/* 2026 catalogue-led heating-site optimization. */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(245, 241, 233, .10);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  transition: background .25s ease, box-shadow .25s ease;
}

.site-header.is-scrolled { background: rgba(245, 241, 233, .10); box-shadow: 0 8px 24px rgba(23, 32, 29, .08); }
.site-header nav summary::after { content: none; }
.site-header nav summary { padding-right: 0; }

.hero-carousel-arrows { position: absolute; z-index: 4; right: 7vw; bottom: 76px; display: flex; gap: 9px; }
.hero-arrow { display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid rgba(255, 255, 255, .72); border-radius: 50%; background: rgba(20, 29, 26, .20); color: #fff; cursor: pointer; font-size: 1.2rem; transition: background .2s ease, transform .2s ease; }
.hero-arrow:hover { background: var(--warm); border-color: var(--warm); transform: translateY(-2px); }

.footer-brand-group { min-height: 54px; }
.footer-heating-logo { display: block; width: 178px; height: 62px; background: url("assets/vaxiam-heating-logo-white.png") center / contain no-repeat; }

.product-showcase { display: none; }
.product-showcase.is-ready { display: block; margin: 72px 0 0; padding: 72px 0; border-top: 1px solid #bdb9b1; border-bottom: 1px solid #bdb9b1; }
.detail-page.product-only > :not(.product-showcase) { display: none; }
.detail-page.product-only .product-showcase.is-ready { margin-top: 0; border-top: 0; }
.detail-page.about-reference-only > :not(.about-content-page) { display: none; }
.about-content-page { width:min(1240px, 90vw); margin:0 auto; padding:78px 0 92px; }
.about-page-intro { max-width:820px; margin-bottom:42px; }
.about-page-intro h1 { margin:8px 0 18px; font-size:clamp(2.4rem,5vw,5.2rem); line-height:.98; letter-spacing:-.06em; }
.about-page-intro > p:last-child { margin:0; color:#505954; font-size:1rem; line-height:1.75; }
.corporate-source-layout { display:grid; grid-template-columns:1.16fr .84fr; gap:18px; align-items:stretch; }
.verification-source-layout { display:grid; grid-template-columns:1.16fr .84fr; gap:18px; align-items:stretch; }
.verification-source-copy { min-width:0; }.verification-source-copy .about-page-intro { margin-bottom:24px; }.verification-source-copy .certification-source { min-height:0; aspect-ratio:3 / 2; }
.corporate-stats-source, .factory-source-grid figure, .service-source-grid figure, .certification-source { margin:0; overflow:hidden; background:#eee8de; }
.corporate-stats-source img, .factory-source-grid img, .service-source-grid img, .certification-source img { display:block; width:100%; height:100%; object-fit:cover; }
.corporate-stats-source { min-height:390px; }.corporate-stats-source img { object-fit:contain; background:#f7f3ed; }
.factory-source-grid { display:grid; grid-template-rows:1fr 1fr; gap:18px; }.factory-source-grid figure { min-height:186px; }
.service-source-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; }.service-source-grid figure { min-height:300px; }.service-source-grid figure:first-child { grid-column:1 / -1; min-height:360px; }.service-source-grid img { object-fit:contain; background:#f7f3ed; }
.certification-source { min-height:420px; }.certification-source img { object-fit:contain; background:#f7f3ed; }
.showcase-heading { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 34px; align-items: end; margin-bottom: 36px; }
.showcase-heading h2 { margin: 0; font-family: Arial, Helvetica, sans-serif; font-size: clamp(2rem, 4vw, 4.1rem); line-height: 1.02; letter-spacing: -.055em; }
.showcase-heading p { margin: 0; color: #58605c; font-size: .95rem; line-height: 1.65; }
.showcase-scenario { display: grid; grid-template-columns: 1.1fr .9fr; background: #e5ddd1; }
.showcase-scenario img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; }
.showcase-scenario-copy { display: flex; min-height: 340px; padding: 44px; flex-direction: column; justify-content: end; }
.showcase-scenario-copy b, .spec-title { color: var(--warm); font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; }
.showcase-scenario-copy h3 { margin: 16px 0 14px; font-size: clamp(1.7rem, 2.8vw, 2.8rem); line-height: 1.08; letter-spacing: -.045em; }
.showcase-scenario-copy p { margin: 0; color: #4f5753; line-height: 1.7; }
.product-specification { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr); gap: 7vw; margin-top: 72px; align-items: start; }
