.page-products {
  --products-gutter: clamp(1.25rem, 4vw, 3rem);
  --products-rule: 1px solid var(--line-soft);
}

.page-products .breadcrumb {
  margin-bottom: 1.75rem;
  font-size: 0.85rem;
  color: var(--c-steel);
}

.page-products .breadcrumb a {
  color: var(--c-steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .breadcrumb a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-coral);
}

.page-products .breadcrumb__sep {
  margin: 0 0.5rem;
  opacity: 0.6;
}

.page-products .page-head {
  padding-bottom: 2.5rem;
}

.page-products .eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
  margin-bottom: 1rem;
}

.page-products h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.4vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--c-white);
  margin: 0 0 1.25rem;
  max-width: 22ch;
}

.page-products .lede {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.85;
  color: var(--c-mist);
  max-width: 62ch;
  margin: 0 0 2rem;
}

.page-products .hero-actions {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0;
  margin: 0 0 2.5rem;
}

.page-products .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: var(--products-rule);
  border-radius: var(--radius-m);
  overflow: hidden;
  margin: 0;
}

.page-products .hero-facts > div {
  background: rgba(11, 43, 60, 0.55);
  padding: 1rem 1.15rem;
}

.page-products .hero-facts dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-steel);
  margin-bottom: 0.35rem;
}

.page-products .hero-facts dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--c-cyan);
}

/* ---- version rail hero ---- */
.page-products .rail-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0 3.25rem;
  border-top: var(--products-rule);
  border-bottom: var(--products-rule);
}

.page-products .rail-hero__label {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--c-steel);
  margin: 0 0 1rem;
}

.page-products .version-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .version-rail__item {
  position: relative;
  display: grid;
  gap: 0.15rem;
  padding: 0.85rem 1rem 0.85rem 1.6rem;
  border: var(--products-rule);
  border-left: 2px solid var(--line-mid);
  border-radius: var(--radius-s);
  background: rgba(11, 43, 60, 0.45);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .version-rail__item::before {
  content: "";
  position: absolute;
  left: 0.7rem;
  top: 1.15rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-steel);
}

.page-products .version-rail__item.is-active {
  border-left-color: var(--c-cyan);
  background: rgba(24, 224, 208, 0.08);
}

.page-products .version-rail__item.is-active::before {
  background: var(--c-cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}

.page-products .version-rail__code {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-products .version-rail__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--c-white);
}

.page-products .version-rail__note {
  font-size: 0.82rem;
  color: var(--c-steel);
}

.page-products .rail-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
  color: var(--c-white);
  margin: 0 0 0.9rem;
}

.page-products .rail-hero__text {
  color: var(--c-mist);
  line-height: 1.85;
  margin: 0 0 1.4rem;
  max-width: 56ch;
}

.page-products .os-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.page-products .os-strip span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line-mid);
  border-radius: 999px;
  color: var(--c-mist);
}

.page-products .device-outline {
  max-width: 460px;
  padding: 1rem;
  border-radius: var(--radius-m);
  background: radial-gradient(circle at 30% 30%, rgba(24, 224, 208, 0.1), transparent 65%);
  border: var(--products-rule);
}

/* ---- generic block ---- */
.page-products .block {
  padding: 3rem 0;
  border-bottom: var(--products-rule);
}

.page-products .block:last-of-type {
  border-bottom: 0;
}

.page-products .section-head {
  margin-bottom: 2rem;
}

.page-products .section-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
  margin: 0 0 0.5rem;
}

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.18;
  color: var(--c-white);
  margin: 0 0 0.6rem;
}

.page-products .section-note {
  color: var(--c-steel);
  line-height: 1.8;
  max-width: 60ch;
  margin: 0;
}

/* ---- matrix ---- */
.page-products .matrix-media {
  margin: 0 0 1.75rem;
}

.page-products table.version-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 640px;
}

.page-products .version-table caption {
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-steel);
  padding-bottom: 0.75rem;
}

.page-products .version-table thead th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-align: left;
  color: var(--c-cyan);
  background: rgba(11, 43, 60, 0.8);
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--line-mid);
}

.page-products .version-table tbody th,
.page-products .version-table tbody td {
  text-align: left;
  padding: 1rem 0.9rem;
  border-bottom: var(--products-rule);
  color: var(--c-mist);
  vertical-align: top;
  line-height: 1.7;
}

.page-products .version-table tbody th {
  color: var(--c-white);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .version-table tbody th .mono {
  font-size: 0.72rem;
  color: var(--c-cyan);
  letter-spacing: 0.08em;
}

