@font-face {
  font-family: Lato;
  src: url(fonts/Lato-Regular.ttf);
}
@font-face {
  font-family: Lato;
  src: url(fonts/Lato-Bold.ttf);
  font-weight: 700;
}
:root {
  --bg: #f4f0e8;
  --paper: #fcfaf6;
  --ink: #24251f;
  --muted: #5d6057;
  --line: #ccc9bf;
  --gold: #d5b47d;
  --night: #171a18;
  --max: 1320px;
  font:
    18px/1.65 Lato,
    Arial,
    sans-serif;
  color: var(--ink);
  background: var(--bg);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: auto;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
}
h1,
h2,
h3,
p {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
button,
input {
  font: inherit;
}
button,
a,
input {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid #586b48;
  outline-offset: 5px;
}
header,
main > section,
footer {
  max-width: var(--max);
  margin: auto;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-weight: 700;
  font-size: 25px;
  letter-spacing: 0.04em;
  text-decoration: none;
}
.wordmark span {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-top: 3px;
}
nav {
  display: flex;
  gap: 34px;
  font-size: 15px;
}
nav a {
  text-decoration: none;
}
.intro {
  padding: 84px 0 78px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 22px;
  color: var(--muted);
}
h1 {
  font-size: clamp(52px, 5.4vw, 80px);
  line-height: 1.03;
  letter-spacing: -0.05em;
  font-weight: 700;
}
h1 em {
  font-family: Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.055em;
}
.lead {
  max-width: 470px;
  margin-top: 28px;
  font-size: 19px;
  line-height: 1.6;
  color: var(--muted);
}
.cta {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 34px;
  font-size: 14px;
}
.button {
  display: inline-flex;
  gap: 22px;
  justify-content: space-between;
  align-items: center;
  padding: 18px 23px;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 700;
}
.primary {
  background: var(--ink);
  color: var(--paper);
}
.primary:hover {
  background: #3a4033;
}
.version {
  font-size: 12px;
  margin-top: 16px;
  color: var(--muted);
}
.preview-frame {
  background: var(--night);
  border: 9px solid var(--night);
  border-radius: 12px;
  box-shadow: 0 24px 60px #24251f26;
  transform: rotate(-1.5deg);
  overflow: hidden;
}
.preview-frame img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.frame-top,
.frame-bottom {
  display: flex;
  justify-content: space-between;
  padding: 13px 13px;
  color: var(--gold);
  font-size: 10px;
  letter-spacing: 0.12em;
}
.frame-bottom {
  font-family: Georgia, serif;
  font-size: 19px;
  color: var(--paper);
  letter-spacing: 0;
  padding: 16px;
}
.compatibility {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 50px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.small-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.compatibility h2,
.compatibility h3 {
  font-size: 19px;
  margin: 10px 0;
}
.compatibility p {
  font-size: 14px;
  color: var(--muted);
}
.guide {
  padding-top: 110px;
}
.guide-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  margin-bottom: 48px;
}
h2 {
  font-size: 44px;
  line-height: 1.16;
  letter-spacing: -0.035em;
}
.guide-note p {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 16px;
}
.text-button {
  background: none;
  border: 0;
  border-bottom: 1px solid currentColor;
  color: inherit;
  padding: 3px 0;
  font-size: 14px;
}
.progress-summary {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 13px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
progress {
  border: 0;
  height: 5px;
  max-width: 300px;
  flex: 1;
  accent-color: #586b48;
  background: var(--line);
}
progress::-webkit-progress-bar {
  background: var(--line);
}
progress::-webkit-progress-value {
  background: #586b48;
}
.step {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
}
.step-number {
  font:
    32px Georgia,
    serif;
  color: #74796a;
}
.step h3 {
  font-size: 26px;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.step ol {
  padding-left: 22px;
  max-width: 1000px;
  margin: 0;
}
.step li {
  padding-left: 10px;
  margin-bottom: 16px;
  font-size: 17px;
}
.aside {
  font-size: 14px;
  color: var(--muted);
  margin-top: 22px;
  max-width: 930px;
  line-height: 1.65;
}
.check {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 15px;
  margin-top: 24px;
}
.check input {
  width: 21px;
  height: 21px;
  accent-color: #586b48;
}
.everyday {
  padding: 86px 0;
  border-top: 1px solid var(--line);
}
.everyday-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px;
  margin-top: 42px;
}
.everyday h3 {
  font-size: 21px;
  margin-bottom: 12px;
}
.everyday p {
  font-size: 16px;
  color: var(--muted);
}
.help {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 90px;
  padding: 60px 0 90px;
}
.help > div > p:not(.eyebrow) {
  margin-top: 22px;
}
.help .text-button {
  margin-top: 28px;
}
.chat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.chat-heading {
  display: flex;
  gap: 10px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 18px 24px;
  font-size: 15px;
}
