/* EBTIOT: an editorial product layout, adapted from ai-design-skills.
   The approved product imagery and existing interactive behavior stay intact. */
@font-face {
  font-family: Manrope;
  src: url("/_site/fonts/manrope-variable.ttf") format("truetype");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
:root {
  --design-accent: #bc4e1d;
  --design-line: #dddfd7;
  --design-muted: #62675d;
  --design-ease: cubic-bezier(.32,.72,0,1);
}
body {
  font-family: Manrope, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-variant-numeric: tabular-nums;
}
button, input, select, textarea { font-family: inherit; }
p { text-wrap: pretty; }
:is(a, button, summary) {
  transition: color 240ms var(--design-ease), background-color 240ms var(--design-ease),
    border-color 240ms var(--design-ease), transform 240ms var(--design-ease);
}
:is(.button, .sales-action, .nav-download, .nav-action, .inquiry-actions button):active {
  transform: translateY(1px);
}
:is(.audit-home,.audit-page) :is(a,button,input,select,textarea,summary):focus-visible {
  outline: 3px solid var(--design-accent);
  outline-offset: 4px;
}
.audit-home .contact-section :focus-visible, .audit-home .system-section :focus-visible,
.audit-page .company-bar :focus-visible,
.audit-sensor .closing :focus-visible { outline-color: #f5cfb9; }

/* One calm navigation surface and one clear first-view action. */
.audit-home .site-header {
  width: min(1240px, calc(100% - 48px));
  height: 80px;
  margin: 16px auto 0;
  top: 16px;
  border: 1px solid #dddfd7;
  border-radius: 48px;
  background: #ffffffed;
  box-shadow: 0 8px 32px #24291f08;
}
.audit-home .header-inner { width: 100%; padding-inline: 24px; }
.audit-home .site-header nav { gap: 32px; }
.audit-home .site-header nav a { font-size: 14px; font-weight: 500; }
.audit-home .nav-contact { border: 0; }
.audit-home .language-switch { background: #f7f6f2; border-color: #dddfd7; }
.audit-home .home-hero { grid-template-columns: .92fr 1.08fr; gap: 48px; padding-block: 48px; }
.audit-home .home-hero h1 {
  font-size: 72px; line-height: 1.16; letter-spacing: -.055em;
  font-weight: 600; margin: 24px 0;
}
.audit-home .home-hero h1 span { color: var(--design-accent); }
.audit-home .eyebrow { font-size: 12px; font-weight: 600; }
.audit-home .hero-description { font-size: 16px; line-height: 1.8; color: var(--design-muted); }
.audit-home .hero-actions { gap: 16px 24px; flex-wrap: wrap; margin-top: 32px; }
.audit-home .hero-actions .button {
  border-radius: 32px; padding: 16px 24px; font-size: 16px; font-weight: 600;
  background: var(--design-accent); color: #fff;
}
.audit-home .hero-actions .button:hover { background: #8b4825; }
.audit-home .quiet-link { font-size: 14px; }
.audit-home .hero-caption { margin-top: 32px; font-size: 12px; line-height: 1.7; flex-wrap: wrap; }
.audit-home .hero-visual {
  min-height: 480px; border-radius: 24px; background: #eeede8;
  border: 1px solid #dddfd7;
}
.audit-home .hero-visual img { width: 100%; margin: 0; max-width: 100%; }
.audit-home .visual-label { top: 24px; left: 24px; font-size: 12px; }
.audit-home .visual-footer { bottom: 24px; left: 24px; right: 24px; font-size: 12px; letter-spacing: .08em; }
.audit-home .hero-visual:hover { border-color: #bc4e1d; }
.audit-home .capability-line { padding-block: 24px; gap: 24px; }
.audit-home .capability-line p { font-size: 12px; }

/* Full catalog boards, model-first hierarchy, and a complete final row. */
.audit-home .products-section { padding-block: 80px 64px; }
.audit-home .section-heading { margin-bottom: 40px; gap: 48px; }
.audit-home :is(.section-heading,.about-statement,.contact-inner) h2 {
  font-size: 48px; line-height: 1.25; font-weight: 600; letter-spacing: -.04em;
}
.audit-home .section-description { font-size: 16px; line-height: 1.8; }
.audit-home .sales-overview { border-radius: 12px; padding: 16px 24px; font-size: 14px; }
.audit-home .product-finder {
