/* How it works. Loaded after style.css and scoped to body.how-page.
   The page is one diagram and its notes. The diagram is a document's
   journey inside a dashed device boundary, with a ledger beneath the line
   for the two things that ever cross it. Nothing here touches the shared
   column: every outer block sits in the ordinary .wrap. */

/* ---------- hero: a short head, then the diagram is the hero ---------- */

.how-page .how-hero { padding: 64px 0 36px; }
.how-page .how-hero::before { -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 100%); mask-image: linear-gradient(180deg, #000 0%, transparent 100%); }
.how-page .how-hero-head {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 40px;
  align-items: end;
}
.how-page .how-hero h1 { margin-bottom: 0; max-width: 14ch; }
.how-page .how-hero .lede { margin: 0 0 6px; max-width: 46ch; font-size: 17.5px; line-height: 1.65; }

/* ---------- the journey ---------- */

.how-page .how-journey-band { padding: 0 0 80px; }
.how-page .journey { margin: 0; }
.how-page .journey-title {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 16px;
  padding: 0 4px;
  font: 600 12px/1 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sky);
}
.how-page .journey-title span:last-child { color: var(--text-dim); }
.how-page .journey-controls { display: inline-flex; align-items: center; gap: 12px; }
.how-page .journey-title { align-items: center; }

.how-page .device {
  position: relative;
  padding: 42px 30px 26px;
  border: 2px dashed rgba(142, 203, 255, .35);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(61, 125, 255, .07), rgba(61, 125, 255, .015));
}
.how-page .device-edge { position: absolute; inset: -2px; width: calc(100% + 4px); height: calc(100% + 4px); overflow: visible; pointer-events: none; }
.how-page .device-edge rect {
  width: calc(100% - 2px);
  height: calc(100% - 2px);
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 5 95;
  filter: drop-shadow(0 0 4px rgba(34, 211, 238, .65));
  animation: device-perimeter 9s linear infinite;
  animation-play-state: paused;
}
@keyframes device-perimeter { to { stroke-dashoffset: -100; } }
.how-page .device-label {
  position: absolute;
  top: -12px;
  left: 26px;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--ink);
  border: 1px solid rgba(142, 203, 255, .4);
  font: 700 11.5px/1.4 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sky);
}

.how-page .stations {
  position: relative;
  container-type: inline-size;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}
/* The track the document travels on, drawn behind the art. */
.how-page .stations::before {
  content: "";
  position: absolute;
  left: 16.6%;
  right: 16.6%;
  top: 86px;
  height: 2px;
  background: var(--line);
}
/* A sheet-shaped marker that keeps travelling between the stations. It never
   leaves the enclosure, which is the point. */
.how-page .stations::after {
  content: "";
  position: absolute;
  left: 16.6%;
  top: 80px;
  width: 10px;
  height: 14px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(34, 211, 238, .6);
  animation: how-travel 5.4s cubic-bezier(.45, 0, .55, 1) infinite;
  animation-play-state: paused;
}
/* The file travels for 3.4 seconds, then waits for 2 seconds before restarting. */
@keyframes how-travel {
  0% { transform: translateX(0); opacity: 0; }
  3.78% { opacity: 1; }
  27.7% { transform: translateX(33.4cqw); }
  35.26% { transform: translateX(33.4cqw); }
  59.19% { opacity: 1; }
  62.963%, 100% { transform: translateX(66.8cqw); opacity: 0; }
}
.how-page .device[data-running="true"] .stations::after,
.how-page .device[data-running="true"] .device-edge rect { animation-play-state: running; }

/* Stations sit above the travelling marker, so it slips behind each piece of
   art rather than crossing over the paper. */
.how-page .station { position: relative; z-index: 1; text-align: center; }
.how-page .station-num {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(61, 125, 255, .14);
  color: var(--sky);
  font: 600 13px var(--font-mono);
}
.how-page .station-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 172px;
  margin-bottom: 18px;
}
.how-page .station h3 { margin: 0 0 6px; font-size: 20px; }
.how-page .station p { margin: 0; color: var(--text-dim); font-size: 15px; line-height: 1.6; }

