:root {
  --ink: #102c3a;
  --ink-2: #1e4856;
  --paper: #f3f0e8;
  --paper-2: #ebe6da;
  --white: #fffdf8;
  --teal: #2a7f79;
  --teal-soft: #dbeae4;
  --amber: #e7a93b;
  --amber-soft: #f5e5bd;
  --coral: #c8664b;
  --line: rgba(16, 44, 58, 0.18);
  --muted: #5f6e71;
  --shadow: 0 18px 50px rgba(16, 44, 58, 0.12);
  --display: Baskerville, "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --body: "Avenir Next", Avenir, "Gill Sans", "Trebuchet MS", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(16,44,58,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,44,58,.035) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: var(--body);
  line-height: 1.55;
}
a { color: inherit; }
img, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; transform: translateY(-160%); background: var(--ink); color: white; padding: .7rem 1rem; }
.skip-link:focus { transform: none; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.eyebrow { font: 700 .74rem/1 var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--teal); }
.section { padding: 88px 0; }
.section--ink { color: var(--paper); background: var(--ink); }
.section--white { background: rgba(255,253,248,.78); border-block: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, .9fr) minmax(280px, .55fr); align-items: end; gap: 48px; margin-bottom: 42px; }
.section-head h2, .page-hero h1 { margin: .65rem 0 0; font-family: var(--display); font-weight: 400; line-height: .98; letter-spacing: -.035em; }
.section-head h2 { font-size: clamp(2.5rem, 5vw, 4.7rem); }
.section-head p { margin: 0; color: var(--muted); font-size: 1.05rem; }
.section--ink .section-head p { color: #bac9c7; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(243,240,232,.92); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.nav { min-height: 76px; display: flex; align-items: center; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-family: var(--display); font-size: 1.45rem; font-weight: 700; letter-spacing: .03em; }
.brand img { width: 34px; height: 34px; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav-links a { text-decoration: none; font-size: .9rem; font-weight: 650; }
.nav-links a[aria-current="page"] { color: var(--teal); }
.nav-toggle { display: none; margin-left: auto; border: 1px solid var(--line); background: var(--white); padding: .55rem .75rem; color: var(--ink); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; border: 1px solid transparent; padding: .85rem 1.15rem; text-decoration: none; font-weight: 750; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn--primary { color: white; background: var(--ink); box-shadow: 5px 5px 0 var(--amber); }
.btn--light { color: var(--ink); background: var(--paper); box-shadow: 5px 5px 0 var(--teal); }
.btn--ghost { border-color: var(--line); background: transparent; }
.hero { display: grid; align-items: center; overflow: hidden; position: relative; }
/* z-index:-1 keeps the decorative ring behind hero content. The hero grid must NOT
   create a stacking context, or it isolates the product photo's mix-blend-mode. */
.hero::after { content: ""; position: absolute; z-index: -1; width: min(46vw, 620px); aspect-ratio: 1; right: -9vw; top: 7%; border: 1px solid rgba(16,44,58,.16); border-radius: 50%; box-shadow: inset 0 0 0 34px rgba(42,127,121,.07), inset 0 0 0 70px rgba(231,169,59,.05); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr); gap: 48px; align-items: center; padding: 80px 0; }
.hero .hero-grid h1 { font-size: clamp(3.1rem, 5.4vw, 5.4rem); max-width: 15ch; }
.hero-media { position: relative; display: grid; place-items: center; }
.hero-media img { width: 100%; max-width: 620px; height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 62%; border: 1px solid var(--line); box-shadow: 14px 14px 0 rgba(42,127,121,.14), 0 24px 48px rgba(16,44,58,.18); }
.hero h1 { margin: .8rem 0 1.4rem; font-family: var(--display); font-weight: 400; font-size: clamp(4rem, 9.3vw, 8.5rem); line-height: .82; letter-spacing: -.055em; max-width: 900px; }
.hero h1 em { color: var(--teal); font-style: italic; }
.hero-lede { max-width: 650px; font-size: clamp(1.05rem, 1.7vw, 1.35rem); color: #40585e; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero-support { margin-top: 26px; max-width: 640px; color: var(--muted); font-size: .95rem; }
.hero-support strong { color: var(--ink); }
.hero-support a { color: var(--teal); font-weight: 700; text-decoration: none; }
.spec-card { align-self: end; background: rgba(255,253,248,.86); border: 1px solid var(--line); box-shadow: var(--shadow); padding: 24px; transform: rotate(1.2deg); }
.spec-card__top { display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 12px; font: 700 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .09em; }
.spec-row { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: .92rem; }
