.page-products {
  --prod-rail-w: 216px;
  --prod-gap: clamp(16px, 2.2vw, 32px);
  --prod-sec-pad: clamp(28px, 4vw, 56px);
  color: var(--text);
  font-family: var(--font-sans);
}

/* ---------- hero ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 40px) 0 clamp(28px, 4vw, 56px);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(124, 77, 255, .28) 0%, rgba(6, 7, 11, 0) 58%),
    radial-gradient(80% 70% at 4% 100%, rgba(43, 224, 214, .12) 0%, rgba(6, 7, 11, 0) 60%),
    var(--ink);
  border-bottom: 2px solid var(--line-strong);
}

.page-products .prod-hero__ghost {
  position: absolute;
  top: clamp(-6px, 1vw, 10px);
  right: -2vw;
  font-family: var(--font-mono);
  font-size: clamp(72px, 18vw, 220px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: rgba(201, 207, 218, .05);
  pointer-events: none;
  user-select: none;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__title {
  max-width: 20ch;
  margin: 10px 0 0;
  font-size: clamp(30px, 6.2vw, 68px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .prod-hero__lead {
  max-width: 66ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--text);
}

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 3.4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 2px solid var(--line-strong);
}

.page-products .prod-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  background: var(--panel);
}

.page-products .prod-stat__v {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-stat__k {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- tab bar ---------- */
.page-products .prod-tabs {
  background: var(--panel-2);
  border-bottom: 2px solid var(--line-strong);
}

.page-products .prod-tabs__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  scrollbar-width: none;
}

.page-products .prod-tabs__inner::-webkit-scrollbar {
  display: none;
}

.page-products .prod-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--r);
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-products .prod-tab .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--violet-soft);
}

.page-products .prod-tab:hover {
  color: var(--white);
  border-color: var(--violet-soft);
}

.page-products .prod-tab[aria-current] {
  color: var(--white);
  border-color: var(--violet);
  background: var(--violet-deep);
}

/* ---------- shell ---------- */
.page-products .prod-shell {
  display: block;
  padding: clamp(28px, 4vw, 56px) 0 clamp(48px, 6vw, 88px);
}

.page-products .prod-rail {
  display: none;
}

/* ---------- section base ---------- */
.page-products .prod-sec {
  padding-top: var(--prod-sec-pad);
  scroll-margin-top: 130px;
}

.page-products .prod-sec + .prod-sec {
  border-top: 2px solid var(--line);
}

.page-products .prod-sec__head {
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.page-products .prod-sec__idx {
  display: inline-block;
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--violet-soft);
}

.page-products .prod-sec__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .prod-sec__conclusion {
  max-width: 64ch;
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

.page-products .prod-h3 {
  margin: 0 0 14px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-products .prod-block {
  margin-top: clamp(22px, 3vw, 36px);
}

.page-products .prod-note {
  max-width: 68ch;
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- figures ---------- */
.page-products .prod-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 2px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  border-radius: var(--r);
  overflow: hidden;
}

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

.page-products .prod-strip-figure {
  margin-top: 4px;
}

.page-products .venue-figure {
  margin: 0;
}

/* ---------- tables ---------- */
.page-products .prod-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--line-strong);
  background: var(--panel);
  border-radius: var(--r);
}

.page-products .prod-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .prod-table__caption {
  padding: 12px 14px;
  text-align: left;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.page-products .prod-table thead th {
  background: var(--panel-2);
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border-bottom: 2px solid var(--line-strong);
}

.page-products .prod-table tbody th {
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .prod-table tbody tr:hover {
  background: var(--violet-deep);
}

/* ---------- grade list ---------- */
.page-products .grade-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .grade {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-left-width: 4px;
  background: var(--panel);
  border-radius: var(--r);
}

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

.page-products .grade--rec {
  border-left-color: var(--green);
}

.page-products .grade--mid {
  border-left-color: var(--muted);
}

.page-products .grade--no {
  border-left-color: var(--orange);
}

/* ---------- split ---------- */
.page-products .prod-split {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
}

.page-products .prod-split__side {
  border: 2px solid var(--line-strong);
  background: var(--panel);
  padding: clamp(16px, 2.4vw, 26px);
  border-radius: var(--r);
}

/* ---------- steps ---------- */
.page-products .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-strong);
}

.page-products .step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .step__no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--violet-soft);
  padding-top: 2px;
}

.page-products .step__t {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--white);
}

.page-products .step__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- tag matrix ---------- */
.page-products .tag-matrix {
  display: grid;
  gap: 12px;
}

