/* myself landing. Same language as (R)Evolution: two inks, Anybody, dither for every grey. */

:root {
  --paper: #e4e2db;
  --ink: #141414;
  --pad: clamp(16px, 3vw, 48px);
  --bitmap-w: min(58vw, calc(82svh * 1.21));
  /* 2px dither tiles: half the pixels, and one in four. */
  --checker: conic-gradient(var(--ink) 25%, transparent 0 50%, var(--ink) 0 75%, transparent 0);
  --sparse: conic-gradient(from 90deg at 2px 2px, var(--ink) 25%, transparent 0);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--paper); scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Anybody", system-ui, sans-serif;
  font-variation-settings: "wdth" 108;
  font-weight: 420;
  font-size: 1.0625rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }
svg { display: block; }
a { color: inherit; text-decoration-thickness: 2px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 4px; }

/* One e-ink flash on load. */
.flash { position: fixed; inset: 0; z-index: 10; background: var(--ink); }
.flash[hidden] { display: none; }

/* ---------- chrome ---------- */
.chrome { display: flex; justify-content: space-between; align-items: center; padding: 12px var(--pad); }
.mark {
  display: inline-flex; align-items: center; min-height: 44px;
  text-decoration: none;
  font-variation-settings: "wdth" 150; font-weight: 860; font-size: 1.5rem; letter-spacing: -0.02em;
}
.chrome-link {
  display: inline-flex; align-items: center; min-height: 44px;
  font-variation-settings: "wdth" 125; font-weight: 700; font-size: 0.9375rem;
}

/* ---------- type ---------- */
.h2 {
  margin: 0 0 0.45em;
  font-variation-settings: "wdth" 50; font-weight: 900;
  font-size: clamp(2.75rem, 7.5vw, 6.5rem); line-height: 0.85; letter-spacing: -0.01em;
}
.lead {
  margin: 0; max-width: 20ch;
  font-variation-settings: "wdth" 150; font-weight: 330;
  font-size: clamp(1.25rem, 2.1vw, 2rem); line-height: 1.12;
}
code {
  font-family: inherit; font-variation-settings: "wdth" 80; font-weight: 560; font-size: 0.94em;
  padding: 0.05em 0.3em; outline: 1.5px solid var(--ink); outline-offset: -1.5px;
}

/* ---------- front ---------- */
.face { display: grid; padding: 0 var(--pad); column-gap: clamp(16px, 2.5vw, 40px); }
.face--front {
  grid-template-columns: var(--bitmap-w) 1fr auto;
  grid-template-areas: "title statement spine";
  align-items: end;
  padding-top: clamp(8px, 2vw, 24px);
}
.title { display: contents; margin: 0; }
.bitmap { display: block; }
.bitmap svg { width: 100%; height: auto; }
.face--front .bitmap { grid-area: title; width: var(--bitmap-w); }
.fallback { font-variation-settings: "wdth" 50; font-weight: 900; font-size: 40vw; line-height: 0.8; }

.spine {
  grid-area: spine;
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-variation-settings: "wdth" 50; font-weight: 900;
  font-size: calc(var(--bitmap-w) / 1.21 / 4.6);
  line-height: 0.9; letter-spacing: -0.01em;
  align-self: end; user-select: none;
}
.statement {
  grid-area: statement; justify-self: start;
  margin: 0 0 0.2em; max-width: 19ch;
  font-variation-settings: "wdth" 150; font-weight: 330;
  font-size: clamp(1.125rem, 1.8vw, 1.75rem); line-height: 1.14;
}

/* ---------- story and windows ---------- */
.shell { padding: clamp(72px, 11vw, 168px) var(--pad) 0; }
.shell .h2 { max-width: 12ch; }
.story { display: grid; gap: clamp(48px, 8vw, 120px); margin-top: clamp(32px, 5vw, 64px); }
.beat { display: grid; align-items: start; column-gap: clamp(24px, 4vw, 64px); row-gap: 20px; min-width: 0; }
.beat__text { min-width: 0; }
.beat__day {
  margin: 0 0 0.2em;
  font-variation-settings: "wdth" 50; font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.25rem); line-height: 0.9;
}
.beat__cap {
  margin: 0 0 0.6em; max-width: 20ch;
  font-variation-settings: "wdth" 150; font-weight: 330;
  font-size: clamp(1.25rem, 2.1vw, 2rem); line-height: 1.12;
}
.beat__sub { margin: 0; max-width: 34ch; font-size: 0.9375rem; line-height: 1.4; }
.beat__sub a { display: inline-block; padding: 10px 0; }
/* Staggered, so the story reads down the page: text left, then window left, then a narrower window. */
@media (min-width: 761px) {
  .beat--mon { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
  .beat--thu { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
  .beat--thu .beat__text { grid-column: 2; grid-row: 1; }
  .beat--thu .win { grid-column: 1; grid-row: 1; }
  .beat--later { grid-template-columns: minmax(0, 3fr) minmax(0, 6fr); margin-left: 16.666%; }
}

