@font-face {
  font-family: 'Firmament';
  src: url('/fonts/Firmament-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

/* ---------- Themes: pink (default), white, black. Palette from AethisDSP. ---------- */

:root,
[data-theme='pink'] {
  color-scheme: light;
  --bg: #f0c8d0;
  --ink: #1a1518;
  --muted: rgba(26, 21, 24, 0.7);
  --hair: rgba(26, 21, 24, 0.16);
  --tint: rgba(26, 21, 24, 0.07);
  --accent: #1a1518;
  --mark: #b06a78;
  --sel-bg: #1a1518;
  --sel-ink: #f0c8d0;
  --panel-bg: #1a1518;
  --panel-ink: #ffffff;
  --panel-muted: rgba(255, 255, 255, 0.58);
  --panel-hair: rgba(255, 255, 255, 0.14);
  --panel-accent: #f0c8d0;
  --panel-accent-ink: #1a1518;
}

[data-theme='white'] {
  color-scheme: light;
  --bg: #fdf8f9;
  --ink: #1a1518;
  --muted: rgba(26, 21, 24, 0.62);
  --hair: rgba(26, 21, 24, 0.12);
  --tint: rgba(26, 21, 24, 0.05);
  --accent: #b06a78;
  --mark: #d98a96;
  --sel-bg: #f0c8d0;
  --sel-ink: #1a1518;
}

[data-theme='black'] {
  color-scheme: dark;
  --bg: #0f0b0d;
  --ink: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.55);
  --hair: rgba(255, 255, 255, 0.12);
  --tint: rgba(255, 255, 255, 0.07);
  --accent: #f0c8d0;
  --mark: #f0c8d0;
  --sel-bg: #f0c8d0;
  --sel-ink: #1a1518;
  --panel-bg: #f0c8d0;
  --panel-ink: #1a1518;
  --panel-muted: rgba(26, 21, 24, 0.68);
  --panel-hair: rgba(26, 21, 24, 0.16);
  --panel-accent: #1a1518;
  --panel-accent-ink: #f0c8d0;
}

:root {
  --gutter: clamp(16px, 4vw, 64px);
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
  --display: 'Firmament', var(--sans);
  --petal: 2.25rem 0.75rem 2.25rem 0.75rem;
  --petal-sm: 1.25rem 0.5rem 1.25rem 0.5rem;
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.icon {
  width: 1em;
  height: 1em;
  flex: none;
}

.wrap {
  padding-inline: var(--gutter);
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -3rem;
  padding: 0.5rem 1rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 999px;
  z-index: 10;
}

.skip:focus {
  top: 0.75rem;
}

.nowrap {
  white-space: nowrap;
}

/* Mono metadata voice. */
.eyebrow {
  margin: 0;
  font: 400 0.6875rem/1.2 var(--mono);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Inline text links: ink with an accent underline. */
.prose a {
  text-decoration: underline 1px var(--accent);
  text-underline-offset: 3px;
}

.prose a:hover {
  text-decoration-thickness: 2px;
}

/* ---------- Header ---------- */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 2.25rem;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--hair);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-right: auto;
  text-decoration: none;
}

.brand-mark {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--mark);
}

.brand-name {
  font: 700 0.8125rem/1 var(--display);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding-block: 0.3rem;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
}

.nav a:hover {
  border-color: var(--hair);
}

.nav a[aria-current='page'] {
  border-color: var(--accent);
}

.themes {
  display: none;
  gap: 0.35rem;
}

.js .themes {
  display: inline-flex;
}

.themes button {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--hair);
  border-radius: 50%;
  cursor: pointer;
}

.themes .icon {
  width: 0.95rem;
  height: 0.95rem;
}

.themes [data-set-theme='white'] {
  background: #fdf8f9;
  color: #1a1518;
}

.themes [data-set-theme='pink'] {
  background: #f0c8d0;
  color: #b06a78;
}

.themes [data-set-theme='black'] {
  background: #0f0b0d;
  color: #f0c8d0;
}

.themes button[aria-pressed='true'] {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--ink);
}

@media (max-width: 719px) {
  .nav {
    order: 3;
    width: 100%;
    gap: 1.5rem;
  }
}

/* ---------- Display type ---------- */

.display {
  margin: 0;
  font: 700 clamp(1.9rem, 8.2vw, 20rem)/0.95 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.display span {
  display: block;
}

.display-mark {
  width: 0.3em;
  height: 0.3em;
  margin-left: 0.04em;
  color: var(--mark);
}

