.tutorial-hero {
  position: relative;
  min-height: calc(46rem - var(--header-height));
  overflow-x: clip;
  border-bottom: var(--border-thin) solid var(--color-soft-line);
}

.tutorial-hero::before {
  position: absolute;
  top: 8%;
  right: -8%;
  width: 62%;
  height: 82%;
  content: "";
  border-radius: var(--radius-xlarge);
  background: radial-gradient(circle at 42% 48%, var(--color-forest-light), var(--color-transparent) 68%);
  filter: blur(18px);
  pointer-events: none;
}

.tutorial-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(30rem, 1.08fr);
  align-items: center;
  min-height: calc(46rem - var(--header-height));
  gap: var(--space-7);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.tutorial-hero-copy {
  min-width: 0;
  max-width: 39rem;
}

.tutorial-lead {
  max-width: 37rem;
  margin: var(--space-5) 0 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-lead);
}

.tutorial-route {
  position: relative;
  min-width: 0;
  padding: var(--space-5);
}

.tutorial-route::before {
  position: absolute;
  inset: 14% 8%;
  content: "";
  border: var(--border-thin) solid var(--color-soft-line);
  border-radius: 48% 52% 44% 56%;
  background: linear-gradient(145deg, var(--color-soft-accent), var(--color-transparent));
  box-shadow: var(--shadow-leaf);
  transform: rotate(-6deg);
}

.tutorial-route svg {
  position: relative;
  z-index: 1;
  width: 100%;
  color: var(--color-accent);
  filter: drop-shadow(var(--shadow-leaf));
}

.tutorial-route-stem,
.tutorial-route-branch {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tutorial-route-stem {
  stroke: var(--color-accent);
  stroke-width: 8;
}

.tutorial-route-branch {
  stroke: var(--color-success);
  stroke-width: 3;
  stroke-dasharray: 7 9;
  opacity: 0.68;
}

.tutorial-route-node {
  fill: var(--color-accent);
  stroke: var(--color-bg);
  stroke-width: 5;
  filter: drop-shadow(0 0 0.65rem var(--color-glow));
  transform-box: fill-box;
  transform-origin: center;
  animation: tutorial-node-pulse 3.6s ease-in-out infinite;
}

.tutorial-node-later {
  animation-delay: 0.8s;
}

.tutorial-route-label rect {
  fill: var(--color-panel);
  stroke: var(--color-border);
  stroke-width: 1;
}

.tutorial-route-label text {
  fill: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
}

.tutorial-intro {
  padding-top: var(--space-7);
}

.tutorial-intro .callout a,
.tutorial-step a:not(.button) {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-dark);
  text-underline-offset: 0.2em;
}

.tutorial-principle {
  margin-top: var(--space-8);
}

.tutorial-principle h2 {
  margin-top: var(--space-3);
}

.tutorial-principle p {
  margin: var(--space-4) 0 0;
  color: var(--color-text-muted);
}

.tutorial-step-layout {
  display: grid;
  grid-template-columns: minmax(9rem, 0.32fr) minmax(0, 1.68fr);
  align-items: stretch;
  gap: var(--space-7);
}

.tutorial-step-offset .tutorial-step {
  margin-right: clamp(0rem, 5vw, var(--space-9));
}

.tutorial-step-marker {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  align-self: stretch;
  justify-content: flex-end;
  gap: var(--space-4);
}

.tutorial-step-marker::after {
  position: absolute;
  top: 0;
  right: calc(var(--space-3) - var(--border-thin));
  bottom: 0;
  width: var(--border-strong);
  content: "";
  border-radius: var(--radius-pill);
  background: linear-gradient(var(--color-transparent), var(--color-accent), var(--color-transparent));
  box-shadow: 0 0 1rem var(--color-glow);
}

.tutorial-step-marker .kicker {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.tutorial-marker-dot {
  position: relative;
  z-index: 1;
  width: var(--space-5);
  height: var(--space-5);
  flex-shrink: 0;
  border: var(--border-strong) solid var(--color-bg);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 1.25rem var(--color-glow);
}

.tutorial-step {
  padding: var(--space-8);
  border-radius: var(--radius-xlarge);
}

.tutorial-step h2 {
  max-width: 44rem;
  margin-bottom: var(--space-5);
}

.tutorial-step p {
  color: var(--color-text-muted);
}

.tutorial-step > .button {
  margin-top: var(--space-3);
}

.tutorial-platform-section::before {
  position: absolute;
  top: 16%;
  left: -18%;
  width: 48%;
  height: 56%;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-glow-soft), var(--color-transparent) 70%);
  pointer-events: none;
}

