.tutorial-hero {
  position: relative;
  padding-top: clamp(72px, 9vw, 124px);
  padding-bottom: clamp(68px, 8vw, 112px);
  border-bottom: 1px solid var(--color-border-soft);
}

.tutorial-hero::before,
.tutorial-hero::after {
  position: absolute;
  z-index: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-star);
  box-shadow:
    78px 32px 0 var(--color-star-soft),
    162px 96px 0 var(--color-star),
    244px 18px 0 var(--color-star-soft),
    326px 138px 0 var(--color-star-soft);
  content: "";
  opacity: 0.72;
}

.tutorial-hero::before {
  top: 42px;
  left: 4%;
}

.tutorial-hero::after {
  right: 22%;
  bottom: 64px;
  transform: rotate(18deg);
}

.tutorial-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
}

.tutorial-hero-copy h1 {
  max-width: 12ch;
  margin: 20px 0 24px;
}

.tutorial-hero-copy .lead {
  margin-bottom: 28px;
}

.tutorial-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.route-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-template-rows: repeat(5, minmax(58px, auto));
  gap: 12px;
  min-height: 430px;
  padding: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  transform: rotate(0.8deg);
}

.route-steps::before {
  position: absolute;
  inset: 16px;
  border: 1px dashed var(--color-border-soft);
  border-radius: var(--radius-lg);
  content: "";
}

.route-track {
  position: absolute;
  top: 50%;
  right: 12%;
  left: 12%;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  transform: translateY(-50%);
}

.route-track::before,
.route-track::after {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--color-warning);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.route-track::before {
  left: 0;
}

.route-track::after {
  right: 0;
}

.route-block {
  position: relative;
  z-index: 2;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.route-block span {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.route-block strong {
  margin-top: 3px;
  font-size: 0.86rem;
}

.route-block-accent {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
  background: var(--color-accent);
}

.route-block-coral {
  grid-column: 3 / 5;
  grid-row: 2 / 4;
  background: var(--color-coral);
}

.route-block-lime {
  grid-column: 5 / 7;
  grid-row: 1 / 3;
  background: var(--color-lime);
}

.route-block-pink {
  grid-column: 2 / 4;
  grid-row: 4 / 6;
  background: var(--color-pink);
}

.route-block-final {
  grid-column: 4 / 7;
  grid-row: 4 / 6;
  color: var(--color-text);
  background: var(--color-panel-alt);
}

.guide-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: start;
  max-width: 1180px;
  margin-inline: auto;
}

.guide-layout .toc-tabs {
  top: 22px;
  display: flex;
  align-self: start;
  flex-direction: column;
  margin: 0;
  border-radius: var(--radius-lg);
}

.guide-layout .toc-tabs a {
  width: 100%;
}

.guide-content {
  min-width: 0;
}

.guide-content > .callout {
  margin-top: 0;
  margin-bottom: 42px;
}

.guide-step {
  position: relative;
  padding-top: 34px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--color-border-soft);
}

.guide-step:first-of-type {
  padding-top: 12px;
}

.guide-step:last-of-type {
  border-bottom: 0;
}

.step-heading {
  position: relative;
  margin-bottom: 24px;
  padding: 26px clamp(22px, 4vw, 38px);
  overflow: clip;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.step-heading::after {
  position: absolute;
  top: -16px;
  right: -10px;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: var(--color-pink);
  content: "";
  opacity: 0.22;
  transform: rotate(14deg);
}

.guide-step:nth-of-type(even) .step-heading {
  background: var(--color-panel-raised);
}

.guide-step:nth-of-type(even) .step-heading::after {
  background: var(--color-lime);
}

.step-code,
.platform-label {
  display: inline-flex;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.step-heading h2 {
  position: relative;
  z-index: 1;
  margin: 8px 0 0;
  font-size: clamp(1.7rem, 3.4vw, 2.55rem);
}

