/* Public experience: readable engineering information and consistent contact actions. */
:root {
  --text: #18332e;
  --text-soft: #344f48;
  --muted: #526760;
  --blue: #175f55;
  --blue-deep: #104a42;
  --page: #f7f8f4;
  --line: #d8e0da;
  --shadow-soft: 0 8px 25px rgba(27, 57, 46, .05);
  --shadow: 0 16px 42px rgba(27, 57, 46, .09);
}
html { scroll-padding-top: 104px; }
body { padding-bottom: 104px; background: var(--page); }
body::before { content: none; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #a36b20; outline-offset: 4px; }
.reveal, .reveal.visible { opacity: 1; transform: none; transition: none; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(250,251,248,.97); backdrop-filter: none; -webkit-backdrop-filter: none; }
.header-inner { gap: 22px; }
.brand-seal { border-radius: 9px; background: #175f55; box-shadow: none; }
.brand-copy strong { letter-spacing: 0; }
.desktop-nav a { padding: 12px 8px; font-size: 14px; white-space: nowrap; }
.desktop-nav a.active { background: #175f55; border-radius: 7px; box-shadow: none; }
.button { border-radius: 8px; box-shadow: none; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: #175f55; }
.button-primary:hover { background: #104a42; }
.button-ghost { border-color: #bacdc3; background: transparent; box-shadow: none; backdrop-filter: none; }
.section-label, .service-page-index, .platform-page-index { font-size: 12px; letter-spacing: .06em; }
.section { padding-block: 76px; }
.section-heading h2 { font-size: clamp(28px,3.2vw,40px); line-height: 1.3; letter-spacing: -.025em; }
.section-heading > p { font-size: 15px; line-height: 1.8; }
.section-heading { gap: 32px; margin-bottom: 32px; }
.service-page-copy h1, .service-map-copy h1, .capability-hero-copy h1,
.platform-hero-copy h1, .resource-nav-hero .platform-hero-copy h1 { font-size: clamp(36px,4.2vw,56px); line-height: 1.2; letter-spacing: -.025em; }
.service-page-copy > p, .service-map-copy > p, .capability-hero-copy > p, .platform-hero-copy > p { font-size: 16px; line-height: 1.85; }
.service-page-hero { padding-block: 56px; }
.service-page-hero-grid, .capability-hero-grid, .service-map-hero-grid, .platform-hero-grid { min-height: 0; }
.platform-hero { padding-block: 56px; }
.resource-nav-hero .platform-hero-grid { min-height: 0; }
.service-scope-grid p, .service-scenario-grid p, .service-workflow-card > div p,
.field-service-card > p, .field-service-feature > p, .paired-field-card p,
.expert-direction-card p, .network-feature-card p, .official-resource-card > p,
.knowledge-card p, .standard-card p, .guide-card p { font-size: 15px; line-height: 1.85; }
.service-scope-grid li, .service-workflow-card li p, .official-resource-card dd,
.resource-card-foot a, .resource-use-card li p, .platform-disclaimer p,
.tech-layer-card li, .tech-layer-card p { font-size: 14px; line-height: 1.8; }
.service-breadcrumb { display: inline-block; min-height: 44px; margin-bottom: 12px; font-size: 14px; }
.home-lead { border-bottom: 1px solid var(--line); }
.home-lead-grid { display: grid; grid-template-columns: 1.12fr 1fr; gap: 60px; align-items: center; padding-block: 58px; }
.home-kicker { display: flex; align-items: center; gap: 12px; color: #466158; font-size: 13px; }
.home-kicker::before { content: ""; width: 28px; height: 2px; background: #a36b20; }
.home-lead h1 { margin: 22px 0; font-size: clamp(32px,3.5vw,48px); line-height: 1.35; letter-spacing: -.045em; }
.home-lead h1 em { font-style: normal; color: #175f55; }
.home-lead p { max-width: 36em; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.home-lead .hero-actions { margin-top: 28px; }
.home-lead .home-promise { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 24px; padding: 0; list-style: none; font-size: 13px; color: #466158; }
.home-promise li::before { content: "✓"; color: #175f55; margin-right: 6px; }
.media-slot { min-width: 0; margin: 0; }
.media-frame { position: relative; overflow: hidden; border: 1px solid #ccd9cf; border-radius: 10px; background: #e9eeeb; aspect-ratio: 3 / 2; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-status { position: absolute; top: 16px; left: 16px; padding: 5px 10px; color: #344f48; background: rgba(255,255,255,.94); border: 1px solid #ccd9cf; border-radius: 4px; font-size: 12px; }