.tutorial-platform-path {
  position: relative;
  display: grid;
  gap: var(--space-5);
}

.tutorial-platform-path::before {
  position: absolute;
  top: var(--space-7);
  bottom: var(--space-7);
  left: calc(12rem + var(--space-7));
  width: var(--border-strong);
  content: "";
  border-radius: var(--radius-pill);
  background: linear-gradient(var(--color-accent-dark), var(--color-accent), var(--color-accent-dark));
  box-shadow: 0 0 1rem var(--color-glow-soft);
}

.tutorial-platform-entry {
  position: relative;
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: calc(var(--space-7) * 2);
  min-width: 0;
  padding: var(--space-6);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-large);
  background: linear-gradient(135deg, var(--color-panel), var(--color-panel-strong));
}

.tutorial-platform-entry::before {
  position: absolute;
  top: var(--space-8);
  left: calc(12rem + var(--space-7) - var(--space-2));
  z-index: 1;
  width: var(--space-4);
  height: var(--space-4);
  content: "";
  border: var(--border-strong) solid var(--color-bg);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 1rem var(--color-glow);
}

.tutorial-platform-label {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-4);
}

.tutorial-platform-label h3 {
  font-size: var(--font-size-lead);
}

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

.tutorial-platform-copy p {
  color: var(--color-text-muted);
}

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

.tutorial-complete {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: var(--border-thin) solid var(--color-soft-line);
}

.tutorial-complete p {
  margin: 0;
}

.tutorial-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-7);
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
  border-top: var(--border-thin) solid var(--color-border);
}

.tutorial-next h2 {
  margin-top: var(--space-3);
  font-size: clamp(1.75rem, 4vw, 3rem);
}

.tutorial-next p {
  max-width: 48rem;
  margin: var(--space-3) 0 0;
  color: var(--color-text-muted);
}

.tutorial-next-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-3);
}

@keyframes tutorial-node-pulse {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(0.88);
  }

  50% {
    opacity: 1;
    transform: scale(1.16);
  }
}

@media (max-width: 64rem) {
  .tutorial-hero {
    min-height: auto;
  }

  .tutorial-hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .tutorial-hero-copy {
    max-width: 44rem;
  }

  .tutorial-route {
    width: min(100%, 38rem);
    margin-inline: auto;
  }

  .tutorial-step-layout {
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: var(--space-5);
  }

  .tutorial-platform-path::before {
    left: calc(9rem + var(--space-5));
  }

  .tutorial-platform-entry {
    grid-template-columns: 9rem minmax(0, 1fr);
    gap: calc(var(--space-5) * 2);
  }

  .tutorial-platform-entry::before {
    left: calc(9rem + var(--space-5) - var(--space-2));
  }

  .tutorial-platform-label {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .tutorial-next-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 40rem) {
  .tutorial-hero-inner {
    padding-top: var(--space-8);
    padding-bottom: var(--space-7);
    gap: var(--space-5);
  }

  .tutorial-route {
    padding: 0;
  }

  .tutorial-step-layout {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .tutorial-step-offset .tutorial-step {
    margin-right: 0;
  }

  .tutorial-step-marker {
    min-height: var(--space-6);
    justify-content: flex-start;
  }

  .tutorial-step-marker::after {
    top: 50%;
    right: 0;
    bottom: auto;
    left: 0;
    width: 100%;
    height: var(--border-strong);
    background: linear-gradient(90deg, var(--color-accent), var(--color-transparent));
  }

  .tutorial-step-marker .kicker {
    position: relative;
    z-index: 2;
    padding-right: var(--space-3);
    background: var(--color-bg);
    writing-mode: horizontal-tb;
    transform: none;
  }

  .tutorial-marker-dot {
    display: none;
  }

  .tutorial-step {
    padding: var(--space-5);
    border-radius: var(--radius-medium);
  }

  .tutorial-platform-path {
    gap: var(--space-4);
  }

  .tutorial-platform-path::before,
  .tutorial-platform-entry::before {
    display: none;
  }

  .tutorial-platform-entry {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    padding: var(--space-5);
    border-radius: var(--radius-medium);
  }

  .tutorial-platform-label {
    align-items: center;
    flex-direction: row;
  }

  .tutorial-complete {
    grid-template-columns: 1fr;
  }

  .tutorial-next-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

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

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