/* Paper. */
.how-page .art-sheet {
  position: relative;
  width: 82px;
  aspect-ratio: 17 / 22;
  padding: 18px 12px;
  background: var(--paper);
  border-radius: 4px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .45);
}
.how-page .art-sheet::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 18px;
  background: linear-gradient(225deg, var(--ink) 50%, var(--cyan) 50%);
  border-bottom-left-radius: 3px;
}
.how-page .art-sheet i { display: block; height: 2px; margin-bottom: 8px; background: var(--paper-line); }
.how-page .art-sheet i.short { width: 60%; }
.how-page .art-sheet b {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--paper-2);
  color: var(--blue-deep);
  font: 700 9.5px/1.3 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.how-page .art-sheet.small { width: 44px; padding: 10px 7px; box-shadow: 0 6px 14px rgba(0, 0, 0, .4); }
.how-page .art-sheet.small i { height: 2px; margin-bottom: 5px; }
.how-page .art-sheet.small::before { width: 11px; height: 11px; background: linear-gradient(225deg, #131d29 50%, var(--cyan) 50%); }
.how-page .art-sheet.saved::before { background: linear-gradient(225deg, var(--ink) 50%, var(--ok) 50%); }
.how-page .art-sheet.saved b { color: #1f9a5a; }
/* The check drawn on the saved sheet. */
.how-page .art-sheet.saved::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 52%;
  width: 22px;
  height: 11px;
  border-left: 3px solid var(--ok);
  border-bottom: 3px solid var(--ok);
  transform: translate(-50%, -60%) rotate(-45deg);
}

/* The workspace window at station two. */
.how-page .art-window {
  width: 100%;
  max-width: 250px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--pane);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .45);
}
.how-page .art-window-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 20, 29, .5);
}
.how-page .art-window-bar span { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.how-page .art-window-bar b { margin-left: 6px; font: 600 10.5px/1 var(--font-mono); color: var(--text-dim); }
.how-page .art-window-body {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 18px 12px;
  background:
    radial-gradient(circle, rgba(142, 203, 255, .12) 1px, transparent 1.6px) 0 0 / 14px 14px,
    linear-gradient(180deg, #131d29, #0f1822);
}
.how-page .art-window-foot {
  padding: 7px 10px;
  border-top: 1px solid var(--line);
  font: 600 10.5px/1.3 var(--font-mono);
  letter-spacing: .04em;
  color: var(--ok);
}

/* The background script lives inside the device too, underneath the page. */
.how-page .bg-strip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--chrome);
}
.how-page .bg-strip-name {
  font: 700 11.5px/1.3 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
}
.how-page .bg-strip p { margin: 0; color: var(--text-dim); font-size: 14.5px; line-height: 1.5; }
.how-page .bg-strip-tag {
  position: relative;
  padding: 5px 10px 5px 26px;
  border: 1px solid rgba(255, 138, 125, .4);
  border-radius: 999px;
  color: var(--bad);
  font: 600 11.5px/1.3 var(--font-mono);
  letter-spacing: .06em;
  white-space: nowrap;
}
.how-page .bg-strip-tag::before, .how-page .bg-strip-tag::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--bad);
  transform: rotate(45deg);
}
.how-page .bg-strip-tag::after { transform: rotate(-45deg); }

/* The boundary line, then what lies past it. */
.how-page .edge {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0 22px;
  font: 600 11.5px/1 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.how-page .edge::before, .how-page .edge::after {
  content: "";
  flex: 1;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 16px);
}

.how-page .outside {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding-top: 24px;
}
.how-page .outside-label {
  position: absolute;
  top: 0;
  left: 4px;
  font: 600 11.5px/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.how-page .crossing {
  padding: 22px 24px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--pane);
}
.how-page .crossing h3 {
  margin: 0 0 14px;
  font: 700 12.5px/1.3 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.how-page .crossing-never { border-color: rgba(255, 138, 125, .3); }
.how-page .crossing-never h3 { color: var(--bad); }
.how-page .crossing-when { border-color: rgba(142, 203, 255, .35); }
.how-page .crossing-when h3 { color: var(--sky); }
.how-page .crossing ul { margin: 0; padding: 0; list-style: none; }
.how-page .crossing li {
  position: relative;
  padding: 8px 0 8px 28px;
  border-top: 1px solid var(--line-soft);
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.55;
}
.how-page .crossing li:last-child { border-bottom: 1px solid var(--line-soft); }
.how-page .crossing li b { display: block; color: var(--text); font-weight: 650; }
/* A struck mark for the things that never cross. */
.how-page .crossing-never li::before, .how-page .crossing-never li::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 19px;
  width: 12px;
  height: 2px;
  background: var(--bad);
  transform: rotate(45deg);
}
.how-page .crossing-never li::after { transform: rotate(-45deg); }
/* An outbound arrow for the two that can. */
.how-page .crossing-when li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 15px;
  width: 12px;
  height: 2px;
  background: var(--sky);
}
.how-page .crossing-when li::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-top: 2px solid var(--sky);
  border-right: 2px solid var(--sky);
  transform: rotate(45deg);
}
.how-page .crossing-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  text-underline-offset: 4px;
}

