:root {
  --ink: #0c0b09;
  --ink-2: #14120e;
  --ink-3: #1d1a15;
  --paper: #efe8d8;
  --paper-2: #e3dac6;
  --copper: #c56a2d;
  --copper-hot: #e08a45;
  --steel: #7d8b94;
  --line: color-mix(in srgb, var(--paper) 16%, transparent);
  --line-strong: color-mix(in srgb, var(--paper) 28%, transparent);
  --text: #f4efe4;
  --text-dim: #b8ae9c;
  --mute: #8d8474;
  --danger: #c45c3a;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --display: "Oswald", "Arial Narrow", sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --gutter: clamp(1.1rem, 3vw, 2.4rem);
  --max: 1180px;
  --header-h: 4.25rem;
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
  min-height: 100%;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 78%);
  opacity: .55;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--copper-hot); text-underline-offset: .18em; }

a:hover { color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: .75rem;
  top: -3rem;
  z-index: 30;
  background: var(--copper);
  color: var(--ink);
  padding: .5rem .8rem;
  font-weight: 600;
}

.skip:focus { top: .75rem; }

.wrap {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink) 82%, transparent);
  backdrop-filter: blur(16px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: inherit;
  text-decoration: none;
}

.mark {
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--copper);
  background: var(--copper);
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-copy strong {
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.brand-copy span {
  color: var(--mute);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: .92rem;
}

.nav a:hover,
.nav a[aria-current="page"] { color: var(--paper); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  width: 2.6rem;
  height: 2.6rem;
  padding: 0;
}

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

.nav-toggle .bars,
.nav-toggle .bars::before,
.nav-toggle .bars::after {
  display: block;
  width: 1rem;
  height: 1.5px;
  background: currentColor;
  position: relative;
  margin: 0 auto;
}

.nav-toggle .bars::before,
.nav-toggle .bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle .bars::before { top: -.35rem; }
.nav-toggle .bars::after { top: .35rem; }

.hero {
  position: relative;
  z-index: 1;
  padding: clamp(2.4rem, 6vw, 5.5rem) 0 3rem;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: end;
}

.kicker {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper-hot);
  margin: 0 0 .8rem;
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: uppercase;
  line-height: .9;
  font-size: clamp(3.4rem, 10vw, 7.4rem);
}

.hero h1 em {
  font-style: normal;
  color: var(--copper);
}

.lede {
  max-width: 38rem;
  color: var(--text-dim);
  font-size: 1.15rem;
  margin: 1.3rem 0 1.8rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0 1.1rem;
  border: 1px solid var(--copper);
  background: var(--copper);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .82rem;
}

.btn:hover { color: var(--ink); background: var(--copper-hot); border-color: var(--copper-hot); }

.btn-ghost {
  background: transparent;
  color: var(--paper);
}

.btn-ghost:hover { color: var(--paper); background: var(--ink-3); }

.title-block {
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--ink-2) 88%, transparent);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.title-block header {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .7rem .9rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
}

.drawing {
  grid-column: 1 / -1;
  min-height: 220px;
  padding: 1.1rem;
  border-bottom: 1px solid var(--line);
}

.drawing svg { width: 100%; height: auto; }

.drawing path,
.drawing circle,
.drawing line {
  stroke: var(--paper);
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: square;
}

.drawing .dim { stroke: var(--copper); stroke-width: 1; }

.drawing .plot {
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
  animation: plot 2.8s ease forwards;
}

@keyframes plot { to { stroke-dashoffset: 0; } }

.spec {
  padding: .8rem .9rem 1rem;
  border-right: 1px solid var(--line);
}

.spec:last-child { border-right: 0; }

.spec dt {
  margin: 0;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
}

.spec dd {
  margin: .25rem 0 0;
  font-family: var(--display);
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: 1.15rem;
}

.band,
.hero,
.legal {
  scroll-margin-top: calc(var(--header-h) + .6rem);
}

.band {
  position: relative;
  z-index: 1;
  padding: clamp(3.2rem, 7vw, 6rem) 0;
}

.band-paper {
  background: var(--paper);
  color: var(--ink);
}

.band-paper a { color: #8a3f12; }

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(1.5rem, 6vw, 6rem);
  align-items: start;
}

