@font-face {
  font-family: "SM Mono";
  src: url("fonts/sm-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "SM Mono";
  src: url("fonts/sm-mono-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "SM Slab";
  src: url("fonts/sm-slab-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

:root {
  --bg: #fbfcfd;
  --text: #1c2b3f;
  --heading: #0e2344;
  --muted: #5b6b80;
  --border: #dde3ea;
  --link: #1f4fb0;
  --accent: #d0501e;
  --box: #eef2f6;
  --grid: rgba(14, 35, 68, 0.07);
}

/* dark mode is a blueprint */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12304f;
    --text: #d5e1ee;
    --heading: #fff;
    --muted: #9fb5cd;
    --border: #2c4d71;
    --link: #fff;
    --accent: #ffb070;
    --box: #0e2842;
    --grid: rgba(255, 255, 255, 0.07);
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
  font-size: 15px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "SM Mono", ui-monospace, Menlo, Consolas, monospace;
  line-height: 1.6;
}

a {
  color: var(--link);
  text-underline-offset: 3px;
}

b {
  color: var(--heading);
  font-weight: 600;
}

h1,
h2 {
  font-family: "SM Slab", "SM Mono", monospace;
  font-weight: 600;
  color: var(--heading);
}

h1 {
  margin: 0 0 1.5rem;
  font-size: 3rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  position: relative;
  margin: 0 0 1.5rem;
  font-size: 1.2rem;
}

/* the # link to each section sits out in the margin */
h2 a {
  position: absolute;
  right: 100%;
  padding-right: 1ch;
  color: var(--muted);
  text-decoration: none;
  opacity: 0.5;
}

h2 a:hover {
  opacity: 1;
}

h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--heading);
}

.page {
  max-width: 90ch;
  margin: 0 auto;
  padding: 4.5rem 2rem 3rem;
}

.intro {
  max-width: 64ch;
  margin: 0 0 1.5rem;
}

section {
  margin-top: 4.5rem;
}

/* two column lists: labels on the left, stuff on the right */
dl {
  margin: 0;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
}

.info div,
.entry {
  display: grid;
  grid-template-columns: 20ch minmax(0, 62ch);
  column-gap: 2ch;
}

.entry + .entry {
  margin-top: 2rem;
}

.entry p {
  margin: 0;
}

.entry p + p {
  margin-top: 0.75rem;
}

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

.entry ul {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.entry li {
  position: relative;
}

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

.entry li::before {
  content: "-";
  position: absolute;
  left: -2ch;
  color: var(--muted);
}

.links {
  margin-top: 0.75rem;
}

.links div {
  grid-template-columns: 8ch 1fr;
}

.demo {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  margin-top: 1.5rem;
  border: 1px solid var(--border);
  background-color: var(--box);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  text-decoration: none;
}

.demo span {
  padding: 0.4rem 1.5ch;
  border: 1px solid var(--heading);
  background: var(--bg);
  color: var(--heading);
}

.demo:hover span {
  background: var(--heading);
  color: var(--bg);
}

.entry .caption {
  margin-top: 0.4rem;
  color: var(--muted);
}

footer {
  margin-top: 6rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

footer p {
  margin: 0;
}

footer a {
  color: inherit;
}

/* lab pages */
.back {
  margin: 0 0 2rem;
}

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

canvas {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  background: var(--box);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 2ch;
  margin: 1.5rem 0 1rem;
}

.controls label {
  display: flex;
  align-items: center;
  gap: 1ch;
}

input {
  accent-color: var(--link);
}

button {
  padding: 0.2rem 1.5ch;
  border: 1px solid var(--heading);
  background: var(--bg);
  color: var(--heading);
  font: inherit;
  cursor: pointer;
}

button:hover {
  background: var(--heading);
  color: var(--bg);
}

@media (max-width: 700px) {
  .page {
    padding: 2.5rem 1.25rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 a {
    display: none;
  }

  section {
    margin-top: 3.5rem;
  }

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

  .entry ul {
    padding-left: 2ch;
  }

  .info div {
    grid-template-columns: 10ch 1fr;
    column-gap: 0;
  }

  .skills div {
    grid-template-columns: 1fr;
  }

  .skills div + div {
    margin-top: 0.75rem;
  }
}