/* SPB-SERVIS TOV — archival-paper, zinc sheet, oxford ink, one cobalt registration */

:root {
  --bg: #e6e2d6;
  --bg-alt: #ddd7c8;
  --bg-deep: #1c2430;
  --ink: #1c2430;
  --ink-soft: #4c5663;
  --ink-invert: #f4f0e6;
  --accent: #1554d4;
  --accent-soft: #d5e2fb;
  --line: #b7b1a3;
  --line-strong: #1c2430;
  --zone-idle: #cfc6b4;
  --font-display: "Literata", "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --font-body: "Literata", "Iowan Old Style", Palatino, Georgia, serif;
  --tracking-display: -0.03em;
  --radius: 0px;
  --radius-lg: 0px;
  --shadow: none;
  --container: 1120px;
}

body {
  background: var(--bg);
  color: var(--ink);
}

.site-header {
  background: var(--bg);
  backdrop-filter: none;
  border-bottom: 1px solid var(--ink);
}

.site-header.is-scrolled {
  border-bottom-color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
}

.brand__mark {
  width: 36px;
  height: 36px;
  flex: none;
}

.brand__mark text {
  font-family: var(--font-display);
  fill: currentColor;
}

.brand__name {
  font-weight: 650;
  letter-spacing: 0.06em;
  font-size: 0.92rem;
  line-height: 1;
}

.brand__name span {
  display: block;
  margin-top: 0.2rem;
  font-weight: 480;
  letter-spacing: 0.18em;
  font-size: 0.62rem;
  color: var(--accent);
}

.nav a,
.mobile-nav a,
.site-footer nav a {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.block-head {
  max-width: 38rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.block-head h2 {
  max-width: 16ch;
}

.plate {
  margin: 0;
  padding: 0.45rem;
  border: 1px solid var(--ink);
  background: var(--bg);
}

.plate img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.plate figcaption,
.command__draw figcaption {
  margin-top: 0.55rem;
  font-size: var(--step--1);
  color: var(--ink-soft);
}

.hero__grid,
.mill,
.about,
.territory,
.contact {
  display: grid;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.hero__copy h1 {
  max-width: 14ch;
  margin-top: 0.65rem;
}

.hero__copy .lede {
  max-width: 38rem;
  margin-top: 1rem;
}

.hero__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem 1.25rem;
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ink);
}

.hero__meta dt,
.command__label,
.ledger caption {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero__meta dd {
  margin: 0.15rem 0 0;
}

.hero__meta a,
.address-plate a,
.contact a,
.site-footer a {
  color: inherit;
}

.ledger {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.ledger caption {
  text-align: left;
  margin-bottom: 0.8rem;
}

.ledger th,
.ledger td {
  padding: 0.85rem 0.7rem 0.85rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-weight: 480;
}

.ledger thead th {
  border-bottom-color: var(--ink);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 650;
}

.ledger tbody th {
  font-weight: 650;
}

.about__copy,
.territory p,
.contact p {
  max-width: 38rem;
}

.about__copy p + p,
.territory p + p {
  margin-top: 1rem;
}

.services {
  list-style: none;
  padding: 0;
}

.service {
  display: grid;
  gap: 0.45rem;
  padding-block: 1.35rem;
  border-top: 1px solid var(--line);
}

.service:last-child {
  border-bottom: 1px solid var(--line);
}

.service__no {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.service h3 {
  margin-bottom: 0.45rem;
}

.service p {
  max-width: 42rem;
  color: var(--ink-soft);
}

.revs {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ink);
}

.revs li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  padding-block: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.revs__mark {
  font-size: var(--step-2);
  line-height: 1;
  color: var(--accent);
}

.revs h3 {
  margin-bottom: 0.35rem;
}

.revs p {
  max-width: 40rem;
  color: var(--ink-soft);
}

.works {
  display: grid;
  gap: var(--gap);
}

.address-plate {
  display: grid;
  gap: 0.25rem;
  align-content: start;
  margin: 0;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--ink);
  font-style: normal;
}

.address-plate strong {
  margin-top: 0.65rem;
  font-size: var(--step-1);
  font-weight: 650;
}

.command {
  display: grid;
  gap: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--ink);
  background: var(--bg);
  box-shadow: inset 0 0 0 4px var(--bg), inset 0 0 0 5px var(--line);
}