.about-copy {
  max-width: 42rem;
}

.about-copy p {
  margin: 0 0 1rem;
  color: #4d463a;
}

.about-copy .about-lede {
  margin-bottom: 1.2rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  line-height: 1.35;
}

.usa-stamp {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  margin-top: .75rem;
  padding: .65rem .8rem;
  border: 1px solid #8a3f12;
  color: #8a3f12;
}

.usa-stamp span {
  font-family: var(--display);
  font-size: 1.8rem;
  letter-spacing: .08em;
  line-height: 1;
}

.usa-stamp small {
  border-left: 1px solid #8a3f12;
  padding-left: .75rem;
  font-family: var(--mono);
  font-size: .65rem;
  line-height: 1.35;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.band-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 2rem;
  border-bottom: 1px solid currentColor;
  padding-bottom: .8rem;
}

.band-head p {
  margin: 0;
  max-width: 28rem;
  color: inherit;
  opacity: .72;
}

.num {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper);
}

.band-paper .num { color: #8a3f12; }

h2 {
  margin: .2rem 0 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: .04em;
  text-transform: uppercase;
  line-height: 1;
}

.rail {
  display: grid;
  gap: 0;
}

.service {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 1.25rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}

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

.service h3 {
  margin: 0 0 .35rem;
  font-family: var(--display);
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: 1.45rem;
}

.service p { margin: 0; color: var(--text-dim); }

.idx {
  font-family: var(--mono);
  color: var(--copper);
  font-size: .9rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: color-mix(in srgb, var(--ink) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 16%, transparent);
}

.step {
  background: var(--paper);
  padding: 1.4rem 1.2rem 1.6rem;
  min-height: 16rem;
}

.step strong {
  display: block;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 2.6rem;
}

.step h3 {
  margin: 0 0 .6rem;
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: 1.4rem;
}

.step p { margin: 0; color: #4d463a; }

.materials {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th, td {
  text-align: left;
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 500;
}

td:first-child {
  font-family: var(--display);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.work-order {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.work-order h2 { max-width: 12ch; }

.note {
  color: var(--text-dim);
  font-family: var(--serif);
  font-size: 1.2rem;
}

.meta {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--text-dim);
}

.meta li { margin-bottom: .45rem; }

.meta a { color: inherit; }

label {
  display: block;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 .35rem;
}

.field { margin-bottom: 1rem; }

input, textarea, select {
  width: 100%;
  background: var(--ink);
  color: var(--text);
  border: 1px solid var(--line-strong);
  padding: .75rem .8rem;
  font: inherit;
}

textarea { min-height: 8.5rem; resize: vertical; }

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

.form-status {
  min-height: 1.3rem;
  margin: .6rem 0 0;
  color: var(--copper-hot);
  font-size: .92rem;
}

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 1.4rem 0 2rem;
  color: var(--mute);
  font-size: .9rem;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.legal {
  position: relative;
  z-index: 1;
  padding: 4.5rem 0 5rem;
}

.legal-card {
  max-width: 46rem;
  background: var(--ink-2);
  border: 1px solid var(--line-strong);
  padding: clamp(1.4rem, 3vw, 2.2rem);
}

.legal h1 {
  margin: 0 0 .4rem;
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
}

.date, .quiet { color: var(--mute); }

.legal p + p { margin-top: 1rem; }

.lost {
  min-height: calc(100vh - 8rem);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem var(--gutter);
}

.lost h1 {
  margin: .3rem 0 1rem;
  font-family: var(--display);
  font-size: clamp(4rem, 14vw, 9rem);
  letter-spacing: .04em;
}

@media (max-width: 880px) {
  .hero,
  .about-grid,
  .service,
  .work-order,
  .steps { grid-template-columns: 1fr; }

  .service { gap: .4rem; padding: 1.15rem 0; }

  .step { min-height: 0; }

  .nav-toggle { display: grid; place-items: center; }

  .nav {
    display: none;
    position: absolute;
    inset: var(--header-h) 0 auto;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.2rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav.is-open { display: flex; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .drawing .plot { animation: none; stroke-dashoffset: 0; }
}