:root {
  --ink: #09090b;
  --plate: #101012;
  --hair: #2a2926;
  --mute: #8c887f;
  --paper: #ede8df;
  --ember: #b8956a;
  --sheet: 22px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --max: 1120px;
  --serif: "Instrument Serif", "Iowan Old Style", "Palatino Linotype", serif;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

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

:focus-visible {
  outline: 1px solid var(--ember);
  outline-offset: 3px;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.sheet {
  position: relative;
  min-height: 100vh;
  margin: var(--sheet);
  border: 1px solid var(--hair);
  background:
    linear-gradient(180deg, rgba(184, 149, 106, 0.04), transparent 28%),
    var(--plate);
}

.marks {
  position: absolute;
  inset: -7px;
  pointer-events: none;
  z-index: 5;
}

.marks span {
  position: absolute;
  width: 14px;
  height: 14px;
}

.marks span::before,
.marks span::after {
  content: "";
  position: absolute;
  background: var(--mute);
}

.marks span::before {
  width: 14px;
  height: 1px;
  top: 6.5px;
  left: 0;
}

.marks span::after {
  width: 1px;
  height: 14px;
  left: 6.5px;
  top: 0;
}

.marks .tl { top: 0; left: 0; }
.marks .tr { top: 0; right: 0; }
.marks .bl { bottom: 0; left: 0; }
.marks .br { bottom: 0; right: 0; }

.rail {
  display: none;
}

.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.15rem var(--gutter);
  border-bottom: 1px solid var(--hair);
}

.mark {
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.mark em {
  font-style: italic;
  color: var(--mute);
  font-size: 0.92em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.35rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

nav a {
  text-decoration: none;
  color: var(--mute);
}

nav a:hover,
nav a:focus-visible {
  color: var(--paper);
}

.hero {
  padding: clamp(2.5rem, 8vh, 6.5rem) var(--gutter) 3.5rem;
  max-width: calc(var(--max) + var(--gutter) * 2);
}

.kicker {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ember);
  margin: 0 0 1.6rem;
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 9.2vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 11ch;
}

h1 i {
  font-style: italic;
  color: var(--mute);
}

.lede {
  margin: 2rem 0 0;
  max-width: 36rem;
  color: var(--mute);
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 2rem;
  margin-top: 2.4rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--paper);
}

.cta:hover {
  background: var(--ember);
  border-color: var(--ember);
  color: var(--ink);
}

.ghost {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  text-decoration: none;
}

.ghost:hover {
  color: var(--paper);
}

.meta-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.meta-line div {
  padding: 1rem var(--gutter);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

.meta-line div + div {
  border-left: 1px solid var(--hair);
}

.meta-line strong {
  display: block;
  margin-top: 0.35rem;
  color: var(--paper);
  letter-spacing: 0.08em;
  font-weight: 500;
}

section {
  padding: clamp(3.2rem, 8vh, 5.5rem) var(--gutter);
  max-width: calc(var(--max) + var(--gutter) * 2);
}

.sec-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.2rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--hair);
}

.sec-head h2 {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ember);
}

.sec-head span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.spec {
  width: 100%;
  border-collapse: collapse;
}

.spec tr {
  border-bottom: 1px solid var(--hair);
}

.spec th,
.spec td {
  padding: 1.35rem 0;
  text-align: left;
  vertical-align: top;
}

.spec th {
  width: 34%;
  padding-right: 1.5rem;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  font-weight: 400;
  line-height: 1.15;
}

.spec td {
  color: var(--mute);
}

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

.step {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--hair);
}

.step b {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ember);
}

.step h3 {
  margin: 0 0 0.35rem;
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 400;
}

.step p {
  margin: 0;
  color: var(--mute);
  max-width: 38rem;
}

.work {
  display: grid;
}

.job {
  display: grid;
  gap: 0.35rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--hair);
  text-decoration: none;
}

.job:hover h3 {
  color: var(--ember);
}

.job small {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ember);
}

.job h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 400;
}

.job p {
  margin: 0.2rem 0 0;
  color: var(--mute);
  max-width: 40rem;
}

.brief {
  display: grid;
  gap: 1.1rem;
  max-width: 36rem;
}

.brief label {
  display: grid;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.brief input,
.brief textarea {
  font: inherit;
  font-family: var(--sans);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--paper);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hair);
  padding: 0.55rem 0 0.7rem;
  border-radius: 0;
  width: 100%;
}

.brief textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.brief input:focus,
.brief textarea:focus {
  outline: none;
  border-bottom-color: var(--ember);
}

.brief button {
  justify-self: start;
  margin-top: 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--paper);
  padding: 0.85rem 1.15rem;
  cursor: pointer;
}

.brief button:hover {
  background: var(--ember);
  border-color: var(--ember);
}

.note {
  margin: 0.4rem 0 0;
  color: var(--mute);
  font-size: 0.92rem;
}

.titleblock {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--hair);
  margin-top: 1rem;
}

.titleblock dl {
  margin: 0;
  padding: 1rem var(--gutter);
  border-bottom: 1px solid var(--hair);
}

.titleblock dt {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.titleblock dd {
  margin: 0.3rem 0 0;
  font-family: var(--serif);
  font-size: 1.05rem;
}

.legal {
  padding: 1rem var(--gutter) 1.4rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (min-width: 860px) {
  .rail {
    display: flex;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 42px;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--hair);
    z-index: 2;
  }

  .rail span {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--mute);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
  }

  .top,
  .hero,
  section,
  .meta-line,
  .titleblock dl,
  .legal {
    padding-left: calc(42px + var(--gutter));
  }

  .meta-line div {
    padding-left: var(--gutter);
  }

  .meta-line div:first-child {
    padding-left: calc(42px + var(--gutter));
  }

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

  .step {
    padding: 1.6rem 1.4rem 1.6rem 0;
  }

  .step:nth-child(odd) {
    padding-right: 1.8rem;
    border-right: 1px solid var(--hair);
  }

  .step:nth-child(even) {
    padding-left: 1.8rem;
  }

  .work {
    grid-template-columns: 1fr 1fr;
    gap: 0 2.5rem;
  }

  .titleblock {
    grid-template-columns: 1.4fr 1fr 1fr 0.8fr 0.7fr;
  }

  .titleblock dl {
    border-bottom: 0;
    border-right: 1px solid var(--hair);
  }

  .titleblock dl:last-child {
    border-right: 0;
  }
}

@media (max-width: 700px) {
  .meta-line {
    grid-template-columns: 1fr;
  }

  .meta-line div + div {
    border-left: 0;
    border-top: 1px solid var(--hair);
  }

  .spec,
  .spec tbody,
  .spec tr,
  .spec th,
  .spec td {
    display: block;
    width: 100%;
  }

  .spec th {
    padding-bottom: 0.25rem;
  }

  .spec td {
    padding-top: 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}