:root {
  --table: #c5d5c8;
  --film: #f3f6f2;
  --ink: #1c2420;
  --mute: #2f4038;
  --lamp: #e4f04a;
  --plate: #173f39;
  --plate-deep: #102e2a;
  --line: rgba(28, 36, 32, 0.18);
  --shadow: rgba(23, 63, 57, 0.18);
  --display: "Anybody", "Avenir Next Condensed", "Franklin Gothic Medium", sans-serif;
  --body: "Literata", "Iowan Old Style", Palatino, "Palatino Linotype", serif;
  --mono: "DM Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --wrap: min(1120px, calc(100% - 2.5rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--table);
  color: var(--ink);
  font-family: var(--body);
  font-optical-sizing: auto;
  font-size: 1.0625rem;
  line-height: 1.55;
}

::selection {
  background: var(--lamp);
  color: var(--ink);
}

:focus {
  outline: none;
}

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

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

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

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

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
  text-wrap: balance;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--ink);
  color: var(--film);
  padding: 0.55rem 0.8rem;
  text-decoration: none;
}

.skip:focus {
  top: 0.6rem;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--film);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 1rem 1.25rem;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}

.brand:hover {
  color: var(--ink);
}

.brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  margin-left: auto;
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.98rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.35rem 0.9rem;
  background: var(--plate);
  color: var(--film);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  border: 1px solid var(--plate);
  border-radius: 3px;
}

.btn:hover {
  background: var(--plate-deep);
  color: var(--film);
}

.hero {
  padding: 3.5rem 0 4.25rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 3rem 3.5rem;
  align-items: end;
}

.kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--mute);
}

.kicker a {
  text-decoration: none;
}

.kicker a:hover {
  text-decoration: underline;
}

h1 {
  margin: 0.7rem 0 1rem;
  font-size: clamp(3.15rem, 6.5vw, 5.5rem);
  max-width: 9.2ch;
}

.lede {
  margin: 0 0 1.5rem;
  max-width: 36ch;
  font-size: 1.2rem;
  line-height: 1.45;
}

.cmds {
  display: grid;
  gap: 0.75rem;
}

.cmd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-width: 0;
  background: var(--film);
  padding: 0.4rem 0.4rem 0.4rem 0.9rem;
  box-shadow: 6px 7px 0 var(--shadow);
}

code {
  overflow-wrap: anywhere;
}

.cmd code,
.block code,
.rail code,
.fields code {
  font-family: var(--mono);
  font-weight: 400;
}

.cmd code {
  min-width: 0;
  font-size: 0.86rem;
  line-height: 1.35;
}

.copy {
  flex: 0 0 auto;
  min-height: 2.75rem;
  min-width: 4.75rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  cursor: pointer;
}

.copy:hover {
  background: var(--ink);
  color: var(--film);
}

.copy.is-copied {
  background: var(--plate);
  border-color: var(--plate);
  color: var(--film);
}

.hero-note {
  margin: 1rem 0 0;
  max-width: 42ch;
  color: var(--mute);
  font-size: 0.98rem;
}

.proof {
  margin: 0;
}

.sheet {
  background: var(--film);
  box-shadow: 12px 14px 0 var(--shadow);
}

.lamp {
  display: flex;
  align-items: center;
  min-height: 2.7rem;
  padding: 0.4rem 1.1rem;
  background: var(--lamp);
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.sheet-body {
  padding: 1.25rem 1.2rem 1.35rem;
}

.sheet-file {
  position: relative;
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
}

.sheet-file::after {
  content: "";
  display: block;
  height: 4px;
  margin-top: 0.45rem;
  background: var(--lamp);
  transform: scaleX(0);
  transform-origin: left center;
}

.sheet[data-phase="reloaded"] .sheet-file::after {
  transform: scaleX(1);
  animation: redraw 0.45s ease-out;
}

.sheet-status {
  margin: 0.85rem 0 0;
  color: var(--mute);
  font-size: 1rem;
}

.rail {
  list-style: none;
  display: grid;
  gap: 0.95rem;
  margin: 1.25rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line);
}

.rail-label {
  display: block;
  margin-bottom: 0.18rem;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rail code {
  font-size: 0.84rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.proof figcaption {
  margin: 0.9rem 0 0;
  max-width: 46ch;
  color: var(--mute);
  font-size: 0.95rem;
}

.section,
#top,
#updates {
  scroll-margin-top: 7.25rem;
}

.section {
  padding: 4.25rem 0;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(2.1rem, 4vw, 3.15rem);
  max-width: 16ch;
}

.prose {
  max-width: 66ch;
}

.gap {
  margin-top: 1.15rem;
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem 1.25rem;
  margin: 2rem 0 0;
  padding: 0;
}

.steps li {
  display: grid;
  align-content: start;
  gap: 0.55rem;
}

.num {
  color: var(--plate);
  font-family: var(--display);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.steps p {
  margin: 0;
}

.fields {
  display: grid;
  gap: 0;
  margin: 1.6rem 0 0;
  max-width: 68ch;
}

.fields div {
  display: grid;
  grid-template-columns: 12.5rem minmax(0, 1fr);
  gap: 0.75rem 1.25rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.fields dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fields dd {
  margin: 0;
}

.example {
  margin-top: 1.5rem;
  max-width: 68ch;
}

.example h3 {
  margin: 0 0 0.7rem;
  font-size: 1.35rem;
}

.slip {
  margin-top: 1.4rem;
  max-width: 44rem;
  display: grid;
  gap: 0.75rem;
}

.subhead {
  margin: 2rem 0 0.7rem;
  font-size: 1.45rem;
}

.block {
  margin: 0;
  max-width: 100%;
  padding: 1rem 1.1rem;
  background: var(--film);
  box-shadow: 6px 7px 0 var(--shadow);
  overflow-x: auto;
}

.block code {
  font-size: 0.86rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.faq article {
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

.faq h3 {
  margin: 0 0 0.45rem;
  font-size: 1.28rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.faq p {
  margin: 0;
  max-width: 70ch;
}

.footer {
  padding: 2.4rem 0 3rem;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.25rem 2rem;
}

.footer-brand {
  margin: 0 0 0.3rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.footer p {
  margin: 0;
  max-width: 36ch;
  color: var(--mute);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.1rem;
  align-content: start;
  font-family: var(--display);
  font-weight: 500;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  h1 {
    max-width: 12ch;
  }
}

@media (max-width: 760px) {
  .nav-inner {
    flex-wrap: wrap;
    padding: 0.75rem 0;
  }

  .nav-links {
    order: 3;
    width: 100%;
    margin-left: 0;
  }

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

  .hero {
    padding-top: 2.2rem;
  }

  .hero-grid,
  .steps,
  .fields div {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.7rem, 14vw, 3.6rem);
  }

  .cmd {
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
  }

  .copy {
    width: 100%;
  }
}

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

  .sheet[data-phase="reloaded"] .sheet-file::after {
    animation: none;
  }
}

@keyframes redraw {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}