:root {
  color-scheme: light;
  --navy: #0a3d6b;
  --navy-dark: #062a4b;
  --sky: #8ec8f8;
  --sky-text: #2f6f99;
  --ice: #f0f7ff;
  --paper: #ffffff;
  --ink: #12202c;
  --muted: #596975;
  --line: #d8e3ed;
  --soft: #f6f8fa;
  --signal: #d99b4a;
  --section: min(1280px, calc(100% - 96px));
  font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-synthesis: none;
  letter-spacing: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.7; }
body.menu-open { overflow: hidden; }
button, input, textarea, select { color: inherit; font: inherit; letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: 0; line-height: 1.16; }
h1 { font-size: 68px; }
h2 { font-size: 42px; }
h3 { font-size: 22px; }
p { color: var(--muted); }
.section { margin-inline: auto; width: var(--section); }
.skip-link { background: var(--paper); left: 12px; padding: 10px 16px; position: fixed; top: -80px; z-index: 200; }
.skip-link:focus { top: 12px; }
.eyebrow { color: var(--navy); font-size: 12px; font-weight: 800; letter-spacing: 0; margin-bottom: 18px; text-transform: uppercase; }
.button { align-items: center; border: 1px solid transparent; display: inline-flex; font-size: 14px; font-weight: 750; justify-content: center; min-height: 50px; padding: 0 24px; transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease; }
.button-dark { background: var(--navy); color: #fff; }
.button-dark:hover, .button-dark:focus-visible { background: var(--navy-dark); }
.button-light { background: #fff; color: var(--navy-dark); }
.button-light:hover, .button-light:focus-visible { background: var(--ice); }
.button-ghost-light { border-color: rgb(255 255 255 / 42%); color: #fff; }
.button-ghost-light:hover, .button-ghost-light:focus-visible { border-color: #fff; }
.text-link { align-items: center; color: var(--navy); display: inline-flex; font-size: 14px; font-weight: 750; gap: 10px; }
.text-link span { transition: transform 160ms ease; }
.text-link:hover span, .text-link:focus-visible span { transform: translateX(4px); }

.site-header { align-items: center; background: rgb(255 255 255 / 96%); border-bottom: 1px solid transparent; display: grid; grid-template-columns: 210px minmax(0, 1fr) auto; height: 76px; left: 0; padding: 0 40px; position: sticky; top: 0; transition: border-color 160ms ease, box-shadow 160ms ease; width: 100%; z-index: 100; }
.site-header.scrolled { border-color: var(--line); box-shadow: 0 8px 30px rgb(8 39 66 / 6%); }
.site-logo { display: block; width: 172px; }
.site-logo img { height: 48px; object-fit: contain; object-position: left center; width: 100%; }
.site-nav { align-items: center; display: flex; gap: 34px; justify-content: center; }
.site-nav a { color: #314252; font-size: 14px; padding: 25px 0 22px; position: relative; }
.site-nav a::after { background: var(--sky); bottom: 17px; content: ""; height: 2px; left: 0; position: absolute; transform: scaleX(0); transform-origin: right; transition: transform 160ms ease; width: 100%; }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.header-cta { border: 1px solid var(--navy); color: var(--navy); font-size: 13px; font-weight: 750; padding: 9px 16px; }
.header-cta:hover, .header-cta:focus-visible { background: var(--navy); color: #fff; }
.menu-button { background: transparent; border: 0; display: none; height: 44px; padding: 0; width: 44px; }
.menu-button span { background: var(--navy); display: block; height: 2px; margin: 7px auto; transition: transform 160ms ease; width: 24px; }

