/* HYDRAMEM catalog pages: family listings and individual product models.
   Served as assets/membrane-catalog.css (copied by build-membrane-catalog).
   Palette and type follow the membrane section pages. */

.mcat-wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

.mcat-hero { background: linear-gradient(180deg, #f4f8fb 0%, #ffffff 100%); padding: 132px 0 36px; border-bottom: 1px solid #e3ecf3; }
.mcat-hero--model { padding-bottom: 40px; }
.mcat-hero__grid { display: grid; gap: 32px; }
.mcat-hero__grid--media { grid-template-columns: minmax(0, 1fr) minmax(260px, 420px); align-items: center; }

.mcat-crumbs { font-size: var(--type-metadata); color: #64788c; margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.mcat-crumbs a { color: #64788c; text-decoration: none; }
.mcat-crumbs a:hover, .mcat-crumbs a:focus-visible { color: #007cc3; text-decoration: underline; }
.mcat-crumbs span[aria-current] { color: #0a2740; font-weight: var(--type-weight-heading); }
.mcat-crumbs__sep { color: #b6c6d4; }

.mcat-eyebrow { font-size: var(--type-action-datasheet-exception); letter-spacing: 0.14em; text-transform: uppercase; color: #007cc3; font-weight: var(--type-weight-subheading); margin: 0 0 10px; }
.mcat-h1 { font-size: clamp(30px, 4.2vw, 44px); line-height: 1.12; font-weight: var(--type-weight-heading); color: #0a2740; margin: 0 0 14px; text-wrap: balance; }
.mcat-h2 { font-size: clamp(21px, 2.6vw, 27px); line-height: 1.2; font-weight: var(--type-weight-heading); color: #0a2740; margin: 0 0 14px; text-wrap: balance; }
.mcat-lead { font-size: clamp(15px, 1.4vw, 17px); line-height: 1.6; color: #4a5d72; margin: 0 0 14px; max-width: 70ch; }
.mcat-hero__promise { font-size: clamp(16px, 1.6vw, 19px); }
.mcat-intro { font-size: clamp(14px, 1.3vw, 16px); }
.mcat-note { font-size: var(--type-metadata); line-height: 1.55; color: #64788c; margin: 10px 0 0; max-width: 78ch; }

.mcat-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
a.mcat-btn, a.mcat-btn:visited { color: #007cc3; }
a.mcat-btn.mcat-btn--solid, a.mcat-btn.mcat-btn--solid:visited { color: #ffffff; }
.mcat-btn { display: inline-flex; align-items: center; justify-content: center; padding: 11px 22px; border-radius: 999px; border: 1.5px solid #007cc3; color: #007cc3; font-size: var(--type-helper); font-weight: var(--type-weight-subheading); text-decoration: none; transition: background-color 0.2s ease, color 0.2s ease; }
.mcat-btn:hover, .mcat-btn:focus-visible { background: #eaf4fb; }
.mcat-btn--solid { background: #007cc3; color: #ffffff; }
.mcat-btn--solid:hover, .mcat-btn--solid:focus-visible { background: #005691; color: #ffffff; }

.mcat-figure { margin: 0; border-radius: 18px; overflow: hidden; border: 1px solid #e3ecf3; background: #ffffff; }
.mcat-figure img { display: block; width: 100%; height: auto; object-fit: cover; }

.mcat-body { padding: 40px 0 8px; }
.mcat-body .mcat-wrap + .mcat-wrap { margin-top: 36px; }
.mcat-overview--media { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 380px); gap: 32px; align-items: start; }

.mcat-spec { padding: 22px 0; border-top: 1px solid #e8eff5; }
.mcat-spec:first-child { border-top: 0; padding-top: 0; }

.mcat-pairs { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 10px 28px; margin: 0; }
.mcat-pair { display: grid; grid-template-columns: minmax(150px, 46%) 1fr; gap: 10px; padding: 9px 0; border-bottom: 1px dashed #e3ecf3; }
.mcat-pair dt { font-size: var(--type-metadata); color: #64788c; }
.mcat-pair dd { font-size: var(--type-helper); color: #0a2740; margin: 0; font-weight: var(--type-weight-heading); }

.mcat-tablewrap { overflow-x: auto; border: 1px solid #e3ecf3; border-radius: 14px; }
.mcat-table { width: 100%; border-collapse: collapse; font-size: var(--type-helper); min-width: 520px; }
.mcat-table th, .mcat-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid #edf3f8; }
.mcat-table thead th { background: #f4f8fb; color: #0a2740; font-weight: var(--type-weight-subheading); font-size: var(--type-metadata); letter-spacing: 0.02em; }
.mcat-table tbody th { color: #0a2740; font-weight: var(--type-weight-subheading); white-space: nowrap; }
.mcat-table tbody td { color: #35495e; font-variant-numeric: tabular-nums; }
.mcat-table tbody tr:last-child th, .mcat-table tbody tr:last-child td { border-bottom: 0; }
.mcat-table a { color: #007cc3; font-weight: var(--type-weight-subheading); text-decoration: none; }
.mcat-table a:hover, .mcat-table a:focus-visible { text-decoration: underline; }
.mcat-more { white-space: nowrap; }

/* Family feature cards: the hub pages' .pben visual pattern (grid, hairline
   top rules, uppercase label) carried over to the catalog palette. */
.mcat-feat { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(20px, 2.4vw, 36px); }
.mcat-feat > li { padding-top: 20px; border-top: 1px solid #e2e8f0; }
.mcat-feat__label { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: #007cc3; margin-bottom: 12px; }
.mcat-feat__head { margin: 0 0 8px; font-size: 18px; font-weight: 600; line-height: 1.25; letter-spacing: -0.018em; color: #0f172a; }
.mcat-feat__body { margin: 0; font-size: 16px; line-height: 1.65; color: #64748b; }
@media (max-width: 1080px) {
  .mcat-feat { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .mcat-feat { grid-template-columns: 1fr; }
}

