.page-products {
  --v-edge: 2px solid var(--line-moss);
  --v-gap: 20px;
  padding-bottom: 8px;
}

.page-products .hero-versions {
  padding-top: 20px;
  padding-bottom: 4px;
}

.page-products .hero-versions .page-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--bone);
  margin: 10px 0 0;
  max-width: 18em;
}

.page-products .hero-versions .lede {
  color: var(--fog);
  font-size: 16px;
  line-height: 1.85;
  margin-top: 16px;
  max-width: 42em;
}

.page-products .hero-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 2px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--line-moss);
  border: var(--v-edge);
}

.page-products .hero-facts li {
  background: var(--pitch-void);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 88px;
}

.page-products .hero-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 6vw, 40px);
  font-weight: 600;
  line-height: 1;
  color: var(--signal);
  letter-spacing: -0.02em;
}

.page-products .hero-facts__num--amber {
  color: var(--amber);
}

.page-products .hero-facts__unit {
  font-size: 0.46em;
  margin-left: 3px;
  color: var(--fog);
  letter-spacing: 0;
}

.page-products .hero-facts__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

.page-products .version-switch {
  position: sticky;
  top: 0;
  z-index: 12;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--line-moss);
  border-top: var(--v-edge);
  border-bottom: var(--v-edge);
  margin-top: 26px;
}

.page-products .version-switch a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 8px 10px;
  background: var(--panel-ink);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease;
}

.page-products .version-switch a:hover,
.page-products .version-switch a:focus-visible {
  background: var(--signal);
  color: var(--pitch-void);
}

.page-products .version-switch a:focus-visible {
  outline: 2px solid var(--bone);
  outline-offset: -4px;
}

.page-products .overview {
  padding-top: 34px;
}

.page-products .compare__sub {
  color: var(--fog);
  font-size: 15px;
  line-height: 1.8;
  margin: 10px 0 0;
  max-width: 40em;
}

.page-products .version-grid {
  display: grid;
  gap: var(--v-gap);
  margin-top: 24px;
}

.page-products .version-card {
  background: var(--panel-ink);
  border: var(--v-edge);
  box-shadow: var(--shadow-hard);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-margin-top: 90px;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.page-products .version-card:hover,
.page-products .version-card:focus-within,
.page-products .version-card:target {
  border-color: var(--signal);
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}

.page-products .version-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .version-card__code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--fog);
  margin: 0;
}

.page-products .version-card__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--bone);
  margin: 0;
}

.page-products .version-card .media__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media__caption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
  margin: 8px 0 0;
}

.page-products .version-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .version-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bone);
}

.page-products .version-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--signal);
}

.page-products #regular .version-card__list li::before {
  background: var(--amber);
}

.page-products .version-card__fit {
  margin: 0;
  padding: 12px 14px;
  border-left: 3px solid var(--signal);
  background: var(--turf-deep);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-products #regular .version-card__fit {
  border-left-color: var(--amber);
}

.page-products .compare {
  margin-top: 46px;
  padding: 34px 0 38px;
  background: var(--turf-deep);
  border-top: var(--v-edge);
  border-bottom: var(--v-edge);
}

.page-products .speed-board {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.page-products .speed-board__media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--v-edge);
  box-shadow: var(--shadow-hard);
}

.page-products .speed-row {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .speed-row__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--fog);
}

.page-products .speed-row__track {
  height: 20px;
  background: var(--pitch-void);
  border: 2px solid var(--line-moss);
  overflow: hidden;
}

.page-products .speed-row__fill {
  height: 100%;
  transition: width 220ms ease;
}

.page-products .speed-row__fill.is-stable {
  width: 66.7%;
  background: var(--signal);
}

.page-products .speed-row__fill.is-regular {
  width: 100%;
  background: var(--amber);
}

.page-products .speed-board__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .dim-list {
  margin-top: 30px;
}

.page-products .dim {
  border-top: var(--v-edge);
  background: transparent;
}

.page-products .dim:last-child {
  border-bottom: var(--v-edge);
}

.page-products .dim summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
  min-height: 58px;
  padding: 12px 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .dim summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.page-products .dim__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--bone);
  letter-spacing: 0.01em;
}

