/* ============================================================
   Duro-Sense — Design tokens
   ============================================================ */
:root {
  --maroon-950: #3D0F17;
  --maroon-800: #6E1B29;
  --maroon-700: #7F2231;
  --maroon-600: #8B2635;
  --gold-500: #E2CA73;
  --gold-300: #F1E3B3;
  --ink-900: #1C1516;
  --ink-700: #453A3B;
  --paper-100: #EDEBE4;
  --paper-000: #F7F6F2;
  --steel-200: #DCD9D0;
  --steel-300: #C7C3B8;

  --font-head: "Roboto Slab", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --max-w: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper-000);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink-900);
  margin: 0 0 0.5em 0;
  line-height: 1.15;
  font-weight: 700;
}

p { margin: 0 0 1em 0; max-width: 66ch; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

:focus-visible {
  outline: 3px solid var(--gold-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ============================================================
   Announcement bar (gold)
   ============================================================ */
.announce-bar {
  background: linear-gradient(135deg, var(--gold-300) 0%, var(--gold-500) 55%, #C9A855 100%);
  border-bottom: 1px solid #BFA05A;
}
.announce-bar .wrap {
  padding-top: 9px;
  padding-bottom: 9px;
  text-align: center;
}
.announce-bar p {
  margin: 0 auto;
  max-width: none;
  width: fit-content;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--maroon-950);
  text-shadow: 0 1px 0 rgba(255,255,255,0.35);
}
.announce-bar strong { color: #4A0E17; }

/* ============================================================
   Info ribbon (search + contact)
   ============================================================ */
.info-ribbon {
  background: var(--ink-900);
  color: var(--steel-300);
  font-size: 0.83rem;
  border-bottom: 1px solid #35281f;
}
.info-ribbon .wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  gap: 16px;
  flex-wrap: wrap;
}
.info-ribbon a { color: var(--gold-300); }
.info-ribbon .divider { color: #55423a; margin: 0 10px; }

.site-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid #55423a;
  max-width: 220px;
  flex: 0 1 200px;
}
.site-search input {
  background: transparent;
  border: none;
  color: var(--paper-000);
  font-size: 0.85rem;
  padding: 6px 8px;
  width: 100%;
}
.site-search input::placeholder { color: var(--steel-300); opacity: 0.8; }
.site-search input:focus { border: none; outline: none; }
.site-search button {
  background: none;
  border: none;
  color: var(--gold-300);
  padding: 6px 10px;
  cursor: pointer;
  display: flex;
}
.info-contact {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  text-align: right;
}

/* ============================================================
   Nav
   ============================================================ */
.site-header {
  background: var(--maroon-800);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 0 var(--gold-500);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper-000);
}
.logo-img {
  height: 56px;
  width: auto;
  display: block;
}
.logo .sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--steel-300);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links > li { position: relative; }
.nav-links a,
.dropdown-trigger {
  color: var(--paper-000);
  font-size: 0.95rem;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-body);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.nav-links a:hover,
.nav-links a[aria-current="page"],
.dropdown-trigger:hover,
.has-dropdown:hover .dropdown-trigger {
  border-color: var(--gold-500);
  color: var(--gold-300);
}
.dropdown-trigger .caret {
  font-size: 0.65rem;
  margin-top: 1px;
}
.nav-cta {
  font-weight: 700;
  background: var(--gold-500) !important;
  color: var(--maroon-950) !important;
  padding: 8px 16px !important;
  border-bottom: none !important;
}
.nav-cta:hover {
  background: var(--gold-300) !important;
  color: var(--maroon-950) !important;
}

/* ============================================================
   Centered feature logo (e.g. Testimonials page)
   ============================================================ */
.feature-logo-wrap {
  display: flex;
  justify-content: center;
  padding: 8px 0 4px;
}
.feature-logo-wrap img {
  height: 112px;
  width: auto;
}
@media (max-width: 640px) {
  .feature-logo-wrap img { height: 80px; }
}

