/* ==========================================================================
   Blackstone Rubber — design tokens
   Brand values read off blackstonerubber.com (navy #020647, blue #0080be)
   and the Blackstone Patch logo (yellow, sky blue). Contrast-checked:
     --blue   on white  5.3:1   (text, buttons)
     white    on --blue 5.3:1
     white    on --navy 18.8:1
     --sky    on --navy  7.9:1
     --yellow on --navy 12.9:1  (small accents only)
   ========================================================================== */
:root {
  --navy:        #020647;
  --navy-900:    #01032c;
  --navy-800:    #0b1462;
  --navy-700:    #17217a;
  --blue:        #0072ab;
  --blue-600:    #005d8c;
  --blue-bright: #0080be;
  --blue-100:    #e6f2f8;
  --sky:         #4cb3e6;
  --yellow:      #ffd200;

  --ink:      #0d1324;
  --ink-700:  #2b3242;
  --ink-500:  #545c6c;
  --muted:    #6b7384;
  --paper:    #ffffff;
  --paper-2:  #f8f9fa;
  --paper-3:  #eef1f5;
  --line:     #dfe3ea;
  --line-dark: rgba(255, 255, 255, .14);

  --display: "Barlow Condensed", "Oswald", "Arial Narrow", system-ui, sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --wrap: 1240px;
  --wrap-narrow: 780px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 2px;

  --shadow-sm: 0 1px 2px rgba(2, 6, 71, .06), 0 2px 8px rgba(2, 6, 71, .05);
  --shadow-md: 0 2px 4px rgba(2, 6, 71, .06), 0 14px 34px rgba(2, 6, 71, .14);
}

/* ==========================================================================
   Base: reset, type, layout primitives
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

/* No smooth scrolling: old URLs redirect to #sections, and the jump there
   must happen even where the animation is throttled (background tabs). */
html { -webkit-text-size-adjust: 100%; }
/* keep a #section's heading clear of the sticky header */
[id] { scroll-margin-top: 96px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-700);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; height: auto; }

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-600); text-decoration: underline; }

h1, h2, h3, h4, h5 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.005em;
  color: var(--navy);
  text-wrap: balance;
}
h1 { font-size: clamp(2.5rem, 5.8vw, 4.3rem); text-transform: uppercase; }
h2 { font-size: clamp(1.9rem, 3.9vw, 2.9rem); text-transform: uppercase; }
h3 { font-size: clamp(1.25rem, 2.1vw, 1.6rem); text-transform: uppercase; letter-spacing: .01em; }
h4 { font-size: 1.05rem; font-family: var(--body); font-weight: 650; line-height: 1.35; text-transform: none; }

p { text-wrap: pretty; }
p + p { margin-top: 1em; }
strong { font-weight: 650; color: var(--ink); }

::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 2px solid var(--blue-bright); outline-offset: 3px; border-radius: 1px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--navy); color: #fff; padding: .75rem 1.25rem; font-size: .9rem;
}
.skip-link:focus { left: 0; color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-narrow { max-width: var(--wrap-narrow); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: .75rem; }
.mt-2 { margin-top: 1.5rem; }
.mt-3 { margin-top: 2.25rem; }
.mt-4 { margin-top: 3rem; }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* ==========================================================================
   Chrome: utility bar, header + menu, footer, buttons.

   Also shipped on its own as chrome.css for /otr-check/, where the tool
   brings its own global reset and body type. So every rule here names its
   own font, size and spacing rather than inheriting them.
   ========================================================================== */
/* :where() keeps these resets at zero specificity, so a component's own
   padding (.nav-list, .sub) still applies */
.bsc, .bsc * { box-sizing: border-box; }
:where(.bsc) ul { list-style: none; margin: 0; padding: 0; }
:where(.bsc) a { text-decoration: none; }
:where(.bsc) a:hover { text-decoration: none; }
.bsc .wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

/* ---- buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .85rem 1.55rem;
  font-family: var(--body); font-size: .9rem; font-weight: 600; letter-spacing: .01em; line-height: 1.2;
  border: 1px solid transparent; border-radius: var(--radius);
  cursor: pointer; text-align: center; text-decoration: none;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.btn:hover { text-decoration: none; }
.btn--sm { padding: .58rem 1rem; font-size: .82rem; }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-600); color: #fff; }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-700); color: #fff; }
.btn--outline { background: transparent; color: var(--navy); border-color: var(--line); }
.btn--outline:hover { border-color: var(--blue); color: var(--blue); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .32); }
.btn--ghost:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: var(--blue-100); color: var(--navy); }

