.page-products {
  --pp-gap: calc(var(--step) * 3);
  --pp-shadow: 0 24px 60px -34px rgba(0, 0, 0, .95);
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(120% 70% at 88% 0%, rgba(33, 230, 193, .07), transparent 58%),
    radial-gradient(90% 60% at 0% 22%, rgba(255, 106, 26, .06), transparent 60%);
  padding-bottom: calc(var(--step) * 8);
}

.page-products section[id] {
  scroll-margin-top: 96px;
}

.page-products .breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: calc(var(--step) * 3) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .breadcrumbs ol li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-products .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-products .breadcrumbs a:hover,
.page-products .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

/* ---------- hero ---------- */
.page-products .tool-hero {
  display: grid;
  gap: calc(var(--step) * 4);
  padding-top: calc(var(--step) * 4);
  padding-bottom: calc(var(--step) * 2);
}

.page-products .tool-hero h1 {
  font-size: clamp(28px, 6.2vw, 46px);
  line-height: 1.14;
  letter-spacing: -.012em;
  font-weight: 700;
  margin: calc(var(--step) * 1.5) 0 calc(var(--step) * 2);
  max-width: 18em;
}

.page-products .tool-hero__lead {
  margin: 0 0 calc(var(--step) * 2);
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.78;
  max-width: 34em;
}

.page-products .tool-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--step) * 1.5);
  margin-top: calc(var(--step) * 3);
}

.page-products .tool-hero__map {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(158deg, rgba(16, 36, 31, .95), rgba(11, 27, 43, .95));
  box-shadow: var(--pp-shadow);
  padding: calc(var(--step) * 2.5);
  position: relative;
  overflow: hidden;
}

.page-products .tool-hero__map::after {
  content: "";
  position: absolute;
  inset: auto -40% -60% auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(33, 230, 193, .16), transparent 70%);
  pointer-events: none;
}

.page-products .tool-hero__map .index-num {
  color: var(--cyan);
  margin: 0 0 calc(var(--step) * 1.5);
}

.page-products .tree-svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 340px;
}

.page-products .tree-branch {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-products .tree-dot {
  fill: var(--ink);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-products .tree-t {
  fill: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
}

.page-products .tree-m {
  fill: var(--cyan);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .16em;
}

/* ---------- section head ---------- */
.page-products section + section {
  margin-top: calc(var(--step) * 7);
}

.page-products .sec-head {
  display: grid;
  gap: calc(var(--step) * 1);
  padding-bottom: calc(var(--step) * 1.5);
  border-bottom: 1px dashed var(--line);
  margin-bottom: calc(var(--step) * 3);
}

.page-products .sec-head h2 {
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.25;
  letter-spacing: -.01em;
  font-weight: 700;
  margin: 0;
  max-width: 22em;
}

.page-products .sec-head p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 42em;
}

/* ---------- tool grid ---------- */
.page-products .tool-grid {
  display: grid;
  gap: calc(var(--step) * 2);
}

.page-products .tool-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(16, 36, 31, .96), rgba(11, 27, 43, .96));
  padding: calc(var(--step) * 2.5) calc(var(--step) * 2.5) calc(var(--step) * 2);
  overflow: hidden;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-products .tool-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), transparent 72%);
}

.page-products .tool-card:hover {
  border-color: rgba(33, 230, 193, .45);
  transform: translateY(-2px);
}

.page-products .tool-card .index-num {
  color: var(--muted);
  margin: 0;
}

.page-products .tool-card h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: calc(var(--step) * 1) 0 calc(var(--step) * 1.25);
}

.page-products .tool-card p {
  margin: 0 0 calc(var(--step) * 1.75);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-products .tool-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .tool-card ul li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 3px 9px;
}

/* ---------- shots ---------- */
.page-products .shot {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--night);
}

.page-products .shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.68) brightness(.9);
}

.page-products .shot figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  padding: calc(var(--step) * 1.25) calc(var(--step) * 1.75);
  border-top: 1px solid var(--line);
}

