:where(.guide-page, .guide-index-page, .guide-start-page) {
  --guide-ink: #111214;
  --guide-ink-soft: #313237;
  --guide-paper: #fbfbfd;
  --guide-surface: #f1f1f2;
  --guide-line: #dedee2;
  --guide-muted: var(--pana-color-text-secondary);
  --guide-orange: #ff6900;
  --guide-orange-soft: #fff0e5;
  background: var(--guide-paper);
}

.guide-page main {
  padding-top: 76px;
}

.guide-site-header .brand img,
.guide-page .footer-brand img,
.guide-context-lens img,
.guide-care-core img,
.guide-colophon img {
  filter: var(--pana-logo-accent-filter);
}

.guide-desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.guide-desktop-nav a {
  color: var(--pana-color-text-secondary);
  font-size: .88rem;
  text-decoration: none;
  transition: color .2s ease;
}

.guide-desktop-nav a:hover,
.guide-desktop-nav a[aria-current="page"] {
  color: var(--pana-color-text);
}

.guide-header-cta {
  min-height: 42px;
  padding: 11px 18px;
  font-size: .82rem;
}

.guide-mobile-menu {
  display: none;
}

.guide-hero {
  position: relative;
  min-height: min(900px, calc(100svh - 76px));
  overflow: hidden;
  color: #fff;
  background: #111214;
}

.guide-hero-image,
.guide-hero-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.guide-hero-image {
  object-fit: cover;
  object-position: center;
  transform: scale(1.015);
  animation: guide-image-settle 1.4s cubic-bezier(.2,.72,.2,1) both;
}

.guide-hero-scrim {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(10,11,13,.98) 0%, rgba(10,11,13,.88) 34%, rgba(10,11,13,.4) 63%, rgba(10,11,13,.1) 100%),
    linear-gradient(180deg, rgba(10,11,13,.08) 45%, rgba(10,11,13,.72) 100%);
}

.guide-context-thread {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
}

.guide-context-thread::before {
  content: "";
  position: absolute;
  right: 5vw;
  top: 18%;
  width: 34vw;
  height: 55%;
  border: 1px solid rgba(255,105,0,.35);
  border-left-color: transparent;
  border-radius: 50%;
  transform: rotate(-9deg);
}

.guide-context-thread span {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--guide-orange);
  box-shadow: 0 0 0 7px rgba(255,105,0,.12);
  opacity: .8;
  animation: guide-signal-pulse 3.2s ease-in-out infinite;
}

.guide-context-thread span:nth-child(1) { right: 35%; top: 24%; }
.guide-context-thread span:nth-child(2) { right: 8%; top: 38%; animation-delay: .6s; }
.guide-context-thread span:nth-child(3) { right: 28%; bottom: 24%; animation-delay: 1.2s; }
.guide-context-thread span:nth-child(4) { right: 13%; bottom: 17%; animation-delay: 1.8s; }

.guide-hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 70px;
  align-items: end;
  min-height: min(900px, calc(100svh - 76px));
  padding-block: clamp(86px, 10vh, 130px) 62px;
}

.guide-hero-copy {
  max-width: 810px;
  animation: guide-copy-enter .9s .16s cubic-bezier(.2,.72,.2,1) both;
}

.guide-imprint,
.guide-edition,
.guide-kicker,
.guide-utility-label,
.guide-toc > p {
  font-family: var(--pana-font-technical);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.guide-imprint {
  margin: 0 0 34px;
  color: var(--guide-orange);
}

.guide-hero h1 {
  max-width: 800px;
  margin: 0;
  font-family: var(--pana-font-title);
  font-size: clamp(4.5rem, 7.1vw, 8rem);
  font-weight: 520;
  line-height: .88;
  letter-spacing: -.072em;
}

.guide-hero h1 span {
  color: rgba(255,255,255,.78);
}

.guide-deck {
  max-width: 730px;
  margin: 32px 0 0;
  color: rgba(255,255,255,.76);
  font-size: clamp(1.06rem, 1.5vw, 1.35rem);
  line-height: 1.58;
}

.guide-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.guide-button-on-dark {
  border-color: rgba(255,255,255,.46);
  color: #fff;
  background: rgba(17,18,20,.28);
}

.guide-button-on-dark:hover {
  border-color: #fff;
  background: rgba(255,255,255,.08);
}

.guide-edition {
  margin: 24px 0 0;
  color: rgba(255,255,255,.5);
  font-size: .66rem;
}

.guide-hero-lifecycle {
  margin: 0 0 2px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255,255,255,.35);
  animation: guide-copy-enter .9s .34s cubic-bezier(.2,.72,.2,1) both;
}

.guide-hero-lifecycle li {
  display: grid;
  grid-template-columns: 45px 1fr;
  gap: 0;
  padding: 15px 2px;
  border-bottom: 1px solid rgba(255,105,0,.74);
  color: rgba(255,255,255,.68);
  font-size: .9rem;
}

.guide-hero-lifecycle span {
  color: var(--guide-orange);
  font-family: var(--pana-font-technical);
  font-size: .64rem;
}

.guide-utility {
  border-bottom: 1px solid var(--guide-line);
  background: var(--guide-surface);
}

.guide-utility-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 42px;
  align-items: center;
  min-height: 114px;
  padding-block: 20px;
}

.guide-utility-inner > div:first-child {
  display: grid;
  gap: 6px;
}

.guide-utility-label,
.guide-kicker {
  margin: 0;
  color: var(--guide-orange);
}

.guide-utility strong {
  max-width: 720px;
  font-family: var(--pana-font-title);
  font-size: 1.05rem;
}

.guide-share-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.guide-share-actions a,
.guide-share-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  margin: 0;
  padding: 0 12px;
  border: 1px solid var(--guide-line);
  border-radius: 999px;
  color: var(--guide-ink-soft);
  background: #fff;
  font: 700 .72rem/1 var(--pana-font-body);
  white-space: nowrap;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  appearance: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.guide-share-actions a:hover,
.guide-share-actions button:hover {
  border-color: var(--guide-orange);
  color: var(--guide-orange);
  transform: translateY(-1px);
}

