:root {
  --paper: #ffffff;
  --ink: #111111;
  --muted: #6b6b6b;
  --link: #0000ee;
  --rule: #cccccc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 15px;
  line-height: 1.6;
  padding: 48px 24px;
}

.page {
  max-width: 680px;
  margin: 0 auto;
}

/* header */

.masthead {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.tagline {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-top: 6px;
}

.logo {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

.logo-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.dot {
  fill: var(--ink);
  transform: translate(0, 0);
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1) var(--delay);
}

.dot-extra {
  opacity: 0;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1) var(--delay),
              opacity 0.4s ease var(--delay);
}

.logo:hover .dot {
  transform: translate(var(--gdx), var(--gdy));
}

.logo:hover .dot-extra {
  opacity: 1;
}

/* body copy */

main {
  padding-top: 40px;
  padding-bottom: 8px;
}

h1 {
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.55;
  margin: 0 0 24px;
  max-width: 34em;
}

.marker {
  opacity: 0.4;
}

h1 del {
  text-decoration-line: line-through;
  opacity: 0.62;
  font-weight: 700;
}

h1 ins {
  text-decoration-line: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  color: var(--link);
  font-style: normal;
  font-weight: 700;
}

/* divider */

.divider {
  color: var(--rule);
  letter-spacing: 0.4em;
  margin: 0;
  padding-bottom: 32px;
  font-size: 14px;
  user-select: none;
}

/* footer */

footer {
  padding-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.bracket-link {
  display: inline-block;
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.bracket-link:hover {
  opacity: 0.6;
}

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

/* motion */

@media (prefers-reduced-motion: reduce) {
  .dot {
    transition: none;
  }
}

/* responsive */

@media (max-width: 560px) {
  body {
    padding: 32px 20px;
  }

  .masthead {
    flex-direction: column-reverse;
  }

  .logo {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
  }

  h1 {
    font-size: 17px;
  }
}