:root {
  --paper: #f5f6f7;
  --sheet: #ffffff;
  --silver: #e7eaed;
  --silver-dark: #cfd5da;
  --ink: #141a20;
  --ink-soft: #424d56;
  --muted: #68747e;
  --navy: #0d2d47;
  --navy-mid: #1c4666;
  --navy-light: #7790a3;
  --display: "EB Garamond", Garamond, "Adobe Garamond Pro", Georgia, serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
  --edge: clamp(1.35rem, 4vw, 4.75rem);
  --spine: 4.5rem;
  --page-progress: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

body {
  margin: 0;
  min-width: 20rem;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--display);
  font-size: 1.125rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  color: var(--sheet);
  background: var(--navy-mid);
}

h1,
h2,
h3,
p,
dl,
dd,
ul,
figure,
address {
  margin-top: 0;
}

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

button {
  color: inherit;
  font: inherit;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: calc(var(--spine) + 0.75rem);
  padding: 0.65rem 0.9rem;
  color: var(--sheet);
  background: var(--navy);
  font-family: var(--mono);
  font-size: 0.72rem;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

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

.book-spine {
  position: fixed;
  z-index: 20;
  top: 0;
  bottom: 0;
  left: 0;
  display: flex;
  width: var(--spine);
  padding: 1.1rem 0;
  align-items: center;
  flex-direction: column;
  color: var(--sheet);
  background: var(--navy);
}

.book-spine::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 3px;
  height: calc(var(--page-progress) * 100%);
  background: var(--navy-light);
  content: "";
  transition: height 80ms linear;
}

.site-page {
  min-height: 100vh;
  margin-left: var(--spine);
  background: var(--sheet);
}

.masthead {
  position: relative;
  padding: 2rem var(--edge) 4rem;
  border-bottom: 1px solid var(--silver-dark);
}

.masthead-actions {
  position: absolute;
  top: 2rem;
  right: var(--edge);
  display: flex;
  align-items: stretch;
  gap: 0.65rem;
}

.masthead-social {
  display: grid;
  padding: 0.85rem 0.9rem;
  place-items: center;
  border: 1px solid var(--navy);
  color: var(--navy);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition:
    color 160ms ease,
    background-color 160ms ease;
}

.masthead-social:hover,
.masthead-social:focus-visible {
  color: var(--sheet);
  background: var(--navy-mid);
}

.masthead-resume {
  display: flex;
  min-width: 11rem;
  padding: 0.85rem 1rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--sheet);
  background: var(--navy);
  box-shadow: 0.35rem 0.35rem 0 var(--silver-dark);
  transition:
    background-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.masthead-resume span {
  font-size: 1.1rem;
  font-weight: 500;
}

.masthead-resume small {
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.masthead-resume:hover,
.masthead-resume:focus-visible {
  background: var(--navy-mid);
  box-shadow: 0.18rem 0.18rem 0 var(--silver-dark);
  transform: translate(0.17rem, 0.17rem);
}

.masthead h1 {
  margin: clamp(3rem, 8vw, 7rem) 0 clamp(3rem, 6vw, 5.5rem);
  color: var(--navy);
  font-size: clamp(6rem, 14vw, 13.5rem);
  font-weight: 400;
  letter-spacing: -0.072em;
  line-height: 0.7;
  white-space: nowrap;
}

.masthead-deck {
  max-width: 74rem;
  margin-left: auto;
}

.standfirst {
  max-width: 42rem;
  margin-bottom: 0;
  font-size: clamp(1.5rem, 2.3vw, 2.3rem);
  line-height: 1.25;
}

.quick-record {
  display: grid;
  grid-template-columns: 1.05fr 0.65fr 0.7fr 1.25fr;
  margin: clamp(3.5rem, 7vw, 6rem) 0 0;
  border-top: 1px solid var(--navy);
  border-bottom: 1px solid var(--navy);
}

.quick-record div {
  min-height: 5.8rem;
  padding: 1rem 1.25rem;
  border-right: 1px solid var(--silver-dark);
}

.quick-record div:first-child {
  padding-left: 0;
}

.quick-record div:last-child {
  border-right: 0;
}

.quick-record dt,
.margin-label,
.directory-label,
.entry-kind,
.record-date,
.contact-list p {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.11em;
  line-height: 1.35;
  text-transform: uppercase;
}

