.tutorial-hero {
  position: relative;
  overflow-x: clip;
  max-width: 100%;
  background: linear-gradient(180deg, var(--color-hero-top), var(--color-hero-bottom));
}

.tutorial-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image: var(--noise-image);
  opacity: .03;
  mix-blend-mode: multiply;
}

.tutorial-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  align-items: center;
  gap: 56px;
}

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

.tutorial-kicker,
.step-label {
  margin-bottom: 10px;
  color: var(--color-danger);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.tutorial-hero h1 {
  max-width: 780px;
}

.tutorial-lead {
  max-width: 760px;
  margin-bottom: 26px;
  color: var(--color-text-muted);
  font-size: 19px;
}

.tutorial-route-card {
  position: relative;
  overflow: hidden;
}

.tutorial-route-card::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 5px;
  content: "";
  background: linear-gradient(90deg, var(--color-sky-peach), var(--color-danger));
}

.tutorial-route-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: tutorial-route;
}

.tutorial-route-list li {
  position: relative;
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  min-height: 48px;
  padding-left: 38px;
  counter-increment: tutorial-route;
}

.tutorial-route-list li + li {
  border-top: 1px solid var(--color-line);
}

.tutorial-route-list li::before {
  position: absolute;
  left: 0;
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: var(--radius-pill);
  color: var(--color-paper);
  background: var(--color-accent);
  content: counter(tutorial-route);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
}

.tutorial-route-list span {
  color: var(--color-accent);
  font-weight: 750;
}

.tutorial-route-list small {
  color: var(--color-text-muted);
  font-size: 12px;
  text-align: right;
}

.tutorial-guide {
  max-width: 980px;
}

.tutorial-opening-note {
  margin-top: 0;
  margin-bottom: 32px;
}

.tutorial-step {
  padding-top: 54px;
  padding-bottom: 54px;
}

.tutorial-step + .tutorial-step {
  border-top: 1px solid var(--color-line);
}

.tutorial-step > p {
  max-width: 850px;
}

.tutorial-step h2 {
  max-width: 820px;
}

.tutorial-action-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin-top: 30px;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  box-shadow: var(--shadow-panel);
}

.tutorial-action-line strong {
  color: var(--color-accent);
}

.tutorial-action-line p {
  margin: 3px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.tutorial-inline-link {
  color: var(--color-danger);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: var(--color-line);
  text-underline-offset: 4px;
}

.tutorial-inline-link:hover {
  text-decoration-color: var(--color-danger);
}

.platform-instructions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.platform-instruction {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  box-shadow: var(--shadow-panel);
}

.platform-instruction:last-child {
  grid-column: 1 / -1;
}

.platform-instruction-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 16px;
}

.platform-instruction-head .platform-icon {
  margin-bottom: 0;
}

.platform-instruction-head h3 {
  margin: 0;
}

.platform-instruction p {
  color: var(--color-text-muted);
  font-size: 15px;
}

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

.tutorial-finish-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
  padding: 30px;
  border-radius: var(--radius-lg);
  color: var(--color-paper);
  background: linear-gradient(135deg, var(--color-accent-warm), var(--color-accent-deep));
  box-shadow: var(--shadow-window);
}

.tutorial-finish-card h3 {
  margin-top: 15px;
  color: var(--color-paper);
}

.tutorial-finish-card p {
  margin-bottom: 0;
  color: var(--color-line);
}

.tutorial-finish-card .badge {
  background: var(--color-paper);
}

.tutorial-finish-card .btn {
  color: var(--color-accent);
  background: var(--color-paper);
  border-color: var(--color-paper);
}

@media (max-width: 900px) {
  .tutorial-hero-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .tutorial-route-card {
    max-width: 680px;
  }
}

@media (max-width: 768px) {
  .tutorial-lead {
    font-size: 17px;
  }

  .platform-instructions {
    grid-template-columns: 1fr;
  }

  .platform-instruction:last-child {
    grid-column: auto;
  }

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

@media (max-width: 640px) {
  .tutorial-hero-grid {
    gap: 28px;
  }

  .tutorial-route-list li {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .tutorial-route-list small {
    text-align: left;
  }

  .tutorial-step {
    padding-top: 42px;
    padding-bottom: 42px;
  }

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

  .tutorial-action-line .btn {
    width: 100%;
  }

  .platform-instruction,
  .tutorial-finish-card {
    padding: 20px;
  }

  .tutorial-finish-card .btn {
    width: 100%;
  }
}