:root {
  color-scheme: light;
  --paper: #ecefe7;
  --paper-raised: #f4f5f0;
  --ink: #1b211c;
  --ink-soft: #4f5851;
  --muted: #747d75;
  --line: #cbd1c8;
  --line-strong: #aab5aa;
  --sage: #607d68;
  --sage-dark: #3f5d47;
  --sage-pale: #dce5da;
  --selection: #c7d7c5;
  --max-width: 1180px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --sans: "Helvetica Neue", Helvetica, Arial, ui-sans-serif, system-ui, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

[data-theme="dark"] {
  color-scheme: dark;
  --paper: #151a16;
  --paper-raised: #1b211c;
  --ink: #e9ede6;
  --ink-soft: #b7c0b7;
  --muted: #899289;
  --line: #313b33;
  --line-strong: #536158;
  --sage: #93ae96;
  --sage-dark: #b6cbb7;
  --sage-pale: #263329;
  --selection: #3c5741;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 180ms ease, color 180ms ease;
}

::selection {
  background: var(--selection);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.6rem 0.9rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.75rem;
  transform: translateY(-160%);
  transition: transform 120ms ease;
}

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

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

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

.site-header {
  min-height: 90px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}

.wordmark-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--sage-dark);
  font-size: 0.62rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: lowercase;
}

.site-nav a,
.site-footer a {
  color: var(--ink-soft);
  transition: color 120ms ease;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--sage-dark);
}

.site-nav a[aria-current="page"] {
  color: var(--sage-dark);
}

.theme-toggle {
  justify-self: end;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.theme-toggle:hover {
  border-color: var(--line-strong);
  background: var(--sage-pale);
}

.theme-toggle svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.moon-icon,
[data-theme="dark"] .sun-icon {
  display: none;
}

[data-theme="dark"] .moon-icon {
  display: block;
}

.hero {
  min-height: min(710px, calc(100vh - 90px));
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.65fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  padding-block: clamp(5rem, 11vw, 9rem);
}

.kicker,
.section-index,
.mono-label,
.eyebrow {
  margin: 0;
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.69rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.kicker-line {
  width: 2.4rem;
  height: 1px;
  background: var(--sage);
}

.hero h1 {
  margin: 1.35rem 0 0;
  font-size: clamp(4.75rem, 13vw, 9.4rem);
  font-weight: 620;
  letter-spacing: -0.09em;
  line-height: 0.88;
}

.accent {
  color: var(--sage);
}

.hero-role {
  max-width: 660px;
  margin: 2.25rem 0 0;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.hero-statement {
  max-width: 590px;
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: 2.6rem;
}

.text-link {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.76rem;
  padding-bottom: 0.25rem;
  transition: color 120ms ease, border-color 120ms ease;
}

.text-link:hover {
  color: var(--sage-dark);
  border-color: var(--sage);
}

.text-link span,
.note-arrow {
  transition: transform 120ms ease;
}

.text-link:hover span,
.note-row:hover .note-arrow {
  transform: translate(2px, -2px);
}

.now-card {
  position: relative;
  align-self: center;
  border-top: 2px solid var(--sage);
  border-bottom: 1px solid var(--line);
  padding: 1.35rem 0 1.1rem;
}

.now-card::before {
  content: "";
  position: absolute;
  top: -5px;
  right: 0;
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 1px solid var(--sage);
  border-radius: 50%;
}

.now-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.live-label,
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.live-dot,
.status > span {
  width: 6px;
  height: 6px;
  background: var(--sage);
  border-radius: 50%;
}

.now-list {
  margin: 1.5rem 0 0;
}

.now-list > div {
  display: grid;
  grid-template-columns: 6.4rem 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.now-list dt,
.project-meta dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
  text-transform: uppercase;
}

.now-list dd,
.project-meta dd {
  margin: 0;
  font-size: 0.83rem;
}

.now-updated {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
}

.now-roadmap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.65rem;
  transition: color 120ms ease;
}

.now-roadmap:hover {
  color: var(--sage-dark);
}

.now-ultimate {
  margin-top: 0;
}

.rule {
  display: flex;
  align-items: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
}

.rule::before {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.rule span {
  padding-left: 0.8rem;
}