.product-gallery { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 14px; }
.product-thumbnails { display: grid; align-content: start; gap: 10px; }
.product-thumb { width: 88px; aspect-ratio: 1; overflow: hidden; padding: 0; border: 1px solid transparent; background: #e6e0d5; cursor: pointer; }
.product-thumb.is-active { border: 2px solid var(--warm); }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery-main { min-height: 470px; overflow: hidden; background: #eee9e1; }
.product-zoom-trigger { position: relative; width: 100%; padding: 0; border: 0; color: inherit; text-align: left; cursor: zoom-in; }
.product-zoom-trigger > span { position: absolute; right: 14px; bottom: 14px; padding: 7px 10px; background: rgba(245,241,233,.88); color: var(--ink); font-size: .72rem; font-weight: 700; opacity: 0; transform: translateY(5px); transition: opacity .2s ease, transform .2s ease; }
.product-zoom-trigger:hover > span, .product-zoom-trigger:focus-visible > span { opacity: 1; transform: translateY(0); }
.product-zoom-trigger:focus-visible { outline: 2px solid var(--warm); outline-offset: 4px; }
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.product-image-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 5vw; background: rgba(224, 229, 232, .82); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); opacity: 0; visibility: hidden; transition: opacity .2s ease, visibility .2s ease; cursor: zoom-out; }
.product-image-modal.is-open { opacity: 1; visibility: visible; }
.product-image-modal img { display: block; max-width: min(92vw, 1180px); max-height: 86vh; object-fit: contain; box-shadow: 0 18px 58px rgba(25,33,31,.18); cursor: default; }
.product-image-modal-close { position: fixed; top: 24px; right: 28px; width: 42px; height: 42px; border: 1px solid rgba(25,33,31,.22); border-radius: 50%; background: rgba(255,255,255,.8); color: var(--ink); font-size: 2rem; line-height: 1; cursor: pointer; }
.pillow-gallery { grid-template-columns: minmax(0, 1fr); gap: 14px; }
.pillow-gallery .product-gallery-main { grid-column: 1; grid-row: 1; }
.pillow-gallery .product-thumbnails { display: grid; grid-column: 1; grid-row: 2; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.pillow-gallery .product-thumb { width: 100%; aspect-ratio: 1; }
.power-bank-gallery .product-gallery-main,
.power-bank-gallery .product-thumb { background: #fff; }
.power-bank-gallery .product-gallery-main img,
.power-bank-gallery .product-thumb img { object-fit: contain; background: #fff; }
.product-spec-copy { padding-top: 8px; }
.product-spec-copy h3 { margin: 12px 0 6px; font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.05; letter-spacing: -.05em; }
.product-spec-copy > p { margin: 0 0 28px; color: #58605c; }
.specification-table { margin: 0; border-top: 1px solid #bdb9b1; }
.specification-table div { display: grid; grid-template-columns: 42% 1fr; gap: 20px; padding: 13px 0; border-bottom: 1px solid #d5cfc5; font-size: .92rem; }
.specification-table dt { color: #69716c; }
.specification-table dd { margin: 0; font-weight: 700; }
.more-options { margin-top: 76px; }
.more-options > div { display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:26px; }
.more-options h3 { margin: 0; font-size: clamp(2rem, 3.3vw, 3.4rem); line-height: 1; letter-spacing: -.055em; }
.more-options p { max-width: 430px; margin: 0; color:#58605c; }
.more-options-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.more-options-grid figure { min-height: 250px; margin: 0; overflow: hidden; position: relative; background: #e8e2d9; }
.option-inquiry-link { display: block; min-width: 0; color: inherit; text-decoration: none; }
.option-inquiry-link:focus-visible { outline: 2px solid var(--warm); outline-offset: 4px; }
.pillow-more-options > .more-options-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pillow-more-options .more-options-grid figure { min-height: 0; aspect-ratio: 4 / 3; background:#fff; }
.pillow-more-options .more-options-grid img { object-fit:contain; }
.more-options-grid img { display:block; width:100%; height:100%; object-fit:cover; transition:transform .35s ease; }
.more-options-grid figure:hover img { transform:scale(1.04); }
.more-options-grid figcaption { position:absolute; left:0; right:0; bottom:0; padding:26px 16px 14px; color:#fff; font-size:.82rem; font-weight:700; background:linear-gradient(transparent,rgba(23,32,29,.75)); }