/* ---- utility bar ------------------------------------------------------- */
.utility {
  background: var(--navy-900); color: #9aa3c4;
  font-family: var(--body); font-size: .78rem; line-height: 1.4; letter-spacing: .01em;
}
.utility .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem 1.5rem; min-height: 36px; flex-wrap: wrap; padding-block: .35rem;
}
.utility-left { display: flex; gap: 1.4rem; align-items: center; flex-wrap: wrap; }
.utility a { color: #d9def0; }
.utility a:hover { color: #fff; }
.utility-badge {
  display: inline-flex; align-items: center; gap: .45rem;
  color: var(--yellow); font-weight: 600;
}
.utility-badge::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--yellow); flex: none;
}
/* the badge is a link while a trade show is on */
.utility a.utility-badge { color: var(--yellow); }
.utility a.utility-badge:hover { color: #fff; }
.utility a.utility-badge:hover::before { background: #fff; }

/* ---- header: one sticky row ------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96);
  -webkit-backdrop-filter: saturate(180%) blur(12px); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  font-family: var(--body);
}
.site-header .wrap { display: flex; align-items: center; gap: 1.5rem; min-height: 76px; }

.brand { display: flex; align-items: center; gap: .85rem; flex: none; }
.brand img { height: 46px; width: auto; display: block; }
.brand-fallback {
  font-family: var(--display); font-size: 1.5rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .02em; color: var(--navy);
}
.brand-tag {
  font-family: var(--body); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; line-height: 1.3;
  padding-left: .85rem; border-left: 1px solid var(--line); max-width: 11ch;
}

.navbar { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: .15rem; }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-link {
  display: flex; align-items: center;
  padding: .55rem .75rem;
  font-family: var(--body); font-size: .86rem; font-weight: 550; line-height: 1.2;
  color: var(--ink-700); border-radius: var(--radius); white-space: nowrap;
}
.nav-link:hover, .nav-item:hover > .nav-link, .nav-item:focus-within > .nav-link { color: var(--navy); background: var(--paper-2); }
.nav-item.is-current > .nav-link { color: var(--blue); }

/* caret beside a link that has a dropdown — a button, so the link itself
   still goes to its page */
.sub-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 20px; height: 32px; margin-left: -.6rem; padding: 0;
  background: none; border: 0; color: var(--ink-500); cursor: pointer;
}
.sub-toggle::after {
  content: ""; width: 5px; height: 5px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px); opacity: .7;
}

/* dropdowns */
.sub {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 120;
  min-width: 260px; padding: .5rem;
  background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--blue-bright);
  border-radius: var(--radius); box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
/* keeps the pointer "inside" the item while it crosses the gap to the panel */
.nav-item.has-sub::before { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 10px; }
.sub--wide { min-width: 520px; columns: 2; column-gap: .5rem; }
.sub a {
  display: flex; align-items: center; gap: .5rem; padding: .5rem .7rem; break-inside: avoid;
  font-family: var(--body); font-size: .85rem; font-weight: 500; line-height: 1.35;
  color: var(--ink-700); border-radius: var(--radius);
}
.sub a:hover { background: var(--blue-100); color: var(--blue-600); }
.sub a[aria-current="page"] { color: var(--blue); font-weight: 650; }
.sub a.is-hl::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--blue-bright); flex: none; }

@media (min-width: 1061px) {
  .nav-item:hover > .sub, .nav-item:focus-within > .sub, .nav-item.is-open > .sub {
    opacity: 1; visibility: visible; transform: none;
  }
}

.nav-item--cta { margin-left: .6rem; }
.nav-cta { padding: .62rem 1.15rem; white-space: nowrap; }

.nav-toggle {
  display: none; margin-left: auto; align-items: center; gap: .55rem;
  height: 44px; padding: 0 .9rem;
  font-family: var(--body); font-size: .85rem; font-weight: 600; color: var(--navy);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer;
}
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block; width: 18px; height: 2px; background: currentColor; transition: transform .2s ease, background .2s ease;
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before { content: ""; position: absolute; top: -6px; }
.nav-toggle-bars::after  { content: ""; position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after  { transform: translateY(-6px) rotate(-45deg); }

