/* ==========================================================================
   OBM Engine - site.css
   One stylesheet for every page. Linen ground, mahogany ink, one cornflower
   pencil used only for underlines and the active horsepower row.

   Markup contract, by component:
   .obm-masthead  > .obm-masthead__inner > .obm-masthead__mark,
                    .obm-masthead__line, .obm-masthead__toggle, nav.obm-nav
   .obm-hero      > .obm-hero__intro (kicker + h1), .obm-hero__plate,
                    .obm-hero__sub, .obm-hero__steps
   ol.obm-steps   > li.obm-steps__item[data-step] > .obm-steps__num,
                    .obm-steps__title, .obm-steps__text
   figure.obm-plate > .obm-plate__frame > .obm-plate__label, .obm-plate__meta,
                    svg, .obm-plate__titleblock ; figcaption.obm-plate__caption
   SVG parts:     .obm-svg-line .obm-svg-fine .obm-svg-dash .obm-svg-dim
                  .obm-svg-paper .obm-svg-solid .obm-svg-hatch .obm-svg-text
                  g.obm-callout[data-step] > .obm-callout__leader, circle,
                    .obm-callout__num, line.obm-callout__rule[pathLength="1"]
   .obm-hp        > .obm-hp__legend, .obm-hp__bands > button.obm-hp__band
                    [data-hp-band][aria-pressed], .obm-hp__status
   .obm-cards     > article.obm-card > .obm-card__head (.obm-card__no, .obm-fn),
                    .obm-card__title, .obm-card__scope, ul.obm-card__rows >
                    li.obm-card__row[data-hp="1 2"] > .obm-card__band,
                    .obm-card__price (.obm-card__unit), .obm-card__foot
   ol.obm-notes   > li#fn-x > .obm-notes__mark, .obm-notes__text, a.obm-notes__back
   .obm-ledger    > .obm-scroll > .obm-ledger__grid > .obm-ledger__row
                    (> .obm-ledger__label, .obm-ledger__month[data-month],
                    .obm-ledger__bar style="--span: 30 / 34")
                    Track lines run 2 to 50, four per month.
   Also: .obm-section, .obm-pagehead, .obm-bench, .obm-turnaway, .obm-table,
         .obm-facts, .obm-sequence, .obm-list, .obm-checklist, .obm-letter,
         .obm-story, .obm-timeline, .obm-benchnotes, .obm-email, .obm-hours,
         .obm-ask, .obm-button, .obm-link, .obm-badge, .obm-footer
   ========================================================================== */

:root {
  --ground: #EEE6D6;
  --text: #4B2419;
  --muted: #7A5A4C;
  --line: #CDBDA3;
  --accent: #3E5FA8;

  --ff-type: "American Typewriter", "Courier New", Courier, "Nimbus Mono PS", monospace;
  --ff-body: Georgia, "Times New Roman", Times, serif;

  --fs-label: 0.6875rem;
  --fs-note: 0.8125rem;
  --fs-caption: 0.9375rem;
  --fs-body: 1.0625rem;
  --fs-title: 1.25rem;
  --fs-figure: 1.75rem;
  --fs-head: clamp(1.75rem, 1.4rem + 1.4vw, 2.25rem);
  --fs-hero: clamp(2.25rem, 1.5rem + 2.8vw, 3.5rem);
  --fs-page: clamp(2.25rem, 1.65rem + 2.1vw, 3.25rem);

  --max: 1320px;
  --gutter: clamp(1.125rem, 3.2vw, 2.5rem);
  --gap: clamp(1rem, 2vw, 1.75rem);

  --draw: 180ms;
  --draw-slow: 420ms;
  --ease: cubic-bezier(0.25, 0.6, 0.2, 1);

  --ledger-label: 12.5rem;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: clip;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--ff-body);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.012em;
  text-wrap: balance;
  overflow-wrap: break-word;
}

p {
  margin: 0 0 1em;
  text-wrap: pretty;
}

p:last-child {
  margin-bottom: 0;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

strong, b {
  font-weight: 400;
}

em, i {
  font-style: italic;
}

button {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--line);
  color: var(--text);
}

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

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

.obm-skip {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 50;
  padding: 0.6rem 0.9rem;
  background: var(--ground);
  border: 1px solid var(--text);
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.obm-skip:focus {
  top: 0.75rem;
}

/* --------------------------------------------------------------------------
   Shared type roles
   -------------------------------------------------------------------------- */

.obm-type {
  font-family: var(--ff-type);
  font-variant-numeric: tabular-nums;
}

.obm-label {
  display: inline-block;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-label--ink {
  color: var(--text);
}

.obm-muted {
  color: var(--muted);
}

.obm-figure {
  font-family: var(--ff-type);
  font-size: var(--fs-figure);
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

.obm-badge {
  display: inline-block;
  padding: 0.22rem 0.5rem 0.18rem;
  border: 1px solid var(--line);
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.obm-badge--ink {
  border-color: var(--text);
  color: var(--text);
}

/* --------------------------------------------------------------------------
   The pencil underline. One technique everywhere: a background image drawn
   left to right by background-size over 180ms.
   -------------------------------------------------------------------------- */

.obm-u,
.obm-nav a,
.obm-masthead__mark,
.obm-footer a,
.obm-fn a,
.obm-notes__back,
.obm-steps__title {
  text-decoration: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size var(--draw) var(--ease);
}

.obm-u:hover,
.obm-u:focus-visible,
.obm-nav a:hover,
.obm-nav a:focus-visible,
.obm-nav a[aria-current="page"],
.obm-masthead__mark:hover,
.obm-masthead__mark:focus-visible,
.obm-footer a:hover,
.obm-footer a:focus-visible,
.obm-footer a[aria-current="page"],
.obm-fn a:hover,
.obm-fn a:focus-visible,
.obm-notes__back:hover,
.obm-notes__back:focus-visible {
  background-size: 100% 1px;
}

