:root {
  --paper: #f7f7f4;
  --white: #fff;
  --ink: #202421;
  --muted: #747a75;
  --line: #dedfd9;
  --accent: #527a6a;
  --accent-light: #dce8df;
  --night: #202824;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "DM Sans", Arial, sans-serif;
  --display: "Manrope", "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 14px; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img { display: block; max-width: 100%; }
.section-wrap { width: min(1200px, calc(100% - 88px)); margin-inline: auto; }
.section-space { padding-block: 120px; }
.notice-bar { min-height: 31px; padding: 8px 20px; background: #e9eee9; text-align: center; color: #536258; font-size: 10px; letter-spacing: .075em; text-transform: uppercase; }
.notice-dot, .research-pill span { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--accent); vertical-align: 1px; }
.site-header { position: sticky; z-index: 20; top: 0; background: rgba(247,247,244,.94); border-bottom: 1px solid rgba(32,36,33,.09); backdrop-filter: blur(16px); }
.header-inner { width: min(1320px, calc(100% - 72px)); min-height: 82px; margin: auto; display: flex; align-items: center; gap: 48px; }
.wordmark { display: flex; width: 155px; flex: 0 0 155px; flex-direction: column; line-height: 1; }
.wordmark-number { font-family: var(--display); font-size: 25px; font-weight: 800; letter-spacing: -.08em; }
.wordmark-number span { padding-left: 4px; color: var(--accent); font-size: 16px; letter-spacing: -.05em; }
.wordmark-sub { margin-top: 4px; font-size: 8px; font-weight: 600; letter-spacing: .28em; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 2.5vw, 37px); flex: 1; }
.main-nav a, .footer-col a { font-size: 12px; color: #4a504b; transition: color .2s ease; }
.main-nav a:hover, .footer-col a:hover { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.research-pill { border: 1px solid #d5dad4; border-radius: 30px; padding: 8px 12px; color: #526056; font-size: 9px; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.research-pill span { width: 5px; height: 5px; margin-right: 5px; }
.icon-button, .cart-link { position: relative; display: inline-flex; width: 24px; height: 24px; align-items: center; justify-content: center; padding: 0; border: 0; background: none; cursor: pointer; }
.icon-button svg, .cart-link svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.cart-count { position: absolute; top: -5px; right: -8px; display: grid; width: 15px; height: 15px; place-items: center; border-radius: 50%; background: var(--accent); color: white; font-size: 9px; }
.menu-toggle { display: none; }
.search-panel { width: min(1240px, calc(100% - 72px)); margin: 0 auto; padding: 0 0 18px; }
.search-panel label { display: block; padding-bottom: 8px; color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.search-field { display: flex; gap: 8px; }
.search-field input { min-width: 0; flex: 1; padding: 11px 13px; border: 1px solid var(--line); background: white; outline-color: var(--accent); }
.search-field .button { min-height: 42px; }
.hero { position: relative; display: grid; min-height: 626px; grid-template-columns: 1fr .95fr; align-items: center; gap: 54px; padding-top: 40px; padding-bottom: 72px; }
.hero-copy { position: relative; z-index: 2; padding: 28px 0 0 25px; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: #7a817b; font-size: 9px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow-line { display: inline-block; width: 26px; height: 1px; background: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 28px 0 19px; font-family: var(--display); font-size: clamp(43px, 5.3vw, 71px); font-weight: 500; letter-spacing: -.075em; line-height: 1.08; }
h1 em, h2 em { color: var(--accent); font-family: var(--serif); font-weight: 400; letter-spacing: -.055em; }
.hero-copy > p { max-width: 475px; color: #666d67; font-size: 14px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 30px; }
.button { display: inline-flex; min-height: 49px; align-items: center; justify-content: center; gap: 23px; padding: 0 20px; border: 1px solid transparent; font-size: 11px; font-weight: 600; transition: transform .2s, background .2s, color .2s; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--night); color: #fff; }
.button-dark:hover { background: var(--accent); }
.button-outline { border-color: #b7c2b9; background: transparent; color: var(--ink); }
.button-outline:hover { border-color: var(--night); background: var(--night); color: white; }
.button-light { background: var(--paper); color: var(--night); }
.button-light:hover { background: white; }
.text-link { display: inline-flex; align-items: center; gap: 12px; padding-bottom: 5px; border-bottom: 1px solid #adb6ad; font-size: 11px; font-weight: 600; }
.text-link span, .button span { font-size: 15px; }
.hero-note { display: flex; align-items: center; gap: 10px; margin-top: 55px; color: #6d746e; font-size: 10px; letter-spacing: .04em; }
.small-check { display: grid; width: 16px; height: 16px; place-items: center; border: 1px solid #bdc9be; border-radius: 50%; color: var(--accent); font-size: 9px; }
.note-divider { width: 1px; height: 13px; background: #d3d5d0; }
