/* ---------- Sub-page shared chrome ---------- */
.sub-hero {
  padding: 200px 0 100px;
  background: var(--bg);
  position: relative;
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 720px) { .sub-hero { padding: 140px 0 64px; } }
.sub-hero .crumbs {
  display: flex; gap: 12px; align-items: center;
  font-family: var(--serif-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.18em; color: var(--ink-3);
  margin-bottom: 32px;
}
.sub-hero .crumbs a { color: var(--ink-3); border-bottom: 1px solid transparent; }
.sub-hero .crumbs a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.sub-hero .crumbs span.sep { color: var(--ink-4); }
.sub-hero h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(36px, 5.4vw, 72px);
  line-height: 1.45;
  letter-spacing: 0.06em;
  margin-top: 24px;
}
.sub-hero .sub-en {
  margin-top: 28px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: clamp(28px, 3.6vw, 48px);
  font-weight: 300;
  color: var(--ink-4);
  letter-spacing: 0.02em;
  line-height: 1;
}
.sub-hero p.lede { margin-top: 40px; }

/* ---------- About page ---------- */
.about-quote {
  padding: 140px 0 120px;
  text-align: center;
  background: var(--bg);
}
.about-quote .mark {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 120px;
  line-height: 0.6;
  color: var(--accent-soft);
}
.about-quote blockquote {
  margin: 32px auto 0;
  max-width: 32ch;
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 2.2;
  letter-spacing: 0.12em;
  color: var(--ink);
  font-weight: 300;
}
.about-quote .cite {
  margin-top: 48px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
}

.about-story {
  background: var(--bg-2);
  padding: 160px 0;
}
.about-story-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 96px;
  align-items: start;
}
@media (max-width: 900px) { .about-story-grid { grid-template-columns: 1fr; gap: 56px; } }
.about-story-img {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--bg-3);
}
.about-story-img img { width: 100%; height: 100%; object-fit: cover; }
.about-story h2 { margin-bottom: 32px; }
.about-story p {
  font-size: 16px; line-height: 2.2; letter-spacing: 0.09em;
  color: var(--ink-2); max-width: 44ch;
}
.about-story p + p { margin-top: 28px; }
.about-story-meta {
  margin-top: 64px;
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.about-story-meta > div {
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
.about-story-meta dt {
  font-family: var(--serif-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.22em; color: var(--ink-4);
  text-transform: uppercase;
}
.about-story-meta dd {
  margin: 8px 0 0; font-family: var(--serif);
  font-size: 16px; letter-spacing: 0.08em; color: var(--ink);
}

.about-pillars {
  background: var(--bg);
  padding: 160px 0;
}
.about-pillars-head { margin-bottom: 96px; text-align: center; }
.about-pillars-head .eyebrow { display: inline-block; }
.about-pillars-head h2 { margin-top: 24px; }
.pillars-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; border-top: 1px solid var(--rule);
}
@media (max-width: 900px) { .pillars-grid { grid-template-columns: 1fr; } }
.pillar {
  padding: 56px 40px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.pillar:last-child { border-right: 0; }
@media (max-width: 900px) { .pillar { border-right: 0; } }
.pillar .num {
  font-family: var(--serif-en); font-style: italic;
  font-size: 13px; letter-spacing: 0.22em; color: var(--accent);
}
.pillar h3 {
  margin-top: 24px; font-family: var(--serif);
  font-size: 22px; letter-spacing: 0.1em; font-weight: 500;
}
.pillar .h-en {
  margin-top: 8px;
  font-family: var(--serif-en); font-style: italic;
  font-size: 14px; letter-spacing: 0.22em; color: var(--ink-3);
  text-transform: none;
}
.pillar p {
  margin-top: 28px;
  font-size: 14px; line-height: 2; color: var(--ink-3);
  letter-spacing: 0.08em;
}