/* Running text links: a standing hairline in line colour, the pencil draws over it */
.obm-prose a,
.obm-notes__text a,
.obm-card__scope a,
.obm-fact__text a,
.obm-table a,
.obm-email-note a,
.obm-link {
  text-decoration: none;
  background-image:
    linear-gradient(var(--accent), var(--accent)),
    linear-gradient(var(--line), var(--line));
  background-repeat: no-repeat, no-repeat;
  background-position: 0 100%, 0 100%;
  background-size: 0% 1px, 100% 1px;
  transition: background-size var(--draw) var(--ease);
  padding-bottom: 1px;
}

.obm-prose a:hover,
.obm-prose a:focus-visible,
.obm-notes__text a:hover,
.obm-notes__text a:focus-visible,
.obm-card__scope a:hover,
.obm-fact__text a:hover,
.obm-table a:hover,
.obm-email-note a:hover,
.obm-email-note a:focus-visible,
.obm-link:hover,
.obm-link:focus-visible {
  background-size: 100% 1px, 100% 1px;
}

.obm-link {
  display: inline-block;
  font-family: var(--ff-type);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  padding-bottom: 3px;
}

.obm-link::after {
  content: "";
  display: inline-block;
  width: 0.4em;
  height: 0.4em;
  margin-left: 0.45em;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
  vertical-align: 0.12em;
}

/* Hug-the-text button. Flush, hairline, no lift. */
.obm-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: auto;
  max-width: 100%;
  padding: 0.85rem 1.2rem 0.8rem;
  border: 1px solid var(--text);
  background-color: transparent;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 1.2rem calc(100% - 0.5rem);
  background-size: 0 1px;
  transition: background-size var(--draw) var(--ease);
  font-family: var(--ff-type);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
}

.obm-button:hover,
.obm-button:focus-visible {
  background-size: calc(100% - 2.4rem) 1px;
}

/* --------------------------------------------------------------------------
   Masthead strip: 52px, hairline above and below
   -------------------------------------------------------------------------- */

.obm-masthead {
  position: relative;
  margin-top: 0.625rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.obm-masthead__inner {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: 52px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 1.75rem;
}

.obm-masthead__mark {
  font-family: var(--ff-type);
  font-size: var(--fs-title);
  letter-spacing: 0.07em;
  line-height: 1;
  color: var(--text);
  padding: 0.95rem 0 0.35rem;
  margin-bottom: 0.6rem;
  white-space: nowrap;
}

.obm-masthead__line {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 1.75rem;
  border-left: 1px solid var(--line);
  line-height: 52px;
  white-space: nowrap;
  display: none;
}

.obm-nav {
  margin-left: auto;
}

.obm-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  column-gap: clamp(1.1rem, 2.4vw, 2.25rem);
}

.obm-nav a {
  display: inline-block;
  padding: 0.25rem 0 0.2rem;
  margin: 0.75rem 0 0.65rem;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.obm-masthead__toggle {
  display: none;
  margin-left: auto;
  padding: 0.5rem 0.8rem 0.45rem;
  border: 1px solid var(--line);
  background: transparent;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0.8rem calc(100% - 0.3rem);
  background-size: 0 1px;
  transition: background-size var(--draw) var(--ease);
}

.obm-masthead__toggle:hover,
.obm-masthead__toggle:focus-visible,
.obm-masthead__toggle[aria-expanded="true"] {
  background-size: calc(100% - 1.6rem) 1px;
}

@media (min-width: 1100px) {
  .obm-masthead__line {
    display: block;
  }
}

/* Without the script the nav simply wraps under the wordmark. With it, a menu
   button and a ruled leaf that draws down over the page. */
@media (max-width: 759px) {
  .obm-nav {
    margin-left: 0;
    width: 100%;
    border-top: 1px solid var(--line);
  }

  .obm-js .obm-masthead__toggle {
    display: inline-block;
  }

  .obm-js .obm-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 40;
    width: auto;
    background: var(--ground);
    border-bottom: 1px solid var(--line);
    padding: 0 var(--gutter);
    clip-path: inset(0 0 100% 0);
    visibility: hidden;
    transition: clip-path 180ms var(--ease), visibility 0s 180ms;
  }

  .obm-js .obm-masthead.is-open .obm-nav {
    clip-path: inset(0 0 0 0);
    visibility: visible;
    transition-delay: 0s;
  }

  .obm-js .obm-nav ul {
    flex-direction: column;
  }

  .obm-js .obm-nav li + li {
    border-top: 1px solid var(--line);
  }

  .obm-js .obm-nav a {
    margin: 0.85rem 0 0.75rem;
    font-size: 0.75rem;
  }
}

/* --------------------------------------------------------------------------
   Layout primitives
   -------------------------------------------------------------------------- */

.obm-wrap {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.obm-section {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: var(--pad-top, clamp(3.5rem, 7vw, 6rem)) var(--gutter) var(--pad-bottom, 0);
}

.obm-section--flush { --pad-top: 0; }
.obm-section--close { --pad-top: clamp(1.25rem, 2.5vw, 2rem); }
.obm-section--tight { --pad-top: clamp(2.25rem, 4.5vw, 3.5rem); }
.obm-section--loose { --pad-top: clamp(4.5rem, 10vw, 8.5rem); }
.obm-section--rule { border-top: 1px solid var(--line); margin-top: clamp(3rem, 6vw, 5rem); }

.obm-section__head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: 0.85rem;
  align-items: end;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.obm-section__head > * {
  grid-column: 1 / -1;
  min-width: 0;
}

.obm-section__aside {
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: 1.55;
  max-width: 44ch;
}