/* ---- footer ------------------------------------------------------------ */
.site-footer {
  background: var(--navy); color: #a8b0d0;
  font-family: var(--body); font-size: .9rem; line-height: 1.6;
}
.footer-main {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: clamp(1.75rem, 4vw, 3.5rem); padding-block: clamp(3rem, 6vw, 4.5rem);
}
.site-footer h5 {
  font-family: var(--body); font-size: .72rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: #fff; margin: 0 0 1rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.site-footer a { color: #a8b0d0; }
.site-footer a:hover { color: #fff; }
.site-footer p { margin: 0; }
.footer-brand img { height: 56px; width: auto; display: block; margin-bottom: 1.1rem; background: #fff; padding: 6px 8px; border-radius: var(--radius); }
.footer-brand p { max-width: 34ch; }
.footer-contact { display: grid; gap: .45rem; }
.footer-contact a { color: #fff; font-weight: 550; }
.site-footer address { font-style: normal; line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid var(--line-dark); padding-block: 1.4rem;
  display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; justify-content: space-between;
  font-size: .8rem; color: #8b93b8;
}
.footer-bottom a { color: #d9def0; }
.footer-bottom a:hover { color: #fff; }

/* ---- trade show: one version of each show block ------------------------
   While a show is promoted, pages carry its blocks in every version, marked
   data-show (SHOW_PHASES in build.py). A script in <head> sets these classes
   on <html> from the visitor's date, before anything is drawn. Here rather
   than in 4-content.css so /otr-check/'s top bar and menu switch too. */
.show-started [data-show="before"],
.show-over [data-show="during"],
html:not(.show-over) [data-show="after"] { display: none !important; }
.show-over .sub a[data-show="highlight"]::before { content: none; }

/* ---- responsive -------------------------------------------------------- */
@media (max-width: 1220px) {
  .brand-tag { display: none; }
}

@media (max-width: 1060px) {
  /* backdrop-filter would make the header the containing block of the
     position:fixed menu panel below, clipping it to the header's height */
  .site-header { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .site-header .wrap { min-height: 66px; }
  .brand img { height: 40px; }
  .brand-tag { display: block; }
  .nav-toggle { display: inline-flex; }

  /* the menu becomes a full-height panel under the header */
  .navbar {
    display: none; position: fixed; left: 0; right: 0; bottom: 0; top: var(--nav-top, 66px);
    z-index: 105; margin: 0; overflow-y: auto; overscroll-behavior: contain;
    background: #fff; border-top: 1px solid var(--line);
  }
  .navbar.is-open { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem var(--gutter) 2.5rem; }
  .nav-item { flex-wrap: wrap; border-bottom: 1px solid var(--line); }
  .nav-item.has-sub::before { display: none; }
  .nav-link { flex: 1; min-height: 52px; padding: 0 .25rem; font-size: 1rem; border-radius: 0; }
  .nav-link:hover, .nav-item:hover > .nav-link, .nav-item:focus-within > .nav-link { background: none; }
  .sub-toggle { width: 52px; height: 52px; margin: 0; border-left: 1px solid var(--line); }
  .nav-item.is-open > .sub-toggle::after { transform: rotate(-135deg) translateY(-1px); }

  .sub {
    position: static; display: none; width: 100%; min-width: 0; columns: 1;
    opacity: 1; visibility: visible; transform: none;
    border: 0; border-left: 2px solid var(--blue-100); border-radius: 0; box-shadow: none;
    margin: 0 0 .75rem .25rem; padding: 0 0 0 .75rem;
  }
  .nav-item.is-open > .sub { display: block; }
  .sub a { padding: .6rem .25rem; font-size: .95rem; }

  .nav-item--cta { margin: 0; border-bottom: 0; padding-top: 1.25rem; }
  .nav-cta { width: 100%; }

  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .brand-tag { display: none; }
  .utility .wrap { font-size: .74rem; }
  .utility-left { gap: 1rem; }
}
@media (max-width: 440px) {
  .footer-main { grid-template-columns: 1fr; }
}

@media print {
  .utility, .navbar, .nav-toggle { display: none !important; }
  .site-header { position: static; }
}

/* ==========================================================================
   Content components
   ========================================================================== */

/* ---- sections ---------------------------------------------------------- */
.section { padding-block: clamp(3.25rem, 7.5vw, 6rem); }
.section--tight { padding-block: clamp(2.25rem, 5vw, 3.75rem); }
.section--paper { background: var(--paper-2); }
.section--navy { background: var(--navy); color: #b9c1e0; }
.section--navy h1, .section--navy h2, .section--navy h3, .section--navy h4, .section--navy strong { color: #fff; }
.section--navy a:not(.btn):not(.card) { color: var(--sky); }
.card--navy a { color: var(--sky); }