.guide-markdown-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  min-height: 36px;
  padding: 0 11px;
  border: 1px solid var(--guide-line);
  border-radius: 999px;
  color: var(--guide-ink-soft);
  background: transparent;
  font: 800 .68rem/1 var(--pana-font-technical);
  letter-spacing: .07em;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.guide-share-actions .guide-markdown-pill {
  min-height: 38px;
  padding-inline: 12px;
  background: transparent;
  font: 800 .68rem/1 var(--pana-font-technical);
  letter-spacing: .07em;
}

.guide-markdown-pill:hover {
  border-color: var(--guide-orange);
  color: var(--guide-orange);
  transform: translateY(-1px);
}

.guide-reader-strip {
  padding: 54px 0 66px;
  border-bottom: 1px solid var(--guide-line);
}

.guide-reader-strip ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--guide-line);
  border-left: 1px solid var(--guide-line);
}

.guide-reader-strip li {
  min-height: 132px;
  padding: 22px;
  border-right: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
}

.guide-reader-strip strong,
.guide-reader-strip span {
  display: block;
}

.guide-reader-strip strong {
  font-family: var(--pana-font-title);
  font-size: 1.18rem;
}

.guide-reader-strip span {
  margin-top: 14px;
  color: var(--pana-color-text-secondary);
  font-size: .86rem;
  line-height: 1.5;
}

.guide-reading-layout {
  display: grid;
  grid-template-columns: 235px minmax(0, 1fr);
  gap: clamp(56px, 8vw, 118px);
  align-items: start;
  padding-block: 92px 130px;
}

.guide-toc {
  position: sticky;
  top: 104px;
  max-height: calc(100vh - 128px);
  overflow: auto;
  padding: 0 5px 24px 0;
}

.guide-progress {
  height: 3px;
  margin-bottom: 22px;
  overflow: hidden;
  background: var(--guide-line);
}

.guide-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--guide-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .12s linear;
}

.guide-toc > p {
  margin: 0 0 12px;
  color: var(--pana-color-text-tertiary);
}

.guide-toc nav {
  display: grid;
}

.guide-toc nav a {
  padding: 8px 0;
  border-bottom: 1px solid var(--guide-line);
  color: var(--pana-color-text-secondary);
  font-size: .73rem;
  line-height: 1.35;
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.guide-toc nav a:hover,
.guide-toc nav a[aria-current="true"] {
  padding-left: 6px;
  color: var(--guide-orange);
}

.guide-toc-download {
  display: inline-flex;
  margin-top: 20px;
  color: var(--guide-orange);
  font-size: .76rem;
  font-weight: 800;
  text-underline-offset: 4px;
}

.guide-article {
  min-width: 0;
}

.guide-chapter {
  padding: 36px 0 114px;
  scroll-margin-top: 105px;
}

.guide-chapter + .guide-chapter {
  padding-top: 114px;
  border-top: 1px solid var(--guide-line);
}

.guide-chapter-heading {
  max-width: 940px;
  margin-bottom: 52px;
}

.guide-chapter-heading h2,
.guide-download-band h2,
.guide-final-cta h2 {
  margin: 18px 0 0;
  font-family: var(--pana-font-title);
  font-size: clamp(3.2rem, 5.5vw, 6.25rem);
  font-weight: 540;
  line-height: .98;
  letter-spacing: -.062em;
}

.guide-lead {
  max-width: 820px;
  margin: 28px 0 0;
  color: var(--pana-color-text-secondary);
  font-size: clamp(1.14rem, 1.8vw, 1.45rem);
  line-height: 1.58;
}

.guide-prose {
  max-width: 790px;
}

.guide-prose p {
  margin: 0 0 24px;
  color: var(--guide-ink-soft);
  font-size: 1.06rem;
  line-height: 1.84;
}

.guide-prose a {
  color: var(--guide-orange);
  text-underline-offset: 4px;
}

.guide-prose blockquote,
.guide-chapter > blockquote {
  max-width: 900px;
  margin: 58px 0;
  padding-left: 28px;
  border-left: 4px solid var(--guide-orange);
  font-family: var(--pana-font-title);
  font-size: clamp(2rem, 4.2vw, 4.2rem);
  font-weight: 480;
  line-height: 1.08;
  letter-spacing: -.047em;
}

.guide-context-lens {
  position: relative;
  width: min(100%, 760px);
  aspect-ratio: 1.62;
  margin: 76px 0 0;
  border: 1px solid var(--guide-line);
  overflow: hidden;
  background: var(--guide-surface);
}

.guide-context-lens::before,
.guide-context-lens::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid var(--guide-line);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.guide-context-lens::before { width: 70%; aspect-ratio: 1; }
.guide-context-lens::after { width: 42%; aspect-ratio: 1; }

.guide-context-lens-core {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: 142px;
  aspect-ratio: 1;
  border-radius: 50%;
  color: #fff;
  background: var(--guide-ink);
  transform: translate(-50%, -50%);
}

.guide-context-lens-core img {
  width: 52px;
}

.guide-context-lens-core span {
  margin-top: -8px;
  font-family: var(--pana-font-technical);
  font-size: .66rem;
  line-height: 1.35;
  letter-spacing: .12em;
  text-align: center;
  text-transform: uppercase;
}

.guide-context-lens > span {
  --lens-angle: calc(var(--lens-index) * 60deg - 90deg);
  position: absolute;
  z-index: 3;
  left: calc(50% + cos(var(--lens-angle)) * 37%);
  top: calc(50% + sin(var(--lens-angle)) * 38%);
  display: grid;
  place-items: center;
  width: 94px;
  height: 38px;
  border: 1px solid var(--guide-line);
  border-radius: 999px;
  color: var(--guide-ink-soft);
  background: #fff;
  font-family: var(--pana-font-technical);
  font-size: .64rem;
  transform: translate(-50%, -50%);
}

.guide-comparison {
  margin: 56px 0 0;
  border-top: 1px solid var(--guide-ink);
}

.guide-comparison > div {
  display: grid;
  grid-template-columns: .55fr 1fr 1.35fr;
}