.hero-art { position: relative; display: flex; min-height: 492px; align-items: center; justify-content: center; overflow: hidden; background: #090c0c; }
.hero-art::before { position: absolute; top: 0; right: 0; bottom: 0; left: 0; border: 1px solid rgba(255,255,255,.15); content: ""; pointer-events: none; z-index: 1; }
.hero-art::after { position: absolute; right: 8%; bottom: 12%; left: 8%; height: 1px; background: rgba(123,202,176,.65); box-shadow: 0 0 20px rgba(111,195,170,.8); content: ""; }
.hero-art img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; object-position: 50% 49%; opacity: .76; }
.art-caption, .art-index, .art-vertical { position: absolute; z-index: 2; color: rgba(255,255,255,.84); font-size: 8px; letter-spacing: .15em; }
.art-caption { top: 18px; right: 20px; left: 20px; display: flex; justify-content: space-between; }
.art-index { right: 24px; bottom: 21px; left: 24px; display: flex; align-items: baseline; justify-content: space-between; font-size: 11px; }
.art-index span:first-child { font-family: var(--display); font-size: 16px; letter-spacing: .02em; }
.art-vertical { top: 45%; right: 10px; writing-mode: vertical-rl; }
.hero-bottomline { position: absolute; right: 0; bottom: 21px; left: 25px; display: flex; justify-content: space-between; color: #878d87; font-size: 8px; letter-spacing: .14em; }
.assurance-strip { border-block: 1px solid var(--line); background: #f1f2ee; }
.assurance-inner { width: min(1200px, calc(100% - 88px)); min-height: 112px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; margin: auto; }
.assurance-item { display: flex; min-height: 44px; align-items: center; gap: 14px; padding-left: 23px; border-left: 1px solid #d9dcd5; }
.assurance-item:first-child { padding-left: 0; border-left: 0; }
.assurance-icon { color: var(--accent); font-family: var(--serif); font-size: 15px; }
.assurance-item strong, .assurance-item small { display: block; }
.assurance-item strong { margin-bottom: 6px; font-size: 11px; font-weight: 600; }
.assurance-item small { color: #798079; font-size: 10px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.section-heading h2, .resource-intro h2, .about-copy h2, .faq-intro h2 { margin: 21px 0 0; font-family: var(--display); font-size: clamp(38px, 4.4vw, 56px); font-weight: 500; letter-spacing: -.07em; line-height: 1.08; }
.heading-aside { max-width: 355px; padding-bottom: 6px; }
.heading-aside p { margin-bottom: 17px; color: #747a75; font-size: 12px; line-height: 1.8; }
.filters { display: flex; align-items: center; gap: 9px; margin: 49px 0 24px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.filter-chip { display: inline-flex; align-items: center; gap: 13px; padding: 10px 13px; border: 1px solid transparent; background: transparent; color: #707770; font-size: 10px; cursor: pointer; }
.filter-chip span { color: #9da39c; font-size: 9px; }
.filter-chip.is-active { border-color: #d9ded8; background: #fff; color: var(--ink); }
.catalog-note { margin-left: auto; color: #949a93; font-size: 9px; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card { min-width: 0; }
.product-visual { position: relative; display: flex; height: 310px; align-items: center; justify-content: center; overflow: hidden; }
.vial-visual { background: #0a0c0c; }
.vial-visual > img { width: 100%; height: 100%; object-fit: cover; opacity: .82; transition: transform .5s; }
.product-visual:hover > img { transform: scale(1.05); }
.product-number { position: absolute; z-index: 2; top: 15px; left: 15px; color: rgba(255,255,255,.78); font-size: 8px; letter-spacing: .13em; }
.visual-link { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; display: flex; justify-content: space-between; padding: 13px 15px; background: rgba(20,25,22,.86); color: white; font-size: 10px; opacity: 0; transition: opacity .2s; }
.product-visual:hover .visual-link, .product-visual:focus-visible .visual-link { opacity: 1; }
.visual-link b { font-size: 14px; font-weight: 400; }
.abstract-visual { background: #e7e9e5; }
.abstract-blue { background: #e2e8e9; }
.abstract-sand { background: #ece9e1; }
.abstract-green { background: #e3e9e1; }
.abstract-visual::before, .abstract-visual::after { position: absolute; width: 210px; height: 210px; border: 1px solid rgba(72,113,99,.23); border-radius: 50%; content: ""; }
.abstract-visual::after { width: 155px; height: 155px; }
.abstract-orbit { position: relative; display: grid; width: 96px; height: 96px; place-items: center; border: 1px solid rgba(82,122,106,.55); border-radius: 50%; color: var(--accent); font-family: var(--serif); font-size: 30px; }
.abstract-orbit::before, .abstract-orbit::after { position: absolute; width: 11px; height: 11px; border: 1px solid var(--accent); border-radius: 50%; background: #e2e8e9; content: ""; }
.abstract-orbit::before { top: -5px; left: 24px; }
.abstract-orbit::after { right: 4px; bottom: 13px; }
.abstract-mark { position: absolute; bottom: 47px; color: rgba(42,54,46,.23); font-family: var(--display); font-size: 11px; font-weight: 600; letter-spacing: .26em; }
.abstract-sand .abstract-orbit::before, .abstract-sand .abstract-orbit::after { background: #ece9e1; }