.statement {
  margin: 0;
  font: 800 clamp(1.7rem, 3.5vw, 3.4rem)/1.04 var(--sans);
  letter-spacing: -0.035em;
  text-wrap: balance;
}

/* ---------- Home hero ---------- */

.hero {
  padding-top: clamp(2.5rem, 6vw, 5.5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

/* ---------- Sections ---------- */

.section {
  padding-block: clamp(2rem, 4vw, 3.5rem);
}

.section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.section-head .icon {
  width: 0.9rem;
  height: 0.9rem;
  color: var(--mark);
}

.section-head .rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--hair), transparent);
}

.section-head h2 {
  order: 3;
}

/* Datasheet panel. */
.panel {
  position: relative;
  overflow: hidden;
  padding: clamp(1.75rem, 4.5vw, 4rem);
  border-radius: var(--petal);
  background: var(--panel-bg);
  color: var(--panel-ink);
}

.panel .eyebrow {
  color: var(--panel-muted);
}

.panel-title {
  position: relative;
  margin: 0.75rem 0 0;
  font: 800 clamp(2.75rem, 8vw, 7.5rem)/0.95 var(--sans);
  letter-spacing: -0.045em;
}

.panel-body {
  position: relative;
  max-width: 34rem;
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.panel-body p {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  line-height: 1.6;
  text-wrap: pretty;
}

.panel-art {
  position: absolute;
  right: -3rem;
  bottom: -4rem;
  width: clamp(12rem, 30vw, 28rem);
  height: clamp(12rem, 30vw, 28rem);
  color: var(--panel-accent);
  opacity: 0.12;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  background: var(--panel-accent);
  color: var(--panel-accent-ink);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
}

.pill:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pill-ghost {
  background: transparent;
  color: inherit;
  box-shadow: inset 0 0 0 1px var(--hair);
}

.pill-solid {
  background: var(--ink);
  color: var(--bg);
}

/* ---------- Post list ---------- */

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

.post-row {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) auto auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--hair);
  text-decoration: none;
}

.post-date,
.post-meta {
  font: 400 0.6875rem/1.4 var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.post-title {
  font: 800 clamp(1.35rem, 2.6vw, 2.25rem)/1.1 var(--sans);
  letter-spacing: -0.03em;
}

.post-row .icon {
  align-self: center;
  width: 1.35rem;
  height: 1.35rem;
  color: var(--muted);
}

.post-row:hover .post-title {
  text-decoration: underline 2px var(--accent);
  text-underline-offset: 0.15em;
}

.post-row:hover .icon {
  color: var(--ink);
}

@media (max-width: 719px) {
  .post-row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: 'date meta' 'title icon';
    gap: 0.6rem 1rem;
  }

  .post-date {
    grid-area: date;
  }

  .post-meta {
    grid-area: meta;
  }

  .post-title {
    grid-area: title;
  }

  .post-row .icon {
    grid-area: icon;
  }
}

.more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-weight: 600;
  text-decoration: none;
}

.more:hover {
  text-decoration: underline 1px var(--accent);
  text-underline-offset: 3px;
}

/* ---------- Inner pages ---------- */

.page-hero {
  padding-top: clamp(2.5rem, 6vw, 5.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

.page-hero .statement {
  max-width: 22ch;
  margin-top: clamp(1.75rem, 3.5vw, 3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

/* ---------- Prose ---------- */

.prose {
  max-width: 42rem;
}

.prose > :first-child {
  margin-top: 0;
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 1.25em;
  font-size: 1.125rem;
  line-height: 1.7;
  text-wrap: pretty;
}

.prose .lead {
  font: 800 clamp(1.4rem, 2.4vw, 2rem)/1.2 var(--sans);
  letter-spacing: -0.025em;
}

.prose h2 {
  margin: 2.75rem 0 1rem;
  font: 800 clamp(1.5rem, 2.6vw, 2.25rem)/1.1 var(--sans);
  letter-spacing: -0.03em;
}

.prose code {
  padding: 0.1em 0.35em;
  border-radius: 0.3rem;
  background: var(--tint);
  font: 0.88em var(--mono);
}

.prose pre {
  margin: 1.75rem 0;
  padding: 1.35rem 1.5rem;
  overflow-x: auto;
  border-radius: var(--petal-sm);
  background: #1a1518;
  color: #f7eef0;
  box-shadow: inset 0 0 0 1px var(--hair);
  font: 0.875rem/1.7 var(--mono);
}