/* ============================================================
   Testimonial cards
   ============================================================ */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--steel-200);
  border: 1px solid var(--steel-200);
}
.testimonial {
  background: var(--paper-000);
  padding: 30px 32px;
  border-top: 4px solid var(--gold-500);
}
.testimonial .quote {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--ink-900);
  margin-bottom: 18px;
}
.testimonial .quote::before { content: "\201C"; color: var(--gold-500); }
.testimonial .quote::after { content: "\201D"; color: var(--gold-500); }
.testimonial .attribution { font-size: 0.85rem; color: var(--ink-700); }
.testimonial .attribution strong { color: var(--maroon-800); display: block; font-family: var(--font-body); }
@media (max-width: 880px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* Dropdown menus */
.dropdown-menu {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--maroon-950);
  border: 1px solid var(--maroon-600);
  border-top: 2px solid var(--gold-500);
  min-width: 220px;
  display: none;
  z-index: 60;
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown.open .dropdown-menu {
  display: block;
}
.dropdown-menu li a {
  display: block;
  padding: 10px 18px;
  font-size: 0.9rem;
  color: var(--paper-000);
  border-bottom: none;
  white-space: nowrap;
}
.dropdown-menu li a:hover {
  background: rgba(200,155,60,0.12);
  color: var(--gold-300);
}

@media (max-width: 880px) {
  .dropdown-menu {
    position: static;
    border: none;
    background: rgba(0,0,0,0.15);
    display: none;
    min-width: 0;
  }
  .has-dropdown.open .dropdown-menu { display: block; }
  .has-dropdown:hover .dropdown-menu { display: none; }
  .has-dropdown.open:hover .dropdown-menu { display: block; }
}
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 11px 22px;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-gold {
  background: var(--gold-500);
  color: var(--maroon-950);
}
.btn-gold:hover { background: var(--gold-300); }
.btn-outline {
  border-color: var(--gold-500);
  color: var(--gold-300);
  background: transparent;
}
.btn-outline:hover { background: rgba(200, 155, 60, 0.12); }
.btn-outline-dark {
  border-color: var(--maroon-800);
  color: var(--maroon-800);
  background: transparent;
}
.btn-outline-dark:hover { background: rgba(110, 27, 41, 0.06); }
.btn-maroon {
  background: var(--maroon-950);
  color: var(--paper-000);
}
.btn-maroon:hover { background: var(--maroon-800); }

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--gold-500);
  color: var(--gold-300);
  padding: 6px 10px;
  font-size: 1.1rem;
}

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--maroon-800);
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 32px 24px;
    gap: 14px;
    display: none;
    border-bottom: 2px solid var(--gold-500);
  }
  .nav-links.open { display: flex; }
  .nav-links > li { width: 100%; }
  .info-ribbon .wrap { flex-direction: column; align-items: stretch; font-size: 0.76rem; }
  .site-search { max-width: none; }
  .info-contact { justify-content: flex-start; text-align: left; gap: 4px; flex-direction: column; align-items: flex-start; }
  .announce-bar p { font-size: 0.78rem; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background: linear-gradient(155deg, var(--gold-300) 0%, var(--gold-500) 55%, #A9823C 100%);
  color: var(--ink-900);
  position: relative;
  overflow: hidden;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  align-items: start;
  gap: 48px;
  padding-top: 84px;
  padding-bottom: 84px;
}
.hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--maroon-800);
  border-left: 3px solid var(--maroon-800);
  padding-left: 10px;
  margin-bottom: 18px;
}
.hero h1 {
  color: var(--ink-900);
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  max-width: 14ch;
}
.hero .rule {
  width: 90px;
  height: 4px;
  background: var(--maroon-800);
  margin: 22px 0 22px;
}
.hero p.lede {
  color: var(--ink-700);
  font-size: 1.08rem;
  max-width: 44ch;
}
.hero .cta-row {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-art { width: 100%; height: auto; }