@media (min-width: 900px) {
  .obm-section__head h2 {
    grid-column: 1 / span 7;
  }

  .obm-section__aside {
    grid-column: 9 / -1;
    padding-bottom: 0.9rem;
  }
}

/* A head inside a split column already sits in a narrow column, so its
   heading takes the full width of that column. */
.obm-split__side .obm-section__head h2,
.obm-split__main .obm-section__head h2 {
  grid-column: 1 / -1;
}

/* Every h2 carries a 2px cornflower rule that draws in once on scroll.
   Drawn by default. The script only adds .obm-draw-pending below the fold. */
main h2 {
  font-size: var(--fs-head);
  line-height: 1.14;
}

main h2::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 2px;
  margin-top: 0.8rem;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 0;
  background-size: 100% 100%;
  transition: background-size var(--draw-slow) var(--ease);
}

.obm-js main h2.obm-draw-pending::after {
  background-size: 0% 100%;
}

main h3 {
  font-size: 1.375rem;
  line-height: 1.25;
}

.obm-split {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: clamp(2rem, 4vw, 3rem);
}

.obm-split > * {
  grid-column: 1 / -1;
  min-width: 0;
}

@media (min-width: 960px) {
  .obm-split__main { grid-column: 1 / span 7; }
  .obm-split__side { grid-column: 9 / -1; }
  .obm-split--even .obm-split__main { grid-column: 1 / span 6; }
  .obm-split--even .obm-split__side { grid-column: 7 / -1; }
  .obm-split--reverse .obm-split__main { grid-column: 6 / -1; grid-row: 1; }
  .obm-split--reverse .obm-split__side { grid-column: 1 / span 4; grid-row: 1; }
}

.obm-prose {
  max-width: 66ch;
}

.obm-prose p {
  margin-bottom: 1.15em;
}

.obm-prose--lead > p:first-child {
  font-size: 1.25rem;
  line-height: 1.55;
}

.obm-lede {
  font-size: 1.1875rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 54ch;
}

/* --------------------------------------------------------------------------
   Homepage hero: steps and Plate 01
   -------------------------------------------------------------------------- */

.obm-hero {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: clamp(1.75rem, 4vw, 3.25rem) var(--gutter) clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-areas:
    "intro intro intro intro intro intro intro intro intro intro intro intro"
    "plate plate plate plate plate plate plate plate plate plate plate plate"
    "sub sub sub sub sub sub sub sub sub sub sub sub"
    "steps steps steps steps steps steps steps steps steps steps steps steps";
  column-gap: var(--gap);
  row-gap: clamp(1.5rem, 3.5vw, 2.25rem);
}

.obm-hero > * {
  min-width: 0;
}

.obm-hero__intro { grid-area: intro; }
.obm-hero__plate { grid-area: plate; }
.obm-hero__steps { grid-area: steps; }

.obm-hero__kicker {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1.1rem;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.obm-hero__kicker::after {
  content: "";
  flex: 0 0 2.75rem;
  height: 1px;
  background: var(--line);
}

.obm-hero__title {
  font-size: var(--fs-hero);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 14ch;
}

.obm-hero__sub {
  grid-area: sub;
  margin: 0;
  max-width: 44ch;
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: 1.55;
}

@media (max-width: 1023px) {
  .obm-hero {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "intro" "plate" "sub" "steps";
  }
}

@media (min-width: 1024px) {
  .obm-hero {
    grid-template-areas:
      "intro intro intro intro intro plate plate plate plate plate plate plate"
      "sub sub sub sub sub plate plate plate plate plate plate plate"
      "steps steps steps steps steps plate plate plate plate plate plate plate";
    grid-template-rows: auto auto 1fr;
    column-gap: clamp(2rem, 3.5vw, 3.5rem);
    row-gap: clamp(1.75rem, 3vw, 2.5rem);
    min-height: min(760px, calc(100svh - 64px));
    align-content: stretch;
  }

  .obm-hero__steps {
    align-self: end;
  }

  .obm-hero__plate {
    align-self: center;
  }
}

/* The five numbered steps */
.obm-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--text);
}

.obm-steps__item {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  column-gap: 0.75rem;
  align-items: baseline;
  padding: 0.8rem 0 0.85rem;
  border-bottom: 1px solid var(--line);
}

.obm-steps__num {
  font-family: var(--ff-type);
  font-size: var(--fs-figure);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.obm-steps__body {
  min-width: 0;
}

.obm-steps__title {
  display: inline;
  font-family: var(--ff-type);
  font-size: var(--fs-title);
  line-height: 1.3;
  padding-bottom: 2px;
}

.obm-steps__text {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--fs-caption);
  line-height: 1.5;
  color: var(--muted);
}

.obm-steps__item:hover .obm-steps__title,
.obm-steps__item:focus-within .obm-steps__title,
.obm-steps__item.is-linked .obm-steps__title {
  background-size: 100% 1px;
}

/* --------------------------------------------------------------------------
   Plates: one archive treatment for Plates 01 to 06
   -------------------------------------------------------------------------- */

.obm-plate {
  margin: 0;
  min-width: 0;
}

.obm-plate__frame {
  position: relative;
  border: 1px solid var(--line);
  padding: clamp(2.25rem, 4vw, 3rem) clamp(0.75rem, 2.2vw, 2rem) clamp(0.75rem, 1.6vw, 1.25rem);
}

.obm-plate__label {
  position: absolute;
  top: -1px;
  left: -1px;
  padding: 0.5rem 0.75rem 0.42rem;
  border: 1px solid var(--line);
  background: var(--ground);
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--text);
}

.obm-plate__meta {
  position: absolute;
  top: 0.6rem;
  right: 0.8rem;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
}