.page-products .dim__verdict {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--signal);
  border: 1px solid var(--line-moss);
  padding: 4px 9px;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-products .dim[open] .dim__verdict {
  background: var(--signal);
  color: var(--pitch-void);
  border-color: var(--signal);
}

.page-products .dim__body {
  padding: 2px 4px 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
  max-width: 46em;
}

.page-products .scene {
  padding-top: 38px;
}

.page-products .scene-grid {
  display: grid;
  gap: 2px;
  margin-top: 24px;
  background: var(--line-moss);
  border: var(--v-edge);
}

.page-products .scene-col {
  background: var(--pitch-void);
  padding: 24px 20px;
}

.page-products .scene-col--regular {
  background: var(--panel-ink);
}

.page-products .scene-col h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--bone);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line-moss);
}

.page-products .scene-col--stable h3 {
  border-bottom-color: var(--signal-dim);
}

.page-products .scene-col--regular h3 {
  border-bottom-color: var(--amber-deep);
}

.page-products .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .scene-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 10px;
  height: 2px;
  background: var(--signal-dim);
}

.page-products .scene-col--regular .scene-list li::before {
  background: var(--amber);
}

.page-products .steps {
  padding-top: 38px;
}

.page-products .steps-grid {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-products .steps-media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--v-edge);
  box-shadow: var(--shadow-hard);
}

.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .step {
  border: var(--v-edge);
  background: var(--panel-ink);
  transition: border-color 180ms ease;
}

.page-products .step[open] {
  border-color: var(--signal-dim);
}

.page-products .step summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .step summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -3px;
}

.page-products .step__no {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--amber);
  border: 1px solid var(--amber-deep);
  padding: 2px 8px;
  flex: none;
}

.page-products .step__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .step__body {
  padding: 0 16px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
}

.page-products .steps__tip {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .steps__tip a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .history {
  margin-top: 46px;
  padding: 34px 0 38px;
  background: var(--turf-deep);
  border-top: var(--v-edge);
  border-bottom: var(--v-edge);
}

.page-products .rail {
  margin-top: 22px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 14px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .rail:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.page-products .rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 14px;
}

.page-products .rail__item {
  flex: 0 0 auto;
  width: 252px;
  min-height: 180px;
  scroll-snap-align: start;
  background: var(--pitch-void);
  border: 2px solid var(--line-moss);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-products .rail__item:hover,
.page-products .rail__item:focus-within {
  border-color: var(--signal);
  transform: translateY(-2px);
}

.page-products .rail__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .rail__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--bone);
}

.page-products .rail__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-products .history-media {
  margin-top: 22px;
}

.page-products .history-media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--v-edge);
}

.page-products .support {
  padding-top: 38px;
  padding-bottom: 40px;
}

.page-products .support-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.page-products .support-card {
  padding: 22px 20px;
}

.page-products .support-card h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .support-card .copy-line {
  margin-bottom: 10px;
}

.page-products .support-card__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .support-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .support-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .support-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 9px;
  height: 2px;
  background: var(--signal);
}

.page-products .support-card__links {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .support-card__links a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 640px) {
  .page-products .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .version-card {
    padding: 24px 22px 26px;
  }

  .page-products .dim__name {
    font-size: 22px;
  }

  .page-products .rail__item {
    width: 272px;
  }
}

@media (min-width: 860px) {
  .page-products .speed-board {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 30px;
  }

  .page-products .scene-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .steps-grid {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: start;
    gap: 30px;
  }

  .page-products .support-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 980px) {
  .page-products .version-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }

  .page-products .version-card__title {
    font-size: 23px;
  }

  .page-products .overview,
  .page-products .scene,
  .page-products .steps,
  .page-products .support {
    padding-top: 48px;
  }

  .page-products .compare,
  .page-products .history {
    margin-top: 56px;
    padding: 46px 0 50px;
  }

  .page-products .hero-versions {
    padding-top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .version-card,
  .page-products .version-switch a,
  .page-products .dim__verdict,
  .page-products .step,
  .page-products .rail__item,
  .page-products .speed-row__fill {
    transition: none;
  }

  .page-products .version-card:hover,
  .page-products .version-card:focus-within,
  .page-products .version-card:target,
  .page-products .rail__item:hover,
  .page-products .rail__item:focus-within {
    transform: none;
  }
}