.page-products .exp-hero {
  position: relative;
  padding: clamp(1rem, 3.5vw, 2rem) 0 clamp(2rem, 5vw, 3.25rem);
  background:
    radial-gradient(920px 460px at 88% -18%, rgba(54, 241, 205, 0.18), transparent 62%),
    radial-gradient(720px 420px at 0% 112%, rgba(69, 28, 39, 0.55), transparent 70%),
    linear-gradient(180deg, var(--ak-ink-850) 0%, var(--ak-ink-950) 100%);
  border-bottom: 1px solid var(--ak-line-soft);
}

.page-products .exp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: end;
}

.page-products .exp-hero h1 {
  margin: 0.55rem 0 0.9rem;
  font-size: clamp(1.85rem, 6.6vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  font-weight: 900;
  color: var(--ak-paper);
}

.page-products .exp-lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(0.95rem, 2.4vw, 1.0625rem);
  line-height: 1.75;
  color: var(--ak-mist);
}

.page-products .exp-switch__label {
  margin: 0 0 0.65rem;
  font-family: var(--ak-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ak-cyan);
}

.page-products .exp-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .exp-switch__pill {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.05rem;
  border-radius: var(--ak-pill);
  border: 1px solid var(--ak-line);
  background: rgba(15, 59, 51, 0.55);
  color: var(--ak-paper);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-products .exp-switch__pill:hover,
.page-products .exp-switch__pill:focus-visible {
  border-color: var(--ak-cyan);
  background: rgba(54, 241, 205, 0.12);
  color: var(--ak-cyan);
  outline: none;
}

.page-products .exp-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 0.6rem;
  margin: 1.15rem 0 0;
}

.page-products .exp-facts > div {
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--ak-line-soft);
  border-radius: var(--ak-radius-sm);
  background: rgba(8, 36, 29, 0.6);
}

.page-products .exp-facts dt {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ak-mist);
}

.page-products .exp-facts dd {
  margin: 0.25rem 0 0;
  font-family: var(--ak-font-mono);
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--ak-paper);
}

.page-products .exp-facts dd .ak-num {
  color: var(--ak-cyan);
  font-size: 1.15rem;
}

.page-products .exp-section {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .ak-chapter-band {
  margin-bottom: 1.75rem;
}

.page-products .exp-top-media {
  margin: 0 0 1.5rem;
}

.page-products .exp-device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .exp-device {
  padding: 1.15rem 1.15rem 1.3rem;
  border: 1px solid var(--ak-line-soft);
  border-radius: var(--ak-radius-md);
  background: linear-gradient(158deg, rgba(15, 59, 51, 0.72), rgba(4, 18, 15, 0.92));
  scroll-margin-top: 6.5rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-products .exp-device:target {
  border-color: var(--ak-cyan);
  box-shadow: 0 0 0 1px rgba(54, 241, 205, 0.35), 0 0 34px rgba(54, 241, 205, 0.16);
}

.page-products .exp-device__tag {
  display: inline-block;
  margin: 0 0 0.7rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--ak-pill);
  border: 1px solid var(--ak-line);
  font-family: var(--ak-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--ak-cyan);
}

.page-products .exp-device__title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.125rem, 3vw, 1.3rem);
  line-height: 1.25;
  color: var(--ak-paper);
}

.page-products .exp-device__req {
  margin: 0 0 0.75rem;
  font-family: var(--ak-font-mono);
  font-size: 0.78rem;
  color: var(--ak-orange);
}

.page-products .exp-device p {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--ak-mist);
}

.page-products .exp-device__foot {
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--ak-line-soft);
  font-size: 0.85rem;
  color: var(--ak-mist);
  opacity: 0.9;
}

.page-products .exp-rules {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-products .exp-rules__media {
  margin: 0;
}

.page-products .exp-rules__body > p {
  margin: 0 0 1.1rem;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ak-mist);
}

.page-products .exp-fold {
  margin-bottom: 0.65rem;
  padding: 0.1rem 1.05rem;
  border: 1px solid var(--ak-line-soft);
  border-radius: var(--ak-radius-md);
  background: rgba(8, 36, 29, 0.72);
}

.page-products .exp-fold summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 0;
  list-style: none;
  cursor: pointer;
  font-size: 0.9875rem;
  font-weight: 700;
  color: var(--ak-paper);
}

.page-products .exp-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .exp-fold summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--ak-font-mono);
  font-size: 1.1rem;
  color: var(--ak-cyan);
}

.page-products .exp-fold[open] summary::after {
  content: "−";
}

.page-products .exp-fold[open] summary {
  border-bottom: 1px solid var(--ak-line-soft);
}

.page-products .exp-fold p {
  margin: 0.85rem 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--ak-mist);
}

.page-products .exp-league {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-products .exp-league__media {
  margin: 0;
}

.page-products .exp-league__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}

.page-products .exp-chip {
  padding: 0.4rem 0.95rem;
  border-radius: var(--ak-pill);
  border: 1px solid var(--ak-line);
  background: rgba(26, 34, 68, 0.7);
  font-size: 0.85rem;
  color: var(--ak-paper);
}

