.internal-page { background: #fff; font-family: Manrope, sans-serif; }
.internal-page h1,.internal-page h2,.internal-page h3 { letter-spacing: 0; text-wrap: balance; }
.internal-page h1 { max-width: 900px; color: var(--black); font-size: 64px; line-height: 1.04; font-weight: 800; margin-bottom: 24px; }
.internal-page h2 { font-size: 38px; line-height: 1.1; font-weight: 700; }
.internal-page h3 { font-size: 22px; line-height: 1.2; }
.internal-page p { color: var(--muted); line-height: 1.7; text-wrap: pretty; }
.internal-page [hidden] { display: none !important; }
.internal-page :focus-visible { outline: 2px solid var(--black); outline-offset: 5px; }
.internal-page select,.internal-page textarea { font: inherit; }
.internal-page .site-header,.internal-page .site-header.is-scrolled { color: var(--black); background: rgba(255,255,255,.95); border-bottom: 1px solid var(--line); box-shadow: 0 4px 20px rgba(0,0,0,.035); backdrop-filter: blur(10px); }
.internal-page .brand-logo-dark { opacity: 1; }
.internal-page .brand { flex-shrink: 0; }
.internal-page .nav { gap: 25px; color: var(--muted); }
.internal-page .nav a { position: relative; font-size: 12px; }
.internal-page .nav a[aria-current] { color: var(--black); }
.internal-page .nav a[aria-current]::after { content: ''; position: absolute; bottom: -12px; left: 0; right: 0; height: 3px; background: var(--yellow); }
.internal-page .catalog-search { background: #fafafa; border-color: var(--line); color: var(--black); max-width: 250px; }
.internal-page .catalog-search input::placeholder { color: #777; }
.internal-page .catalog-search button { border-left-color: var(--line); min-width: 42px; }
.internal-page .catalog-search button svg { width: 16px; height: 16px; }
.internal-page .header-cta,.internal-page .site-header.is-scrolled .header-cta { background: var(--yellow); color: var(--black); gap: 10px; display: flex; align-items: center; }
.internal-page .header-cta svg { width: 16px; height: 16px; }
.internal-page .menu-toggle { border: 1px solid var(--line); background: #fff; }
.internal-page .menu-toggle span { background: var(--black); }
.internal-page main { padding-top: 96px; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 10000; transform: translateY(-180%); padding: 14px; background: var(--yellow); }
.skip-link:focus { transform: none; }
.ptx-wrap { max-width: 1448px; padding-right: 24px; padding-left: 24px; margin-right: auto; margin-left: auto; }
.ptx-section { padding-top: 76px; padding-bottom: 76px; }
.ptx-section--catalog { padding-top: 32px; }
.ptx-intro { padding-top: 22px; padding-bottom: 55px; }
.ptx-intro > p { max-width: 620px; font-size: 17px; }
.ptx-breadcrumbs { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px 0 38px; color: var(--muted); font-size: 11px; }
.ptx-breadcrumbs svg { width: 12px; height: 12px; }
.ptx-breadcrumbs a:hover { color: var(--black); text-decoration: underline; }
.ptx-intro--catalog { background: #fff8db; padding-bottom: 34px; }
.ptx-catalog-intro { display: grid; grid-template-columns: 1.03fr 1fr; align-items: center; gap: 30px; min-height: 385px; }
.ptx-catalog-intro h1 { font-size: 60px; }
.ptx-catalog-intro p { font-size: 17px; margin-bottom: 26px; }
.ptx-catalog-intro > img { width: 100%; max-height: 385px; object-fit: contain; }
.ptx-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 34px; }
.ptx-section-heading h2 { margin-bottom: 0; }
.ptx-section-heading p { max-width: 440px; margin: 0; font-size: 14px; }
.ptx-inline-link { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; min-height: 44px; }