.quick-record dt {
  margin-bottom: 0.35rem;
}

.quick-record dd {
  margin-left: 0;
  font-size: 1.02rem;
  line-height: 1.25;
}

.page-rule {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  padding: 2.5rem var(--edge);
  align-items: center;
  gap: 1rem;
}

.page-rule span {
  height: 1px;
  background: var(--silver-dark);
}

.page-rule i {
  width: 0.4rem;
  height: 0.4rem;
  border: 1px solid var(--navy);
  transform: rotate(45deg);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(12rem, 15rem) minmax(0, 1fr);
  padding: 0 var(--edge);
  gap: clamp(2.5rem, 6vw, 7rem);
}

.directory {
  min-width: 0;
}

.directory-inner {
  position: sticky;
  top: 2rem;
  padding: 0 1.5rem 2rem 0;
  border-right: 1px solid var(--silver-dark);
}

.directory-label {
  margin-bottom: 1.35rem;
  color: var(--navy);
}

.directory-nav {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--silver-dark);
}

.directory-nav a {
  display: flex;
  padding: 0.7rem 0;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--silver-dark);
  transition:
    color 160ms ease,
    padding 160ms ease;
}

.directory-nav a:hover,
.directory-nav a:focus-visible,
.directory-nav a.is-active {
  padding-left: 0.35rem;
  color: var(--navy-mid);
}

.directory-nav a.is-active::after {
  justify-self: end;
  content: "←";
}

.directory-links {
  display: flex;
  margin-top: 2.5rem;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
}

.directory-links a {
  border-bottom: 1px solid var(--ink);
  font-size: 0.94rem;
}

.directory-links span,
.entry-link span {
  display: inline-block;
  margin-left: 0.15rem;
  transition: transform 160ms ease;
}

.directory-links a:hover span,
.entry-link:hover span {
  transform: translate(0.15rem, -0.15rem);
}

.directory-contact {
  display: flex;
  margin: 3rem 0 0;
  flex-direction: column;
  font-style: normal;
}

.directory-contact p {
  margin-bottom: 0.65rem;
  color: var(--navy);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.directory-contact a {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.archive {
  min-width: 0;
}

.archive-section {
  padding: clamp(4.5rem, 8vw, 8rem) 0;
  border-bottom: 1px solid var(--silver-dark);
}

.archive-section:first-child {
  padding-top: 1rem;
}

.section-header {
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-header h2 {
  margin-bottom: 0.35rem;
  font-size: clamp(3rem, 6vw, 6.4rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.section-header > p {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.project-ledger {
  border-bottom: 1px solid var(--navy);
}

.project-entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(13rem, 0.42fr);
  padding: clamp(2.5rem, 5vw, 5rem) 0;
  gap: clamp(1.25rem, 3vw, 3.5rem);
  border-top: 1px solid var(--navy);
}

.entry-copy {
  min-width: 0;
}

.entry-header {
  display: flex;
  margin-bottom: 1.6rem;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.entry-kind {
  margin-bottom: 0.65rem;
}

.entry-header h3 {
  max-width: 15ch;
  margin-bottom: 0;
  font-size: clamp(2.6rem, 4.5vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.92;
}

.entry-status {
  flex: 0 0 auto;
  color: var(--navy-mid);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.entry-status i {
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  margin-right: 0.3rem;
  border-radius: 50%;
  background: #398056;
  box-shadow: 0 0 0 0.2rem rgba(57, 128, 86, 0.12);
}

.entry-description {
  max-width: 42rem;
  margin-bottom: 1.7rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.tag-list {
  display: flex;
  margin: 0 0 1.7rem;
  padding: 0;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  list-style: none;
}

.tag-list li {
  position: relative;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
}

.tag-list li:not(:last-child)::after {
  position: absolute;
  right: -0.7rem;
  color: var(--silver-dark);
  content: "/";
}

.entry-link {
  display: inline-block;
  padding-bottom: 0.1rem;
  border-bottom: 1px solid var(--ink);
  font-weight: 500;
}

.entry-facts {
  margin: 0;
  padding: 0.35rem 1.4rem;
  color: var(--sheet);
  background: var(--navy);
}

.entry-facts div {
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.entry-facts div:last-child {
  border-bottom: 0;
}

