9vw, 11rem);
  background: var(--signal);
}

.recognition-intro {
  align-self: start;
}

.recognition-intro .section-number {
  margin-bottom: 3rem;
}

.recognition-intro .section-number::before {
  background: var(--ink);
}

.recognition-intro h2 {
  font-size: clamp(3.2rem, 5.7vw, 6rem);
}

.recognition-intro > p:last-child {
  margin-top: 2rem;
  color: rgba(23, 23, 20, 0.7);
}

.scoreboard {
  list-style: none;
  border-top: 1px solid var(--ink);
  padding: 0;
}

.scoreboard li {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 1.5rem;
  align-items: start;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(23, 23, 20, 0.3);
}

.scoreboard li > span,
.scoreboard time {
  padding-top: 0.2rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
}

.scoreboard p {
  font-size: 0.88rem;
}

.scoreboard strong {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1.1;
}

.about-section {
  padding-bottom: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(4rem, 10vw, 13rem);
}

.about-heading .section-number {
  margin-bottom: 3rem;
}

.about-heading h2 {
  max-width: 11ch;
}

.about-copy {
  padding-top: 0.5rem;
}

.about-copy p {
  margin-bottom: 1.5rem;
  color: #4d4b45;
  font-size: 1rem;
  line-height: 1.7;
}

.about-copy .about-lead {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.7vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.contact-block {
  margin-top: clamp(8rem, 15vw, 15rem);
  padding: clamp(3rem, 7vw, 7rem) 0;
  border-top: 1px solid var(--ink);
}

.contact-block h2 {
  margin-top: 2rem;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 8.2vw, 8.5rem);
  font-weight: 400;
  line-height: 0.88;
  letter-spacing: -0.065em;
}

.contact-actions {
  display: flex;
  gap: 1rem;
  align-items: stretch;
  margin-top: 4rem;
}

.contact-email,
.copy-email {
  padding: 1rem 1.2rem;
  border: 1px solid var(--ink);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.contact-email {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  min-width: min(100%, 28rem);
}

.contact-email:hover,
.contact-email:focus-visible,
.copy-email:hover,
.copy-email:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.copy-email {
  cursor: pointer;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 3rem;
  padding: 2.5rem var(--page-pad);
  background: var(--ink);
  color: var(--white);
}

.footer-name strong,
.footer-name span {
  display: block;
}

.footer-name strong {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 400;
}

.footer-name span,
.footer-note {
  margin-top: 0.35rem;
  color: rgba(255, 255, 255, 0.48);
  font-family: var(--mono);
  font-size: 0.58rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.63rem;
}

.site-footer nav a {
  color: rgba(255, 255, 255, 0.7);
}

.site-footer nav a:hover,
.site-footer nav a:focus-visible {
  color: var(--signal);
}

.footer-note {
  margin: 0;
  text-align: right;
}

.reveal {
  opacity: 1;
}

.reveal.is-visible {
  opacity: 1;
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

@media (max-width: 1050px) {
  .section-heading,
  .section-heading > div {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 2rem;
  }

  .section-heading > div {
    gap: 2rem;
  }

  .research-feature {
    grid-template-columns: 1fr;
  }

  .research-copy {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .feature-meta {
    margin-bottom: 4rem;
  }

  .norm-demo {
    min-height: 42rem;
  }

  .timeline-row {
    grid-template-columns: 0.8fr 1.2fr 2fr;
  }

  .timeline-place {
    display: none;
  }

  .open-source {
    grid-template-columns: 1fr;
  }

  .open-source-heading h3 {
    max-width: 13ch;
  }
}

@media (max-width: 800px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
  }

  .menu-toggle {
    display: block;
    margin-right: 1rem;
    padding: 0.5rem;
    border: 0;
    background: transparent;
    cursor: pointer;
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .site-nav {
    position: fixed;
    top: 5rem;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 1rem var(--page-pad) 2rem;
    border-bottom: 1px solid var(--ink);
    background: var(--paper);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .hero-meta {
    flex-direction: column;
    gap: 0.45rem;
  }

  .hero h1 {
    font-size: clamp(3.6rem, 15vw, 6.5rem);
    line-height: 0.86;
  }

  .hero h1 span {
    padding-left: 0;
  }

  .hero-bottom {
    grid-template-columns: 1fr;
    gap: 2rem;
    width: calc(100% - 2rem);
    margin: 0 2rem 0 0;
  }

  .hero-index {
    display: none;
  }

  .signal-strip {
    grid-template-columns: 1fr 1fr;
  }

  .signal-strip div,
  .signal-strip div:first-child {
    padding-left: var(--page-pad);
    border-bottom: 1px solid var(--line);
  }

  .signal-strip div:nth-child(2n) {
    border-right: 0;
  }

  .timeline-row {
    grid-template-columns: 1fr 2fr;
    gap: 1rem 2rem;
  }

  .timeline-note {
    grid-column: 2;
  }

  .build-entry {
    grid-template-columns: 4rem 1fr;
  }

  .build-result {
    grid-column: 2;
    min-height: 3.5rem;
  }

  .recognition-section,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer nav {
    justify-content: flex-start;
  }

  .footer-note {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .hero {
    min-height: 720px;
    padding-top: 7rem;
  }

  .hero::after {
    display: none;
  }

  .hero h1 {
    margin-top: 3.5rem;
    margin-bottom: 3.5rem;
  }

  .hero-intro {
    font-size: 1.05rem;
  }

  .hero-bottom {
    width: 100%;
    margin: 0;
  }

  .signal-strip {
    grid-template-columns: 1fr;
  }

  .signal-strip div {
    min-height: 6rem;
    border-right: 0;
  }

  .signal-strip span {
    margin-bottom: 0.7rem;
  }

  .section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .section-heading {
    margin-bottom: 3rem;
  }

  .research-copy,
  .norm-demo {
    padding: 1.25rem;
  }

  .research-copy h3 {
    margin-top: 2rem;
  }

  .research-stats {
    grid-template-columns: 1fr;
  }

  .research-stats div,
  .research-stats div:not(:first-child) {
    padding: 0.9rem 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  }

  .research-stats div:last-child {
    border-bottom: 0;
  }

  .norm-demo {
    min-height: 38rem;
  }

  .chat-line {
    width: 100%;
  }

  .chat-line.offset {
    margin-left: 0;
  }

  .timeline-row {
    grid-template-columns: 1fr;
    padding: 1.5rem 0;
  }

  .timeline-note {
    grid-column: 1;
  }

  .build-entry {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .build-result {
    grid-column: 1;
  }

  .repo-list a {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .repo-list a > span:first-child {
    display: block;
  }

  .repo-list small {
    display: block;
    margin-top: 0.25rem;
  }

  .repo-list a > span:last-child {
    text-align: left;
  }

  .scoreboard li {
    grid-template-columns: 1.5rem 1fr;
  }

  .scoreboard time {
    display: none;
  }

  .contact-actions {
    flex-direction: column;
  }

  .contact-email {
    min-width: 0;
    gap: 1rem;
    overflow-wrap: anywhere;
  }

  .copy-email {
    align-self: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .skip-link,
  .scroll-line {
    display: none !important;
  }

  body {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}