  padding: 0; margin-bottom: 32px; border: 0; border-radius: 0; background: transparent;
}
.audit-home .product-finder p { color: var(--design-muted); font-size: 14px; margin-bottom: 16px; }
.audit-home .product-finder nav { gap: 12px; }
.audit-home .product-finder a {
  padding: 16px; gap: 8px; background: #fff; border-radius: 12px; min-height: 96px;
  border-color: var(--design-line); font-size: 12px;
}
.audit-home .product-finder strong { font-size: 24px; line-height: 1; font-weight: 600; }
.audit-home .product-finder a:hover { background: #f7f6f2; border-color: var(--design-accent); transform: translateY(-2px); }
.audit-home .product-grid { gap: 32px; }
.audit-home .product-grid .featured-product { border: 0; border-radius: 24px; background: #fff; }
.audit-home .product-grid .featured-image { aspect-ratio: 3 / 2; background: #eeede8; }
.audit-home .product-grid .featured-image img { aspect-ratio: auto; object-fit: contain; mix-blend-mode: normal; }
.audit-home .product-grid .featured-copy { padding: 32px; }
.audit-home .product-state { font-size: 12px; line-height: 1.6; color: #8b4825; letter-spacing: .025em; }
.audit-home .product-grid .featured-copy h3 { margin-top: 16px; font-size: 24px; line-height: 1.4; font-weight: 600; }
.audit-home .model-name { font-size: 60px; line-height: 1; font-weight: 600; color: var(--design-accent); margin-bottom: 12px; }
.audit-home .product-grid .featured-copy>p:not(.product-state):not(.concept-note) {
  font-size: 16px; line-height: 1.8; color: var(--design-muted); margin-top: 16px;
}
.audit-home .feature-tags { margin: 24px 0; gap: 8px; }
.audit-home .feature-tags li { font-size: 12px; line-height: 1.6; border-radius: 4px; padding: 4px 8px; }
.audit-home .product-grid .text-link { padding-block: 16px; font-size: 14px; font-weight: 600; gap: 16px; }
.audit-home .product-grid .text-link span { margin-left: auto; flex-shrink: 0; }
.audit-home .product-grid .text-link:hover { color: var(--design-accent); }
.audit-home .product-grid .text-link:hover span { transform: translateX(4px); }
.audit-home .text-link span { transition: transform 240ms var(--design-ease); }
.audit-home .product-grid .concept-note { font-size: 12px; line-height: 1.8; color: var(--design-muted); margin-top: 0; padding-top: 16px; }
.audit-home #product-f6 { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; }
.audit-home #product-f6 .featured-image { aspect-ratio: auto; padding: 24px; }
.audit-home #product-f6 .featured-image img { height: 100%; max-height: 640px; object-fit: contain; }
.audit-home #product-f6 .featured-copy { justify-content: center; padding: 48px; }
.audit-home .product-resources { padding-top: 32px; gap: 8px 32px; }
.audit-home .product-resources p { font-size: 14px; }
.audit-home .product-resources a { font-size: 14px; }

/* Clearer connection roles, quieter supporting sections, legible inquiry. */
.audit-home .system-section { padding-block: 80px; }
.audit-home .system-heading h2 { font-size: 48px; line-height: 1.25; font-weight: 600; }
.audit-home .system-heading>p { font-size: 16px; line-height: 1.8; }
.audit-home .system-flow { gap: 32px; margin-block: 48px 32px; }
.audit-home .system-flow>li { padding: 32px 16px; }
.audit-home .system-flow h3 { font-size: 24px; line-height: 1.4; }
.audit-home .system-flow p, .audit-home .system-flow a { font-size: 14px; }
.audit-home .system-flow img { border-radius: 16px; height: 160px; max-width: 240px; }
.audit-home .connection-label, .audit-home .system-note { font-size: 12px; line-height: 1.8; }
.audit-home .solutions-section { background: #eaece4; padding-block: 80px; }
.audit-home .solution-row { padding-block: 32px; }
.audit-home .solution-row h3 { font-size: 24px; font-weight: 600; }
.audit-home .solution-row p { font-size: 16px; line-height: 1.8; }
.audit-home .solution-row a { font-size: 14px; }
.audit-home .about-section { padding-block: 80px; gap: 64px; }
.audit-home .about-copy>p+p { font-size: 16px; }
.audit-home .work-steps { margin-top: 32px; }
