.page-products {
  --pd-radius: 4px;
  --pd-gap: clamp(18px, 2.6vw, 32px);
  background: var(--ink-950);
  color: var(--text);
  overflow-x: clip;
}

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

.page-products .pd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pd-eyebrow__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 243, 208, .16);
  animation: pd-blink 2.4s var(--ease) infinite;
}

@keyframes pd-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ---------- hero ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(34px, 5vw, 76px) 0 clamp(30px, 4.4vw, 62px);
  background:
    radial-gradient(115% 90% at 86% -18%, rgba(47, 243, 208, .15), transparent 60%),
    radial-gradient(90% 80% at -6% 4%, rgba(76, 141, 255, .13), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--grad-field);
  opacity: .45;
}

.page-products .pd-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 5vw, 62px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 18em;
}

.page-products .pd-hero__lede {
  max-width: 46em;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-2);
}

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

.page-products .pd-stats {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--pd-radius);
  overflow: hidden;
}

.page-products .pd-stats li {
  background: rgba(10, 16, 36, .86);
  padding: 15px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-products .pd-stats b {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-products .pd-stats b i {
  font-style: normal;
  font-size: .55em;
  color: var(--text-2);
  margin-left: 2px;
}

.page-products .pd-stats span {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-2);
}

/* ---------- section shell ---------- */
.page-products .pd-block {
  padding: clamp(46px, 6vw, 88px) 0;
}

.page-products .pd-block--alt {
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(76, 141, 255, .08), transparent 65%),
    linear-gradient(180deg, rgba(10, 16, 36, .9), rgba(5, 7, 15, 1));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-head {
  max-width: 780px;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .pd-head h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pd-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- platform matrix ---------- */
.page-products .pd-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .pd-card {
  position: relative;
  background: linear-gradient(155deg, rgba(17, 27, 54, .9), rgba(10, 16, 36, .94));
  border: 1px solid var(--line);
  border-radius: var(--pd-radius);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-products .pd-card:hover,
.page-products .pd-card:focus-within {
  border-color: rgba(47, 243, 208, .5);
  box-shadow: 0 0 0 1px rgba(47, 243, 208, .14), 0 20px 44px -28px rgba(47, 243, 208, .55);
}

.page-products .pd-card > summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 17px 18px 15px;
}

.page-products .pd-card > summary::-webkit-details-marker { display: none; }
.page-products .pd-card > summary::marker { content: ""; }

.page-products .pd-card > summary::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--grad-field);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .5s var(--ease);
}

.page-products .pd-card[open] > summary::after,
.page-products .pd-card:hover > summary::after {
  transform: scaleX(1);
}

.page-products .pd-card__os {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-products .pd-card__ver {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--cyan);
  padding: 3px 9px;
  border: 1px solid rgba(47, 243, 208, .35);
  border-radius: 999px;
  background: rgba(47, 243, 208, .08);
  white-space: nowrap;
}

.page-products .pd-plus {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-products .pd-plus::before,
.page-products .pd-plus::after {
  content: "";
  position: absolute;
  background: var(--text-3);
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-products .pd-plus::before { left: 2px; right: 2px; top: 8px; height: 1.5px; }
.page-products .pd-plus::after { top: 2px; bottom: 2px; left: 8px; width: 1.5px; }

.page-products details[open] > summary .pd-plus::after { transform: scaleY(0); }
.page-products details[open] > summary .pd-plus::before { background: var(--cyan); }

.page-products .pd-card__body {
  padding: 0 18px 18px;
}

.page-products .pd-card__req {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--text-3);
}

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

.page-products .pd-step {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-products .pd-step__i {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--cyan);
  border: 1px solid rgba(47, 243, 208, .3);
  border-radius: 50%;
  background: rgba(47, 243, 208, .06);
}

.page-products .pd-step__t {
  padding-top: 3px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-2);
}

.page-products .pd-step__t strong {
  color: var(--text);
  font-weight: 600;
}

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

/* ---------- figures ---------- */
.page-products .figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--pd-radius);
  background: var(--panel-800);
}

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

.page-products .figure__caption {
  padding: 11px 14px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-3);
  border-top: 1px solid var(--line);
}

/* ---------- version split ---------- */
.page-products .pd-split {
  display: grid;
  gap: var(--pd-gap);
  align-items: center;
}

.page-products .pd-split__text h2 {
  margin: 0 0 6px;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pd-feature {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pd-feature li {
  position: relative;
  padding: 14px 16px 14px 42px;
  border: 1px solid var(--line);
  border-radius: var(--pd-radius);
  background: rgba(17, 27, 54, .5);
}

