@font-face {
  font-family: "Ioskeley Mono";
  src: url("/assets/fonts/IoskeleyMono-Regular.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

@font-face {
  font-family: "Ioskeley Mono";
  src: url("/assets/fonts/IoskeleyMono-SemiBold.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 600;
}

@font-face {
  font-family: "Ioskeley Mono";
  src: url("/assets/fonts/IoskeleyMono-Bold.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 700;
}

:root {
  color-scheme: light;
  --light-canvas: #ecebe7;
  --light-paper: #faf8f1;
  --light-ink: #29271f;
  --light-heading: #191812;
  --light-muted: #726e62;
  --light-line: #d6d0c1;
  --light-line-strong: #9f998b;
  --light-accent: #956307;
  --light-accent-soft: #eee0b8;
  --light-body-copy: #4f4c43;
  --dark-canvas: #0f100e;
  --dark-paper: #171713;
  --dark-ink: #ddd9cc;
  --dark-heading: #f4f0e2;
  --dark-muted: #908a7c;
  --dark-line: #38352d;
  --dark-line-strong: #6b6557;
  --dark-accent: #dda925;
  --dark-accent-soft: #4b3b17;
  --dark-body-copy: #bdb8ab;
  --canvas: var(--light-canvas);
  --paper: var(--light-paper);
  --ink: var(--light-ink);
  --heading: var(--light-heading);
  --muted: var(--light-muted);
  --line: var(--light-line);
  --line-strong: var(--light-line-strong);
  --accent: var(--light-accent);
  --accent-soft: var(--light-accent-soft);
  --body-copy: var(--light-body-copy);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Ioskeley Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root[data-palette="pine"] {
  --light-canvas: #e8ece7;
  --light-paper: #f7f5ed;
  --light-ink: #243029;
  --light-heading: #15211b;
  --light-muted: #667168;
  --light-line: #d2d8d1;
  --light-line-strong: #8b9a90;
  --light-accent: #2f6b4f;
  --light-accent-soft: #dce8df;
  --light-body-copy: #465249;
  --dark-canvas: #0d120f;
  --dark-paper: #131a16;
  --dark-ink: #dce5df;
  --dark-heading: #f0f5f1;
  --dark-muted: #8e9d93;
  --dark-line: #303b34;
  --dark-line-strong: #617066;
  --dark-accent: #77b491;
  --dark-accent-soft: #274737;
  --dark-body-copy: #bac6be;
}

:root[data-palette="red"] {
  --light-canvas: #eee9e2;
  --light-paper: #faf6ef;
  --light-ink: #2a211e;
  --light-heading: #1c1513;
  --light-muted: #746661;
  --light-line: #ddd0ca;
  --light-line-strong: #a4938c;
  --light-accent: #8b3a3a;
  --light-accent-soft: #ecd9d4;
  --light-body-copy: #50443f;
  --dark-canvas: #120e0e;
  --dark-paper: #1b1515;
  --dark-ink: #e2d7d3;
  --dark-heading: #f5ece8;
  --dark-muted: #9c8a84;
  --dark-line: #3c302e;
  --dark-line-strong: #70605a;
  --dark-accent: #d47a74;
  --dark-accent-soft: #4d2929;
  --dark-body-copy: #c3b4ae;
}

:root[data-mode="dark"] {
  color-scheme: dark;
  --canvas: var(--dark-canvas);
  --paper: var(--dark-paper);
  --ink: var(--dark-ink);
  --heading: var(--dark-heading);
  --muted: var(--dark-muted);
  --line: var(--dark-line);
  --line-strong: var(--dark-line-strong);
  --accent: var(--dark-accent);
  --accent-soft: var(--dark-accent-soft);
  --body-copy: var(--dark-body-copy);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  font-feature-settings: "calt" 1, "zero" 1;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 20;
  padding: 6px 9px;
  background: var(--heading);
  color: #fff;
  transform: translateY(-160%);
}

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

.shell {
  width: min(620px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 110px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 42px;
}

.nav-links {
  display: flex;
  gap: 18px;
}

.nav-links a {
  padding: 2px 0;
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
  transition: color 140ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.theme-controls,
.palette-switcher {
  display: flex;
  align-items: center;
}