.about-timeline {
  background: var(--bg-2);
  padding: 160px 0;
}
.about-timeline h2 { margin-bottom: 80px; }
.tl {
  display: grid; gap: 0;
  border-top: 1px solid var(--rule);
}
.tl-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 56px;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
@media (max-width: 720px) {
  .tl-row { grid-template-columns: 1fr; gap: 12px; }
}
.tl-row .year {
  font-family: var(--serif-en); font-style: italic;
  font-size: 22px; letter-spacing: 0.12em; color: var(--accent);
}
.tl-row .label {
  font-family: var(--serif);
  font-size: 17px; letter-spacing: 0.1em; color: var(--ink);
}
.tl-row .desc {
  margin-top: 12px;
  font-size: 14px; color: var(--ink-3);
  line-height: 1.95; letter-spacing: 0.06em;
  max-width: 60ch;
}

/* ---------- Products list page ---------- */
.products-list { padding: 140px 0 100px; background: var(--bg); }
.products-list .products-grid { margin-top: 80px; }
.products-list .product-card { cursor: pointer; }
.product-line-meta {
  margin-top: 12px;
  display: flex; gap: 16px; flex-wrap: wrap;
  font-family: var(--serif-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.18em; color: var(--ink-4);
}
.products-list .filter-bar {
  display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 24px;
  padding-bottom: 24px; border-bottom: 1px solid var(--rule);
}
.products-list .filter-bar p { font-size: 13px; color: var(--ink-3); letter-spacing: 0.08em; max-width: 50ch; }

.section-banner {
  background: var(--bg-2);
  padding: 120px 0;
}
.section-banner .inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center;
}
@media (max-width: 900px) { .section-banner .inner { grid-template-columns: 1fr; gap: 32px; } }
.section-banner h3 {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px); line-height: 1.7;
  letter-spacing: 0.08em; font-weight: 300;
}
.section-banner p { color: var(--ink-2); margin-top: 24px; }
.section-banner .img { aspect-ratio: 4/3; overflow: hidden; }
.section-banner .img img { width:100%; height:100%; object-fit:cover; }

/* ---------- Product detail page ---------- */
.pd-hero {
  padding: 140px 0 80px;
  background: var(--bg);
}
.pd-hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 80px; align-items: start;
}
@media (max-width: 900px) { .pd-hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.pd-img-main {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--bg-2);
}
.pd-img-main img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumbs {
  margin-top: 16px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.pd-thumbs .pd-thumb {
  aspect-ratio: 1/1; overflow: hidden; background: var(--bg-2);
  border: 1px solid transparent;
}
.pd-thumbs .pd-thumb img { width:100%; height:100%; object-fit:cover; }

.pd-info .eyebrow {}
.pd-info .pd-tag { margin-bottom: 32px; }
.pd-info h1 {
  font-family: var(--serif);
  font-size: clamp(36px, 4.8vw, 60px);
  line-height: 1.4; font-weight: 300; letter-spacing: 0.06em;
}
.pd-info .pd-en {
  margin-top: 16px;
  font-family: var(--serif-en); font-style: italic;
  font-size: 22px; letter-spacing: 0.16em; color: var(--ink-3);
}
.pd-info .lede { margin-top: 40px; }
.pd-info .price-block {
  margin-top: 48px;
  padding-top: 28px; padding-bottom: 28px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.pd-info .price-block .price {
  font-family: var(--serif);
  font-size: 32px; letter-spacing: 0.06em;
}
.pd-info .price-block .price small {
  font-size: 12px; color: var(--ink-4); letter-spacing: 0.18em; margin-left: 12px;
}
.pd-info .variations {
  margin-top: 28px;
  display: grid; gap: 0;
}
.pd-info .var-row {
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 20px; padding: 14px 0;
  border-bottom: 1px dashed var(--rule);
  font-size: 14px; letter-spacing: 0.06em;
}
.pd-info .var-row:last-child { border-bottom: 0; }
.pd-info .var-row .v-name { color: var(--ink); }
.pd-info .var-row .v-en {
  font-family: var(--serif-en); font-style: italic;
  font-size: 12px; color: var(--ink-4); letter-spacing: 0.18em;
}
.pd-info .var-row .v-price { color: var(--ink); }
.pd-cta {
  margin-top: 40px;
  display: flex; gap: 16px; flex-wrap: wrap;
}