.page-products .pd-feature li::before {
  content: "\2713";
  position: absolute;
  left: 16px;
  top: 15px;
  font-size: 13px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pd-feature strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-products .pd-feature span {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- catalog / skill tree ---------- */
.page-products .pd-overview {
  margin-bottom: clamp(24px, 3vw, 38px);
}

.page-products .pd-tree {
  position: relative;
  padding-left: 30px;
  margin-bottom: clamp(24px, 3vw, 38px);
}

.page-products .pd-tree::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--blue) 58%, rgba(255, 90, 31, .85) 100%);
  opacity: .8;
}

.page-products .pd-module {
  position: relative;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--pd-radius);
  background: rgba(17, 27, 54, .52);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-products .pd-module[open] {
  border-color: rgba(47, 243, 208, .38);
  background: rgba(17, 27, 54, .8);
}

.page-products .pd-module::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-950);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 243, 208, .1);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}

.page-products .pd-module[open]::before {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(47, 243, 208, .18);
}

.page-products .pd-module > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
}

.page-products .pd-module > summary::-webkit-details-marker { display: none; }
.page-products .pd-module > summary::marker { content: ""; }

.page-products .pd-module__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-products .pd-module__title {
  display: block;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pd-module__title em {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-3);
}

.page-products .pd-module__body {
  padding: 0 16px 18px;
}

.page-products .pd-module__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-products .pd-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-check li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-2);
}

.page-products .pd-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  border: 1px solid rgba(47, 243, 208, .7);
  background: rgba(47, 243, 208, .16);
}

.page-products .pd-fieldshot {
  margin-top: 6px;
}

/* ---------- audience ---------- */
.page-products .pd-audience {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pd-aud {
  position: relative;
  overflow: hidden;
  padding: 24px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--pd-radius);
  background: linear-gradient(180deg, rgba(17, 27, 54, .72), rgba(10, 16, 36, .55));
}

.page-products .pd-aud::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: .85;
}

.page-products .pd-aud:nth-child(1)::before { background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.page-products .pd-aud:nth-child(2)::before { background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.page-products .pd-aud:nth-child(3)::before { background: linear-gradient(90deg, var(--orange), var(--amber)); }

.page-products .pd-aud__idx {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-products .pd-aud h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pd-aud p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

/* ---------- spec ---------- */
.page-products .pd-spec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  align-items: start;
}

.page-products .pd-spec h2 {
  margin: 0 0 20px;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
}

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

.page-products .pd-spec__list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-spec__k {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .pd-spec__v {
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-products .pd-mobile {
  max-width: 420px;
}

/* ---------- claim ---------- */
.page-products .pd-claim__box {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(26px, 3.6vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--pd-radius);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 90, 31, .12), transparent 62%),
    radial-gradient(80% 120% at 0% 100%, rgba(47, 243, 208, .1), transparent 60%),
    linear-gradient(150deg, rgba(17, 27, 54, .92), rgba(10, 16, 36, .95));
  overflow: hidden;
}

.page-products .pd-claim__box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-field);
}

.page-products .pd-claim__text h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pd-claim__text p {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-products .pd-claim__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pd-claim__contact {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pd-claim__note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-3);
}

.page-products .pd-claim__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 6px;
}

.page-products .pd-claim__links a {
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 208, .4);
  padding-bottom: 2px;
}

.page-products .pd-claim__links a:hover {
  border-bottom-color: var(--cyan);
}

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

  .page-products .pd-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .pd-audience {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .pd-spec {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-products .pd-mobile {
    max-width: none;
  }

  .page-products .pd-claim__box {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .pd-tree {
    padding-left: 40px;
  }

  .page-products .pd-tree::before {
    left: 13px;
  }

  .page-products .pd-module::before {
    left: -27px;
    top: 21px;
  }
}

@media (max-width: 480px) {
  .page-products .pd-spec__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-products .pd-tree {
    padding-left: 24px;
  }

  .page-products .pd-tree::before {
    left: 6px;
  }

  .page-products .pd-module::before {
    left: -22px;
    top: 19px;
    width: 9px;
    height: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-eyebrow__dot {
    animation: none;
  }

  .page-products .pd-card,
  .page-products .pd-plus::before,
  .page-products .pd-plus::after,
  .page-products .pd-card > summary::after,
  .page-products .pd-module {
    transition: none;
  }
}