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

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: light dark;
  text-rendering: optimizeLegibility;
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

body,
h1,
h2,
h3,
p,
figure,
blockquote,
dl,
dd {
  margin-block: 0;
}

body {
  min-width: 320px;
  margin: 0;
}

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

img,
picture {
  height: auto;
}

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

button {
  cursor: pointer;
}

textarea {
  resize: vertical;
}

:target {
  scroll-margin-block: 5rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

:root {
  --paper: #f7f7f3;
  --paper-raised: #ffffff;
  --ink: #111111;
  --ink-soft: #3d3d39;
  --ink-muted: #6b6b64;
  --line: #d8d7cf;
  --accent: #a33a2b;
  --accent-soft: #efe3df;
  --shadow-ink: rgba(17, 17, 17, 0.08);
  --measure: 43rem;
  --wide-measure: 58rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --font-sans:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-mono:
    ui-monospace, "SFMono-Regular", "Cascadia Code", "Roboto Mono", Menlo,
    Consolas, monospace;

  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.72;
}

body {
  min-height: 100svh;
  color: var(--ink);
  background:
    linear-gradient(
        90deg,
        transparent 0,
        transparent 49%,
        var(--line) 49%,
        transparent 50%
      )
      top left / 100% 1px no-repeat,
    var(--paper);
}

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

a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, var(--accent), transparent 35%);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0.18em;
}

.home,
.page {
  width: min(calc(100% - 2rem), var(--wide-measure));
  margin-inline: auto;
  padding-block: var(--space-8);
}

.home {
  display: grid;
  gap: var(--space-8);
}

.page {
  max-width: var(--measure);
}

.identity {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
  max-width: var(--measure);
}

.portrait {
  width: 5.5rem;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 1rem 3rem var(--shadow-ink);
}

.identity__body,
.page__header,
.contact-form,
.fact-list,
.index-section {
  display: grid;
  gap: var(--space-4);
}

.identity-title,
.site-nav,
.site-backlink,
.section-label,
.item-meta,
.form-note {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.identity-title {
  margin-block-end: calc(var(--space-2) * -1);
  color: var(--ink-muted);
  font-weight: 400;
  line-height: inherit;
}

h1,
h2,
h3 {
  max-width: var(--measure);
  color: var(--ink);
  font-weight: 650;
  letter-spacing: 0;
}

h1 {
  font-size: 2.7rem;
  line-height: 1.06;
}

h1.identity-title {
  margin-block-end: calc(var(--space-2) * -1);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: inherit;
}

.page h1 {
  max-width: var(--measure);
}

h2 {
  font-size: 1rem;
  line-height: 1.25;
}

p {
  max-width: var(--measure);
}

.lede {
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: 1.06rem;
}

.alias-note {
  width: fit-content;
  border: 1px solid var(--line);
  color: var(--ink-muted);
  background: color-mix(in srgb, var(--paper-raised), transparent 24%);
  padding: 0.12rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

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

.identity .site-nav {
  gap: var(--space-2);
}

.identity .site-nav a {
  border: 1px solid var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.45rem 0.75rem;
  font-family: var(--font-sans);
  font-weight: 650;
}

.identity .site-nav a:hover,
.identity .site-nav a:focus-visible {
  color: var(--paper-raised);
  background: var(--accent);
}

.index-section {
  max-width: var(--measure);
}

.section-label {
  color: var(--accent);
  font-weight: 650;
}

.link-list,
.fact-list {
  padding: 0;
  list-style: none;
}

.link-list {
  display: grid;
  gap: 0;
  max-width: var(--measure);
}

.link-list li {
  border-block-start: 1px solid var(--line);
}

.link-list li:last-child {
  border-block-end: 1px solid var(--line);
}

.index-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  padding-block: var(--space-5);
  text-decoration: none;
}

.index-link strong,
.fact-group h2 {
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 650;
  line-height: 1.32;
}

.index-link span span {
  display: block;
  margin-block-start: var(--space-1);
  color: var(--ink-soft);
}

.index-link__arrow {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1rem;
}

.page__header {
  margin-block: var(--space-6) var(--space-7);
}

.contact-form {
  gap: var(--space-5);
}

.contact-form label {
  display: grid;
  gap: var(--space-2);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-block-end: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  padding: 0.7rem 0;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  outline: 0;
}

.contact-form textarea {
  min-height: 9rem;
}

.contact-form button {
  width: fit-content;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.45rem 0.75rem;
  font-weight: 650;
}

.contact-form button:hover,
.contact-form button:focus-visible {
  color: var(--paper-raised);
  background: var(--accent);
}

.hidden-field {
  display: none;
}

.fact-list {
  gap: var(--space-6);
}

.fact-group {
  display: grid;
  gap: var(--space-2);
  padding-block-start: var(--space-5);
  border-block-start: 1px solid var(--line);
}

.fact-group ul {
  display: grid;
  gap: var(--space-2);
  padding: 0;
  list-style: none;
}

.fact-group li {
  position: relative;
  padding-inline-start: var(--space-4);
  color: var(--ink-soft);
  line-height: 1.6;
}

.fact-group li::before {
  position: absolute;
  inset-inline-start: 0;
  color: var(--accent);
  content: "-";
}

@media (width <= 680px) {
  :root {
    font-size: 16px;
  }

  .home,
  .page {
    width: min(calc(100% - 1.25rem), var(--wide-measure));
    padding-block: var(--space-7);
  }

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

  h1 {
    max-width: 12ch;
    font-size: 2.15rem;
  }

  .page h1 {
    max-width: var(--measure);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111210;
    --paper-raised: #191a17;
    --ink: #f4f1e9;
    --ink-soft: #d2cec3;
    --ink-muted: #969184;
    --line: #34342f;
    --accent: #d46a55;
    --accent-soft: #281a17;
    --shadow-ink: rgba(0, 0, 0, 0.35);
  }
}