.ptx-inline-link svg { width: 17px; height: 17px; transition: transform 180ms ease; }
.ptx-inline-link:hover svg { transform: translate(2px,-2px); }
.ptx-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.ptx-button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 48px; padding: 14px 22px; border: 1px solid transparent; border-radius: 6px; font-size: 12px; font-weight: 800; cursor: pointer; transition: background-color 180ms ease, transform 180ms ease, border-color 180ms ease; }
.ptx-button svg { width: 17px; height: 17px; flex-shrink: 0; transition: transform 180ms ease; }
.ptx-button:hover svg { transform: translate(2px,-2px); }
.ptx-button:active { transform: scale(.96); }
.ptx-button--primary { background: var(--yellow); color: var(--black); }
.ptx-button--primary:hover { background: #eeb700; }
.ptx-button--outline { background: transparent; border-color: #b8b8b4; color: var(--black); }
.ptx-button--outline:hover { background: #f4f4f1; border-color: var(--black); }
.ptx-button--light { color: var(--black); background: #fff; }
.ptx-button--light:hover { background: #fff4c0; }
.ptx-family-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.ptx-family-card { position: relative; min-height: 440px; overflow: hidden; border-radius: 6px; display: flex; align-items: end; color: #fff; background: var(--black); }
.ptx-family-card > img { position: absolute; width: 100%; height: 100%; inset: 0; object-fit: cover; transition: transform 500ms ease; }
.ptx-family-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg,transparent 25%,rgba(0,0,0,.85)); }
.ptx-family-card:hover > img { transform: scale(1.045); }
.ptx-family-card > div { position: relative; z-index: 1; padding: 28px; }
.ptx-family-card small { color: var(--yellow); }
.ptx-family-card h3 { font-size: 31px; margin: 8px 0 10px; }
.ptx-family-card p { color: rgba(255,255,255,.85); font-size: 13px; max-width: 32ch; }
.ptx-cutout { position: absolute; top: 0; right: 0; z-index: 2; padding: 12px 17px; color: var(--black); background: #fff; border-radius: 0 0 0 14px; font-size: 10px; font-weight: 800; }
.ptx-card-link { display: inline-flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 800; min-height: 36px; }
.ptx-card-link svg { width: 17px; height: 17px; transition: transform 180ms ease; }
a:hover .ptx-card-link svg,.ptx-card-link:hover svg { transform: translate(2px,-2px); }
.ptx-filterbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ptx-filter-tabs { display: flex; flex-wrap: wrap; gap: 5px; }
.ptx-filter-tabs button { min-height: 42px; padding: 12px 18px; border: 0; background: transparent; border-radius: 5px; font-size: 12px; font-weight: 700; cursor: pointer; transition: background-color 180ms ease; }
.ptx-filter-tabs button:hover { background: #f4f4f1; }
.ptx-filter-tabs button[aria-pressed="true"] { color: var(--black); background: var(--yellow); }
.ptx-filter-search { display: flex; align-items: center; gap: 10px; padding: 0 15px; border: 1px solid var(--line); border-radius: 5px; min-height: 42px; width: 270px; background: #fff; }
.ptx-filter-search svg { width: 16px; height: 16px; flex: 0 0 auto; }
.ptx-filter-search input { min-width: 0; width: 100%; border: 0; background: transparent; font-size: 12px; padding: 10px 0; }
.ptx-filter-title { font-size: 13px; font-weight: 700; }
.ptx-result-count { font-size: 11px; margin: 17px 0; font-variant-numeric: tabular-nums; }
.ptx-product-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 25px; }
.ptx-product { min-width: 0; }
.ptx-product-image { display: block; position: relative; border-radius: 6px; background: #f4f4f1; height: 335px; overflow: hidden; border: 1px solid rgba(0,0,0,.04); }