.grid { display: grid; gap: clamp(1.1rem, 2.3vw, 1.75rem); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.25rem); align-items: center;
}
.split--top { align-items: start; }
.split--wide-left { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }

.eyebrow {
  display: flex; align-items: center; gap: .7rem; margin-bottom: 1rem;
  font-family: var(--body); font-size: .72rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--blue);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--blue-bright); flex: none; }
.section--navy .eyebrow, .hero .eyebrow, .page-head .eyebrow { color: var(--yellow); }
.section--navy .eyebrow::before, .hero .eyebrow::before, .page-head .eyebrow::before { background: var(--yellow); }
.center .eyebrow, .eyebrow.center { justify-content: center; }

.lede { font-size: clamp(1.04rem, 1.55vw, 1.18rem); line-height: 1.62; color: var(--ink-500); }
.section--navy .lede { color: #b9c1e0; }

.section-head { max-width: 64ch; margin-bottom: clamp(1.75rem, 3.6vw, 3rem); }
.section-head h1 + .lede, .section-head h2 + .lede, .section-head h2 + p { margin-top: 1.05rem; }
.section-head.center { margin-inline: auto; }

/* ---- hero -------------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--navy); color: #b9c1e0;
  padding-block: clamp(3.75rem, 9vw, 7rem);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, .03) 0 2px, transparent 2px 22px),
    radial-gradient(110% 90% at 80% 10%, rgba(76, 179, 230, .28), transparent 60%),
    radial-gradient(60% 70% at 10% 110%, rgba(0, 128, 190, .22), transparent 60%);
}
.hero > * { position: relative; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--sky); }
.hero-lede { margin-top: 1.4rem; max-width: 58ch; font-size: clamp(1.04rem, 1.65vw, 1.24rem); line-height: 1.6; color: #b9c1e0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.1rem; }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark); margin-top: clamp(2.5rem, 5vw, 3.75rem);
}
.stat { padding: 1.6rem 1.25rem 0 0; }
.stat + .stat { border-left: 1px solid var(--line-dark); padding-left: 1.4rem; }
.stat dd {
  margin: 0; font-family: var(--display); font-size: clamp(2.1rem, 3.5vw, 2.9rem);
  font-weight: 700; line-height: 1; color: #fff;
}
.stat dd span { color: var(--sky); }
.stat dt { margin-top: .5rem; font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; color: #8d96bd; }

/* ---- inner page head --------------------------------------------------- */
.page-head {
  position: relative; overflow: hidden;
  background: var(--navy); color: #b9c1e0;
  padding-block: clamp(2.5rem, 5.5vw, 4.25rem);
}
.page-head::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, .025) 0 2px, transparent 2px 22px),
    radial-gradient(80% 120% at 90% 0%, rgba(76, 179, 230, .22), transparent 62%);
}
.page-head > * { position: relative; }
.page-head h1 { color: #fff; font-size: clamp(2.05rem, 4.4vw, 3.3rem); }
.page-head .lede { margin-top: .95rem; max-width: 62ch; color: #b9c1e0; }
.crumbs {
  display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1rem;
  font-size: .76rem; letter-spacing: .05em; text-transform: uppercase; color: #8d96bd;
}
.crumbs a { color: #c4cbe6; }
.crumbs a:hover { color: #fff; }
.crumbs span[aria-hidden] { opacity: .5; }

/* ---- cards ------------------------------------------------------------- */
.card {
  display: flex; flex-direction: column;
  padding: 1.6rem; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
a.card { color: inherit; }
a.card:hover { text-decoration: none; color: inherit; border-color: var(--blue); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card h3 { font-size: 1.2rem; }
.card p { margin-top: .65rem; font-size: .93rem; color: var(--ink-500); }
.card-num { margin-bottom: .85rem; font-family: var(--display); font-size: .82rem; font-weight: 700; letter-spacing: .1em; color: var(--blue); }
.card-more {
  margin-top: auto; padding-top: 1.15rem;
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .8rem; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--blue);
}
.card-more::after { content: "→"; transition: transform .18s ease; }
a.card:hover .card-more::after { transform: translateX(4px); }
.card--navy { background: var(--navy-800); border-color: var(--line-dark); color: #b9c1e0; }
.card--navy h3 { color: #fff; }
.card--navy p { color: #a8b0d0; }
.card--navy .card-num { color: var(--yellow); }
a.card--navy:hover { border-color: var(--sky); }
.card--navy .card-more { color: var(--sky); }