.hero-panels {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.hero-panel {
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(255,255,255,0.4);
  border: 1px solid rgba(61,15,23,0.18);
  border-left: 4px solid var(--maroon-800);
  padding: 18px;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.hero-panel:hover {
  background: rgba(255,255,255,0.65);
  border-left-color: var(--maroon-950);
}
.hero-panel img {
  width: 230px;
  height: 230px;
  object-fit: contain;
  background: var(--paper-000);
  padding: 10px;
  flex-shrink: 0;
}
.hero-panel .txt h3 {
  color: var(--ink-900);
  font-size: 1.2rem;
  margin: 0 0 6px 0;
}
.hero-panel .txt span {
  color: var(--maroon-800);
  font-size: 0.9rem;
  font-family: var(--font-mono);
}

@media (max-width: 880px) {
  .hero-panels { max-width: 420px; margin: 0 auto; }
}

@media (max-width: 880px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 40px; }
  .hero-art { max-width: 280px; margin: 0 auto; }
}

/* ============================================================
   Stat strip (gold)
   ============================================================ */
.stat-strip {
  background: linear-gradient(135deg, var(--maroon-700) 0%, var(--maroon-950) 100%);
  border-top: 1px solid var(--maroon-950);
  border-bottom: 1px solid var(--maroon-950);
}
.stat-strip .wrap {
  display: flex;
  padding-top: 26px;
  padding-bottom: 26px;
  gap: 0;
}
.stat {
  flex: 1;
  padding: 0 22px;
  border-left: 1px solid rgba(255,255,255,0.2);
  text-align: left;
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat .num {
  font-family: var(--font-mono);
  color: var(--gold-300);
  font-size: 1.35rem;
  display: block;
}
.stat .label {
  font-size: 0.78rem;
  color: var(--steel-300);
}
@media (max-width: 880px) {
  .stat-strip .wrap { flex-wrap: wrap; }
  .stat { flex: 1 1 45%; border-left: none; padding: 10px 0; border-top: 1px solid rgba(255,255,255,0.2); }
  .stat:nth-child(odd) { padding-right: 10px; }
}

/* ============================================================
   Sections
   ============================================================ */
section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.section-alt { background: var(--paper-100); }
.section-dark {
  background: var(--maroon-950);
  color: var(--paper-000);
}
.section-dark h2, .section-dark h3 { color: var(--paper-000); }
.section-dark p { color: var(--steel-300); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0; }
.section-head .kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--maroon-700);
  letter-spacing: 0.03em;
}
.section-dark .section-head .kicker { color: var(--gold-300); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 880px) {
  .two-col { grid-template-columns: 1fr; gap: 32px; }
}

.capability-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--steel-200);
}
.capability-list li {
  display: flex;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--steel-200);
  align-items: baseline;
}
.capability-list .n {
  font-family: var(--font-mono);
  color: var(--gold-500);
  font-size: 0.9rem;
  min-width: 2ch;
}

/* ============================================================
   Panels (flat, gold top border — used instead of shadow-cards)
   ============================================================ */
.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--steel-200);
  border: 1px solid var(--steel-200);
}
.panel {
  background: var(--paper-000);
  padding: 34px 30px;
  border-top: 4px solid var(--gold-500);
}
.panel h3 { font-size: 1.15rem; }
.panel p { font-size: 0.95rem; color: var(--ink-700); }
.panel .go {
  display: inline-block;
  margin-top: 10px;
  font-weight: 600;
  color: var(--maroon-800);
  border-bottom: 1px solid var(--maroon-800);
  font-size: 0.9rem;
}
@media (max-width: 880px) {
  .panel-grid { grid-template-columns: 1fr; }
}

.icon {
  width: 40px;
  height: 40px;
  margin-bottom: 18px;
  color: var(--maroon-800);
}

/* ============================================================
   Industry ticks
   ============================================================ */
.tick-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tick {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 8px 14px;
  border: 1px solid var(--steel-300);
  color: var(--ink-700);
}

