:root {
  --background: #fff;
  --foreground: #000;
  --life-cell-color: rgba(72, 72, 72, 0.055);
  --life-cell-size: 8px;
  --content-width: 600px;
  --content-gutter: calc(var(--life-cell-size) * 5);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color: var(--foreground);
  font:
    18px/1.55 Georgia,
    Palatino,
    "Palatino Linotype",
    Times,
    "Times New Roman",
    serif;
}

body {
  min-height: 170vh;
  margin: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

.life-rail {
  position: fixed;
  top: 0;
  bottom: 0;
  width: max(0rem, calc((100vw - var(--content-width)) / 2 - var(--content-gutter)));
  height: 100vh;
  pointer-events: none;
}

.life-rail--left {
  left: 0;
}

.life-rail--right {
  right: 0;
}

.page {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(var(--content-width), calc(100vw - 2rem));
  min-height: 170vh;
  margin: 0 auto;
  padding: clamp(5rem, 11vh, 7rem) 0 0;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 7rem;
  gap: 1rem;
  align-items: center;
}

.portrait {
  display: block;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  object-fit: cover;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2.3rem, 7vw, 3.4rem);
  font-weight: normal;
  letter-spacing: 0;
  line-height: 1.05;
}

h2 {
  margin-bottom: 0.55rem;
  font-size: 1.35rem;
  font-weight: normal;
  letter-spacing: 0;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  margin-top: 1.5rem;
}

section {
  display: grid;
  row-gap: 1.35rem;
  padding-top: clamp(3.75rem, 9vh, 5rem);
}

section > p {
  max-width: 38rem;
}

.pulsar-footer {
  display: flex;
  justify-content: center;
  margin-top: auto;
  padding: clamp(4.5rem, 10vh, 6rem) 0 2rem;
}

#pulsar-end {
  display: block;
  width: calc(var(--life-cell-size) * 15);
  height: calc(var(--life-cell-size) * 15);
  image-rendering: pixelated;
}

@media (max-width: 56rem) {
  .life-rail {
    display: none;
  }
}

@media (max-width: 42rem) {
  .masthead {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .portrait {
    grid-row: 1;
    width: 6.5rem;
    height: 6.5rem;
  }
}