.obm-plate svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  overflow: visible;
}

/* Plate 06: a Detail A crop replaces the full drawing on small screens */
.obm-plate svg.obm-plate__detail {
  display: none;
}

.obm-plate__titleblock {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1.25rem;
  margin-top: clamp(0.75rem, 1.5vw, 1.1rem);
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-plate__caption {
  margin-top: 0.9rem;
  max-width: 62ch;
  font-size: var(--fs-caption);
  font-style: italic;
  line-height: 1.5;
  color: var(--text);
}

.obm-plate__caption-ref {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 0.5rem;
}

.obm-plate--small {
  max-width: 30rem;
}

.obm-plate--medium {
  max-width: 44rem;
}

/* SVG drawing vocabulary: 1px mahogany hairlines on linen */
.obm-svg-line {
  fill: none;
  stroke: var(--text);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.obm-svg-fine {
  fill: none;
  stroke: var(--muted);
  stroke-width: 0.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.obm-svg-dash {
  fill: none;
  stroke: var(--muted);
  stroke-width: 1;
  stroke-dasharray: 6 4;
  vector-effect: non-scaling-stroke;
}

.obm-svg-dim {
  fill: none;
  stroke: var(--muted);
  stroke-width: 0.75;
  vector-effect: non-scaling-stroke;
}

.obm-svg-paper {
  fill: var(--ground);
}

.obm-svg-solid {
  fill: var(--text);
  stroke: none;
}

.obm-svg-hatch {
  stroke: var(--text);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.obm-svg-hatchline {
  stroke: var(--muted);
  stroke-width: 0.6;
  vector-effect: non-scaling-stroke;
}

.obm-svg-text,
.obm-plate text {
  font-family: var(--ff-type);
  fill: var(--text);
  letter-spacing: 0.08em;
}

.obm-svg-text--muted {
  fill: var(--muted);
}

/* Callouts on the plate, linked to the steps by data-step */
.obm-callout {
  cursor: default;
}

.obm-callout__leader {
  fill: none;
  stroke: var(--muted);
  stroke-width: 0.75;
  vector-effect: non-scaling-stroke;
}

.obm-callout circle {
  fill: var(--ground);
  stroke: var(--text);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.obm-callout__num {
  font-family: var(--ff-type);
  fill: var(--text);
  text-anchor: middle;
  dominant-baseline: central;
}

.obm-callout__rule {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset var(--draw) var(--ease);
}

.obm-callout:hover .obm-callout__rule,
.obm-callout:focus .obm-callout__rule,
.obm-callout.is-linked .obm-callout__rule {
  stroke-dashoffset: 0;
}

.obm-callout:focus {
  outline: none;
}

.obm-callout:focus-visible circle {
  stroke: var(--accent);
}

/* --------------------------------------------------------------------------
   Horsepower selector
   -------------------------------------------------------------------------- */

.obm-hp {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: clamp(1rem, 2.5vw, 2.25rem);
  row-gap: 0.5rem;
  padding: 1rem 0 1.05rem;
  border-top: 1px solid var(--text);
}

.obm-hp__legend {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.obm-hp__bands {
  display: flex;
  flex-wrap: wrap;
  column-gap: clamp(0.9rem, 2vw, 1.75rem);
  row-gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Resting state carries a standing line-colour hairline so the bands read as
   controls without hover; the cornflower pencil draws over it. */
.obm-hp__band {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  margin: 0;
  padding: 0.7rem 0 0.6rem;
  background-color: transparent;
  background-image:
    linear-gradient(var(--accent), var(--accent)),
    linear-gradient(var(--line), var(--line));
  background-repeat: no-repeat, no-repeat;
  background-position: 0 100%, 0 100%;
  background-size: 0% 1px, 100% 1px;
  transition: background-size var(--draw) var(--ease), color var(--draw) var(--ease);
  font-family: var(--ff-type);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}

.obm-hp__band:hover,
.obm-hp__band:focus-visible {
  color: var(--text);
  background-size: 100% 1px, 100% 1px;
}

.obm-hp__band[aria-pressed="true"] {
  color: var(--text);
  background-size: 100% 2px, 100% 1px;
}

.obm-hp__status {
  margin-left: auto;
  font-size: var(--fs-note);
  font-style: italic;
  color: var(--muted);
}

@media (max-width: 899px) {
  .obm-hp__status {
    margin-left: 0;
    flex-basis: 100%;
  }
}

/* --------------------------------------------------------------------------
   Price cards: ledger leaves in an equal height, items-stretch grid
   -------------------------------------------------------------------------- */

.obm-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .obm-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .obm-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.obm-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  padding: clamp(1.25rem, 2.2vw, 1.75rem) clamp(1.1rem, 2vw, 1.6rem) clamp(1.1rem, 1.8vw, 1.4rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.obm-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.obm-card__no {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-card__title {
  margin: 0.95rem 0 0.4rem;
  font-family: var(--ff-type);
  font-size: var(--fs-title);
  line-height: 1.25;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.obm-card__scope {
  margin: 0 0 1rem;
  padding-bottom: 0.95rem;
  border-bottom: 3px double var(--line);
  font-size: var(--fs-caption);
  line-height: 1.5;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.obm-card__rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.obm-card__row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: 0.9rem;
  padding: 0.55rem 0 0.5rem;
  border-bottom: 1px solid var(--line);
}

.obm-card__row::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 100%;
  transition: background-size var(--draw) var(--ease);
  pointer-events: none;
}

.obm-card__row:hover::after {
  background-image: linear-gradient(var(--muted), var(--muted));
  background-size: 100% 50%;
}

.obm-card__row--active::after,
.obm-card__row--active:hover::after {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 100% 100%;
}