/* ---------- stations 1 and 2, explained ---------- */

.how-page .zip-feature-band { border-top: 1px solid var(--line-soft); }
.how-page .zip-feature-band h2 { max-width: 24ch; }
.how-page .zip-feature-band .lede { max-width: 65ch; }
.how-page .zip-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 34px;
}
.how-page .zip-feature-card {
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--pane);
  scroll-margin-top: 100px;
}
.how-page .zip-feature-card:target { border-color: var(--cyan); }
.how-page .zip-feature-art {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  min-height: 100px;
  margin-bottom: 22px;
}
.how-page .zip-file, .how-page .zip-archive {
  display: grid;
  place-items: center;
  width: 52px;
  height: 64px;
  border-radius: 5px;
  font: 700 11px/1 var(--font-mono);
  letter-spacing: .08em;
}
.how-page .zip-file { background: var(--paper); color: var(--paper-ink); }
.how-page .zip-archive { border: 2px solid var(--cyan); background: rgba(34, 211, 238, .1); color: var(--cyan); }
.how-page .zip-arrow { padding: 0 6px; color: var(--sky); font: 700 26px/1 var(--font-mono); }
.how-page .zip-feature-step { margin: 0 0 10px; color: var(--sky); font: 700 12px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.how-page .zip-feature-card h3 { margin: 0 0 12px; font-size: 23px; }
.how-page .zip-feature-card > p:last-child { margin: 0; max-width: 48ch; color: var(--text-dim); line-height: 1.7; }
.how-page .zip-feature-card code { color: var(--text); }

.how-page .how-inside { border-top: 1px solid var(--line-soft); }
.how-page .how-inside-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}
.how-page .how-note { padding-right: 56px; }
.how-page .how-note + .how-note { padding: 0 0 0 56px; border-left: 1px solid var(--line); }
.how-page .how-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font: 600 12px/1 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sky);
}
.how-page .how-eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--sky); }
.how-page .how-note h2 { font-size: clamp(24px, 2.6vw, 30px); scroll-margin-top: 100px; }
.how-page .how-note p:not(.how-eyebrow) { margin: 0 0 14px; color: var(--text-dim); font-size: 16.5px; line-height: 1.75; }
.how-page .how-note p:last-child { margin-bottom: 0; }

/* ---------- the ledger ---------- */

.how-page .ledger {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--pane);
  overflow: hidden;
}
.how-page .ledger-col { padding: 32px 34px 34px; }
.how-page .ledger-col + .ledger-col { border-left: 1px solid var(--line); background: rgba(13, 20, 29, .35); }
.how-page .ledger h2 { font-size: 24px; scroll-margin-top: 100px; }
.how-page .ledger p { color: var(--text-dim); font-size: 16px; line-height: 1.7; }
.how-page .ledger-list { margin: 0; padding: 0; list-style: none; }
.how-page .ledger-list li {
  position: relative;
  padding: 12px 0 12px 30px;
  border-top: 1px solid var(--line-soft);
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.65;
}
.how-page .ledger-list li:last-child { border-bottom: 1px solid var(--line-soft); }
.how-page .ledger-list strong { color: var(--text); font-weight: 650; }
.how-page .ledger-sends .ledger-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 22px;
  width: 12px;
  height: 2px;
  background: var(--sky);
}
.how-page .ledger-sends .ledger-list li::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 19px;
  width: 7px;
  height: 7px;
  border-top: 2px solid var(--sky);
  border-right: 2px solid var(--sky);
  transform: rotate(45deg);
}
.how-page .ledger-never .ledger-list li::before, .how-page .ledger-never .ledger-list li::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 23px;
  width: 12px;
  height: 2px;
  background: var(--bad);
  transform: rotate(45deg);
}
.how-page .ledger-never .ledger-list li::after { transform: rotate(-45deg); }
.how-page .ledger-gate {
  margin: 22px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--sky);
  border-radius: 0 8px 8px 0;
  background: rgba(61, 125, 255, .08);
  font-size: 15px;
}

/* ---------- which documents ---------- */

.how-page .how-why-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: 64px;
  align-items: center;
}
.how-page .how-why-copy h2 { scroll-margin-top: 100px; }
.how-page .how-why-copy p { max-width: 56ch; color: var(--text-dim); font-size: 16.5px; line-height: 1.75; }
.how-page .how-why-copy p:last-child { margin-bottom: 0; }

.how-page .doc-sort { display: grid; gap: 18px; }
.how-page .doc-group {
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.how-page .doc-group-name {
  margin: 0 0 12px;
  font: 600 11.5px/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.how-page .doc-group ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.how-page .doc-group li {
  position: relative;
  padding: 8px 12px 8px 30px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
}
/* A tiny page icon in front of each document name. */
.how-page .doc-group li::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 50%;
  width: 11px;
  height: 14px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  transform: translateY(-50%);
  opacity: .7;
}
.how-page .doc-group-fine { border-style: dashed; }
.how-page .doc-group-fine li { background: var(--pane); color: var(--text-dim); }
.how-page .doc-group-careful { border-color: rgba(142, 203, 255, .4); background: rgba(61, 125, 255, .05); }
.how-page .doc-group-careful .doc-group-name { color: var(--sky); }
.how-page .doc-group-careful li { background: var(--paper); color: var(--paper-ink); box-shadow: 0 6px 16px rgba(0, 0, 0, .3); }