.section {
  padding-block: clamp(5rem, 10vw, 8.5rem);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.55fr);
  gap: clamp(2rem, 8vw, 7rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section h2,
.about-heading h2 {
  max-width: 750px;
  margin: 0.85rem 0 0;
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  font-weight: 520;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.section-head > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.project-list {
  border-top: 1px solid var(--line-strong);
}

.project-row {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) minmax(210px, 0.32fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(2rem, 4vw, 3.25rem) 0;
  border-bottom: 1px solid var(--line);
}

.project-number {
  padding-top: 0.45rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.project-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project-heading h3 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  font-weight: 540;
  letter-spacing: -0.055em;
  line-height: 1;
}

.project-heading h3 a {
  transition: color 120ms ease;
}

.project-heading h3 a:hover {
  color: var(--sage-dark);
}

.muted-title {
  color: var(--muted);
  font-weight: 400;
}

.status-muted {
  color: var(--muted);
}

.project-summary {
  max-width: 680px;
  margin: 1.4rem 0 0;
  font-size: clamp(1.02rem, 1.8vw, 1.2rem);
  line-height: 1.55;
}

.project-note {
  position: relative;
  max-width: 670px;
  margin: 1.2rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.project-note::before {
  content: "";
  position: absolute;
  top: 0.45rem;
  bottom: 0.35rem;
  left: 0;
  width: 2px;
  background: var(--line-strong);
}

.tag-list,
.interest-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li,
.interest-list li {
  border: 1px solid var(--line);
  padding: 0.28rem 0.55rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.61rem;
}

.project-meta {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  border-left: 1px solid var(--line);
  padding-left: clamp(1rem, 3vw, 2.25rem);
}

.project-meta dl {
  width: 100%;
  margin: 0;
}

.project-meta dl div {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
}

.circle-link {
  width: 2.8rem;
  height: 2.8rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: var(--mono);
  transition: background-color 120ms ease, color 120ms ease, transform 120ms ease;
}

.circle-link:hover {
  background: var(--sage-dark);
  color: var(--paper);
  transform: rotate(8deg);
}

.section-head-compact {
  grid-template-columns: 1fr auto;
}

.section-head-compact .text-link {
  margin-bottom: 0.25rem;
}

.note-list {
  border-top: 1px solid var(--line-strong);
}

.note-row {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) 12rem 1.5rem;
  gap: 1.5rem;
  align-items: center;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
  transition: color 120ms ease, padding 120ms ease;
}

.note-row:hover {
  color: var(--sage-dark);
  padding-inline: 0.4rem;
}

.note-row time,
.note-kind {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.note-title {
  font-size: clamp(0.98rem, 1.6vw, 1.14rem);
  letter-spacing: -0.015em;
}

.note-kind {
  text-align: right;
}

.note-arrow {
  font-family: var(--mono);
  text-align: right;
}

.mobile-link {
  display: none;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: clamp(3rem, 10vw, 9rem);
}

.about-heading {
  align-self: start;
}

.about-copy {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
}

.about-copy > p:first-child {
  margin-top: 0;
}

.about-copy strong {
  color: var(--ink);
  font-weight: 600;
}

.process {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-top: 2.5rem;
  border-block: 1px solid var(--line);
  padding: 1rem 0;
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.process span:nth-child(even) {
  color: var(--muted);
}

.interest-list li {
  background: var(--paper-raised);
}

.social-block {
  margin-top: 3rem;
  border-top: 1px solid var(--line-strong);
  padding-top: 1.25rem;
}

.social-links {
  margin-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.social-links a,
.social-links button {
  width: 100%;
  display: grid;
  grid-template-columns: 6rem 1fr auto;
  gap: 1rem;
  align-items: center;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 0.8rem 0;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: color 120ms ease, padding 120ms ease;
}

.social-links a:hover,
.social-links button:hover {
  padding-inline: 0.35rem;
  color: var(--sage-dark);
}

.social-links span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.61rem;
  font-weight: 400;
  text-transform: uppercase;
}

.social-links strong {
  font-size: 0.86rem;
  font-weight: 550;
}

.copy-feedback {
  min-height: 1rem;
  margin: 0.55rem 0 0;
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.6rem;
}

.site-footer {
  min-height: 150px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
}

