.tutorial-intro {
  padding-top: clamp(42px, 7vw, 88px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.tutorial-intro .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(36px, 7vw, 88px);
  align-items: center;
}

.tutorial-intro-copy {
  max-width: 720px;
}

.tutorial-intro .hero-badge {
  margin-bottom: 26px;
}

.tutorial-intro .kicker {
  margin-bottom: 12px;
}

.tutorial-intro h1 {
  max-width: 700px;
}

.tutorial-lead {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.8;
}

.tutorial-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 28px;
  gap: 14px;
}

.tutorial-route {
  position: relative;
  display: grid;
  margin: 0;
  padding: clamp(26px, 4vw, 42px);
  gap: 14px;
  border-radius: var(--radius-card);
  background: linear-gradient(145deg, var(--color-hero-a), var(--color-hero-b));
  box-shadow: var(--shadow-banner);
  list-style: none;
}

.tutorial-route::before {
  position: absolute;
  top: 58px;
  bottom: 58px;
  left: 66px;
  width: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-white-soft);
  content: "";
}

.tutorial-route li {
  position: relative;
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  min-height: 82px;
  padding: 14px 18px;
  align-items: center;
  column-gap: 16px;
  border-radius: var(--radius-md);
  background: var(--color-white-soft);
  color: var(--color-text);
  box-shadow: var(--shadow-chip);
}

.tutorial-route strong,
.tutorial-route small {
  grid-column: 2;
}

.tutorial-route strong {
  align-self: end;
  font-size: 17px;
}

.tutorial-route small {
  align-self: start;
  color: var(--color-text-muted);
  font-size: 13px;
}

.route-index {
  position: relative;
  z-index: 1;
  display: grid;
  width: 46px;
  height: 46px;
  grid-row: 1 / span 2;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  color: var(--color-accent-dark);
  box-shadow: var(--shadow-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.route-index-end::after {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background: var(--color-error);
  content: "";
}

.route-index-end {
  color: transparent;
}

.tutorial-toc-wrap {
  position: relative;
  z-index: 12;
}

.tutorial-step {
  padding-top: clamp(52px, 7vw, 86px);
  padding-bottom: clamp(28px, 5vw, 58px);
}

.step-card {
  position: relative;
  padding: clamp(26px, 5vw, 54px);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-text-muted);
  box-shadow: var(--shadow-card);
}

.step-card-preflight {
  background: var(--color-panel-strong);
}

.step-card-finish {
  background: var(--color-canvas);
}

.step-card > :last-child {
  margin-bottom: 0;
}

.step-heading {
  display: flex;
  margin-bottom: 28px;
  align-items: flex-start;
  gap: 20px;
}

.step-heading h2,
.step-heading .kicker {
  margin-bottom: 0;
}

.step-heading .kicker {
  margin-bottom: 7px;
}

.step-number {
  display: grid;
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-lift);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
}

.step-number-end {
  position: relative;
}

.step-number-end::after {
  position: absolute;
  right: 7px;
  bottom: 7px;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background: var(--color-error);
  box-shadow: 0 0 0 4px var(--color-error-wash);
  content: "";
}

.preflight-grid,
.verification-grid {
  display: grid;
  margin-top: 30px;
  gap: 16px;
}

.preflight-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.verification-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.preflight-grid > div,
.verification-grid > div {
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--color-canvas);
  color: var(--color-text-muted);
  box-shadow: var(--shadow-soft);
}

.preflight-grid strong,
.verification-grid strong {
  display: block;
  margin-bottom: 7px;
  color: var(--color-text);
}

.preflight-grid p,
.verification-grid p {
  margin-bottom: 0;
}

.verification-grid span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-wash);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
}

.step-card .table-scroll {
  margin-block: 28px;
}

.step-card .data-table {
  color: var(--color-text-muted);
}

.step-card ol li + li {
  margin-top: 12px;
}

.step-card h3 {
  margin-top: 38px;
}

.step-card .end-download-card {
  color: var(--color-text);
}

@media (max-width: 960px) {
  .tutorial-intro .wrap {
    grid-template-columns: 1fr;
  }

  .tutorial-intro-copy {
    max-width: var(--reading-max);
  }

  .tutorial-route {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tutorial-route::before {
    display: none;
  }

  .preflight-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tutorial-intro {
    padding-top: 34px;
  }

  .tutorial-actions .button {
    width: 100%;
  }

  .tutorial-route {
    grid-template-columns: 1fr;
    padding: 18px;
    border-radius: var(--radius-lg);
  }

  .tutorial-route::before {
    top: 42px;
    bottom: 42px;
    left: 55px;
    display: block;
  }

  .tutorial-route li {
    min-height: 76px;
    padding: 12px 14px;
  }

  .tutorial-toc-wrap {
    padding-top: 6px;
  }

  .tutorial-step {
    padding-top: 48px;
    padding-bottom: 20px;
  }

  .step-card {
    padding: 24px 20px;
    border-radius: var(--radius-lg);
  }

  .step-heading {
    gap: 14px;
  }

  .step-number {
    width: 46px;
    height: 46px;
    flex-basis: 46px;
    font-size: 12px;
  }

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

  .preflight-grid > div,
  .verification-grid > div {
    padding: 18px;
  }
}