:root {
  --paper: #f4ece0;
  --paper-2: #ebe0cf;
  --ink: #2b211c;
  --ink-2: #6b5a4e;
  --line: #d9cab4;
  --accent: #b8452c;
  --accent-ink: #fff8ef;
  --me: #2b211c;
  --me-ink: #f4ece0;
  --danger: #a3301c;
  --focus: #b8452c;
  --serif:
    "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Charter,
    "Bitstream Charter", Georgia, serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1b1613;
    --paper-2: #26201b;
    --ink: #eee3d3;
    --ink-2: #a8988a;
    --line: #3a312a;
    --accent: #e8825f;
    --accent-ink: #1b1613;
    --me: #eee3d3;
    --me-ink: #1b1613;
    --danger: #f08a72;
    --focus: #e8825f;
    color-scheme: dark;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.55;
  font-feature-settings: "onum", "kern";
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .4 0 0 0 0 .3 0 0 0 0 .2 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-color-scheme: dark) {
  body::before {
    mix-blend-mode: screen;
    opacity: 0.18;
  }
}

a {
  color: inherit;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

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

#main:focus {
  outline: none;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--paper);
  padding: 0.5rem 0.75rem;
  z-index: 2;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.frame {
  position: relative;
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

@media (min-width: 48rem) {
  .frame {
    padding: 0 2.5rem;
  }
}

.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.5rem 0 0;
}

.mark {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.mark span {
  color: var(--accent);
}

.top nav,
.foot nav {
  display: flex;
  gap: 1.25rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.top nav a,
.foot nav a {
  text-decoration: none;
  color: var(--ink-2);
}

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

nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--accent);
}

main {
  flex: 1;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid var(--line);
  margin-top: 5rem;
  padding: 1.5rem 0 2.5rem;
  color: var(--ink-2);
  font-size: 0.9375rem;
}

.foot p {
  margin: 0;
}

h1,
h2,
h3 {
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.1;
}

h1 {
  text-wrap: balance;
  font-size: clamp(2.5rem, 8vw, 4.75rem);
  margin: 0 0 1.25rem;
  letter-spacing: -0.035em;
}

h1 em {
  font-style: italic;
  color: var(--accent);
}

h2 {
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 1rem;
}

h3 {
  font-size: 1.375rem;
  margin: 0 0 0.25rem;
}

.lede {
  font-size: 1.3125rem;
  line-height: 1.5;
  max-width: 32ch;
  max-width: 34rem;
}

.muted,
.fine {
  color: var(--ink-2);
}

.fine {
  font-size: 0.9375rem;
}

.aside {
  color: var(--ink-2);
  font-style: italic;
  max-width: 34rem;
  margin: 0 0 1.5rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.quiet {
  color: var(--ink-2);
  font-size: 1rem;
}

.button {
  display: inline-block;
  font: inherit;
  font-size: 1.0625rem;
  line-height: 1;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background 0.15s ease;
}

.button:hover {
  color: var(--accent-ink);
  transform: translateY(-1px);
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.button.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

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

.link {
  font: inherit;
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 0.2em;
  cursor: pointer;
}

section {
  margin-top: 5rem;
}

@media (min-width: 48rem) {
  main > section:not(.hero):not(.flow) {
    display: grid;
    grid-template-columns: 11rem 1fr;
    column-gap: 2rem;
  }

  main > section:not(.hero):not(.flow) > h2 {
    grid-row: span 9;
    padding-top: 0.35rem;
  }
}

.hero {
  margin-top: 3.5rem;
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 56rem) {
  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    margin-top: 5.5rem;
  }
}

.thread {
  list-style: none;
  margin: 0;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: color-mix(in srgb, var(--paper-2) 55%, transparent);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.4;
}

.msg {
  display: flex;
  flex-direction: column;
  animation: arrive 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  animation-delay: calc(var(--i, 0) * 0.35s + 0.2s);
}

.msg p {
  margin: 0;
  max-width: 82%;
  padding: 0.55rem 0.85rem;
  border-radius: 1.1rem;
}

.msg time {
  align-self: center;
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--ink-2);
  margin: 0.6rem 0 0.3rem;
}

.msg.kyu p {
  align-self: flex-start;
  background: var(--paper);
  border: 1px solid var(--line);
  border-bottom-left-radius: 0.3rem;
}

.msg.you p {
  align-self: flex-end;
  background: var(--me);
  color: var(--me-ink);
  border-bottom-right-radius: 0.3rem;
}

.typing {
  animation-delay: 2.2s;
}

.typing p {
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem 0.9rem;
}

.typing i {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--ink-2);
  animation: blink 1.4s infinite both;
}

.typing i:nth-child(2) {
  animation-delay: 0.2s;
}

.typing i:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }
}

@keyframes blink {
  0%,
  80%,
  100% {
    opacity: 0.25;
  }
  40% {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

.loop {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem 2.5rem;
}

@media (min-width: 40rem) {
  .loop {
    grid-template-columns: 1fr 1fr;
  }
}

.loop li {
  counter-increment: step;
}

.loop h3::before {
  content: counter(step) ". ";
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--accent);
  vertical-align: 0.2em;
}

