.knowledge-page main {
  --kb-ink: #20344f;
  --kb-muted: #4c5e73;
  --kb-line: #dbe5f0;
  --kb-accent: #1a55b5;
  --kb-wash: #eaf3ff;
  color: var(--kb-ink);
}

.kb-masthead {
  width: min(1240px, calc(100% - 80px));
  display: grid;
  grid-template-columns: minmax(0, 1.95fr) minmax(0, 1fr);
  grid-template-areas: "preview intro";
  align-items: center;
  gap: clamp(1.75rem, 4vw, 4rem);
  padding-block: clamp(7.25rem, 10vw, 9rem) clamp(3.25rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--kb-line);
}

.kb-intro { grid-area: intro; }

.kb-platform-preview {
  grid-area: preview;
  min-width: 0;
  margin: 0;
}

.kb-platform-preview img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #dbe5f0;
  border-radius: clamp(.6rem, 1.4vw, 1rem);
  box-shadow: 0 20px 36px -29px #254d7f42, 0 3px 7px #213f650d;
}

.kb-kicker,
.kb-stage {
  margin: 0;
  color: var(--kb-accent);
  font-size: .8125rem;
  font-weight: 750;
  letter-spacing: .04em;
}

.kb-kicker span { color: #5c7395; }

.kb-masthead h1 {
  margin: .52rem 0 .85rem;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -.06em;
}

.kb-lead,
.kb-section-heading > p:last-child {
  max-width: 43rem;
  color: var(--kb-muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.8;
}

.kb-lead {
  margin: 0;
  font-size: clamp(.875rem, 1.15vw, .9375rem);
  text-wrap: pretty;
}

.kb-entry-actions { margin-top: 1.15rem; }

.kb-entry-actions .kb-launch {
  min-height: 44px;
  padding: .56rem .85rem;
  gap: .6rem;
  border-radius: .75rem;
  background: var(--kb-accent);
  color: #fff;
  border-color: transparent;
  font-size: .8125rem;
}

.kb-entry-actions .kb-launch .icon { width: 1rem; height: 1rem; }

.kb-entry-actions .kb-launch:hover,
.kb-entry-actions .kb-launch:focus-visible {
  background: #154592;
  color: #fff;
}

.kb-entry-actions .kb-launch[aria-busy="true"] { opacity: .75; cursor: progress; }

.kb-launch-status {
  margin: .6rem 0 0;
  color: var(--kb-muted);
  font-size: .8125rem;
  line-height: 1.75;
}

.kb-launch-status:empty { margin: 0; }

.kb-facts {
  display: grid;
  gap: .75rem;
  margin: 1.65rem 0 0;
  padding-top: .95rem;
  border-top: 1px solid var(--kb-line);
}

.kb-facts dt {
  margin-bottom: .19rem;
  color: #53677f;
  font-size: .72rem;
}

.kb-facts dd {
  margin: 0;
  color: #324c6a;
  font-size: .81rem;
  font-weight: 600;
}

.kb-system,
.kb-build,
.kb-closing {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.kb-section-heading h2,
.kb-closing h2 {
  margin: .5rem 0 .7rem;
  font-size: clamp(1.85rem, 4vw, 3.05rem);
  line-height: 1.2;
  letter-spacing: -.055em;
  text-wrap: balance;
}

.kb-section-heading > p:last-child {
  margin: 0;
  font-size: .97rem;
}

.kb-section-heading .kb-two-line {
  margin-block: .9rem 1.35rem;
  line-height: 1.24;
  letter-spacing: -.037em;
}

.kb-two-line > span { display: block; }

.kb-two-line + p {
  letter-spacing: .022em;
  line-height: 1.92;
}

@media (max-width: 600px) {
  .kb-section-heading .kb-two-line {
    font-size: clamp(1.375rem, 6.15vw, 1.8rem);
    margin-block: .72rem 1rem;
  }
}