.media-slot figcaption { display: flex; justify-content: space-between; gap: 16px; padding-top: 12px; font-size: 13px; color: var(--muted); }
.media-slot figcaption strong { color: var(--text); font-weight: 600; }
.home-lead .media-frame { border-radius: 10px 10px 58px 10px; }
.home-lead .media-slot figcaption { padding-right: 24px; }
.home-audience { border-top: 1px solid var(--line); padding: 16px 0; display: flex; gap: 24px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
.home-audience strong { color: var(--text); }
.needs-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.need-card { display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--line); border-radius: 10px; background: #fff; transition: border-color .2s, transform .2s; }
.need-card:hover { border-color: #175f55; transform: translateY(-3px); }
.need-card > span { color: #6c786c; font-size: 12px; }
.need-card h3 { margin: 20px 0 12px; font-size: 22px; line-height: 1.5; letter-spacing: -.015em; }
.need-card p { margin: 0 0 22px; font-size: 15px; color: var(--muted); line-height: 1.8; }
.need-card > strong { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); font-size: 14px; color: #175f55; }
.need-card-feature { border-top: 3px solid #a36b20; padding-top: 24px; }
.help-inline { margin-top: 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 15px; }
.help-inline p { margin: 0; color: var(--muted); }
.help-inline a { color: #175f55; text-decoration: underline; text-underline-offset: 4px; }
.feature-band { padding-block: 64px; background: #173d34; color: #fff; }
.feature-band-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; }
.feature-band .section-label { color: #e5c087; }
.feature-band h2 { margin: 16px 0 20px; font-size: clamp(28px,3vw,40px); line-height: 1.4; letter-spacing: -.025em; }
.feature-band p { color: #d2e0d8; font-size: 16px; line-height: 1.85; }
.feature-band .button { color: #173d34; background: #f4f7eb; }
.feature-deliverables { padding: 0; margin: 0; list-style: none; }
.feature-deliverables li { display: grid; grid-template-columns: 38px 1fr; gap: 6px 18px; padding: 22px 0; border-bottom: 1px solid #4d6b60; }
.feature-deliverables span { grid-row: span 2; color: #e5c087; font-size: 13px; }
.feature-deliverables strong { font-size: 20px; }
.feature-deliverables p { margin: 0; font-size: 14px; }
.work-gallery { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.work-gallery h3 { margin: 18px 0 10px; font-size: 21px; }
.work-gallery p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.evidence-note { margin: 22px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.how-section { border-block: 1px solid var(--line); background: #edf1e9; }
.how-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; }
.how-intro h2 { font-size: clamp(28px,3vw,40px); line-height: 1.4; margin-top: 16px; }
.how-intro p { font-size: 15px; color: var(--muted); line-height: 1.85; }
.how-intro a { display: inline-block; color: #175f55; padding-block: 12px; text-decoration: underline; text-underline-offset: 4px; }
.how-list { list-style: none; padding: 0; margin: 0; }
.how-list li { display: grid; grid-template-columns: 36px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid #c9d4c8; }
.how-list li:first-child { padding-top: 0; }
.how-list span { color: #79612d; font-size: 13px; }
.how-list h3 { font-size: 20px; margin: 0 0 8px; }
.how-list p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 60px; }
.faq-layout h2 { font-size: clamp(28px,3vw,40px); line-height: 1.4; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-list summary { cursor: pointer; padding: 8px 30px 8px 0; font-size: 18px; line-height: 1.5; }
.faq-list p { margin: 10px 0; font-size: 15px; line-height: 1.9; color: var(--muted); }
.faq-list a { color: #175f55; text-decoration: underline; }
.service-benefits { margin: 0; padding-block: 36px; background: #edf1e9; border-block: 1px solid var(--line); }
.service-benefit-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; }
.service-benefit-grid article + article { border-left: 1px solid #c9d4c8; padding-left: 28px; }
.service-benefit-grid h2 { margin: 0 0 10px; font-size: 17px; }