.site-footer > p:first-child {
  max-width: 430px;
}

.site-footer div {
  display: flex;
  gap: 1.5rem;
}

/* Interior pages */
.subpage-header {
  position: relative;
}

.subpage-main {
  padding-bottom: clamp(5rem, 10vw, 9rem);
}

.project-hero,
.writing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.34fr);
  gap: clamp(3rem, 9vw, 8rem);
  padding-block: clamp(5rem, 10vw, 8rem);
  border-bottom: 1px solid var(--line-strong);
}

.back-link {
  display: inline-flex;
  gap: 0.5rem;
  margin-bottom: 2.4rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.back-link:hover {
  color: var(--sage-dark);
}

.project-hero h1,
.writing-hero h1 {
  margin: 1rem 0 0;
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 560;
  letter-spacing: -0.08em;
  line-height: 0.9;
}

.writing-hero h1 {
  font-size: clamp(3.4rem, 8vw, 6.5rem);
}

.project-deck,
.writing-deck {
  max-width: 700px;
  margin: 2.2rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.5;
}

.hero-facts {
  align-self: end;
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.hero-facts > div {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}

.hero-facts dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  font-size: 0.85rem;
}

.project-body {
  display: grid;
  grid-template-columns: minmax(180px, 0.32fr) minmax(0, 1fr);
  gap: clamp(2rem, 9vw, 8rem);
  padding-top: clamp(4rem, 8vw, 7rem);
}

.project-toc {
  align-self: start;
  position: sticky;
  top: 2rem;
}

.project-toc p {
  margin: 0 0 0.9rem;
}

.project-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.project-toc li {
  counter-increment: toc;
  border-top: 1px solid var(--line);
}

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

.project-toc a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.5rem;
  padding: 0.65rem 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.project-toc a::before {
  content: "0" counter(toc);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
}

.project-toc a:hover {
  color: var(--sage-dark);
}

.prose {
  min-width: 0;
}

.prose-section {
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  scroll-margin-top: 2rem;
}

.prose-section + .prose-section {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
}

.prose-section h2 {
  max-width: 680px;
  margin: 0 0 1.5rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 540;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.prose-section h3 {
  margin: 2.5rem 0 0.8rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.prose-section > p,
.prose-section > ul,
.prose-section > ol {
  max-width: 720px;
  color: var(--ink-soft);
}

.prose-section > p {
  font-size: 1.02rem;
}

.prose-section li + li {
  margin-top: 0.4rem;
}

.prose-section code,
.article-body code {
  border: 1px solid var(--line);
  background: var(--paper-raised);
  padding: 0.1rem 0.3rem;
  font-family: var(--mono);
  font-size: 0.82em;
}

.architecture-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 2.2rem;
  border-block: 1px solid var(--line-strong);
}

.architecture-flow > div {
  position: relative;
  min-height: 135px;
  padding: 1.1rem;
  border-right: 1px solid var(--line);
}

.architecture-flow > div:last-child {
  border-right: 0;
}

.architecture-flow > div:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.55rem;
  z-index: 1;
  width: 1.1rem;
  height: 1.1rem;
  display: grid;
  place-items: center;
  background: var(--paper);
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.architecture-flow span {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
}

.architecture-flow strong {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.9rem;
  font-weight: 550;
}

.architecture-flow small {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.4;
}

.spec-grid,
.failure-grid,
.writing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.spec-grid > div,
.failure-grid > div,
.writing-card {
  background: var(--paper);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.spec-grid span,
.failure-grid span {
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.61rem;
  text-transform: uppercase;
}

.spec-grid strong,
.failure-grid strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.95rem;
  font-weight: 570;
}

.spec-grid p,
.failure-grid p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.pullquote {
  max-width: 760px;
  margin: 2.5rem 0;
  border-left: 2px solid var(--sage);
  padding: 0.5rem 0 0.5rem 1.4rem;
  color: var(--ink);
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  letter-spacing: -0.025em;
  line-height: 1.45;
}

.android-release-card {
  max-width: 820px;
  margin-top: 2.25rem;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--paper-raised);
}

.android-release-main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 1.6rem);
  align-items: center;
  padding: clamp(1.35rem, 4vw, 2.1rem);
}

.android-app-mark {
  width: clamp(3.75rem, 8vw, 4.8rem);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
}

.android-app-mark svg {
  width: 58%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.android-app-mark circle {
  fill: currentColor;
  stroke: none;
}

.release-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.release-tag,
.vibe-tag {
  width: fit-content;
  border: 1px solid var(--sage);
  color: var(--sage-dark);
  padding: 0.2rem 0.48rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  line-height: 1.4;
  text-transform: uppercase;
}