.home-hero { background: var(--navy-dark); color: #fff; height: calc(100svh - 76px); max-height: 780px; min-height: 650px; overflow: hidden; position: relative; }
.home-hero::after { background: var(--sky); bottom: 0; content: ""; height: 7px; left: 0; position: absolute; width: 34%; }
.hero-copy { left: max(48px, calc((100vw - 1280px) / 2)); max-width: 520px; position: absolute; top: 50%; transform: translateY(-52%); z-index: 4; }
.hero-copy .eyebrow { color: var(--sky); }
.hero-copy h1 { color: #fff; font-size: 76px; margin-bottom: 10px; }
.hero-copy h1 span { display: block; font-size: 22px; font-weight: 450; margin-top: 16px; }
.hero-slogan { color: #fff; font-size: 28px; font-weight: 750; margin-bottom: 18px; }
.hero-lead { color: rgb(255 255 255 / 76%); font-size: 17px; max-width: 480px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-showcase { background: var(--navy-dark); bottom: 0; left: 45%; overflow: hidden; position: absolute; right: 0; top: 0; }
.hero-showcase img { height: 100%; object-fit: cover; object-position: center; width: 100%; }
.hero-showcase:focus-visible { outline: 3px solid var(--sky); outline-offset: -3px; }
.brand-fact-strip { background: #fff; border-bottom: 1px solid var(--line); }
.brand-fact-strip > div { align-items: center; display: grid; gap: 28px; grid-template-columns: 90px 180px minmax(0, 1fr); min-height: 128px; }
.brand-fact-strip strong { color: var(--navy); font-size: 36px; }
.brand-fact-strip span { color: var(--ink); font-size: 15px; font-weight: 750; }
.brand-fact-strip p { font-size: 14px; margin: 0; max-width: 760px; }

.section-heading { align-items: end; display: grid; gap: 48px; grid-template-columns: minmax(0, 1fr) minmax(240px, 420px); margin-bottom: 46px; }
.section-heading h2 { margin-bottom: 0; max-width: 720px; }
.section-heading > p { margin-bottom: 4px; }
.section-heading > .text-link { justify-self: end; margin-bottom: 8px; }
.problem-section { padding-block: 96px 112px; }
.problem-grid { border-left: 1px solid var(--line); display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.problem-grid a { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); border-top: 1px solid var(--line); display: grid; min-height: 210px; padding: 26px 22px; transition: background-color 160ms ease, color 160ms ease; }
.problem-grid a:hover, .problem-grid a:focus-visible { background: var(--navy); color: #fff; }
.problem-grid span { color: var(--sky-text); font-size: 12px; font-weight: 800; }
.problem-grid strong { align-self: end; font-size: 18px; line-height: 1.45; }
.problem-grid small { color: var(--muted); font-size: 12px; margin-top: 12px; }
.problem-grid a:hover small, .problem-grid a:focus-visible small { color: rgb(255 255 255 / 68%); }

.method-band { background: var(--ice); border-block: 1px solid #dbeaf7; }
.method-inner { display: grid; gap: 64px; grid-template-columns: 0.8fr 1.2fr; padding-block: 100px; }
.method-title h2 { font-size: 52px; margin: 0; max-width: 470px; }
.method-copy { font-size: 19px; margin: 0; max-width: 660px; }
.method-steps { border-top: 1px solid #bcd9f0; display: grid; gap: 0; grid-column: 1 / -1; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; margin: 0; padding: 0; }
.method-steps li { border-right: 1px solid #bcd9f0; min-height: 220px; padding: 28px 34px 12px 0; }
.method-steps li + li { padding-left: 34px; }
.method-steps li:last-child { border-right: 0; }
.method-steps span, .reason-grid span, .method-principles span { color: var(--navy); display: block; font-size: 12px; font-weight: 800; margin-bottom: 36px; }
.method-steps strong { display: block; font-size: 21px; margin-bottom: 10px; }

.products-section { padding-block: 112px; }
.product-grid { display: grid; gap: 24px; grid-template-columns: repeat(12, minmax(0, 1fr)); }
.product-card { border: 1px solid var(--line); display: grid; grid-column: span 4; grid-template-rows: auto 1fr; min-width: 0; }
.product-card:nth-child(-n+2) { grid-column: span 6; }
.product-card-image { aspect-ratio: 1; background: var(--soft); overflow: hidden; position: relative; }
.product-card-image img { height: 100%; object-fit: cover; object-position: center; transition: transform 400ms ease; width: 100%; }
.product-card-image:hover img, .product-card-image:focus-visible img { transform: scale(1.02); }
.product-card-image span { background: var(--paper); bottom: 0; color: var(--navy); font-size: 12px; font-weight: 750; left: 0; padding: 9px 13px; position: absolute; }
.product-card-copy { display: flex; flex-direction: column; padding: 28px; }
.product-card-copy > p:first-child { color: var(--navy); font-size: 12px; font-weight: 750; margin-bottom: 12px; }
.product-card h3 { font-size: 24px; margin-bottom: 14px; }
.product-card-copy > p:not(:first-child) { flex: 1; margin-bottom: 24px; }
.product-card-compact { grid-column: span 4 !important; }

