.tutorial-hero {
  position: relative;
  overflow-x: clip;
  padding-top: clamp(54px, 8vw, 104px);
  padding-bottom: clamp(44px, 6vw, 78px);
}

.tutorial-hero::before {
  position: absolute;
  top: 4%;
  right: 3%;
  width: min(48vw, 640px);
  height: min(48vw, 640px);
  border-radius: var(--radius-pill);
  background: radial-gradient(closest-side, var(--color-halo), transparent 72%);
  content: "";
  pointer-events: none;
}

.tutorial-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(300px, 0.68fr);
  gap: clamp(30px, 6vw, 84px);
  align-items: center;
}

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

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

.tutorial-intro {
  max-width: 680px;
  margin-bottom: 0;
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.85;
}

.tutorial-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.tutorial-facts li {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.tutorial-route {
  position: relative;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-canvas);
  box-shadow: var(--shadow-panel);
}

.tutorial-route-label {
  display: block;
  margin-bottom: 22px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.tutorial-route ol {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.tutorial-route ol::before {
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 8px;
  width: 2px;
  background: var(--color-line);
  content: "";
}

.tutorial-route li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(64px, auto) minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 58px;
  padding-left: 30px;
}

.tutorial-route li::before {
  position: absolute;
  left: 0;
  width: 18px;
  height: 18px;
  border: 5px solid var(--color-canvas);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-line);
  content: "";
}

.tutorial-route li:last-child::before {
  background: var(--color-success);
}

.tutorial-route li span {
  color: var(--color-muted);
  font-size: 13px;
}

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

.tutorial-toc {
  width: calc(100% - (var(--gutter) * 2));
  max-width: var(--content-max);
  margin-inline: auto;
}

.tutorial-callout {
  padding-top: 34px;
  padding-bottom: 12px;
}

.tutorial-flow {
  padding-top: 24px;
  padding-bottom: var(--section-space);
}

.tutorial-step {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  padding-top: clamp(58px, 8vw, 96px);
  padding-bottom: clamp(58px, 8vw, 96px);
  border-bottom: 1px solid var(--color-line);
}

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

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

.tutorial-step-code {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.tutorial-step-head h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 3vw, 42px);
}

.tutorial-step-body {
  max-width: 790px;
}

.tutorial-step-body > p {
  margin-bottom: 20px;
  font-size: 17px;
  line-height: 1.9;
}

.tutorial-step-body > p:last-of-type {
  margin-bottom: 26px;
}

.tutorial-step-body pre {
  margin-bottom: 22px;
}

.tutorial-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tutorial-step-wide .tutorial-step-body {
  max-width: none;
}

.tutorial-platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.tutorial-platform {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-canvas);
  transition: transform var(--motion-base) var(--ease-standard), box-shadow var(--motion-base) var(--ease-standard);
}

.tutorial-platform:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.tutorial-platform-title {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 18px;
}

.tutorial-platform-title .platform-card-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  margin-bottom: 0;
}

.tutorial-platform-title .platform-card-icon svg {
  width: 26px;
  height: 26px;
}

.tutorial-platform-title h3 {
  margin-bottom: 0;
}

.tutorial-platform p {
  font-size: 15px;
  line-height: 1.85;
}

.tutorial-platform .btn {
  align-self: flex-start;
  margin-top: auto;
}

.tutorial-checks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.tutorial-checks > div {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.tutorial-checks .dot {
  margin-bottom: 14px;
}

.tutorial-checks strong {
  display: block;
  margin-bottom: 7px;
}

.tutorial-checks p {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.7;
}

.tutorial-handoff .callout {
  margin: 28px 0;
}

@media (max-width: 900px) {
  .tutorial-hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .tutorial-route {
    max-width: 620px;
  }

  .tutorial-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .tutorial-step-body {
    max-width: none;
  }

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

@media (max-width: 700px) {
  .tutorial-hero {
    padding-top: 44px;
  }

  .tutorial-hero::before {
    top: 24%;
    right: -34%;
    width: 520px;
    height: 520px;
  }

  .tutorial-hero-inner {
    gap: 34px;
  }

  .tutorial-route {
    border-radius: var(--radius-lg);
  }

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

  .tutorial-step-body > p {
    font-size: 16px;
  }

  .tutorial-toc {
    width: calc(100% - (var(--gutter) * 2));
  }
}

@media (max-width: 480px) {
  .tutorial-facts li {
    width: 100%;
  }

  .tutorial-route li {
    grid-template-columns: minmax(58px, auto) minmax(0, 1fr);
    gap: 10px;
  }

  .tutorial-actions {
    flex-direction: column;
  }

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

  .tutorial-platform .btn {
    width: 100%;
  }
}