.release-tag-soft {
  border-color: var(--line-strong);
  color: var(--muted);
}

.android-release-copy h3 {
  margin: 0.65rem 0 0;
  font-size: clamp(1.15rem, 3vw, 1.45rem);
  font-weight: 580;
  letter-spacing: -0.025em;
}

.android-release-copy p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.android-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 2.8rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 0.65rem 0.9rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  white-space: nowrap;
  transition: background-color 120ms ease, color 120ms ease;
}

.android-download svg {
  width: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.android-download:hover {
  background: transparent;
  color: var(--ink);
}

.android-release-warning {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.9rem;
  align-items: start;
  border-top: 1px solid var(--line-strong);
  background: var(--sage-pale);
  padding: 1.15rem clamp(1.35rem, 4vw, 2.1rem);
}

.warning-mark {
  width: 1.35rem;
  height: 1.35rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--sage);
  border-radius: 50%;
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
}

.android-release-warning strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 620;
}

.android-release-warning p {
  max-width: 600px;
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.55;
}

.vibe-tag {
  align-self: start;
  border-color: var(--line-strong);
  color: var(--ink-soft);
  white-space: nowrap;
}

.next-project {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--line-strong);
}

.next-project span {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.next-project strong {
  display: block;
  margin-top: 0.4rem;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 520;
  letter-spacing: -0.04em;
}

.next-project:hover strong {
  color: var(--sage-dark);
}

.writing-index {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.writing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0;
}

.writing-card {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  transition: background-color 120ms ease;
}

.writing-card:hover {
  background: var(--sage-pale);
}

.writing-card time,
.article-meta {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
}

.writing-card h2 {
  margin: 2.8rem 0 1rem;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 540;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.writing-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.writing-card > span {
  margin-top: auto;
  padding-top: 2rem;
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.writing-card:only-child {
  grid-column: span 2;
}

/* The extremely serious premium tier */
.premium-hero {
  min-height: min(760px, calc(100vh - 90px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.38fr);
  gap: clamp(3rem, 10vw, 9rem);
  align-items: center;
  padding-block: clamp(5rem, 10vw, 8rem);
  border-bottom: 1px solid var(--line-strong);
}

.premium-heading h1 {
  margin: 1.6rem 0 0;
  font-size: clamp(3.2rem, 7.6vw, 7rem);
  font-weight: 620;
  letter-spacing: -0.075em;
  line-height: 0.83;
}

.premium-heading h1 span {
  color: var(--sage);
}

.premium-tagline {
  max-width: 650px;
  margin: 2.3rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.premium-price-card {
  border: 1px solid var(--line-strong);
  background: var(--paper-raised);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.premium-price {
  margin: 2.4rem 0 0;
  font-size: clamp(4.8rem, 9vw, 7.5rem);
  font-weight: 600;
  letter-spacing: -0.08em;
  line-height: 0.9;
}

.premium-price span {
  display: inline-block;
  margin-right: 0.12em;
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.24em;
  font-weight: 400;
  letter-spacing: 0;
  vertical-align: top;
}

.premium-frequency,
.premium-safe {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.premium-frequency {
  margin: 0.9rem 0 2rem;
  text-transform: uppercase;
}

.premium-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  background: var(--sage-dark);
  color: var(--paper);
  padding: 0.9rem 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  transition: background-color 120ms ease, transform 120ms ease;
}

.premium-button:hover {
  background: var(--ink);
  transform: translateY(-2px);
}

.premium-safe {
  margin: 0.8rem 0 0;
  text-align: center;
}

.premium-benefits {
  padding-block: clamp(5rem, 11vw, 9rem);
}

.premium-benefits > header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: end;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}

.premium-benefits h2 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 540;
  letter-spacing: -0.06em;
  line-height: 1;
}

.benefit-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.benefit-list li {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) minmax(220px, 0.45fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
  min-height: 100px;
  border-bottom: 1px solid var(--line);
}

.benefit-list span,
.benefit-list small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
}

.benefit-list strong {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 540;
  letter-spacing: -0.025em;
}

.benefit-list small {
  line-height: 1.6;
}

.premium-disclaimer {
  margin: clamp(3rem, 7vw, 5rem) 0 0 auto;
  max-width: 650px;
  border-left: 2px solid var(--sage);
  padding-left: 1.25rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.joke-body {
  background: #151a16;
  color: #e9ede6;
}

