/* ==========================================================================
   Margin — Issue 14, Low Water
   Local-only stylesheet: system font stacks, no remote assets.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
    "URW Palladio L", P052, Georgia, "Times New Roman", serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, Arial,
    system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;

  /* Paper (default) */
  --bg: #f2ede3;
  --band: #e8e1d3;
  --ink: #1b1916;
  --ink-2: #574f46;
  --rule-soft: #c9bfae;
  --silt: #ddd3bf;
  --accent: #9c3b17;   /* rust: numbers, errors, objects in the silt */
  --water: #24545a;    /* river slate: the waterline motif, success */

  --gutter: clamp(1rem, 4vw, 3rem);
  --measure: 36rem;
  --wl: 75%;           /* position of the waterline in the display title */

  color-scheme: light;
}

:root[data-theme="night"] {
  --bg: #15140f;
  --band: #1d1b16;
  --ink: #ece5d6;
  --ink-2: #aea493;
  --rule-soft: #3b372f;
  --silt: #29251e;
  --accent: #e58a5e;
  --water: #86bcb7;
  color-scheme: dark;
}

:root[data-size="large"] { font-size: 118.75%; }

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.55;
  font-kerning: normal;
  font-variant-numeric: oldstyle-nums proportional-nums;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color .25s ease, color .25s ease;
}

h1, h2, h3, p, dl, dd, figure, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }

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

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

main:focus { outline: none; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 10;
  padding: .6rem 1rem;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-size: .875rem;
}
.skip:focus { top: .75rem; color: var(--bg); }

/* Shared small-caps label voice */
.kicker,
.byline,
.meta dt,
.reading__label,
.masthead__nav,
.section-head__aside,
.back__no,
.signup__label,
.price__unit,
figcaption {
  font-family: var(--sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.byline { color: var(--ink-2); font-weight: 500; }
.byline__name { color: var(--ink); font-weight: 600; }

.kicker { color: var(--ink-2); margin-bottom: .75rem; }
.kicker__no {
  color: var(--accent);
  font-family: var(--mono);
  letter-spacing: 0;
  margin-right: .5em;
}

/* Page frame */
.masthead__inner,
.cover,
.contents,
.archive,
.subscribe,
.colophon {
  width: min(100% - 2 * var(--gutter), 82rem);
  margin-inline: auto;
}

/* ==========================================================================
   Masthead
   ========================================================================== */
.masthead { border-top: 6px solid var(--ink); }

.masthead__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "word  reading"
    "tag   tag"
    "nav   nav";
  align-items: center;
  gap: .75rem 1rem;
  padding-top: 1rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--ink);
}

.wordmark {
  grid-area: word;
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  line-height: 1;
  letter-spacing: -.02em;
  text-decoration: none;
  padding-left: .55rem;
  border-left: 2px solid var(--accent);
}
.wordmark__m { font-style: italic; }

.masthead__tag {
  grid-area: tag;
  font-size: .9375rem;
  font-style: italic;
  line-height: 1.3;
  color: var(--ink-2);
}
.masthead__tag br { display: none; }

.masthead__nav { grid-area: nav; }
.masthead__nav ul {
  display: flex;
  gap: 1.5rem;
  border-top: 1px solid var(--rule-soft);
  padding-top: .6rem;
}
.masthead__nav a { text-decoration: none; }
.masthead__nav a:hover { text-decoration: underline; }

/* Reading mode control */
.reading {
  grid-area: reading;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.reading__label { color: var(--ink-2); font-size: .6875rem; }

.seg {
  display: flex;
  margin: 0;
  padding: 0;
  border: 1px solid var(--ink);
  min-inline-size: 0;
}
.seg input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.seg label,
.size-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  min-width: 2.75rem;
  padding: 0 .7rem;
  font-family: var(--sans);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  user-select: none;
}
.seg label + input + label { border-left: 1px solid var(--ink); }
.seg input:checked + label { background: var(--ink); color: var(--bg); }
.seg input:focus-visible + label {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  position: relative;
  z-index: 1;
}

.size-toggle {
  border: 1px solid var(--ink);
  border-radius: 0;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
}
.size-toggle sup { font-size: .6em; font-family: var(--sans); }
.size-toggle[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