.evidence-callout { background: #172632; color: #fff; }
.evidence-callout-inner { padding-block: 110px; }
.evidence-callout .eyebrow { color: var(--sky); }
.evidence-callout h2 { color: #fff; font-size: 56px; margin-bottom: 24px; }
.evidence-callout p:not(.eyebrow) { color: rgb(255 255 255 / 68%); font-size: 18px; max-width: 760px; }
.evidence-callout-inner > div { align-items: center; display: flex; gap: 28px; margin-top: 34px; }
.evidence-callout .button-dark { background: var(--sky); color: var(--navy-dark); }
.evidence-callout .text-link { color: #fff; }

.about-preview { align-items: start; display: grid; gap: 54px; grid-template-columns: 0.55fr 1.1fr 1fr; padding-block: 116px; }
.about-year { border-top: 4px solid var(--sky); display: grid; padding-top: 24px; }
.about-year strong { color: var(--navy); font-size: 70px; line-height: 1; }
.about-year span { color: var(--muted); font-size: 13px; margin-top: 10px; }
.about-preview h2 { margin: 0; }
.about-preview > div:last-child p { margin-bottom: 26px; }

.faq-section { padding-block: 104px; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { align-items: center; cursor: pointer; display: grid; font-size: 18px; font-weight: 700; gap: 20px; grid-template-columns: 48px minmax(0, 1fr); list-style: none; padding: 24px 10px 24px 0; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { color: var(--navy); content: "+"; font-size: 24px; grid-column: 3; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list summary span { color: var(--sky-text); font-size: 11px; }
.faq-list details > p { margin: 0; max-width: 860px; padding: 0 48px 28px 68px; }

.site-footer { background: var(--navy-dark); color: #fff; }
.footer-main { display: grid; gap: 90px; grid-template-columns: 1fr 1.2fr; padding-block: 76px; }
.footer-brand img { height: 100px; object-fit: contain; object-position: left center; width: 210px; }
.footer-brand p { color: rgb(255 255 255 / 68%); margin-top: 28px; }
.footer-links { display: grid; gap: 60px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.footer-links > div { display: flex; flex-direction: column; gap: 11px; }
.footer-links strong { color: var(--sky); font-size: 12px; margin-bottom: 9px; }
.footer-links a { color: rgb(255 255 255 / 72%); font-size: 14px; }
.footer-links a:hover, .footer-links a:focus-visible { color: #fff; }
.footer-bottom { border-top: 1px solid rgb(255 255 255 / 16%); color: rgb(255 255 255 / 52%); display: flex; font-size: 11px; justify-content: space-between; padding-block: 19px; }
.footer-bottom a:hover, .footer-bottom a:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

.breadcrumbs { align-items: center; color: var(--muted); display: flex; flex-wrap: wrap; font-size: 12px; gap: 10px; margin-bottom: 64px; }
.breadcrumbs a:hover, .breadcrumbs a:focus-visible { color: var(--navy); }
.page-hero { padding-block: 54px 94px; }
.page-hero h1 { font-size: 72px; margin-bottom: 28px; }
.page-display { color: var(--ink); font-size: 38px; font-weight: 750; line-height: 1.3; margin-bottom: 22px; max-width: 880px; }
.page-intro { font-size: 18px; max-width: 760px; }
.products-hero { background: var(--ice); max-width: none; padding-inline: max(48px, calc((100% - 1280px) / 2)); width: 100%; }
.product-directory { padding-bottom: 112px; }
.comparison-band { background: var(--soft); padding-block: 100px; }
.comparison-table { border-top: 1px solid var(--ink); }
.comparison-row { align-items: center; border-bottom: 1px solid var(--line); display: grid; gap: 24px; grid-template-columns: 1.15fr 1.5fr 0.6fr 0.55fr; padding: 20px 0; }
.comparison-row span, .comparison-row a, .comparison-row strong { font-size: 14px; }
.comparison-head { color: var(--muted); font-size: 12px; font-weight: 700; }
.comparison-row a { color: var(--navy); font-weight: 750; }