/* card with a picture on top */
.card--media { padding: 0; overflow: hidden; }
.card--media .card-img { aspect-ratio: 4 / 3; background: var(--paper-2); border-bottom: 1px solid var(--line); }
.card--media .card-img img { width: 100%; height: 100%; object-fit: contain; padding: .9rem; }
.card--media .card-img.cover img { object-fit: cover; padding: 0; }
.card--media .card-body { padding: 1.25rem 1.35rem 1.4rem; display: flex; flex-direction: column; flex: 1; }

/* ---- fixed-ratio media boxes ---------------------------------------------
   Flex and grid items default to min-height:auto, so a tall photo inside an
   aspect-ratio box would stretch the box to its own height. Taking the image
   out of flow (absolute) makes the box's ratio the only thing that counts. */
.card--media .card-img, .product-img, .photo, .doc-cover, .specrow-img {
  position: relative; overflow: hidden; min-height: 0;
}
.card--media .card-img img, .product-img img, .photo img, .doc-cover img, .specrow-img img {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.specrow-img img { object-fit: contain; max-height: none; }

/* ---- product image grids ------------------------------------------------ */
.products { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 1.25rem; }
.product {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
a.product { color: inherit; }
a.product:hover { text-decoration: none; border-color: var(--blue); box-shadow: var(--shadow-sm); }
.product-img { aspect-ratio: 1; background: #fff; border-bottom: 1px solid var(--line); display: grid; place-items: center; }
.product-img img { width: 100%; height: 100%; object-fit: contain; padding: 1rem; }
.product-body { padding: .95rem 1.05rem 1.1rem; }
.product-body h3, .product-body h4 { font-family: var(--display); font-size: 1.08rem; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; color: var(--navy); }
.product-body p { margin-top: .4rem; font-size: .88rem; color: var(--ink-500); }
.product-body .meta { margin-top: .5rem; font-size: .8rem; font-weight: 600; color: var(--blue); }

/* ---- photo galleries ---------------------------------------------------- */
.photos { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 1rem; }
.photos--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.photos--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.photo { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-3); border: 1px solid var(--line); border-radius: var(--radius); }
.photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
a.photo:hover img { transform: scale(1.03); }
.photo--contain img { object-fit: contain; padding: .75rem; background: #fff; }
.photo--tall { aspect-ratio: 3 / 4; }

/* a product photo with its model under it */
.shot { margin: 0; display: flex; flex-direction: column; gap: .5rem; }
.shot figcaption { font-size: .86rem; line-height: 1.4; color: var(--ink-500); }
.shot figcaption strong { color: var(--navy); font-weight: 650; }

.figure { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.figure img { width: 100%; height: auto; }
.figure figcaption { padding: .7rem 1rem; font-size: .82rem; color: var(--muted); border-top: 1px solid var(--line); }

/* ---- logo strip --------------------------------------------------------- */
.logos {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.logos > * { background: #fff; padding: 1.5rem 1.25rem; display: grid; place-items: center; gap: .6rem; min-height: 120px; text-align: center; }
.logos img { max-height: 64px; width: auto; object-fit: contain; }
.logos span { font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-500); }
a.logo-cell:hover { background: var(--blue-100); text-decoration: none; }
.logos--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* ---- lists -------------------------------------------------------------- */
.speclist { list-style: none; padding: 0; display: grid; gap: .65rem; }
.speclist li { position: relative; padding-left: 1.6rem; font-size: .96rem; }
.speclist li::before {
  content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px;
  background: var(--blue-bright); border-radius: 1px;
}
.section--navy .speclist li::before { background: var(--sky); }

.deflist { border-top: 1px solid var(--line); }
.deflist > div { display: grid; grid-template-columns: minmax(180px, 32%) 1fr; gap: 1.5rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.deflist dt { font-weight: 650; color: var(--navy); font-size: .96rem; }
.deflist dd { margin: 0; font-size: .96rem; color: var(--ink-500); }

.pills { display: flex; flex-wrap: wrap; gap: .5rem; }
.pill { display: inline-block; padding: .36rem .8rem; font-size: .78rem; font-weight: 600; letter-spacing: .02em; background: var(--paper-2); border: 1px solid var(--line); border-radius: 100px; color: var(--ink-500); }
.section--navy .pill { background: var(--navy-800); border-color: var(--line-dark); color: #c4cbe6; }