.joke-page {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  padding-block: 5rem;
}

.joke-page h1 {
  max-width: 900px;
  margin: 1.5rem 0 0;
  font-size: clamp(4rem, 11vw, 9rem);
  font-weight: 600;
  letter-spacing: -0.08em;
  line-height: 0.9;
}

.joke-page > p:not(.kicker) {
  max-width: 620px;
  margin: 2rem 0 0;
  color: #b7c0b7;
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.joke-page .text-link {
  color: #e9ede6;
  border-color: #536158;
}

.joke-mark {
  position: absolute;
  top: 10%;
  right: var(--pad);
  color: #263329;
  font-family: var(--mono);
  font-size: clamp(7rem, 22vw, 18rem);
  line-height: 1;
  transform: rotate(8deg);
  user-select: none;
}

/* Public roadmap */
.roadmap-page {
  padding-block: clamp(5rem, 10vw, 9rem);
}

.roadmap-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: clamp(2rem, 9vw, 8rem);
  align-items: end;
  margin-bottom: clamp(3rem, 7vw, 5.5rem);
}

.roadmap-intro h2 {
  margin: 0.8rem 0 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 530;
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.roadmap-intro > p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.roadmap-list {
  border-top: 1px solid var(--line-strong);
}

.roadmap-item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: start;
  border-bottom: 1px solid var(--line);
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.roadmap-number {
  padding-top: 0.15rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
}

.roadmap-copy h3 {
  margin: 0.75rem 0 0;
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 530;
  letter-spacing: -0.055em;
  line-height: 1;
}

.roadmap-copy > p:not(.mono-label) {
  max-width: 660px;
  margin: 1.25rem 0 1.5rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.roadmap-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--line);
  padding: 0.38rem 0.55rem;
  color: var(--sage-dark);
  font-family: var(--mono);
  font-size: 0.59rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.roadmap-status > span {
  width: 6px;
  height: 6px;
  background: var(--sage);
  border-radius: 50%;
}

.roadmap-status-muted {
  color: var(--muted);
}

/* Freelance */
.freelance-note {
  max-width: 720px;
  margin: clamp(3rem, 7vw, 5rem) 0 0 auto;
  border-left: 2px solid var(--sage);
  padding: 0.25rem 0 0.25rem 1.25rem;
}

.freelance-note > p:last-child {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.freelance-proof-grid {
  margin-top: 0;
}

.freelance-proof-grid > div {
  display: flex;
  flex-direction: column;
  min-height: 240px;
}

.freelance-proof-grid .text-link {
  margin-top: auto;
  padding-top: 1.5rem;
}

.contact-links {
  margin-top: 2.5rem;
}

.contact-links .email-contact strong {
  color: var(--sage-dark);
}

.article-page {
  max-width: 840px;
  padding-top: clamp(4rem, 9vw, 7rem);
  padding-bottom: clamp(6rem, 12vw, 10rem);
}

.article-header {
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line-strong);
}

.article-header h1 {
  max-width: 810px;
  margin: 1.3rem 0 1.5rem;
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  font-weight: 550;
  letter-spacing: -0.065em;
  line-height: 1;
}

.article-deck {
  max-width: 680px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.article-body {
  max-width: 680px;
  margin-top: clamp(3rem, 7vw, 5rem);
  color: var(--ink-soft);
}

.article-body > p:first-child {
  color: var(--ink);
  font-size: 1.15rem;
}

.article-body h2 {
  margin: 3.5rem 0 1rem;
  color: var(--ink);
  font-size: 1.75rem;
  font-weight: 560;
  letter-spacing: -0.035em;
}

.article-body blockquote {
  margin: 2.5rem 0;
  border-left: 2px solid var(--sage);
  padding-left: 1.3rem;
  color: var(--ink);
  font-size: 1.18rem;
}

.article-body .data-table {
  width: 100%;
  margin: 2rem 0;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.data-table th,
.data-table td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.data-table th {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 400;
  text-transform: uppercase;
}

.article-end {
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
    gap: 4.5rem;
  }

  .now-card {
    width: min(100%, 520px);
  }

  .project-row {
    grid-template-columns: 2rem minmax(0, 1fr);
  }

  .project-meta {
    grid-column: 2;
    flex-direction: row;
    align-items: flex-end;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 1rem 0 0;
  }

