.page-products {
  --prod-gap: clamp(20px, 3vw, 36px);
  --prod-pad: clamp(18px, 2.4vw, 28px);
  padding-bottom: 76px;
}

.page-products .section {
  padding: clamp(48px, 8vw, 112px) 0;
}

.page-products .prod-copy {
  max-width: 62ch;
  margin: 0 0 24px;
  color: var(--text-2);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.78;
}

.page-products .chapter-title {
  margin: 8px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 42px);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.16;
  color: var(--text);
}

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

.page-products .chapter-num {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--text-3);
}

.page-products .chapter-num--live {
  color: var(--lime);
}

.page-products .chapter-num--past {
  color: var(--amber);
}

/* ---------- hero ---------- */
.page-products .prod-hero {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
  padding-top: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(36px, 6vw, 88px);
}

.page-products .prod-lede {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.75;
  color: var(--text);
}

.page-products h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--text);
}

.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 8px;
}

.page-products .prod-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 12px;
  background: var(--ink);
}

.page-products .prod-stat-num {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600;
  color: var(--lime);
  line-height: 1;
}

.page-products .prod-stat-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-2);
}

.page-products .prod-device {
  position: relative;
  margin: 0;
  padding: clamp(14px, 2vw, 22px);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, var(--grad-a) 0%, var(--ink) 72%);
}

.page-products .prod-device::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 88px;
  height: 3px;
  background: var(--lime);
}

.page-products .prod-device img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-products .prod-device .media-cap {
  margin-top: 12px;
}

.page-products .prod-version {
  position: absolute;
  top: -22px;
  right: 10px;
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--lime);
  opacity: 0.9;
}

/* ---------- 01 matrix ---------- */
.page-products .prod-matrix {
  display: grid;
  gap: 1px;
  margin: 8px 0 14px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .prod-matrix-cell {
  padding: var(--prod-pad);
  background: var(--panel);
}

.page-products .prod-cell-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .prod-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .prod-chip {
  display: inline-flex;
  cursor: pointer;
}

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

.page-products .prod-chip span {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-2);
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .prod-chip input:checked + span {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
  font-weight: 500;
}

.page-products .prod-chip input:focus-visible + span {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-products .prod-cell-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-3);
}

.page-products .prod-matrix-note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 02 presets ---------- */
.page-products .prod-presets {
  display: grid;
  gap: 1px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-preset {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  padding: 16px var(--prod-pad);
  background: var(--ink);
  transition: background 180ms var(--ease);
}

.page-products .prod-preset:hover {
  background: var(--panel);
}

.page-products .prod-preset-num {
  grid-row: span 2;
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.08em;
  padding-top: 3px;
}

.page-products .prod-preset-name {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-products .prod-preset-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-2);
}

.page-products .prod-figure {
  margin: 0 0 24px;
  padding: clamp(10px, 1.6vw, 16px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-products .prod-figure .media-cap {
  margin-top: 10px;
}

/* ---------- 03 rounds ---------- */
.page-products .prod-views {
  position: relative;
  margin: 0 0 26px;
}

.page-products .prod-views > input[type="radio"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .prod-tabs {
  display: flex;
  width: max-content;
  margin-bottom: 0;
  border: 1px solid var(--line);
  border-bottom: 0;
}

.page-products .prod-tabs label {
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-2);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.page-products #view-rounds:checked ~ .prod-tabs label[for="view-rounds"],
.page-products #view-date:checked ~ .prod-tabs label[for="view-date"] {
  background: var(--lime);
  color: var(--ink);
  font-weight: 600;
}

.page-products .prod-views:focus-within .prod-tabs {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-products #view-rounds:checked ~ .prod-panel--date,
.page-products #view-date:checked ~ .prod-panel--rounds {
  display: none;
}

.page-products .prod-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--prod-pad);
}

.page-products .prod-panel-note {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-3);
}

.page-products .prod-fixtures {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-products .prod-fixture {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  align-items: center;
  padding: 12px 4px;
  background: var(--panel);
}

.page-products .prod-fixture-round {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-3);
}

.page-products .prod-fixture-time {
  font-size: 12px;
  color: var(--amber);
  text-align: right;
}

.page-products .prod-fixture-match {
  grid-column: 1 / -1;
  font-size: 15px;
  color: var(--text);
}

.page-products .prod-vs {
  margin: 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.08em;
}

.page-products .prod-status {
  grid-column: 1 / -1;
  justify-self: start;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid var(--line);
  color: var(--text-2);
}