.loop p {
  margin: 0;
  color: var(--ink-2);
}

.promises ul {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 38rem;
}

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

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

.promises strong {
  font-weight: 600;
}

.plans {
  display: grid;
  gap: 1rem;
  max-width: 40rem;
}

@media (min-width: 40rem) {
  .plans {
    grid-template-columns: 1fr 1fr;
  }
}

.plan {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.25rem 1.35rem;
  background: color-mix(in srgb, var(--paper-2) 45%, transparent);
}

.plan .price {
  font-size: 2.25rem;
  margin: 0.25rem 0 0.75rem;
  letter-spacing: -0.03em;
  font-feature-settings: "lnum";
}

.plan .price span {
  font-size: 0.9375rem;
  color: var(--ink-2);
  letter-spacing: 0;
}

.plan ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-2);
  font-size: 1rem;
}

.flow {
  max-width: 34rem;
  margin-top: 3.5rem;
}

.flow.wide {
  max-width: 40rem;
}

.flow h1 {
  font-size: clamp(2.5rem, 7vw, 3.75rem);
}

.flow h2 {
  margin-top: 3rem;
}

.prose ul {
  padding-left: 1.1rem;
}

.prose li {
  margin-bottom: 0.6rem;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-2);
  flex-wrap: wrap;
}

.steps li {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.steps li.done {
  text-decoration: line-through;
  text-decoration-color: var(--accent);
}

.steps li[aria-current="step"] {
  border-color: var(--ink);
  color: var(--ink);
}

form {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  width: 100%;
}

legend {
  padding: 0;
  margin-bottom: 0.75rem;
}

.pick input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.pick:has(input:focus-visible) {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100%;
}

.field small,
.fine {
  color: var(--ink-2);
  font-size: 0.9375rem;
}

input[type="tel"],
input:not([type]),
input[inputmode="numeric"] {
  font: inherit;
  font-size: 1.25rem;
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--paper);
  color: var(--ink);
  font-feature-settings: "lnum", "tnum";
}

input:focus {
  border-color: var(--ink);
}

input.code {
  font-family: var(--mono);
  letter-spacing: 0.5em;
  font-size: 1.5rem;
  max-width: 12rem;
}

.turnstile {
  margin: 1rem 0;
  min-height: 65px;
}

.check {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 1rem;
  cursor: pointer;
}

.check input {
  margin-top: 0.3rem;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
  flex: none;
}

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

.pick {
  display: block;
  position: relative;
  cursor: pointer;
}

.pick:has(input:checked) {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}

.plan-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.plan-head strong {
  font-size: 1.375rem;
  font-weight: 500;
}

.pick .price {
  font-size: 1.5rem;
  margin: 0;
}

.plan-points {
  display: block;
  color: var(--ink-2);
  font-size: 0.9375rem;
  margin-top: 0.25rem;
}

.error {
  border-left: 3px solid var(--danger);
  padding: 0.5rem 0 0.5rem 0.9rem;
  color: var(--danger);
  margin: 0 0 1.5rem;
}

.memories {
  list-style: none;
  margin: 0;
  padding: 0;
}

.memories li {
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
}

.memories p {
  margin: 0;
}

.memories small {
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.empty {
  color: var(--ink-2);
  font-style: italic;
  border: 1px dashed var(--line);
  border-radius: 1rem;
  padding: 1.25rem;
}

.danger-title {
  color: var(--danger);
}

.danger {
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  border-radius: 1rem;
  padding: 1.25rem;
}

.danger p {
  margin: 0;
}

.danger-button {
  background: var(--danger);
  border-color: var(--danger);
}

.hero h1 {
  font-size: clamp(2.5rem, 9vw, 4rem);
}

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

textarea {
  font: inherit;
  font-size: 1.0625rem;
  width: 100%;
  min-height: 7rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--paper);
  color: var(--ink);
  resize: vertical;
}

textarea:focus {
  border-color: var(--ink);
}

.dials {
  display: grid;
  gap: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem 1.1rem 1.25rem;
  margin: 0;
}

.dials legend {
  padding: 0 0.4rem;
  color: var(--ink-2);
}

.dial {
  display: grid;
  gap: 0.35rem;
}

.dial-name {
  font-size: 1rem;
}

.dial input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  min-height: 1.75rem;
}

.dial-ends {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-2);
  font-size: 0.8125rem;
}

.dial-ends span:last-child {
  text-align: right;
}

.card-preview,
.companion {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.1rem 1.25rem;
  background: var(--paper-2);
}

.card-preview h2 {
  margin-top: 0;
}

.card-preview blockquote {
  margin: 0;
  padding: 0.6rem 0.9rem;
  border-radius: 1rem 1rem 1rem 0.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  width: fit-content;
  max-width: 100%;
}

.versions {
  list-style: none;
  margin: 0;
  padding: 0;
}

.versions li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
}

.textus {
  display: grid;
  gap: 1rem;
  justify-items: start;
}

.code-show {
  font-family: var(--mono);
  font-size: 2.4rem;
  letter-spacing: 0.3em;
  margin: 0;
  user-select: all;
}

.button.send {
  font-size: 1.2rem;
  padding: 1.1rem 1.8rem;
}