.chat-heading .text-button {
  margin: 0 0 0 auto;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #586b48;
}
.messages {
  height: 290px;
  overflow: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: auto;
}
.bubble {
  padding: 14px 18px;
  font-size: 15px;
  border-radius: 5px;
  max-width: 92%;
  white-space: pre-line;
}
.bubble.assistant {
  background: #e9eadf;
  align-self: flex-start;
}
.bubble.user {
  background: var(--ink);
  color: var(--paper);
  align-self: flex-end;
}
.topics {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 0 24px 20px;
}
.topics button {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 4px;
  padding: 7px 11px;
  font-size: 12px;
}
#helpForm {
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 18px;
}
#helpInput {
  min-width: 0;
  flex: 1;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 4px;
  padding: 10px;
  font-size: 14px;
}
#helpForm button {
  background: var(--ink);
  color: var(--paper);
  border: 0;
  border-radius: 4px;
  padding: 10px 18px;
  font-size: 14px;
}
.extras {
  padding-bottom: 80px;
}
details {
  border-top: 1px solid var(--line);
  padding: 24px 0;
}
summary {
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
}
details p,
details ol {
  margin-top: 18px;
  max-width: 1050px;
  font-size: 16px;
}
pre {
  padding: 20px;
  background: var(--night);
  color: var(--paper);
  overflow: auto;
  font-size: 12px;
  line-height: 1.9;
  border-radius: 4px;
}
code {
  font-size: 0.85em;
  overflow-wrap: anywhere;
}
.checksum {
  font-size: 12px;
  overflow-wrap: anywhere;
}
footer {
  padding: 36px 0 50px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}
footer p,
footer a {
  font-size: 12px;
  color: var(--muted);
}
footer .wordmark {
  font-size: 18px;
}
.sr-only {
  position: absolute;
  clip: rect(0, 0, 0, 0);
  width: 1px;
  height: 1px;
  overflow: hidden;
}
@media (max-width: 1400px) {
  header,
  main > section,
  footer {
    margin-left: 40px;
    margin-right: 40px;
  }
  .intro {
    gap: 44px;
  }
}
@media (max-width: 900px) {
  .intro {
    grid-template-columns: 1fr;
    gap: 50px;
    padding-top: 54px;
  }
  .intro h1 br:nth-child(2) {
    display: none;
  }
  .lead {
    max-width: 620px;
  }
  .preview-frame {
    transform: none;
  }
  .compatibility {
    gap: 24px;
  }
  .guide-heading,
  .help {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .guide {
    padding-top: 70px;
  }
  .guide-heading {
    margin-bottom: 32px;
  }
  .everyday-grid {
    gap: 26px;
  }
  .help {
    padding-top: 20px;
  }
  .step {
    grid-template-columns: 50px 1fr;
  }
  .guide-note {
    max-width: 660px;
  }
}
@media (max-width: 560px) {
  header,
  main > section,
  footer {
    margin-left: 22px;
    margin-right: 22px;
  }
  header {
    padding: 24px 0;
    align-items: flex-start;
  }
  nav {
    gap: 14px;
    font-size: 12px;
    max-width: 150px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  .wordmark {
    font-size: 21px;
  }
  h1 {
    font-size: 54px;
  }
  h2 {
    font-size: 36px;
  }
  .lead {
    font-size: 17px;
  }
  .compatibility {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 32px 0;
  }
  .compatibility h2,
  .compatibility h3 {
    margin: 6px 0;
  }
  .intro {
    padding-bottom: 42px;
  }
  .step {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 30px 0;
  }
  .step-number {
    font-size: 24px;
  }
  .step h3 {
    font-size: 23px;
  }
  .step li {
    font-size: 16px;
  }
  .everyday {
    padding: 55px 0;
  }
  .everyday-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .help {
    padding-bottom: 54px;
  }
  .progress-summary {
    gap: 10px;
    flex-wrap: wrap;
  }
  .progress-summary progress {
    min-width: 80px;
  }
  .chat-heading {
    padding: 16px;
  }
  .messages {
    padding: 16px;
    height: 300px;
  }
  .topics {
    padding: 0 16px 16px;
  }
  #helpForm {
    padding: 14px;
  }
  .frame-top span:last-child {
    display: none;
  }
  .frame-bottom {
    font-size: 17px;
  }
  .button {
    font-size: 14px;
    width: 100%;
  }
  .cta {
    gap: 18px;
  }
  .intro h1 br:nth-child(2) {
    display: block;
  }
  footer {
    gap: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html,
  .messages {
    scroll-behavior: auto;
  }
}
@media print {
  header nav,
  .cta,
  .preview-frame,
  .chat,
  .text-button,
  footer {
    display: none;
  }
  .intro {
    display: block;
    padding: 20px 0;
  }
  .intro h1 {
    font-size: 34px;
  }
  .intro h1 br {
    display: none;
  }
  .compatibility {
    display: block;
  }
  .guide {
    padding-top: 24px;
  }
  .step {
    break-inside: avoid;
  }
  .guide-heading {
    display: block;
  }
  .help {
    display: none;
  }
  details {
    display: block;
  }
  details > * {
    display: block;
  }
  body {
    background: white;
    color: black;
  }
  .step li {
    font-size: 12px;
  }
  h2 {
    font-size: 26px;
  }
  header,
  main > section {
    margin: 20px;
  }
  .step {
    padding: 20px 0;
  }
}