.page-products .prod-status--live {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 600;
}

.page-products .prod-status--soon {
  border-color: var(--line);
  color: var(--text);
}

.page-products .prod-status--done {
  color: var(--text-3);
}

.page-products .prod-status--delay {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 04 timeline ---------- */
.page-products .prod-tl-graph {
  margin: 0 0 22px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .prod-tl-graph svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 170px;
}

.page-products .prod-tl-line {
  fill: none;
  stroke: var(--line);
  stroke-width: 2;
}

.page-products .prod-tl-nodes circle {
  fill: var(--amber);
  stroke: var(--ink);
  stroke-width: 2;
}

.page-products .prod-tl-list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-products .prod-tl-item {
  position: relative;
  padding: 14px 16px 14px 30px;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 180ms var(--ease);
}

.page-products .prod-tl-item:hover,
.page-products .prod-tl-item:focus-within {
  border-color: var(--amber);
}

.page-products .prod-tl-dot {
  position: absolute;
  left: 14px;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--amber);
}

.page-products .prod-tl-type {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .prod-tl-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 05 mainline ---------- */
.page-products .prod-split {
  display: grid;
  gap: 16px;
  margin: 0 0 26px;
}

.page-products .prod-axis {
  display: flex;
  gap: 1px;
  margin: 0;
  padding: 1px;
  list-style: none;
  overflow-x: auto;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .prod-axis-item {
  flex: 0 0 auto;
  padding: 10px 16px;
  background: var(--panel);
  font-size: 13px;
  color: var(--text-2);
  white-space: nowrap;
}

.page-products .prod-axis-item.is-current {
  background: var(--ink);
  color: var(--lime);
  box-shadow: inset 0 -2px 0 var(--lime);
}

.page-products .prod-stream {
  display: grid;
  gap: 10px;
}

.page-products .prod-stream-card {
  padding: 16px var(--prod-pad);
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  background: var(--panel);
}

.page-products .prod-stream-card.is-folded {
  border-left-color: var(--line);
  background: var(--ink);
}

.page-products .prod-stream-tag {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-3);
}

.page-products .prod-stream-title {
  margin: 0 0 6px;
  font-size: 15.5px;
  color: var(--text);
}

.page-products .prod-stream-meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-2);
}

/* ---------- 06 devices ---------- */
.page-products .prod-device-grid {
  display: grid;
  gap: 1px;
  margin: 0 0 22px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .prod-device-card {
  padding: var(--prod-pad);
  background: var(--panel);
}

.page-products .prod-device-name {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-products .prod-device-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

/* ---------- 07 start ---------- */
.page-products .prod-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-products .prod-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-products .prod-step-num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
  padding-top: 3px;
}

.page-products .prod-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .prod-more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-products .prod-more a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}

.page-products .prod-more a:hover,
.page-products .prod-more a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- fixed help ---------- */
.page-products .prod-help-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: block;
  padding: 13px 18px;
  background: var(--lime);
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-align: center;
}

.page-products .prod-help-bar:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: -4px;
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-products .prod-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-fixture {
    grid-template-columns: 92px 78px minmax(0, 1fr) auto;
    gap: 12px;
  }

  .page-products .prod-fixture-match,
  .page-products .prod-status {
    grid-column: auto;
    justify-self: end;
  }

  .page-products .prod-fixture-match {
    justify-self: start;
  }

  .page-products .prod-help-bar {
    left: auto;
    right: 24px;
    bottom: 20px;
    padding: 12px 20px;
    text-align: left;
  }
}

@media (min-width: 980px) {
  .page-products .chapter {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 8px 32px;
  }

  .page-products .chapter-num {
    padding-top: 4px;
  }

  .page-products .prod-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-products .prod-device {
    margin-top: 46px;
  }

  .page-products .prod-split {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-products .prod-axis {
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    border: 0;
    background: transparent;
    padding: 0;
    gap: 0;
  }

  .page-products .prod-axis-item {
    border-left: 2px solid var(--line);
    background: transparent;
    padding: 12px 0 12px 14px;
    white-space: normal;
  }

  .page-products .prod-axis-item.is-current {
    border-left-color: var(--lime);
    background: transparent;
    box-shadow: none;
  }

  .page-products .prod-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .prod-step {
    border-top: 2px solid var(--lime);
    padding-top: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-chip span,
  .page-products .prod-preset,
  .page-products .prod-tl-item,
  .page-products .prod-tabs label {
    transition: none;
  }
}
<<<END>>>