@media (max-width: 30rem) {
  .reading__label { display: none; }  /* group keeps its accessible name */
}

@media (min-width: 48rem) {
  .masthead__inner {
    grid-template-columns: auto 1fr auto auto;
    grid-template-areas: "word tag nav reading";
    gap: 2rem;
    padding-top: 1.1rem;
    padding-bottom: 1rem;
  }
  .masthead__tag br { display: inline; }
  .masthead__tag { font-size: .875rem; }
  .masthead__nav ul { border-top: 0; padding-top: 0; }
}

/* ==========================================================================
   Cover / current issue
   ========================================================================== */
.cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding-top: 1.5rem;
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* Marginalia: the journal's namesake column */
.cover__margin {
  display: grid;
  gap: .9rem;
}
.meta {
  display: grid;
  grid-template-columns: auto auto 1fr;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule-soft);
}
.meta > div { padding: .5rem .9rem .55rem 0; }
.meta > div + div { padding-left: .9rem; border-left: 1px solid var(--rule-soft); }
.meta dt { color: var(--ink-2); font-size: .625rem; margin-bottom: .1rem; }
.meta dd { font-size: 1rem; line-height: 1.2; }
.meta dd.meta__num {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--accent);
}
.cover__note {
  font-style: italic;
  color: var(--ink-2);
  font-size: .9375rem;
  line-height: 1.45;
  max-width: 30ch;
}

/* ----- The display motif: a title with a falling waterline ----- */
.cover__display { min-width: 0; }

.display {
  --indent: .75em;
  position: relative;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(4.5rem, 24vw, 15.5rem);
  line-height: .82;
  letter-spacing: -.045em;
  margin-top: .04em;
}
.display__text { display: block; }
.display__line { display: block; }
.display__line--indent { padding-left: var(--indent); }

.display__text--dry {
  clip-path: inset(-.3em -.3em calc(100% - var(--wl)) -.3em);
}
.display__text--wet {
  position: absolute;
  inset: 0;
  color: var(--water);
  clip-path: inset(var(--wl) -.3em -.3em -.3em);
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .display__text--wet .display__line {
    background-image: repeating-linear-gradient(
      to bottom,
      var(--water) 0 .022em,
      transparent .022em .05em
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-stroke: max(1px, .006em) var(--water);
  }
}

.display__mark {
  position: absolute;
  left: 0;
  right: calc(-1 * var(--gutter));
  height: 0;
  pointer-events: none;
}
.display__mark span {
  position: absolute;
  font-family: var(--mono);
  font-size: .625rem;
  font-weight: 400;
  letter-spacing: .06em;
  line-height: 1.3;
  text-transform: uppercase;
}
.display__mark--old {
  top: 20%;
  border-top: 1px dashed var(--ink-2);
}
.display__mark--old span {
  right: var(--gutter);
  bottom: .35rem;
  color: var(--ink-2);
}
.display__mark--now {
  top: var(--wl);
  border-top: 2px solid var(--water);
}
.display__mark--now span {
  left: 0;
  top: .45rem;
  width: calc(var(--indent) - .4rem);
  color: var(--water);
}

/* ----- Cover story ----- */
.lead { max-width: var(--measure); }
.lead__title {
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.02em;
  text-wrap: balance;
  margin-bottom: .9rem;
}
.lead .byline { margin-bottom: 1.25rem; }
.lead__dek {
  font-size: clamp(1.125rem, 1.6vw, 1.3rem);
  line-height: 1.5;
  text-wrap: pretty;
}
.lead__dek::first-letter {
  float: left;
  font-size: 3.4em;
  line-height: .8;
  padding: .06em .08em 0 0;
  color: var(--accent);
}
.lead__pull {
  margin-top: 1.5rem;
  padding-left: 1rem;
  border-left: 2px solid var(--water);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--water);
}

/* ----- Riverbed figure ----- */
.riverbed {
  max-width: 24rem;
  width: 100%;
}
.riverbed svg { display: block; width: 100%; height: auto; }
.riverbed figcaption {
  margin-top: .6rem;
  padding-top: .5rem;
  border-top: 1px solid var(--rule-soft);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink-2);
  text-transform: none;
}