.spec-row span:last-child { font-family: var(--mono); color: var(--teal); }
.search-panel { margin-top: 30px; display: grid; grid-template-columns: 1fr auto; max-width: 720px; padding: 7px; background: var(--white); border: 1px solid var(--line); box-shadow: 8px 8px 0 rgba(16,44,58,.12); }
.search-panel input { min-width: 0; border: 0; background: transparent; padding: .8rem 1rem; color: var(--ink); }
.search-panel button { border: 0; background: var(--teal); color: white; padding: .8rem 1.1rem; font-weight: 750; cursor: pointer; }
.typeahead-anchor { position: relative; min-width: 0; }
.typeahead-anchor--hero { max-width: 720px; margin-top: 30px; }
.typeahead-anchor--hero .search-panel { max-width: none; margin-top: 0; }
.typeahead-panel { position: absolute; z-index: 120; top: calc(100% + 8px); left: 0; right: 0; max-height: 420px; overflow-y: auto; background: var(--white); border: 1px solid var(--line); box-shadow: 10px 12px 0 rgba(16,44,58,.14); }
.typeahead-panel[hidden] { display: none; }
.typeahead-option { display: grid; grid-template-columns: minmax(185px, .8fr) minmax(0, 1.2fr); gap: 18px; align-items: center; padding: 13px 15px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.typeahead-option:last-child { border-bottom: 0; }
.typeahead-option:hover, .typeahead-option[aria-selected="true"] { background: var(--teal-soft); }
.typeahead-skus { display: grid; gap: 3px; font: 700 .74rem/1.25 var(--mono); }
.typeahead-skus span { color: var(--muted); font-weight: 500; }
.typeahead-option mark { padding: 0 1px; background: var(--amber-soft); color: var(--ink); }
.typeahead-name { overflow: hidden; color: var(--muted); font-size: .8rem; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.typeahead-empty { margin: 0; padding: 15px; color: var(--muted); font-size: .85rem; }
.trust-strip { border-block: 1px solid var(--line); background: rgba(255,253,248,.72); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 25px 22px; border-right: 1px solid var(--line); }
.trust-item:last-child { border: 0; }
.trust-item strong { display: block; font-family: var(--display); font-size: 1.2rem; }
.trust-item span { display: block; margin-top: 6px; color: var(--muted); font-size: .83rem; }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { position: relative; min-height: 290px; padding: 25px; background: rgba(255,253,248,.84); border: 1px solid var(--line); text-decoration: none; transition: transform .25s ease, box-shadow .25s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card::before { content: attr(data-index); display: block; font: 700 .72rem/1 var(--mono); color: var(--coral); letter-spacing: .1em; }
.card-icon { display: block; width: 40px; height: 40px; margin: 16px 0 0; color: var(--teal); }
.card-icon svg { width: 100%; height: 100%; }
.card h3 { margin: 16px 0 12px; font: 400 1.75rem/1.05 var(--display); }
.card p { color: var(--muted); }
.card .arrow { position: absolute; bottom: 22px; right: 22px; font-size: 1.5rem; color: var(--teal); }
.path-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(243,240,232,.2); border: 1px solid rgba(243,240,232,.2); }
.path { min-height: 260px; padding: 34px; background: var(--ink); }
.path .number { color: var(--amber); font: 700 .75rem/1 var(--mono); }
.path h3 { font: 400 2.1rem/1.05 var(--display); margin: 50px 0 12px; }
.path p { color: #bac9c7; max-width: 480px; }
.path a { color: white; text-underline-offset: 5px; }
.note { border-left: 5px solid var(--amber); background: var(--amber-soft); padding: 20px 22px; color: #5c4717; }
.page-hero { padding: 92px 0 64px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(3.4rem, 7vw, 7rem); max-width: 920px; }
.page-hero p { max-width: 700px; font-size: 1.18rem; color: var(--muted); }
.breadcrumbs { font: 700 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--teal); }
.group-directory { margin-bottom: 28px; }
.group-directory__head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.group-directory__head h2 { margin: 0; font: 400 1.5rem/1.1 var(--display); }
.group-directory__head p { margin: 0; color: var(--muted); font-size: .88rem; }
.group-directory__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.group-tile { display: flex; flex-direction: column; gap: 4px; align-items: flex-start; padding: 14px 16px; background: rgba(255,253,248,.84); border: 1px solid var(--line); font: inherit; text-align: left; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.group-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.group-tile__name { font-weight: 700; color: var(--ink); }
.group-tile__count { font: 700 .68rem/1 var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--coral); }
.group-back { border: 1px solid var(--line); background: var(--white); color: var(--ink); padding: .7rem 1.1rem; font-weight: 750; cursor: pointer; }
