:root {
  --paper: #f1efe8;
  --ink: #1a1917;
  --muted: #74716a;
  --line: #c9c5bb;
  --accent: #d34a2c;
  --max-width: 1240px;
  --gutter: clamp(20px, 4vw, 64px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  content: "";
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

button {
  color: inherit;
  font: inherit;
}

.wrap {
  width: min(calc(100% - (2 * var(--gutter))), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 50;
  padding: 8px 12px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 220ms ease;
  will-change: transform;
}

.site-header::before {
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  content: "";
  background: var(--paper);
  transform: translateX(-50%);
}

.site-header.header-hidden {
  transform: translateY(-100%);
}

.wordmark {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-weight: 700;
  font-size: clamp(13px, 1vw, 15px);
  letter-spacing: 0.025em;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: var(--paper);
  background: var(--ink);
  font-size: 13px;
}

.site-header nav {
  display: flex;
  gap: clamp(20px, 3vw, 46px);
}

.site-header nav a,
.mobile-nav a {
  text-decoration: none;
}

.site-header nav a:hover,
.mobile-nav a:hover {
  text-decoration: underline;
}

.site-header .nav-learn,
.mobile-nav .nav-learn {
  color: var(--accent);
}

.nav-wip {
  display: inline-block;
  padding: 1px 4px;
  border: 1px solid currentColor;
  font-size: 8px;
  line-height: 1.2;
  vertical-align: 1px;
}

.menu-button,
.mobile-nav {
  display: none;
}

.section-index,
.experience-number,
.experience-period,
.project-number,
.project-meta,
.site-footer {
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

h2,
p {
  margin-top: 0;
}

h2 em {
  font-weight: 400;
}

.section {
  padding-block: clamp(80px, 11vw, 150px);
  border-bottom: 1px solid var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 2fr;
  margin-bottom: clamp(64px, 9vw, 125px);
}

.section-index {
  margin: 0;
  color: var(--muted);
}

.section-heading h2 {
  max-width: 740px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 8vw, 150px);
}

.headshot {
  max-width: 520px;
  aspect-ratio: 4 / 5;
  margin: 0;
  overflow: hidden;
}

.headshot img {
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid var(--ink);
  object-fit: cover;
  object-position: 62% center;
}

.headshot picture {
  display: block;
  width: 100%;
  height: 100%;
}

.not-found {
  min-height: calc(100vh - 164px);
  padding-block: clamp(100px, 16vw, 220px);
}

.not-found h1 {
  max-width: 820px;
  margin: 0 0 32px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(56px, 10vw, 132px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.not-found p {
  max-width: 520px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 17px;
}

.body-copy {
  max-width: 580px;
  font-size: 17px;
}

.body-copy > p {
  margin-bottom: 1.6em;
}

.journey-intro {
  max-width: 760px;
  margin: calc(clamp(64px, 9vw, 125px) * -0.55) 0 clamp(52px, 7vw, 88px) 33.333%;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(21px, 2.2vw, 30px);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.facts {
  margin: 54px 0 0;
  border-top: 1px solid var(--line);
}

.facts div {
  display: grid;
  grid-template-columns: 120px 1fr;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.facts dt {
  color: var(--muted);
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.facts dd {
  margin: 0;
}

.experience-item {
  display: grid;
  grid-template-columns: 54px minmax(190px, 0.8fr) minmax(300px, 1.35fr) 92px;
  gap: clamp(18px, 3vw, 46px);
  padding: 34px 0 38px;
  border-top: 1px solid var(--line);
}

.experience-item:last-child {
  border-bottom: 1px solid var(--line);
}

.experience-company,
.experience-role,
.experience-number,
.experience-description,
.experience-period {
  margin: 0;
}

.experience-number {
  padding-top: 8px;
  color: var(--muted);
}

.experience-company {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

.experience-role {
  margin-top: 8px;
  color: var(--muted);
  font-size: 16px;
}

.experience-description {
  max-width: 610px;
  font-size: 16px;
}

.experience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.experience-tags li {
  padding: 5px 9px 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: "Courier New", Courier, monospace;
  font-size: 9px;
  letter-spacing: 0.035em;
  line-height: 1;
  text-transform: uppercase;
}

.experience-period {
  justify-self: end;
  padding-top: 7px;
  color: var(--muted);
  text-align: right;
}

.project-item {
  display: grid;
  grid-template-columns: 72px 1fr 1.2fr;
  gap: 24px;
  align-items: center;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.project-item:last-child {
  border-bottom: 1px solid var(--line);
}

.project-name {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 3vw, 39px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
}

.project-summary {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
}

.project-meta {
  display: block;
  margin-top: 9px;
  color: var(--muted);
}

.learn-preview-card {
  display: block;
  padding: clamp(24px, 4vw, 52px);
  border: 1px solid var(--ink);
  background: #dceaa7;
  text-decoration: none;
}