.guide-comparison > div > * {
  padding: 20px 18px;
  border-right: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
  color: var(--guide-ink-soft);
}

.guide-comparison > div > *:first-child {
  border-left: 1px solid var(--guide-line);
}

.guide-comparison-head > * {
  color: #fff !important;
  background: var(--guide-ink);
  font-family: var(--pana-font-technical);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.guide-comparison > div:last-child > * {
  background: var(--guide-orange-soft);
}

.guide-chapter-dark {
  --guide-dark-bleed: clamp(32px, 5vw, 64px);
  position: relative;
  width: calc(100% + var(--guide-dark-bleed));
  margin-left: calc(-1 * var(--guide-dark-bleed));
  margin-right: 0;
  padding-inline: var(--guide-dark-bleed);
  color: #fff;
  background: var(--guide-ink);
}

.guide-chapter-dark + .guide-chapter {
  border-top: 0;
}

.guide-chapter-dark .guide-kicker {
  color: var(--guide-orange);
}

.guide-chapter-dark .guide-lead,
.guide-chapter-dark .guide-prose p {
  color: rgba(255,255,255,.68);
}

.guide-category-contrast {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 64px;
  border-top: 1px solid rgba(255,255,255,.22);
  border-left: 1px solid rgba(255,255,255,.22);
}

.guide-category-contrast > div {
  min-height: 265px;
  padding: 28px;
  border-right: 1px solid rgba(255,255,255,.22);
  border-bottom: 1px solid rgba(255,255,255,.22);
}

.guide-category-contrast span,
.guide-category-contrast strong {
  display: block;
}

.guide-category-contrast span {
  color: var(--guide-orange);
  font-family: var(--pana-font-technical);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.guide-category-contrast strong {
  margin-top: 56px;
  font-family: var(--pana-font-title);
  font-size: 1.5rem;
  line-height: 1.18;
}

.guide-category-contrast p {
  margin: 18px 0 0;
  color: rgba(255,255,255,.58);
  font-size: .9rem;
  line-height: 1.6;
}

.guide-continuity-rail,
.guide-compounding-loop {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 60px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--guide-line);
  border-left: 1px solid var(--guide-line);
}

.guide-continuity-rail li,
.guide-compounding-loop li {
  min-height: 270px;
  padding: 24px;
  border-right: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
}

.guide-continuity-rail span,
.guide-compounding-loop span,
.guide-requirement-grid > article > span {
  color: var(--guide-orange);
  font-family: var(--pana-font-technical);
  font-size: .68rem;
  font-weight: 800;
}

.guide-continuity-rail strong,
.guide-compounding-loop strong {
  display: block;
  margin-top: 64px;
  font-family: var(--pana-font-title);
  font-size: 1.38rem;
}

.guide-continuity-rail p,
.guide-compounding-loop p {
  margin: 14px 0 0;
  color: var(--pana-color-text-secondary);
  font-size: .88rem;
  line-height: 1.55;
}

.guide-requirement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 0 64px;
  border-top: 1px solid var(--guide-line);
  border-left: 1px solid var(--guide-line);
}

.guide-requirement-grid article {
  min-height: 255px;
  padding: 28px;
  border-right: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
}

.guide-requirement-grid h3 {
  margin: 52px 0 14px;
  font-family: var(--pana-font-title);
  font-size: 1.62rem;
}

.guide-requirement-grid p {
  margin: 0;
  color: var(--pana-color-text-secondary);
  font-size: .92rem;
  line-height: 1.6;
}

.guide-runtime-path {
  margin: 0 0 62px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255,255,255,.2);
}

.guide-runtime-path li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 24px;
  padding: 25px 0;
  border-bottom: 1px solid rgba(255,255,255,.2);
}

.guide-runtime-path > li > span {
  color: var(--guide-orange);
  font-family: var(--pana-font-technical);
  font-size: .7rem;
  font-weight: 800;
}

.guide-runtime-path strong {
  display: block;
  font-family: var(--pana-font-title);
  font-size: 1.32rem;
}

.guide-runtime-path p {
  max-width: 720px;
  margin: 8px 0 0;
  color: rgba(255,255,255,.6);
  font-size: .93rem;
}

.guide-context-slices {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 58px 0;
  border-top: 1px solid var(--guide-line);
  border-left: 1px solid var(--guide-line);
}

.guide-context-slices article {
  min-height: 235px;
  padding: 28px;
  border-right: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
}

.guide-context-slices span,
.guide-context-slices strong {
  display: block;
}

.guide-context-slices span {
  color: var(--guide-orange);
  font-family: var(--pana-font-technical);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.guide-context-slices strong {
  margin-top: 44px;
  font-family: var(--pana-font-title);
  font-size: 1.52rem;
}

.guide-context-slices p {
  margin: 14px 0 0;
  color: var(--pana-color-text-secondary);
}

.guide-care-frame {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 240px;
  align-items: stretch;
  margin-top: 64px;
  min-height: 430px;
  overflow: hidden;
  color: #fff;
  background: var(--guide-ink);
}

.guide-care-frame::after {
  content: "";
  position: absolute;
  left: 45%;
  top: 50%;
  width: 360px;
  aspect-ratio: 1;
  border: 1px solid rgba(255,105,0,.28);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.guide-care-actors {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid rgba(255,255,255,.18);
  border-left: 1px solid rgba(255,255,255,.18);
}

.guide-care-actors span {
  display: grid;
  place-items: center;
  min-height: 106px;
  border-right: 1px solid rgba(255,255,255,.18);
  border-bottom: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.66);
  font-family: var(--pana-font-technical);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.guide-care-core {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  align-content: center;
  padding: 30px;
  border-left: 1px solid rgba(255,255,255,.18);
  text-align: center;
  background: rgba(255,105,0,.08);
}

.guide-care-core img { width: 84px; }
.guide-care-core strong {
  margin-top: 24px;
  font-family: var(--pana-font-title);
  font-size: 1.36rem;
}
.guide-care-core small {
  margin-top: 12px;
  color: rgba(255,255,255,.55);
  font-family: var(--pana-font-technical);
  font-size: .62rem;
}