.guide-step > p,
.platform-instruction p {
  color: var(--color-text-muted);
}

.guide-step > p {
  max-width: 52rem;
  font-size: 1.02rem;
}

.guide-link {
  color: var(--color-warning);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 4px;
}

.guide-link:hover {
  color: var(--color-text);
}

.step-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  padding: 20px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  background: var(--color-panel-glass);
}

.step-action span {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.platform-instructions {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.platform-instruction {
  position: relative;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.platform-instruction:nth-child(even) {
  background: var(--color-panel-raised);
}

.platform-instruction::before {
  position: absolute;
  top: 26px;
  right: 26px;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--color-accent);
  content: "";
}

.platform-instruction:nth-child(2)::before {
  background: var(--color-coral);
}

.platform-instruction:nth-child(3)::before {
  background: var(--color-lime);
}

.platform-instruction:nth-child(4)::before {
  background: var(--color-pink);
}

.platform-instruction:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.platform-instruction h3 {
  margin: 8px 42px 14px 0;
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
}

.platform-instruction p:last-child {
  margin-bottom: 0;
}

.verification-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.verification-grid article {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.verification-grid article:nth-child(2) {
  background: var(--color-panel-raised);
}

.verification-mark {
  display: inline-grid;
  min-width: 44px;
  min-height: 38px;
  place-items: center;
  padding-inline: 9px;
  border-radius: var(--radius-md);
  color: var(--color-ink);
  background: var(--color-lime);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 900;
}

.verification-grid article:nth-child(2) .verification-mark {
  background: var(--color-accent);
}

.verification-grid article:nth-child(3) .verification-mark {
  background: var(--color-pink);
}

.verification-grid h3 {
  margin: 16px 0 9px;
  font-size: 1.08rem;
}

.verification-grid p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.next-route {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: 34px;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-card);
}

.next-route h2 {
  margin: 10px 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.next-route p {
  max-width: 40rem;
  margin: 0;
  color: var(--color-text-muted);
}

@media (max-width: 980px) {
  .tutorial-hero-grid {
    grid-template-columns: 1fr;
  }

  .route-steps {
    width: 100%;
    max-width: 680px;
    min-height: 360px;
    transform: none;
  }

  .guide-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .guide-layout .toc-tabs {
    top: 8px;
    z-index: 25;
    flex-direction: row;
    border-radius: var(--radius-pill);
  }

  .guide-layout .toc-tabs a {
    width: auto;
  }

  .next-route {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .tutorial-hero {
    padding-top: 58px;
    padding-bottom: 62px;
  }

  .tutorial-hero::before,
  .tutorial-hero::after {
    display: none;
  }

  .route-steps {
    min-height: 310px;
    padding: 24px;
    gap: 8px;
  }

  .route-block {
    padding: 10px;
  }

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

@media (max-width: 640px) {
  .tutorial-trust {
    align-items: stretch;
    flex-direction: column;
  }

  .tutorial-trust .badge {
    width: 100%;
  }

  .route-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(3, minmax(82px, auto));
    min-height: 0;
    padding: 20px;
  }

  .route-track {
    display: none;
  }

  .route-block-accent {
    grid-column: 1;
    grid-row: 1;
  }

  .route-block-coral {
    grid-column: 2;
    grid-row: 1;
  }

  .route-block-lime {
    grid-column: 1;
    grid-row: 2;
  }

  .route-block-pink {
    grid-column: 2;
    grid-row: 2;
  }

  .route-block-final {
    grid-column: 1 / 3;
    grid-row: 3;
  }

  .guide-layout .toc-tabs {
    width: 100%;
    border-radius: var(--radius-md);
  }

  .guide-step {
    padding-top: 24px;
    padding-bottom: 50px;
  }

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

  .step-action .btn {
    width: 100%;
  }

  .platform-instruction {
    border-radius: var(--radius-lg);
  }

  .next-route .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .next-route .btn {
    width: 100%;
  }
}