.page-products {
  --pp-axis: 1px;
  --pp-gap: clamp(16px, 2.6vw, 34px);
  --pp-pad: clamp(16px, 2.4vw, 26px);
  background-color: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

.page-products .pg-wrap {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
}

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

/* ---------- hero ---------- */

.page-products .pg-hero {
  padding-block: clamp(18px, 3vw, 30px) clamp(34px, 5.5vw, 68px);
  background:
    radial-gradient(120% 92% at 6% 0%, rgba(200, 162, 74, 0.18), transparent 62%),
    radial-gradient(90% 80% at 100% 10%, rgba(23, 63, 53, 0.08), transparent 70%),
    var(--paper);
  border-bottom: 1px solid var(--hairline);
}

.page-products .pg-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-products .pg-crumb a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}

.page-products .pg-crumb a:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-products .pg-crumb__sep {
  color: var(--gold);
}

.page-products .pg-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-products .pg-eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--gold-light);
  border: 1px solid var(--gold);
}

.page-products .pg-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6.2vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-products .pg-hero h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 6px;
  margin-top: 22px;
  background: var(--gold);
}

.page-products .pg-hero__deck {
  margin: 22px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .pg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- rail ---------- */

.page-products .pg-rail {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
  align-self: start;
}

.page-products .pg-rail__title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sage);
}

.page-products .pg-rail__title span {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--cinnabar);
  line-height: 1;
}

.page-products .pg-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-products .pg-rail__item a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 10px 6px 10px 0;
  border-bottom: 1px solid var(--hairline-soft);
  text-decoration: none;
  color: var(--ink-2);
  transition: color 0.16s var(--ease), background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .pg-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-products .pg-rail__label {
  font-size: 13.5px;
  line-height: 1.35;
}

.page-products .pg-rail__item a:hover,
.page-products .pg-rail__item[data-active="true"] a {
  color: var(--cinnabar);
  border-bottom-color: var(--gold);
  background: linear-gradient(90deg, rgba(200, 162, 74, 0.16), transparent 78%);
}

/* ---------- section shell ---------- */

.page-products .pg-sec {
  padding-block: clamp(38px, 6vw, 82px);
  border-top: 1px solid var(--hairline-soft);
}

.page-products .pg-sec--tint {
  background: var(--paper-2);
}

.page-products .pg-sec--ink {
  background: var(--ink);
  color: var(--paper);
  border-top: none;
}

.page-products .pg-sec__head {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-products .pg-sec__num {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.page-products .pg-sec__head h2,
.page-products .pg-verify h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.6vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 24ch;
}

.page-products .pg-sec--ink h2 {
  color: var(--paper);
}

.page-products .pg-sec__sub {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .pg-sec--ink .pg-sec__sub {
  color: rgba(247, 242, 230, 0.78);
}

.page-products .pg-sec__head--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

/* ---------- check ---------- */

.page-products .pg-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-products .pg-check__item {
  background: var(--paper);
  padding: var(--pp-pad);
  position: relative;
}

.page-products .pg-check__num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pg-check__num::after {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  margin-left: 10px;
  vertical-align: middle;
  background: var(--gold);
  opacity: 0.7;
}

.page-products .pg-check__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.02rem;
  line-height: 1.35;
  color: var(--ink);
}

.page-products .pg-check__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--graphite);
}

/* ---------- figures ---------- */

.page-products .pg-fig {
  margin: 0;
}

.page-products .pg-fig__frame {
  position: relative;
  border: 1px solid var(--hairline);
  background:
    repeating-linear-gradient(0deg, rgba(14, 42, 36, 0.05) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(14, 42, 36, 0.05) 0 1px, transparent 1px 22px),
    var(--paper);
  overflow: hidden;
}

.page-products .pg-fig__frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: linear-gradient(225deg, var(--paper-2) 50%, transparent 50%);
  border-left: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  pointer-events: none;
}

.page-products .pg-fig__frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pg-fig figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--sage);
}

.page-products .pg-fig--ios .pg-fig__frame {
  border-color: var(--gold);
}

.page-products .pg-fig--wide {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .pg-fig--banner {
  margin-top: 0;
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-products .pg-fig--dark .pg-fig__frame {
  border-color: var(--hairline-light);
  background:
    repeating-linear-gradient(0deg, rgba(247, 242, 230, 0.06) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(247, 242, 230, 0.06) 0 1px, transparent 1px 22px),
    var(--ink-2);
}

.page-products .pg-fig--dark .pg-fig__frame::after {
  background: linear-gradient(225deg, rgba(200, 162, 74, 0.55) 50%, transparent 50%);
  border-left-color: var(--hairline-light);
  border-bottom-color: var(--hairline-light);
}

.page-products .pg-fig--dark figcaption {
  color: rgba(247, 242, 230, 0.7);
}

.page-products .pg-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 28px);
  margin-bottom: clamp(26px, 4vw, 44px);
}

/* ---------- mirror steps ---------- */

.page-products .pg-step {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pg-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-bottom: 11px;
  border-bottom: 2px solid var(--ink);
}