/* A window is a title bar and a ruled body. Terminals have an ink bar, files a paper one. */
.win { margin: 0; max-width: 960px; min-width: 0; border: 3px solid var(--ink); background: var(--paper); }
.win__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 5px 5px 5px 14px; }
.win__title { min-width: 0; overflow-wrap: anywhere; font-variation-settings: "wdth" 80; font-weight: 800; font-size: 0.9375rem; }
.win__sub { margin-left: 0.6em; font-variation-settings: "wdth" 108; font-weight: 420; }
.win__body { margin: 0; padding: 1.1em 1.2em 1.3em; overflow-x: auto; max-width: 100%; font: inherit; }
.win__body code {
  display: block; outline: none; padding: 0; width: max-content; min-width: 100%; white-space: pre;
  font-variation-settings: "wdth" 80; font-weight: 520;
  font-size: clamp(0.8125rem, 1.5vw, 1.0625rem); line-height: 1.65; tab-size: 2;
}
.win--term { box-shadow: 8px 8px 0 -2px var(--paper), 8px 8px 0 0 var(--ink); }
.win--term .win__bar { background: var(--ink); color: var(--paper); }
.win--term .copy { border-color: var(--paper); }
.win--term .copy:hover, .win--term .copy[data-state] { background: var(--paper); color: var(--ink); }
.win--term .copy:focus-visible { outline: 3px solid var(--paper); outline-offset: 2px; }
.win--file { border-width: 2px; }
.win--file .win__bar { border-bottom: 2px dotted var(--ink); }
.win--file .win__title { font-weight: 520; }
.win--file .win__body code { font-weight: 480; }
.win .p { font-weight: 900; margin-right: 0.2em; }
/* Comments and output share the ink; weight, a dotted underline and a bar set them apart. */
.win .c { font-weight: 360; font-style: normal; text-decoration: underline; text-decoration-style: dotted; text-decoration-thickness: 2px; }
.win .o { display: inline-block; padding-left: 1em; border-left: 6px solid var(--ink); font-weight: 400; }

.copy {
  flex: none; min-width: 6.5em; min-height: 44px; padding: 0 1em;
  border: 3px solid var(--ink); background: var(--paper); color: var(--ink); cursor: pointer;
  font-family: inherit; font-variation-settings: "wdth" 125; font-weight: 800; font-size: 0.9375rem;
}
.copy:hover, .copy[data-state] { background: var(--ink); color: var(--paper); }
.note { margin: 28px 0 0; max-width: 52ch; font-variation-settings: "wdth" 125; font-weight: 700; font-size: 1rem; }
.note code { font-weight: 800; }

/* ---------- install ---------- */
.install { padding: clamp(72px, 11vw, 168px) var(--pad) 0; }
.status { margin: 0 0 40px; max-width: 46ch; padding-left: 1em; border-left: 6px solid var(--ink); font-variation-settings: "wdth" 125; font-weight: 700; font-size: 1.0625rem; }
.status a { display: inline-block; padding: 10px 0; }
.h3 {
  margin: clamp(48px, 7vw, 96px) 0 20px;
  font-variation-settings: "wdth" 50; font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.25rem); line-height: 0.9;
}
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 36px; }
.step { min-width: 0; }
.step__text { margin: 0 0 14px; max-width: 62ch; }
.step__n {
  display: inline-block; min-width: 1.6em; margin-right: 0.6em; text-align: center;
  background: var(--ink); color: var(--paper);
  font-variation-settings: "wdth" 80; font-weight: 900;
}