.guide-responsibility-map {
  margin-bottom: 58px;
  border-top: 1px solid rgba(255,255,255,.2);
}

.guide-responsibility-map > div {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 32px;
  padding: 19px 0;
  border-bottom: 1px solid rgba(255,255,255,.2);
}

.guide-responsibility-map span {
  color: var(--guide-orange);
  font-family: var(--pana-font-technical);
  font-size: .69rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.guide-responsibility-map strong {
  font-family: var(--pana-font-title);
  font-size: 1.18rem;
  font-weight: 520;
}

.guide-canvas-section {
  padding-bottom: 80px;
}

.guide-canvas {
  margin: 0 0 54px;
  border: 1px solid var(--guide-line);
  background: #fff;
}

.guide-canvas-header {
  display: grid;
  grid-template-columns: 1fr 210px;
  gap: 32px;
  align-items: end;
  padding: 28px;
  color: #fff;
  background: var(--guide-ink);
}

.guide-canvas-header span,
.guide-canvas-header strong {
  display: block;
}

.guide-canvas-header span {
  color: var(--guide-orange);
  font-family: var(--pana-font-technical);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.guide-canvas-header strong {
  margin-top: 10px;
  font-family: var(--pana-font-title);
  font-size: 1.35rem;
}

.guide-canvas-meter {
  height: 6px;
  overflow: hidden;
  background: rgba(255,255,255,.18);
}

.guide-canvas-meter span {
  width: 0;
  height: 100%;
  background: var(--guide-orange);
  transition: width .3s ease;
}

.guide-canvas-rows label {
  display: grid;
  grid-template-columns: 1fr 150px;
  gap: 24px;
  align-items: center;
  min-height: 92px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--guide-line);
}

.guide-canvas-rows label > span,
.guide-canvas-rows strong,
.guide-canvas-rows small {
  display: block;
}

.guide-canvas-rows strong {
  font-family: var(--pana-font-title);
  font-size: 1.05rem;
}

.guide-canvas-rows small {
  margin-top: 6px;
  color: var(--pana-color-text-secondary);
  font-size: .78rem;
  line-height: 1.45;
}

.guide-canvas-rows select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--guide-line);
  border-radius: 6px;
  color: var(--guide-ink);
  background: var(--guide-surface);
  font: 700 .78rem/1 var(--pana-font-body);
}

.guide-canvas-summary {
  margin: 24px;
  padding: 18px 20px;
  border-left: 3px solid var(--guide-orange);
  color: var(--guide-ink-soft);
  background: var(--guide-orange-soft);
  font-weight: 700;
}

.guide-canvas-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 0 24px 24px;
}

.guide-text-button {
  padding: 9px 4px;
  border: 0;
  color: var(--pana-color-text-secondary);
  background: transparent;
  font: 700 .8rem/1 var(--pana-font-body);
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
}

.guide-download-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 62px;
  align-items: end;
  margin: 40px 0 120px;
  padding: 48px;
  border-top: 4px solid var(--guide-orange);
  color: #fff;
  background: var(--guide-ink);
}

.guide-download-band h2 {
  max-width: 760px;
  font-size: clamp(2.4rem, 4.2vw, 4.6rem);
}

.guide-download-band p:not(.guide-kicker) {
  max-width: 660px;
  margin: 22px 0 0;
  color: rgba(255,255,255,.62);
}

.guide-download-band > div:last-child {
  display: grid;
  gap: 10px;
}

.guide-boundary-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0 0 60px;
  border-top: 1px solid var(--guide-line);
  border-left: 1px solid var(--guide-line);
}

.guide-boundary-columns > div {
  padding: 30px;
  border-right: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
}

.guide-boundary-columns h3 {
  margin: 0 0 24px;
  font-family: var(--pana-font-title);
  font-size: 1.56rem;
}

.guide-boundary-columns ul {
  margin: 0;
  padding-left: 18px;
}

.guide-boundary-columns li {
  margin: 0 0 12px;
  color: var(--guide-ink-soft);
}

.guide-company-facts {
  margin: 0;
  border-top: 1px solid var(--guide-line);
}

.guide-company-facts > div {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 36px;
  padding: 22px 0;
  border-bottom: 1px solid var(--guide-line);
}

.guide-company-facts dt {
  color: var(--guide-orange);
  font-family: var(--pana-font-technical);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.guide-company-facts dd {
  margin: 0;
  color: var(--guide-ink-soft);
}

.guide-colophon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  margin-top: 54px;
  padding: 28px 0;
  border-top: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
}

.guide-colophon > div {
  display: grid;
  grid-template-columns: 66px 1fr;
  align-items: center;
}

.guide-colophon img {
  grid-row: span 2;
  width: 50px;
}

.guide-colophon strong {
  font-family: var(--pana-font-title);
  font-size: 1.18rem;
}

.guide-colophon span {
  color: var(--pana-color-text-secondary);
  font-size: .8rem;
}

.guide-author-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--guide-ink);
  font-size: .84rem;
  font-weight: 800;
  text-decoration: none;
}

.guide-author-link svg {
  fill: var(--guide-orange);
}

.guide-disclaimer {
  max-width: 800px;
  margin: 32px 0 0;
  color: var(--pana-color-text-tertiary);
  font-size: .76rem;
  line-height: 1.6;
}

.guide-final-cta {
  position: relative;
  min-height: 610px;
  overflow: hidden;
  display: grid;
  align-items: end;
  margin-top: 30px;
  padding: 64px;
  color: #fff;
  background: var(--guide-ink);
}

.guide-final-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(12,13,15,.96) 0%, rgba(12,13,15,.76) 46%, rgba(12,13,15,.2) 100%);
}

.guide-final-cta > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guide-final-cta > div {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.guide-final-cta h2 {
  font-size: clamp(2.9rem, 5.2vw, 5.6rem);
}

.guide-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.guide-page .footer-thesis {
  max-width: 1180px;
}

.guide-page .footer-brand img {
  object-fit: contain;
}

.guide-index-main {
  padding-top: 76px;
}

.guide-index-hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  display: grid;
  align-items: end;
  color: #fff;
  background: var(--guide-ink);
}

