.page-products {
  --p-dark-line: rgba(70, 201, 174, 0.18);
  --p-ink-line: rgba(23, 28, 38, 0.14);
  background: var(--paper);
  color: var(--charcoal);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
}

.page-products h1 {
  font-size: clamp(30px, 7.4vw, 62px);
  font-weight: 900;
}

.page-products h2 {
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 800;
}

.page-products h3 {
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
}

.page-products p {
  margin: 0;
  line-height: 1.75;
}

/* ---------- hero ---------- */
.page-products .p-hero {
  position: relative;
  background: var(--indigo-950);
  color: var(--cool-white);
  padding: clamp(22px, 5vw, 44px) 0 clamp(34px, 6vw, 72px);
  overflow: hidden;
}

.page-products .p-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--p-dark-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--p-dark-line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.55;
  pointer-events: none;
}

.page-products .p-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-products .p-hero .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
}

.page-products .p-hero .breadcrumb__item:last-child .breadcrumb__link {
  color: var(--amber);
}

.page-products .p-hero__eyebrow {
  margin-top: 18px;
  color: var(--celadon);
}

.page-products .p-hero__collage {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.page-products .p-hero__main {
  border-left: 3px solid var(--amber);
  padding-left: 16px;
}

.page-products .p-hero__lead {
  margin-top: 16px;
  color: rgba(242, 246, 250, 0.78);
  font-size: clamp(15px, 2.4vw, 18px);
  max-width: 46ch;
}

.page-products .p-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .p-chip {
  padding: 14px 16px;
  border: 2px solid var(--charcoal);
  box-shadow: var(--shadow-hard);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products .p-chip--warm {
  background: var(--warm-gray);
  color: var(--charcoal);
}

.page-products .p-chip--cool {
  background: var(--cool-white);
  color: var(--indigo-950);
}

.page-products .p-chip__tag {
  display: flex;
  align-items: center;
  gap: 7px;
  letter-spacing: 0.08em;
  font-size: 11px;
  text-transform: uppercase;
  opacity: 0.72;
  margin-bottom: 10px;
}

.page-products .p-chip__field {
  border-top: 1px dashed rgba(23, 28, 38, 0.28);
  padding: 6px 0;
  line-height: 1.4;
}

.page-products .p-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: rgba(70, 201, 174, 0.28);
  border: 1px solid rgba(70, 201, 174, 0.28);
}

.page-products .p-hero__facts > div {
  background: var(--indigo-800);
  padding: 12px 14px;
}

.page-products .p-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(242, 246, 250, 0.6);
}

.page-products .p-hero__facts dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 800;
  color: var(--amber);
}

.page-products .p-pin {
  display: inline-block;
  margin: 22px 18px 0;
  padding: 12px 16px;
  background: var(--amber);
  color: var(--charcoal);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  border: 2px solid var(--charcoal);
  box-shadow: 5px 5px 0 rgba(7, 19, 38, 0.65);
}

.page-products .p-pin:hover,
.page-products .p-pin:focus-visible {
  background: var(--amber-soft);
}

/* ---------- shared head ---------- */
.page-products .p-head {
  margin-bottom: clamp(24px, 4vw, 40px);
  max-width: 62ch;
}

.page-products .p-head .eyebrow {
  color: var(--celadon-deep);
  margin-bottom: 10px;
}

.page-products .p-head__note {
  margin-top: 14px;
  color: rgba(23, 28, 38, 0.68);
  font-size: 15px;
}

.page-products .p-head--dark .eyebrow {
  color: var(--celadon);
}

.page-products .p-head--dark h2 {
  color: var(--cool-white);
}

.page-products .p-head--dark .p-head__note {
  color: rgba(242, 246, 250, 0.66);
}

/* ---------- four zones ---------- */
.page-products .p-four {
  background: var(--paper);
  padding: clamp(38px, 6vw, 82px) 0;
}

.page-products .p-four__layout {
  display: grid;
  gap: 24px;
}

.page-products .p-four__figure {
  margin: 0;
  background: var(--cool-white);
  border: 2px solid var(--charcoal);
  padding: 10px;
}

.page-products .p-four__figure img,
.page-products .p-track__fig img,
.page-products .p-version__fig img,
.page-products .p-switch__fig img,
.page-products .p-fb__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .p-four__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .p-four__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num desc";
  gap: 4px 12px;
  padding: 16px 0;
  border-top: 1px solid var(--p-ink-line);
}

.page-products .p-four__item:last-child {
  border-bottom: 1px solid var(--p-ink-line);
}

.page-products .p-four__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--celadon-deep);
  padding-top: 3px;
}

.page-products .p-four__title {
  grid-area: title;
  color: var(--indigo-950);
}

.page-products .p-four__desc {
  grid-area: desc;
  font-size: 15px;
  color: rgba(23, 28, 38, 0.72);
}

/* ---------- timeline ---------- */
.page-products .p-timeline {
  background: var(--indigo-800);
  padding: clamp(38px, 6vw, 82px) 0;
}