.obm-card__band {
  min-width: 0;
  font-family: var(--ff-type);
  font-size: var(--fs-note);
  letter-spacing: 0.04em;
  line-height: 1.35;
  text-transform: uppercase;
  color: var(--muted);
  overflow-wrap: anywhere;
  transition: color var(--draw) var(--ease);
}

.obm-card__row--active .obm-card__band {
  color: var(--text);
}

.obm-card__price {
  padding-left: 0.9rem;
  border-left: 1px solid var(--line);
  font-family: var(--ff-type);
  font-size: var(--fs-figure);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.obm-card__unit {
  display: block;
  margin-top: 0.15rem;
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-card__foot {
  margin-top: auto;
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.6rem 1rem;
}

.obm-card__note {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.45;
  color: var(--muted);
  max-width: 30ch;
}

.obm-cards + .obm-notes,
.obm-cards + .obm-cards-after {
  margin-top: clamp(1.25rem, 2.5vw, 2rem);
}

/* Footnote markers in running text and on cards */
.obm-fn {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  line-height: 0;
  vertical-align: super;
  color: var(--muted);
}

.obm-fn a {
  color: var(--text);
  padding: 0 0.1em 1px;
}

/* --------------------------------------------------------------------------
   Footnotes: two dense columns at footnote size
   -------------------------------------------------------------------------- */

.obm-notes {
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  columns: 2 21rem;
  column-gap: clamp(1.75rem, 4vw, 3.5rem);
  column-rule: 1px solid var(--line);
  font-size: var(--fs-note);
  line-height: 1.45;
}

.obm-notes > li {
  break-inside: avoid;
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  margin: 0 0 0.75rem;
}

.obm-notes__mark {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--text);
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 1.25rem;
  background-size: 0 1px;
  transition: background-size var(--draw) var(--ease);
  justify-self: start;
}

.obm-notes > li:target .obm-notes__mark {
  background-size: 100% 1px;
}

.obm-notes__text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.obm-notes__back {
  margin-left: 0.4rem;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.obm-notes-title {
  display: block;
  margin-bottom: 0.6rem;
}

/* --------------------------------------------------------------------------
   Season ledger: twelve months, four quarter tracks per month
   -------------------------------------------------------------------------- */

.obm-ledger {
  border-top: 1px solid var(--text);
  border-bottom: 1px solid var(--text);
}

.obm-scroll,
.obm-ledger__scroll,
.obm-table-wrap {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.obm-scroll-hint {
  display: none;
  margin: 0 0 0.6rem;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-scroll-hint::after {
  content: "";
  display: inline-block;
  width: 0.4em;
  height: 0.4em;
  margin-left: 0.45em;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
  vertical-align: 0.12em;
}

@media (max-width: 899px) {
  .obm-scroll-hint {
    display: block;
  }
}

.obm-ledger__grid {
  min-width: 54rem;
}

.obm-ledger__row {
  position: relative;
  display: grid;
  grid-template-columns: var(--ledger-label) repeat(48, minmax(0, 1fr));
  align-items: center;
  min-height: 2.9rem;
  border-bottom: 1px solid var(--line);
}

.obm-ledger__row:last-child {
  border-bottom: 0;
}

.obm-ledger__row::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--ledger-label);
  right: 0;
  background-image: repeating-linear-gradient(
    to right,
    var(--line) 0,
    var(--line) 1px,
    transparent 1px,
    transparent calc(100% / 12)
  );
  pointer-events: none;
}

.obm-ledger__row > * {
  grid-row: 1;
  position: relative;
  z-index: 1;
  min-width: 0;
}

.obm-ledger__label {
  grid-column: 1;
  padding: 0.6rem 1rem 0.6rem 0;
  font-size: var(--fs-caption);
  line-height: 1.3;
}

.obm-ledger__label small {
  display: block;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-ledger__row--head {
  min-height: 2.5rem;
  border-bottom: 1px solid var(--text);
}

.obm-ledger__row--head .obm-ledger__label {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-ledger__month {
  grid-column: span 4;
  justify-self: start;
  margin-left: 0.5rem;
  padding: 0.65rem 0 0.2rem;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size var(--draw) var(--ease);
}

.obm-ledger__month--now {
  background-size: 100% 1px;
}

.obm-ledger__bar {
  grid-column: var(--span, 2 / 6);
  align-self: center;
  display: flex;
  align-items: center;
  height: 1.7rem;
  margin: 0 1px;
  padding: 0 0.45rem;
  border: 1px solid var(--text);
  background-color: var(--ground);
  background-image: repeating-linear-gradient(
    -45deg,
    var(--line) 0,
    var(--line) 1px,
    transparent 1px,
    transparent 6px
  );
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: visible;
}

.obm-ledger__bar-text {
  padding: 0.1rem 0.25rem;
  background: var(--ground);
}

.obm-ledger__bar--open {
  background-image: none;
}

.obm-ledger__bar--long {
  background-image: none;
  border-style: dashed;
  border-color: var(--muted);
  color: var(--muted);
}

.obm-ledger__bar--closed {
  background: var(--text);
  border-color: var(--text);
}

.obm-ledger__bar--closed .obm-ledger__bar-text {
  position: absolute;
  left: calc(100% + 0.4rem);
  background: transparent;
  color: var(--text);
}

.obm-ledger__bar--point {
  height: 2.1rem;
  padding: 0;
  border: 0;
  border-left: 2px solid var(--text);
  background: transparent;
}

.obm-ledger__bar--point .obm-ledger__bar-text {
  position: absolute;
  left: 0.45rem;
}

.obm-ledger__key {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-note);
  color: var(--muted);
}

.obm-ledger__key li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.obm-ledger__swatch {
  display: inline-block;
  width: 1.6rem;
  height: 0.8rem;
  border: 1px solid var(--text);
  background-image: repeating-linear-gradient(-45deg, var(--line) 0, var(--line) 1px, transparent 1px, transparent 5px);
}