.product-hero { background: var(--ice); border-bottom: 1px solid #dce9f3; }
.product-hero-inner { align-items: center; display: grid; gap: 88px; grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr); min-height: 660px; padding-block: 64px; }
.product-hero-inner-text-only { grid-template-columns: minmax(0, 800px); min-height: 620px; padding-block: 72px; }
.product-hero-copy { max-width: 650px; }
.product-hero-copy .breadcrumbs { margin-bottom: 44px; }
.product-hero h1 { font-size: 48px; margin-bottom: 24px; }
.product-display { color: var(--ink); font-size: 34px; font-weight: 750; line-height: 1.3; margin-bottom: 18px; }
.product-definition { font-size: 17px; line-height: 1.85; margin-bottom: 32px; max-width: 620px; }
.product-hero-image { align-self: center; aspect-ratio: 1; background: #e8edf1; border: 1px solid #d5e4ef; justify-self: end; margin: 0; max-width: 520px; min-height: 0; overflow: hidden; width: 100%; }
.product-hero-image img { height: 100%; object-fit: cover; object-position: center; width: 100%; }
.product-hero-image-editorial { background: #f7fbfe; }
.product-hero-image-editorial img { object-fit: contain; }
.fact-ribbon { background: var(--navy); color: #fff; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding-inline: max(48px, calc((100vw - 1280px) / 2)); }
.fact-ribbon span { border-right: 1px solid rgb(255 255 255 / 22%); font-size: 13px; font-weight: 700; padding: 18px 22px; text-align: center; }
.fact-ribbon span:first-child { border-left: 1px solid rgb(255 255 255 / 22%); }

.selection-section { align-items: center; background: #f7f9fb; display: grid; gap: 100px; grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr); margin-inline: 0; padding-block: 108px; padding-inline: max(48px, calc((100vw - 1280px) / 2)); width: 100%; }
.selection-section h2 { margin: 0; }
.selection-section > div:first-child { max-width: 600px; }
.selection-section > p { border-left: 3px solid var(--signal); font-size: 19px; margin: 0; max-width: 640px; padding-left: 28px; }
.selection-section-visual { gap: 96px; grid-template-columns: minmax(380px, 0.9fr) minmax(0, 1.1fr); padding-block: 100px; }
.selection-copy { max-width: 620px; }
.selection-copy > p:not(.eyebrow) { font-size: 18px; margin: 24px 0 0; }
.product-editorial-image { aspect-ratio: 1; background: var(--ice); border: 1px solid #d8e5ee; margin: 0; max-width: 500px; overflow: hidden; width: 100%; }
.product-editorial-image img { height: 100%; object-fit: cover; width: 100%; }
.reason-section { padding-block: 110px 120px; }
.product-page .reason-section .section-heading { border-top: 1px solid var(--ink); padding-top: 30px; }
.reason-grid { border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.reason-grid article { border-right: 1px solid var(--line); min-height: 260px; padding: 30px 34px 20px 0; }
.reason-grid article + article { padding-left: 34px; }
.reason-grid article:last-child { border-right: 0; }
.reason-grid h3 { margin-bottom: 16px; }
.reason-visual-layout { align-items: center; display: grid; gap: 100px; grid-template-columns: minmax(0, 1fr) minmax(420px, 0.92fr); }
.reason-visual-layout .product-editorial-image { justify-self: end; max-width: 520px; order: 2; }
.reason-grid-vertical { grid-template-columns: 1fr; order: 1; }
.reason-grid-vertical article, .reason-grid-vertical article + article { border-bottom: 1px solid var(--line); border-right: 0; min-height: 0; padding: 24px 0; }
.reason-grid-vertical article:last-child { border-bottom: 0; }
.reason-grid-vertical article span { color: var(--signal); margin-bottom: 16px; }
.reason-grid-vertical article p { margin-bottom: 0; max-width: 600px; }