.pd-spec {
  background: var(--bg-2);
  padding: 140px 0;
}
.pd-spec-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px;
}
@media (max-width: 900px) { .pd-spec-grid { grid-template-columns: 1fr; gap: 48px; } }
.pd-spec h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: 0.1em; font-weight: 400;
  margin-bottom: 32px;
}
.pd-spec dl {
  display: grid; gap: 0;
  border-top: 1px solid var(--rule);
}
.pd-spec .row {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.pd-spec dt {
  font-family: var(--serif-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.2em; color: var(--ink-4);
  text-transform: uppercase;
}
.pd-spec dd {
  margin: 0;
  font-size: 14px; line-height: 1.95; letter-spacing: 0.06em;
  color: var(--ink-2);
}
.pd-spec dd small { display: block; margin-top: 6px; font-size: 12px; color: var(--ink-3); }

.pd-other {
  padding: 140px 0;
  background: var(--bg);
}
.pd-other h2 { margin-bottom: 64px; }
.pd-other-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}
@media (max-width: 720px) { .pd-other-grid { grid-template-columns: 1fr; } }

/* ---------- OEM page ---------- */
.oem-hero-page { background: var(--bg); }
.oem-flow {
  background: var(--bg);
  padding: 140px 0;
}
.oem-flow h2 { margin-bottom: 64px; }
.oem-flow-steps {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (max-width: 900px) { .oem-flow-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .oem-flow-steps { grid-template-columns: 1fr; } }
.oem-flow-step {
  padding: 40px 28px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.oem-flow-step:last-child { border-right: 0; }
.oem-flow-step .num {
  font-family: var(--serif-en); font-style: italic;
  font-size: 13px; color: var(--accent); letter-spacing: 0.22em;
}
.oem-flow-step h3 {
  margin-top: 20px;
  font-family: var(--serif);
  font-size: 17px; font-weight: 500;
  letter-spacing: 0.1em;
}
.oem-flow-step p {
  margin-top: 14px;
  font-size: 13px; line-height: 1.95; color: var(--ink-3);
  letter-spacing: 0.06em;
}

.oem-spec {
  background: var(--bg-2);
  padding: 140px 0;
}
.oem-spec-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px;
}
@media (max-width: 900px) { .oem-spec-grid { grid-template-columns: 1fr; gap: 48px; } }
.oem-spec h2 { margin-bottom: 28px; }
.oem-spec dl { border-top: 1px solid var(--rule); }
.oem-spec .row {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 24px; padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.oem-spec dt {
  font-family: var(--serif-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.2em; color: var(--ink-4);
  text-transform: uppercase;
}
.oem-spec dd {
  margin: 0; font-size: 14px; line-height: 1.95; letter-spacing: 0.06em; color: var(--ink-2);
}

.oem-cases {
  padding: 140px 0;
  background: var(--bg);
}
.oem-cases h2 { margin-bottom: 64px; }
.oem-cases-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px;
}
@media (max-width: 900px) { .oem-cases-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .oem-cases-grid { grid-template-columns: 1fr; } }
.case-card {
  padding: 32px 24px 28px;
  background: var(--bg-2);
}
.case-card .case-cat {
  font-family: var(--serif-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.2em; color: var(--accent);
}
.case-card h3 {
  margin-top: 14px;
  font-family: var(--serif);
  font-size: 18px; letter-spacing: 0.08em; font-weight: 500;
}
.case-card p {
  margin-top: 14px;
  font-size: 13px; color: var(--ink-3); line-height: 1.95;
  letter-spacing: 0.06em;
}

.oem-faq {
  padding: 140px 0;
  background: var(--bg-2);
}
.oem-faq h2 { margin-bottom: 56px; }
.faq {
  border-top: 1px solid var(--rule);
}
.faq-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  display: grid; grid-template-columns: 60px 1fr;
  gap: 24px;
}
.faq-mark {
  font-family: var(--serif-en); font-style: italic;
  font-size: 22px; color: var(--accent); letter-spacing: 0.1em;
}
.faq-q {
  font-family: var(--serif);
  font-size: 17px; letter-spacing: 0.08em; color: var(--ink);
  line-height: 1.7;
}
.faq-a {
  margin-top: 16px;
  font-size: 14px; line-height: 2; color: var(--ink-2);
  letter-spacing: 0.06em;
}