  .project-meta dl {
    max-width: 360px;
  }

  .note-row {
    grid-template-columns: 7.5rem minmax(0, 1fr) 1.5rem;
  }

  .note-kind {
    display: none;
  }

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

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

  .footer-copy {
    display: none;
  }

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

  .hero-facts {
    max-width: 480px;
  }

  .project-body {
    grid-template-columns: 1fr;
  }

  .project-toc {
    position: static;
  }

  .project-toc ol {
    display: flex;
    flex-wrap: wrap;
  }

  .project-toc li,
  .project-toc li:last-child {
    border: 0;
    margin-right: 1rem;
  }

  .project-toc a {
    grid-template-columns: auto 1fr;
  }

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

  .writing-card:only-child {
    grid-column: auto;
  }

  .premium-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .premium-price-card {
    width: min(100%, 480px);
  }

  .writing-card {
    min-height: 230px;
  }
}

@media (max-width: 620px) {
  :root {
    --pad: 1.15rem;
  }

  .site-header {
    min-height: 74px;
  }

  .wordmark > span:last-child {
    display: none;
  }

  .hero {
    padding-block: 4.5rem 5.5rem;
  }

  .hero-copy,
  .now-card,
  .project-hero > *,
  .writing-hero > * {
    min-width: 0;
  }

  .hero h1 {
    font-size: clamp(4rem, 23vw, 6.4rem);
  }

  .hero-role {
    margin-top: 1.8rem;
  }

  .hero-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .android-release-main {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .android-download {
    grid-column: 1 / -1;
    width: 100%;
  }

  .android-release-warning {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .vibe-tag {
    grid-column: 2;
  }

  .now-list > div {
    grid-template-columns: 5.5rem 1fr;
  }

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

  .desktop-link {
    display: none;
  }

  .mobile-link {
    display: inline-flex;
    margin-top: 2rem;
  }

  .project-row {
    grid-template-columns: 1fr;
  }

  .project-number {
    padding-top: 0;
  }

  .project-main,
  .project-meta {
    grid-column: 1;
  }

  .project-heading {
    display: block;
  }

  .project-heading .status {
    margin-top: 0.8rem;
  }

  .project-meta {
    align-items: center;
  }

  .project-meta dl div {
    grid-template-columns: 4rem 1fr;
  }

  .note-row {
    grid-template-columns: 1fr 1.5rem;
    gap: 0.45rem 1rem;
    padding-block: 1.3rem;
  }

  .note-row time {
    grid-column: 1 / -1;
  }

  .note-arrow {
    grid-column: 2;
    grid-row: 2;
  }

  .process span:nth-child(even) {
    transform: rotate(90deg);
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding-block: 2.5rem;
  }

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

  .roadmap-intro,
  .roadmap-item {
    grid-template-columns: 1fr;
  }

  .roadmap-status {
    width: fit-content;
  }

  .premium-hero {
    min-height: auto;
    padding-block: 4rem 5rem;
  }

  .premium-heading h1 {
    font-size: clamp(2.7rem, 14vw, 4.2rem);
    line-height: 0.9;
  }

  .premium-benefits > header,
  .benefit-list li {
    grid-template-columns: 1fr;
  }

  .premium-benefits > header {
    gap: 0.8rem;
  }

  .benefit-list li {
    gap: 0.55rem;
    padding-block: 1.5rem;
  }

  .benefit-list small {
    max-width: 330px;
  }

  .joke-page h1 {
    font-size: clamp(3.6rem, 19vw, 5.4rem);
  }

  .project-hero,
  .writing-hero {
    padding-block: 4rem;
  }

  .project-hero h1,
  .writing-hero h1 {
    font-size: clamp(3.4rem, 19vw, 5.2rem);
  }

  .architecture-flow {
    grid-template-columns: 1fr;
  }

  .architecture-flow > div {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .architecture-flow > div:last-child {
    border-bottom: 0;
  }

  .architecture-flow > div:not(:last-child)::after {
    top: auto;
    right: 1rem;
    bottom: -0.55rem;
    transform: rotate(90deg);
  }

  .spec-grid,
  .failure-grid {
    grid-template-columns: 1fr;
  }

  .project-toc {
    display: none;
  }

  .article-page {
    padding-top: 3rem;
  }
}

@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;
  }
}