.abstract-green .abstract-orbit::before, .abstract-green .abstract-orbit::after { background: #e3e9e1; }
.product-meta { display: flex; justify-content: space-between; margin-top: 18px; color: #828880; font-size: 9px; letter-spacing: .055em; text-transform: uppercase; }
.product-card h3 { margin: 9px 0 13px; font-family: var(--display); font-size: 21px; font-weight: 600; letter-spacing: -.045em; }
.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 13px; border-top: 1px solid var(--line); color: #818780; font-size: 9px; }
.product-footer a { color: var(--ink); font-size: 10px; font-weight: 600; white-space: nowrap; }
.product-footer b { margin-left: 4px; color: var(--accent); }
.collection-footnote { margin-top: 22px; color: #858b85; font-size: 10px; line-height: 1.6; }
.resource-section { background: #27332d; color: #f6f7f3; }
.eyebrow-light { color: #b8c2ba; }
.eyebrow-light .eyebrow-line { background: #93aa9c; }
.resource-intro { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.resource-intro h2 { color: #f5f6f2; }
.resource-intro h2 em { color: #a7bdad; }
.resource-intro > p { max-width: 345px; margin-bottom: 8px; color: #c0c8c0; font-size: 12px; line-height: 1.8; }
.resource-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 58px; border: 1px solid rgba(255,255,255,.2); }
.resource-card { position: relative; min-height: 250px; padding: 23px 20px 20px; border-right: 1px solid rgba(255,255,255,.2); transition: background .2s; }
.resource-card:last-child { border-right: 0; }
.resource-card:hover { background: rgba(255,255,255,.06); }
.resource-id { color: #aab8ad; font-size: 8px; letter-spacing: .12em; }
.resource-icon { position: absolute; top: 19px; right: 20px; color: #c5d1c8; font-size: 16px; }
.resource-card h3 { margin: 49px 0 11px; font-family: var(--display); font-size: 17px; font-weight: 500; letter-spacing: -.04em; }
.resource-card p { min-height: 53px; margin-bottom: 19px; color: #c0c8c0; font-size: 10px; line-height: 1.7; }
.resource-link { display: flex; align-items: center; justify-content: space-between; color: #dbe3dc; font-size: 9px; }
.resource-link b { color: #a8c0b0; font-size: 14px; font-weight: 400; }
.about-section { display: grid; grid-template-columns: 1.03fr .86fr; align-items: center; gap: 10.5%; }
.about-image { position: relative; height: 510px; overflow: hidden; background: #080b0b; }
.about-image img { width: 100%; height: 100%; object-fit: cover; opacity: .82; }
.image-label { position: absolute; right: 17px; bottom: 17px; color: rgba(255,255,255,.86); font-size: 8px; letter-spacing: .14em; }
.about-copy h2 { margin-bottom: 25px; }
.about-copy > p { color: #6f766f; font-size: 12px; line-height: 1.9; }
.about-copy .button { margin-top: 15px; }
.feature-section { display: grid; min-height: 564px; grid-template-columns: 1fr 1fr; background: #edeFEB; }
.feature-photo { position: relative; min-height: 564px; overflow: hidden; background: #080b0b; }
.feature-photo img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; object-position: center 49%; opacity: .83; }
.feature-copy { align-self: center; max-width: 560px; padding: 72px 10% 72px 11%; }
.feature-title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 15px; margin-top: 35px; }
.feature-title-row h2 { margin: 0; font-family: var(--display); font-size: clamp(38px, 5vw, 60px); font-weight: 500; letter-spacing: -.075em; }
.feature-format { color: var(--accent); font-family: var(--serif); font-size: 18px; }
.feature-lead { margin: 13px 0 24px; color: #727970; font-size: 12px; line-height: 1.7; }
.feature-rule { height: 1px; background: #d5d8d1; }
.detail-list { margin: 8px 0 20px; }
.detail-list div { display: flex; justify-content: space-between; gap: 15px; padding: 11px 0; border-bottom: 1px solid #dfe1dc; font-size: 10px; }
.detail-list dt { color: #757c75; }
.detail-list dd { margin: 0; text-align: right; }
.research-warning { display: flex; gap: 12px; padding: 14px; border: 1px solid #d0d8d0; background: #e5eae4; }
.research-warning > span { display: grid; width: 17px; height: 17px; flex: 0 0 17px; place-items: center; border: 1px solid #7d9785; border-radius: 50%; color: #527a60; font-size: 10px; }
.research-warning p { margin: 0; color: #667168; font-size: 9px; line-height: 1.65; }
.research-warning strong { color: #39483d; }
.feature-actions { display: flex; align-items: center; gap: 17px; margin-top: 21px; }
.feature-actions > span { color: #868c85; font-size: 9px; line-height: 1.4; }
.detail-preview { display: grid; grid-template-columns: .92fr 1fr; align-items: center; gap: 11%; }
.detail-image { position: relative; height: 505px; overflow: hidden; background: #080b0b; }
.detail-image img { width: 100%; height: 100%; object-fit: cover; opacity: .82; }
.detail-content h2 { margin: 24px 0 5px; font-family: var(--display); font-size: 45px; font-weight: 500; letter-spacing: -.07em; }
.detail-subtitle { margin-bottom: 27px; color: #858a83; font-size: 11px; }
.detail-price { padding: 17px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-family: var(--display); font-size: 15px; font-weight: 600; }
