.e85-guide .page-head {
  padding-bottom: 54px;
}

.e85-guide .page-head > p {
  max-width: 760px;
  font-size: 15px;
  line-height: 1.7;
}

.e85-hero {
  position: relative;
  margin: 34px 0 0;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--white);
}

.e85-hero img {
  display: block;
  width: 100%;
  height: auto;
}

.e85-hero figcaption,
.e85-gallery figcaption,
.e85-step > figure figcaption {
  padding: 12px 16px;
  color: var(--muted);
  font: 700 10px/1.5 var(--font-mono, var(--mono));
  letter-spacing: .06em;
  text-transform: uppercase;
}

.e85-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: clamp(40px, 7vw, 90px);
  align-items: start;
  padding: 76px 0;
}

.e85-intro-copy > small,
.e85-section-title > small {
  color: var(--red);
  font: 700 11px/1.5 var(--font-mono, var(--mono));
  letter-spacing: .07em;
  text-transform: uppercase;
}

.e85-intro h2,
.e85-section-title h2 {
  margin: 14px 0 20px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: -.045em;
}

.e85-intro-copy p,
.e85-section-title p {
  max-width: 690px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.e85-intro-copy p + p {
  margin-top: 16px;
}

.e85-build-data {
  margin: 0;
  border-top: 1px solid var(--ink);
}

.e85-build-data div {
  display: grid;
  grid-template-columns: 125px minmax(0, 1fr);
  gap: 22px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.e85-build-data dt {
  color: var(--red);
  font: 700 10px/1.5 var(--font-mono, var(--mono));
  text-transform: uppercase;
}

.e85-build-data dd {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}

.e85-critical {
  display: grid;
  grid-template-columns: 150px minmax(280px, .8fr) minmax(320px, 1fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
  margin: 0 0 76px;
  padding: clamp(30px, 5vw, 54px);
  border-left: 3px solid var(--red-on-dark);
  background: var(--ink);
  color: var(--white);
}

.e85-critical small {
  color: var(--red-on-dark);
  font: 700 11px/1.5 var(--font-mono, var(--mono));
  letter-spacing: .07em;
  text-transform: uppercase;
}

.e85-critical h2 {
  margin: 0;
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.08;
}

.e85-critical p {
  margin: 0;
  color: #c5c7c2;
  line-height: 1.75;
}

.e85-parts {
  scroll-margin-top: 100px;
  padding-bottom: 84px;
}

.e85-parts-table {
  border-top: 1px solid var(--ink);
}

.e85-parts-table > div {
  display: grid;
  grid-template-columns: minmax(130px, .72fr) minmax(170px, .9fr) minmax(260px, 1.5fr) minmax(120px, .75fr);
  gap: 24px;
  align-items: center;
  min-height: 78px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
}

.e85-parts-table > div:not(.e85-parts-head):hover {
  background: var(--white);
}

.e85-parts-head {
  min-height: 48px !important;
  color: var(--muted);
  font: 700 10px/1.5 var(--font-mono, var(--mono));
  letter-spacing: .06em;
  text-transform: uppercase;
}

.e85-parts-table strong {
  font-size: 13px;
}

.e85-parts-table code {
  color: var(--red);
  font: 700 12px/1.5 var(--font-mono, var(--mono));
}

.e85-parts-table span,
.e85-parts-table small {
  color: var(--muted);
  line-height: 1.55;
}

.e85-parts-table span {
  font-size: 13px;
}

.e85-parts-table small {
  font: 700 10px/1.5 var(--font-mono, var(--mono));
  text-transform: uppercase;
}

.e85-install {
  border-top: 1px solid var(--ink);
  scroll-margin-top: 100px;
}

.e85-section-title {
  display: grid;
  grid-template-columns: minmax(130px, .32fr) minmax(260px, .75fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: start;
  padding: 74px 0 58px;
}

.e85-section-title h2 {
  margin: 0;
}

.e85-step {
  display: grid;
  grid-template-columns: minmax(360px, .92fr) minmax(0, 1.08fr);
  gap: clamp(34px, 6vw, 82px);
  align-items: start;
  padding: clamp(52px, 7vw, 88px) 0;
  border-top: 1px solid var(--line);
}

.e85-step > header {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.e85-step > header > span,
.e85-step > header small {
  color: var(--red);
  font: 700 11px/1.5 var(--font-mono, var(--mono));
  letter-spacing: .06em;
  text-transform: uppercase;
}