/* ---------- ideas ---------- */
.ideas { padding: clamp(72px, 11vw, 168px) var(--pad) 0; }
.rows { list-style: none; margin: 0; padding: 0; border-top: 4px solid var(--ink); }
.row {
  display: grid;
  grid-template-columns: 56px minmax(0, 20ch) minmax(0, 62ch);
  column-gap: clamp(16px, 3vw, 48px);
  align-items: start;
  padding: 22px 0 24px;
  border-bottom: 2px solid var(--ink);
}
.row__sign { width: 56px; padding-top: 4px; }
.row__sign svg { width: 100%; height: auto; }
.row__title {
  margin: 0;
  font-variation-settings: "wdth" 125; font-weight: 700;
  font-size: clamp(1.125rem, 1.8vw, 1.5rem); line-height: 1.15;
}
.row__text { margin: 0; max-width: 62ch; }

/* ---------- molting ---------- */
.molt {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: end; gap: clamp(24px, 5vw, 80px);
  padding: clamp(72px, 11vw, 168px) var(--pad) 0;
}
.molt__shells { display: flex; align-items: flex-end; gap: clamp(12px, 2.4vw, 36px); }
.shell-bm { display: block; flex: 14 1 0; min-width: 0; }
.shell-bm:first-child { flex-grow: 6; }
.shell-bm svg { width: 100%; height: auto; }
.molt .h2 { margin-bottom: 0.3em; }

/* ---------- reference ---------- */
.ref { padding: clamp(72px, 11vw, 168px) var(--pad) 0; }
.cmds { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(7, auto); grid-auto-flow: column; column-gap: clamp(24px, 5vw, 80px); border-top: 4px solid var(--ink); }
.cmds > div {
  display: grid; grid-template-columns: 11ch minmax(0, 1fr); column-gap: 16px; align-items: baseline;
  padding: 12px 0; border-bottom: 2px solid var(--ink);
}
.cmds dt { font-variation-settings: "wdth" 80; font-weight: 800; font-size: 1.125rem; }
.cmds dd { margin: 0; font-size: 0.9375rem; line-height: 1.35; }

/* ---------- back ---------- */
.face--back {
  grid-template-columns: auto 1fr var(--bitmap-w);
  grid-template-areas: "spine handover title";
  align-items: end;
  padding-top: clamp(72px, 11vw, 168px); padding-bottom: var(--pad);
}
.face--back .bitmap { grid-area: title; }
.spine--back { transform: none; }
.handover { grid-area: handover; justify-self: end; text-align: right; }
.handover__lead {
  margin: 0 0 0.6em auto; max-width: 18ch;
  font-variation-settings: "wdth" 150; font-weight: 330;
  font-size: clamp(1.125rem, 1.8vw, 1.75rem); line-height: 1.14;
}
.handover__turn {
  margin: 0 0 0.35em;
  font-variation-settings: "wdth" 50; font-weight: 900;
  font-size: clamp(3.5rem, 8.5vw, 9rem); line-height: 0.85;
}
.links { margin: 0 0 0.5em; font-variation-settings: "wdth" 125; font-weight: 700; font-size: 1rem; }
.links a { display: inline-block; padding: 8px 0; }
.links--small { font-weight: 420; font-size: 0.9375rem; max-width: 34ch; margin-left: auto; }
.links--small a { display: inline; padding: 0; }

/* ---------- narrow ---------- */
@media (max-width: 760px) {
  :root { --bitmap-w: calc(100vw - 2 * var(--pad) - 64px); }
  .face--front { grid-template-columns: var(--bitmap-w) 1fr; grid-template-areas: "title spine" "statement statement"; row-gap: 28px; }
  .spine { font-size: calc(var(--bitmap-w) / 1.21 / 4.6); justify-self: end; }
  .row { grid-template-columns: 44px minmax(0, 1fr); row-gap: 8px; }
  .row__sign { width: 44px; grid-row: 1 / 3; }
  .row__title, .row__text { grid-column: 2; }
  .molt { grid-template-columns: minmax(0, 1fr); }
  .cmds { grid-template-columns: minmax(0, 1fr); grid-template-rows: none; grid-auto-flow: row; }
  .cmds > div { grid-template-columns: 10ch minmax(0, 1fr); }
  .face--back { grid-template-columns: 1fr var(--bitmap-w); grid-template-areas: "handover handover" "spine title"; row-gap: 28px; }
  .handover { justify-self: stretch; }
}
@media (min-width: 761px) and (max-width: 1100px) { :root { --bitmap-w: 54vw; } }