/* ============================================================
   News / callout banner
   ============================================================ */
.callout {
  border: 1px solid var(--steel-200);
  border-left: 4px solid var(--maroon-800);
  padding: 22px 26px;
  background: var(--paper-000);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.callout p { margin: 0; max-width: 60ch; }
.callout .tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--maroon-800);
  display: block;
  margin-bottom: 6px;
}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  background: var(--gold-500);
  color: var(--maroon-950);
}
.cta-band .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 44px 32px;
}
.cta-band h2 { color: var(--maroon-950); font-size: 1.6rem; margin: 0; }

/* ============================================================
   Footer
   ============================================================ */
footer {
  background: var(--ink-900);
  color: var(--steel-300);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid #35281f;
}
.footer-grid h4 {
  color: var(--gold-300);
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--gold-300); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}
.social { display: flex; gap: 12px; }
.social a {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #55423a;
  color: var(--gold-300);
  transition: background 0.15s ease, border-color 0.15s ease;
}
.social a:hover {
  background: var(--gold-500);
  color: var(--maroon-950);
  border-color: var(--gold-500);
}
.social svg { width: 17px; height: 17px; }
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   Page hero (interior pages — shorter than home hero)
   ============================================================ */
.page-hero {
  background: linear-gradient(155deg, var(--gold-300) 0%, var(--gold-500) 60%, #A9823C 100%);
  color: var(--ink-900);
  padding: 56px 0 48px;
}
.page-hero .crumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--maroon-800);
  margin-bottom: 14px;
}
.page-hero h1 { color: var(--ink-900); font-size: clamp(1.9rem, 3.6vw, 2.6rem); max-width: 22ch; }
.page-hero p { color: var(--ink-700); max-width: 56ch; font-size: 1.02rem; }

/* Page hero variant with a catalog callout beside the heading (Temperature Sensors page) */
.page-hero-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  flex-wrap: wrap;
}
.page-hero-text { flex: 1 1 480px; }
.page-hero-text h1 { max-width: 34ch; }
.page-hero-catalog {
  flex: 0 0 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.4);
  border: 1px solid rgba(61,15,23,0.18);
  padding: 18px;
}
.page-hero-catalog img {
  width: 100%;
  max-width: 200px;
  box-shadow: 0 8px 22px rgba(0,0,0,.4);
  border: 1px solid rgba(255,255,255,.15);
}
.page-hero-catalog .btn { width: 100%; text-align: center; }
@media (max-width: 720px) {
  .page-hero-flex { justify-content: center; }
  .page-hero-catalog { flex: 0 0 auto; width: 200px; }
}

/* ============================================================
   Simple table (specs)
   ============================================================ */
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.spec-table th, .spec-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--steel-200);
}
.spec-table th {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--maroon-800);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

/* ============================================================
   Contact form
   ============================================================ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: var(--ink-700);
}
input, textarea, select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 11px 12px;
  border: 1px solid var(--steel-300);
  background: var(--paper-000);
  color: var(--ink-900);
}
input:focus, textarea:focus, select:focus { border-color: var(--maroon-800); }
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Timeline (About page — genuine sequence, numbers earned)
   ============================================================ */
.timeline { border-left: 2px solid var(--gold-500); margin-left: 6px; }
.timeline .entry { position: relative; padding: 0 0 34px 28px; }
.timeline .entry::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--gold-500);
  border-radius: 50%;
}
.timeline .year {
  font-family: var(--font-mono);
  color: var(--maroon-800);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 4px;
}

/* ============================================================
   Sister brand strip (Services page)
   ============================================================ */
.brand-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--maroon-950);
  border-radius: 0;
}
.brand-strip a {
  padding: 20px;
  border-left: 1px solid var(--maroon-800);
  font-size: 0.88rem;
  color: var(--steel-300);
}
.brand-strip a:first-child { border-left: none; }
.brand-strip a:hover { color: var(--gold-300); background: rgba(226,202,115,0.12); }
.brand-strip strong { display: block; color: var(--paper-000); font-family: var(--font-head); margin-bottom: 4px; }
@media (max-width: 880px) {
  .brand-strip { grid-template-columns: 1fr 1fr; }
  .brand-strip a { border-left: none; border-top: 1px solid var(--maroon-800); }
}

