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

html {
  min-height: 100%;
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
}

ol,
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

img,
object,
video {
  max-width: 100%;
  border: 0;
}

:root {
  --hub-bg: oklch(96.5% 0.018 155);
  --hub-paper: oklch(99% 0.006 120);
  --hub-ink: oklch(16% 0.015 255);
  --hub-muted: oklch(39% 0.018 255);
  --hub-rule: oklch(18% 0.014 255);
  --hub-accent: oklch(76% 0.17 145);
  --hub-accent-strong: oklch(55% 0.17 145);
  --hub-focus: oklch(50% 0.18 255);
  --hub-grid-line: oklch(88% 0.018 155 / 0.35);
  --hub-grid-line-soft: oklch(88% 0.018 155 / 0.28);
  --hub-page-gutter: clamp(1rem, 4vw, 4rem);
  --hub-timeline-gutter: clamp(1.25rem, 3vw, 2rem);
  --hub-rail-width: 0.5rem;
  --hub-rail-center: calc(var(--hub-rail-width) / 2);
}

body {
  min-height: 100%;
  background:
    linear-gradient(90deg, var(--hub-grid-line) 1px, transparent 1px),
    linear-gradient(180deg, var(--hub-grid-line-soft) 1px, transparent 1px),
    var(--hub-bg);
  background-size: 4rem 4rem;
  color: var(--hub-ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  html {
    color-scheme: dark;
  }

  :root {
    --hub-bg: oklch(17.5% 0.012 255);
    --hub-paper: oklch(22.5% 0.013 255);
    --hub-ink: oklch(93% 0.01 255);
    --hub-muted: oklch(70% 0.015 255);
    --hub-rule: oklch(82% 0.012 255);
    --hub-accent: oklch(80% 0.16 145);
    --hub-accent-strong: oklch(87% 0.15 145);
    --hub-focus: oklch(72% 0.15 255);
    --hub-grid-line: oklch(70% 0.012 255 / 0.1);
    --hub-grid-line-soft: oklch(70% 0.012 255 / 0.08);
  }
}

a {
  color: inherit;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.18em;
  transition:
    background-color 140ms ease,
    color 140ms ease,
    text-decoration-color 140ms ease;
}

a:hover,
a:focus {
  color: var(--hub-accent-strong);
}

a:focus-visible {
  outline: 0.2rem solid var(--hub-focus);
  outline-offset: 0.18rem;
}

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--hub-ink);
  font-weight: 800;
  letter-spacing: 0;
}

h1 {
  max-width: 13ch;
  font-size: clamp(3rem, 5vw, 4.55rem);
  line-height: 0.9;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 0.95;
  text-transform: lowercase;
}

h3 {
  font-size: clamp(1.5rem, 3.4vw, 2.7rem);
  line-height: 0.98;
  text-transform: lowercase;
}

.project-hub-main {
  width: min(100%, 88rem);
  padding: clamp(1rem, 4vw, 4rem) var(--hub-page-gutter) clamp(3rem, 8vw, 6rem);
}

.project-hub-home {
  display: grid;
  gap: clamp(2rem, 6vw, 5rem);
}

.project-hub-home-header {
  position: relative;
  align-self: start;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--hub-paper);
  border: 0.18rem solid var(--hub-rule);
  border-radius: 8px;
  box-shadow: 0.65rem 0.65rem 0 var(--hub-rule);
}

.project-hub-home-header::before {
  display: block;
  width: clamp(3.5rem, 10vw, 7rem);
  height: 0.7rem;
  margin-bottom: clamp(1.25rem, 4vw, 2.5rem);
  background: var(--hub-accent);
  content: "";
}

.project-hub-intro {
  max-width: 39rem;
  margin-top: clamp(1.25rem, 3vw, 2rem);
  color: var(--hub-muted);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}

.project-hub-home-timeline {
  min-width: 0;
}

.timeline {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  padding: 0 0 clamp(3rem, 8vw, 5.5rem) var(--hub-timeline-gutter);
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0.75rem;
  left: 0;
  width: var(--hub-rail-width);
  background: var(--hub-rule);
  border-radius: 999px;
  content: "";
}

.timeline::after {
  position: absolute;
  bottom: 0;
  left: var(--hub-rail-center);
  width: 1.3rem;
  height: 1.3rem;
  background: var(--hub-accent);
  border: 0.22rem solid var(--hub-rule);
  border-radius: 999px;
  content: "";
  transform: translateX(-50%);
}