.page-products .exp-chip--add {
  border-style: dashed;
  border-color: var(--ak-cyan);
  color: var(--ak-cyan);
  background: transparent;
}

.page-products .exp-league__body > p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ak-mist);
}

.page-products .exp-league__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-products .exp-league__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--ak-mist);
}

.page-products .exp-league__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ak-cyan);
}

.page-products .exp-league__list strong {
  color: var(--ak-paper);
}

.page-products .exp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-products .exp-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.95rem;
  align-items: start;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--ak-line-soft);
  border-radius: var(--ak-radius-md);
  background: linear-gradient(118deg, rgba(26, 34, 68, 0.78), rgba(4, 18, 15, 0.9));
}

.page-products .exp-step__num {
  font-family: var(--ak-font-mono);
  font-size: clamp(1.6rem, 5vw, 2.35rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ak-cyan);
}

.page-products .exp-step__body h3 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.05rem, 2.8vw, 1.2rem);
  line-height: 1.3;
  color: var(--ak-paper);
}

.page-products .exp-step__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ak-mist);
}

.page-products .exp-steps__media {
  margin: 1.5rem 0 0;
}

.page-products .exp-version {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-products .exp-version__body > p {
  margin: 0 0 1.3rem;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ak-mist);
}

.page-products .exp-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.15rem;
  border-left: 2px solid var(--ak-line);
  display: grid;
  gap: 1.25rem;
}

.page-products .exp-timeline__item {
  position: relative;
}

.page-products .exp-timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-1.15rem - 1px);
  top: 0.5rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ak-cyan);
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px rgba(54, 241, 205, 0.14);
}

.page-products .exp-timeline__item:last-child::before {
  background: var(--ak-orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 26, 0.16);
}

.page-products .exp-timeline__year {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-family: var(--ak-font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--ak-orange);
}

.page-products .exp-timeline__item h3 {
  margin: 0 0 0.3rem;
  font-size: clamp(1.05rem, 2.8vw, 1.2rem);
  line-height: 1.32;
  color: var(--ak-paper);
}

.page-products .exp-timeline__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--ak-mist);
}

.page-products .exp-version__side {
  display: grid;
  gap: 1.25rem;
}

.page-products .exp-version__side .ak-media {
  margin: 0;
}

.page-products .exp-requirement {
  padding: 1.15rem 1.15rem 1.25rem;
  border: 1px solid var(--ak-line-soft);
  border-radius: var(--ak-radius-md);
  background: rgba(15, 59, 51, 0.55);
}

.page-products .exp-requirement h3 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--ak-paper);
}

.page-products .exp-requirement__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-products .exp-requirement__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed var(--ak-line-soft);
  font-size: 0.875rem;
}

.page-products .exp-requirement__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-products .exp-requirement__list span {
  color: var(--ak-mist);
}

.page-products .exp-requirement__list b {
  font-family: var(--ak-font-mono);
  font-weight: 500;
  color: var(--ak-paper);
}

.page-products .exp-requirement__note {
  margin: 0.9rem 0 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--ak-mist);
}

.page-products .exp-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-products .exp-link {
  display: block;
  padding: 1.15rem 1.2rem 1.25rem;
  border: 1px solid var(--ak-line-soft);
  border-radius: var(--ak-radius-md);
  background: rgba(8, 36, 29, 0.62);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-products .exp-link:hover,
.page-products .exp-link:focus-visible {
  border-color: var(--ak-cyan);
  background: rgba(15, 59, 51, 0.85);
  transform: translateY(-2px);
  outline: none;
}

.page-products .exp-link__tag {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.18rem 0.6rem;
  border-radius: var(--ak-pill);
  background: rgba(26, 34, 68, 0.9);
  font-family: var(--ak-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--ak-cyan);
}

.page-products .exp-link h3 {
  margin: 0 0 0.4rem;
  font-size: 1.0625rem;
  line-height: 1.34;
  color: var(--ak-paper);
}

.page-products .exp-link p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--ak-mist);
}

@media (min-width: 720px) {
  .page-products .exp-device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .exp-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .exp-step {
    padding: 1.25rem 1.5rem;
    gap: 1.35rem;
  }
}

@media (min-width: 900px) {
  .page-products .exp-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 2.5rem;
  }

  .page-products .exp-rules,
  .page-products .exp-league,
  .page-products .exp-version {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 2rem;
  }

  .page-products .exp-version {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-products .exp-league__media {
    position: sticky;
    top: 6.5rem;
  }

  .page-products .exp-rules__media {
    position: sticky;
    top: 6.5rem;
  }

  .page-products .exp-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .exp-step {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 1.4rem 1.75rem;
  }

  .page-products .exp-steps {
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .exp-device,
  .page-products .exp-link,
  .page-products .exp-switch__pill {
    transition: none;
  }

  .page-products .exp-link:hover,
  .page-products .exp-link:focus-visible {
    transform: none;
  }
}