.audit-home .work-steps span { font-size: 14px; font-weight: 600; }
.audit-home .work-steps p { font-size: 14px; line-height: 1.8; }
.audit-home .contact-section { padding-block: 80px; }
.audit-home .contact-description, .audit-home .contact-details { font-size: 16px; line-height: 1.8; }
.audit-home .contact-link { font-size: 30px; line-height: 1.5; }
.audit-home .contact-email { font-size: 18px; }
.audit-home .contact-inner { gap: 48px; }
.audit-home .inquiry { padding: 40px; border-radius: 24px; background: #f7f6f2; color: #20211e; border: 0; }
.audit-home .inquiry h3 { font-size: 30px; line-height: 1.4; font-weight: 600; }
.audit-home .inquiry p, .audit-home .inquiry small { color: var(--design-muted); }
.audit-home .inquiry label { font-weight: 500; }
.audit-home .inquiry :is(input,select,textarea) { border-radius: 12px; border-color: #dddfd7; }
.audit-home .inquiry-actions button, .audit-home .inquiry-actions a { font-weight: 600; background: #20211e; color: #fff; border: 0; }
.audit-home .inquiry-actions :is(button,a):hover { background: var(--design-accent); }
.audit-home .inquiry :focus-visible { outline-color: var(--design-accent); }
.audit-home .footer-main nav { gap: 8px 24px; font-size: 12px; }

/* Shared detail-page polish, without touching their engineering illustrations. */
.audit-page :is(.hero-sub,.intro,.hero-description) { color: var(--design-muted); }
.audit-page :is(.hero h1,.product-hero h1,.hero-grid h1) { font-weight: 600; }
.audit-valve .hero { padding-block: 64px; gap: 24px 48px; }
.audit-valve .hero-product { border-radius: 24px; mix-blend-mode: normal; }
.audit-sensor .product-hero { padding-block: 64px; gap: 48px; }
.audit-sensor .image-board { border-radius: 24px; }
.audit-page .sales-panel { padding: 24px; border-radius: 16px; background: #eaece4; border-left: 0; }
.audit-page .sales-status { color: #8b4825; font-size: 12px; font-weight: 600; line-height: 1.6; background: transparent; border: 0; border-radius: 0; padding: 0; }
.audit-page .sales-selection { font-size: 14px; line-height: 1.8; color: var(--design-muted); }
.audit-page .sales-action { border-radius: 32px; background: var(--design-accent); color: #fff; font-size: 14px; font-weight: 600; padding: 12px 24px; text-decoration: none; }
.audit-page .sales-action:hover { background: #8b4825; }
.product-film { font-family: inherit; }
.audit-page .pf-video, .audit-home .brand-film-video { border-radius: 24px; }
.audit-page :is(.chapter-heading,.section-heading) p { font-size: 16px; line-height: 1.8; }

@media (min-width: 701px) {
  .audit-home .product-grid .featured-copy h3 { min-height: 106px; }
  .audit-home .product-grid .featured-copy>p:not(.product-state):not(.concept-note) { min-height: 116px; }
  .audit-home .product-grid .feature-tags { min-height: 56px; align-content: start; }
  .audit-home #product-f6 .featured-copy h3,
  .audit-home #product-f6 .featured-copy>p:not(.product-state):not(.concept-note),
  .audit-home #product-f6 .feature-tags { min-height: 0; }
}
@media (min-width: 701px) and (max-width: 1050px) {
  .audit-home .home-hero { gap: 32px; }
  .audit-home .home-hero h1 { font-size: 60px; }
  .audit-home .hero-visual { min-height: 400px; }
  .audit-home .site-header nav { gap: 16px; }
  .audit-home .header-inner { padding-inline: 16px; }
  .audit-home .site-header nav a { font-size: 12px; }
  .audit-home .product-grid .featured-copy { padding: 24px; }
  .audit-home .product-grid .featured-copy h3 { min-height: 140px; }
  .audit-home .product-grid .featured-copy>p:not(.product-state):not(.concept-note) { min-height: 174px; }
  .audit-home #product-f6 .featured-copy { padding: 32px; }
}
html[lang=en] .audit-home .home-hero h1 { font-size: 60px; }
@media (max-width: 700px) {
  .audit-home .site-header { width: calc(100% - 24px); height: 64px; top: 8px; margin-top: 8px; border-radius: 24px; }
  .audit-home .header-inner { padding-inline: 12px; }
