.page-tutorial {
  background: var(--color-page);
}

.tutorial-hero {
  position: relative;
  overflow-x: clip;
  padding-top: clamp(54px, 8vw, 94px);
  padding-bottom: clamp(68px, 9vw, 110px);
  border-bottom: 1px solid var(--color-line);
}

.tutorial-hero::before {
  position: absolute;
  top: -180px;
  right: -170px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  content: "";
  pointer-events: none;
  background: radial-gradient(circle, var(--color-warning-faint), transparent 70%);
}

.tutorial-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(340px, .74fr);
  gap: clamp(38px, 7vw, 88px);
  align-items: center;
}

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

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

.tutorial-hero-copy h1 {
  max-width: 11em;
}

.tutorial-lead {
  max-width: 42em;
  margin-bottom: 28px;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.9;
}

.tutorial-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 13px;
}

.tutorial-facts span {
  position: relative;
  padding-left: 14px;
}

.tutorial-facts span::before {
  position: absolute;
  top: .72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  content: "";
  background: var(--color-warning);
}

.tutorial-facts strong {
  color: var(--color-brand);
}

.tutorial-route {
  position: relative;
  z-index: 1;
  overflow: hidden;
  box-shadow: var(--shadow-panel);
  transform: rotate(.7deg);
}

.tutorial-route::after {
  position: absolute;
  right: -70px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  content: "";
  pointer-events: none;
  background: radial-gradient(circle, var(--color-glow-amber), transparent 68%);
}

.tutorial-route-bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 15px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-panel-soft);
}

.tutorial-route-title {
  margin-left: 9px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.tutorial-route-bar .window-bolt {
  margin-left: auto;
}

.tutorial-route-list {
  position: relative;
  z-index: 1;
  padding: 15px;
  background: var(--color-paper-alpha);
  list-style: none;
}

.tutorial-route-list::before {
  position: absolute;
  top: 42px;
  bottom: 42px;
  left: 31px;
  width: 1px;
  content: "";
  background: var(--color-warning-line);
}

.tutorial-route-list li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 66px;
  padding: 9px 10px;
  border-bottom: 1px dashed var(--color-line);
}

.tutorial-route-list li:last-child {
  border-bottom: 0;
}

.route-marker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-warning-line);
  border-radius: 50%;
  color: var(--color-warning-deep);
  background: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

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

.tutorial-route-list strong {
  color: var(--color-brand);
  font-size: 14px;
}

.tutorial-route-list small {
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 11px;
}

.tutorial-article {
  padding-top: 40px;
  padding-bottom: var(--section-space);
}

.tutorial-article .toc-tabs {
  top: 12px;
}

.tutorial-section {
  max-width: 940px;
  margin-inline: auto;
  padding-top: clamp(58px, 8vw, 92px);
  padding-bottom: clamp(58px, 8vw, 92px);
  border-bottom: 1px solid var(--color-line);
}

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

.step-heading {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 30px;
  margin-bottom: 34px;
}

.step-heading h2 {
  margin-bottom: 10px;
}

.step-heading p {
  max-width: 44em;
  margin-bottom: 0;
  color: var(--color-muted);
}

.step-label {
  display: inline-flex;
  width: fit-content;
  min-width: 78px;
  height: 34px;
  align-items: center;
  justify-content: center;
  padding-inline: 14px;
  border: 1px solid var(--color-warning-line);
  border-radius: var(--radius-pill);
  color: var(--color-warning-deep);
  background: var(--color-warning-faint);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.tutorial-copy {
  max-width: var(--reading-width);
  margin-inline: auto;
  color: var(--color-text);
}

.tutorial-copy p {
  margin-bottom: 1.35em;
}

.tutorial-copy pre {
  margin-top: 24px;
  margin-bottom: 26px;
}

.inline-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 32px;
  padding: 18px 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: var(--color-panel);
  box-shadow: 0 1px 2px var(--color-shadow-soft);
}

.inline-action div {
  display: grid;
  gap: 2px;
}

.inline-action strong {
  color: var(--color-brand);
}

.inline-action span {
  color: var(--color-muted);
  font-size: 13px;
}

.inline-action .button {
  flex: 0 0 auto;
}

.client-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.client-guide {
  min-height: 100%;
  padding: 25px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  box-shadow: 0 1px 2px var(--color-shadow-soft);
  transition: transform var(--motion-fast), box-shadow var(--motion-fast);
}

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

.client-guide .platform-icon {
  margin-bottom: 16px;
}

.client-guide h3 {
  font-size: 22px;
}

.client-guide p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.85;
}

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

.tutorial-copy-after-grid {
  margin-top: 32px;
}

.verification-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 34px;
}

.verification-strip > div {
  display: flex;
  min-height: 92px;
  align-items: center;
  gap: 12px;
  padding: 17px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: var(--color-panel);
}

.verification-mark {
  display: inline-flex;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-success);
  background: var(--color-success-faint);
  font-weight: 850;
}

.verification-strip p {
  display: grid;
  gap: 2px;
  margin-bottom: 0;
}

.verification-strip strong {
  color: var(--color-brand);
  font-size: 14px;
}

.verification-strip small {
  color: var(--color-muted);
  font-size: 11px;
}

.tutorial-section .faq-list {
  max-width: var(--reading-width);
  margin-inline: auto;
}

.tutorial-final-note {
  max-width: var(--reading-width);
  margin-right: auto;
  margin-bottom: 0;
  margin-left: auto;
}

@media (max-width: 1080px) {
  .tutorial-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(310px, .72fr);
    gap: 40px;
  }
}

@media (max-width: 860px) {
  .tutorial-hero-grid {
    grid-template-columns: 1fr;
  }

  .tutorial-route {
    width: 100%;
    max-width: 620px;
    transform: none;
  }

  .step-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .verification-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 40px;
    padding-bottom: 64px;
  }

  .tutorial-lead {
    font-size: 16px;
    line-height: 1.8;
  }

  .tutorial-facts {
    display: grid;
    gap: 9px;
  }

  .tutorial-route-list {
    padding: 10px;
  }

  .tutorial-route-list::before {
    left: 26px;
  }

  .tutorial-route-list li {
    padding-inline: 0;
  }

  .tutorial-article {
    padding-top: 24px;
  }

  .tutorial-section {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .inline-action {
    align-items: stretch;
    flex-direction: column;
  }

  .inline-action .button {
    width: 100%;
  }

  .client-guide {
    padding: 20px;
  }
}