.service-benefit-grid p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.field-evidence { padding-block: 60px; }
.field-evidence .work-gallery { grid-template-columns: repeat(2,minmax(0,1fr)); }
.album-jump-links { display: flex; flex-wrap: wrap; gap: 6px 24px; margin-top: 16px; }
.album-jump-links a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: inherit; font-size: 14px; text-decoration: underline; text-underline-offset: 5px; }
.album-directory { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.album-directory > span { margin-right: 8px; font-size: 14px; color: var(--muted); }
.album-directory a { display: inline-flex; gap: 12px; align-items: center; min-height: 44px; padding: 10px 14px; border: 1px solid #c6d4ca; border-radius: 6px; color: #175f55; background: #fff; font-size: 14px; }
.album-directory a:hover { border-color: #175f55; }
.photo-album { color: var(--text); background: var(--page); }
.photo-album + .photo-album { border-top: 1px solid var(--line); }
.album-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 28px 22px; }
.album-photo { min-width: 0; }
.album-photo:first-child { grid-column: span 2; grid-row: span 2; }
.album-photo .media-slot { display: flex; flex-direction: column; height: 100%; }
.album-photo:first-child .media-frame { flex: 1; aspect-ratio: auto; min-height: 280px; }
.album-photo:first-child .media-frame img { position: absolute; inset: 0; }
.album-photo figcaption { display: block; padding-top: 14px; }
.album-photo figcaption strong { display: block; font-size: 17px; line-height: 1.5; }
.album-photo:first-child figcaption strong { font-size: 24px; }
.album-photo figcaption > span { display: block; margin-top: 6px; font-size: 14px; line-height: 1.8; }
.album-photo .media-status { top: 12px; left: 12px; font-size: 11px; }
.album-overview { padding-bottom: 28px; background: #edf1e9; }
.album-overview .album-directory { margin-top: 18px; padding-top: 0; border-top: 0; }
.media-photo-link { display: block; color: inherit; background: #e7ebe5; }
.has-photo .media-frame img { object-fit: contain; }
.media-photo-link:hover { outline: 2px solid #175f55; outline-offset: 3px; }
.media-zoom { position: absolute; right: 10px; bottom: 10px; padding: 5px 9px; border-radius: 4px; background: #173d34; color: #fff; font-size: 11px; line-height: 1.5; }
.album-grid--four { grid-template-columns: repeat(2,minmax(0,1fr)); }
.album-grid--four .album-photo:first-child { grid-column: auto; grid-row: auto; }
.album-grid--four .album-photo:first-child .media-frame { flex: none; aspect-ratio: 3 / 2; min-height: 0; }
.album-grid--four .album-photo:first-child figcaption strong { font-size: 17px; }
.photo-viewer { width: min(1100px,calc(100vw - 28px)); max-height: calc(100dvh - 28px); margin: auto; padding: 16px; border: 1px solid #738d83; border-radius: 12px; background: #102b23; color: #fff; }
.photo-viewer::backdrop { background: #06130dec; }
.photo-viewer-toolbar, .photo-viewer-controls { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.photo-viewer-toolbar h2 { margin: 0; color: #fff; font-size: 18px; line-height: 1.5; }
.photo-viewer button { flex-shrink: 0; min-width: 44px; min-height: 44px; padding: 8px 12px; border: 1px solid #80988e; border-radius: 6px; background: #24493c; color: #fff; font: inherit; cursor: pointer; }
.photo-viewer-toolbar button { font-size: 26px; }
.photo-viewer button:disabled { opacity: .4; cursor: default; }
.photo-viewer > img { display: block; width: 100%; height: min(70dvh,850px); margin: 12px 0; object-fit: contain; }
.photo-viewer-controls { font-size: 14px; }
.contact-section, .route-home .contact-section { margin: 0; padding: 64px 0; border: 0; border-radius: 0; color: #fff; background: #173d34; box-shadow: none; }
.contact-section::before { content: none; }
.contact-section .contact-copy h2 { color: #fff; font-size: clamp(28px,3vw,40px); line-height: 1.4; }
.contact-section .contact-copy > p { color: #d2e0d8; font-size: 15px; }
.contact-section .contact-copy .section-label { color: #e5c087; }
.contact-grid { gap: 40px; grid-template-columns: 1fr 1fr; align-items: center; }