.page-products .shot--wide {
  margin-top: calc(var(--step) * 3);
}

.page-products .shot--phone {
  max-width: 320px;
  justify-self: start;
}

/* ---------- split: phone ---------- */
.page-products .split {
  display: grid;
  gap: calc(var(--step) * 3);
}

/* ---------- steps ---------- */
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: calc(var(--step) * 2.25);
  counter-reset: st;
}

.page-products .steps li {
  position: relative;
  padding-left: calc(var(--step) * 6);
}

.page-products .steps li::before {
  counter-increment: st;
  content: "0" counter(st);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(33, 230, 193, .08);
  padding: 3px 7px;
}

.page-products .steps li::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 30px;
  bottom: -18px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--line) 0 4px, transparent 4px 8px);
}

.page-products .steps li:last-child::after {
  display: none;
}

.page-products .steps h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
  line-height: 1.4;
}

.page-products .steps p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-products .steps--tight {
  margin-top: calc(var(--step) * 3);
}

/* ---------- tag board ---------- */
.page-products .tag-board {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--night);
  padding: calc(var(--step) * 3) calc(var(--step) * 2.5);
}

.page-products .tag-board__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .2;
  filter: saturate(.5) brightness(.7);
  pointer-events: none;
}

.page-products .tag-board__inner {
  position: relative;
  display: grid;
  gap: calc(var(--step) * 2);
}

.page-products .tag-board__inner .index-num {
  color: var(--cyan);
  margin: 0;
}

.page-products .tag-board__hint {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .chip-cloud {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 6px 13px;
  background: rgba(6, 19, 16, .62);
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-products .chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: .55;
  flex: 0 0 auto;
}

.page-products .chip.is-on {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 10px 24px -18px rgba(33, 230, 193, .95);
}

.page-products .chip.is-on::before {
  background: var(--ink);
  opacity: .85;
}

/* ---------- demo details ---------- */
.page-products .demo {
  margin-top: calc(var(--step) * 3);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(16, 36, 31, .78);
}

.page-products .demo > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 1.5);
  padding: calc(var(--step) * 2);
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius-card);
}

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

.page-products .demo > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products .demo__mark {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
  transition: transform .22s var(--ease);
  display: inline-block;
  flex: 0 0 auto;
}

.page-products .demo[open] .demo__mark {
  transform: rotate(45deg);
}

.page-products .demo__body {
  display: grid;
  gap: calc(var(--step) * 1.5);
  padding: 0 calc(var(--step) * 2) calc(var(--step) * 2);
}

.page-products .demo__body p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- cards / red-yellow ---------- */
.page-products .cards-layout {
  display: grid;
  gap: calc(var(--step) * 3);
}

.page-products .cards-legend {
  display: grid;
  gap: calc(var(--step) * 2);
  align-content: start;
}

.page-products .legend-item {
  display: flex;
  gap: calc(var(--step) * 2);
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: calc(var(--step) * 2) calc(var(--step) * 2.25);
  background: rgba(11, 27, 43, .72);
}

.page-products .card-chip {
  flex: 0 0 auto;
  width: 26px;
  height: 36px;
  border-radius: 3px;
  box-shadow: 0 8px 20px -14px rgba(0, 0, 0, .9);
}

.page-products .card-chip--red {
  background: var(--red);
}

.page-products .card-chip--yellow {
  background: var(--yellow);
}

.page-products .legend-item h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
}

.page-products .legend-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-products .cards-note {
  margin: 0;
  padding: calc(var(--step) * 1.5) 0 0 calc(var(--step) * 1.5);
  border-left: 2px solid var(--cyan);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .shot--square {
  max-width: 340px;
  justify-self: start;
}

/* ---------- index paths ---------- */
.page-products .path-pick {
  display: grid;
  gap: calc(var(--step) * 2);
}

.page-products .path-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: calc(var(--step) * 3) calc(var(--step) * 2.5);
  background: linear-gradient(150deg, rgba(16, 36, 31, .95), rgba(11, 27, 43, .95));
}