.page-products .p-track {
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .p-track__item {
  flex: 0 0 78%;
  max-width: 300px;
  scroll-snap-align: start;
  background: var(--indigo-950);
  border: 1px solid rgba(70, 201, 174, 0.3);
  border-top: 3px solid var(--amber);
  padding: 16px 16px 20px;
}

.page-products .p-track__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(242, 246, 250, 0.55);
}

.page-products .p-track__tag {
  display: inline-block;
  margin: 10px 0 10px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
}

.page-products .p-track__tag--layer {
  color: var(--amber);
}

.page-products .p-track__tag--copy {
  color: var(--celadon);
}

.page-products .p-track__title {
  color: var(--cool-white);
  font-size: 17px;
}

.page-products .p-track__desc {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(242, 246, 250, 0.66);
}

.page-products .p-track__fig {
  margin: 24px 0 0;
  border: 1px solid rgba(70, 201, 174, 0.3);
  padding: 8px;
  background: var(--indigo-950);
}

/* ---------- version compare ---------- */
.page-products .p-version {
  background: var(--indigo-950);
  padding: clamp(38px, 6vw, 82px) 0;
}

.page-products .p-compare {
  position: relative;
}

.page-products .p-ver-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .p-compare__cards {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

.page-products .p-card {
  display: block;
  padding: 16px;
  border: 2px solid var(--charcoal);
  cursor: pointer;
  transition: outline-color 0.15s linear;
}

.page-products .p-card--warm {
  background: var(--warm-gray);
  color: var(--charcoal);
}

.page-products .p-card--cool {
  background: var(--cool-white);
  color: var(--indigo-950);
}

.page-products .p-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.page-products .p-card__line {
  display: block;
  font-size: 14px;
  line-height: 1.9;
  border-top: 1px dashed rgba(23, 28, 38, 0.25);
  padding-top: 4px;
}

.page-products #ver-old:checked ~ .p-compare__cards .p-card--warm,
.page-products #ver-new:checked ~ .p-compare__cards .p-card--cool {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.page-products .p-ver-input:focus-visible ~ .p-compare__cards .p-card {
  outline: 2px dashed var(--celadon);
}

.page-products .p-map-wrap {
  overflow-x: auto;
  background: var(--paper);
  border: 2px solid var(--amber);
}

.page-products .p-map {
  border-collapse: collapse;
  width: 100%;
  min-width: 540px;
  font-size: 14px;
}

.page-products .p-map caption {
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(23, 28, 38, 0.7);
  border-bottom: 1px solid var(--p-ink-line);
}

.page-products .p-map th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 10px 14px;
  background: var(--indigo-800);
  color: var(--cool-white);
  font-weight: 500;
}

.page-products .p-map td {
  padding: 11px 14px;
  border-top: 1px solid var(--p-ink-line);
  font-family: var(--font-mono);
  vertical-align: top;
}

.page-products .p-map td:nth-child(2) {
  font-family: var(--font-body);
  color: rgba(23, 28, 38, 0.74);
}

.page-products .p-map tbody tr:hover td {
  background: rgba(242, 179, 61, 0.16);
}

.page-products #ver-old:checked ~ .p-map-wrap .p-old {
  background: rgba(217, 208, 192, 0.85);
  box-shadow: inset 3px 0 0 var(--celadon-deep);
}

.page-products #ver-new:checked ~ .p-map-wrap .p-new {
  background: rgba(70, 201, 174, 0.2);
  box-shadow: inset -3px 0 0 var(--celadon-deep);
}

.page-products .p-verdict {
  margin-top: 18px;
  padding: 14px 16px;
  font-size: 14px;
  color: rgba(242, 246, 250, 0.75);
  border-left: 3px solid var(--celadon);
  background: rgba(70, 201, 174, 0.08);
}

.page-products .p-version__fig {
  margin: 26px 0 0;
  border: 1px solid rgba(70, 201, 174, 0.3);
  padding: 8px;
  background: var(--indigo-800);
}

/* ---------- device switch ---------- */
.page-products .p-switch {
  background: var(--paper);
  padding: clamp(38px, 6vw, 82px) 0;
}

.page-products .p-switch__fig {
  margin: 0 0 24px;
  border: 2px solid var(--charcoal);
  background: var(--cool-white);
  padding: 10px;
}

.page-products .p-steps {
  display: grid;
  gap: 12px;
}

.page-products .p-step {
  border: 2px solid var(--charcoal);
  background: var(--cool-white);
}

.page-products .p-step[open] {
  background: var(--paper);
  box-shadow: 6px 6px 0 rgba(23, 28, 38, 0.12);
}

.page-products .p-step__sum {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num device";
  gap: 4px 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .p-step__sum::-webkit-details-marker {
  display: none;
}

.page-products .p-step__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--celadon-deep);
}

.page-products .p-step__name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--indigo-950);
  line-height: 1.4;
}

.page-products .p-step__device {
  grid-area: device;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(23, 28, 38, 0.55);
}

.page-products .p-step__list {
  margin: 0;
  padding: 4px 18px 20px 30px;
  counter-reset: step;
  list-style: none;
}