.contact-section .copy-card, .contact-section .phone-card { min-height: 164px; padding: 22px; border: 1px solid #6f8b7f; border-radius: 10px; background: #244d40; color: #fff; box-shadow: none; backdrop-filter: none; }
.contact-section .copy-card small, .contact-section .copy-card span,
.contact-section .phone-card small, .contact-section .phone-card span { color: #d2e0d8; font-size: 13px; }
.contact-section .copy-card strong, .contact-section .phone-card strong { font-size: 21px; }
.site-footer, .route-home .site-footer { background: #f7f8f4; color: #526760; border-top: 1px solid var(--line); }
.site-footer p { font-size: 12px; line-height: 1.8; }
.site-footer strong, .route-home .site-footer strong { color: #18332e; }
.contact-dock { position: fixed; z-index: 160; right: 24px; bottom: 18px; display: flex; align-items: center; gap: 20px; padding: 12px 14px 12px 20px; border: 1px solid #c5d3c8; border-radius: 12px; background: #fff; box-shadow: 0 5px 30px #18332e22; }
.contact-dock-intro { font-size: 12px; color: var(--muted); }
.contact-dock-intro strong { display: block; color: var(--text); font-size: 15px; }
.contact-dock a { display: grid; text-align: center; min-height: 44px; align-content: center; color: #18332e; font-size: 14px; font-weight: 650; }
.contact-dock a small { font-size: 11px; font-weight: 400; }
.contact-dock button { min-height: 44px; padding: 10px 20px; border: 0; border-radius: 7px; color: #fff; background: #175f55; cursor: pointer; font-size: 15px; }
.back-to-top { bottom: 110px; width: 44px; height: 44px; background: #175f55; visibility: hidden; }
.back-to-top.visible { visibility: visible; }
.toast { bottom: 114px; max-width: min(520px,calc(100% - 32px)); font-size: 14px; line-height: 1.6; white-space: normal; }
.contact-dialog { width: min(460px,calc(100% - 32px)); max-height: calc(100dvh - 40px); overflow-y: auto; padding: 32px; border: 1px solid #c5d3c8; border-radius: 14px; color: var(--text); background: #fbfcf8; box-shadow: var(--shadow); }
.contact-dialog::backdrop { background: #0e241dcc; }
.contact-dialog h2 { margin: 18px 0 10px; font-size: 26px; }
.contact-dialog p { font-size: 15px; color: var(--muted); line-height: 1.8; }
.dialog-close { float: right; min-height: 44px; min-width: 44px; border: 1px solid #c5d3c8; background: #fff; border-radius: 6px; cursor: pointer; }
.contact-number { padding: 18px 12px; border: 1px solid #ccd9cf; border-radius: 8px; background: #fff; font-size: 28px; font-weight: 700; letter-spacing: .08em; text-align: center; user-select: all; }
.contact-dialog .button { width: 100%; margin-top: 14px; }
.contact-dialog a { text-decoration: underline; text-underline-offset: 4px; }
.contact-dialog [role=status] { min-height: 25px; color: #175f55; margin-bottom: 0; font-size: 14px; }
.clipboard-field { position: fixed; left: -9999px; top: 0; opacity: 0; }
.draft-notice { margin-top: 24px; padding: 16px 22px; border: 1px solid #d3c398; background: #fcf8e9; border-radius: 8px; color: #685124; font-size: 15px; }
.draft-notice a { text-decoration: underline; }
.live-tool-card label, .guide-router-form label { font-size: 14px; }
.live-tool-card select, .library-toolbar input { font-size: 16px; min-height: 48px; }
.tool-result p, .tool-result li, .guide-router-result p { font-size: 15px; line-height: 1.8; }
.tool-result small, .library-toolbar label span { font-size: 13px; }
.tool-copy-button, .library-filters button { min-height: 44px; font-size: 14px; }
.tool-copy-button:disabled { opacity: .5; cursor: not-allowed; }
.library-filters button[aria-pressed=true] { color: #fff; background: #175f55; }
.risk-options label { min-height: 44px; }
@media (max-width: 1040px) {
  .desktop-nav { display: none; }
  .header-inner { grid-template-columns: 1fr auto; }
  .header-call { display: grid; }
  .menu-button { display: none; }
  .mobile-nav { position: static; display: flex; gap: 8px; width: calc(100% - 32px); margin-inline: 16px; padding: 0 0 8px; overflow-x: auto; scrollbar-width: none; background: none; box-shadow: none; }
  .mobile-nav a { flex: 0 0 auto; min-height: 44px; padding: 10px 14px; font-size: 13px; border-radius: 6px; }
  .home-lead-grid { gap: 32px; }
  .needs-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .feature-band-grid, .how-grid, .faq-layout { gap: 32px; }
}