/* ---------- the two controls ---------- */

.how-page .how-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}
.how-page .control-panel {
  display: flex;
  flex-direction: column;
  padding: 30px 32px 32px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--pane);
}
.how-page .control-panel h2 { font-size: 24px; scroll-margin-top: 100px; }
.how-page .control-panel > p { color: var(--text-dim); font-size: 16px; line-height: 1.7; }

.how-page .menu-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.how-page .menu-path li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--ink);
  font: 600 13px/1.3 var(--font-mono);
  color: var(--text);
}
.how-page .menu-path li + li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-left: -20px;
  border-top: 2px solid var(--text-dim);
  border-right: 2px solid var(--text-dim);
  transform: rotate(45deg);
}
.how-page .menu-path li + li { margin-left: 12px; padding-left: 22px; }
.how-page .menu-path li:last-child { border-color: rgba(142, 203, 255, .5); color: var(--sky); }

.how-page .control-status {
  margin: auto 0 0;
  padding-top: 20px;
  font: 600 13px/1.5 var(--font-mono);
  letter-spacing: .04em;
}
.how-page .control-status.ok { color: var(--ok); }

.how-page .remove-list { margin: 8px 0 0; padding: 0; list-style: none; }
.how-page .remove-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  color: var(--text);
}
.how-page .remove-list li:last-child { border-bottom: 1px solid var(--line-soft); }
.how-page .remove-list .gone::before, .how-page .remove-list .gone::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 21px;
  width: 12px;
  height: 2px;
  background: var(--text-dim);
  transform: rotate(45deg);
}
.how-page .remove-list .gone::after { transform: rotate(-45deg); }
.how-page .remove-list .none { color: var(--text-dim); }
.how-page .remove-list .none::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 16px;
  width: 11px;
  height: 11px;
  border: 2px dashed var(--ok);
  border-radius: 50%;
}

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .how-page .zip-feature-grid { grid-template-columns: 1fr; }
  .how-page .how-hero-head { grid-template-columns: 1fr; gap: 18px; }
  .how-page .how-hero h1 { margin-bottom: 0; }
  .how-page .how-inside-grid { grid-template-columns: 1fr; gap: 44px; }
  .how-page .how-note { padding-right: 0; }
  .how-page .how-note + .how-note { padding: 44px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .how-page .ledger { grid-template-columns: 1fr; }
  .how-page .ledger-col + .ledger-col { border-left: 0; border-top: 1px solid var(--line); }
  .how-page .how-why-grid { grid-template-columns: 1fr; gap: 36px; }
  .how-page .how-controls { grid-template-columns: 1fr; }
  .how-page .bg-strip { grid-template-columns: auto minmax(0, 1fr); }
  .how-page .bg-strip-tag { grid-column: 2; justify-self: start; }
}

@media (max-width: 720px) {
  .how-page .how-hero { padding: 52px 0 28px; }
  .how-page .how-journey-band { padding-bottom: 56px; }
  .how-page .device { padding: 34px 18px 20px; }
  /* Stations stack. The track turns vertical and the marker is retired,
     since a travelling dot on a vertical list reads as a scrollbar. */
  .how-page .stations { grid-template-columns: 1fr; gap: 30px; }
  .how-page .stations::before, .how-page .stations::after { display: none; }
  .how-page .station { display: grid; grid-template-columns: 110px minmax(0, 1fr); column-gap: 18px; text-align: left; align-items: center; }
  .how-page .station-num { position: static; grid-column: 1 / -1; margin-bottom: 4px; }
  .how-page .station-art { grid-row: 2 / 4; height: auto; margin: 0; }
  .how-page .station h3 { align-self: end; }
  .how-page .station p { align-self: start; }
  .how-page .art-sheet { width: 64px; padding: 14px 10px; }
  .how-page .art-window { max-width: 110px; }
  .how-page .art-window-bar b, .how-page .art-window-foot { display: none; }
  .how-page .art-window-body { gap: 4px; padding: 10px 6px; }
  .how-page .art-sheet.small { width: 26px; padding: 6px 4px; }
  .how-page .art-sheet.small i { margin-bottom: 3px; }
  .how-page .bg-strip { grid-template-columns: 1fr; gap: 8px; }
  .how-page .bg-strip-tag { grid-column: 1; }
  .how-page .outside { grid-template-columns: 1fr; }
  .how-page .ledger-col { padding: 24px 20px 26px; }
  .how-page .control-panel { padding: 24px 20px 26px; }
  .how-page .doc-group li { padding-left: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .how-page .stations::after { display: none; }
  .how-page .device-edge { display: none; }
}