.ptx-product-image > img { width: 100%; height: 100%; object-fit: contain; padding: 32px 35px 20px; transition: transform 350ms ease; }
.ptx-product-image:hover > img { transform: translateY(-5px) scale(1.025); }
.ptx-product-image > span:first-of-type { position: absolute; left: 18px; top: 16px; font-size: 10px; color: var(--muted); }
.ptx-product-arrow { position: absolute; right: 18px; bottom: 16px; height: 36px; width: 36px; display: grid; place-items: center; border-radius: 50%; background: #fff; }
.ptx-product-arrow svg { width: 17px; height: 17px; }
.ptx-product-copy { padding: 20px 2px 22px; }
.ptx-product-copy small { color: var(--muted); font-size: 10px; }
.ptx-product-copy h3 { font-size: 24px; margin: 7px 0 10px; }
.ptx-product-copy p { font-size: 13px; margin: 0 0 12px; max-width: 38ch; }
.ptx-empty { padding: 60px 24px; text-align: center; background: #f7f7f4; }
.ptx-empty > svg { margin: 0 auto 15px; width: 30px; height: 30px; }
.ptx-assist { padding: 52px 0; background: #fff5c6; }
.ptx-assist-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.ptx-assist h2 { margin-bottom: 12px; }
.ptx-assist p { max-width: 520px; margin-bottom: 0; font-size: 14px; }
.ptx-family-hero { position: relative; min-height: 440px; padding: 20px 0 58px; color: #fff; background: var(--black); }
.ptx-family-hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ptx-family-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg,rgba(0,0,0,.82),rgba(0,0,0,.4) 60%,rgba(0,0,0,.1)); }
.ptx-family-hero > .ptx-wrap { position: relative; z-index: 1; }
.ptx-family-hero .ptx-breadcrumbs { color: #ddd; }
.ptx-family-hero .section-kicker { color: var(--yellow); }
.ptx-family-hero-copy h1 { color: #fff; margin-top: 18px; }
.ptx-family-hero-copy > p { max-width: 590px; font-size: 22px; line-height: 1.4; color: #fff; margin-bottom: 28px; }
.ptx-support-hero { min-height: 470px; }
.ptx-support-hero .ptx-family-hero-copy { max-width: 720px; }
.ptx-support-hero--resources .ptx-family-hero-photo { object-position: 70% 45%; }
.ptx-support-hero--contact .ptx-family-hero-photo { object-position: center 58%; }
.ptx-support-hero :focus-visible { outline-color: var(--yellow); }
.ptx-resource-shortcuts { padding-top: 8px; }
.ptx-family-summary { display: grid; grid-template-columns: 1fr .6fr; gap: 120px; }
.ptx-family-summary > div:first-child { max-width: 650px; }
.ptx-family-summary p { font-size: 15px; }
.ptx-use-list { display: grid; align-content: center; }
.ptx-use-list span { display: flex; align-items: center; gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.ptx-use-list svg { width: 24px; height: 24px; color: #8e7408; }
.ptx-other-families { padding-top: 36px; padding-bottom: 70px; }
.ptx-other-families > a { display: flex; align-items: center; justify-content: space-between; padding: 25px 0; font-size: 27px; font-weight: 700; border-bottom: 1px solid var(--line); }
.ptx-other-families > a:hover { color: #8e7408; }
.ptx-brand-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; padding-bottom: 78px; }
.ptx-brand-panel { display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 6px; }
.ptx-brand-panel-image { height: 375px; position: relative; display: flex; align-items: center; padding: 38px; background: #fff4d0; }
.ptx-brand-panel--green .ptx-brand-panel-image { background: #eaf3e8; }
.ptx-brand-panel-logo { width: 48%; max-height: 150px; object-fit: contain; }
.ptx-brand-panel-bucket { width: 46%; height: 100%; object-fit: contain; margin-left: auto; transition: transform 350ms ease; }