@media (max-width: 760px) {
  body { padding-bottom: calc(82px + env(safe-area-inset-bottom)); font-size: 15px; }
  .shell { width: calc(100% - 32px); }
  html { scroll-padding-top: 112px; }
  .header-inner { min-height: 56px; }
  .brand-copy strong { font-size: 12px; }
  .header-call strong { font-size: 12px; letter-spacing: 0; }
  .header-call span { font-size: 10px; }
  .mobile-nav a { font-size: 12px; }
  .home-lead-grid, .feature-band-grid, .how-grid, .faq-layout { grid-template-columns: 1fr; }
  .home-lead-grid { padding-block: 30px; gap: 28px; }
  .home-kicker { font-size: 12px; }
  .home-lead h1 { font-size: clamp(28px,7.3vw,39px); line-height: 1.4; margin: 18px 0; }
  .home-lead p { font-size: 15px; }
  .home-lead .hero-actions { display: grid; grid-template-columns: 1fr 1fr; margin-top: 22px; }
  .hero-actions .button { font-size: 13px; white-space: normal; }
  .home-lead .home-promise { font-size: 12px; gap: 6px 14px; margin-bottom: 0; }
  .home-audience { gap: 8px 16px; font-size: 12px; }
  .home-audience strong { width: 100%; }
  .section { padding-block: 48px; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 14px; }
  .needs-grid { gap: 12px; }
  .need-card { padding: 20px; }
  .need-card-feature { padding-top: 18px; }
  .need-card h3 { font-size: 20px; margin-top: 16px; }
  .help-inline { align-items: flex-start; flex-direction: column; }
  .feature-band { padding-block: 44px; }
  .feature-deliverables li { padding-block: 18px; }
  .work-gallery, .field-evidence .work-gallery { grid-template-columns: 1fr; gap: 32px; }
  .album-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 14px; }
  .album-photo:first-child { grid-row: auto; }
  .album-photo:first-child .media-frame { flex: none; aspect-ratio: 16 / 10; min-height: 0; }
  .album-photo figcaption strong { font-size: 16px; }
  .album-photo:first-child figcaption strong { font-size: 21px; }
  .album-photo figcaption > span { font-size: 13px; }
  .album-photo .media-status { top: 8px; left: 8px; padding: 4px 6px; font-size: 10px; }
  .album-directory > span { width: 100%; }
  .media-slot figcaption { font-size: 12px; }
  .home-lead .media-frame { aspect-ratio: 16 / 9; border-radius: 8px 8px 34px 8px; }
  .how-grid, .faq-layout { gap: 20px; }
  .service-benefit-grid { grid-template-columns: 1fr; gap: 22px; }
  .service-benefit-grid article + article { padding: 20px 0 0; border-left: 0; border-top: 1px solid #c9d4c8; }
  .service-page-copy > p, .service-map-copy > p, .capability-hero-copy > p, .platform-hero-copy > p { font-size: 15px; }
  .service-page-copy h1, .service-map-copy h1, .capability-hero-copy h1,
  .platform-hero-copy h1, .resource-nav-hero .platform-hero-copy h1 { font-size: 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-section { padding-block: 44px; }
  .contact-actions { grid-template-columns: 1fr 1fr; }
  .contact-section .copy-card, .contact-section .phone-card { min-height: 154px; padding: 16px; }
  .contact-section .copy-card strong, .contact-section .phone-card strong { font-size: 18px; }
  .contact-dock { left: 0; right: 0; bottom: 0; gap: 12px; border-radius: 0; border-width: 1px 0 0; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); }
  .contact-dock-intro { display: none; }
  .contact-dock a, .contact-dock button { flex: 1; min-width: 0; }
  .contact-dock a { font-size: 15px; }
  .contact-dock button { font-size: 15px; padding: 10px 12px; }
  .back-to-top { right: 16px; bottom: calc(90px + env(safe-area-inset-bottom)); }
  .toast { bottom: calc(100px + env(safe-area-inset-bottom)); }
  .contact-dialog { padding: 22px; }
  .contact-number { font-size: 25px; }
}
@media (max-width: 520px) { .needs-grid { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  body { padding: 0; }
  .contact-dock, .back-to-top, .contact-dialog, .toast { display: none !important; }
  .reveal { opacity: 1; transform: none; }
}

.service-benefits { color: var(--text); }
.contact-dialog:not([open]) { display: none; }
[data-media-slot="liaison-portrait"] .media-frame { aspect-ratio: 4 / 3; }
.tech-inspection-section .service-benefits { margin: 34px 0; padding: 28px 0; border-radius: 10px; }
.tech-inspection-section .service-benefits .shell { width: calc(100% - 40px); }