.guide-index-hero > img,
.guide-index-hero-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.guide-index-hero > img {
  object-fit: cover;
  object-position: center;
}

.guide-index-hero-scrim {
  z-index: 1;
  background: linear-gradient(90deg, rgba(10,11,13,.98) 0%, rgba(10,11,13,.82) 44%, rgba(10,11,13,.22) 100%);
}

.guide-index-hero .shell {
  position: relative;
  z-index: 2;
  padding-block: 92px;
}

.guide-index-hero h1 {
  max-width: 900px;
  margin: 0;
  font-family: var(--pana-font-title);
  font-size: clamp(4.5rem, 8vw, 8.5rem);
  font-weight: 520;
  line-height: .9;
  letter-spacing: -.072em;
}

.guide-index-hero .guide-imprint {
  margin-bottom: 28px;
}

.guide-index-hero p:not(.guide-imprint) {
  max-width: 690px;
  margin: 30px 0 0;
  color: rgba(255,255,255,.68);
  font-size: 1.2rem;
  line-height: 1.65;
}

.guide-index-list {
  padding: 112px 0 140px;
}

.guide-index-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, .82fr);
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
}

.guide-index-image {
  overflow: hidden;
  display: block;
  aspect-ratio: 1.18;
  background: var(--guide-ink);
}

.guide-index-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .7s cubic-bezier(.2,.72,.2,1);
}

.guide-index-image:hover img {
  transform: scale(1.025);
}

.guide-index-feature h2 {
  margin: 18px 0 0;
  font-family: var(--pana-font-title);
  font-size: clamp(3.3rem, 5.6vw, 6.2rem);
  font-weight: 540;
  line-height: .95;
  letter-spacing: -.065em;
}

.guide-index-feature h2 a {
  text-decoration: none;
}

.guide-index-feature > div > p:not(.guide-kicker) {
  margin: 28px 0 0;
  color: var(--pana-color-text-secondary);
  font-size: 1.06rem;
  line-height: 1.72;
}

.guide-index-feature ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--guide-line);
}

.guide-index-feature li {
  padding: 13px 0 13px 24px;
  border-bottom: 1px solid var(--guide-line);
  position: relative;
  color: var(--guide-ink-soft);
  font-size: .9rem;
}

.guide-index-feature li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--guide-orange);
}

.guide-index-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

/* Foundation-guide series */
.guide-series-strip {
  border-bottom: 1px solid var(--guide-line);
  background: #fff;
}

.guide-series-strip .shell {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-block: 0;
}

.guide-series-strip a {
  position: relative;
  display: grid;
  gap: 6px;
  min-height: 112px;
  padding: 27px 28px;
  border-right: 1px solid var(--guide-line);
  color: var(--guide-ink);
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}

.guide-series-strip a:first-child { border-left: 1px solid var(--guide-line); }

.guide-series-strip a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--guide-orange);
  content: "";
  opacity: 0;
  transform: scaleX(.35);
  transition: opacity .2s ease, transform .2s ease;
}

.guide-series-strip a:hover,
.guide-series-strip a[aria-current="page"] { background: var(--guide-paper); }

.guide-series-strip a:hover::after,
.guide-series-strip a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.guide-series-strip span,
.guide-next-step span {
  color: var(--guide-orange);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.guide-series-strip strong {
  font-size: .92rem;
  line-height: 1.3;
}

.guide-next-step {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 8px 0 72px;
  border-top: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
}

.guide-next-step a {
  display: grid;
  gap: 8px;
  min-height: 138px;
  padding: 32px;
  color: var(--guide-ink);
  text-decoration: none;
  transition: background-color .2s ease;
}

.guide-next-step a + a {
  border-left: 1px solid var(--guide-line);
  text-align: right;
}

.guide-next-step a:hover { background: var(--guide-paper); }

.guide-next-step strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  line-height: 1.08;
}

/* Guide library */
.guide-index-hero .button {
  align-self: flex-start;
  margin-top: 30px;
}

.guide-index-start {
  padding: 78px 0;
  border-bottom: 1px solid var(--guide-line);
  background: var(--guide-paper);
}

.guide-index-start .shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 24px 80px;
  align-items: end;
}

.guide-index-start .guide-kicker { grid-column: 1 / -1; }

.guide-index-start h2 {
  max-width: 780px;
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3rem, 6.5vw, 6.4rem);
  font-weight: 550;
  letter-spacing: -.065em;
  line-height: .9;
}

.guide-index-start p:not(.guide-kicker) {
  max-width: 620px;
  margin: 0 0 20px;
  color: var(--guide-muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.guide-text-link {
  color: var(--guide-ink);
  font-weight: 800;
  text-underline-offset: 5px;
}

.guide-index-grid { display: grid; gap: 96px; }

.guide-index-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  gap: clamp(42px, 7vw, 110px);
  align-items: center;
  padding-bottom: 96px;
  border-bottom: 1px solid var(--guide-line);
}

.guide-index-card:nth-child(even) .guide-index-image { order: 2; }

.guide-index-card h2 {
  max-width: 680px;
  margin: 10px 0 22px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3.2rem, 6vw, 6.5rem);
  font-weight: 540;
  letter-spacing: -.065em;
  line-height: .88;
}

.guide-index-card h2 a { color: inherit; text-decoration: none; }

.guide-index-card > div > p:not(.guide-kicker) {
  color: var(--guide-muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.guide-index-card ul {
  display: grid;
  gap: 11px;
  margin: 25px 0 0;
  padding: 0;
  list-style: none;
}

.guide-index-card li {
  position: relative;
  padding-left: 22px;
  color: var(--guide-muted);
}

.guide-index-card li::before {
  position: absolute;
  top: .55em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--guide-orange);
  content: "";
}

.guide-index-proof {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  margin-top: 64px;
  padding: 30px 0;
  border-bottom: 1px solid var(--guide-line);
}

.guide-index-proof p {
  max-width: 900px;
  margin: 0;
  color: var(--guide-muted);
  line-height: 1.65;
}

.guide-index-proof a {
  color: var(--guide-ink);
  font-weight: 800;
  text-underline-offset: 5px;
}