.learn-preview-card:hover,
.learn-preview-card:focus-visible {
  background: #cfe27f;
}

.learn-preview-card:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.learn-preview-status {
  display: flex;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 10px;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.learn-preview-status span:first-child {
  color: var(--accent);
  font-weight: 700;
}

.learn-preview-copy {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: clamp(36px, 8vw, 130px);
  align-items: end;
  padding-block: clamp(58px, 8vw, 105px);
}

.learn-preview-copy h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 7.5vw, 102px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.86;
}

.learn-preview-copy h3 em {
  font-weight: 400;
}

.learn-preview-copy p {
  max-width: 460px;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 20px);
}

.learn-preview-link {
  display: flex;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact {
  padding-block: clamp(90px, 14vw, 190px) 70px;
}

.contact h2 {
  margin: clamp(44px, 7vw, 94px) 0 clamp(70px, 10vw, 130px);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(49px, 8.4vw, 118px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.email-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: clamp(14px, 2vw, 22px);
  text-decoration: none;
  text-transform: uppercase;
}

.email-row {
  display: grid;
  grid-template-columns: 1fr auto;
}

.email-row .email-link {
  padding-right: 28px;
  border-bottom: 0;
}

.copy-button {
  display: flex;
  min-width: 116px;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-right: 0;
  border-bottom: 0;
  background: transparent;
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.email-link:hover,
.copy-button:hover {
  color: var(--accent);
}

.copy-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -4px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 20px;
  padding-block: 28px;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

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

@media (max-width: 760px) {
  .site-header {
    height: 68px;
  }

  .site-header nav {
    display: none;
  }

  .menu-button {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    font-family: "Courier New", Courier, monospace;
    font-size: 11px;
    letter-spacing: 0.05em;
    text-decoration: underline;
    text-transform: uppercase;
    cursor: pointer;
  }

  .mobile-nav {
    padding-block: 20px;
    border-bottom: 1px solid var(--ink);
    font-family: "Courier New", Courier, monospace;
    font-size: 13px;
    text-transform: uppercase;
  }

  .mobile-nav:not([hidden]) {
    position: fixed;
    z-index: 19;
    top: 68px;
    left: 50%;
    display: grid;
    width: min(calc(100% - (2 * var(--gutter))), var(--max-width));
    gap: 14px;
    background: var(--paper);
    box-shadow: 0 18px 24px rgb(26 25 23 / 12%);
    transform: translateX(-50%);
  }

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

  .section-heading {
    gap: 24px;
  }

  .about-grid {
    gap: 58px;
  }

  .journey-intro {
    margin: -30px 0 52px;
  }

  .experience-item {
    grid-template-columns: 34px 1fr auto;
    gap: 6px 12px;
  }

  .experience-number {
    grid-column: 1;
    grid-row: 1;
  }

  .experience-heading {
    grid-column: 2;
    grid-row: 1;
  }

  .experience-detail {
    grid-column: 2 / 4;
    margin-top: 14px;
  }

  .experience-period {
    grid-column: 3;
    grid-row: 1;
  }

  .project-item {
    grid-template-columns: 42px 1fr;
    gap: 12px;
  }

  .project-summary {
    grid-column: 2;
    margin-top: 8px;
  }

  .learn-preview-copy {
    grid-template-columns: 1fr;
  }

  .copy-button {
    min-width: 86px;
    padding-inline: 12px;
  }

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

  .site-footer p:nth-child(2) {
    display: none;
  }
}

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

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

@media print {
  .skip-link {
    display: none;
  }
}

/* Learning series */

.learn-page {
  --paper: #ecece4;
  --ink: #171c19;
  --muted: #69716b;
  --line: #bdc3bc;
  --accent: #e85832;
  --signal: #c7f069;
}

.learn-page .site-header {
  border-color: var(--line);
}

.learn-page .site-header .nav-learn,
.learn-page .mobile-nav .nav-learn {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
}

.learn-hero {
  min-height: calc(100vh - 82px);
  padding-block: clamp(54px, 7vw, 94px) 36px;
}

.learn-wip-notice {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) 1fr;
  gap: 24px;
  margin-bottom: 32px;
  padding: 16px 20px;
  border: 1px solid var(--ink);
  background: var(--signal);
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  letter-spacing: 0.025em;
  line-height: 1.45;
  text-transform: uppercase;
}

.learn-wip-notice strong {
  color: var(--accent);
}

.learn-eyebrow,
.learn-kicker,
.signal-path,
.software-analogy,
.lifecycle-number,
.roadmap-number,
.roadmap-phase,
.topic-card-top,
.topic-card ul {
  font-family: "Courier New", Courier, monospace;
  font-size: 10px;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.learn-eyebrow {
  display: flex;
  justify-content: space-between;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.learn-hero-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: clamp(48px, 8vw, 130px);
  align-items: end;
  padding-block: clamp(64px, 9vw, 125px);
}