/* ============================================================
   Industries page — photo cards
   ============================================================ */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.industry-card {
  background: var(--paper-000);
  border-top: 4px solid var(--gold-500);
  display: flex;
  flex-direction: column;
}
.industry-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.industry-card .industry-body { padding: 16px 18px 20px; }
.industry-card h3 { margin: 0 0 8px 0; font-size: 1.05rem; }
.industry-card p { margin: 0; font-size: 0.88rem; color: var(--ink-700); max-width: none; }
@media (max-width: 1000px) {
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .industry-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Legal / policy document text (Terms & Conditions)
   ============================================================ */
.legal-doc { max-width: 74ch; }
.legal-doc h2 {
  font-size: 1.15rem;
  color: var(--maroon-950);
  margin: 40px 0 12px 0;
  padding-top: 20px;
  border-top: 1px solid var(--steel-200);
}
.legal-doc h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.legal-doc p { color: var(--ink-700); font-size: 0.96rem; line-height: 1.65; max-width: none; }

/* ============================================================
   Document / catalog cards (Products sub-pages)
   ============================================================ */
.catalog-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: linear-gradient(135deg, var(--gold-300) 0%, var(--gold-500) 60%, #C9A855 100%);
  border: 1px solid #BFA05A;
  padding: 26px 30px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.catalog-callout .txt { display: flex; align-items: center; gap: 16px; }
.catalog-callout svg { width: 40px; height: 40px; color: var(--maroon-950); flex-shrink: 0; }
.catalog-callout h3 { margin: 0 0 4px 0; color: var(--maroon-950); font-size: 1.2rem; }
.catalog-callout p { margin: 0; color: var(--ink-700); font-size: 0.9rem; }

.doc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--steel-200);
  border: 1px solid var(--steel-200);
}
.doc-card {
  background: var(--paper-000);
  border-top: 4px solid var(--gold-500);
  display: flex;
  flex-direction: column;
}
.doc-card img {
  aspect-ratio: 0.773;
  object-fit: contain;
  background: var(--paper-100);
  width: 100%;
}
.doc-card .photo-placeholder {
  aspect-ratio: 0.773;
  background: repeating-linear-gradient(135deg, var(--paper-100), var(--paper-100) 10px, var(--steel-200) 10px, var(--steel-200) 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-300);
}

/* Sub-sections that break a doc-grid into named groups (e.g. Temperature Sensors page) */
.doc-subsection { margin-bottom: 36px; }
.doc-subsection:last-child { margin-bottom: 0; }
.doc-subsection h3 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--maroon-800);
  border-bottom: 2px solid var(--gold-500);
  padding-bottom: 10px;
  margin: 0 0 18px 0;
}
.doc-card .photo-placeholder svg { width: 34px; height: 34px; }
.doc-card .doc-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.doc-card h4 { margin: 0 0 4px 0; font-size: 0.98rem; }
.doc-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
  flex-wrap: wrap;
}
.doc-actions:not(:last-child) { margin-top: 0; }
.doc-view,
.doc-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  border-bottom: 1px solid;
}
.doc-view {
  color: var(--ink-700);
  border-bottom-color: var(--steel-300);
}
.doc-view:hover { color: var(--maroon-800); border-bottom-color: var(--maroon-800); }
.doc-download {
  color: var(--maroon-800);
  border-bottom-color: var(--maroon-800);
}
.doc-download.pending {
  color: var(--ink-700);
  border-bottom: 1px dashed var(--steel-300);
  cursor: default;
}
@media (max-width: 880px) {
  .doc-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .doc-grid { grid-template-columns: 1fr; }
  .catalog-callout { flex-direction: column; align-items: flex-start; }
}