.rb-staff { fill: none; stroke: var(--ink); stroke-width: 1; }
.rb-ticks path { stroke: var(--ink); stroke-width: 1; }
.rb-label { font-family: var(--mono); font-size: 11px; fill: var(--ink-2); }
.rb-old path { stroke: var(--ink-2); stroke-width: 1; stroke-dasharray: 2 5; }
.rb-bank { fill: var(--silt); }
.rb-grain { fill: var(--ink-2); opacity: .45; }
.rb-edge { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.rb-ledger rect { fill: var(--bg); stroke: var(--ink); stroke-width: 1.25; }
.rb-ledger path { fill: none; stroke: var(--ink-2); stroke-width: 1; }
.rb-grid path { fill: none; stroke: var(--accent); stroke-width: 1.25; }
.rb-grid rect { fill: var(--accent); opacity: .22; }
.rb-caps circle {
  fill: var(--bg);
  stroke: var(--accent);
  stroke-width: 1.75;
  stroke-dasharray: 1.6 1.4;
}
.rb-hatch-line { stroke: var(--water); stroke-width: 1.5; }
.rb-water { stroke: var(--water); stroke-width: 1; }
.rb-now { stroke: var(--water); stroke-width: 2; }

/* ----- Cover: tablet ----- */
@media (min-width: 40rem) {
  .cover {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(1rem, 2.4vw, 2rem);
    row-gap: 2.5rem;
  }
  .cover__margin { grid-column: 1 / -1; grid-row: 1; }
  .cover__display { grid-column: 1 / -1; grid-row: 2; }
  .lead { grid-column: 1 / 8; grid-row: 3; }
  .riverbed { grid-column: 8 / -1; grid-row: 3; justify-self: end; }
  .display { --indent: 1.1em; font-size: clamp(4.5rem, 21vw, 15.5rem); }
  .display__mark--now span { width: auto; max-width: calc(var(--indent) - .6rem); }
}

/* ----- Cover: desktop — marginalia column on the left ----- */
@media (min-width: 64rem) {
  .cover { padding-top: 2.5rem; row-gap: 3.5rem; }
  .cover__margin {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
    align-self: stretch;
    align-content: start;
    padding-right: 1rem;
    border-right: 1px solid var(--ink);
  }
  .meta {
    grid-template-columns: 1fr;
    border-bottom: 0;
  }
  .meta > div { padding: .7rem 0; }
  .meta > div + div {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--rule-soft);
  }
  .meta dd.meta__num { font-size: 3.25rem; line-height: 1; letter-spacing: -.04em; }
  .cover__display { grid-column: 3 / -1; grid-row: 1; }
  .display { font-size: clamp(7rem, 16.5vw, 15.5rem); }
  .lead { grid-column: 3 / 8; grid-row: 2; align-self: start; }
  .riverbed { grid-column: 9 / -1; grid-row: 2; justify-self: stretch; max-width: none; }
}

/* ----- Motion: the water drops once, on load ----- */
@media (prefers-reduced-motion: no-preference) {
  .display__text--dry { animation: dry-in 1.8s cubic-bezier(.2, .7, .1, 1) .25s both; }
  .display__text--wet { animation: wet-in 1.8s cubic-bezier(.2, .7, .1, 1) .25s both; }
  .display__mark--now { animation: mark-in 1.8s cubic-bezier(.2, .7, .1, 1) .25s both; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body { transition: none; }
}
@keyframes dry-in { from { clip-path: inset(-.3em -.3em 78% -.3em); } }
@keyframes wet-in { from { clip-path: inset(22% -.3em -.3em -.3em); } }
@keyframes mark-in { from { top: 22%; } }

/* ==========================================================================
   Supporting stories
   ========================================================================== */
.contents { padding-bottom: clamp(3rem, 8vw, 6rem); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .25rem 1.5rem;
  padding-top: .75rem;
  border-top: 3px double var(--ink);
  margin-bottom: 2rem;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -.01em;
}
.section-head__aside { color: var(--ink-2); }