/* Start-here route */
.guide-start-main { padding-top: 76px; }

.guide-start-hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 76px);
  overflow: hidden;
  background: var(--guide-ink);
  color: #fff;
}

.guide-start-hero-images,
.guide-start-hero-scrim { position: absolute; inset: 0; }

.guide-start-hero-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.guide-start-hero-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.75);
  animation: guide-image-settle 1.4s cubic-bezier(.2,.7,.2,1) both;
}

.guide-start-hero-images img:nth-child(2) { animation-delay: .12s; }
.guide-start-hero-images img:nth-child(3) { animation-delay: .24s; }

.guide-start-hero-scrim {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(9,10,12,.97) 0%, rgba(9,10,12,.84) 34%, rgba(9,10,12,.35) 72%, rgba(9,10,12,.15) 100%),
    linear-gradient(180deg, rgba(9,10,12,.08) 30%, rgba(9,10,12,.65) 100%);
}

.guide-start-hero .shell {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: flex-end;
  width: 100%;
  padding-block: clamp(72px, 10vh, 130px);
}

.guide-start-hero h1 {
  max-width: 860px;
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(5.4rem, 12vw, 11.8rem);
  font-weight: 520;
  letter-spacing: -.08em;
  line-height: .76;
}

.guide-start-hero p:not(.guide-imprint) {
  max-width: 650px;
  margin: 36px 0 30px;
  color: rgba(255,255,255,.78);
  font-size: 1.06rem;
  line-height: 1.65;
}

.guide-start-chooser { padding: 120px 0; }

.guide-start-heading {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 70px;
}

.guide-start-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3.2rem, 7vw, 7.2rem);
  font-weight: 540;
  letter-spacing: -.07em;
  line-height: .88;
}

.guide-choice-list { border-top: 1px solid var(--guide-line); }

.guide-choice-list article {
  display: grid;
  grid-template-columns: minmax(190px, .55fr) minmax(360px, 1fr) minmax(280px, .8fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--guide-line);
}

.guide-choice-list article > div:first-child { align-self: start; }

.guide-choice-list article > div:first-child span {
  display: block;
  margin-bottom: 24px;
  color: var(--guide-orange);
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
}

.guide-choice-list article > div:first-child p {
  max-width: 240px;
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.4;
}

.guide-choice-list h3 {
  margin: 0 0 18px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.2rem, 4.2vw, 4.5rem);
  font-weight: 540;
  letter-spacing: -.06em;
  line-height: .94;
}

.guide-choice-list article > div:nth-child(2) > p {
  color: var(--guide-muted);
  line-height: 1.68;
}

.guide-choice-list ul {
  display: grid;
  gap: 8px;
  margin: 22px 0 28px;
  padding: 0;
  color: var(--guide-muted);
  list-style: none;
}

.guide-choice-list li::before {
  margin-right: 10px;
  color: var(--guide-orange);
  content: "—";
}

.guide-choice-image {
  display: block;
  aspect-ratio: 1.24;
  overflow: hidden;
  background: var(--guide-surface);
}

.guide-choice-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.2,.7,.2,1), filter .4s ease;
}

.guide-choice-image:hover img { filter: saturate(1.08); transform: scale(1.035); }

.guide-short-path {
  padding: 96px 0;
  background: var(--guide-ink);
  color: #fff;
}

.guide-short-path .shell {
  display: grid;
  grid-template-columns: minmax(300px, .85fr) minmax(0, 1.15fr);
  gap: 80px;
}

.guide-short-path h2,
.guide-start-sequence h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3rem, 6.5vw, 6.6rem);
  font-weight: 540;
  letter-spacing: -.07em;
  line-height: .9;
}

.guide-short-links { border-top: 1px solid rgba(255,255,255,.2); }

.guide-short-links a {
  display: grid;
  gap: 7px;
  padding: 25px 0;
  border-bottom: 1px solid rgba(255,255,255,.2);
  color: #fff;
  text-decoration: none;
}

.guide-short-links span {
  color: var(--guide-orange);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.guide-short-links strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.35rem, 2.8vw, 2.2rem);
}

.guide-start-sequence {
  padding: 120px 0;
  background: var(--guide-paper);
}

.guide-start-sequence h2 { max-width: 1050px; }

.guide-start-sequence ol {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 70px 0 48px;
  padding: 0;
  border-top: 1px solid var(--guide-line);
  border-bottom: 1px solid var(--guide-line);
  list-style: none;
}

.guide-start-sequence li {
  display: grid;
  align-content: start;
  min-height: 260px;
  padding: 30px 24px;
  border-right: 1px solid var(--guide-line);
}

.guide-start-sequence li:last-child { border-right: 0; }

.guide-start-sequence li span {
  color: var(--guide-orange);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
}

.guide-start-sequence li strong {
  margin: 40px 0 12px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.45rem;
}

.guide-start-sequence li p {
  margin: 0;
  color: var(--guide-muted);
  font-size: .88rem;
  line-height: 1.6;
}

@keyframes guide-image-settle {
  from { transform: scale(1.055); }
  to { transform: scale(1.015); }
}

@keyframes guide-copy-enter {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes guide-signal-pulse {
  0%, 100% { opacity: .42; transform: scale(.8); }
  50% { opacity: .92; transform: scale(1); }
}

@media (max-width: 1180px) {
  .guide-hero-inner {
    grid-template-columns: minmax(0, 1fr) 250px;
  }

  .guide-reading-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 54px;
  }

  .guide-chapter-dark {
    --guide-dark-bleed: 28px;
  }

  .guide-context-lens > span {
    left: calc(50% + cos(var(--lens-angle)) * 35%);
  }
}

@media (max-width: 1020px) {
  .guide-desktop-nav {
    display: none;
  }

  .guide-header-cta {
    margin-left: auto;
  }

  .guide-hero-inner {
    grid-template-columns: 1fr;
    align-content: end;
  }

  .guide-hero-copy {
    max-width: 720px;
  }

  .guide-hero-lifecycle {
    display: none;
  }

  .guide-hero-scrim {
    background:
      linear-gradient(90deg, rgba(10,11,13,.96) 0%, rgba(10,11,13,.76) 55%, rgba(10,11,13,.28) 100%),
      linear-gradient(180deg, rgba(10,11,13,.12) 38%, rgba(10,11,13,.82) 100%);
  }