.ptx-brand-panel:hover .ptx-brand-panel-bucket { transform: translateY(-5px); }
.ptx-brand-panel-copy { padding: 29px; }
.ptx-brand-panel-copy h2 { font-size: 32px; }
.ptx-brand-panel-copy p { font-size: 14px; }
.ptx-brand-hero { padding: 20px 0 46px; background: #fff4d0; }
.ptx-brand-hero--green { background: #edf4e7; }
.ptx-brand-hero-layout { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 80px; }
.ptx-brand-wordmark { width: 170px; height: 80px; object-fit: contain; object-position: left center; margin-bottom: 35px; }
.ptx-brand-hero-layout p { max-width: 510px; margin-bottom: 28px; font-size: 16px; }
.ptx-brand-hero-bucket { width: 100%; height: 510px; object-fit: contain; }
.ptx-benefits { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 50px; border-bottom: 1px solid var(--line); }
.ptx-benefits svg { width: 29px; height: 29px; margin-bottom: 23px; }
.ptx-benefits h2 { font-size: 24px; }
.ptx-benefits p { font-size: 14px; }
.ptx-product-detail { padding-top: 20px; padding-bottom: 60px; }
.ptx-product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; }
.ptx-product-stage { position: relative; margin: 0; min-height: 560px; padding: 32px; background: #f4f4f1; border-radius: 6px; display: flex; flex-direction: column; justify-content: center; }
.ptx-stage-label { font-size: 11px; color: var(--muted); }
.ptx-product-stage img { width: 100%; height: 470px; object-fit: contain; margin: 10px auto; }
.ptx-product-stage figcaption { font-size: 10px; line-height: 1.6; color: #777; max-width: 42ch; }
.ptx-product-info { align-self: center; padding: 20px 0; }
.ptx-product-info h1 { font-size: 44px; }
.ptx-product-description { font-size: 16px; }
.ptx-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.ptx-tags span { font-size: 11px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 4px; }
.ptx-specs { border-top: 1px solid var(--line); margin: 22px 0 30px; }
.ptx-specs > div { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.ptx-specs dt { color: var(--muted); }
.ptx-specs dd { margin: 0; font-weight: 600; }
.ptx-product-note { font-size: 11px; margin: 20px 0 0; }
.ptx-product-section-nav { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ptx-product-section-nav > div { display: flex; gap: 48px; }
.ptx-product-section-nav a { padding: 20px 0; font-size: 13px; font-weight: 700; }
.ptx-product-section-nav a:hover { box-shadow: inset 0 -3px var(--yellow); }
.ptx-product-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; }
.ptx-product-facts p { max-width: 45ch; }
.ptx-product-facts ul { list-style: none; padding: 0; margin: 0; }
.ptx-product-facts li { display: flex; gap: 15px; padding: 20px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.6; }
.ptx-product-facts li svg { width: 22px; height: 22px; flex-shrink: 0; color: #7a6800; }
.ptx-document-callout { display: flex; align-items: center; gap: 50px; padding-top: 35px; padding-bottom: 35px; background: #f4f4f1; }
.ptx-document-callout > div { flex: 1; }
.ptx-document-callout > div > svg { width: 30px; height: 30px; margin-bottom: 12px; }
.ptx-document-callout h2 { font-size: 26px; margin-bottom: 10px; }
.ptx-document-callout p { font-size: 13px; max-width: 45ch; margin: 0; }
.ptx-resource-nav { display: flex; flex-wrap: wrap; gap: 26px; border-bottom: 1px solid var(--line); padding: 24px 0 18px; }
.ptx-resource-nav a { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700; min-height: 44px; }
.ptx-resource-nav svg { width: 18px; height: 18px; }
.ptx-doc-row { display: grid; grid-template-columns: 48px 1fr auto 120px; align-items: center; gap: 24px; padding: 22px 10px; border-bottom: 1px solid var(--line); }