.tl-node {
  position: relative;
  min-width: 0;
}

.tl-node::before {
  position: absolute;
  top: clamp(1.2rem, 3vw, 1.7rem);
  left: calc((var(--hub-timeline-gutter) * -1) + var(--hub-rail-center));
  z-index: 1;
  width: 1.45rem;
  height: 1.45rem;
  background: var(--hub-accent);
  border: 0.22rem solid var(--hub-rule);
  border-radius: 999px;
  content: "";
  transform: translateX(-50%);
}

.tl-node article {
  position: relative;
  max-width: 48rem;
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--hub-paper);
  border: 0.16rem solid var(--hub-rule);
  border-radius: 8px;
  box-shadow: 0.45rem 0.45rem 0 var(--hub-accent);
}

.tl-stamp,
.project-hub-update-date {
  color: var(--hub-muted);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
}

.tl-stamp {
  margin-bottom: 0.65rem;
}

.tl-content {
  max-width: 15ch;
  margin-bottom: clamp(0.9rem, 2vw, 1.25rem);
}

.tl-node article > a,
.project-hub-artifact-link {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  color: var(--hub-ink);
  font-weight: 700;
}

.tl-node article > a {
  margin-right: 1rem;
}

.project-hub-artifacts {
  display: inline;
}

.project-hub-artifact-list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  vertical-align: baseline;
}

.project-hub-artifact {
  display: inline;
}

.project-hub-artifact-description {
  max-width: 34rem;
  margin: 0.35rem 0 0;
  color: var(--hub-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.project-hub-artifact-unavailable {
  display: block;
  max-width: 34rem;
  color: var(--hub-muted);
}

.project-hub-update-detail,
.project-hub-page,
.project-hub-updates-archive {
  max-width: 52rem;
  padding: clamp(1.25rem, 4vw, 3rem);
  background: var(--hub-paper);
  border: 0.18rem solid var(--hub-rule);
  border-radius: 8px;
  box-shadow: 0.65rem 0.65rem 0 var(--hub-rule);
}

.project-hub-updates-archive .timeline {
  margin-top: clamp(2rem, 6vw, 4rem);
}

.project-hub-updates-archive .tl-node article {
  box-shadow: 0.35rem 0.35rem 0 var(--hub-accent);
}

.project-hub-update-detail-header {
  margin-bottom: clamp(1.75rem, 5vw, 3rem);
}

.project-hub-update-detail .project-hub-artifacts {
  display: block;
  margin-top: clamp(1.25rem, 4vw, 2rem);
}

.project-hub-update-detail .project-hub-artifact-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 1rem clamp(1.5rem, 4vw, 3rem);
}

.project-hub-update-date {
  margin-bottom: 0.65rem;
}

.project-hub-prose {
  max-width: 42rem;
  font-size: clamp(1.05rem, 1.7vw, 1.18rem);
}

.project-hub-prose > * + * {
  margin-top: 1rem;
}

.project-hub-prose h2,
.project-hub-prose h3 {
  margin-top: 2rem;
}

.project-hub-prose ul,
.project-hub-prose ol {
  padding-left: 1.4rem;
}

.project-hub-prose ul {
  list-style: disc;
}

.project-hub-prose ol {
  list-style: decimal;
}

.project-hub-empty {
  max-width: 34rem;
  padding: 1.25rem;
  background: var(--hub-paper);
  border: 0.16rem solid var(--hub-rule);
  border-radius: 8px;
  color: var(--hub-muted);
}

@media (min-width: 64rem) {
  .project-hub-home {
    grid-template-columns: minmax(20rem, 29rem) minmax(0, 1fr);
    align-items: start;
  }

  .project-hub-home-header {
    position: sticky;
    top: clamp(1rem, 4vw, 4rem);
  }

  .project-hub-home-timeline {
    padding-top: clamp(0.5rem, 2vw, 1rem);
  }
}

@media (max-width: 42rem) {
  :root {
    --hub-page-gutter: 1.25rem;
    --hub-timeline-gutter: 1.15rem;
    --hub-rail-width: 0.36rem;
  }

  body {
    background-size: 2.75rem 2.75rem;
    font-size: 1rem;
  }

  .project-hub-main {
    padding-top: 1rem;
  }

  h1 {
    max-width: 10ch;
    font-size: clamp(2.6rem, 15vw, 4.1rem);
  }

  .project-hub-home-header,
  .project-hub-update-detail,
  .project-hub-page,
  .project-hub-updates-archive {
    box-shadow: 0.4rem 0.4rem 0 var(--hub-rule);
  }

  .tl-node article {
    box-shadow: 0.32rem 0.32rem 0 var(--hub-accent);
  }

  .tl-content {
    max-width: 12ch;
  }
}