.e85-step h2 {
  margin: 8px 0 16px;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.e85-step p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.e85-step .e85-note {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 2px solid var(--red);
  background: #edede8;
  color: #555752;
  font-size: 12px;
}

.e85-video-link {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin-top: 20px;
  padding: 8px 0 5px;
  border-bottom: 1px solid var(--red);
  color: var(--ink);
  font: 700 10px/1.5 var(--font-mono, var(--mono));
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: color .2s ease, border-color .2s ease;
}

.e85-video-link::before {
  content: "▶";
  display: grid;
  width: 28px;
  height: 20px;
  place-items: center;
  border-radius: 6px;
  background: var(--red);
  color: var(--white);
  font-size: 8px;
  line-height: 1;
  transition: transform .2s ease, background-color .2s ease;
}

.e85-video-link:hover,
.e85-video-link:focus-visible {
  border-color: var(--ink);
  color: var(--red);
}

.e85-video-link:hover::before,
.e85-video-link:focus-visible::before {
  transform: translateY(-1px) scale(1.06);
  background: var(--ink);
}

.e85-step figure {
  width: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  background: var(--white);
  box-shadow: 0 18px 44px #16171612;
}

.e85-step figure a {
  display: block;
  cursor: zoom-in;
}

.e85-step figure img {
  display: block;
  width: 100%;
  height: min(460px, 45vw);
  object-fit: contain;
  background: var(--white);
}

.e85-gallery {
  display: grid;
  gap: 12px;
}

.e85-gallery-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.e85-gallery-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.e85-gallery figure img {
  height: 320px;
}

.e85-wide-media img {
  height: auto !important;
  aspect-ratio: 16 / 9;
}

.e85-step-final {
  grid-template-columns: minmax(0, 1fr) !important;
  padding: clamp(44px, 6vw, 72px);
  background: var(--ink);
  color: var(--white);
}

.e85-step-final > header {
  max-width: 940px;
}

.e85-step-final p {
  color: #c5c7c2;
}

.e85-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-left: 58px;
}

.e85-step-final .action-button {
  border-color: #51534f;
  color: var(--white);
}

.e85-step-final .action-button.primary {
  border-color: var(--red-on-dark);
  background: var(--red-on-dark);
}

.e85-faq {
  padding: 86px 0 26px;
}

.e85-faq .faq-list {
  margin-top: 0;
}

.e85-guide .reference-box a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-underline-offset: 4px;
}

.e85-guide .tutorial-safety .warning,
.e85-guide .tutorial-safety .reference-box {
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 24px 26px;
  border-left-width: 3px;
  background: var(--white);
}

.e85-guide .tutorial-safety .warning {
  margin: 45px 0 18px;
}

.e85-guide .tutorial-safety .reference-box {
  margin: 0 0 28px;
}

.e85-guide .tutorial-safety .warning b,
.e85-guide .tutorial-safety .reference-box > strong {
  padding-top: 1px;
  line-height: 1.6;
}

.e85-guide .tutorial-safety .warning p,
.e85-guide .tutorial-safety .reference-box p {
  font-size: 13px;
  line-height: 1.65;
}

.e85-guide .tutorial-jump {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.e85-guide .tutorial-jump a {
  position: relative;
}

.e85-guide .tutorial-jump a.is-active {
  background: #fbfaf7;
  color: var(--red);
}

.e85-guide .tutorial-jump a.is-active::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: -1px;
  left: 18px;
  height: 2px;
  background: var(--red);
}

@media (min-width: 901px) {
  .e85-guide .tutorial-head.has-docked-jump {
    padding-bottom: 142px;
  }

  .e85-guide .tutorial-jump.is-docked {
    position: fixed;
    top: 72px;
    left: 50%;
    z-index: 16;
    width: min(calc(100vw - 8vw), 1132px);
    margin: 0;
    box-shadow: 0 10px 26px rgba(22, 23, 22, 0.08);
    transform: translateX(-50%);
  }
}

.e85-part-link {
  color: var(--ink);
  text-decoration: none;
  text-underline-offset: 4px;
}

.e85-part-link:hover,
.e85-part-link:focus-visible {
  color: var(--red);
  text-decoration: underline;
}

.e85-checklist {
  margin-top: 34px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  background: #f4f4f1;
  padding: 30px;
}

.e85-checklist > header,
.e85-manual-checks > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.e85-checklist h3,
.e85-manual-checks h2 {
  margin: 7px 0 8px;
}

.e85-checklist > header p,
.e85-manual-checks > header p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