.detail-price small { display: block; margin-top: 6px; color: #80877f; font-family: var(--sans); font-size: 9px; font-weight: 400; }
.option-label { margin: 20px 0 8px; color: #70776f; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.format-option { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 12px; border: 1px solid #aebdaf; background: #f0f3ef; font-size: 11px; text-align: left; }
.format-option span { color: var(--accent); }
.detail-docs { margin-top: 22px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.detail-docs strong { font-size: 10px; font-weight: 600; }
.detail-docs p { margin: 7px 0; color: #747b74; font-size: 10px; line-height: 1.7; }
.detail-docs a { color: var(--accent); font-size: 10px; font-weight: 600; }
.detail-docs a span { padding-left: 6px; }
.detail-consent { display: flex; align-items: start; gap: 9px; margin: 18px 0; color: #6f766f; font-size: 9px; line-height: 1.6; cursor: pointer; }
.detail-consent input { flex: 0 0 auto; margin: 2px 0 0; accent-color: var(--accent); }
.add-to-cart { width: 100%; }
.add-to-cart:disabled { background: #a6ada7; cursor: not-allowed; transform: none; }
.detail-disclaimer { margin: 12px 0 0; color: #868c85; font-size: 9px; line-height: 1.6; }
.faq-section { background: #f0f1ed; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 12%; }
.faq-intro h2 { margin-bottom: 22px; }
.faq-intro > p { max-width: 290px; margin-bottom: 23px; color: #727971; font-size: 12px; line-height: 1.8; }
.accordion { border-top: 1px solid #d5d8d2; }
.accordion details { border-bottom: 1px solid #d5d8d2; }
.accordion summary { display: flex; min-height: 62px; align-items: center; justify-content: space-between; gap: 20px; color: #323933; font-family: var(--display); font-size: 12px; font-weight: 500; list-style: none; cursor: pointer; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { color: var(--accent); font-size: 20px; font-weight: 300; transition: transform .2s; }
.accordion details[open] summary span { transform: rotate(45deg); }
.accordion details p { max-width: 570px; margin: -2px 30px 19px 0; color: #737a73; font-size: 11px; line-height: 1.8; }
.research-use { display: flex; align-items: center; gap: 24px; padding-block: 33px; border-block: 1px solid rgba(255,255,255,.13); background: #34423a; color: white; }
.research-use .use-symbol { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; border: 1px solid #90a596; border-radius: 50%; color: #c1d0c4; font-family: var(--serif); font-size: 18px; }
.research-use .eyebrow { margin-bottom: 6px; font-size: 8px; }
.research-use h2 { margin: 0 0 5px; font-family: var(--display); font-size: 17px; font-weight: 600; }
.research-use p { max-width: 630px; margin: 0; color: #d2dbd4; font-size: 10px; line-height: 1.7; }
.research-use .text-link { margin-left: auto; border-color: #829287; white-space: nowrap; }
.text-link-light { color: #eff3ef; }
.final-cta { position: relative; overflow: hidden; background: #202a24; color: white; }
.cta-inner { position: relative; z-index: 2; padding-block: 105px 112px; text-align: center; }
.cta-inner .eyebrow { justify-content: center; }
.cta-inner h2 { margin: 24px 0 16px; font-family: var(--display); font-size: clamp(43px, 6vw, 69px); font-weight: 500; letter-spacing: -.075em; line-height: 1.06; }
.cta-inner h2 em { color: #adc1b2; }
.cta-inner > p { max-width: 430px; margin: 0 auto 28px; color: #c3ccc4; font-size: 12px; line-height: 1.75; }
.cta-orbit { position: absolute; top: -185px; left: 50%; width: 680px; height: 680px; border: 1px solid rgba(195,218,198,.1); border-radius: 50%; transform: translateX(-50%); }
.cta-orbit::before, .cta-orbit::after { position: absolute; inset: 55px; border: 1px solid rgba(195,218,198,.09); border-radius: 50%; content: ""; }
.cta-orbit::after { inset: 120px; }
.cta-orbit span, .cta-orbit i, .cta-orbit b { position: absolute; z-index: 1; width: 6px; height: 6px; border-radius: 50%; background: #95b29c; box-shadow: 0 0 16px rgba(149,178,156,.7); }
.cta-orbit span { top: 100px; left: 126px; }
.cta-orbit i { top: 356px; right: 96px; }
.cta-orbit b { top: 470px; left: 181px; }
.site-footer { padding-top: 65px; background: #f4f4f0; }
.footer-main { display: grid; grid-template-columns: 1.55fr 1fr 1.1fr 1fr; gap: 45px; padding-bottom: 48px; }
.footer-logo { display: inline-flex; flex-direction: column; width: 150px; padding: 6px 8px 7px; background: #101413; color: white; line-height: 1; }
.footer-logo > span { font-family: var(--display); font-size: 24px; font-weight: 800; letter-spacing: -.08em; }
.footer-logo > span > span { padding-left: 3px; color: #42a8ad; font-size: 14px; }
.footer-logo small { margin-top: 4px; color: #bac0bb; font-size: 7px; letter-spacing: .22em; }
.footer-brand > p { margin: 16px 0; color: #737a73; font-size: 10px; line-height: 1.7; }
.footer-email { color: #34483a; font-size: 10px; font-weight: 600; }
.footer-email span { padding-left: 6px; color: var(--accent); }
.footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 13px; }
.footer-col h3 { margin: 4px 0 7px; font-size: 9px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.footer-col a { color: #747a74; font-size: 10px; }