.filter-bar { display: grid; grid-template-columns: minmax(250px, 1fr) repeat(2, minmax(150px, .25fr)); gap: 12px; padding: 18px; background: var(--ink); color: white; }
.field { display: grid; gap: 7px; }
.field label { font-size: .78rem; font-weight: 750; letter-spacing: .02em; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 0; background: var(--white); color: var(--ink); padding: .82rem .9rem; }
.field textarea { min-height: 130px; resize: vertical; }
.results-meta { display: flex; justify-content: space-between; gap: 20px; margin: 24px 0; color: var(--muted); }
.result-list { display: grid; gap: 14px; }
.result { display: grid; grid-template-columns: 76px 1fr auto; align-items: center; gap: 22px; padding: 20px; background: rgba(255,253,248,.8); border: 1px solid var(--line); }
.result-mark { width: 66px; aspect-ratio: 1; border: 8px solid var(--teal-soft); outline: 1px solid var(--teal); border-radius: 50%; }
.result h3 { margin: 0 0 5px; font: 400 1.45rem/1.1 var(--display); }
.result p { margin: 0; color: var(--muted); }
.catalog-toolbar { grid-template-columns: minmax(260px, 1fr) repeat(3, minmax(160px, .42fr)); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.product-card { display: flex; flex-direction: column; min-width: 0; background: rgba(255,253,248,.94); border: 1px solid var(--line); box-shadow: 0 12px 34px rgba(16,44,58,.08); }
.product-media { display: grid; place-items: center; aspect-ratio: 4 / 3; overflow: hidden; background: linear-gradient(145deg, #fff, var(--paper-2)); border-bottom: 1px solid var(--line); }
.product-media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.product-image-pending { display: grid; place-items: center; width: 68%; aspect-ratio: 1; border: 1px dashed rgba(16,44,58,.32); border-radius: 50%; color: var(--muted); text-align: center; font: 700 .72rem/1.45 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.product-card__body { display: flex; flex: 1; flex-direction: column; padding: 22px; }
.product-card h2 { margin: 16px 0 18px; font: 400 1.45rem/1.14 var(--display); overflow-wrap: anywhere; }
.product-badges { display: flex; gap: 7px; flex-wrap: wrap; }
.product-badge { display: inline-flex; padding: .42rem .55rem; background: var(--teal-soft); color: var(--ink); font: 700 .65rem/1 var(--mono); letter-spacing: .035em; text-transform: uppercase; }
.product-badge--pfas { background: var(--ink); color: white; }
.product-badge--muted { background: var(--paper-2); color: var(--muted); }
.product-identity { display: grid; gap: 8px; margin: 0 0 20px; }
.product-identity div { display: grid; grid-template-columns: minmax(100px, .8fr) 1.2fr; gap: 10px; padding-bottom: 7px; border-bottom: 1px dashed var(--line); }
.product-identity dt { color: var(--muted); font-size: .72rem; }
.product-identity dd { margin: 0; text-align: right; font: 700 .72rem/1.35 var(--mono); overflow-wrap: anywhere; }
.price-block { margin-top: auto; padding: 16px; background: var(--paper); border-left: 4px solid var(--amber); }
.price-block del { color: var(--muted); text-decoration-thickness: 2px; }
.price-label { color: var(--muted); font-size: .75rem; }
.price-current { display: flex; align-items: baseline; gap: 10px; margin-top: 5px; }
.price-current strong { font: 400 2rem/1 var(--display); color: var(--teal); }
.price-current span { color: #6d4b08; font: 700 .68rem/1 var(--mono); text-transform: uppercase; }
.price-block--pending { display: grid; gap: 5px; }
.price-block--pending strong { font-family: var(--display); font-size: 1.15rem; }
.price-block--pending span { color: var(--muted); font-size: .78rem; }
.quote-note { margin: 14px 0; color: var(--muted); font-size: .78rem; }
.product-quote { width: 100%; }
.evidence-note { margin: 13px 0 0; color: #5c4717; font-size: .74rem; }
.catalog-pagination { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-top: 34px; padding-bottom: 20px; }
.catalog-pagination button { border: 1px solid var(--line); background: var(--white); color: var(--ink); padding: .85rem 1.6rem; font-weight: 750; cursor: pointer; }
.catalog-pagination button:hover { background: var(--paper-2); }
.pagination-count { margin: 0; font: 700 .72rem/1 var(--mono); color: var(--muted); }
.sr-only { position: absolute; overflow: hidden; clip: rect(0 0 0 0); width: 1px; height: 1px; margin: -1px; }
.status { display: inline-flex; align-items: center; gap: 7px; font: 700 .7rem/1 var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--coral); }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.empty-state { padding: 50px; text-align: center; border: 1px dashed var(--line); background: rgba(255,253,248,.6); }
.empty-state h2 { font: 400 2.4rem/1.05 var(--display); }
.stack { display: grid; gap: 18px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.application { padding: 30px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 70px .8fr 1.2fr; gap: 28px; align-items: start; }