.learn-kicker {
  margin-bottom: 24px;
  color: var(--accent);
}

.learn-hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(58px, 9.5vw, 132px);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.82;
}

.learn-hero h1 em,
.learn-cta h2 em {
  font-weight: 400;
}

.learn-intro {
  max-width: 420px;
  padding-bottom: 7px;
  font-size: clamp(17px, 1.6vw, 21px);
}

.learn-intro p {
  margin-bottom: 36px;
}

.text-link {
  display: inline-flex;
  gap: 30px;
  align-items: center;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link:hover {
  color: var(--accent);
}

.signal-path {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 17px 20px;
  border: 1px solid var(--ink);
  background: var(--signal);
}

.signal-path i {
  height: 1px;
  background: var(--ink);
}

.learn-section {
  padding-block: clamp(90px, 12vw, 160px);
  border-top: 1px solid var(--ink);
}

.learn-section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: clamp(60px, 8vw, 105px);
}

.learn-section-head h2 {
  max-width: 740px;
  margin-bottom: 30px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(39px, 5vw, 70px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.learn-section-head > div > p {
  max-width: 630px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.lifecycle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
  list-style: none;
}

.lifecycle-grid li {
  display: flex;
  min-height: 310px;
  flex-direction: column;
  padding: 24px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.lifecycle-number {
  color: var(--muted);
}

.lifecycle-grid h3 {
  margin: auto 0 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
}

.lifecycle-grid p {
  max-width: 320px;
  margin-bottom: 28px;
  color: var(--muted);
}

.software-analogy {
  width: fit-content;
  padding: 5px 8px;
  background: var(--signal);
}

.roadmap-section {
  color: #e9eee9;
  background: var(--ink);
  border-top: 0;
}

.roadmap-section .section-index,
.roadmap-section .learn-section-head > div > p,
.roadmap-number,
.roadmap-phase {
  color: #939c95;
}

.roadmap-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid #505852;
  list-style: none;
}

.roadmap-list li {
  position: relative;
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 90px;
  gap: 28px;
  padding: 30px 0 32px;
  border-bottom: 1px solid #505852;
}

.roadmap-list li::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37px;
  width: 1px;
  content: "";
  background: #505852;
}

.roadmap-number {
  position: relative;
  z-index: 1;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid #748078;
  border-radius: 50%;
  background: var(--ink);
}

.roadmap-list h3 {
  margin: 0 0 7px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 2.5vw, 36px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1;
}

.roadmap-list p {
  max-width: 690px;
  margin: 0;
  color: #aeb7b0;
}

.roadmap-phase {
  justify-self: end;
  padding-top: 5px;
}

.roadmap-list .roadmap-after {
  color: var(--signal);
}

.roadmap-after .roadmap-number {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.topic-card {
  display: flex;
  min-height: 410px;
  flex-direction: column;
  padding: clamp(24px, 3vw, 40px);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.topic-card-top {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}

.topic-card-top span:last-child {
  display: inline-flex;
  gap: 7px;
  align-items: center;
}

.topic-card-top span:last-child::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.topic-card h3 {
  margin: auto 0 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 51px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.topic-card > p {
  max-width: 500px;
  color: var(--muted);
}

.topic-card ul {
  display: flex;
  gap: 20px;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  list-style: none;
}

.learn-cta {
  padding-block: clamp(100px, 15vw, 210px);
  border-top: 1px solid var(--ink);
  text-align: center;
}

.learn-cta h2 {
  margin: clamp(42px, 6vw, 76px) auto 36px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(52px, 8vw, 108px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.87;
}

.learn-cta > p:not(.section-index) {
  max-width: 570px;
  margin: 0 auto 38px;
  color: var(--muted);
  font-size: 17px;
}

@media (max-width: 760px) {
  .learn-hero {
    min-height: auto;
    padding-top: 40px;
  }

  .learn-wip-notice {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .learn-hero-grid,
  .learn-section-head {
    grid-template-columns: 1fr;
  }

  .learn-hero-grid {
    gap: 48px;
    padding-block: 64px;
  }

  .learn-hero h1 {
    font-size: clamp(58px, 18vw, 90px);
  }

  .signal-path {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .signal-path i {
    display: none;
  }

  .signal-path span {
    padding-block: 4px;
    text-align: center;
  }

  .learn-section-head {
    gap: 24px;
  }

  .lifecycle-grid,
  .topic-grid {
    grid-template-columns: 1fr;
  }

  .lifecycle-grid li {
    min-height: 270px;
  }

  .roadmap-list li {
    grid-template-columns: 54px 1fr;
    gap: 16px;
  }

  .roadmap-list li::before {
    left: 18px;
  }

  .roadmap-phase {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .roadmap-list li > div {
    grid-column: 2;
  }

  .topic-card {
    min-height: 360px;
  }
}