.install-page {
  background:
    linear-gradient(var(--page), var(--page)) padding-box,
    var(--page);
}

.install-main {
  min-height: 70vh;
}

.install-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 44px;
}

.install-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(44% 68% at 18% 0%, rgba(79, 134, 238, 0.11), transparent 72%),
    radial-gradient(34% 56% at 86% 2%, rgba(226, 174, 83, 0.08), transparent 72%);
}

:root[data-theme='dark'] .install-atmosphere {
  background:
    radial-gradient(44% 68% at 18% 0%, rgba(78, 137, 255, 0.14), transparent 72%),
    radial-gradient(34% 56% at 86% 2%, rgba(201, 138, 50, 0.07), transparent 72%);
}

.install-hero__inner {
  position: relative;
  z-index: 1;
}

.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 7px;
  margin-bottom: 45px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 560;
  transition: color 150ms var(--ease);
}

.back-link:hover {
  color: var(--text);
}

.back-link svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.install-hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(2.9rem, 5vw, 4.5rem);
  font-weight: 660;
  line-height: 1.08;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.install-hero h1 span {
  color: var(--accent);
}

.install-lede {
  max-width: 760px;
  margin: 21px 0 0;
  color: var(--muted);
  font-size: 16.3px;
  line-height: 1.82;
  text-wrap: pretty;
}

.install-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 29px;
}

.install-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 44px 0 0;
  padding: 0;
}

.install-summary div {
  display: grid;
  gap: 2px;
  min-width: 150px;
  padding: 0 26px;
  border-left: 1px solid var(--line-strong);
}

.install-summary div:first-child {
  padding-left: 0;
  border-left: 0;
}

.install-summary dt {
  color: var(--faint);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.install-summary dd {
  margin: 0;
  color: var(--text-soft);
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}

.install-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 226px;
  align-items: start;
  gap: 54px;
  padding-bottom: 108px;
}

.install-article {
  min-width: 0;
  padding: 50px 56px 48px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.install-article > section {
  scroll-margin-top: 102px;
}

.install-article > section + section {
  margin-top: 50px;
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.install-article h2 {
  margin: 0 0 17px;
  font-size: 26px;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -0.035em;
}

.install-article p,
.install-article li {
  color: var(--muted);
  font-size: 14.7px;
  line-height: 1.86;
}

.install-article p {
  margin: 0 0 16px;
}

.install-article p:last-child {
  margin-bottom: 0;
}

.install-article code {
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--surface-soft);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.install-article pre {
  overflow-x: auto;
  margin: 18px 0 18px;
  padding: 17px 19px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: #141619;
  color: #e9eef5;
  line-height: 1.7;
}

.install-article pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: 12.5px;
}

.install-callout {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid color-mix(in srgb, var(--tint-amber-ink) 18%, var(--line));
  border-radius: 13px;
  background: var(--tint-amber);
}

.install-callout strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 14px;
  font-weight: 660;
}

.install-callout p {
  margin: 0;
  color: color-mix(in srgb, var(--text) 73%, var(--tint-amber-ink));
  font-size: 13.4px;
}

.hash-panel {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.hash-panel__label {
  color: var(--faint);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.hash-panel code {
  overflow-wrap: anywhere;
  padding: 0;
  background: transparent;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
}

.copy-button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  font-weight: 620;
  transition:
    transform 150ms var(--ease),
    border-color 150ms var(--ease),
    background-color 150ms var(--ease);
}

.copy-button:hover {
  border-color: var(--text);
}

.copy-button:active {
  transform: scale(0.96);
}

.copy-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.copy-status {
  grid-column: 2 / -1;
  min-height: 0;
  color: var(--faint);
  font-size: 11px;
}

.copy-status:empty {
  display: none;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px 28px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.requirements-grid li {
  display: grid;
  align-content: start;
  gap: 4px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.requirements-grid strong {
  color: var(--text);
  font-size: 13.2px;
  font-weight: 660;
}

.requirements-grid span {
  color: var(--muted);
  font-size: 13.2px;
  line-height: 1.72;
}

.first-run-list {
  display: grid;
  gap: 0;
  margin: 25px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: first-run;
}

.first-run-list li {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  counter-increment: first-run;
}

.first-run-list li::before {
  content: counter(first-run, decimal-leading-zero);
  display: inline-grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10.5px;
  font-weight: 720;
  font-variant-numeric: tabular-nums;
}

.first-run-list strong {
  display: block;
  color: var(--text);
  font-size: 14.2px;
  font-weight: 660;
}

.first-run-list p {
  margin: 4px 0 0;
  font-size: 13.4px;
}

.install-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 22px !important;
}

.install-links a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.install-article-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 20px;
  margin-top: 54px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.install-article-footer p {
  margin: 0;
  font-size: 12px;
}

.install-aside {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 18px;
}

.page-toc {
  display: grid;
  gap: 2px;
  padding-left: 15px;
  border-left: 1px solid var(--line);
}

.page-toc strong,
.aside-note__label {
  color: var(--faint);
  font-size: 10.5px;
  font-weight: 680;
  letter-spacing: 0.07em;
}

.page-toc strong {
  margin-bottom: 8px;
}

.page-toc a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--muted);
  font-size: 12.5px;
  transition: color 150ms var(--ease);
}

.page-toc a:hover,
.page-toc a[aria-current='location'] {
  color: var(--accent);
}

.aside-note {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.aside-note p {
  margin: 8px 0 12px;
  color: var(--muted);
  font-size: 12.2px;
  line-height: 1.7;
}

.aside-note a {
  color: var(--accent);
  font-size: 12px;
  font-weight: 620;
}

@media (max-width: 980px) {
  .install-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .install-aside {
    display: none;
  }
}

@media (max-width: 700px) {
  .install-hero {
    padding-top: 40px;
  }

  .back-link {
    margin-bottom: 32px;
  }

  .install-article {
    padding: 34px 24px 36px;
    border-radius: 18px;
  }

  .install-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 0;
    margin-top: 34px;
  }

  .install-summary div {
    min-width: 0;
    padding: 0 18px;
  }

  .install-summary div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .install-layout {
    padding-bottom: 78px;
  }

  .hash-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .hash-panel__label {
    grid-column: 1 / -1;
  }

  .copy-button {
    justify-self: start;
  }

  .copy-status {
    grid-column: 1 / -1;
  }

  .requirements-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .install-actions {
    display: grid;
  }

  .install-actions .button {
    width: 100%;
  }

  .install-article h2 {
    font-size: 23px;
  }

  .install-article p,
  .install-article li {
    font-size: 14.2px;
  }

  .first-run-list li {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 12px;
  }

  .install-article-footer .button {
    width: 100%;
  }
}