.ptx-doc-icon { background: #fff5c6; padding: 12px; display: grid; place-items: center; border-radius: 4px; }
.ptx-doc-icon svg { width: 22px; height: 22px; }
.ptx-doc-row small,.ptx-doc-format { font-size: 11px; color: var(--muted); }
.ptx-doc-row h3 { margin: 4px 0 0; font-size: 20px; }
.ptx-doc-row > a { font-size: 12px; font-weight: 700; display: flex; align-items: center; gap: 9px; min-height: 44px; }
.ptx-doc-row > a svg { width: 17px; height: 17px; }
.ptx-video-band { padding: 65px 0; background: var(--black); color: #fff; }
.ptx-video-layout { display: grid; grid-template-columns: .7fr 1fr; gap: 100px; align-items: center; }
.ptx-video-layout .section-kicker { color: var(--yellow); }
.ptx-video-layout p { color: #ccc; font-size: 14px; max-width: 45ch; margin-bottom: 24px; }
.ptx-video-layout video { display: block; width: 100%; aspect-ratio: 848/478; object-fit: contain; border-radius: 6px; background: #000; }
.ptx-video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; max-width: 760px; margin-inline: auto; }
.ptx-video-card { min-width: 0; }
.ptx-video-player { display: flex; justify-content: center; background: #eceeed; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.ptx-video-player video { display: block; width: 100%; height: auto; aspect-ratio: 9/16; object-fit: contain; background: #000; }
.ptx-video-caption { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding: 20px 0; }
.ptx-video-caption h3 { margin: 0 0 8px; font-size: 22px; }
.ptx-video-caption p { margin: 0; font-size: 14px; color: var(--muted); }
.ptx-video-caption > span { flex-shrink: 0; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
@media (max-width: 680px) {
  .ptx-video-grid { grid-template-columns: 1fr; gap: 24px; }
  .ptx-video-player video { height: auto; width: 100%; max-height: 580px; }
}
.ptx-help-links { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.ptx-help-links > a { position: relative; border-bottom: 1px solid var(--line); padding: 25px 0; }
.ptx-help-links > a > svg:first-child { width: 27px; height: 27px; margin-bottom: 20px; }
.ptx-help-links > a > svg:last-child { position: absolute; top: 25px; right: 0; }
.ptx-help-links h2 { font-size: 29px; }
.ptx-help-links p { font-size: 14px; max-width: 45ch; }
.ptx-story { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; }
.ptx-story p { font-size: 16px; }
.ptx-history-band { background: var(--yellow); padding: 62px 0; }
.ptx-timeline { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 35px; margin-top: 45px; }
.ptx-timeline > div { border-top: 1px solid rgba(0,0,0,.3); padding-top: 20px; }
.ptx-timeline strong { font-family: Archivo,sans-serif; font-size: 44px; }
.ptx-timeline h3 { margin: 18px 0 10px; }
.ptx-timeline p { color: var(--black); font-size: 13px; }
.ptx-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding-top: 76px; padding-bottom: 70px; }
.ptx-contact-copy { padding-top: 25px; }
.ptx-contact-copy p { max-width: 42ch; margin-bottom: 25px; }
.ptx-contact-channel { display: flex; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); padding: 24px 0; max-width: 420px; }
.ptx-contact-channel > svg:first-child { width: 25px; height: 25px; }
.ptx-contact-channel > svg:last-child { width: 18px; height: 18px; margin-left: auto; }
.ptx-contact-channel small { display: block; font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.ptx-contact-channel strong { font-size: 25px; font-variant-numeric: tabular-nums; }
.ptx-contact-copy > .ptx-inline-link { margin-top: 24px; }
.ptx-contact-form { display: grid; gap: 20px; background: #f5f5f2; padding: 34px; border-radius: 6px; }