.formula-band { background: var(--navy-dark); color: #fff; }
.formula-layout { display: grid; gap: 70px; grid-template-columns: 1.3fr 0.8fr; padding-block: 118px; }
.formula-layout .eyebrow { color: var(--sky); }
.formula-layout h2 { color: #fff; }
.formula-layout > div > p:last-child { color: rgb(255 255 255 / 68%); font-size: 18px; }
.formula-copy > p:not(.eyebrow) { color: rgb(255 255 255 / 68%); font-size: 18px; }
.formula-layout ul { list-style: none; margin: 48px 0 0; padding: 0; }
.formula-layout li { border-bottom: 1px solid rgb(255 255 255 / 18%); color: rgb(255 255 255 / 82%); padding: 17px 0; }
.formula-layout aside { border-left: 4px solid var(--signal); grid-column: 1 / -1; padding: 18px 24px; }
.formula-layout aside strong { color: #efbd7c; }
.formula-layout aside p { color: rgb(255 255 255 / 70%); margin: 8px 0 0; }
.formula-layout-visual { align-items: center; gap: 96px; grid-template-columns: minmax(420px, 0.92fr) minmax(0, 1.08fr); }
.formula-layout-visual .formula-copy { grid-column: 2; grid-row: 1; }
.formula-layout-visual ul { margin-top: 32px; }
.formula-image { aspect-ratio: 1; border: 1px solid rgb(255 255 255 / 18%); grid-column: 1; grid-row: 1; justify-self: start; margin: 0; max-width: 520px; overflow: hidden; width: 100%; }
.formula-image img { height: 100%; object-fit: cover; width: 100%; }

.evidence-section { align-items: start; display: grid; gap: 120px; grid-template-columns: 0.92fr 1.08fr; padding-block: 112px; }
.evidence-copy { max-width: 560px; }
.evidence-copy > p:not(.eyebrow) { font-size: 18px; }
.evidence-copy .text-link { margin-top: 18px; }
.compare-list { border-top: 1px solid var(--ink); list-style: none; margin: 0; padding: 0; }
.compare-list li { align-items: baseline; border-bottom: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: 42px 1fr; padding: 18px 0; }
.compare-list span { color: var(--sky-text); font-size: 11px; font-weight: 800; }

.product-facts-section { background: var(--soft); padding-block: 104px; }
.facts-layout { display: grid; gap: 110px; grid-template-columns: 0.88fr 1.12fr; }
.facts-layout > div:first-child { max-width: 540px; }
.facts-layout dl { border-top: 1px solid var(--ink); margin: 0; }
.facts-layout dl div { border-bottom: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: 150px minmax(0, 1fr); padding: 16px 0; }
.facts-layout dt { color: var(--muted); font-size: 13px; }
.facts-layout dd { font-weight: 650; margin: 0; }
.inci-section { padding-block: 88px; }
.inci-section details { border-block: 1px solid var(--ink); }
.inci-section summary { align-items: center; cursor: pointer; display: flex; justify-content: space-between; list-style: none; padding: 24px 0; }
.inci-section summary::-webkit-details-marker { display: none; }
.inci-section summary span { font-size: 24px; font-weight: 750; }
.inci-section summary small { color: var(--muted); }
.inci-section details > p { line-height: 1.9; max-width: 980px; }
.content-notice { border-left: 3px solid var(--signal); font-size: 13px; padding-left: 14px; }
.product-page .faq-section { background: #f7f9fb; margin-inline: 0; padding-block: 104px; padding-inline: max(48px, calc((100vw - 1280px) / 2)); width: 100%; }
.product-page .related-section { padding-block: 108px; }