.e85-checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.e85-checklist fieldset {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 18px;
}

.e85-checklist legend,
.e85-checklist > header small,
.e85-manual-checks > header small,
.e85-manual-grid article > span {
  color: var(--red);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.e85-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 12px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.45;
}

.e85-checklist input {
  width: 16px;
  height: 16px;
  margin: 1px 0 0;
  accent-color: var(--red);
  flex: 0 0 auto;
}

.e85-checklist > footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 22px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.e85-manual-checks {
  padding: 86px 0 72px;
  border-bottom: 1px solid var(--line);
}

.e85-manual-checks > header {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(360px, 1.2fr);
}

.e85-manual-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
  border: 1px solid var(--line);
}

.e85-manual-grid article {
  background: var(--paper);
  padding: 24px;
}

.e85-manual-grid h3 {
  margin: 10px 0 12px;
  font-size: 18px;
}

.e85-manual-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.e85-manual-checks > footer {
  margin-top: 24px;
  border-left: 2px solid var(--red);
  background: #f1f1ee;
  padding: 18px 22px;
}

.e85-manual-checks > footer p {
  margin: 7px 0 0;
  color: var(--muted);
}

.e85-manual-checks a {
  color: var(--ink);
  text-decoration-color: var(--red);
  text-underline-offset: 3px;
}

@media (max-width: 900px) {
  .e85-intro,
  .e85-critical,
  .e85-section-title,
  .e85-step {
    grid-template-columns: 1fr;
  }

  .e85-critical {
    gap: 18px;
  }

  .e85-section-title {
    gap: 18px;
  }

  .e85-section-title p {
    max-width: 720px;
  }

  .e85-parts-head {
    display: none !important;
  }

  .e85-parts-table > div {
    grid-template-columns: 1fr 1fr;
    gap: 10px 18px;
  }

  .e85-parts-table > div span {
    grid-column: 1 / -1;
  }

  .e85-step figure img {
    height: min(540px, 70vw);
  }

  .e85-checklist-grid,
  .e85-manual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .e85-manual-checks > header {
    grid-template-columns: 1fr;
  }

  .e85-guide .tutorial-jump {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .e85-guide .tutorial-jump a {
    grid-column: span 2;
  }

  .e85-guide .tutorial-jump a:nth-child(n + 4) {
    grid-column: span 3;
    border-top: 1px solid var(--line);
  }

  .e85-guide .tutorial-jump a:nth-child(4) {
    border-left: 0;
  }
}

@media (max-width: 620px) {
  .e85-intro {
    padding: 52px 0;
  }

  .e85-build-data div,
  .e85-parts-table > div {
    grid-template-columns: 1fr;
  }

  .e85-parts-table > div span {
    grid-column: auto;
  }

  .e85-gallery-two,
  .e85-gallery-three {
    grid-template-columns: 1fr;
  }

  .e85-step > header {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .e85-step figure img,
  .e85-gallery figure img {
    height: auto;
    max-height: 520px;
  }

  .e85-step-final {
    padding: 30px 22px;
  }

  .e85-final-actions {
    padding-left: 0;
  }

  .e85-final-actions .action-button {
    width: 100%;
  }

  .e85-checklist {
    padding: 22px;
  }

  .e85-checklist > header {
    display: grid;
  }

  .e85-checklist-grid,
  .e85-manual-grid {
    grid-template-columns: 1fr;
  }

  .e85-checklist .action-button {
    width: 100%;
  }

  .e85-guide .tutorial-safety .warning,
  .e85-guide .tutorial-safety .reference-box {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px;
  }

  .e85-guide .tutorial-jump {
    grid-template-columns: 1fr;
  }

  .e85-guide .tutorial-jump a,
  .e85-guide .tutorial-jump a:nth-child(n + 4) {
    grid-column: auto;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .e85-guide .tutorial-jump a:first-child {
    border-top: 0;
  }
}

@media print {
  body.e85-checklist-printing * {
    visibility: hidden !important;
  }

  body.e85-checklist-printing .e85-checklist,
  body.e85-checklist-printing .e85-checklist * {
    visibility: visible !important;
  }

  body.e85-checklist-printing .e85-checklist {
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    margin: 0;
    border: 1px solid #888;
    background: #fff;
    color: #000;
    box-shadow: none;
  }

  body.e85-checklist-printing .e85-checklist-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body.e85-checklist-printing [data-print-e85-checklist] {
    display: none !important;
  }
}