.entry-facts dt {
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.entry-facts dd {
  margin-left: 0;
  font-size: 2rem;
  line-height: 1.1;
}

.entry-margin {
  align-self: center;
  padding-left: 1.4rem;
  border-left: 1px solid var(--silver-dark);
  color: var(--muted);
}

.entry-margin p:last-child {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.margin-label {
  margin-bottom: 0.7rem;
  color: var(--navy-mid);
}

.project-entry-quantum {
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.5fr);
}

.project-entry-rivoba,
.project-entry-nexlo {
  grid-template-columns: minmax(0, 1fr);
}

.project-entry-rivoba .entry-copy,
.project-entry-nexlo .entry-copy {
  max-width: 52rem;
}

.quantum-figure {
  position: relative;
  aspect-ratio: 979 / 1446;
  align-self: start;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: var(--navy);
}

.quantum-figure img {
  position: absolute;
  top: -5.5325%;
  left: 0;
  width: 100%;
  height: 111.065%;
  max-width: none;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.about-copy {
  max-width: 43rem;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.48;
}

.about-copy p:first-child::first-letter {
  float: left;
  margin: 0.08em 0.12em 0 0;
  color: var(--navy);
  font-size: 4.5em;
  line-height: 0.72;
}

.record-list {
  border-bottom: 1px solid var(--navy);
}

.record-row {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) minmax(8rem, auto);
  padding: 2.3rem 0;
  gap: clamp(1.5rem, 4vw, 4rem);
  border-top: 1px solid var(--navy);
}

.record-date {
  margin-bottom: 0;
  color: var(--navy-mid);
}

.record-row h3 {
  margin-bottom: 0.35rem;
  font-size: clamp(1.75rem, 3vw, 2.7rem);
  font-weight: 400;
  line-height: 1.05;
}

.record-row div > p:last-child,
.record-place {
  margin-bottom: 0;
  color: var(--muted);
}

.record-place {
  font-size: 0.9rem;
  text-align: right;
}

.document-link {
  display: flex;
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  justify-content: space-between;
  color: var(--sheet);
  background: var(--navy);
  transition: background-color 160ms ease;
}

.document-link:hover,
.document-link:focus-visible {
  background: var(--navy-mid);
}

.reading-index {
  border-bottom: 1px solid var(--navy);
}

.reading-shelf {
  display: grid;
  grid-template-columns: minmax(11rem, 0.44fr) minmax(0, 1fr);
  padding: clamp(2.2rem, 5vw, 4.5rem) 0;
  gap: clamp(2rem, 5vw, 5rem);
  border-top: 1px solid var(--navy);
}

.shelf-header {
  align-self: start;
}

.shelf-header p {
  margin-bottom: 1rem;
  color: var(--navy-mid);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.shelf-header h3 {
  margin-bottom: 0;
  font-size: clamp(2rem, 3.4vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.book-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.book-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding: 0.85rem 0;
  gap: 0.9rem;
  border-top: 1px solid var(--silver-dark);
}

.book-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.book-list li > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(9rem, 0.38fr);
  gap: 1.5rem;
}

.book-list cite {
  font-size: 1.08rem;
  font-style: normal;
  line-height: 1.25;
}

.book-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.3;
}

.contact-section {
  border-bottom: 0;
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--navy);
  border-bottom: 1px solid var(--navy);
}

.contact-list > div {
  min-width: 0;
  padding: 1.6rem 1.4rem;
  border-right: 1px solid var(--silver-dark);
}

.contact-list > div:first-child {
  padding-left: 0;
}

.contact-list > div:last-child {
  border-right: 0;
}

.contact-list p {
  margin-bottom: 0.55rem;
  color: var(--navy-mid);
}

.contact-list a {
  font-size: clamp(1rem, 1.8vw, 1.35rem);
}

.contact-list button {
  margin-left: 0.45rem;
  padding: 0.12rem 0.35rem;
  border: 1px solid var(--silver-dark);
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-links {
  display: flex;
  margin-top: 2rem;
  gap: 2rem;
}

.contact-links a {
  border-bottom: 1px solid var(--ink);
}

.site-footer {
  display: flex;
  min-height: 6rem;
  padding: 1.5rem 0;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--silver-dark);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer a {
  color: var(--navy-mid);
}

