.tutorial-hero {
  position: relative;
  padding-top: clamp(36px, 6vw, 82px);
  padding-bottom: clamp(58px, 8vw, 104px);
  overflow-x: clip;
}

.tutorial-hero::before {
  position: absolute;
  top: 10%;
  right: -8%;
  width: min(48vw, 660px);
  aspect-ratio: 1.4;
  border-radius: var(--radius-pill);
  background:
    radial-gradient(circle at 28% 30%, var(--color-sun-soft), transparent 62%),
    radial-gradient(circle at 72% 68%, var(--color-dusk-soft), transparent 66%);
  content: "";
  filter: blur(28px);
  pointer-events: none;
}

.tutorial-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: clamp(32px, 7vw, 96px);
}

.tutorial-hero-copy h1 {
  max-width: 760px;
  margin-top: 20px;
  margin-bottom: 22px;
}

.tutorial-hero-copy .lead {
  margin-bottom: 26px;
}

.tutorial-route {
  position: relative;
  padding: clamp(24px, 4vw, 38px);
  overflow: hidden;
  transform: rotate(-1deg);
  box-shadow: var(--shadow-window);
}

.tutorial-route::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--color-sun), var(--color-dusk));
  content: "";
}

.tutorial-route-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 26px;
}

.route-overview {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: route-step;
}

.route-overview li {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 0.7fr) minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 56px;
  counter-increment: route-step;
}

.route-overview li::before {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  color: var(--color-panel);
  content: counter(route-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.route-overview li:not(:last-child)::after {
  position: absolute;
  top: 42px;
  bottom: -14px;
  left: 14px;
  border-left: 1px dashed var(--color-border);
  content: "";
}

.route-overview span {
  font-weight: 800;
}

.route-overview small {
  color: var(--color-muted);
  font-size: 13px;
}

.tutorial-route-line {
  width: 100%;
  margin-top: 18px;
  color: var(--color-accent);
}

.tutorial-route > p {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.tutorial-reading {
  padding-bottom: var(--section-space);
}

.tutorial-reading > .callout {
  margin-top: 0;
  margin-bottom: 56px;
}

.tutorial-reading a:not(.btn):not(.toc-tabs a) {
  color: var(--color-accent);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.tutorial-step {
  position: relative;
  padding-top: clamp(42px, 7vw, 78px);
  padding-bottom: clamp(42px, 7vw, 78px);
  border-bottom: 1px solid var(--color-border);
}

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

.tutorial-step h2 {
  max-width: 720px;
}

.tutorial-step > p,
.platform-instruction p {
  font-size: 17px;
}

.step-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.step-meta span:first-child {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  color: var(--color-panel);
}

.step-meta span + span::before {
  margin-right: 12px;
  color: var(--color-border);
  content: "/";
}

.step-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  margin-top: 28px;
  padding: 20px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.step-action strong {
  display: block;
  margin-bottom: 3px;
}

.step-action p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.platform-instructions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--grid-gap);
  margin-top: 30px;
  margin-bottom: 30px;
}

.platform-instruction {
  padding: clamp(22px, 4vw, 32px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.platform-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.platform-heading h3 {
  margin: 0;
  font-size: 23px;
}

.platform-symbol {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-sun);
  border-radius: var(--radius-sm);
  background: var(--color-panel-soft);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
}

.platform-instruction p {
  color: var(--color-muted);
}

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

.verify-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.verify-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.verify-mark {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  margin-bottom: 16px;
  padding: 3px 9px;
  border: 1px solid var(--color-sun);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
}

.verify-card strong {
  display: block;
  margin-bottom: 6px;
}

.verify-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.completion-panel {
  position: relative;
  margin-top: 38px;
  padding: clamp(26px, 5vw, 42px);
  overflow: hidden;
}

.completion-panel::after {
  position: absolute;
  right: -54px;
  bottom: -68px;
  width: 180px;
  height: 180px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-sun-soft), transparent 68%);
  content: "";
  pointer-events: none;
}

.completion-panel h3,
.completion-panel p,
.completion-panel .button-row {
  position: relative;
  z-index: 1;
}

.completion-panel h3 {
  margin-top: 16px;
}

.completion-panel p {
  color: var(--color-muted);
}

@media (max-width: 980px) {
  .tutorial-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .tutorial-route {
    transform: none;
  }
}

@media (max-width: 768px) {
  .tutorial-hero {
    padding-top: 28px;
    padding-bottom: 58px;
  }

  .tutorial-hero::before {
    top: 34%;
    right: -32%;
    width: 92vw;
  }

  .tutorial-reading > .callout {
    margin-bottom: 32px;
  }

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

  .platform-instructions,
  .verify-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .step-action {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .tutorial-step > p,
  .platform-instruction p {
    font-size: 16px;
  }
}

@media (max-width: 520px) {
  .tutorial-route {
    padding: 22px 18px;
  }

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

  .route-overview li {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .route-overview small {
    grid-column: 2;
    margin-top: -12px;
  }

  .platform-instruction,
  .verify-card,
  .step-action {
    padding: 18px;
  }
}

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