.ptx-contact-form h2 { font-size: 26px; margin-bottom: 4px; }
.ptx-contact-form label { display: grid; gap: 9px; font-size: 12px; font-weight: 700; }
.ptx-contact-form input,.ptx-contact-form select,.ptx-contact-form textarea { width: 100%; min-width: 0; border: 1px solid #cececa; border-radius: 4px; background: #fff; padding: 14px; font-size: 13px; font-weight: 400; }
.ptx-contact-form textarea { resize: vertical; }
.ptx-field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.ptx-contact-form button { justify-self: start; }
.ptx-contact-form .ptx-form-note { font-size: 11px; margin: -7px 0 0; }
.ptx-presence { border-top: 1px solid var(--line); }
.ptx-region-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px; }
.ptx-region-grid > a { border-top: 2px solid var(--yellow); padding: 24px 20px; background: #f5f5f2; border-radius: 4px; }
.ptx-region-grid > a > svg { width: 27px; height: 27px; margin-bottom: 20px; }
.ptx-region-grid h3 { font-size: 27px; }
.ptx-region-grid > a > span { display: flex; align-items: center; gap: 15px; font-size: 12px; font-weight: 700; }
.ptx-region-grid > a > span svg { width: 17px; height: 17px; }
.ptx-faq-layout { display: grid; grid-template-columns: .55fr 1fr; gap: 100px; padding-bottom: 85px; }
.ptx-faq-layout aside h2 { font-size: 29px; }
.ptx-faq-layout aside p { font-size: 14px; }
.ptx-faq-list details { border-top: 1px solid var(--line); }
.ptx-faq-list details:last-child { border-bottom: 1px solid var(--line); }
.ptx-faq-list summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 25px 0; font-size: 17px; font-weight: 700; cursor: pointer; }
.ptx-faq-list summary::-webkit-details-marker { display: none; }
.ptx-faq-list summary svg { width: 20px; height: 20px; flex-shrink: 0; transition: transform 220ms ease; }
.ptx-faq-list details[open] summary svg { transform: rotate(45deg); }
.ptx-faq-answer { padding: 0 40px 20px 0; }
.ptx-faq-answer p { font-size: 14px; margin: 0; }
.ptx-guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; padding-bottom: 80px; }
.ptx-guide > img { width: 100%; height: 350px; object-fit: cover; border-radius: 6px; }
.ptx-guide > div { padding-top: 22px; }
.ptx-guide small { font-size: 11px; color: var(--muted); }
.ptx-guide h2 { font-size: 31px; margin: 14px 0; max-width: 32ch; }
.ptx-guide p { font-size: 14px; }
.ptx-article-heading { padding-top: 20px; padding-bottom: 40px; }
.ptx-article-heading h1 { max-width: 1000px; font-size: 54px; }
.ptx-article-photo { margin-top: 0; margin-bottom: 60px; }
.ptx-article-photo img { width: 100%; max-height: 520px; object-fit: cover; border-radius: 6px; }
.ptx-article { max-width: 780px; padding: 0 24px 75px; margin: 0 auto; }
.ptx-article h2 { font-size: 32px; margin-top: 45px; }
.ptx-article h3 { margin-top: 30px; }
.ptx-article ul { padding-left: 22px; color: var(--muted); line-height: 1.9; }
.ptx-article-related { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.internal-footer { margin-top: 0; }
.internal-footer .footer-main { grid-template-columns: 1fr 330px; }
.internal-footer .footer-links { grid-template-columns: repeat(4,minmax(0,1fr)); }
.internal-footer .footer-cta { display: flex; align-items: center; gap: 20px; }
.internal-footer .footer-cta svg { width: 18px; height: 18px; }
.internal-footer .footer-bottom a { display: inline-flex; align-items: center; gap: 8px; }
.internal-footer .footer-bottom svg { width: 14px; height: 14px; }

@media (max-width: 1100px) {
  .internal-page .site-header { flex-wrap: wrap; }
  .internal-page .nav { gap: 18px; }
  .internal-page .catalog-search { max-width: 200px; }