.theme-controls {
  gap: 12px;
}

.palette-switcher {
  gap: 7px;
}

.palette-button,
.mode-toggle {
  position: relative;
  isolation: isolate;
  border: 1.4px solid var(--heading);
  border-radius: 0;
  background: var(--paper);
  color: var(--heading);
  cursor: pointer;
}

.palette-button::after,
.mode-toggle::after {
  position: absolute;
  z-index: -1;
  inset: 3px -3px -3px 3px;
  background-image: radial-gradient(circle, var(--accent) 0.75px, transparent 0.9px);
  background-size: 4px 4px;
  clip-path: polygon(calc(100% - 3px) 0, 100% 0, 100% 100%, 0 100%, 0 calc(100% - 3px), calc(100% - 3px) calc(100% - 3px));
  content: "";
}

.palette-button {
  display: grid;
  width: 22px;
  height: 22px;
  padding: 0;
  place-items: center;
  border-color: transparent;
  background-color: transparent;
  background-image: radial-gradient(circle, var(--swatch) 1px, transparent 1.2px);
  background-size: 4px 4px;
  transition: border-color 140ms ease, transform 140ms ease;
}

.palette-button::before,
.palette-button::after {
  content: none;
}

.palette-button:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.palette-button[aria-pressed="true"] {
  border-color: var(--heading);
  box-shadow: inset 0 0 0 2px var(--paper);
}

.palette-yellow {
  --swatch: #dda925;
}

.palette-pine {
  --swatch: #4b8a68;
}

.palette-red {
  --swatch: #b75550;
}

.mode-toggle {
  display: grid;
  width: 22px;
  height: 22px;
  padding: 0;
  place-items: center;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.mode-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-1px);
}

::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-old(root) {
  z-index: 1;
}

::view-transition-new(root) {
  z-index: 2;
}

main {
  min-width: 0;
}

.intro {
  margin-bottom: 0;
  scroll-margin-top: 30px;
}

h1,
h2 {
  color: var(--heading);
  font-family: var(--sans);
}

h1 {
  margin: 0 0 5px;
  font-size: 42px;
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 1.05;
}

.intro-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px;
  gap: 30px;
  align-items: start;
  max-width: 620px;
  margin-bottom: 36px;
}

.credential-line {
  margin: 0 0 5px;
  color: var(--heading);
  font-size: 13px;
  font-weight: 600;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12px;
}

.contact-links a {
  color: var(--heading);
  text-decoration-color: var(--accent);
}

.portrait-frame {
  position: relative;
  isolation: isolate;
  width: 118px;
  height: 142px;
}

.portrait-frame::after {
  position: absolute;
  z-index: 0;
  inset: 8px -8px -8px 8px;
  background-image: radial-gradient(circle, var(--accent) 1.1px, transparent 1.2px);
  background-size: 6px 6px;
  content: "";
}

.portrait {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 28%;
  border: 1px solid var(--line-strong);
  filter: saturate(0.78) contrast(1.04);
}

.bio {
  max-width: 620px;
  margin-bottom: 44px;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
}

.bio p {
  margin: 0 0 20px;
}

.section {
  margin-bottom: 72px;
  scroll-margin-top: 30px;
}

.system-map {
  max-width: 620px;
  margin: 0 0 72px;
}

.system-map svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--heading);
}

.diagram-lines path {
  fill: none;
  stroke: var(--heading);
  stroke-width: 1.6;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.diagram-cluster > rect:first-child {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.2;
  stroke-dasharray: 4 4;
}

.diagram-cluster-title {
  fill: var(--muted);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.055em;
}

.diagram-box {
  fill: var(--paper);
  stroke: var(--heading);
  stroke-width: 1.6;
  transition: fill 140ms ease, stroke 140ms ease, stroke-width 140ms ease;
}

.diagram-shadow {
  fill: url("#dot-grid");
  stroke: none;
}

.diagram-link {
  cursor: pointer;
}

.diagram-link:hover .diagram-box,
.diagram-link:focus .diagram-box {
  fill: var(--accent-soft);
  stroke: var(--accent);
  stroke-width: 2.2;
}