.mcat-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; }
.mcat-chips li { background: #f4f8fb; border: 1px solid #e3ecf3; color: #35495e; font-size: var(--type-metadata); padding: 8px 14px; border-radius: 999px; }
.mcat-chips--tight { margin-top: 14px; }

.mcat-related { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; }
.mcat-related a { display: inline-block; padding: 10px 16px; border-radius: 12px; border: 1px solid #e3ecf3; color: #0a2740; font-size: var(--type-helper); font-weight: var(--type-weight-heading); text-decoration: none; transition: border-color 0.2s ease, color 0.2s ease; }
.mcat-related a:hover, .mcat-related a:focus-visible { border-color: #007cc3; color: #007cc3; }

.mcat-smart { background: #f4f8fb; border-top: 1px solid #e3ecf3; border-bottom: 1px solid #e3ecf3; padding: 36px 0; margin-top: 40px; }
.mcat-smart__inner { max-width: 1140px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; }
.mcat-smart__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.mcat-cta { padding: 44px 0 56px; }
.mcat-cta__inner { max-width: 820px; margin: 0 auto; padding: 0 20px; text-align: center; }
.mcat-cta__inner .mcat-lead { margin-left: auto; margin-right: auto; }
.mcat-cta__actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.mcat-cta .mcat-note { text-align: center; max-width: none; }

@media (max-width: 860px) {
  .mcat-hero__grid--media, .mcat-overview--media { grid-template-columns: 1fr; }
  .mcat-smart__inner { grid-template-columns: 1fr; }
  .mcat-figure--hero { max-width: 420px; }
}
@media (max-width: 560px) {
  .mcat-pairs { grid-template-columns: 1fr; }
  .mcat-pair { grid-template-columns: 1fr; gap: 2px; }
}

/* content.css paints every #main-content a:not(.btn) in brand-secondary at
   ID specificity; these matched-or-higher rules restore the catalog palette. */
#main-content .mcat-crumbs a { color: #64788c; }
#main-content .mcat-crumbs a:hover, #main-content .mcat-crumbs a:focus-visible { color: #007cc3; }
#main-content a.mcat-btn, #main-content a.mcat-btn:visited { color: #007cc3; }
#main-content a.mcat-btn.mcat-btn--solid, #main-content a.mcat-btn.mcat-btn--solid:visited { color: #ffffff; }
#main-content .mcat-table a { color: #007cc3; }
#main-content .mcat-related a { color: #0a2740; }
#main-content .mcat-related a:hover, #main-content .mcat-related a:focus-visible { color: #007cc3; }

/* ── 29 Oct client review ─────────────────────────────────────────────── */
/* The HYDRAMEM product logo on every catalog hero. */
.mcat-logo { display: block; width: clamp(160px, 14vw, 200px); height: auto; margin: 0 0 18px; }
/* HYDRAMEM SMART: the page banner treatment the membrane hubs use. */
.memsmart { min-height: clamp(400px, 38vw, 520px); margin-top: 48px; }
.memsmart .page-banner__media img { object-position: 72% 50%; }
.memsmart .page-banner__inner { width: 100%; padding-top: clamp(56px, 6vw, 96px); padding-bottom: clamp(56px, 6vw, 96px); }
.memsmart .page-banner__copy { max-width: 600px; gap: 18px; }
.memsmart .mcat-eyebrow { margin: 0; color: #2ea8ff; }
.memsmart .mcat-h2 { margin: 0; color: #ffffff; }
.memsmart .mcat-lead { margin: 0; color: rgba(255, 255, 255, 0.82); }
#main-content .memsmart a.btn--primary, #main-content .memsmart a.btn--primary:visited { color: #020d1e; }
#main-content .memsmart a.btn--primary:hover { color: #ffffff; }
@media (max-width: 768px) {
  .memsmart { min-height: 0; }
  .memsmart .page-banner__inner { align-items: flex-end; padding-top: 200px; padding-bottom: 40px; }
}
/* Feature tiles: the light blue box used on the PFAS and Green Hydrogen pages. */
.mcat-feat { gap: clamp(12px, 1.4vw, 20px); }
.mcat-feat > li { padding: clamp(20px, 2vw, 28px); border: 1px solid #cfe6f5; border-radius: 16px; background: #f3f9fd; }
/* Sibling families, closing each family page. */
.mcat-sibs__list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.mcat-sibs__card { display: flex; flex-direction: column; height: 100%; overflow: hidden; border: 1px solid #e3ecf3; border-radius: 18px; background: #ffffff; text-decoration: none; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.mcat-sibs__card:hover, .mcat-sibs__card:focus-visible { border-color: #007cc3; box-shadow: 0 10px 24px rgba(10, 39, 64, 0.08); outline: none; }
.mcat-sibs__media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #f4f8fb; }
.mcat-sibs__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.mcat-sibs__media img.is-contain { object-fit: contain; }
.mcat-sibs__card:hover .mcat-sibs__media img { transform: scale(1.025); }
.mcat-sibs__label { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; font-size: 16px; font-weight: 600; line-height: 1.35; }
.mcat-sibs__arrow { color: #007cc3; }
#main-content .mcat-sibs__card, #main-content .mcat-sibs__card:visited { color: #0a2740; }
#main-content .mcat-sibs__label > span:first-child { color: #0a2740; }
#main-content .mcat-sibs__card:hover .mcat-sibs__label > span:first-child { color: #007cc3; }
@media (prefers-reduced-motion: reduce) {
  .mcat-sibs__card, .mcat-sibs__media img { transition: none; }
}