  .audit-home .site-header #site-nav { top: calc(100% + 8px); padding: 16px 24px; border: 1px solid #dddfd7; border-radius: 24px; background: #f7f6f2; }
  .audit-home .site-header #site-nav a { font-size: 16px; }
  .audit-home .nav-toggle { min-height: 44px; gap: 4px; padding-inline: 8px; }
  .audit-home .nav-toggle span { transition: transform 240ms var(--design-ease); }
  .audit-home .nav-toggle[aria-expanded=true] span { transform: rotate(45deg); }
  .audit-home .home-hero { display: grid; grid-template-columns: minmax(0,1fr); padding-block: 32px; gap: 16px; }
  .audit-home .hero-copy { display: contents; }
  .audit-home .hero-copy>.eyebrow { grid-row: 1; }
  .audit-home .home-hero h1 { grid-row: 2; font-size: 48px; line-height: 1.2; margin: 0; }
  .audit-home .hero-description { grid-row: 4; }
  .audit-home .hero-actions { grid-row: 5; }
  .audit-home .hero-caption { grid-row: 6; }
  html[lang=en] .audit-home .home-hero h1 { font-size: 36px; line-height: 1.2; }
  .audit-home .hero-visual { grid-row: 3; min-height: 0; padding-block: 40px; border-radius: 24px; }
  .audit-home .hero-actions { gap: 8px 16px; margin-top: 24px; }
  .audit-home .hero-actions .button { padding: 12px 16px; font-size: 14px; }
  .audit-home .quiet-link { font-size: 12px; }
  .audit-home .hero-caption { margin-top: 24px; gap: 8px 12px; }
  .audit-home .visual-label { top: 16px; left: 16px; }
  .audit-home .visual-footer { bottom: 16px; left: 16px; right: 16px; font-size: 12px; }
  .audit-home .capability-line { gap: 12px; padding-block: 16px; }
  .audit-home .products-section { padding-block: 48px; }
  .audit-home :is(.section-heading,.about-statement,.contact-inner) h2,
  .audit-home .system-heading h2 { font-size: 36px; line-height: 1.25; }
  .audit-home .section-heading { margin-bottom: 32px; }
  .audit-home .section-description { font-size: 14px; }
  .audit-home .sales-overview { padding: 16px; font-size: 12px; }
  .audit-home .product-finder nav { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .audit-home .product-finder a { padding: 12px; min-height: 88px; }
  .audit-home .product-finder a:last-child { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: flex-start; gap: 16px; min-height: 64px; }
  .audit-home .product-grid { gap: 24px; }
  .audit-home .product-grid .featured-copy { padding: 24px; }
  .audit-home .model-name { font-size: 48px; }
  .audit-home .product-grid .featured-copy h3 { font-size: 20px; }
  .audit-home .product-grid .featured-copy>p:not(.product-state):not(.concept-note) { font-size: 14px; }
  .audit-home .feature-tags { margin: 24px 0 16px; }
  .audit-home #product-f6 { display: flex; grid-column: auto; }
  .audit-home #product-f6 .featured-image { aspect-ratio: 1; padding: 16px; }
  .audit-home #product-f6 .featured-copy { padding: 24px; }
  .audit-home .product-resources { gap: 4px 24px; }
  .audit-home .system-section, .audit-home .solutions-section,
  .audit-home .about-section, .audit-home .contact-section { padding-block: 48px; }
  .audit-home .system-heading>p { font-size: 14px; }
  .audit-home .system-flow { gap: 32px; margin-block: 32px; }
  .audit-home .system-flow>li { padding: 24px 0 0; column-gap: 16px; }
  .audit-home .system-flow img { width: 100px; height: 100px; }
  .audit-home .system-flow h3 { font-size: 20px; }
  .audit-home .system-flow p, .audit-home .system-flow a { font-size: 12px; }
  .audit-home .solution-row { padding-block: 24px; }
  .audit-home .solution-row p { font-size: 14px; }
  .audit-home .contact-description, .audit-home .contact-details { font-size: 14px; }
  .audit-home .contact-link { font-size: 24px; }
  .audit-home .contact-email { font-size: 16px; }
  .audit-home .inquiry { padding: 24px; }
  .audit-home .inquiry h3 { font-size: 24px; }
  .audit-valve .hero, .audit-sensor .product-hero { padding-block: 32px; gap: 16px; }
  .audit-page .sales-panel { padding: 16px; }
  .audit-page .sales-selection { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto !important; }
}