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

.tutorial-hero {
  position: relative;
  padding-top: 92px;
  padding-bottom: 78px;
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(90deg, transparent, var(--color-accent-wash), transparent),
    var(--color-canvas);
  background-size: 100% 1px, auto;
  background-position: center bottom, center;
  background-repeat: no-repeat;
}

.tutorial-hero::before {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 19px, var(--color-line) 19px 20px);
  content: "";
  opacity: 0.28;
  mask: linear-gradient(to bottom, transparent, var(--color-ink), transparent);
  -webkit-mask: linear-gradient(to bottom, transparent, var(--color-ink), transparent);
  pointer-events: none;
}

.tutorial-hero .reading-wrap {
  position: relative;
  z-index: 1;
}

.tutorial-hero h1 {
  max-width: 720px;
  margin-top: 22px;
}

.tutorial-hero .lead {
  max-width: 700px;
  margin-bottom: 28px;
}

.tutorial-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.tutorial-facts {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 34px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--color-line);
  list-style: none;
}

.tutorial-facts li {
  position: relative;
  padding-left: 16px;
  color: var(--color-ink-muted);
  font-size: 13px;
  font-weight: 650;
}

.tutorial-facts li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
  transform: translateY(-50%);
}

.tutorial-document {
  padding-top: 72px;
  padding-bottom: 104px;
}

.tutorial-prose {
  font-size: 16.5px;
  line-height: 1.85;
}

.guide-section {
  position: relative;
  padding-top: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-line);
}

.guide-section:first-of-type {
  padding-top: 10px;
}

.guide-section:last-child {
  padding-bottom: 10px;
  border-bottom: 0;
}

.guide-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.guide-section h2 {
  max-width: 680px;
  font-size: clamp(30px, 4vw, 42px);
}

.guide-section h3 {
  font-size: 20px;
}

.guide-action,
.client-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin-top: 30px;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.guide-action p,
.client-entry p {
  margin: 5px 0 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.platform-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.platform-guide {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-canvas);
  box-shadow: var(--shadow-soft);
}

.platform-guide-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 18px;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-wash);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
}

.platform-guide p {
  margin-bottom: 0;
  font-size: 14.5px;
  line-height: 1.8;
}

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

.tutorial-prose .callout {
  margin-top: 30px;
  margin-bottom: 30px;
}

@media (max-width: 768px) {
  .tutorial-hero {
    padding-top: 66px;
    padding-bottom: 58px;
  }

  .tutorial-document {
    padding-top: 54px;
    padding-bottom: 76px;
  }

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

  .guide-action,
  .client-entry {
    grid-template-columns: 1fr;
  }

  .guide-action .btn,
  .client-entry .btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 48px;
    padding-bottom: 48px;
  }

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

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

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

  .tutorial-document {
    padding-top: 42px;
    padding-bottom: 68px;
  }

  .guide-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .guide-section h2 {
    font-size: clamp(28px, 8vw, 34px);
  }

  .guide-action,
  .client-entry,
  .platform-guide {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tutorial-hero::before {
    transform: none;
  }
}