.page-products .version-table tbody tr:nth-child(even) {
  background: rgba(217, 228, 236, 0.04);
}

.page-products .version-table tbody tr:hover {
  background: rgba(24, 224, 208, 0.06);
}

.page-products .matrix-foot {
  margin: 1.25rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--c-steel);
  max-width: 66ch;
  padding-left: 1rem;
  border-left: 2px solid var(--c-coral);
}

/* ---- install ---- */
.page-products .install-steps {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .install-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  border: var(--products-rule);
  border-radius: var(--radius-m);
  background: linear-gradient(135deg, rgba(11, 43, 60, 0.6), rgba(4, 28, 44, 0.4));
  transition: border-color var(--dur) var(--ease);
}

.page-products .install-step:hover {
  border-color: var(--line-mid);
}

.page-products .install-step__num {
  font-size: 1rem;
  color: var(--c-coral);
  letter-spacing: 0.06em;
  padding-top: 0.1rem;
}

.page-products .install-step__body h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-white);
}

.page-products .install-step__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .checksum {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.85rem;
  padding: 0.7rem 0.85rem;
  background: rgba(4, 28, 44, 0.75);
  border: 1px dashed var(--line-mid);
  border-radius: var(--radius-s);
}

.page-products .checksum__val {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  word-break: break-all;
}

.page-products .btn--copy {
  font-size: 0.78rem;
  padding: 0.35rem 0.75rem;
}

.page-products .copy-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-green);
  min-height: 1em;
}

.page-products .os-tips {
  display: grid;
  gap: 0.75rem;
}

.page-products .os-tip {
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--line-mid);
  background: rgba(11, 43, 60, 0.35);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}

.page-products .os-tip__os {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
  margin: 0 0 0.4rem;
}

.page-products .os-tip p:last-child {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---- query ---- */
.page-products .query-layout {
  display: grid;
  gap: 1.5rem;
}

.page-products .query-panel {
  padding: 1.4rem;
  align-self: start;
}

.page-products .query-panel__kicker {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
  margin: 0 0 1rem;
}

.page-products .month-picker {
  margin-bottom: 1.25rem;
}

.page-products .month-picker__label {
  display: block;
  font-size: 0.8rem;
  color: var(--c-steel);
  margin-bottom: 0.45rem;
}

.page-products .month-picker__select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--c-white);
  background: var(--c-ink);
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-s);
  padding: 0.6rem 0.7rem;
  transition: border-color var(--dur) var(--ease);
}

.page-products .month-picker__select:focus {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
  border-color: var(--c-cyan);
}

.page-products .filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
}

.page-products .filter-tag {
  font-family: var(--font-body);
  font-size: 0.78rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--line-mid);
  border-radius: 999px;
  background: transparent;
  color: var(--c-mist);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .filter-tag:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-products .filter-tag.is-on {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-deep);
  font-weight: 600;
}

.page-products .query-panel .tide-scale {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 60px;
  margin-bottom: 0.9rem;
  padding: 0 2px;
  border-bottom: 1px solid var(--line-mid);
}

.page-products .query-panel .tide-scale i {
  flex: 1;
  height: var(--h, 50%);
  background: linear-gradient(to top, var(--c-cyan), rgba(24, 224, 208, 0.15));
  border-radius: 2px 2px 0 0;
  transition: height var(--dur) var(--ease);
}

.page-products .query-panel__hint {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--c-steel);
}

.page-products .query-media {
  margin: 0 0 1.25rem;
}

.page-products .query-points {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .query-points li {
  position: relative;
  padding-left: 1.45rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .query-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 8px;
  height: 2px;
  background: var(--c-cyan);
}

.page-products .query-points .mono {
  color: var(--c-cyan);
  font-size: 0.85rem;
}

.page-products .query-cta {
  margin: 0;
}

/* ---- quota ---- */
.page-products .quota-grid {
  display: grid;
  gap: 1.5rem;
}

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

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

.page-products .quota-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .quota-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .quota-steps__n {
  font-size: 0.8rem;
  color: var(--c-cyan);
  padding-top: 0.15rem;
}

.page-products .quota-steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .quota-steps strong {
  color: var(--c-white);
  font-weight: 600;
}

.page-products .quota-side {
  padding: 1.5rem;
  color: var(--c-ink);
  border-radius: var(--radius-m);
}

.page-products .quota-side__kicker {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: rgba(11, 43, 60, 0.6);
  margin: 0 0 0.6rem;
}

.page-products .quota-side h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--c-ink);
}