.stories { display: grid; gap: 2.25rem; }

.story article {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  column-gap: .75rem;
  padding-top: .9rem;
  border-top: 1px solid var(--ink);
}
.story article > * { grid-column: 2; }
.story__no {
  grid-column: 1;
  grid-row: 1 / span 4;
  font-family: var(--mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--accent);
}
.story .kicker { margin-bottom: .4rem; }
.story__title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.015em;
  margin-bottom: .6rem;
  text-wrap: balance;
}
.story .byline { margin-bottom: .75rem; }
.story__dek { max-width: 34ch; text-wrap: pretty; }
.story--c .story__title { font-style: italic; }

@media (min-width: 48rem) {
  .stories {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(1rem, 2.4vw, 2rem);
    align-items: start;
  }
  /* Stepped like tide marks on a pier: each story sits a little lower. */
  .story--a { grid-column: 1 / 5; }
  .story--b { grid-column: 5 / 9; margin-top: 3.5rem; }
  .story--c { grid-column: 9 / -1; margin-top: 7rem; }
  .story article { grid-template-columns: minmax(0, 1fr); }
  .story article > * { grid-column: 1; }
  .story__no {
    grid-row: auto;
    font-family: var(--serif);
    font-size: clamp(3rem, 5vw, 4.5rem);
    letter-spacing: -.04em;
    margin-bottom: .75rem;
  }
}

@media (min-width: 64rem) {
  .contents {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(1rem, 2.4vw, 2rem);
  }
  .section-head,
  .stories { grid-column: 3 / -1; }
}

/* ==========================================================================
   Archive strip
   ========================================================================== */
.archive {
  display: grid;
  gap: .75rem;
  margin-bottom: clamp(3rem, 8vw, 6rem);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--band);
}
.archive__title {
  font-family: var(--sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: .9rem 1rem 0;
}
.archive__list {
  display: grid;
  gap: .75rem;
  padding: 0 1rem 1rem;
}
.back {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  align-items: center;
  gap: .9rem;
}
.back + .back { padding-top: .75rem; border-top: 1px solid var(--rule-soft); }
.back__cover {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  border: 1px solid var(--ink);
  background-color: var(--bg);
  overflow: hidden;
}
.back__cover span {
  position: absolute;
  left: 3px;
  bottom: 2px;
  padding: 0 2px;
  font-family: var(--mono);
  font-size: .625rem;
  line-height: 1.2;
  background: var(--bg);
  color: var(--ink);
}
.back__text { display: grid; gap: .1rem; }
.back__no { color: var(--ink-2); font-size: .6875rem; }
.back__name { font-size: 1.1875rem; line-height: 1.2; font-style: italic; }

/* Issue 13, After the Last Train: rails and sleepers */
.back--13 .back__cover {
  background-image:
    linear-gradient(90deg, transparent 32%, var(--ink) 32% 36%, transparent 36% 64%, var(--ink) 64% 68%, transparent 68%),
    repeating-linear-gradient(to bottom, var(--rule-soft) 0 2px, transparent 2px 7px);
}
/* Issue 12, Borrowed Ground: allotment plots, one taken */
.back--12 .back__cover {
  background-image:
    linear-gradient(var(--accent), var(--accent)),
    repeating-linear-gradient(90deg, var(--ink-2) 0 1px, transparent 1px 25%),
    repeating-linear-gradient(to bottom, var(--ink-2) 0 1px, transparent 1px 25%);
  background-size: 25% 25%, 100% 100%, 100% 100%;
  background-position: 50% 25%, 0 0, 0 0;
  background-repeat: no-repeat, no-repeat, no-repeat;
}
/* Issue 11, The Weather Indoors: isobars in a room */
.back--11 .back__cover {
  background-image: repeating-radial-gradient(
    circle at 80% 15%,
    transparent 0 5px,
    var(--water) 5px 6px
  );
}

@media (min-width: 48rem) {
  .archive {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 0;
    align-items: stretch;
  }
  .archive__title {
    padding: 1rem 1rem;
    border-right: 1px solid var(--rule-soft);
  }
  .archive__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    padding: 1rem 0;
  }
  .back { padding: 0 1.25rem; grid-template-columns: 3rem minmax(0, 1fr); }
  .back + .back { padding-top: 0; border-top: 0; border-left: 1px solid var(--rule-soft); }
}