/* Catalog content: corporate strength, service solutions and certification display */
.catalog-strength { display:grid; grid-template-columns:minmax(0,1.14fr) minmax(0,.86fr); gap:44px; align-items:stretch; width:100%; overflow:hidden; background:#f5f1ea; padding:72px clamp(24px,6vw,96px); }
.catalog-strength-copy, .catalog-strength-image { min-width:0; }
.catalog-strength-copy h2, .catalog-detail h2 { max-width:760px; margin:10px 0 18px; font-size:clamp(2rem,4.2vw,4.4rem); letter-spacing:-.055em; line-height:.98; }
.catalog-strength-copy > p:not(.eyebrow), .catalog-detail-head > p:not(.eyebrow) { max-width:700px; color:#505954; line-height:1.75; }
.strength-summary { max-width:760px; margin:28px 0 0; padding-top:20px; border-top:1px solid #cfc4b5; color:#47514c; font-size:.9rem; line-height:1.9; }
.strength-summary span { display:inline; white-space:normal; }.strength-summary span:not(:last-child)::after { content:'  /  '; color:#b5712d; }.strength-summary b { color:#b5712d; font-size:1.05em; }
.catalog-strength-image { min-height:0; aspect-ratio:3 / 2; margin:0; overflow:hidden; background:#fff; }.catalog-strength-image img { display:block; width:100%; height:100%; object-fit:contain; }
.catalog-detail { width:min(1180px,90vw); margin:72px auto; padding:58px; background:#f5f1ea; }.catalog-detail-head { display:grid; grid-template-columns:.8fr 1.2fr; column-gap:44px; align-items:start; }.catalog-detail-head h2 { margin:0; grid-column:1; }.catalog-detail-head > p { grid-column:2; grid-row:1 / span 2; margin:0; }
.service-layout { display:grid; grid-template-columns:1.18fr .82fr; gap:24px; margin-top:38px; }.service-cards { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; }.service-cards article, .service-process article { background:#fff; border:1px solid #e6ddd0; padding:22px 18px; }.service-cards b, .service-process b { color:#b5712d; font-size:.78rem; letter-spacing:.1em; }.service-cards h3, .service-process h3 { margin:22px 0 8px; font-size:1.05rem; }.service-cards p, .service-process p { margin:0; color:#65706a; font-size:.8rem; line-height:1.5; }.service-process { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.certificate-map { position:relative; overflow:hidden; min-height:380px; margin-top:38px; padding:46px; background:radial-gradient(circle at 50% 45%,#fff 0 26%,transparent 27%),#eae5dc; }.certificate-docs { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; position:relative; z-index:1; }.certificate-docs article { min-height:130px; padding:18px; display:flex; flex-direction:column; justify-content:flex-end; background:#fff; border:6px solid #733b37; box-shadow:0 12px 28px rgba(49,34,24,.13); }.certificate-docs article:nth-child(2n) { transform:translateY(30px); }.certificate-docs b { font-size:1.45rem; color:#1b211e; }.certificate-docs span { margin-top:6px; color:#68716c; font-size:.7rem; }.certificate-marks { display:flex; flex-wrap:wrap; justify-content:center; gap:24px; margin-top:58px; position:relative; z-index:1; }.certificate-marks b { font-size:1.1rem; letter-spacing:.06em; }

@media (max-width: 860px) {
  .hero-carousel-arrows { right: 5vw; bottom: 70px; }
  .footer-heating-logo { width: 154px; height: 54px; }
  .showcase-heading, .showcase-scenario, .product-specification { grid-template-columns: 1fr; }
  .showcase-scenario-copy { min-height: auto; }
  .product-gallery-main { min-height: 390px; }
  .more-options-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-strength, .catalog-detail-head, .service-layout { grid-template-columns:1fr; }.catalog-strength-image { min-height:300px; }.catalog-detail { padding:36px 24px; }.catalog-detail-head > p { grid-column:1; grid-row:auto; margin-top:18px; }.service-cards { grid-template-columns:repeat(2,1fr); }.service-process { grid-template-columns:1fr; }.certificate-docs { grid-template-columns:repeat(2,1fr); }
  .about-content-page { width:min(92vw,720px); padding:56px 0 68px; }.corporate-source-layout, .verification-source-layout { grid-template-columns:1fr; }.factory-source-grid { grid-template-columns:1fr 1fr; grid-template-rows:auto; }.service-source-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width: 540px) {
  .hero-arrow { width: 40px; height: 40px; }
  .product-showcase.is-ready { margin-top: 48px; padding: 52px 0; }
  .showcase-heading { gap: 16px; margin-bottom: 24px; }
  .showcase-scenario-copy { padding: 32px 24px; }
  .product-gallery { grid-template-columns: 1fr; }
  .product-thumbnails { grid-template-columns: repeat(5, 1fr); overflow-x: auto; }
  .product-thumb { width: 58px; }
  .product-gallery-main { min-height: 310px; }
  .more-options > div { display:block; }
  .more-options > div p { margin-top:12px; }
  .more-options-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .more-options-grid figure { min-height: 190px; }
  .catalog-strength { padding:48px 24px; }.catalog-strength-image { width:100%; max-width:100%; min-height:0; }.strength-summary { font-size:.85rem; }.catalog-detail { width:100%; margin:48px 0; }.service-cards { grid-template-columns:1fr; }.certificate-map { padding:26px 18px; }.certificate-docs { gap:10px; }.certificate-docs article { min-height:100px; padding:12px; border-width:4px; }.certificate-marks { gap:14px; margin-top:36px; }
  .about-content-page { width:calc(100% - 40px); padding:42px 0 58px; }.about-page-intro { margin-bottom:28px; }.about-page-intro h1 { font-size:2.45rem; }.factory-source-grid, .service-source-grid { grid-template-columns:1fr; }.corporate-stats-source { min-height:0; }.factory-source-grid figure, .service-source-grid figure { min-height:0; }.certification-source { min-height:0; }
}