  .ptx-catalog-intro h1 { font-size: 50px; }
  .ptx-brand-hero-layout,.ptx-product-detail-grid,.ptx-story,.ptx-family-summary,.ptx-contact-grid,.ptx-video-layout,.ptx-faq-layout { gap: 45px; }
  .ptx-product-image { height: 295px; }
  .ptx-family-card { min-height: 390px; }
  .ptx-family-card > div { padding: 22px; }
  .ptx-document-callout { flex-wrap: wrap; gap: 25px; }
  .internal-footer .footer-main { grid-template-columns: 1fr; }
  .internal-footer .footer-contact { max-width: 500px; }
}
@media (max-width: 960px) {
  .internal-page .site-header { flex-wrap: nowrap; padding: 16px 22px; gap: 15px; }
  .internal-page .brand { width: 145px; }
  .internal-page .menu-toggle { display: flex; margin-left: auto; order: 3; }
  .internal-page .header-cta { display: none; }
  .internal-page .nav { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; padding: 20px 24px 32px; background: #fff; border-bottom: 1px solid var(--line); gap: 0; }
  .internal-page .site-header.is-open .nav { display: flex; }
  .internal-page .nav a { font-size: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
  .internal-page .nav a[aria-current]::after { display: none; }
  .internal-page .catalog-search { max-width: 230px; margin-left: auto; order: 2; }
  .internal-page main { padding-top: 88px; }
  .ptx-catalog-intro { grid-template-columns: 1fr; gap: 15px; }
  .ptx-catalog-intro > img { max-height: 300px; }
  .ptx-product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .ptx-family-card h3 { font-size: 27px; }
  .ptx-brand-panel-image { height: 290px; padding: 24px; }
  .ptx-assist-inner { align-items: start; flex-direction: column; gap: 25px; }
  .ptx-product-detail-grid { gap: 35px; }
  .ptx-product-info h1 { font-size: 36px; }
  .ptx-product-stage { min-height: 450px; padding: 23px; }
  .ptx-product-stage img { height: 360px; }
  .ptx-benefits { gap: 30px; }
}
@media (max-width: 680px) {
  .internal-page h1 { font-size: 40px; }
  .internal-page h2 { font-size: 29px; }
  .internal-page .site-header { padding: 15px 18px; gap: 10px; }
  .internal-page .brand { width: 115px; }
  .internal-page .catalog-search { width: 155px; min-width: 0; }
  .internal-page .catalog-search input { padding: 0 9px; font-size: 10px; }
  .internal-page .menu-toggle { width: 38px; flex-shrink: 0; }
  .internal-page main { padding-top: 76px; }
  .ptx-wrap { padding-left: 20px; padding-right: 20px; }
  .ptx-section { padding-top: 48px; padding-bottom: 48px; }
  .ptx-section--catalog { padding-top: 16px; }
  .ptx-intro { padding-top: 12px; padding-bottom: 30px; }
  .ptx-breadcrumbs { padding-bottom: 27px; font-size: 10px; gap: 7px; }
  .ptx-intro > p { font-size: 14px; }
  .ptx-catalog-intro h1 { font-size: 40px; }
  .ptx-catalog-intro p { font-size: 14px; }
  .ptx-catalog-intro > img { max-height: 210px; }
  .ptx-section-heading { display: block; margin-bottom: 25px; }
  .ptx-section-heading p { margin-top: 15px; }
  .ptx-section-heading > .ptx-inline-link { margin-top: 16px; }
  .ptx-family-grid { grid-template-columns: 1fr; gap: 12px; }
  .ptx-family-card { min-height: 320px; }
  .ptx-family-card h3 { font-size: 30px; }
  .ptx-filterbar { align-items: stretch; flex-direction: column; gap: 16px; }
  .ptx-filter-tabs { gap: 0; }
  .ptx-filter-tabs button { padding: 11px; font-size: 11px; }
  .ptx-filter-search { width: 100%; }
  .ptx-product-grid { gap: 20px 12px; }
  .ptx-product-image { height: 205px; }
  .ptx-product-image > img { padding: 32px 13px 10px; }
  .ptx-product-image > span:first-of-type { top: 10px; left: 10px; right: 10px; font-size: 8px; line-height: 1.2; }