.copy-toast {
  position: fixed;
  z-index: 100;
  right: 1.25rem;
  bottom: 1.25rem;
  padding: 0.55rem 0.75rem;
  color: var(--sheet);
  background: var(--navy);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.75rem);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.copy-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 72rem) {
  .content-grid {
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: 3rem;
  }

  .project-entry,
  .project-entry-quantum {
    grid-template-columns: minmax(0, 1fr);
  }

  .entry-facts,
  .entry-margin,
  .quantum-figure {
    grid-column: 1;
  }

  .entry-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .entry-facts div {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 0;
  }

  .entry-facts div:last-child {
    border-right: 0;
  }

  .entry-margin {
    padding-top: 1.2rem;
    padding-left: 0;
    border-top: 1px solid var(--silver-dark);
    border-left: 0;
  }

  .quantum-figure {
    width: min(100%, 30rem);
    min-height: 0;
  }

  .contact-list {
    grid-template-columns: 1fr;
  }

  .contact-list > div,
  .contact-list > div:first-child {
    padding: 1.2rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--silver-dark);
  }

  .contact-list > div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 58rem) {
  :root {
    --spine: 0rem;
  }

  html {
    scroll-padding-top: 4.5rem;
  }

  .book-spine {
    display: none;
  }

  .site-page {
    margin-left: 0;
  }

  .skip-link {
    left: 0.75rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .directory-inner {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 0 0 2.5rem;
    gap: 2rem;
    border-right: 0;
    border-bottom: 1px solid var(--silver-dark);
  }

  .directory-label {
    grid-column: 1 / -1;
    margin-bottom: -0.75rem;
  }

  .directory-links {
    margin-top: 0;
  }

  .directory-contact {
    grid-column: 1 / -1;
    margin-top: 0;
  }
}

@media (max-width: 42rem) {
  .masthead {
    padding-top: 1.35rem;
  }

  .masthead-resume {
    min-width: 0;
    padding: 0.7rem 0.6rem;
    gap: 0;
  }

  .masthead-resume small {
    display: none;
  }

  .masthead-actions {
    top: 1.35rem;
    right: var(--edge);
    gap: 0.35rem;
  }

  .masthead-social {
    padding: 0.7rem 0.45rem;
    font-size: 0.48rem;
  }

  .masthead h1 {
    margin-block: 4rem;
    font-size: clamp(5.1rem, 23vw, 7.2rem);
  }

  .standfirst {
    font-size: 1.55rem;
  }

  .quick-record {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-record div,
  .quick-record div:first-child {
    min-height: 5.3rem;
    padding: 0.9rem;
    border-bottom: 1px solid var(--silver-dark);
  }

  .quick-record div:nth-child(2) {
    border-right: 0;
  }

  .quick-record div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .page-rule {
    padding-block: 1.7rem;
  }

  .directory-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .directory-label,
  .directory-contact {
    grid-column: auto;
  }

  .directory-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-left: 1px solid var(--silver-dark);
  }

  .directory-nav a {
    padding: 0.65rem;
    border-right: 1px solid var(--silver-dark);
  }

  .directory-nav a.is-active::after {
    display: none;
  }

  .directory-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.8rem 1.5rem;
  }

  .section-header h2 {
    font-size: clamp(3.2rem, 15vw, 5rem);
  }

  .section-header > p {
    margin-top: 0.6rem;
  }

  .project-entry,
  .project-entry-quantum {
    grid-template-columns: 1fr;
  }

  .entry-copy,
  .entry-facts,
  .entry-margin,
  .quantum-figure {
    grid-column: auto;
  }

  .entry-header {
    flex-direction: column;
  }

  .entry-header h3 {
    font-size: clamp(2.8rem, 13vw, 4.2rem);
  }

  .entry-facts {
    grid-template-columns: 1fr;
  }

  .entry-facts div {
    display: flex;
    padding: 0.85rem 0;
    align-items: baseline;
    justify-content: space-between;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .entry-facts dd {
    font-size: 1.4rem;
  }

  .quantum-figure {
    width: 100%;
    min-height: 0;
  }

  .about-layout {
    grid-template-columns: 1fr;
  }

  .record-row {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .record-place {
    text-align: left;
  }

  .reading-shelf {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .book-list li > div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}

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

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