.obm-ledger__swatch--closed { background: var(--text); }
.obm-ledger__swatch--long { background: none; border-style: dashed; border-color: var(--muted); }
.obm-ledger__swatch--open { background: none; }

/* --------------------------------------------------------------------------
   From the bench book (homepage)
   -------------------------------------------------------------------------- */

.obm-bench {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: 2rem;
  align-items: start;
}

.obm-bench > * {
  grid-column: 1 / -1;
  min-width: 0;
}

.obm-bench__dateline {
  display: block;
  margin-bottom: 1rem;
}

.obm-bench__excerpt {
  font-size: clamp(1.1875rem, 1.05rem + 0.5vw, 1.375rem);
  line-height: 1.55;
  max-width: 40ch;
  margin-bottom: 1.5rem;
}

@media (min-width: 960px) {
  .obm-bench__plate { grid-column: 1 / span 7; }
  .obm-bench__text { grid-column: 9 / -1; padding-top: clamp(2.5rem, 5vw, 4.5rem); }
}

/* --------------------------------------------------------------------------
   What we turn away
   -------------------------------------------------------------------------- */

.obm-turnaway {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
  border-top: 1px solid var(--text);
}

@media (min-width: 800px) {
  .obm-turnaway {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.obm-turnaway__item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  align-items: baseline;
  padding: 0.85rem 0 0.9rem;
  border-bottom: 1px solid var(--line);
}

.obm-turnaway__no {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--muted);
}

.obm-turnaway__what {
  display: inline;
  min-width: 0;
  background-image: linear-gradient(var(--muted), var(--muted));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size var(--draw) var(--ease);
  overflow-wrap: anywhere;
}

.obm-turnaway__item:hover .obm-turnaway__what {
  background-size: 100% 1px;
}

.obm-turnaway__why {
  display: block;
  margin-top: 0.3rem;
  font-size: var(--fs-caption);
  line-height: 1.5;
  color: var(--muted);
}

.obm-turnaway--full {
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .obm-turnaway--full .obm-turnaway__item {
    grid-template-columns: 3rem minmax(0, 5fr) minmax(0, 7fr);
    column-gap: var(--gap);
  }

  .obm-turnaway--full .obm-turnaway__why {
    margin-top: 0;
  }
}

.obm-after {
  margin-top: 1.5rem;
}

/* --------------------------------------------------------------------------
   Inner page head
   -------------------------------------------------------------------------- */

.obm-pagehead {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: clamp(2.75rem, 6.5vw, 5.5rem) var(--gutter) clamp(2rem, 4vw, 3.25rem);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: 1.1rem;
  align-items: end;
}

.obm-pagehead > * {
  grid-column: 1 / -1;
  min-width: 0;
}

.obm-pagehead__label {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.obm-pagehead__label::after {
  content: "";
  flex: 0 0 2.75rem;
  height: 1px;
  background: var(--line);
}

.obm-pagehead h1 {
  font-size: var(--fs-page);
  line-height: 1.07;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.obm-pagehead__lede {
  font-size: 1.1875rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 52ch;
  margin: 0.3rem 0 0;
}

.obm-pagehead__meta {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--text);
}

.obm-pagehead__meta > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}

.obm-pagehead__meta dt,
.obm-pagehead__meta .obm-label {
  margin: 0;
}

.obm-pagehead__meta dd {
  margin: 0;
  font-family: var(--ff-type);
  font-size: var(--fs-title);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 960px) {
  .obm-pagehead h1 { grid-column: 1 / span 8; }
  .obm-pagehead__lede { grid-column: 1 / span 7; }
  .obm-pagehead__meta { grid-column: 9 / -1; grid-row: 2 / span 2; align-self: end; }
}

/* --------------------------------------------------------------------------
   Tables: included and not included, turnaround
   -------------------------------------------------------------------------- */

.obm-table-wrap {
  border-top: 1px solid var(--text);
}

.obm-table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
  font-size: var(--fs-caption);
  line-height: 1.5;
}

.obm-table caption {
  caption-side: bottom;
  padding-top: 0.75rem;
  text-align: left;
  font-size: var(--fs-note);
  font-style: italic;
  color: var(--muted);
}

.obm-table th {
  padding: 0.75rem 1rem 0.6rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  vertical-align: bottom;
  color: var(--muted);
  white-space: nowrap;
}

.obm-table td {
  padding: 0.95rem 1rem 0.95rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.obm-table tbody th {
  font-family: var(--ff-type);
  font-size: 1rem;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--text);
  vertical-align: top;
  padding-top: 0.95rem;
  white-space: normal;
}

.obm-table__num {
  font-family: var(--ff-type);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.obm-table__extra {
  color: var(--muted);
}

.obm-table ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.obm-table ul li {
  display: inline;
}

.obm-table ul li + li::before {
  content: " \00b7 ";
  color: var(--muted);
}

.obm-table--type td,
.obm-table--type tbody th {
  font-family: var(--ff-type);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
}

.obm-table--type tbody tr {
  background-image: linear-gradient(var(--muted), var(--muted));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size var(--draw) var(--ease);
}

.obm-table--type tbody tr:hover {
  background-size: 100% 1px;
}

.obm-table--included {
  min-width: 52rem;
}

.obm-table--included th:nth-child(1) { width: 18%; }
.obm-table--included th:nth-child(2) { width: 46%; }
.obm-table--included th:nth-child(3) { width: 11%; }

/* --------------------------------------------------------------------------
   Facts: parts and deposits, travel, terms, where
   -------------------------------------------------------------------------- */

.obm-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr));
  column-gap: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--text);
  margin: 0;
}