/* ---- spec rows (chemicals, compounds) ----------------------------------- */
.specrows { display: grid; gap: 1.25rem; }
.specrow {
  display: grid; grid-template-columns: 180px 1fr; gap: 1.5rem; align-items: center;
  padding: 1.25rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
}
.specrow-img { aspect-ratio: 1; display: grid; place-items: center; background: #fff; }
.specrow-img img { max-height: 100%; width: auto; object-fit: contain; }
.specrow-img.cover img { object-fit: cover; }  /* a 4:3 shot on white: fill the square, trimming only white */
.specrow h3 { font-size: 1.15rem; }
.specrow p { margin-top: .45rem; font-size: .95rem; color: var(--ink-500); }
.specrow .tag { display: inline-block; margin: .6rem .4rem 0 0; padding: .22rem .55rem; font-size: .72rem; font-weight: 650; letter-spacing: .04em; border-radius: 2px; background: var(--blue-100); color: var(--blue-600); }
.specrow .tag--warn { background: #fff4d6; color: #7a5600; }

/* ---- spec tables -------------------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.spec-table caption { padding: .9rem 1rem; text-align: left; font-family: var(--display); font-size: 1.05rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; color: var(--navy); border-bottom: 1px solid var(--line); }
.spec-table th, .spec-table td { padding: .65rem 1rem; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table th { font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-500); background: var(--paper-2); }
.spec-table td.num, .spec-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover td { background: var(--blue-100); }

/* ---- downloads ---------------------------------------------------------- */
.downloads { display: grid; gap: .75rem; }
.download {
  display: flex; align-items: center; gap: 1rem; padding: 1.05rem 1.25rem;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink);
}
.download:hover { border-color: var(--blue); text-decoration: none; color: var(--ink); }
.download-ext { flex: none; padding: .3rem .5rem; font-family: var(--display); font-size: .72rem; font-weight: 700; letter-spacing: .08em; background: var(--blue); color: #fff; border-radius: 2px; }
.download small { display: block; font-size: .85rem; color: var(--muted); }
.download-meta { margin-left: auto; font-size: .8rem; color: var(--muted); white-space: nowrap; }

.docs { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 1.25rem; }
.doc { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; color: var(--ink); }
.doc:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); text-decoration: none; color: var(--ink); }
.doc-cover { aspect-ratio: 3 / 4; background: var(--paper-3); border-bottom: 1px solid var(--line); }
.doc-cover img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.doc-body { padding: .9rem 1.05rem 1.05rem; }
.doc-body strong { display: block; font-size: .95rem; }
.doc-body span { font-size: .8rem; font-weight: 650; letter-spacing: .05em; text-transform: uppercase; color: var(--blue); }

/* ---- offices, callouts, quotes ------------------------------------------ */
.office { padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.office h4 { margin-bottom: .55rem; font-family: var(--display); font-size: 1.05rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--navy); }
.office address { font-style: normal; font-size: .93rem; line-height: 1.6; color: var(--ink-500); }

.callout { padding: 1.2rem 1.45rem; font-size: .96rem; background: var(--paper-2); border-left: 3px solid var(--blue-bright); border-radius: 0 var(--radius) var(--radius) 0; }

.quote {
  position: relative; margin: 0; padding: 2rem 2.25rem 1.75rem 3.25rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
}
.quote::before { content: "“"; position: absolute; left: 1rem; top: .2rem; font-family: Georgia, serif; font-size: 4rem; line-height: 1; color: var(--blue-bright); }
.quote p { font-size: 1.08rem; line-height: 1.6; color: var(--ink-700); }
.quote footer { margin-top: 1rem; font-size: .85rem; font-weight: 650; color: var(--muted); }

/* icon pillars (distribution) */
.pillar { display: grid; grid-template-columns: 64px 1fr; gap: 1rem; align-items: start; padding: 1.3rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.pillar img { width: 64px; height: 64px; object-fit: contain; }
.pillar h4 { font-family: var(--display); font-size: 1.1rem; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; color: var(--navy); }
.pillar p { margin-top: .3rem; font-size: .92rem; color: var(--ink-500); }

/* stat tiles on light backgrounds */
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tile { background: #fff; padding: 1.5rem 1.35rem; }
.tile strong { display: block; font-family: var(--display); font-size: clamp(2rem, 3.4vw, 2.7rem); font-weight: 700; line-height: 1; color: var(--blue); }
.tile span { display: block; margin-top: .55rem; font-size: .86rem; color: var(--ink-500); }

