.walkthrough {
  max-width: 1120px;
  margin: auto;
  padding: 64px 28px 90px;
}
.walkthrough h1 {
  font-size: clamp(42px, 6vw, 68px);
  max-width: 830px;
}
.walkthrough h1 .serif {
  display: block;
  font-size: 0.72em;
  line-height: 1.2;
  margin-top: 15px;
}
.walkthrough-lead {
  max-width: 730px;
  color: var(--muted);
  line-height: 1.8;
}
.walkthrough-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin: 30px 0;
}
.walkthrough-chapters {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  padding: 22px 0;
  border-block: 1px solid var(--line);
  font-size: 12px;
}
.walkthrough section {
  padding-top: 65px;
  scroll-margin-top: 30px;
}
.walkthrough h2 {
  font-size: 34px;
  margin-bottom: 25px;
}
.walkthrough h3 {
  font-size: 19px;
  font-weight: 500;
}
.walkthrough-scope {
  padding: 24px 28px;
  background: #e9ece1;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.8;
}
.walkthrough-scope p:last-child {
  margin-bottom: 0;
}
.walkthrough-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 28px 0;
}
.walkthrough-flow div {
  padding: 22px;
  background: var(--green);
  color: var(--paper);
  border-radius: 5px;
  position: relative;
  line-height: 1.5;
  font-size: 13px;
}
.walkthrough-flow span {
  display: block;
  font-size: 10px;
  color: var(--lime);
  margin-bottom: 10px;
}
.walkthrough-flow div:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -13px;
  top: 32px;
  z-index: 1;
  background: var(--paper);
  color: var(--green);
  border-radius: 50%;
  font-size: 18px;
}
.walkthrough-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.walkthrough figure {
  margin: 0;
  border: 1px solid var(--line);
  padding: 20px;
  border-radius: 5px;
  background: #fbfaf6;
  min-width: 0;
}
.walkthrough figure img {
  width: 100%;
  height: auto;
  display: block;
}
.walkthrough figcaption {
  font-size: 12px;
  margin-top: 15px;
  line-height: 1.7;
  color: var(--muted);
}
.walkthrough video {
  width: 100%;
  border-radius: 7px;
  border: 1px solid var(--line);
  display: block;
  background: var(--green);
}
.walkthrough pre {
  overflow: auto;
  max-height: 440px;
  background: var(--green);
  color: #e9eedf;
  padding: 22px;
  font-size: 11px;
  line-height: 1.7;
  border-radius: 5px;
}
.walkthrough table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.walkthrough th,
.walkthrough td {
  text-align: left;
  padding: 13px 10px;
  border-bottom: 1px solid var(--line);
}
.walkthrough-evidence {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.walkthrough-evidence a {
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 20px;
  font-size: 13px;
  line-height: 1.7;
}
.walkthrough-evidence a:hover {
  background: #e9ece1;
}
.walkthrough-note {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}
.walkthrough .eyebrow {
  color: var(--muted);
}
.walkthrough details {
  margin-top: 18px;
}
.walkthrough details summary {
  font-size: 13px;
}
.walkthrough-footer {
  border-top: 1px solid var(--line);
  max-width: 1120px;
  padding: 28px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 12px;
}
.walkthrough a:focus-visible {
  outline: 3px solid #5f75cf;
  outline-offset: 5px;
}
@media (max-width: 700px) {
  .walkthrough {
    padding: 42px 20px 65px;
  }
  .walkthrough h1 {
    letter-spacing: -2px;
  }
  .walkthrough h1 .serif {
    letter-spacing: -1px;
  }
  .walkthrough-grid {
    grid-template-columns: 1fr;
  }
  .walkthrough-flow {
    grid-template-columns: 1fr 1fr;
  }
  .walkthrough-flow div:nth-child(2)::after {
    display: none;
  }
  .walkthrough-evidence {
    grid-template-columns: 1fr;
  }
  .walkthrough th,
  .walkthrough td {
    padding: 11px 7px;
  }
  .walkthrough-actions .button {
    gap: 20px;
  }
  .walkthrough section {
    padding-top: 46px;
  }
  .walkthrough-scope {
    padding: 20px;
  }
}