.page-products .path-card--date {
  border-color: rgba(255, 106, 26, .38);
  background: linear-gradient(150deg, rgba(255, 106, 26, .12), rgba(11, 27, 43, .95));
}

.page-products .path-card .index-num {
  color: var(--cyan);
  margin: 0;
}

.page-products .path-card--date .index-num {
  color: var(--orange);
}

.page-products .big-num {
  font-family: var(--font-display);
  font-size: clamp(46px, 12vw, 78px);
  line-height: .9;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
  margin: calc(var(--step) * 1.5) 0 0;
  color: var(--text);
}

.page-products .path-card__unit {
  margin: 4px 0 calc(var(--step) * 2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-products .path-card h3 {
  margin: 0 0 calc(var(--step) * 1);
  font-size: 17px;
  font-weight: 700;
}

.page-products .path-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- devices ---------- */
.page-products .device-pair {
  display: grid;
  gap: calc(var(--step) * 3);
  align-items: start;
}

.page-products .device-order {
  display: grid;
  gap: calc(var(--step) * 1.5);
}

.page-products .device-order .index-num {
  color: var(--cyan);
  margin: 0;
}

.page-products .nav-order {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: nv;
}

.page-products .nav-order li {
  counter-increment: nv;
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 1.5);
  padding: calc(var(--step) * 1.5) 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
}

.page-products .nav-order li::before {
  content: "0" counter(nv);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .device-order__note {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- start ---------- */
.page-products .start-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: calc(var(--step) * 2);
  margin-bottom: calc(var(--step) * 3);
}

.page-products .start-row p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
  max-width: 34em;
}

.page-products .next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .next-list li {
  border-bottom: 1px solid var(--line);
}

.page-products .next-list a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px calc(var(--step) * 2);
  padding: calc(var(--step) * 2.25) calc(var(--step) * 1);
  text-decoration: none;
  color: var(--text);
  transition: background .18s var(--ease), padding-left .18s var(--ease);
}

.page-products .next-list a:hover,
.page-products .next-list a:focus-visible {
  background: rgba(33, 230, 193, .07);
  padding-left: calc(var(--step) * 2);
  outline: none;
}

.page-products .next-list a:focus-visible {
  box-shadow: inset 0 0 0 2px var(--orange);
}

.page-products .next-list__num {
  grid-row: 1 / span 2;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-products .next-list__t {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-products .next-list__d {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  max-width: 40em;
}

/* ---------- responsive ---------- */
@media (min-width: 760px) {
  .page-products .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .next-list a {
    grid-template-columns: auto minmax(140px, 200px) 1fr;
    align-items: baseline;
  }

  .page-products .next-list__num {
    grid-row: auto;
    padding-top: 0;
  }
}

@media (min-width: 900px) {
  .page-products .tool-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr);
    align-items: start;
    gap: calc(var(--step) * 5);
    padding-top: calc(var(--step) * 5);
  }

  .page-products .tool-hero__lead {
    font-size: 16px;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
    gap: calc(var(--step) * 5);
    align-items: start;
  }

  .page-products .tag-board {
    padding: calc(var(--step) * 4) calc(var(--step) * 4);
  }

  .page-products .cards-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(200px, 340px);
    gap: calc(var(--step) * 4);
    align-items: start;
  }

  .page-products .device-pair {
    grid-template-columns: minmax(0, 1.45fr) minmax(220px, 1fr);
    gap: calc(var(--step) * 4);
  }
}

@media (min-width: 1100px) {
  .page-products .tool-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .tool-card:nth-child(1) {
    grid-column: span 4;
  }

  .page-products .tool-card:nth-child(2) {
    grid-column: span 2;
  }

  .page-products .tool-card:nth-child(3) {
    grid-column: span 2;
  }

  .page-products .tool-card:nth-child(4) {
    grid-column: span 4;
  }

  .page-products .steps--tight {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: calc(var(--step) * 2.5) calc(var(--step) * 4);
  }

  .page-products .steps--tight li::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-card,
  .page-products .chip,
  .page-products .demo__mark,
  .page-products .next-list a {
    transition: none;
  }
}
<<<END>>>