.tutorial-hero {
  padding-top: clamp(54px, 8vw, 96px);
  padding-bottom: clamp(58px, 8vw, 102px);
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
}

.tutorial-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .8fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
}

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

.tutorial-hero-copy h1 {
  max-width: 720px;
  margin-top: 20px;
  margin-bottom: 22px;
  font-size: clamp(48px, 5vw, 68px);
}

.tutorial-hero-copy h1 span {
  display: inline-block;
}

.tutorial-hero-copy h1 span + span {
  margin-left: .18em;
}

.tutorial-hero-actions {
  margin-top: 28px;
}

.tutorial-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tutorial-path-panel {
  position: relative;
  min-width: 0;
  padding: clamp(22px, 4vw, 34px);
  box-shadow: var(--shadow-window);
  transform: rotate(1deg);
}

.tutorial-path-panel::before {
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  z-index: -1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-alt);
}

.tutorial-path-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.tutorial-path-head .mono {
  color: var(--color-muted);
  font-size: 11px;
  letter-spacing: .08em;
}

.tutorial-path-head strong {
  color: var(--color-accent-dark);
  font-family: var(--font-display);
}

.tutorial-path-list {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 14px 0;
  list-style: none;
}

.tutorial-path-list::before {
  content: "";
  position: absolute;
  top: 37px;
  bottom: 37px;
  left: 7px;
  border-left: 1px dashed var(--color-border);
}

.tutorial-path-list li {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
}

.path-marker {
  position: relative;
  z-index: 1;
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  border: 4px solid var(--color-panel);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-border);
}

.path-marker-success {
  background: var(--color-success);
}

.tutorial-path-list li div {
  display: grid;
  min-width: 0;
}

.tutorial-path-list strong {
  color: var(--color-accent-dark);
  font-size: 14px;
}

.tutorial-path-list small {
  color: var(--color-muted);
  font-size: 12px;
}

.tutorial-path-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 12px;
}

.tutorial-flow {
  max-width: 920px;
  padding-top: clamp(54px, 8vw, 92px);
  padding-bottom: var(--section-space);
}

.tutorial-flow > .toc-tabs {
  margin-bottom: 32px;
}

.step-section {
  position: relative;
  padding-top: clamp(48px, 7vw, 76px);
  padding-bottom: clamp(48px, 7vw, 76px);
  border-bottom: 1px solid var(--color-border);
}

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

.step-heading {
  margin-bottom: 28px;
}

.step-label {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.step-heading h2 {
  max-width: 760px;
  margin-bottom: 0;
}

.step-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

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

.platform-guide {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  transform-style: preserve-3d;
}

.platform-guide-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--color-border);
}

.platform-guide-head h3 {
  margin: 0;
  font-size: 21px;
}

.platform-text-icon {
  display: grid;
  width: 46px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-panel-alt);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .04em;
}

.platform-guide p {
  font-size: 15px;
}

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

.verify-panel {
  margin-top: 34px;
  padding: clamp(22px, 4vw, 32px);
}

.verify-status {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.verify-status div {
  display: grid;
  min-width: 0;
}

.verify-status strong {
  color: var(--color-accent-dark);
}

.verify-status span:last-child {
  color: var(--color-muted);
  font-size: 12px;
}

.verify-panel ul {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  padding-left: 1.3em;
}

.verify-panel li {
  padding-left: 4px;
}

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

  .tutorial-path-panel {
    max-width: 620px;
    transform: none;
  }
}

@media (max-width: 680px) {
  .tutorial-hero-copy h1 {
    font-size: clamp(30px, 10vw, 40px);
  }

  .tutorial-hero-copy h1 span {
    display: block;
  }

  .tutorial-hero-copy h1 span + span {
    margin-top: 4px;
    margin-left: 0;
  }

  .tutorial-path-panel::before {
    inset: 8px -6px -8px 6px;
  }

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

  .step-actions > a {
    flex: 1 1 160px;
  }
}

@media (max-width: 420px) {
  .tutorial-facts {
    align-items: flex-start;
    flex-direction: column;
  }

  .tutorial-path-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .platform-guide .btn-secondary {
    width: 100%;
  }
}