.tutorial-hero {
  position: relative;
  max-width: 100%;
  overflow-x: clip;
  padding-top: 54px;
  padding-bottom: 74px;
  background:
    radial-gradient(circle at 86% 12%, rgba(var(--rgb-accent), .12), rgba(var(--rgb-accent), 0) 34%),
    linear-gradient(180deg, rgba(var(--rgb-accent), .07), rgba(var(--rgb-panel), .36));
}

.tutorial-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, .78fr);
  align-items: center;
  gap: 72px;
}

.tutorial-hero-copy {
  min-width: 0;
}

.tutorial-hero-copy h1 {
  max-width: 10em;
}

.tutorial-hero-copy p {
  max-width: 38em;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 17px;
}

.tutorial-route-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-plate);
  background: var(--color-ink);
  box-shadow: var(--shadow-plate);
  color: var(--color-panel);
}

.tutorial-route-card::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(var(--rgb-accent), .2), rgba(var(--rgb-accent), 0) 48%);
  content: "";
  pointer-events: none;
}

.tutorial-route-card::after {
  position: absolute;
  right: -20%;
  bottom: -34%;
  width: 62%;
  aspect-ratio: 1;
  border-radius: var(--radius-pill);
  background: rgba(var(--rgb-accent), .22);
  content: "";
  filter: blur(44px);
  pointer-events: none;
}

.tutorial-route-head,
.tutorial-route-list,
.tutorial-route-facts {
  position: relative;
  z-index: 1;
}

.tutorial-route-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(var(--rgb-panel), .16);
}

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

.tutorial-route-head strong {
  color: var(--color-panel);
  font-family: var(--font-display);
  font-size: 20px;
}

.tutorial-route-head small {
  color: rgba(var(--rgb-panel), .68);
}

.tutorial-route-lock {
  display: grid;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-control);
  background: linear-gradient(150deg, var(--color-accent), var(--color-accent-deep));
  color: var(--color-panel);
}

.tutorial-route-lock svg {
  width: 25px;
  height: 25px;
}

.tutorial-route-list {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.tutorial-route-list span {
  position: relative;
  display: flex;
  min-height: 42px;
  align-items: center;
  padding: 8px 38px 8px 14px;
  border: 1px solid rgba(var(--rgb-panel), .14);
  border-radius: var(--radius-control);
  background: rgba(var(--rgb-panel), .07);
  color: var(--color-panel);
  font-weight: 700;
}

.tutorial-route-list span::after {
  position: absolute;
  right: 14px;
  color: var(--color-accent);
  content: "✓";
  font-weight: 800;
}

.tutorial-route-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tutorial-route-facts span {
  display: inline-flex;
  max-width: 100%;
  min-height: 28px;
  align-items: center;
  overflow: hidden;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(var(--rgb-panel), .1);
  color: rgba(var(--rgb-panel), .78);
  font-size: 11px;
  font-weight: 700;
}

.tutorial-flow {
  padding-top: 54px;
  padding-bottom: 22px;
}

.tutorial-flow > .toc-tabs {
  margin-bottom: 34px;
}

.tutorial-flow > .callout {
  margin-bottom: 34px;
}

.tutorial-step {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 28px;
  margin-top: 0;
  padding-top: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.tutorial-step:first-of-type {
  padding-top: 34px;
}

.tutorial-step:last-child {
  border-bottom: 0;
}

.tutorial-step-mark {
  position: sticky;
  top: calc(var(--header-height) + 76px);
  display: grid;
  width: 72px;
  height: 72px;
  align-self: start;
  place-items: center;
  border-radius: var(--radius-card);
  background: var(--color-ink);
  box-shadow: 8px 10px 0 var(--color-sand);
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.tutorial-step-body {
  min-width: 0;
  max-width: 850px;
}

.tutorial-step-body h2 {
  margin-top: 12px;
}

.tutorial-step-body p {
  max-width: 52em;
}

.tutorial-step-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.platform-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
  margin-bottom: 24px;
}

.platform-guide {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.platform-guide h3 {
  position: relative;
  padding-left: 18px;
  font-size: 22px;
}

.platform-guide h3::before {
  position: absolute;
  top: .3em;
  bottom: .3em;
  left: 0;
  width: 5px;
  border-radius: var(--radius-pill);
  background: linear-gradient(var(--color-accent), var(--color-accent-deep));
  content: "";
}

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

.tutorial-step pre {
  margin-top: 20px;
  margin-bottom: 20px;
}

.tutorial-step .callout {
  margin-top: 24px;
}

.tutorial-complete {
  margin-top: 30px;
  padding: 24px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-card);
  background: rgba(var(--rgb-accent), .07);
  box-shadow: 0 16px 34px -24px rgba(var(--rgb-accent), .64);
}

.tutorial-complete strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-accent-deep);
  font-family: var(--font-display);
  font-size: 18px;
}

.tutorial-complete p {
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .tutorial-hero-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .tutorial-hero-copy h1 {
    max-width: none;
  }

  .tutorial-route-card {
    max-width: 680px;
  }
}

@media (max-width: 768px) {
  .tutorial-hero {
    padding-top: 34px;
    padding-bottom: 54px;
  }

  .tutorial-flow {
    padding-top: 38px;
  }

  .tutorial-step {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .tutorial-step-mark {
    position: static;
    width: fit-content;
    min-width: 64px;
    height: 42px;
    padding-inline: 14px;
    border-radius: var(--radius-pill);
    box-shadow: 5px 5px 0 var(--color-sand);
  }

  .platform-guide-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tutorial-route-card {
    padding: 20px;
    border-radius: var(--radius-card);
  }

  .tutorial-route-head strong {
    font-size: 18px;
  }

  .tutorial-route-facts {
    display: grid;
  }

  .tutorial-route-facts span {
    width: 100%;
  }

  .tutorial-step-actions {
    display: grid;
  }

  .tutorial-step-actions .btn {
    width: 100%;
  }

  .platform-guide {
    padding: 20px;
  }

  .tutorial-flow > .toc-tabs {
    top: 8px;
  }
}