.application .index { font: 700 .72rem/1 var(--mono); color: var(--coral); }
.application h2 { margin: 0; font: 400 2rem/1.05 var(--display); }
.application p { margin-top: 0; color: var(--muted); }
.prose { max-width: 760px; }
.prose h2 { margin: 2.2rem 0 .9rem; font: 400 2rem/1.1 var(--display); }
.prose h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 1.1rem; line-height: 1.65; }
.prose ul, .prose ol { margin: 0 0 1.1rem; padding-left: 1.3rem; line-height: 1.65; }
.prose li { margin-bottom: .4rem; }
.prose table { width: 100%; border-collapse: collapse; margin: .4rem 0 1.6rem; font-size: .92rem; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.prose th { font: 700 .68rem/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.article-meta { display: flex; gap: 16px; flex-wrap: wrap; margin: 10px 0 0; color: var(--muted); font-size: .85rem; }
.article-cta { margin-top: 8px; padding: 26px; background: var(--paper-2); border-left: 4px solid var(--teal); }
.article-cta h3 { margin: 0 0 8px; font: 400 1.5rem/1.15 var(--display); }
.article-cta p { margin: 0 0 16px; color: var(--muted); }
.resource-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.resource { display: block; min-height: 210px; padding: 26px; background: var(--white); border: 1px solid var(--line); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.resource:hover { transform: translateY(-4px); box-shadow: var(--shadow); text-decoration: none; }
.resource h2, .resource h3 { font: 400 1.8rem/1.08 var(--display); }
.resource p { color: var(--muted); }
.form-shell { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 36px; align-items: start; }
.form-card { padding: 30px; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field--wide { grid-column: 1 / -1; }
.form-status { margin-top: 18px; padding: 14px; background: var(--teal-soft); color: var(--ink); }
.hp { position: absolute; overflow: hidden; clip: rect(0 0 0 0); height: 1px; width: 1px; margin: -1px; padding: 0; border: 0; }
.side-note { position: sticky; top: 104px; padding: 24px; border: 1px solid var(--line); background: var(--amber-soft); }
.side-note h2 { font: 400 1.7rem/1.08 var(--display); }
.side-note ul { padding-left: 1.1rem; color: #5c4717; }
.site-footer { padding: 58px 0 28px; background: #0b222c; color: #d8e0dd; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, .7fr); gap: 40px; }
.footer-grid h2, .footer-grid h3 { color: white; font-family: var(--display); }
.footer-grid a { display: block; color: #bdcbc8; text-decoration: none; margin: .5rem 0; }
.footer-bottom { margin-top: 45px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.15); display: flex; justify-content: space-between; gap: 20px; font-size: .8rem; color: #9fb2ae; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.section-title-xl { font: 400 clamp(2.8rem, 6vw, 5.5rem)/.95 var(--display); margin: .7rem 0 1.2rem; }
.section-title-lg { font: 400 clamp(2.7rem, 5vw, 4.8rem)/.97 var(--display); margin: .8rem 0; }
.copy-lg { font-size: 1.12rem; color: var(--muted); }
.tilt-left { transform: rotate(-1deg); }
.mb-28 { margin-bottom: 28px; }
.mb-30 { margin-bottom: 30px; }
.mt-32 { margin-top: 32px; }
.status--teal { color: var(--teal); }
.light-copy { color: #bac9c7; }
.nav-push { margin-left: auto; }
.narrow-shell { max-width: 760px; }
.error-title { font: 400 clamp(4rem, 10vw, 7rem)/.9 var(--display); margin: 1rem 0; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; inset: 76px 0 auto; padding: 22px 20px 28px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; }
  .nav-links.is-open { display: flex; }
  .hero-grid, .section-head, .form-shell { grid-template-columns: 1fr; }
  .hero-media img { max-width: 300px; }
  .hero { min-height: auto; }
  .hero h1 { font-size: clamp(4rem, 15vw, 7rem); }
  .spec-card { max-width: 520px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item:nth-child(2) { border-right: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .application { grid-template-columns: 45px 1fr; }
  .application p { grid-column: 2; }
  .side-note { position: static; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-toolbar { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1180px); }
  .section { padding: 62px 0; }
  .hero-grid { padding: 60px 0; gap: 45px; }
  .hero::after { opacity: .4; }
  .search-panel { grid-template-columns: 1fr; }
  .typeahead-option { grid-template-columns: 1fr; gap: 6px; }
  .card-grid, .path-grid, .two-col, .resource-grid, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .filter-bar { grid-template-columns: 1fr; }
  .product-grid, .catalog-toolbar { grid-template-columns: 1fr; }
  .result { grid-template-columns: 55px 1fr; }
  .result .btn { grid-column: 1 / -1; }
  .application { grid-template-columns: 1fr; }
  .application p { grid-column: 1; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}