.about-hero { background: var(--navy-dark); color: #fff; }
.about-hero-inner { padding-block: 54px 92px; }
.about-hero .breadcrumbs { color: rgb(255 255 255 / 58%); }
.about-hero .eyebrow { color: var(--sky); }
.about-hero h1 { color: #fff; font-size: 72px; margin-bottom: 28px; }
.about-hero .page-display { color: #fff; max-width: 860px; }
.about-hero-lead { color: rgb(255 255 255 / 72%); font-size: 18px; max-width: 760px; }
.about-identity { border-block: 1px solid rgb(255 255 255 / 20%); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 54px; }
.about-identity span { border-right: 1px solid rgb(255 255 255 / 20%); display: grid; gap: 5px; padding: 24px 30px 24px 0; }
.about-identity span + span { padding-left: 30px; }
.about-identity span:last-child { border-right: 0; }
.about-identity strong { color: var(--sky); font-size: 32px; line-height: 1; }
.about-identity small { color: rgb(255 255 255 / 70%); font-size: 13px; }
.story-section { display: grid; gap: 100px; grid-template-columns: 0.85fr 1.15fr; padding-block: 116px; }
.story-section h2 { max-width: 490px; }
.story-copy p { font-size: 18px; margin-bottom: 24px; }
.story-section blockquote { border-left: 4px solid var(--sky); color: var(--navy); font-size: 30px; font-weight: 750; grid-column: 1 / -1; margin: 0; max-width: 980px; padding: 8px 0 8px 28px; }
.about-portfolio { background: var(--ice); border-block: 1px solid #dbeaf7; padding-block: 110px; }
.about-product-line { border-left: 1px solid #c8deef; border-top: 1px solid #c8deef; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.about-product-line a { border-bottom: 1px solid #c8deef; border-right: 1px solid #c8deef; display: grid; min-width: 0; padding: 16px; }
.about-product-line figure { aspect-ratio: 4 / 5; background: #fff; margin: 0 0 20px; overflow: hidden; }
.about-product-line img { height: 100%; object-fit: contain; width: 100%; }
.about-product-line small { color: var(--sky-text); font-size: 11px; font-weight: 800; margin-bottom: 8px; }
.about-product-line strong { font-size: 16px; line-height: 1.45; }
.about-product-line span { align-self: end; color: var(--muted); font-size: 12px; margin-top: 14px; }
.about-product-line a:hover strong, .about-product-line a:focus-visible strong { color: var(--navy); }
.about-method { background: var(--soft); padding-block: 110px; }
.about-method .section-heading > p { font-size: 18px; max-width: 640px; }
.method-principles { border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 58px; }
.method-principles article { border-right: 1px solid var(--line); padding: 28px 36px 0 0; }
.method-principles article + article { padding-left: 36px; }
.method-principles article:last-child { border-right: 0; }
.brand-path-inner { padding-block: 112px; }
.brand-path-grid { border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.brand-path-grid article { border-right: 1px solid var(--line); padding: 32px 48px 12px 0; }
.brand-path-grid article + article { padding-left: 48px; }
.brand-path-grid article:last-child { border-right: 0; }
.brand-path-grid strong { color: var(--sky-text); display: block; font-size: 48px; line-height: 1; margin-bottom: 38px; }
.brand-path-grid h3 { font-size: 26px; }
.brand-path-grid p { max-width: 480px; }
.about-close { background: #172632; color: #fff; text-align: center; }
.about-close .section { align-items: center; display: flex; flex-direction: column; padding-block: 92px; }
.about-close .eyebrow { color: var(--sky); }
.about-close blockquote { display: grid; font-size: 22px; font-weight: 750; gap: 32px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 14px 0 28px; width: min(940px, 100%); }
.about-close-slogan { color: rgb(255 255 255 / 68%); font-size: 17px; }
.about-close-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 18px; }

.evidence-guide { border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 112px; }
.evidence-guide article { border-right: 1px solid var(--line); padding: 28px 34px 12px 0; }
.evidence-guide article + article { padding-left: 34px; }
.evidence-guide article:last-child { border-right: 0; }
.evidence-guide span { color: var(--sky-text); font-size: 34px; font-weight: 800; }
.evidence-guide h2 { font-size: 24px; margin-top: 30px; }
.records-section { padding-bottom: 116px; }
.record-list { border-top: 1px solid var(--ink); }
.record-list article { align-items: center; border-bottom: 1px solid var(--line); display: grid; gap: 34px; grid-template-columns: 54px minmax(0, 1fr) minmax(260px, 390px); padding-block: 34px; }
.record-index { color: var(--sky-text); font-size: 12px; font-weight: 800; }
.record-copy > p { color: var(--navy); font-size: 12px; font-weight: 750; margin-bottom: 8px; }
.record-copy h3 { margin-bottom: 18px; }
.record-copy dl { display: grid; gap: 4px; margin: 0 0 20px; }
.record-copy dl div { display: grid; gap: 12px; grid-template-columns: 90px 1fr; }
.record-copy dt { color: var(--muted); font-size: 12px; }
.record-copy dd { font-size: 13px; margin: 0; }
.record-document { display: grid; gap: 12px; min-width: 0; }
.record-image { aspect-ratio: 16 / 10; background: var(--soft); overflow: hidden; }
.record-image img { height: 100%; object-fit: contain; width: 100%; }
.record-image-report { aspect-ratio: 3 / 4; max-width: 315px; width: 100%; }
.record-document .text-link { justify-self: start; }
.notice-band { background: var(--ice); padding-block: 92px; }
.notice-band h2 { max-width: 800px; }
.notice-band p:last-child { max-width: 760px; }

