.tutorial-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.tutorial-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: center;
  min-height: 620px;
  padding-top: clamp(70px, 9vw, 112px);
  padding-bottom: clamp(70px, 9vw, 112px);
}

.tutorial-hero-copy {
  max-width: 680px;
}

.tutorial-hero-copy .eyebrow {
  margin-top: 24px;
}

.tutorial-hero-copy h1 {
  margin-top: 12px;
}

.tutorial-hero-copy .lede {
  max-width: 650px;
}

.tutorial-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tutorial-route-card {
  position: relative;
  padding: clamp(28px, 4vw, 44px);
  overflow: hidden;
  border: 1px solid var(--color-cream-12);
  border-radius: var(--radius-sm);
  background-color: var(--color-night);
  background-image: radial-gradient(var(--color-dots) 1px, var(--color-transparent) 1.2px);
  background-size: 12px 12px;
  color: var(--color-cream);
  box-shadow: var(--shadow-raised);
}

.tutorial-route-card::before {
  position: absolute;
  top: 86px;
  bottom: 48px;
  left: 54px;
  border-left: 1px dashed var(--color-cream-30);
  content: "";
}

.tutorial-route-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-cream-12);
}

.tutorial-route-head strong {
  display: block;
  color: var(--color-cream);
  font-size: 19px;
}

.tutorial-route-mark {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-round);
  background: var(--color-lilac);
  color: var(--color-cream);
}

.tutorial-route-label {
  display: block;
  margin-bottom: 2px;
  color: var(--color-cream-60);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
}

.tutorial-route-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.tutorial-route-list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 68px;
}

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

.tutorial-route-list strong {
  color: var(--color-cream);
  font-weight: 500;
}

.tutorial-route-list small {
  margin-top: 2px;
  color: var(--color-cream-60);
}

.tutorial-route-dot {
  width: 12px;
  height: 12px;
  margin-left: 5px;
  border: 2px solid var(--color-cream);
  border-radius: var(--radius-round);
  background: var(--color-night-panel);
  box-shadow: 0 0 0 4px var(--color-night);
}

.tutorial-flow {
  padding-top: clamp(48px, 7vw, 82px);
  padding-bottom: var(--section-space);
}

.tutorial-opening {
  max-width: 940px;
  margin-top: 0;
  margin-bottom: clamp(58px, 8vw, 96px);
}

.tutorial-step {
  display: grid;
  grid-template-columns: minmax(92px, 0.22fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 72px);
  padding-top: clamp(60px, 8vw, 100px);
  padding-bottom: clamp(60px, 8vw, 100px);
  border-top: 1px solid var(--color-border);
}

.tutorial-step:first-of-type {
  border-top: 0;
}

.tutorial-step-marker {
  position: sticky;
  top: calc(var(--header-height) + 84px);
  display: grid;
  width: 72px;
  height: 72px;
  align-self: start;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-round);
  background: var(--color-surface);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  box-shadow: var(--shadow-card);
}

.tutorial-step-body {
  width: 100%;
  max-width: 880px;
}

.tutorial-step-body > h2 {
  margin-top: 0;
}

.tutorial-step-body > p {
  max-width: 820px;
  color: var(--color-text-muted);
  font-size: 17px;
  line-height: 1.85;
}

.tutorial-step-body pre {
  margin-top: 24px;
  margin-bottom: 24px;
}

.tutorial-step-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
}

.tutorial-text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--color-accent-strong);
  font-weight: 600;
}

.platform-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
  margin-bottom: 34px;
}

.platform-guide {
  min-width: 0;
  padding: clamp(24px, 3vw, 32px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.platform-guide-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.platform-guide-head h3 {
  margin: 0;
  font-size: 22px;
}

.platform-guide-icon {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-round);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.platform-guide-icon svg {
  width: 23px;
  height: 23px;
}

.platform-guide p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.platform-guide p + p {
  margin-top: 16px;
}

@media (max-width: 1024px) {
  .tutorial-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
    gap: 40px;
  }

  .tutorial-step {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .tutorial-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .tutorial-route-card {
    width: 100%;
    max-width: 580px;
  }

  .tutorial-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .tutorial-step-marker {
    position: static;
    width: 58px;
    height: 58px;
  }

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

@media (max-width: 640px) {
  .tutorial-hero-grid {
    padding-top: 42px;
    padding-bottom: 42px;
  }

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

  .tutorial-route-card {
    padding: 24px 20px;
  }

  .tutorial-route-card::before {
    top: 82px;
    bottom: 42px;
    left: 40px;
  }

  .tutorial-route-list li {
    min-height: 64px;
  }

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

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

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

  .tutorial-step-actions .btn,
  .tutorial-text-link {
    width: 100%;
    justify-content: center;
  }

  .platform-guide {
    padding: 22px 18px;
  }
}