.tutorial-hero {
  position: relative;
  overflow-x: clip;
  padding-top: clamp(54px, 7vw, 92px);
  padding-bottom: clamp(64px, 8vw, 112px);
  background:
    radial-gradient(circle at 18% 30%, var(--color-accent-soft), transparent 32%),
    radial-gradient(circle at 86% 72%, var(--color-info-soft), transparent 24%),
    var(--color-bg);
}

.tutorial-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 38px 38px;
  content: "";
  mask-image: linear-gradient(to bottom, var(--color-text), transparent 78%);
  pointer-events: none;
}

.tutorial-hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: clamp(44px, 7vw, 96px);
}

.tutorial-hero-copy {
  max-width: 760px;
}

.tutorial-hero-copy h1 {
  margin-top: 20px;
}

.tutorial-lead {
  max-width: 700px;
  margin-bottom: 28px;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.85;
}

.tutorial-facts {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.tutorial-map {
  position: relative;
  padding: 30px;
  overflow: clip;
  border-radius: var(--radius-window);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.tutorial-map::after {
  position: absolute;
  right: -54px;
  bottom: -62px;
  width: 160px;
  height: 160px;
  border-radius: var(--radius-pill);
  background: var(--color-warning-soft);
  content: "";
}

.tutorial-map-label {
  position: relative;
  z-index: 1;
  margin-bottom: 22px;
  color: var(--color-accent-dark);
  font: 720 12px var(--font-mono);
  letter-spacing: 0.08em;
}

.tutorial-map ol {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.tutorial-map li {
  min-height: 64px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: var(--radius-medium);
  background: var(--color-panel-soft);
}

.tutorial-map-marker {
  width: 36px;
  height: 36px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-pill);
  color: var(--color-panel);
  background: var(--color-accent);
  font: 750 12px var(--font-mono);
}

.tutorial-map strong,
.tutorial-map small {
  display: block;
}

.tutorial-map strong {
  font-size: 14px;
}

.tutorial-map small {
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 11px;
}

.tutorial-flow {
  padding-bottom: clamp(84px, 10vw, 140px);
}

.tutorial-opening-note {
  max-width: 920px;
  margin: 42px auto 70px;
}

.tutorial-document {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
}

.guide-step {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 24px;
}

.guide-step + .guide-step {
  margin-top: 24px;
}

.guide-step-side {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.guide-step-index {
  width: 50px;
  height: 50px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-pill);
  color: var(--color-panel);
  background: var(--color-text);
  box-shadow: var(--shadow-button);
  font: 760 14px var(--font-mono);
}

.guide-step-line {
  width: 2px;
  min-height: 100px;
  flex: 1 1 auto;
  margin-top: 12px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-border));
}

.guide-step-content {
  padding: clamp(28px, 5vw, 54px);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.guide-step-content h2 {
  max-width: 760px;
}

.guide-step-content > p,
.guide-step-content > pre,
.guide-step-content > .callout {
  max-width: 820px;
}

.step-action {
  margin-top: 30px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  border-top: 1px solid var(--color-border);
}

.step-action p {
  flex: 1 1 320px;
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.prose a.button-primary {
  color: var(--color-panel);
  text-decoration: none;
}

.prose a.button-secondary {
  color: var(--color-text);
  text-decoration: none;
}

.prose a.button-quiet {
  text-decoration: none;
}

.platform-instructions {
  margin-top: 32px;
  display: grid;
  gap: 18px;
}

.platform-instruction {
  padding: 24px;
  border-radius: var(--radius-medium);
  background: var(--color-panel-soft);
}

.platform-instruction-head {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}

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

.platform-letter {
  width: 40px;
  height: 40px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-small);
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
  font: 760 13px var(--font-mono);
}

.platform-instruction p {
  color: var(--color-muted);
}

.completion-panel {
  margin-top: 36px;
  padding: clamp(24px, 4vw, 36px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-radius: var(--radius-large);
  background: var(--color-success-soft);
}

.completion-panel h3 {
  margin: 16px 0 8px;
  font-size: 24px;
}

.completion-panel p {
  max-width: 610px;
  color: var(--color-muted);
}

.completion-panel .button {
  flex: 0 0 auto;
}

@media (max-width: 960px) {
  .tutorial-hero-shell {
    grid-template-columns: 1fr;
  }

  .tutorial-map {
    width: min(100%, 680px);
  }
}

@media (max-width: 768px) {
  .tutorial-hero {
    padding-top: 42px;
  }

  .tutorial-lead {
    font-size: 16px;
  }

  .tutorial-opening-note {
    margin-top: 34px;
    margin-bottom: 52px;
  }

  .guide-step {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 12px;
  }

  .guide-step-index {
    width: 42px;
    height: 42px;
  }

  .guide-step-content {
    padding: 24px;
  }

  .completion-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .completion-panel .button {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .tutorial-map {
    padding: 22px;
  }

  .tutorial-map li {
    min-height: 58px;
  }

  .tutorial-facts {
    align-items: stretch;
    flex-direction: column;
  }

  .tutorial-facts .badge {
    width: 100%;
    justify-content: center;
  }

  .guide-step {
    display: block;
  }

  .guide-step-side {
    margin-bottom: 12px;
    align-items: flex-start;
  }

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

  .guide-step-content {
    padding: 22px;
  }

  .platform-instruction {
    padding: 20px;
  }

  .platform-instruction-head {
    align-items: flex-start;
  }

  .platform-instruction-head h3 {
    font-size: 19px;
  }

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

  .step-action .button {
    width: 100%;
  }
}