:root {
  --tutorial-route-width: 720px;
  --tutorial-step-rail: 86px;
  --tutorial-platform-gap: 16px;
}

.guide-hero {
  position: relative;
  padding-top: clamp(72px, 9vw, 118px);
  padding-bottom: clamp(54px, 7vw, 88px);
  overflow-x: clip;
  border-bottom: 1px solid var(--color-line);
  text-align: center;
}

.guide-hero-glow {
  position: absolute;
  top: -48%;
  left: 50%;
  width: min(1120px, 120vw);
  height: 620px;
  border-radius: var(--radius-pill);
  background: linear-gradient(118deg, var(--color-glow-warm), var(--color-glow-cool));
  filter: blur(64px);
  opacity: .78;
  transform: translateX(-50%) rotate(-4deg);
  pointer-events: none;
}

.guide-hero-inner {
  position: relative;
  z-index: 1;
}

.guide-hero .eyebrow {
  margin-top: 24px;
}

.guide-hero h1 {
  margin-bottom: 20px;
}

.guide-hero .lead {
  margin-inline: auto;
}

.guide-route {
  width: min(100%, var(--tutorial-route-width));
  margin: 34px auto 0;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.guide-route span {
  flex: 0 1 auto;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.guide-route i {
  width: 28px;
  height: 1px;
  flex: 1 1 28px;
  background: var(--color-accent);
  opacity: .55;
}

.guide-body {
  padding-top: 28px;
  padding-bottom: var(--section-space);
}

.guide-body .toc-tabs {
  margin-bottom: 38px;
}

.guide-notice {
  margin-bottom: 48px;
}

.guide-step {
  position: relative;
  display: grid;
  grid-template-columns: var(--tutorial-step-rail) minmax(0, 1fr);
  column-gap: 28px;
  padding-top: clamp(42px, 6vw, 72px);
  padding-bottom: clamp(42px, 6vw, 72px);
  border-top: 1px solid var(--color-line);
}

.guide-step::before {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border: 3px double var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-accent);
  content: attr(data-step);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
  transform: rotate(-5deg);
}

.guide-step::after {
  position: absolute;
  top: 114px;
  bottom: 0;
  left: 32px;
  width: 1px;
  background: var(--color-line);
  content: "";
}

.guide-step:last-of-type::after {
  display: none;
}

.guide-step-head,
.guide-copy {
  grid-column: 2;
}

.guide-step-head {
  align-self: start;
}

.guide-step-label {
  margin-bottom: 7px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
}

.guide-step h2 {
  margin-bottom: 24px;
}

.guide-copy {
  min-width: 0;
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.85;
}

.guide-copy p {
  margin-bottom: 18px;
}

.guide-copy strong {
  color: var(--color-text);
}

.guide-copy pre {
  margin: 24px 0;
  border: 1px solid var(--color-dark-muted);
  box-shadow: var(--shadow-panel);
}

.guide-action {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.platform-instructions {
  margin: 30px 0;
  display: grid;
  gap: var(--tutorial-platform-gap);
}

.platform-instruction {
  min-width: 0;
  padding: clamp(22px, 4vw, 32px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.platform-instruction-head {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 13px;
}

.platform-instruction-head h3 {
  margin-bottom: 0;
  font-size: 21px;
}

.platform-letter {
  width: 38px;
  height: 38px;
  display: inline-grid;
  flex-shrink: 0;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-xs);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-weight: 850;
}

.platform-instruction p:last-child {
  margin-bottom: 0;
}

.guide-copy .callout {
  margin-top: 28px;
  margin-bottom: 28px;
  color: var(--color-text);
}

.guide-finish {
  margin-top: 20px;
  padding: clamp(28px, 5vw, 46px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-raised);
}

.guide-finish h2 {
  margin-bottom: 12px;
  font-size: clamp(27px, 4vw, 38px);
}

.guide-finish p {
  color: var(--color-text-muted);
}

.guide-finish .eyebrow {
  margin-bottom: 8px;
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .guide-hero-glow {
    top: -28%;
    width: 145vw;
    height: 500px;
    filter: blur(48px);
  }

  .guide-route {
    max-width: 440px;
    flex-wrap: wrap;
    border-radius: var(--radius-md);
  }

  .guide-route i {
    flex: 0 0 18px;
  }

  .guide-step {
    grid-template-columns: 52px minmax(0, 1fr);
    column-gap: 14px;
  }

  .guide-step::before {
    width: 46px;
    height: 46px;
    border-width: 2px;
    font-size: 11px;
    transform: none;
  }

  .guide-step::after {
    top: 94px;
    left: 22px;
  }

  .guide-step-head,
  .guide-copy {
    grid-column: 2;
  }

  .guide-copy {
    font-size: 15px;
  }
}

@media (max-width: 640px) {
  .guide-hero {
    padding-top: 58px;
  }

  .guide-route {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
    padding: 12px 8px;
  }

  .guide-route span {
    min-width: 0;
    overflow-wrap: anywhere;
    white-space: normal;
  }

  .guide-route i {
    display: none;
  }

  .guide-step {
    display: block;
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .guide-step::before {
    margin-bottom: 18px;
  }

  .guide-step::after {
    display: none;
  }

  .guide-action {
    align-items: stretch;
    flex-direction: column;
  }

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

@media (prefers-reduced-motion: reduce) {
  .guide-step::before {
    transform: none;
  }
}