.footer-disclaimer { display: grid; grid-template-columns: 150px 1fr; gap: 25px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.footer-disclaimer span { color: var(--accent); font-size: 8px; font-weight: 700; letter-spacing: .14em; }
.footer-disclaimer p { margin: 0; color: #747b74; font-size: 9px; line-height: 1.6; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding: 18px 0 23px; color: #818780; font-size: 8px; letter-spacing: .04em; }
.footer-bottom a { color: #4b5e50; }

@media (max-width: 1000px) {
  .header-inner { gap: 23px; }
  .main-nav { gap: 15px; }
  .main-nav a { font-size: 10px; }
  .header-actions { gap: 12px; }
  .research-pill { padding: 7px 9px; font-size: 8px; }
  .hero { gap: 30px; }
  .hero-copy { padding-left: 0; }
  .hero-art { min-height: 440px; }
  .product-visual { height: 260px; }
  .product-grid { gap: 14px; }
  .resource-card { padding-inline: 14px; }
  .about-section { gap: 7%; }
  .feature-copy { padding-inline: 8%; }
  .detail-preview { gap: 7%; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 76px; }
  .section-wrap, .assurance-inner { width: min(100% - 40px, 560px); }
  .section-space { padding-block: 78px; }
  .notice-bar { min-height: 30px; font-size: 8px; letter-spacing: .04em; }
  .header-inner { width: calc(100% - 40px); min-height: 70px; justify-content: space-between; gap: 12px; }
  .wordmark { width: 130px; flex-basis: 130px; }
  .wordmark-number { font-size: 22px; }
  .wordmark-number span { font-size: 14px; }
  .menu-toggle { display: flex; width: 28px; height: 30px; flex-direction: column; justify-content: center; gap: 6px; order: 3; padding: 0; border: 0; background: none; cursor: pointer; }
  .menu-toggle span { display: block; width: 22px; height: 1px; background: var(--ink); }
  .main-nav { position: absolute; top: 69px; right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 10px 20px 20px; border-bottom: 1px solid var(--line); background: var(--paper); }
  .main-nav.is-open { display: flex; flex-direction: column; }
  .main-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
  .header-actions { margin-left: auto; gap: 12px; }
  .research-pill { display: none; }
  .search-panel { width: calc(100% - 40px); }
  .hero { width: 100%; min-height: 0; grid-template-columns: 1fr; gap: 33px; padding: 51px 20px 65px; }
  .hero-copy { padding: 0; }
  .hero h1 { margin: 22px 0 16px; font-size: clamp(42px, 10.8vw, 60px); }
  .hero-copy > p { max-width: 560px; font-size: 12px; }
  .hero-actions { gap: 18px; margin-top: 24px; }
  .hero-note { margin-top: 26px; font-size: 9px; }
  .hero-art { min-height: 410px; }
  .hero-bottomline { right: 20px; bottom: 20px; left: 20px; font-size: 7px; }
  .assurance-inner { grid-template-columns: 1fr 1fr; padding-block: 13px; }
  .assurance-item { min-height: 67px; padding-left: 12px; border-left: 1px solid #d9dcd5; }
  .assurance-item:nth-child(odd) { padding-left: 0; border-left: 0; }
  .assurance-item strong { font-size: 10px; }
  .assurance-item small { font-size: 9px; }
  .section-heading, .resource-intro { align-items: flex-start; flex-direction: column; gap: 22px; }
  .section-heading h2, .resource-intro h2, .about-copy h2, .faq-intro h2 { font-size: 44px; }
  .heading-aside { max-width: 450px; }
  .filters { flex-wrap: wrap; gap: 4px; margin-top: 35px; }
  .filter-chip { padding-inline: 9px; font-size: 9px; }
  .catalog-note { width: 100%; margin: 8px 0 0; line-height: 1.5; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 14px; }
  .product-visual { height: clamp(190px, 54vw, 290px); }
  .product-meta { font-size: 8px; }
  .product-card h3 { font-size: 18px; }
  .product-footer { align-items: flex-start; flex-direction: column; font-size: 9px; }
  .resource-intro > p { max-width: 480px; }
  .resource-grid { grid-template-columns: 1fr 1fr; margin-top: 37px; }
  .resource-card { min-height: 230px; padding: 18px 14px; border-bottom: 1px solid rgba(255,255,255,.2); }
  .resource-card:nth-child(2) { border-right: 0; }
  .resource-card:nth-child(3), .resource-card:nth-child(4) { border-bottom: 0; }
  .resource-card h3 { margin-top: 41px; font-size: 15px; }
  .resource-card p { font-size: 9px; }
  .about-section { grid-template-columns: 1fr; gap: 35px; }
  .about-image { height: min(100vw, 440px); }
  .about-copy { max-width: 540px; }
  .feature-section { grid-template-columns: 1fr; }
  .feature-photo { min-height: 440px; }
  .feature-copy { max-width: 600px; padding: 55px 25px 62px; margin: auto; }
  .feature-title-row { margin-top: 25px; }
  .detail-preview { grid-template-columns: 1fr; gap: 36px; }
  .detail-image { height: min(112vw, 520px); }
  .detail-content { max-width: 540px; }
  .faq-layout { grid-template-columns: 1fr; gap: 36px; }
  .faq-intro > p { max-width: 420px; }
  .accordion summary { min-height: 58px; font-size: 11px; }
  .research-use { align-items: flex-start; gap: 13px; padding-block: 24px; }
  .research-use .use-symbol { width: 30px; height: 30px; flex-basis: 30px; font-size: 15px; }
  .research-use .text-link { align-self: center; font-size: 9px; }
  .final-cta .section-wrap { width: calc(100% - 40px); }