  .guide-reader-strip ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-reading-layout {
    display: block;
    padding-top: 64px;
  }

  .guide-toc {
    position: relative;
    top: auto;
    max-height: none;
    margin-bottom: 70px;
    padding: 0;
  }

  .guide-toc nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 24px;
  }

  .guide-toc-download {
    margin-top: 24px;
  }

  .guide-category-contrast,
  .guide-requirement-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-continuity-rail,
  .guide-compounding-loop {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-index-feature {
    grid-template-columns: 1fr;
  }

  .guide-index-image {
    aspect-ratio: 1.5;
  }

  .guide-index-start .shell,
  .guide-index-card,
  .guide-short-path .shell {
    grid-template-columns: 1fr;
  }

  .guide-index-card:nth-child(even) .guide-index-image {
    order: 0;
  }

  .guide-start-heading {
    grid-template-columns: 1fr;
  }

  .guide-choice-list article {
    grid-template-columns: minmax(150px, .45fr) minmax(0, 1fr);
  }

  .guide-choice-image {
    grid-column: 1 / -1;
    aspect-ratio: 2.1;
  }

  .guide-start-sequence ol {
    grid-template-columns: repeat(3, 1fr);
  }

  .guide-start-sequence li:nth-child(3) {
    border-right: 0;
  }

  .guide-start-sequence li:nth-child(n+4) {
    border-top: 1px solid var(--guide-line);
  }
}

@media (max-width: 760px) {
  .guide-page main {
    padding-top: 62px;
  }

  .guide-index-main {
    padding-top: 62px;
  }

  .guide-start-main {
    padding-top: 62px;
  }

  .guide-site-header {
    height: 62px;
  }

  .guide-site-header .brand {
    gap: 9px;
    font-size: .78rem;
  }

  .guide-site-header .brand img {
    width: 34px;
    height: 27px;
  }

  .guide-header-cta {
    display: none;
  }

  .guide-mobile-menu {
    position: relative;
    display: block;
    margin-left: auto;
  }

  .guide-mobile-menu summary {
    list-style: none;
    font-weight: 800;
    cursor: pointer;
  }

  .guide-mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .guide-mobile-menu nav {
    position: fixed;
    inset: 62px 0 auto;
    display: grid;
    padding: 16px 24px 24px;
    border-top: 1px solid var(--guide-line);
    border-bottom: 1px solid var(--guide-line);
    background: rgba(251,251,253,.98);
    box-shadow: 0 18px 30px rgba(0,0,0,.08);
  }

  .guide-mobile-menu nav a {
    padding: 13px 0;
    border-bottom: 1px solid var(--guide-line);
    text-decoration: none;
  }

  .guide-hero,
  .guide-hero-inner {
    min-height: calc(100svh - 62px);
  }

  .guide-hero-image {
    object-position: 58% center;
  }

  .guide-hero-scrim {
    background:
      linear-gradient(90deg, rgba(10,11,13,.9) 0%, rgba(10,11,13,.68) 100%),
      linear-gradient(180deg, rgba(10,11,13,.14) 20%, rgba(10,11,13,.92) 78%);
  }

  .guide-context-thread {
    opacity: .45;
  }

  .guide-context-thread::before {
    right: -28vw;
    width: 95vw;
  }

  .guide-hero-inner {
    padding-block: 72px 34px;
  }

  .guide-imprint {
    margin-bottom: 22px;
    font-size: .62rem;
  }

  .guide-hero h1 {
    font-size: clamp(3.8rem, 18vw, 5.7rem);
  }

  .guide-deck {
    margin-top: 24px;
    font-size: .99rem;
    line-height: 1.56;
  }

  .guide-hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 290px;
  }

  .guide-hero-actions .button {
    justify-content: center;
  }

  .guide-edition {
    line-height: 1.55;
  }

  .guide-utility-inner {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-block: 28px;
  }

  .guide-share-actions {
    justify-content: flex-start;
  }

  .guide-reader-strip {
    padding: 46px 0;
  }

  .guide-reader-strip ul {
    grid-template-columns: 1fr;
  }

  .guide-reader-strip li {
    min-height: 104px;
  }

  .guide-series-strip {
    overflow-x: auto;
  }

  .guide-series-strip .shell {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    width: max-content;
    min-width: 100%;
  }

  .guide-series-strip a {
    min-height: 96px;
    padding: 22px;
  }

  .guide-reading-layout {
    padding-block: 52px 74px;
  }

  .guide-toc {
    margin-bottom: 42px;
  }

  .guide-toc nav {
    grid-template-columns: 1fr;
  }

  .guide-chapter {
    padding: 28px 0 82px;
  }

  .guide-chapter + .guide-chapter {
    padding-top: 82px;
  }

  .guide-chapter-heading {
    margin-bottom: 38px;
  }

  .guide-chapter-heading h2 {
    font-size: clamp(2.8rem, 14vw, 4.4rem);
  }

  .guide-lead {
    margin-top: 22px;
    font-size: 1.04rem;
  }

  .guide-prose p {
    font-size: 1rem;
    line-height: 1.76;
  }

  .guide-prose blockquote,
  .guide-chapter > blockquote {
    margin: 42px 0;
    padding-left: 20px;
    font-size: clamp(1.85rem, 9vw, 3rem);
  }

  .guide-context-lens {
    aspect-ratio: .92;
  }

  .guide-context-lens::before { width: 96%; }
  .guide-context-lens::after { width: 62%; }

  .guide-context-lens > span {
    left: calc(50% + cos(var(--lens-angle)) * 38%);
    top: calc(50% + sin(var(--lens-angle)) * 39%);
    width: 78px;
    height: 34px;
    font-size: .56rem;
  }