.kb-scenario {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  align-items: center;
  gap: clamp(1.3rem, 5vw, 4rem);
  margin-top: 2rem;
  padding: clamp(1.4rem, 4vw, 3rem);
  border-radius: clamp(1.15rem, 3vw, 1.75rem);
  background: linear-gradient(122deg, #f9f6f1, #e7f2ff);
}

.kb-scenario h3 {
  margin: .45rem 0 .65rem;
  font-size: clamp(1.2rem, 2.1vw, 1.65rem);
  line-height: 1.35;
  letter-spacing: -.035em;
}

.kb-scenario h3 + p {
  margin: 0;
  color: var(--kb-muted);
  font-size: .925rem;
  line-height: 1.82;
}

.kb-scenario dl {
  display: grid;
  gap: .55rem;
  min-width: 0;
  margin: 0;
}

.kb-scenario dl > div {
  padding: .85rem 1rem;
  border-radius: .9rem;
  background: #fffd;
}

.kb-scenario dt {
  color: var(--kb-accent);
  font-size: .72rem;
  font-weight: 750;
}

.kb-scenario dd {
  margin: .3rem 0 0;
  color: var(--kb-ink);
  font-size: .88rem;
  font-weight: 650;
  line-height: 1.55;
}

.kb-process {
  margin: clamp(1.3rem, 3vw, 2.1rem) 0 0;
  padding: clamp(1.1rem, 3vw, 1.85rem) clamp(1.2rem, 4vw, 2.5rem);
  border: 1px solid var(--kb-line);
  border-radius: clamp(1.05rem, 2.5vw, 1.4rem);
  background: #fbfcff;
}

.kb-process figcaption {
  color: var(--kb-accent);
  font-size: .8rem;
  font-weight: 750;
}

.kb-process ol {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.3rem .65rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.kb-process li {
  position: relative;
  display: grid;
  align-content: start;
  gap: .28rem;
}

.kb-process li span {
  display: grid;
  width: 1.8rem;
  aspect-ratio: 1;
  margin-bottom: .3rem;
  place-items: center;
  border: 1px solid #d5e4f5;
  border-radius: 50%;
  background: var(--kb-wash);
  color: var(--kb-accent);
  font: 700 .71rem/1 ui-monospace, monospace;
}

.kb-process li:not(:last-child)::after {
  content: "";
  position: absolute;
  inset: .88rem 0 auto 2.22rem;
  height: 1px;
  background: #d5e4f5;
}

.kb-process li strong { font-size: .925rem; }
.kb-process li small { color: var(--kb-muted); font-size: .76rem; line-height: 1.55; }

.kb-build { padding-top: 0; }
.kb-chapters { margin-top: 1.8rem; border-top: 1px solid var(--kb-line); }

.kb-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
  align-items: center;
  gap: clamp(1rem, 5vw, 4rem);
  padding-block: clamp(1.5rem, 4vw, 2.8rem);
  border-bottom: 1px solid var(--kb-line);
}

.kb-chapter-copy h3 {
  margin: .5rem 0 0;
  font-size: clamp(1.18rem, 2.25vw, 1.7rem);
  line-height: 1.38;
  letter-spacing: -.025em;
}

.kb-chapter-text {
  display: grid;
  gap: .7rem;
  margin-top: .9rem;
}

.kb-chapter-text p {
  margin: 0;
  color: var(--kb-muted);
  font-size: .95rem;
  line-height: 1.82;
}

.kb-chapter-text strong { color: var(--kb-ink); }

.kb-note {
  min-width: 0;
  margin: 0;
  padding: clamp(1rem, 3vw, 1.55rem);
  border-radius: 1.1rem;
  background: var(--kb-wash);
}

.kb-note .kb-note-label {
  margin: 0 0 .65rem;
  color: var(--kb-accent);
  font-size: .75rem;
  font-weight: 750;
}