/* past trade shows (events page): a card per show, rows of three; a short
   last row sits centred */
.show-cards { --gap: 1.25rem; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--gap); }
.show-card {
  flex: 0 1 calc((100% - 2 * var(--gap)) / 3);
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.show-mark { height: 136px; display: grid; place-items: center; padding: 1.25rem 1.5rem; background: #fff; border-bottom: 1px solid var(--line); }
.show-mark img { max-height: 80px; max-width: 100%; width: auto; height: auto; object-fit: contain; }
/* a show we have no logo for: its name, set in type */
.show-mark--type { align-content: center; gap: .45rem; background: var(--navy); color: #fff; text-align: center; text-transform: uppercase; line-height: 1; }
.show-mark--type span { font-size: .72rem; font-weight: 700; letter-spacing: .22em; color: var(--yellow); }
.show-mark--type strong { font-family: var(--display); font-size: clamp(1.7rem, 2.6vw, 2.2rem); font-weight: 700; letter-spacing: .03em; color: #fff; }
.show-body { padding: 1rem 1.2rem 1.2rem; }
.show-card .when { font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.show-card h3 { margin-top: .3rem; font-size: 1.12rem; }
.show-place { display: flex; align-items: center; gap: .5rem; margin-top: .5rem; font-size: .9rem; color: var(--ink-500); }
.show-place::before { content: ""; width: 9px; height: 9px; flex: none; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: var(--blue-bright); }
.show-more { margin-top: .55rem; font-size: .88rem; font-weight: 600; }

/* photos from a show's stand: the show on one line, its photos in a row below */
.show-floor + .show-floor { margin-top: clamp(2.25rem, 4.5vw, 3.5rem); padding-top: clamp(2.25rem, 4.5vw, 3.5rem); border-top: 1px solid var(--line); }
.show-floor-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .35rem 1.25rem; margin-bottom: 1.1rem; }
.show-floor-head h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.show-floor-head .show-place { margin-top: 0; }
.show-floor-photos { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); gap: .75rem; }

/* ---- trade show: hero chip, blue section, "find us" card ------------------ */
.hero-chip {
  display: inline-flex; align-items: center; gap: .55rem; flex-wrap: wrap;
  margin-bottom: 1.6rem; padding: .5rem 1rem;
  font-size: .84rem; font-weight: 600; line-height: 1.35; color: #fff;
  background: rgba(255, 210, 0, .12); border: 1px solid rgba(255, 210, 0, .55); border-radius: 100px;
}
.hero-chip:hover { color: #fff; text-decoration: none; background: rgba(255, 210, 0, .2); }
.hero-chip strong { color: var(--yellow); }
.hero-chip-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); flex: none; }

.section--blue { background: var(--blue); color: #e6f2f8; }
.section--blue h1, .section--blue h2, .section--blue h3, .section--blue strong { color: #fff; }
.section--blue .lede { color: #e6f2f8; }
.section--blue .kicker { margin-bottom: .7rem; font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--yellow); }
.section--blue a:not(.btn) { color: #fff; text-decoration: underline; text-underline-offset: 2px; }

.findus {
  background: #fff; color: var(--ink-700);
  border-radius: var(--radius); border-top: 6px solid var(--yellow);
  box-shadow: var(--shadow-md); padding: 1.5rem 1.6rem 1.4rem;
}
.findus-label { font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--blue); }
.findus-stand {
  margin: .2rem 0 1rem; font-family: var(--display); font-weight: 700; line-height: 1;
  font-size: clamp(2.8rem, 6vw, 4.2rem); letter-spacing: .01em; text-transform: uppercase; color: var(--navy);
}
.findus-stand span { display: inline-block; padding: 0 .18em; background: var(--yellow); }
.findus-list { display: grid; gap: .5rem; border-top: 1px solid var(--line); padding-top: .9rem; }
.findus-list > div { display: grid; grid-template-columns: 5.5rem 1fr; gap: .75rem; font-size: .93rem; }
.findus-list dt { font-weight: 650; color: var(--navy); }
.findus-list dd { margin: 0; color: var(--ink-700); }
.findus-links { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-top: 1rem; padding-top: .9rem; border-top: 1px solid var(--line); font-size: .9rem; font-weight: 600; }
/* the card is white even inside the blue section, so its links stay blue */
.findus a:not(.btn), .findus-links a { color: var(--blue); text-decoration: none; }
.findus a:not(.btn):hover { color: var(--blue-600); text-decoration: underline; }
.findus .tag-upcoming, .tag-upcoming {
  display: inline-block; padding: .2rem .55rem; font-size: .7rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; background: var(--yellow); color: var(--navy); border-radius: 2px; vertical-align: middle;
}

