.tutorial-hero {
  overflow-x: clip;
}

.tutorial-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  min-height: 520px;
  overflow: clip;
  border: 1px solid var(--color-white-45);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.tutorial-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 54px;
}

.tutorial-hero-copy h1 {
  margin-top: 22px;
  margin-bottom: 0;
}

.tutorial-hero-copy .lead {
  max-width: 38em;
  margin-top: 22px;
  margin-bottom: 0;
}

.tutorial-route {
  position: relative;
  display: flex;
  min-height: 420px;
  align-items: center;
  justify-content: center;
  overflow: clip;
  background: var(--color-butter);
}

.tutorial-route::before {
  position: absolute;
  inset: 24px;
  content: '';
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.tutorial-route svg {
  position: relative;
  z-index: 1;
  width: min(92%, 520px);
  height: auto;
}

.tutorial-route-cloud {
  fill: var(--color-lavender);
  stroke: var(--color-text);
  stroke-width: 3;
  stroke-linejoin: round;
}

.tutorial-route-line {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tutorial-route-highlight {
  fill: none;
  stroke: var(--color-panel);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tutorial-route-ground {
  fill: var(--color-panel-deep);
  stroke: var(--color-border);
  stroke-width: 2;
}

.tutorial-route-ring {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 2;
}

.tutorial-route-ring-soft {
  opacity: 0.35;
}

.tutorial-route-device {
  fill: var(--color-panel);
  stroke: var(--color-text);
  stroke-width: 3;
}

.tutorial-route-device-line,
.tutorial-route-stand {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tutorial-route-labels {
  position: absolute;
  right: 28px;
  bottom: 26px;
  left: 28px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.tutorial-route-labels span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 5px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  box-shadow: var(--shadow-small);
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.tutorial-prose {
  padding-top: 54px;
  padding-bottom: 72px;
}

.tutorial-prose > .toc-tabs {
  max-width: 100%;
}

.guide-step {
  position: relative;
  max-width: var(--reading-max);
  margin-inline: auto;
  padding-top: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--color-border);
}

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

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

.guide-step p {
  font-size: 17px;
  line-height: 1.82;
}

.guide-step .btn {
  margin-top: 10px;
  text-decoration: none;
}

.guide-step-label,
.platform-guide-name {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  color: var(--color-accent-dark);
  background: var(--color-panel-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.platform-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
  margin-bottom: 30px;
}

.platform-guide-card {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--color-white-45);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
  transition: transform var(--transition-card), box-shadow var(--transition-card);
}

.platform-guide-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.platform-guide-card h3 {
  margin-top: 16px;
  font-size: 23px;
}

.platform-guide-card p {
  font-size: 15px;
  line-height: 1.75;
}

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

.platform-guide-name {
  color: var(--color-text);
  background: var(--color-panel);
  box-shadow: var(--shadow-small);
}

.platform-guide-note {
  padding: 20px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-deep);
}

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

  .tutorial-hero-copy {
    padding: 40px 34px;
  }

  .tutorial-route {
    min-height: 380px;
  }
}

@media (max-width: 768px) {
  .tutorial-hero-copy {
    padding: 32px 24px;
  }

  .tutorial-route {
    min-height: 330px;
  }

  .tutorial-route::before {
    inset: 16px;
  }

  .tutorial-route-labels {
    right: 18px;
    bottom: 18px;
    left: 18px;
  }

  .tutorial-route-labels span {
    font-size: 11px;
  }

  .tutorial-prose {
    padding-top: 38px;
    padding-bottom: 52px;
  }

  .guide-step {
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .guide-step p {
    font-size: 16px;
  }

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

@media (max-width: 520px) {
  .tutorial-route {
    min-height: 292px;
  }

  .tutorial-route svg {
    width: 100%;
  }

  .tutorial-route-labels {
    justify-content: center;
    flex-wrap: wrap;
  }

  .tutorial-route-labels span {
    white-space: normal;
  }

  .platform-guide-card {
    padding: 22px;
  }
}