  .ptx-product-arrow { width: 28px; height: 28px; right: 10px; bottom: 10px; }
  .ptx-product-copy { padding-top: 14px; }
  .ptx-product-copy h3 { font-size: 18px; }
  .ptx-product-copy p { font-size: 11px; }
  .ptx-product-copy .ptx-card-link { font-size: 11px; gap: 8px; }
  .ptx-family-hero { min-height: 410px; padding: 14px 0 38px; }
  .ptx-support-hero { min-height: 410px; }
  .ptx-family-hero-copy > p { font-size: 20px; }
  .ptx-family-hero .ptx-actions { gap: 8px; }
  .ptx-family-hero .ptx-button { padding: 13px 15px; font-size: 11px; }
  .ptx-family-summary,.ptx-brand-hero-layout,.ptx-product-detail-grid,.ptx-product-facts,.ptx-video-layout,.ptx-story,.ptx-contact-grid,.ptx-faq-layout,.ptx-help-links { grid-template-columns: 1fr; gap: 32px; }
  .ptx-use-list span { padding: 14px 0; }
  .ptx-brand-grid,.ptx-guide-grid { grid-template-columns: 1fr; gap: 24px; }
  .ptx-brand-panel-image { height: 280px; }
  .ptx-brand-hero { padding-top: 14px; }
  .ptx-brand-wordmark { width: 155px; height: 65px; margin-bottom: 25px; }
  .ptx-brand-hero-bucket { height: 330px; }
  .ptx-brand-hero-layout { gap: 20px; }
  .ptx-brand-hero-layout p { font-size: 14px; }
  .ptx-benefits { grid-template-columns: 1fr; padding-top: 40px; padding-bottom: 30px; gap: 24px; }
  .ptx-benefits > div { border-bottom: 1px solid var(--line); padding-bottom: 20px; }
  .ptx-benefits h2 { font-size: 24px; }
  .ptx-product-detail { padding-top: 12px; padding-bottom: 35px; }
  .ptx-product-info h1 { font-size: 35px; }
  .ptx-product-stage { min-height: 380px; }
  .ptx-product-stage img { height: 310px; }
  .ptx-product-info { padding: 0; }
  .ptx-product-section-nav > div { gap: 23px; overflow: auto; }
  .ptx-product-section-nav a { font-size: 11px; white-space: nowrap; }
  .ptx-document-callout { margin-right: 20px; margin-left: 20px; padding: 28px 22px; display: grid; gap: 22px; }
  .ptx-resource-nav { gap: 9px 20px; }
  .ptx-resource-nav a { font-size: 12px; }
  .ptx-doc-row { grid-template-columns: 38px 1fr 85px; gap: 12px; padding: 19px 0; }
  .ptx-doc-icon { padding: 9px; }
  .ptx-doc-icon svg { width: 19px; height: 19px; }
  .ptx-doc-row h3 { font-size: 16px; }
  .ptx-doc-format { display: none; }
  .ptx-doc-row > a { font-size: 11px; gap: 4px; }
  .ptx-video-band { padding: 45px 0; }
  .ptx-timeline { grid-template-columns: 1fr 1fr; gap: 30px 22px; }
  .ptx-timeline h3 { font-size: 19px; }
  .ptx-history-band { padding: 45px 0; }
  .ptx-contact-grid { gap: 34px; padding-top: 45px; padding-bottom: 45px; }
  .ptx-contact-copy { padding-top: 0; }
  .ptx-contact-form { padding: 24px 20px; gap: 18px; }
  .ptx-contact-form h2 { font-size: 24px; }
  .ptx-contact-channel strong { font-size: 23px; }
  .ptx-field-grid { grid-template-columns: 1fr; gap: 18px; }
  .ptx-region-grid { grid-template-columns: 1fr; gap: 14px; }
  .ptx-faq-layout { padding-bottom: 45px; }
  .ptx-faq-layout aside { padding-bottom: 16px; }
  .ptx-faq-list summary { font-size: 15px; padding: 23px 0; }
  .ptx-faq-answer { padding-right: 0; }
  .ptx-guide > img { height: 260px; }
  .ptx-guide h2 { font-size: 27px; }
  .ptx-article-heading h1 { font-size: 37px; }
  .ptx-article-photo img { height: 270px; }
  .ptx-article { padding-left: 20px; padding-right: 20px; }
  .ptx-article h2 { font-size: 27px; }
  .ptx-assist { padding: 40px 0; }
  .internal-footer .footer-top { gap: 26px; }
  .internal-footer .footer-links { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .internal-page *, .internal-page *::before,.internal-page *::after { scroll-behavior: auto; transition: none !important; animation: none !important; }
}