.home-journal { background: var(--ice); border-block: 1px solid #dbeaf7; }
.home-articles { padding-block: 100px 112px; }
.home-article-list { border-top: 1px solid var(--ink); }
.home-article-list > article { border-bottom: 1px solid var(--line); display: grid; gap: 48px; grid-template-columns: 150px minmax(0, 1fr); padding-block: 30px; }
.home-article-list h3 { font-size: 27px; margin-bottom: 12px; }
.home-article-list h3 a:hover, .home-article-list h3 a:focus-visible { color: var(--navy); }
.home-article-list p { margin-bottom: 14px; max-width: 800px; }
.home-journal-empty { border-block: 1px solid var(--ink); display: grid; gap: 48px; grid-template-columns: 150px minmax(0, 1fr); padding-block: 42px; }
.home-journal-empty > span { color: var(--sky-text); font-size: 12px; font-weight: 800; }
.home-journal-empty h3 { font-size: 27px; margin-bottom: 12px; }
.home-journal-empty p { margin-bottom: 0; }
.articles-hero { background: var(--ice); max-width: none; padding-inline: max(48px, calc((100% - 1280px) / 2)); width: 100%; }
.articles-hero .page-intro { max-width: 840px; }
.articles-index { padding-block: 92px 120px; }
.article-list { border-top: 1px solid var(--ink); }
.article-list > article { border-bottom: 1px solid var(--line); display: grid; gap: 48px; grid-template-columns: 150px minmax(0, 1fr); padding-block: 38px; }
.article-list-meta { color: var(--muted); display: flex; flex-direction: column; font-size: 12px; gap: 12px; }
.article-list-meta span { color: var(--sky-text); font-weight: 800; }
.article-list h2 { font-size: 30px; margin-bottom: 14px; }
.article-list h2 a:hover, .article-list h2 a:focus-visible { color: var(--navy); }
.article-list p { max-width: 800px; }
.article-empty { border-block: 1px solid var(--line); padding-block: 54px; }
.article-empty h2, .article-empty h3 { font-size: 30px; margin-bottom: 12px; }
.article-hero { padding-block: 54px 74px; width: min(900px, var(--section)); }
.article-hero h1 { font-size: 58px; margin: 0 0 28px; overflow-wrap: anywhere; }
.article-summary { font-size: 20px; max-width: 820px; }
.article-meta { border-top: 1px solid var(--line); color: var(--muted); display: flex; font-size: 12px; gap: 24px; margin-top: 34px; padding-top: 18px; }
.article-content { border-top: 1px solid var(--ink); font-size: 17px; overflow-x: auto; padding-block: 68px 84px; width: min(820px, var(--section)); }
.article-content h2 { color: var(--navy-dark); font-size: 34px; margin: 56px 0 20px; }
.article-content h3 { font-size: 26px; margin: 44px 0 16px; }
.article-content h4 { font-size: 21px; margin: 34px 0 14px; }
.article-content p, .article-content li { color: #33424f; }
.article-content p { margin-bottom: 22px; }
.article-content ul, .article-content ol { margin: 18px 0 28px; padding-left: 26px; }
.article-content blockquote { border-left: 3px solid var(--sky); color: var(--muted); margin: 34px 0; padding: 8px 0 8px 24px; }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content a { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }
.article-content table { border-collapse: collapse; margin: 34px 0; min-width: 620px; width: 100%; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 13px 15px; text-align: left; vertical-align: top; }
.article-content th { background: var(--ice); color: var(--navy-dark); }
.article-content figure { margin: 40px 0; }
.article-content figure img { height: auto; margin-inline: auto; width: auto; }
.article-content figcaption { color: var(--muted); font-size: 12px; margin-top: 10px; text-align: center; }
.article-content hr { border: 0; border-top: 1px solid var(--line); margin: 46px 0; }
.article-end { border-top: 1px solid var(--line); display: grid; gap: 18px; padding-block: 36px 100px; width: min(820px, var(--section)); }
.article-end p { font-size: 13px; margin: 0; }