  .cta-inner { padding-block: 79px 83px; }
  .cta-inner h2 { font-size: clamp(43px, 10vw, 60px); }
  .site-footer { padding-top: 48px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px 20px; padding-bottom: 35px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-disclaimer { grid-template-columns: 1fr; gap: 8px; }
  .footer-bottom { flex-wrap: wrap; font-size: 8px; }
}
@media (max-width: 420px) {
  .header-actions { gap: 7px; }
  .wordmark { width: 116px; flex-basis: 116px; }
  .hero h1 { font-size: 41px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 17px; }
  .hero-art { min-height: 350px; }
  .product-grid { gap: 25px 10px; }
  .product-visual { height: 190px; }
  .product-footer { gap: 8px; }
  .resource-card { min-height: 244px; padding-inline: 11px; }
  .resource-card h3 { font-size: 14px; }
  .feature-photo { min-height: 350px; }
  .research-use { flex-wrap: wrap; }
  .research-use > div:nth-child(2) { width: calc(100% - 44px); }
  .research-use .text-link { margin: 4px 0 0 43px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* Readable type scale across catalog, navigation, and supporting information. */
body { font-size: 16px; }
.notice-bar { font-size: 11px; }
.wordmark-sub { font-size: 9px; }
.main-nav a, .footer-col a { font-size: 13px; }
.research-pill { font-size: 10px; }
.search-panel label { font-size: 12px; }
.eyebrow { font-size: 10px; }
.hero-copy > p { font-size: 16px; }
.button, .text-link { font-size: 13px; }
.hero-note { font-size: 12px; }
.art-caption, .art-index, .art-vertical { font-size: 10px; }
.hero-bottomline { font-size: 9px; }
.assurance-item strong { font-size: 13px; }
.assurance-item small { font-size: 11px; }
.heading-aside p { font-size: 14px; }
.filters { gap: 10px; }
.filter-chip { font-size: 12px; }
.filter-chip span { font-size: 10px; }
.catalog-note { font-size: 11px; }
.product-meta { font-size: 10px; }
.product-card h3 { font-size: 23px; }
.product-footer { font-size: 11px; }
.product-footer a { font-size: 12px; }
.collection-footnote { font-size: 12px; }
.resource-intro > p { font-size: 14px; }
.resource-id { font-size: 10px; }
.resource-card h3 { font-size: 19px; }
.resource-card p { font-size: 12px; }
.resource-link { font-size: 11px; }
.about-copy > p { font-size: 14px; }
.image-label { font-size: 10px; }
.feature-lead { font-size: 14px; }
.detail-list div { font-size: 12px; }
.research-warning p { font-size: 11px; }
.feature-actions > span { font-size: 11px; }
.detail-subtitle { font-size: 13px; }
.detail-price small { font-size: 11px; }
.option-label { font-size: 11px; }
.format-option { font-size: 13px; }
.detail-docs strong { font-size: 12px; }
.detail-docs p, .detail-docs a { font-size: 12px; }
.detail-consent { font-size: 11px; }
.detail-disclaimer { font-size: 11px; }
.faq-intro > p { font-size: 14px; }
.accordion summary { font-size: 14px; }
.accordion details p { font-size: 13px; }
.research-use .eyebrow { font-size: 9px; }
.research-use h2 { font-size: 19px; }
.research-use p { font-size: 12px; }
.footer-brand > p, .footer-email { font-size: 12px; }
.footer-col h3 { font-size: 10px; }
.footer-col a { font-size: 12px; }
.footer-disclaimer span { font-size: 9px; }
.footer-disclaimer p { font-size: 11px; }
.footer-bottom { font-size: 10px; }

@media (max-width: 760px) {
  body { font-size: 15px; }
  .notice-bar { font-size: 11px; }
  .main-nav a { font-size: 14px; }
  .hero-copy > p { font-size: 15px; }
  .hero-note { font-size: 12px; }
  .hero-bottomline { font-size: 10px; }
  .assurance-item strong { font-size: 13px; }
  .assurance-item small { font-size: 11px; }
  .heading-aside p { font-size: 14px; }
  .filter-chip { font-size: 12px; }
  .catalog-note { font-size: 11px; }
  .product-meta { font-size: 11px; }
  .product-card h3 { font-size: 21px; }
  .product-footer { font-size: 12px; }
  .product-footer a { font-size: 13px; }
  .resource-intro > p { font-size: 14px; }
  .resource-id { font-size: 10px; }
  .resource-card h3 { font-size: 18px; }
  .resource-card p { font-size: 12px; }
  .resource-link { font-size: 11px; }
  .about-copy > p, .feature-lead, .faq-intro > p { font-size: 14px; }
  .detail-list div, .format-option { font-size: 13px; }
  .research-warning p, .detail-consent, .detail-disclaimer { font-size: 11px; }
  .detail-docs strong, .detail-docs p, .detail-docs a { font-size: 12px; }
  .accordion summary { font-size: 14px; }
  .accordion details p { font-size: 13px; }
  .research-use p { font-size: 12px; }
  .footer-brand > p, .footer-email, .footer-col a { font-size: 12px; }
  .footer-disclaimer p { font-size: 11px; }
  .footer-bottom { font-size: 10px; }
}

@media (max-width: 420px) {
  .product-meta { font-size: 10px; }
  .product-card h3 { font-size: 19px; }
  .product-footer, .product-footer a { font-size: 11px; }
  .resource-card p { font-size: 11px; }
  .footer-bottom { font-size: 10px; }
}

@media (max-width: 760px) {
  .research-use {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    align-items: start;
    gap: 0 15px;
    padding: 25px 20px;
  }
  .research-use .use-symbol {
    grid-column: 1;
    grid-row: 1 / span 2;