.diagram-link:focus-visible {
  outline: none;
}

.diagram-node text {
  fill: var(--heading);
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-anchor: middle;
}

.diagram-node .diagram-sub {
  fill: var(--muted);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.035em;
}

.diagram-node .diagram-compact {
  font-size: 15px;
}

.diagram-node .diagram-tight {
  font-size: 12px;
  letter-spacing: 0;
}

.diagram-node .diagram-sub.diagram-compact {
  font-size: 11px;
}

.diagram-node-primary text {
  font-size: 20px;
}

.diagram-node-primary .diagram-sub {
  font-size: 13px;
}

.principle {
  position: relative;
  isolation: isolate;
  width: fit-content;
  max-width: 100%;
  margin: 24px 0 0;
  padding: 14px 17px;
  border: 1.6px solid var(--heading);
  background: var(--paper);
}

.principle::before,
.principle::after {
  position: absolute;
  z-index: -1;
  background-image: radial-gradient(circle, var(--accent) 1.1px, transparent 1.2px);
  background-size: 6px 6px;
  content: "";
}

.principle::before {
  top: 8px;
  right: -8px;
  bottom: -8px;
  width: 8px;
}

.principle::after {
  right: -8px;
  bottom: -8px;
  left: 8px;
  height: 8px;
}

.principle p {
  margin: 0;
  color: var(--heading);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

h2 {
  margin: 0 0 24px;
  font-size: 14px;
  font-weight: 700;
}

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

.project-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 24px;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.project-row:hover .project-name {
  color: var(--accent);
}

.project-name {
  color: var(--heading);
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.15;
  transition: color 140ms ease;
}

.project-label {
  align-self: center;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11px;
}

.project-description {
  grid-column: 1 / -1;
  max-width: 590px;
  color: var(--body-copy);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.55;
}

.archive-list {
  border-top: 0;
}

.archive-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 82px;
  gap: 18px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

a.archive-row:hover > span:first-child {
  color: var(--accent);
}

.archive-row > span:first-child {
  color: var(--heading);
  font-weight: 600;
  white-space: nowrap;
  transition: color 140ms ease;
}

.archive-row > span:nth-child(2) {
  color: var(--body-copy);
  font-family: var(--serif);
  font-size: 14px;
}

.archive-row > span:last-child {
  color: var(--muted);
  font-size: 10px;
  text-align: right;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.areas ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 36px;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.areas li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--body-copy);
  font-family: var(--serif);
}

footer {
  max-width: 620px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-strong);
  color: #9a9da3;
  font-size: 11px;
}

footer nav {
  display: flex;
  gap: 11px;
}

footer a {
  color: var(--muted);
}

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

@media (max-width: 760px) {
  .shell {
    width: min(100% - 36px, 620px);
    padding: 28px 0 72px;
  }

  .site-nav {
    margin-bottom: 42px;
  }

}

@media (max-width: 560px) {
  h1 {
    font-size: 34px;
  }

  .intro-top {
    grid-template-columns: minmax(0, 1fr) 86px;
    gap: 18px;
  }

  .portrait-frame {
    width: 86px;
    height: 104px;
  }

  .portrait-frame::after {
    inset: 6px -6px -6px 6px;
  }

  .archive-row {
    grid-template-columns: 1fr auto;
    gap: 4px 16px;
    padding: 16px 0;
  }

  .archive-row > span:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .archive-row > span:last-child {
    grid-column: 2;
    grid-row: 1;
  }

  .areas ul {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
    gap: 10px;
  }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-mode]) {
    color-scheme: dark;
    --canvas: var(--dark-canvas);
    --paper: var(--dark-paper);
    --ink: var(--dark-ink);
    --heading: var(--dark-heading);
    --muted: var(--dark-muted);
    --line: var(--dark-line);
    --line-strong: var(--dark-line-strong);
    --accent: var(--dark-accent);
    --accent-soft: var(--dark-accent-soft);
    --body-copy: var(--dark-body-copy);
  }

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

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

  * {
    transition-duration: 0.01ms !important;
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 0.01ms !important;
  }

}