.oem-cta {
  padding: 120px 0;
  background: var(--ink);
  color: var(--bg);
  text-align: center;
}
.oem-cta .eyebrow { color: rgba(250, 247, 241, 0.5); display: inline-block; }
.oem-cta .eyebrow::before { background: rgba(250, 247, 241, 0.5); }
.oem-cta h2 { color: var(--bg); margin-top: 28px; }
.oem-cta p { color: rgba(250, 247, 241, 0.78); margin: 32px auto 40px; }
.oem-cta .btn { color: var(--bg); border-color: var(--bg); }
.oem-cta .btn:hover { background: var(--bg); color: var(--ink); }
.oem-cta .btn-filled { background: var(--bg); color: var(--ink); border-color: var(--bg); }
.oem-cta .btn-filled:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.oem-cta .cta-row {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}

/* ---------- Access page ---------- */
.access-page-hero {
  padding: 0;
}
.access-page-hero .ap-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 70vh;
}
@media (max-width: 900px) { .access-page-hero .ap-grid { grid-template-columns: 1fr; } }
.ap-info {
  padding: 200px 64px 100px;
  background: var(--bg);
}
@media (max-width: 720px) { .ap-info { padding: 140px 24px 64px; } }
.ap-img {
  background: var(--bg-3);
  overflow: hidden;
  min-height: 60vh;
}
.ap-img img { width:100%; height:100%; object-fit: cover; }

.ap-info h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.5; letter-spacing: 0.06em;
  margin-top: 24px;
}
.ap-info .sub-en {
  margin-top: 20px;
  font-family: var(--serif-en); font-style: italic;
  font-size: 26px; color: var(--ink-4); letter-spacing: 0.04em;
}

.access-details {
  padding: 140px 0;
  background: var(--bg-2);
}
.access-details-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px;
}
@media (max-width: 900px) { .access-details-grid { grid-template-columns: 1fr; gap: 48px; } }
.access-details h2 { margin-bottom: 32px; }
.info-table.bordered {
  border-top: 1px solid var(--rule);
}
.info-table.bordered .info-row {
  display: grid; grid-template-columns: 120px 1fr;
  gap: 24px; padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.info-table.bordered dt {
  font-family: var(--serif-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.2em; color: var(--ink-4);
  text-transform: uppercase;
}
.info-table.bordered dd {
  margin: 0; font-size: 15px; line-height: 1.9;
  letter-spacing: 0.06em; color: var(--ink-2);
}
.info-table.bordered dd small {
  display: block; margin-top: 6px;
  font-size: 12px; color: var(--ink-3);
}

.access-howto {
  padding: 140px 0;
  background: var(--bg);
}
.access-howto h2 { margin-bottom: 64px; }
.howto-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; border-top: 1px solid var(--rule);
}
@media (max-width: 900px) { .howto-grid { grid-template-columns: 1fr; } }
.howto-item {
  padding: 40px 32px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.howto-item:last-child { border-right: 0; }
@media (max-width: 900px) { .howto-item { border-right: 0; } }
.howto-item .num {
  font-family: var(--serif-en); font-style: italic;
  font-size: 13px; letter-spacing: 0.22em; color: var(--accent);
}
.howto-item h3 {
  margin-top: 18px;
  font-family: var(--serif); font-size: 18px;
  font-weight: 500; letter-spacing: 0.1em;
}
.howto-item p {
  margin-top: 16px;
  font-size: 14px; line-height: 1.95; color: var(--ink-3);
  letter-spacing: 0.06em;
}

/* shared sub-page CTA strip */
.sub-cta-strip {
  padding: 80px 0;
  background: var(--bg-3);
  border-top: 1px solid var(--rule);
}
.sub-cta-strip .inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 24px;
}
.sub-cta-strip h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(20px, 2.4vw, 28px); letter-spacing: 0.08em;
}
.sub-cta-strip p {
  margin-top: 8px;
  font-size: 13px; color: var(--ink-3); letter-spacing: 0.08em;
}