    width: 36px;
    height: 36px;
    margin-top: 2px;
    font-size: 18px;
  }
  .research-use > div:nth-child(2) {
    grid-column: 2;
    width: auto;
  }
  .research-use .eyebrow { margin-bottom: 8px; font-size: 10px; }
  .research-use h2 { margin-bottom: 8px; font-size: 22px; }
  .research-use p { font-size: 14px; line-height: 1.65; }
  .research-use .text-link {
    grid-column: 2;
    align-self: start;
    justify-self: start;
    margin: 15px 0 0;
    font-size: 13px;
  }

  .notice-bar { font-size: 12px; line-height: 1.45; }
  .wordmark-sub { font-size: 10px; }
  .main-nav a { font-size: 15px; }
  .research-pill { font-size: 11px; }
  .search-panel label { font-size: 13px; }
  .eyebrow { font-size: 11px; }
  .hero-copy > p, .heading-aside p, .resource-intro > p,
  .about-copy > p, .feature-lead, .faq-intro > p { font-size: 15px; line-height: 1.75; }
  .button, .text-link { font-size: 14px; }
  .hero-note { font-size: 13px; }
  .hero-bottomline { font-size: 9px; }
  .art-caption, .art-vertical { font-size: 10px; }
  .art-index { font-size: 12px; }
  .assurance-item strong { font-size: 14px; }
  .assurance-item small { font-size: 12px; line-height: 1.45; }
  .filter-chip { font-size: 13px; }
  .filter-chip span { font-size: 11px; }
  .catalog-note { font-size: 12px; line-height: 1.55; }
  .product-number { font-size: 10px; }
  .product-meta { font-size: 11px; }
  .product-card h3 { font-size: 21px; }
  .product-footer, .product-footer a { font-size: 12px; }
  .collection-footnote { font-size: 13px; line-height: 1.65; }
  .resource-id { font-size: 10px; }
  .resource-card h3 { font-size: 19px; }
  .resource-card p { font-size: 13px; line-height: 1.65; }
  .resource-link { font-size: 12px; }
  .image-label { font-size: 10px; }
  .detail-list div { font-size: 13px; }
  .research-warning p, .feature-actions > span,
  .detail-price small, .option-label, .detail-docs strong,
  .detail-docs p, .detail-docs a, .detail-consent,
  .detail-disclaimer { font-size: 12px; }
  .format-option { font-size: 14px; }
  .accordion summary { min-height: 64px; font-size: 15px; }
  .accordion details p { font-size: 14px; line-height: 1.75; }
  .footer-brand > p, .footer-email, .footer-col a { font-size: 13px; }
  .footer-col h3 { font-size: 11px; }
  .footer-disclaimer span { font-size: 10px; }
  .footer-disclaimer p { font-size: 12px; line-height: 1.65; }
  .footer-bottom { font-size: 11px; line-height: 1.5; }
}

@media (max-width: 420px) {
  .notice-bar { padding-inline: 16px; font-size: 11px; }
  .section-wrap, .assurance-inner { width: calc(100% - 36px); }
  .header-inner { width: calc(100% - 32px); }
  .hero { padding-inline: 18px; }
  .hero h1 { font-size: clamp(39px, 10.4vw, 44px); }
  .hero-bottomline { right: 18px; left: 18px; font-size: 8px; }
  .assurance-inner { column-gap: 8px; }
  .assurance-item { gap: 9px; padding-left: 9px; }
  .assurance-icon { font-size: 14px; }
  .assurance-item strong { font-size: 12px; }
  .assurance-item small { font-size: 11px; }
  .filters { align-items: stretch; }
  .filter-chip { padding: 9px 8px; font-size: 12px; }
  .product-grid { gap: 26px 12px; }
  .product-visual { height: auto; aspect-ratio: 1 / 1.08; }
  .product-meta { gap: 5px; font-size: 11px; }
  .product-card h3 { font-size: 20px; }
  .product-footer, .product-footer a { font-size: 11px; }
  .resource-grid { grid-template-columns: 1fr; }
  .resource-card,
  .resource-card:nth-child(2),
  .resource-card:nth-child(3),
  .resource-card:nth-child(4) {
    min-height: 0;
    padding: 20px 17px;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.2);
  }
  .resource-card:last-child { border-bottom: 0; }
  .resource-card h3 { margin: 32px 0 10px; font-size: 20px; }
  .resource-card p { min-height: 0; margin-bottom: 17px; font-size: 14px; }
  .resource-link { font-size: 13px; }
  .feature-copy { padding-inline: 20px; }
  .detail-list div { gap: 10px; font-size: 12px; }
  .research-use {
    width: calc(100% - 36px);
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 0 12px;
    padding: 22px 15px;
  }
  .research-use .use-symbol { width: 32px; height: 32px; }
  .research-use .eyebrow { font-size: 9px; }
  .research-use h2 { font-size: 20px; }
  .research-use p { font-size: 13px; }
  .research-use .text-link { font-size: 12px; }
  .footer-main { column-gap: 15px; }
  .footer-col a { font-size: 12px; }
  .footer-bottom { font-size: 11px; }
}

@media (max-width: 760px) {
  .hero-bottomline { display: none; }
  .product-number, .art-caption, .art-vertical, .resource-id { font-size: 11px; }
  .collection-footnote { font-size: 14px; }
}

/* Dark laboratory theme */
:root {
  color-scheme: dark;
  --paper: #101411;
  --white: #181e1a;
  --ink: #edf2ee;
  --muted: #b2bcb4;
  --line: #303a33;
  --accent: #9ab9a3;
  --accent-light: #28372d;
  --night: #27322b;
}

body { background: var(--paper); color: var(--ink); }
.notice-bar { background: #1c251f; color: #d3ded5; }
.notice-dot, .research-pill span { background: var(--accent); }
.site-header { background: rgba(16, 20, 17, .95); border-color: #29332d; }
.wordmark-number span { color: #78b9bb; }