/* "start here" cards — the two things the show QR codes point at */
.quick { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.quick-card {
  display: grid; grid-template-columns: 120px 1fr; gap: 1.25rem; align-items: start;
  padding: 1.4rem; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue-bright);
  border-radius: var(--radius);
}
.quick-card img { width: 120px; height: auto; border: 1px solid var(--line); background: #fff; }
.quick-card h3 { font-size: 1.3rem; }
.quick-card p { margin-top: .5rem; font-size: .93rem; color: var(--ink-500); }
.quick-card .hero-actions { margin-top: 1rem; gap: .6rem; }

/* the OTR tool, embedded (height set by site.js from the tool's own messages) */
.embed-frame { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.embed-frame iframe { display: block; width: 100%; height: 980px; border: 0; }

/* ---- CTA band ----------------------------------------------------------- */
.cta-band { background: var(--blue); color: #fff; padding-block: clamp(2.5rem, 5.5vw, 4rem); }
.cta-band h2 { color: #fff; }
.cta-band p { margin-top: .8rem; max-width: 56ch; color: rgba(255, 255, 255, .92); }
.cta-band .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 2rem; }
.cta-band .kicker { margin-bottom: .55rem; font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--yellow); }
.cta-band a:not(.btn) { color: #fff; text-decoration: underline; text-underline-offset: 2px; }
.cta-band a:not(.btn):hover { color: var(--yellow); }
.cta-actions { display: flex; flex-wrap: wrap; gap: .7rem; }

/* ---- prose -------------------------------------------------------------- */
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 2em; }
.prose h3 { margin-top: 1.7em; }
.prose ul, .prose ol { padding-left: 1.3rem; display: grid; gap: .45rem; }
.prose li::marker { color: var(--blue-bright); }

/* ---- forms -------------------------------------------------------------- */
.form { display: grid; gap: 1.05rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .76rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; color: var(--navy); }
.field .req { color: var(--blue); }
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem .95rem;
  font-family: inherit; font-size: .95rem; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-100); }
.field textarea { min-height: 140px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.05rem; }
.form-note { font-size: .82rem; color: var(--muted); }
.form-status { display: none; padding: .85rem 1rem; font-size: .9rem; border-radius: var(--radius); }
.form-status.is-ok  { display: block; background: #e9f6ec; color: #1c6b33; border: 1px solid #b9e0c4; }
.form-status.is-err { display: block; background: #fdecea; color: #a3261a; border: 1px solid #f3c2bc; }
.hp { position: absolute; left: -9999px; width: 0; height: 0; opacity: 0; }

.contact-card { padding: clamp(1.4rem, 3vw, 2.1rem); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }

/* ---- responsive --------------------------------------------------------- */
@media (max-width: 1040px) {
  .grid-4, .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .split, .split--wide-left { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-dark); }
  .grid-3, .photos--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .show-card { flex-basis: calc((100% - var(--gap)) / 2); }
}
@media (max-width: 900px) {
  .quick { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .quick-card { grid-template-columns: 1fr; }
  .quick-card img { width: 140px; }
  .grid-2, .grid-3, .grid-4, .photos--3 { grid-template-columns: 1fr; }
  /* product shots stay two to a row; a show with an odd number of photos leads with a wide one */
  .photos:has(> .shot) { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
  .shot figcaption { font-size: .8rem; }
  .show-floor-photos > :first-child:nth-last-child(odd) { grid-column: 1 / -1; }
  /* show cards turn sideways: mark on the left, details on the right */
  .show-card { flex-basis: 100%; flex-direction: row; }
  .show-mark { flex: none; width: 112px; height: auto; padding: .85rem; border-bottom: 0; border-right: 1px solid var(--line); }
  .show-mark img { max-height: 54px; }
  .show-mark--type { gap: .3rem; }
  .show-mark--type span { font-size: .56rem; letter-spacing: .14em; }
  .show-mark--type strong { font-size: 1rem; letter-spacing: 0; }
  .show-body { padding: .85rem 1rem; }
  .field-row { grid-template-columns: 1fr; }
  .deflist > div { grid-template-columns: 1fr; gap: .3rem; }
  .specrow { grid-template-columns: 96px 1fr; gap: 1rem; padding: 1rem; }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; }
  .quote { padding: 1.6rem 1.4rem 1.4rem 2.6rem; }
}