@media (min-width: 64rem) {
  .archive {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(1rem, 2.4vw, 2rem);
  }
  .archive__title { grid-column: 1 / 3; }
  .archive__list { grid-column: 3 / -1; }
  .back:first-child { padding-left: 0; }
}

/* ==========================================================================
   Subscribe
   ========================================================================== */
.subscribe {
  display: grid;
  gap: 2.5rem;
  padding-bottom: clamp(3rem, 8vw, 6rem);
}
.subscribe__offer {
  border-top: 6px solid var(--ink);
  padding-top: 1rem;
}
.subscribe__title {
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.015em;
  max-width: 18ch;
  text-wrap: balance;
  margin-bottom: 1.5rem;
}
.price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .25rem .75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ink);
}
.price__amount {
  font-size: clamp(3.5rem, 11vw, 6.5rem);
  line-height: .9;
  letter-spacing: -.04em;
  font-variant-numeric: lining-nums;
}
.price__unit { color: var(--ink-2); }
.terms { margin-top: .9rem; display: grid; gap: .35rem; }
.terms li { padding-left: 1.6rem; position: relative; }
.terms li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 1rem;
  border-top: 1px solid var(--accent);
}

.signup {
  align-self: end;
  display: grid;
  gap: .5rem;
}
.signup__hint { color: var(--ink-2); font-size: .9375rem; }
.signup__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .6rem;
  margin-top: .25rem;
}
.signup__input {
  width: 100%;
  min-height: 3.25rem;
  padding: .6rem .85rem;
  font: inherit;
  font-size: 1.125rem;
  color: var(--ink);
  background: var(--bg);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  appearance: none;
}
.signup__input:focus-visible { outline-offset: 2px; }
.signup__input[aria-invalid="true"] {
  border-color: var(--accent);
  border-width: 2px;
  background-image: linear-gradient(90deg, var(--accent) 0 5px, transparent 5px);
  padding-left: 1.2rem;
}
.signup__button {
  min-height: 3.25rem;
  padding: .6rem 1.5rem;
  font-family: var(--sans);
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  cursor: pointer;
}
.signup__button:hover { background: var(--accent); border-color: var(--accent); }

.signup__error,
.signup__status:not(:empty) {
  font-family: var(--sans);
  font-size: .9375rem;
  line-height: 1.4;
  padding-left: 1.6rem;
  position: relative;
}
.signup__error { color: var(--accent); }
.signup__error::before {
  content: "!";
  position: absolute;
  left: 0;
  top: .05em;
  width: 1.15rem;
  height: 1.15rem;
  display: grid;
  place-items: center;
  font-size: .75rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
}
.signup__status { color: var(--water); }
.signup__status:not(:empty)::before {
  content: "";
  position: absolute;
  left: .2rem;
  top: .2em;
  width: .45rem;
  height: .8rem;
  border: solid var(--water);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

@media (min-width: 30rem) {
  .signup__row { grid-template-columns: minmax(0, 1fr) auto; }
}

@media (min-width: 64rem) {
  .subscribe {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(1rem, 2.4vw, 2rem);
  }
  .subscribe__offer { grid-column: 3 / 8; }
  .signup { grid-column: 8 / -1; }
}

/* ==========================================================================
   Colophon
   ========================================================================== */
.colophon {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .25rem 1.25rem;
  align-items: end;
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--ink);
  font-size: .875rem;
  color: var(--ink-2);
}
.colophon__mark {
  grid-row: 1 / span 2;
  font-size: 4.5rem;
  line-height: .8;
  font-style: italic;
  color: var(--ink);
}
.colophon p:last-child {
  font-family: var(--sans);
  font-size: .6875rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ==========================================================================
   Forced colours / print
   ========================================================================== */
@media (forced-colors: active) {
  .display__text--wet .display__line { color: CanvasText; -webkit-text-stroke: 0; background: none; }
  .seg input:checked + label,
  .size-toggle[aria-pressed="true"] { outline: 2px solid Highlight; }
}

@media print {
  .reading, .skip, .signup { display: none; }
  body { background: #fff; color: #000; }
}