.main-nav a, .footer-col a { color: #d0d9d2; }
.main-nav a:hover, .footer-col a:hover { color: var(--accent); }
.research-pill { border-color: #435147; color: #d2ded4; }
.icon-button, .cart-link { color: #e4ebe5; }
.cart-count { background: #5e9271; color: #fff; }
.search-panel label { color: #bac5bc; }
.search-field input { border-color: #3a463d; background: #181e1a; color: #edf2ee; }
.search-field input::placeholder { color: #99a59c; }
.hero-copy > p, .heading-aside p, .resource-intro > p,
.about-copy > p, .feature-lead, .faq-intro > p { color: #c1cbc3; }
.eyebrow { color: #bac6bc; }
h1 em, h2 em { color: #a4c4ad; }
.button-dark { background: #dce8df; color: #172019; }
.button-dark:hover { background: #a9c7b1; color: #132017; }
.button-outline { border-color: #607466; color: #edf2ee; }
.button-outline:hover { border-color: #dce8df; background: #dce8df; color: #172019; }
.button-light { background: #e8eee8; color: #172019; }
.text-link { border-color: #68786d; color: #e4ebe5; }
.hero-note, .hero-bottomline { color: #bac5bc; }
.small-check { border-color: #607568; color: #a4c4ad; }
.note-divider { background: #445047; }
.assurance-strip { border-color: var(--line); background: #151a17; }
.assurance-item { border-color: #303a33; }
.assurance-item strong { color: #edf2ee; }
.assurance-item small { color: #b2bdb4; }
.assurance-icon { color: #a4c4ad; }
.filter-chip { color: #bdc8bf; }
.filter-chip span { color: #a0ada3; }
.filter-chip.is-active { border-color: #45554a; background: #1c241f; color: #f0f4f0; }
.filters { border-color: #303a33; }
.catalog-note, .collection-footnote { color: #aeb9b0; }
.product-meta { color: #bac5bc; }
.product-footer { border-color: #303a33; color: #c1cbc3; }
.product-footer a { color: #f0f4f0; }
.product-footer b, .product-number, .art-index { color: #dbe5dc; }
.abstract-visual, .abstract-blue, .abstract-sand, .abstract-green {
  background: #1b241e;
}
.abstract-visual::before, .abstract-visual::after { border-color: rgba(158, 194, 169, .28); }
.abstract-orbit { border-color: rgba(158, 194, 169, .65); color: #b5d1bc; }
.abstract-orbit::before, .abstract-orbit::after { background: #1b241e; }
.abstract-mark { color: rgba(215, 231, 218, .35); }
.resource-section { background: #1a241e; }
.eyebrow-light { color: #cad6cc; }
.resource-intro h2 { color: #f0f4f0; }
.resource-intro h2 em { color: #a9c5af; }
.resource-grid { border-color: #48554b; }
.resource-card { border-color: #48554b; }
.resource-card:hover { background: rgba(231, 242, 232, .055); }
.resource-id { color: #b5c5b8; }
.resource-icon { color: #d1dfd3; }
.resource-card h3 { color: #f0f4f0; }
.resource-card p { color: #c2cec4; }
.resource-link { color: #e3ebe4; }
.resource-link b { color: #a9c5af; }
.about-image, .feature-photo, .detail-image { background: #080b0b; }
.image-label { color: #eef4ef; }
.feature-section { background: #171d19; }
.feature-title-row h2, .detail-content h2 { color: #f0f4f0; }
.feature-format { color: #b3cfba; }
.feature-rule, .detail-list div { border-color: #344038; }
.detail-list dt, .feature-actions > span { color: #bbc6bd; }
.detail-list dd { color: #eff3ef; }
.research-warning { border-color: #405246; background: #202b23; }
.research-warning > span { border-color: #85a58f; color: #b2d0ba; }
.research-warning p { color: #d1dbd2; }
.research-warning strong { color: #eff5f0; }
.detail-subtitle, .detail-price small, .detail-docs p,
.detail-consent, .detail-disclaimer { color: #b8c3ba; }
.detail-price { border-color: #38433b; color: #f1f5f1; }
.option-label { color: #c4cec6; }
.format-option { border-color: #526457; background: #1c251f; color: #edf2ee; }
.format-option span, .detail-docs a { color: #a8c9b0; }
.detail-docs { border-color: #38433b; }
.detail-docs strong { color: #ecf2ed; }
.detail-consent input { accent-color: #8db598; }
.add-to-cart:disabled { background: #404b43; color: #bdc7be; }
.faq-section { background: #151a17; }
.accordion { border-color: #3a453d; }
.accordion details { border-color: #3a453d; }
.accordion summary { color: #edf2ee; }
.accordion summary span { color: #a6c5ad; }
.accordion details p { color: #c0cbc2; }
.research-use { border-color: #49564b; background: #222e26; }
.research-use .use-symbol { border-color: #7d9984; color: #c5d8c9; }
.research-use p { color: #d6dfd7; }
.research-use .text-link { border-color: #829589; color: #f1f5f1; }
.final-cta { background: #141a16; }
.cta-inner h2 em { color: #b0c9b5; }
.cta-inner > p { color: #c5cfc7; }
.site-footer { background: #111613; }
.footer-logo { background: #252e28; }
.footer-brand > p, .footer-col a { color: #c0cbc2; }
.footer-email { color: #c6d9ca; }
.footer-email span { color: #a9c9b0; }
.footer-col h3 { color: #eff3ef; }
.footer-disclaimer, .footer-bottom { border-color: #303a33; }
.footer-disclaimer span { color: #b2cfb9; }
.footer-disclaimer p, .footer-bottom { color: #b7c2b9; }
.footer-bottom a { color: #d4e2d6; }

@media (max-width: 760px) {
  .main-nav { border-color: #354038; background: #111613; }
  .main-nav a { border-color: #303a33; }
  .menu-toggle span { background: #edf2ee; }
  .assurance-item { border-color: #303a33; }
}