.obm-fact {
  min-width: 0;
  padding: 1.15rem 0 1.4rem;
  border-bottom: 1px solid var(--line);
}

.obm-fact__label {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-fact__figure {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--ff-type);
  font-size: var(--fs-figure);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.obm-fact__text {
  margin: 0;
  font-size: var(--fs-caption);
  line-height: 1.55;
  max-width: 42ch;
}

/* --------------------------------------------------------------------------
   Storage: the season step by step
   -------------------------------------------------------------------------- */

.obm-sequence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(10.5rem, 100%), 1fr));
  border-top: 1px solid var(--text);
}

.obm-sequence__item {
  min-width: 0;
  padding: 1rem 1.1rem 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 900px) {
  .obm-sequence__item + .obm-sequence__item {
    padding-left: 1.1rem;
    border-left: 1px solid var(--line);
  }
}

.obm-sequence__no {
  display: block;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-sequence__date {
  display: block;
  margin: 0.85rem 0 0.4rem;
  font-family: var(--ff-type);
  font-size: var(--fs-title);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.obm-sequence__title {
  display: block;
  font-size: var(--fs-body);
  line-height: 1.35;
  margin-bottom: 0.35rem;
}

.obm-sequence__text {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.5;
  color: var(--muted);
}

/* Plain ledger list with a hairline check box */
.obm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--text);
}

.obm-list > li {
  position: relative;
  padding: 0.75rem 0 0.8rem 2rem;
  border-bottom: 1px solid var(--line);
  line-height: 1.5;
}

.obm-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.12rem;
  width: 0.75rem;
  height: 0.75rem;
  border: 1px solid var(--text);
}

.obm-list__term {
  font-family: var(--ff-type);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
}

.obm-list__help {
  display: block;
  margin-top: 0.2rem;
  font-size: var(--fs-caption);
  color: var(--muted);
}

@media (min-width: 800px) {
  .obm-list--two {
    columns: 2;
    column-gap: clamp(1.5rem, 4vw, 3.5rem);
  }

  .obm-list--two > li {
    break-inside: avoid;
  }
}

/* Recommission checklist: eleven numbered typewriter items */
.obm-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: obm-check;
  border-top: 1px solid var(--text);
  font-family: var(--ff-type);
  font-size: 0.9375rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.obm-checklist > li {
  counter-increment: obm-check;
  position: relative;
  padding: 0.75rem 0 0.75rem 4.5rem;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.obm-checklist > li::before {
  content: counter(obm-check, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.75rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.obm-checklist > li::after {
  content: "";
  position: absolute;
  left: 2.55rem;
  top: 1.02rem;
  width: 0.8rem;
  height: 0.8rem;
  border: 1px solid var(--text);
}

@media (min-width: 900px) {
  .obm-checklist--two {
    columns: 2;
    column-gap: clamp(1.5rem, 4vw, 3.5rem);
  }

  .obm-checklist--two > li {
    break-inside: avoid;
  }
}

/* Dale's closure note */
.obm-letter {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: 1.25rem;
  padding: clamp(2rem, 4.5vw, 3.5rem) 0;
  border-top: 1px solid var(--text);
  border-bottom: 1px solid var(--text);
  margin: 0;
}

.obm-letter > * {
  grid-column: 1 / -1;
  min-width: 0;
}

.obm-letter__dateline {
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.8;
}

.obm-letter__dateline span {
  display: block;
  color: var(--muted);
}

.obm-letter__body {
  font-style: italic;
  font-size: clamp(1.1875rem, 1.05rem + 0.6vw, 1.4375rem);
  line-height: 1.55;
  max-width: 46ch;
}

.obm-letter__body p {
  margin-bottom: 0.85em;
}

.obm-letter__sign {
  display: block;
  margin-top: 1.25rem;
  font-style: italic;
  font-size: 1.375rem;
}

.obm-letter__sign::before {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: 2.25rem;
  height: 1px;
  margin-right: 0.75rem;
  background: var(--line);
}

@media (min-width: 900px) {
  .obm-letter__dateline { grid-column: 1 / span 3; }
  .obm-letter__body { grid-column: 4 / span 8; }
}

/* --------------------------------------------------------------------------
   Logbook: the proud job, timeline, bench notes
   -------------------------------------------------------------------------- */

.obm-story {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: 2.5rem;
  align-items: start;
}

.obm-story > * {
  grid-column: 1 / -1;
  min-width: 0;
}

.obm-story__dateline {
  display: block;
  margin-bottom: 1.25rem;
}

@media (min-width: 1024px) {
  .obm-story__prose { grid-column: 1 / span 6; }
  .obm-story__plate {
    grid-column: 7 / -1;
    position: sticky;
    top: 1.5rem;
  }
}

.obm-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--text);
}

.obm-timeline__entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: 0.3rem;
  padding: 1.05rem 0 1.15rem;
  border-bottom: 1px solid var(--line);
}

.obm-timeline__year {
  font-family: var(--ff-type);
  font-size: var(--fs-figure);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.obm-timeline__title {
  font-family: var(--ff-type);
  font-size: var(--fs-title);
  line-height: 1.3;
}

.obm-timeline__text {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: 1.55;
  max-width: 60ch;
}

@media (min-width: 800px) {
  .obm-timeline__entry {
    grid-template-columns: 8rem minmax(0, 4fr) minmax(0, 6fr);
    column-gap: var(--gap);
    align-items: baseline;
  }
}

.obm-benchnotes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr));
  column-gap: clamp(1.5rem, 3.5vw, 3rem);
  row-gap: 2.25rem;
  border-top: 1px solid var(--text);
  padding-top: 1.5rem;
}

