.tutorial-hero {
  position: relative;
  background: var(--color-bg);
}

.tutorial-hero::before {
  position: absolute;
  top: 54px;
  right: max(4vw, 28px);
  width: min(34vw, 420px);
  height: 260px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-accent-line) 0 2px,
    var(--color-transparent) 2px 10px
  );
  content: "";
  opacity: 0.42;
  pointer-events: none;
  transform: skewY(-5deg);
  -webkit-mask-image: linear-gradient(
    180deg,
    var(--color-transparent),
    var(--color-text) 24%,
    var(--color-text) 76%,
    var(--color-transparent)
  );
  mask-image: linear-gradient(
    180deg,
    var(--color-transparent),
    var(--color-text) 24%,
    var(--color-text) 76%,
    var(--color-transparent)
  );
}

.tutorial-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
}

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

.tutorial-hero-copy .button-row {
  margin-top: 30px;
}

.tutorial-route {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-bg);
  box-shadow: var(--shadow-float);
  transform: rotate(1deg);
}

.tutorial-route-label {
  margin-bottom: 18px;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.tutorial-route ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tutorial-route li {
  display: flex;
  min-height: 70px;
  padding: 13px 14px;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.tutorial-route li:nth-child(2),
.tutorial-route li:nth-child(4) {
  margin-left: 24px;
}

.tutorial-route li > span {
  display: grid;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font: 750 12px/1 var(--font-mono);
}

.tutorial-route li div {
  display: grid;
}

.tutorial-route li strong {
  font-size: 15px;
}

.tutorial-route li small {
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 12px;
}

.tutorial-platform-note {
  max-width: 980px;
  margin-top: 0;
  margin-bottom: 48px;
}

.tutorial-doc-layout {
  grid-template-columns: 230px minmax(0, 1fr);
}

.tutorial-prose {
  max-width: 830px;
}

.tutorial-prose > section {
  padding-bottom: 22px;
  scroll-margin-top: 30px;
}

.tutorial-prose > section + section {
  padding-top: 34px;
  border-top: 1px solid var(--color-border);
}

.tutorial-prose h2 {
  margin-top: 8px;
}

.guide-step-tag {
  display: inline-flex;
  min-height: 29px;
  align-items: center;
  padding: 4px 11px;
  border: 1px solid var(--color-accent-line);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 12px;
  font-weight: 800;
}

.tutorial-prose .data-table {
  margin: 30px 0;
}

.tutorial-fix-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.tutorial-fix-list article {
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
}

.tutorial-fix-list h3 {
  margin-top: 0;
  font-size: 19px;
}

.tutorial-fix-list p {
  margin-bottom: 0;
  font-size: 15px;
}

.tutorial-complete {
  display: grid;
  margin-top: 46px;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 26px;
  align-items: center;
}

.tutorial-complete h3 {
  margin-bottom: 8px;
}

.tutorial-complete p {
  max-width: 560px;
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .tutorial-hero-grid {
    grid-template-columns: 1fr;
  }

  .tutorial-route {
    max-width: 620px;
    transform: none;
  }

  .tutorial-doc-layout {
    grid-template-columns: 1fr;
  }

  .tutorial-doc-layout .toc {
    display: block;
  }

  .tutorial-doc-layout .toc ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tutorial-prose {
    max-width: none;
  }
}

@media (max-width: 700px) {
  .tutorial-hero::before {
    top: auto;
    right: 0;
    bottom: 18px;
    width: 210px;
    height: 180px;
    opacity: 0.3;
  }

  .tutorial-route {
    padding: 20px;
  }

  .tutorial-route li:nth-child(2),
  .tutorial-route li:nth-child(4) {
    margin-left: 0;
  }

  .tutorial-doc-layout .toc ul,
  .tutorial-fix-list,
  .tutorial-complete {
    grid-template-columns: 1fr;
  }

  .tutorial-complete .button-row {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .tutorial-route li {
    min-height: 64px;
    padding: 11px;
  }

  .tutorial-route li > span {
    width: 34px;
    height: 34px;
  }

  .tutorial-platform-note {
    padding-right: 20px;
    padding-left: 24px;
  }

  .tutorial-fix-list article {
    padding: 19px;
  }
}