  .guide-context-lens-core {
    width: 118px;
  }

  .guide-context-lens-core img {
    width: 44px;
  }

  .guide-comparison {
    overflow-x: auto;
  }

  .guide-comparison > div {
    min-width: 680px;
  }

  .guide-chapter-dark {
    --guide-dark-bleed: 16px;
  }

  .guide-category-contrast,
  .guide-requirement-grid,
  .guide-context-slices {
    grid-template-columns: 1fr;
  }

  .guide-category-contrast > div,
  .guide-requirement-grid article,
  .guide-context-slices article {
    min-height: 210px;
  }

  .guide-continuity-rail,
  .guide-compounding-loop {
    grid-template-columns: 1fr;
  }

  .guide-continuity-rail li,
  .guide-compounding-loop li {
    min-height: 218px;
  }

  .guide-runtime-path li {
    grid-template-columns: 44px 1fr;
    gap: 14px;
  }

  .guide-care-frame {
    grid-template-columns: 1fr;
  }

  .guide-care-core {
    min-height: 250px;
    border-top: 1px solid rgba(255,255,255,.18);
    border-left: 0;
  }

  .guide-responsibility-map > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .guide-canvas-header {
    grid-template-columns: 1fr;
  }

  .guide-canvas-rows label {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .guide-download-band {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-bottom: 84px;
    padding: 32px 24px;
  }

  .guide-boundary-columns {
    grid-template-columns: 1fr;
  }

  .guide-company-facts > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .guide-colophon {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-final-cta {
    min-height: 620px;
    padding: 28px;
  }

  .guide-final-cta::after {
    background: linear-gradient(180deg, rgba(12,13,15,.16) 0%, rgba(12,13,15,.94) 70%);
  }

  .guide-final-cta > img {
    object-position: 66% center;
  }

  .guide-final-cta h2 {
    font-size: clamp(2.7rem, 12vw, 4.3rem);
  }

  .guide-final-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .guide-next-step {
    grid-template-columns: 1fr;
  }

  .guide-next-step a + a {
    border-top: 1px solid var(--guide-line);
    border-left: 0;
    text-align: left;
  }

  .guide-index-hero {
    min-height: 620px;
  }

  .guide-index-hero > img {
    object-position: 62% center;
  }

  .guide-index-hero-scrim {
    background: linear-gradient(180deg, rgba(10,11,13,.18) 0%, rgba(10,11,13,.92) 70%);
  }

  .guide-index-hero .shell {
    padding-block: 64px;
  }

  .guide-index-hero h1 {
    font-size: clamp(3.7rem, 17vw, 5.5rem);
  }

  .guide-index-hero p:not(.guide-imprint) {
    font-size: 1rem;
  }

  .guide-index-list {
    padding: 72px 0 94px;
  }

  .guide-index-image {
    aspect-ratio: 1.08;
  }

  .guide-index-feature h2 {
    font-size: clamp(3.1rem, 14vw, 4.8rem);
  }

  .guide-index-start {
    padding: 64px 0;
  }

  .guide-index-start h2,
  .guide-index-card h2 {
    font-size: clamp(3.1rem, 14vw, 4.8rem);
  }

  .guide-index-card {
    gap: 32px;
    padding-bottom: 70px;
  }

  .guide-index-grid {
    gap: 70px;
  }

  .guide-index-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .guide-index-actions .button-primary {
    grid-column: 1 / -1;
  }

  .guide-index-actions .button-quiet {
    grid-column: 1;
  }

  .guide-index-actions .guide-markdown-pill {
    grid-column: 2;
  }

  .guide-index-proof {
    grid-template-columns: 1fr;
  }

  .guide-start-hero {
    min-height: calc(100svh - 62px);
  }

  .guide-start-hero-images {
    grid-template-columns: 1fr;
  }

  .guide-start-hero-images img:not(:first-child) {
    display: none;
  }

  .guide-start-hero-scrim {
    background: linear-gradient(180deg, rgba(9,10,12,.35) 0%, rgba(9,10,12,.96) 76%);
  }

  .guide-start-hero h1 {
    font-size: clamp(4.8rem, 23vw, 7rem);
  }

  .guide-start-chooser,
  .guide-start-sequence {
    padding: 82px 0;
  }

  .guide-choice-list article {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .guide-choice-list article > div:first-child p {
    max-width: 100%;
  }

  .guide-choice-image {
    grid-column: auto;
    aspect-ratio: 1.45;
  }

  .guide-short-path {
    padding: 76px 0;
  }

  .guide-short-path .shell {
    gap: 50px;
  }

  .guide-start-sequence ol {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }

  .guide-start-sequence li,
  .guide-start-sequence li:nth-child(3) {
    min-height: 0;
    border-top: 1px solid var(--guide-line);
    border-right: 0;
  }

  .guide-start-sequence li:first-child {
    border-top: 0;
  }

  .guide-start-sequence li strong {
    margin-top: 24px;
  }
}

@media (max-width: 390px) {
  .guide-hero h1 {
    font-size: 3.65rem;
  }

  .guide-context-lens > span {
    width: 70px;
    font-size: .52rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .guide-hero-image,
  .guide-hero-copy,
  .guide-hero-lifecycle,
  .guide-start-hero-images img,
  .guide-context-thread span {
    animation: none;
  }

  .guide-canvas-meter span {
    transition: none;
  }
}

@media print {
  .guide-site-header,
  .guide-utility,
  .guide-reader-strip,
  .guide-series-strip,
  .guide-toc,
  .guide-download-band,
  .guide-next-step,
  .guide-final-cta,
  .site-footer,
  .guide-canvas-actions {
    display: none !important;
  }

  .guide-page main {
    padding-top: 0;
  }

  .guide-hero {
    min-height: 265mm;
    break-after: page;
  }

  .guide-reading-layout {
    display: block;
    width: auto;
    padding: 0;
  }

  .guide-chapter,
  .guide-chapter + .guide-chapter {
    padding: 18mm 0;
    break-before: page;
  }

  .guide-chapter-dark {
    --guide-dark-bleed: 0px;
    margin-left: 0;
    margin-right: 0;
    padding-inline: 12mm;
    color: #fff !important;
    print-color-adjust: exact;
  }

  .guide-canvas-rows select {
    appearance: none;
  }
}