:root {
  --paper: #efe7d6;
  --sheet: #f7f3ea;
  --ink: #1e2430;
  --muted: #3e4654;
  --line: #d5ccb8;
  --sienna: #8f3d1b;
  --sienna-deep: #6e2c12;
  --cream: #fffaf3;
  --header: 4.25rem;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Segoe UI", "Avenir Next", "Helvetica Neue", sans-serif;
  --mono: "Cascadia Mono", "Segoe UI Mono", ui-monospace, monospace;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
}

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

a {
  color: var(--sienna-deep);
}

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

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

.skip {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  transform: translateY(-150%);
  background: var(--ink);
  color: var(--cream);
  padding: 0.5rem 0.75rem;
  z-index: 5;
}

.skip:focus {
  transform: none;
}

.wrap {
  width: min(68rem, calc(100% - 2rem));
  margin-inline: auto;
}

.mast {
  position: sticky;
  top: 0;
  z-index: 4;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  min-height: var(--header);
}

.mast-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.1;
}

.brand img {
  image-rendering: pixelated;
}

.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0 0.85rem;
  cursor: pointer;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: 600 0.78rem/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

#site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem;
}

.js .nav-toggle {
  display: inline-flex;
}

.js #site-nav {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 0.15rem);
  z-index: 5;
  min-width: 14rem;
  padding: 0.4rem;
  background: var(--sheet);
  border: 1px solid var(--line);
  flex-direction: column;
  align-items: stretch;
}

.js #site-nav.is-open {
  display: flex;
}

#site-nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.7rem 0.75rem;
  font-size: 0.95rem;
}

#site-nav a:hover {
  background: var(--paper);
}

.nav-cta {
  background: var(--sienna);
  color: var(--cream) !important;
  text-align: center;
}

h1,
h2,
h3,
.slip-title {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0.35rem 0 1rem;
  font-size: clamp(2rem, 6vw, 3.5rem);
  max-width: 14ch;
}

h2 {
  margin: 0.2rem 0 0.8rem;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

h3 {
  margin: 0 0 0.45rem;
  font-size: 1.25rem;
}

p {
  margin: 0 0 0.9rem;
}

.kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sienna);
}

.short {
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.2;
  margin: 0.2rem 0 1rem;
}

.lede {
  max-width: 62ch;
  font-size: 1.12rem;
}

.hero {
  padding: 1.5rem 0 2.5rem;
}

.hero-copy p {
  max-width: 62ch;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  min-width: 15rem;
  max-width: 100%;
  margin-top: 0.4rem;
  padding: 0.65rem 1.2rem;
  background: var(--sienna);
  color: var(--cream);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
}

.cta:hover {
  background: var(--sienna-deep);
  color: var(--cream);
}

.slip {
  margin-top: 1.75rem;
  padding: 1.1rem 1.1rem 0.4rem;
  background: var(--sheet);
  border: 1px solid var(--ink);
  border-left: 0.45rem solid var(--sienna);
  min-height: 16.5rem;
}

.slip-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.slip-title {
  margin: 0.35rem 0 0.8rem;
  font-size: 1.7rem;
}

.slip-list {
  margin: 0;
}

.slip-list div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.5rem;
  padding: 0.55rem 0;
  border-top: 1px dashed var(--line);
}

.slip-list dt {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.slip-list dd {
  margin: 0;
  font-family: var(--serif);
}

.hero,
.block,
.notice {
  scroll-margin-top: 4.75rem;
}

.block {
  padding: 2.6rem 0;
  border-top: 1px solid var(--line);
}

.steps {
  list-style: none;
  margin: 1.2rem 0 0.4rem;
  padding: 0;
  counter-reset: step;
}

.steps li {
  position: relative;
  margin: 0 0 1.1rem;
  padding: 0 0 0.2rem 3.2rem;
  max-width: 65ch;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--sienna);
}

.diagram {
  margin: 1.2rem 0 1.4rem;
  max-width: 45rem;
}

.diagram figcaption {
  margin-top: 0.45rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.sheet {
  width: 100%;
  border-collapse: collapse;
  margin: 0.4rem 0 1.2rem;
  background: var(--sheet);
}

.sheet caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-bottom: 0.55rem;
  color: var(--muted);
}

.sheet th,
.sheet td {
  text-align: left;
  padding: 0.75rem 0.8rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.sheet th {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

.method-grid {
  margin: 1rem 0 0.4rem;
}

.method {
  padding: 0.9rem 0 0.2rem;
  border-top: 1px solid var(--line);
}

.method p {
  max-width: 48ch;
}

.notice {
  background: var(--ink);
  color: var(--cream);
  padding: 2.6rem 0 2.2rem;
}

.notice a {
  color: #f3d7b0;
}

.kicker-light {
  color: #e2b495;
}

.notice .short {
  color: #f3d7b0;
}

.colophon {
  padding: 2rem 0 2.4rem;
  background: var(--paper);
  border-top: 4px solid var(--sienna);
}

.colophon h2 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.brand-foot {
  font-family: var(--serif);
  font-size: 1.35rem;
  margin-bottom: 0.45rem;
}

.foot-contact a {
  display: inline;
}

@media (min-width: 800px) {
  body {
    background-image: linear-gradient(90deg, transparent 0 2.15rem, rgba(143, 61, 27, 0.55) 2.15rem calc(2.15rem + 1px), transparent calc(2.15rem + 1px));
  }

  .wrap {
    width: min(68rem, calc(100% - 6rem));
  }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.75fr);
    gap: 2.5rem;
    align-items: start;
  }

  .slip {
    margin-top: 2.4rem;
  }

  .method-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .method {
    border-top: 0;
    padding: 0 0 0 1rem;
    box-shadow: inset 1px 0 0 var(--line);
  }

  .foot-grid {
    display: grid;
    grid-template-columns: 1.1fr 1.2fr 1.2fr 0.9fr;
    gap: 1.5rem;
  }
}

@media (min-width: 960px) {
  .nav-toggle,
  .js .nav-toggle {
    display: none;
  }

  #site-nav,
  .js #site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.15rem;
    min-width: 0;
    padding: 0;
    background: transparent;
    border: 0;
  }

  #site-nav a {
    padding: 0.45rem 0.6rem;
  }

  .nav-cta {
    min-height: 2.4rem;
    display: inline-flex;
    align-items: center;
    padding-inline: 0.8rem;
  }
}

@media (max-width: 799px) {
  .foot-grid > div + div {
    margin-top: 1.2rem;
  }
}

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