.obm-benchnote {
  min-width: 0;
}

.obm-benchnote__dateline {
  display: block;
  margin-bottom: 0.75rem;
}

.obm-benchnote h3 {
  font-size: 1.3125rem;
  margin-bottom: 0.65rem;
}

.obm-benchnote p {
  font-size: var(--fs-caption);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.obm-email {
  display: inline-block;
  max-width: 100%;
  font-family: var(--ff-type);
  font-size: clamp(1.5rem, 0.9rem + 3.6vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
  padding-bottom: 0.2em;
  background-image:
    linear-gradient(var(--accent), var(--accent)),
    linear-gradient(var(--line), var(--line));
  background-repeat: no-repeat, no-repeat;
  background-position: 0 100%, 0 100%;
  background-size: 100% 2px, 100% 1px;
  transition: background-size var(--draw-slow) var(--ease);
}

.obm-email:hover,
.obm-email:focus-visible {
  background-size: 100% 4px, 100% 1px;
  transition-duration: var(--draw);
}

.obm-js .obm-email.obm-draw-pending {
  background-size: 0% 2px, 100% 1px;
}

.obm-js .obm-email.obm-draw-pending:hover {
  background-size: 100% 4px, 100% 1px;
}

.obm-email-note {
  margin-top: 1rem;
  font-size: var(--fs-caption);
  color: var(--muted);
  max-width: 50ch;
}

.obm-ask {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: obm-ask;
  border-top: 1px solid var(--text);
}

.obm-ask > li {
  counter-increment: obm-ask;
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  padding: 0.85rem 0 0.9rem;
  border-bottom: 1px solid var(--line);
}

.obm-ask > li::before {
  content: counter(obm-ask, decimal-leading-zero);
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  line-height: 2.2;
  color: var(--muted);
}

.obm-ask__what {
  display: block;
  width: fit-content;
  max-width: 100%;
  font-family: var(--ff-type);
  font-size: 1rem;
  letter-spacing: 0.01em;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size var(--draw) var(--ease);
}

.obm-ask > li.is-linked .obm-ask__what {
  background-size: 100% 1px;
}

.obm-ask__eg {
  display: block;
  margin-top: 0.2rem;
  font-size: var(--fs-caption);
  line-height: 1.5;
  color: var(--muted);
}

.obm-hours {
  margin: 0;
  border-top: 1px solid var(--text);
}

.obm-hours__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1rem;
  padding: 0.7rem 0 0.65rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--ff-type);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
}

.obm-hours__row dt {
  margin: 0;
  min-width: 0;
}

.obm-hours__row dt small {
  display: block;
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.obm-hours__row dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.obm-hours__row--closed dd {
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   Footer ledger line
   -------------------------------------------------------------------------- */

.obm-footer {
  margin-top: clamp(4.5rem, 9vw, 7.5rem);
  border-top: 1px solid var(--text);
}

.obm-footer__inner {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter) 2.25rem;
}

.obm-footer__ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(14rem, 100%), 1fr));
  border-bottom: 1px solid var(--line);
}

.obm-footer__ledger > li {
  min-width: 0;
  padding: 1rem 1.25rem 1.05rem 0;
  font-family: var(--ff-type);
  font-size: 0.8125rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.obm-footer__ledger .obm-label {
  display: block;
  margin-bottom: 0.3rem;
}

.obm-footer__email {
  overflow-wrap: anywhere;
}

.obm-footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem 2rem;
  padding-top: 1rem;
  font-family: var(--ff-type);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Guard: the masthead tagline and footer base line never carry paragraph margins */
.obm-masthead__line,
.obm-footer__base p {
  margin: 0;
}

.obm-footer__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.6rem;
}

.obm-footer__nav a {
  color: var(--text);
  padding-bottom: 2px;
}

@media (min-width: 900px) {
  .obm-footer__ledger > li + li {
    padding-left: 1.25rem;
    border-left: 1px solid var(--line);
  }
}

/* --------------------------------------------------------------------------
   Small screens
   -------------------------------------------------------------------------- */

@media (max-width: 639px) {
  :root {
    --ledger-label: 9.5rem;
  }

  .obm-steps__item {
    grid-template-columns: 2.9rem minmax(0, 1fr);
  }

  .obm-card__price {
    font-size: 1.5rem;
  }

  .obm-notes {
    columns: 1;
  }

  .obm-plate__meta {
    display: none;
  }

  /* Horsepower bands: comfortable tap targets */
  .obm-hp__band {
    min-height: 44px;
  }

  /* Plate 01: labels and callout numerals large enough to read on a phone */
  .obm-hero__plate text {
    font-size: 16px;
  }

  .obm-hero__plate .obm-callout__num {
    font-size: 22px;
  }

  /* Plate 06: show Detail A on its own so the field labels stay legible */
  .obm-plate svg.obm-plate__full {
    display: none;
  }

  .obm-plate svg.obm-plate__detail {
    display: block;
  }

  .obm-plate__detail text {
    font-size: 11px;
  }
}

/* --------------------------------------------------------------------------
   Reduced motion: every underline shows at once
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    animation: none !important;
  }

  .obm-js main h2.obm-draw-pending::after {
    background-size: 100% 100%;
  }

  .obm-js .obm-email.obm-draw-pending {
    background-size: 100% 2px, 100% 1px;
  }
}

/* --------------------------------------------------------------------------
   Print: the ledger on paper
   -------------------------------------------------------------------------- */

@media print {
  .obm-masthead__toggle,
  .obm-hp,
  .obm-skip,
  .obm-scroll-hint {
    display: none !important;
  }

  .obm-js .obm-nav {
    display: block !important;
    position: static !important;
    clip-path: none !important;
    visibility: visible !important;
  }

  main h2::after {
    background-size: 100% 100% !important;
  }

  .obm-story__plate {
    position: static;
  }
}