.kb-note dl { display: grid; gap: .4rem; margin: 0; }

.kb-note dl > div {
  display: grid;
  grid-template-columns: minmax(4.35rem, auto) minmax(0, 1fr);
  gap: .7rem;
  padding: .57rem .7rem;
  border-radius: .55rem;
  background: #fff;
  font-size: .78rem;
  line-height: 1.55;
}

.kb-note dt { color: var(--kb-accent); font-weight: 700; }
.kb-note dd { margin: 0; color: var(--kb-ink); }
.kb-note mark { background: #d5e9ff; color: inherit; }
.kb-note > p:not(.kb-note-label) { margin: .7rem 0 0; color: var(--kb-muted); font-size: .8rem; line-height: 1.65; }

.kb-closing { padding-top: 0; }

.kb-closing-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4.5rem);
  padding: clamp(1.4rem, 5vw, 3.6rem);
  border: 1px solid var(--kb-line);
  border-radius: clamp(1.1rem, 3vw, 2rem);
  background:
    radial-gradient(ellipse at 9% 110%, #fff2e6 0, transparent 53%),
    linear-gradient(125deg, #fcfdff 18%, #e8f3ff 100%);
}

.kb-closing-panel h2 {
  font-size: clamp(1.48rem, 3.25vw, 2.8rem);
}

.kb-closing-copy > p:not(.kb-kicker) {
  max-width: 26rem;
  margin: 0;
  color: var(--kb-muted);
  font-size: .925rem;
  line-height: 1.8;
}

.kb-closing-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: .42rem;
  margin-top: .8rem;
  color: var(--kb-accent);
  font-size: .85rem;
  font-weight: 700;
  text-underline-offset: .25em;
}

.kb-closing-link .icon {
  width: 1rem;
  height: 1rem;
}

.kb-closing-link:hover { text-decoration: underline; }

.kb-closing-checks {
  display: grid;
  margin: 0;
  padding: 0;
  border: 1px solid var(--kb-line);
  border-radius: 1.125rem;
  background: #ffffffbe;
  list-style: none;
}

.kb-closing-checks li {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: .9rem 1rem;
}

.kb-closing-checks li + li { border-top: 1px solid var(--kb-line); }

.kb-closing-checks li > span {
  display: grid;
  flex: 0 0 auto;
  width: 1.9rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: .55rem;
  background: var(--kb-wash);
  color: var(--kb-accent);
  font: 700 .73rem/1 ui-monospace, monospace;
}

.kb-closing-checks strong,
.kb-closing-checks small { display: block; }
.kb-closing-checks strong { font-size: .91rem; }
.kb-closing-checks small { margin-top: .2rem; color: var(--kb-muted); font-size: .8rem; line-height: 1.6; }

.kb-related {
  padding-block: clamp(2.4rem, 6vw, 4.5rem) clamp(3.2rem, 7vw, 6rem);
  color: #f4f4f2;
  background: #1e1e1e;
}

.kb-related .related-heading .button {
  background: #fff;
  color: #191919;
  border-color: transparent;
  box-shadow: none;
}

.kb-related .related-heading .button:focus-visible {
  background: var(--lime);
  color: #182819;
}

@media (hover: hover) and (pointer: fine) {
  .kb-related .related-heading .button:hover {
    background: var(--lime);
    color: #182819;
  }
}

@media (max-width: 840px) {
  .kb-masthead {
    width: min(1240px, calc(100% - 40px));
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "intro" "preview";
  }
  .kb-intro { max-width: 33rem; }
  .kb-facts { grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr)); }
}

@media (min-width: 541px) and (max-width: 850px) {
  .kb-process ol { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .kb-process li:nth-child(3n)::after { content: none; }
}

@media (max-width: 670px) {
  .kb-chapter, .kb-scenario, .kb-closing-panel { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 540px) {
  .kb-process ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kb-process li:nth-child(2n)::after { content: none; }
}