.page-products .p-step__list li {
  position: relative;
  padding: 7px 0 7px 26px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(23, 28, 38, 0.8);
  border-top: 1px solid var(--p-ink-line);
  counter-increment: step;
}

.page-products .p-step__list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

/* ---------- feedback ---------- */
.page-products .p-feedback {
  background: var(--cool-white);
  padding: clamp(38px, 6vw, 82px) 0;
}

.page-products .p-feedback .p-head .eyebrow {
  color: var(--celadon-deep);
}

.page-products .p-fb-grid {
  display: grid;
  gap: 14px;
}

.page-products .p-fb {
  padding: 18px 16px;
  background: var(--paper);
  border: 2px solid var(--charcoal);
  border-left-width: 8px;
}

.page-products .p-fb:nth-child(1) {
  border-left-color: var(--amber);
}

.page-products .p-fb:nth-child(2) {
  border-left-color: var(--celadon);
}

.page-products .p-fb:nth-child(3) {
  border-left-color: var(--celadon-deep);
}

.page-products .p-fb:nth-child(4) {
  border-left-color: var(--indigo-700);
}

.page-products .p-fb__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(23, 28, 38, 0.55);
}

.page-products .p-fb__title {
  margin-top: 8px;
  color: var(--indigo-950);
  font-size: 18px;
}

.page-products .p-fb__desc {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(23, 28, 38, 0.75);
}

.page-products .p-fb__meta {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(23, 28, 38, 0.22);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--celadon-deep);
}

.page-products .p-fb__fig {
  margin: 24px 0 0;
  border: 2px solid var(--charcoal);
  background: var(--paper);
  padding: 10px;
}

/* ---------- close ---------- */
.page-products .p-close {
  background: var(--amber);
  padding: clamp(34px, 5vw, 64px) 0;
  color: var(--charcoal);
}

.page-products .p-close__inner {
  display: grid;
  gap: 22px;
}

.page-products .p-close__title {
  color: var(--charcoal);
  font-size: clamp(22px, 4.2vw, 34px);
}

.page-products .p-close__text {
  margin-top: 12px;
  max-width: 52ch;
  font-size: 15px;
  color: rgba(23, 28, 38, 0.78);
}

.page-products .p-close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .p-close__link {
  display: inline-block;
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cool-white);
  background: var(--indigo-950);
  text-decoration: none;
  border: 2px solid var(--charcoal);
  box-shadow: 4px 4px 0 rgba(23, 28, 38, 0.28);
}

.page-products .p-close__link:hover,
.page-products .p-close__link:focus-visible {
  background: var(--indigo-800);
  box-shadow: 2px 2px 0 rgba(23, 28, 38, 0.4);
}

.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--celadon-deep);
  outline-offset: 2px;
}

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

  .page-products .p-four__item {
    grid-template-columns: 52px minmax(0, 1fr);
    padding: 18px 0;
  }

  .page-products .p-track__item {
    flex: 0 0 46%;
  }

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

  .page-products .p-step__sum {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    grid-template-areas: "num name device";
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .p-hero {
    padding-top: 28px;
    padding-bottom: 84px;
  }

  .page-products .p-hero__collage {
    grid-template-columns: 1.7fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 20px;
    align-items: start;
    margin-top: 26px;
  }

  .page-products .p-hero__main {
    grid-column: 1;
    grid-row: 1 / 3;
    padding-left: 22px;
  }

  .page-products .p-chip--warm {
    grid-column: 2;
    grid-row: 1;
  }

  .page-products .p-chip--cool {
    grid-column: 3;
    grid-row: 1;
  }

  .page-products .p-hero__facts {
    grid-column: 2 / 4;
    grid-row: 2;
  }

  .page-products .p-pin {
    position: absolute;
    right: 0;
    top: 46%;
    margin: 0;
    writing-mode: vertical-rl;
    padding: 18px 10px;
    letter-spacing: 0.2em;
    border-right: 0;
    box-shadow: -5px 5px 0 rgba(7, 19, 38, 0.6);
    z-index: 2;
  }

  .page-products .p-four__layout {
    grid-template-columns: 1.15fr 1fr;
    gap: 34px;
    align-items: start;
  }

  .page-products .p-four__figure {
    position: sticky;
    top: 24px;
  }

  .page-products .p-track__item {
    flex: 0 0 240px;
  }

  .page-products .p-compare__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .p-map-wrap {
    margin-top: 4px;
  }

  .page-products .p-fb-grid {
    grid-template-columns: 1.1fr 0.9fr 1fr 1.2fr;
    align-items: stretch;
  }

  .page-products .p-fb:nth-child(2) {
    transform: translateY(14px);
  }

  .page-products .p-close__inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
  }

  .page-products .p-close__links {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-products .p-switch__fig {
    float: right;
    width: 42%;
    margin: 0 0 24px 32px;
  }

  .page-products .p-steps {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .p-card,
  .page-products .p-close__link {
    transition: none;
  }

  .page-products .p-fb:nth-child(2) {
    transform: none;
  }
}