.page-products .tag-card {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  border-radius: var(--r);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-products .tag-card__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px;
  cursor: pointer;
  list-style: none;
}

.page-products .tag-card__head::-webkit-details-marker {
  display: none;
}

.page-products .tag-card__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-products .tag-card[open] .tag-card__head::after {
  content: "−";
}

.page-products .tag-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--violet-soft);
}

.page-products .tag-card__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-products .tag-card__body {
  padding: 0 14px 16px;
  border-top: 1px solid var(--line);
}

.page-products .tag-card__body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .tag-card__hint {
  color: var(--muted) !important;
  font-size: 13.5px !important;
}

.page-products .tag-card[open] {
  border-color: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

/* ---------- version compare ---------- */
.page-products .ver-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .ver-col {
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--panel);
  border: 2px solid var(--line-strong);
  border-top-width: 5px;
  border-radius: var(--r);
}

.page-products .ver-col--old {
  border-top-color: var(--line-strong);
}

.page-products .ver-col--new {
  border-top-color: var(--violet);
  box-shadow: var(--shadow-violet);
}

.page-products .ver-col__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .ver-col--new .ver-col__ver {
  color: var(--violet-soft);
}

.page-products .ver-col__tag {
  margin: 6px 0 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .ver-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .ver-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .ver-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-products .ver-col--old .ver-list li::before {
  background: var(--muted);
}

/* ---------- venue ---------- */
.page-products .venue-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
}

.page-products .slot-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 2px solid var(--line-strong);
  border-radius: var(--r);
  overflow: hidden;
}

.page-products .slot {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: baseline;
  gap: 8px;
  padding: 14px;
  background: var(--panel);
}

.page-products .slot__time {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .slot__unit {
  font-size: 13px;
  color: var(--muted);
}

.page-products .slot__desc {
  grid-column: 1 / -1;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .venue-cards {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .venue-card {
  padding: 16px;
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--violet);
  background: var(--panel);
  border-radius: var(--r);
}

.page-products .venue-card__t {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--white);
}

.page-products .venue-card__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- apply / cycle ---------- */
.page-products .prod-apply {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .prod-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-products .cycle-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  overflow: hidden;
}

.page-products .cycle {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel-2);
}

.page-products .cycle__name {
  font-size: 14.5px;
  color: var(--text);
}

.page-products .cycle__val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- link rows ---------- */
.page-products .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .link-row .btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

/* ---------- next ---------- */
.page-products .prod-next {
  border-top: 2px solid var(--line-strong);
}

.page-products .prod-next__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 36px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .prod-next__lead {
  max-width: 64ch;
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- breakpoints ---------- */
@media (min-width: 680px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .slot {
    grid-template-columns: auto auto 1fr;
  }
}

@media (min-width: 900px) {
  .page-products .prod-split {
    grid-template-columns: 6fr 4fr;
    align-items: start;
  }

  .page-products .prod-split--rev {
    grid-template-columns: 6fr 4fr;
  }

  .page-products .ver-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .venue-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

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

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

@media (min-width: 1000px) {
  .page-products .prod-shell {
    display: grid;
    grid-template-columns: var(--prod-rail-w) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 52px);
    align-items: start;
  }

  .page-products .prod-rail {
    display: block;
    position: sticky;
    top: 132px;
    border-left: 2px solid var(--line-strong);
    padding-left: 16px;
  }

  .page-products .prod-rail__title {
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-products .prod-rail__list {
    margin: 0 0 20px;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 4px;
  }

  .page-products .prod-rail__link {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 8px;
    font-size: 13.5px;
    color: var(--muted);
    text-decoration: none;
    border-radius: var(--r);
    transition: color .2s ease, background-color .2s ease;
  }

  .page-products .prod-rail__link .num {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--violet-soft);
  }

  .page-products .prod-rail__link:hover {
    color: var(--white);
    background: var(--violet-deep);
  }

  .page-products .prod-rail__link[aria-current] {
    color: var(--white);
    background: var(--violet-deep);
    box-shadow: inset 3px 0 0 var(--violet);
  }

  .page-products .prod-rail__cta {
    display: inline-flex;
    align-items: center;
    width: 100%;
    justify-content: center;
    text-decoration: none;
  }
}

@media (min-width: 1200px) {
  .page-products .prod-hero__title {
    max-width: 18ch;
  }

  .page-products .prod-split {
    grid-template-columns: 7fr 5fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-tab,
  .page-products .tag-card,
  .page-products .prod-rail__link {
    transition: none;
  }
}