.page-products .quota-faq {
  margin: 0 0 1.25rem;
}

.page-products .quota-faq dt {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--c-ink);
  margin-bottom: 0.25rem;
}

.page-products .quota-faq dd {
  margin: 0 0 0.9rem;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--c-reef);
}

.page-products .quota-faq dd:last-child {
  margin-bottom: 0;
}

.page-products .quota-side__cta {
  margin: 0;
}

/* ---- tablet ---- */
.page-products .tablet-layout {
  display: grid;
  gap: 1.75rem;
}

.page-products .tablet-media {
  margin: 0;
}

.page-products .tablet-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 700;
  color: var(--c-white);
  margin: 0 0 0.9rem;
}

.page-products .tablet-copy p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--c-mist);
  margin: 0 0 1.25rem;
}

.page-products .tablet-features {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .tablet-features li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-products .tablet-features .mono {
  color: var(--c-coral);
  font-size: 0.75rem;
  padding-top: 0.2rem;
}

.page-products .tablet-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin: 0;
}

.page-products .tablet-links a {
  font-size: 0.88rem;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-products .tablet-links a:hover {
  border-bottom-color: var(--c-coral);
}

/* ---- changelog ---- */
.page-products .changelog-media {
  margin: 0 0 1.75rem;
}

.page-products .accordion {
  margin-bottom: 2.25rem;
}

.page-products .accordion__group-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-white);
  margin: 0 0 0.9rem;
}

.page-products .accordion details {
  border: var(--products-rule);
  border-left: 2px solid var(--line-mid);
  border-radius: var(--radius-s);
  margin-bottom: 0.6rem;
  background: rgba(11, 43, 60, 0.4);
  transition: border-color var(--dur) var(--ease);
}

.page-products .accordion details[open] {
  border-left-color: var(--c-cyan);
  background: rgba(11, 43, 60, 0.7);
}

.page-products .accordion summary {
  cursor: pointer;
  padding: 0.9rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-white);
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: baseline;
  transition: color var(--dur) var(--ease);
}

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

.page-products .accordion summary:hover {
  color: var(--c-cyan);
}

.page-products .accordion summary .mono {
  font-size: 0.72rem;
  color: var(--c-cyan);
  letter-spacing: 0.06em;
}

.page-products .accordion__body {
  padding: 0 1.1rem 1.1rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .accordion__body p {
  margin: 0;
}

/* ---- closing ---- */
.page-products .closing {
  padding: 1.75rem;
  border-radius: var(--radius-m);
}

.page-products .closing__kicker {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--c-coral);
  margin: 0 0 0.7rem;
}

.page-products .closing__text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-mist);
  margin: 0 0 1.25rem;
  max-width: 58ch;
}

.page-products .closing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0;
}

/* ---- media base within page ---- */
.page-products .media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-m);
  border: var(--products-rule);
  background: linear-gradient(150deg, var(--c-ink), var(--c-deep));
}

.page-products .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--c-mist);
  background: linear-gradient(to top, rgba(4, 28, 44, 0.92), transparent);
}

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

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

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

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

  .page-products .accordion {
    display: grid;
    gap: 0.6rem;
  }

  .page-products .accordion details {
    margin-bottom: 0;
  }
}

@media (min-width: 960px) {
  .page-products .rail-hero {
    grid-template-columns: minmax(230px, 0.85fr) 1.6fr;
    gap: 3rem;
    align-items: start;
    padding: 2.25rem 0 3.75rem;
  }

  .page-products .rail-hero__stage {
    padding-left: 2rem;
    border-left: 1px solid var(--line-soft);
  }

  .page-products .query-layout {
    grid-template-columns: minmax(280px, 0.8fr) 1.7fr;
    gap: 2.25rem;
    align-items: start;
  }

  .page-products .query-panel {
    position: sticky;
    top: 2rem;
  }

  .page-products .quota-grid {
    grid-template-columns: 1.65fr minmax(280px, 0.9fr);
    gap: 2.25rem;
    align-items: start;
  }

  .page-products .tablet-layout {
    grid-template-columns: minmax(280px, 0.85fr) 1.4fr;
    gap: 2.5rem;
    align-items: center;
  }

  .page-products .tablet-copy {
    padding-left: 0.5rem;
  }

  .page-products .install-step {
    padding: 1.5rem 1.6rem;
  }
}

@media (min-width: 1180px) {
  .page-products .block {
    padding: 3.75rem 0;
  }

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

  .page-products .accordion__group-title {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
  }
}

.page-products {
  --h: 1rem;
}