.prose pre code {
  padding: 0;
  background: none;
  font-size: inherit;
}

.prose pre .c {
  color: #c49aa4;
}

/* ---------- Post ---------- */

.post-head {
  padding-top: clamp(2rem, 5vw, 4.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

.back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: 400 0.6875rem/1 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}

.back:hover {
  color: var(--ink);
}

.back .icon {
  width: 1rem;
  height: 1rem;
}

.post-h1 {
  margin: clamp(1.5rem, 3vw, 2.5rem) 0 0;
  font: 800 clamp(2.3rem, 6vw, 5.75rem)/0.98 var(--sans);
  letter-spacing: -0.045em;
  max-width: 20ch;
  text-wrap: balance;
}

.post-body {
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: clamp(2rem, 5vw, 4rem);
  padding-top: clamp(3.5rem, 8vw, 7rem);
  padding-bottom: 1.75rem;
  background: #1a1518;
  color: #ffffff;
  border-top: 1px solid var(--hair);
}

.site-footer .eyebrow {
  color: rgba(255, 255, 255, 0.5);
}

.site-footer :focus-visible {
  outline-color: #f0c8d0;
}

.footer-top {
  display: grid;
  gap: 3rem;
}

@media (min-width: 900px) {
  .footer-top {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 5vw;
    align-items: end;
  }
}

.footer-big {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.08em;
  margin-top: 1rem;
  font: 800 clamp(3rem, 9vw, 8.5rem)/0.95 var(--sans);
  letter-spacing: -0.045em;
  text-decoration: none;
}

.footer-big .icon {
  width: 0.45em;
  height: 0.45em;
  color: #f0c8d0;
}

.footer-big:hover {
  color: #f0c8d0;
}

.footer-mail {
  margin: 1rem 0 0;
  font: 400 0.8125rem/1.4 var(--mono);
  color: rgba(255, 255, 255, 0.6);
}

.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer-cols ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.footer-cols li + li {
  margin-top: 0.6rem;
}

.footer-cols a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
}

.footer-cols a:hover {
  color: #f0c8d0;
}

.footer-cols .icon {
  width: 0.95rem;
  height: 0.95rem;
  color: #f0c8d0;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-top: clamp(3.5rem, 7vw, 6rem);
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font: 400 0.6875rem/1.4 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.prose .pill {
  text-decoration: none;
}

.page-hero + .section {
  padding-top: 0;
}

/* Page titles: heavy sans. Firmament is kept for the name alone. */
.display-sans {
  font: 800 clamp(3.5rem, 15vw, 17rem)/0.9 var(--sans);
  letter-spacing: -0.055em;
  text-transform: none;
}

.display-sans .display-mark {
  margin-left: 0.06em;
}

/* Heading-left / text-right rows (About page, home teaser). */
.chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem 5vw;
  padding: 1.75rem 0 2.5rem;
  border-top: 1px solid var(--hair);
}

.chapter:first-child,
.section-head + .chapter {
  border-top-color: var(--ink);
}

@media (min-width: 900px) {
  .chapter {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    padding-block: 2.25rem 3rem;
  }
}

/* Posts: meta sits above the text so the prose starts on the title's left edge. */
.post-body .chapter {
  grid-template-columns: minmax(0, 1fr);
  row-gap: clamp(1.5rem, 3vw, 2.25rem);
}

.chapter-title {
  margin: 0;
  font: 800 clamp(1.6rem, 2.8vw, 2.6rem)/1.08 var(--sans);
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.chapter .prose p:last-child {
  margin-bottom: 0;
}

.chapter .actions {
  margin-top: 1.75rem;
}

/* "Read more" teaser: the excerpt fades out into the page. */
.fade {
  position: relative;
  max-height: 13.5rem;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.fade::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 6rem;
  background: linear-gradient(transparent, var(--bg));
  pointer-events: none;
}

.nav .icon {
  width: 0.9rem;
  height: 0.9rem;
  color: var(--mark);
}

/* The long pause before the last About section is part of the joke. */
.chapter-hidden {
  margin-top: 70vh;
  border-top-color: var(--hair);
}

.hero-intro {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  border-top-color: var(--ink);
}

.post-info {
  margin: 0;
  font: 400 0.6875rem/1.9 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-intro {
  margin: 1rem 0 0;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  color: var(--muted);
}

.prose strong {
  font-weight: 700;
}

.prose .post-goal {
  margin-bottom: 2rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
}