.command__switches {
  display: grid;
  align-content: start;
}

.switch {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.switch__ui {
  width: 2.7rem;
  height: 1.35rem;
  border: 1px solid var(--ink);
  position: relative;
}

.switch__ui::after {
  content: "";
  position: absolute;
  width: 0.85rem;
  height: 0.85rem;
  top: 0.18rem;
  left: 0.2rem;
  background: var(--ink);
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}

.switch input:checked + .switch__ui::after {
  transform: translateX(1.25rem);
  background: var(--accent);
}

.switch input:focus-visible + .switch__ui {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.command__draw {
  margin: 0;
}

.axon {
  width: 100%;
  height: auto;
  background: var(--bg-alt);
  border: 1px solid var(--line);
}

.axon .zone polygon {
  fill: var(--zone-idle);
  stroke: var(--ink);
  stroke-width: 1;
  stroke-linejoin: miter;
  transition: fill 0.25s var(--ease), stroke 0.25s var(--ease);
}

.axon .zone.is-hot polygon {
  fill: var(--accent-soft);
  stroke: var(--accent);
}

.axon .steel line,
.axon .steel polygon {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.6;
  stroke-linejoin: miter;
  transition: stroke 0.25s var(--ease);
}

.axon .steel.is-hot line,
.axon .steel.is-hot polygon {
  stroke: var(--accent);
}

.takeoff {
  margin: 0.75rem 0 0;
}

.takeoff div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.takeoff dt {
  color: var(--ink-soft);
}

.takeoff dd {
  margin: 0;
  font-weight: 650;
  text-align: right;
}

.command__terms {
  margin-top: 1rem;
}

.command__note {
  margin-top: 0.8rem;
  color: var(--ink-soft);
  font-size: var(--step--1);
}

.hero__grid > *,
.mill > *,
.about > *,
.territory > *,
.contact > *,
.works > *,
.enquiry,
.form-row,
.field {
  min-width: 0;
}

.enquiry {
  display: grid;
  gap: 1rem;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-width: 0;
}

.field select {
  padding: 0.85em 1em;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}

.field input,
.field textarea,
.field select {
  background: var(--bg);
}

.site-footer {
  background: var(--bg-deep);
  color: var(--ink-invert);
  border-top: none;
}

.footer__grid {
  display: grid;
  gap: 1.5rem;
}

.footer__brand {
  font-size: var(--step-1);
  font-weight: 650;
  letter-spacing: 0.04em;
}

.site-footer address {
  font-style: normal;
}

.site-footer nav {
  display: grid;
  gap: 0.35rem;
  align-content: start;
}

.site-footer p {
  max-width: 28rem;
  color: color-mix(in srgb, var(--ink-invert) 78%, transparent);
}

.site-footer .site-footer__bottom {
  border-top-color: color-mix(in srgb, var(--ink-invert) 28%, transparent);
  color: color-mix(in srgb, var(--ink-invert) 70%, transparent);
}

@media (min-width: 760px) {
  .hero__grid,
  .about,
  .territory,
  .contact {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .mill {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }

  .plate--portrait {
    max-width: 28rem;
    margin-top: 1.5rem;
  }

  .service {
    grid-template-columns: 4.5rem 1fr;
    gap: 1.5rem;
    align-items: baseline;
  }

  .revs {
    grid-template-columns: 1fr 1fr;
  }

  .revs li:nth-child(odd) {
    border-right: 1px solid var(--line);
    padding-right: 1.5rem;
  }

  .revs li:nth-child(even) {
    padding-left: 1.5rem;
  }

  .works {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .works__lead {
    grid-row: 1 / span 2;
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .footer__grid {
    grid-template-columns: 1.3fr 1fr 0.7fr;
  }
}

@media (min-width: 1000px) {
  .command {
    grid-template-columns: 15rem minmax(0, 1.3fr) 16rem;
    align-items: center;
    gap: 1.25rem;
  }

  .hero__grid {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: end;
  }
}

@media (max-width: 759px) {
  .ledger th,
  .ledger td {
    display: block;
    padding-bottom: 0.2rem;
  }

  .ledger thead {
    display: none;
  }

  .ledger tr {
    display: block;
    padding-block: 0.75rem;
    border-bottom: 1px solid var(--line);
  }

  .ledger tbody th,
  .ledger td {
    border-bottom: none;
    padding-top: 0.15rem;
  }
}