.page-products .pg-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-products .pg-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.02rem, 2vw, 1.22rem);
  line-height: 1.35;
  color: var(--ink);
}

.page-products .pg-mirror {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-products .pg-axis {
  display: none;
}

.page-products .pg-side {
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--hairline-soft);
}

.page-products .pg-side__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
}

.page-products .pg-side--old .pg-side__tag {
  color: var(--ink-2);
  background: var(--paper-2);
  border: 1px solid var(--hairline);
}

.page-products .pg-side--ios .pg-side__tag {
  color: var(--ink);
  background: var(--gold-light);
  border: 1px solid var(--gold);
}

.page-products .pg-side p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
}

.page-products .pg-side--old p {
  color: var(--graphite);
}

.page-products .pg-side--ios p {
  color: var(--graphite);
}

/* ---------- board map ---------- */

.page-products .pg-map__head {
  display: none;
}

.page-products .pg-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 2px solid var(--ink);
}

.page-products .pg-map__cell {
  padding: 15px 0 15px 14px;
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--hairline-soft);
}

.page-products .pg-map__cell--old {
  border-left-color: var(--ink-2);
}

.page-products .pg-map__cell--ios {
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(200, 162, 74, 0.09), transparent 82%);
}

.page-products .pg-map__name {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.98rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pg-map__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.66;
  color: var(--sage);
}

/* ---------- verify ---------- */

.page-products .pg-verify {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-products .pg-verify__list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--hairline-light);
}

.page-products .pg-verify__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline-light);
}

.page-products .pg-verify__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 2px;
}

.page-products .pg-verify__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pg-verify__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: rgba(247, 242, 230, 0.76);
}

.page-products .pg-verify__more {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-products .pg-verify__more a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 162, 74, 0.5);
  padding-bottom: 2px;
}

.page-products .pg-verify__more a:hover {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
}

/* ---------- diff ---------- */

.page-products .pg-diff {
  border-top: 2px solid var(--ink);
}

.page-products .pg-diff__item {
  border-bottom: 1px solid var(--hairline-soft);
}

.page-products .pg-diff__item summary {
  position: relative;
  display: block;
  padding: 17px 40px 17px 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-products .pg-diff__item summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -6px;
  border-right: 2px solid var(--cinnabar);
  border-bottom: 2px solid var(--cinnabar);
  transform: rotate(45deg);
  transition: transform 0.18s var(--ease);
}

.page-products .pg-diff__item[open] summary::after {
  transform: rotate(-135deg);
  margin-top: -2px;
}

.page-products .pg-diff__item summary:hover {
  color: var(--cinnabar);
}

.page-products .pg-diff__item p {
  margin: 0;
  padding: 0 0 20px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .pg-outro {
  margin-top: clamp(30px, 4.4vw, 52px);
  padding: clamp(20px, 3vw, 34px);
  background: var(--paper-2);
  border-left: 4px solid var(--gold);
}

.page-products .pg-outro h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  line-height: 1.35;
  color: var(--ink);
}

.page-products .pg-outro p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .pg-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- responsive ---------- */

@media (min-width: 560px) {
  .page-products .pg-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pg-check {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pg-sec__head--split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: clamp(16px, 3vw, 40px);
  }

  .page-products .pg-sec__head--split .pg-sec__sub {
    margin-top: 0;
    padding-bottom: 4px;
  }
}

@media (min-width: 820px) {
  .page-products .pg-mirror,
  .page-products .pg-map,
  .page-products .pg-map__head {
    grid-template-columns: minmax(0, 1fr) var(--pp-axis) minmax(0, 1fr);
    column-gap: var(--pp-gap);
  }

  .page-products .pg-axis {
    display: block;
    width: var(--pp-axis);
    align-self: stretch;
    background: linear-gradient(180deg, transparent, var(--gold) 16%, var(--gold) 84%, transparent);
    opacity: 0.6;
  }

  .page-products .pg-side {
    border-bottom: none;
  }

  .page-products .pg-side--old {
    padding-right: clamp(4px, 1.2vw, 12px);
  }

  .page-products .pg-side--ios {
    padding-left: clamp(4px, 1.2vw, 12px);
  }

  .page-products .pg-map__head {
    display: grid;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--hairline);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--sage);
  }

  .page-products .pg-map__head span:first-child {
    grid-column: 1;
    text-align: right;
  }

  .page-products .pg-map__head span:last-child {
    grid-column: 3;
  }

  .page-products .pg-map__cell {
    padding: 17px 0;
    border-left: none;
    border-bottom: 1px solid var(--hairline-soft);
  }

  .page-products .pg-map__cell--ios {
    background: linear-gradient(90deg, rgba(200, 162, 74, 0.1), transparent 74%);
    padding-left: 14px;
  }

  .page-products .pg-map__cell--old {
    text-align: right;
    padding-right: 14px;
    background: none;
  }
}

@media (min-width: 900px) {
  .page-products .pg-hero__grid {
    grid-template-columns: minmax(0, 1fr) 224px;
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .pg-verify {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pg-rail__item a,
  .page-products .pg-diff__item summary::after {
    transition: none;
  }
}
<<<END>>>