.not-found { min-height: 68vh; padding-block: 140px; }
.not-found h1 { font-size: 60px; margin-bottom: 22px; }
.not-found > div { align-items: center; display: flex; gap: 28px; margin-top: 32px; }

@media (max-width: 1100px) {
  :root { --section: min(100% - 56px, 960px); }
  h2 { font-size: 36px; }
  .site-header { grid-template-columns: 170px 1fr auto; padding-inline: 28px; }
  .site-nav { gap: 20px; }
  .hero-copy { left: 44px; max-width: 430px; }
  .hero-copy h1 { font-size: 62px; }
  .hero-showcase { left: 47%; }
  .problem-grid { grid-template-columns: repeat(3, 1fr); }
  .product-card, .product-card:nth-child(-n+2) { grid-column: span 6; }
  .product-card:last-child { grid-column: 4 / span 6; }
  .about-preview { grid-template-columns: 0.5fr 1fr; }
  .about-preview > div:last-child { grid-column: 2; }
  .record-list article { grid-template-columns: 40px minmax(0, 1fr) 310px; }
  .product-hero-inner { gap: 52px; grid-template-columns: minmax(0, 1fr) minmax(380px, 0.86fr); padding-block: 54px; }
  .product-hero h1 { font-size: 42px; }
  .product-hero-image { max-width: 460px; }
  .selection-section, .product-page .faq-section { padding-inline: 28px; }
  .selection-section-visual { gap: 52px; grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr); }
  .reason-visual-layout, .formula-layout-visual { gap: 56px; grid-template-columns: minmax(0, 1fr) minmax(380px, 0.9fr); }
}

@media (max-width: 820px) {
  :root { --section: calc(100% - 36px); }
  body { font-size: 15px; }
  h1 { font-size: 44px; }
  h2 { font-size: 32px; }
  .site-header { grid-template-columns: 1fr auto; height: 66px; padding-inline: 18px; }
  .site-logo { width: 146px; }
  .site-logo img { height: 44px; }
  .menu-button { display: block; grid-column: 2; grid-row: 1; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .site-nav { align-items: stretch; background: var(--paper); border-top: 1px solid var(--line); display: none; flex-direction: column; gap: 0; height: calc(100svh - 66px); justify-content: start; left: 0; padding: 16px 18px; position: fixed; right: 0; top: 66px; }
  .site-nav.open { display: flex; }
  .site-nav a { border-bottom: 1px solid var(--line); font-size: 20px; padding: 18px 2px; }
  .site-nav a::after { display: none; }
  .header-cta { display: none; }
  .home-hero { height: 720px; max-height: none; min-height: 720px; }
  .hero-copy { left: 20px; max-width: calc(100% - 40px); top: 34px; transform: none; }
  .hero-copy h1 { font-size: 48px; margin-bottom: 8px; }
  .hero-copy h1 span { font-size: 15px; margin-top: 10px; }
  .hero-slogan { font-size: 24px; margin-bottom: 10px; }
  .hero-lead { font-size: 14px; line-height: 1.6; max-width: 520px; }
  .hero-actions { margin-top: 22px; }
  .hero-showcase { bottom: 0; height: 286px; left: 0; right: 0; top: auto; }
  .brand-fact-strip > div { align-items: start; gap: 8px 18px; grid-template-columns: 80px 1fr; padding-block: 22px; }
  .brand-fact-strip strong { font-size: 28px; grid-row: 1 / span 2; }
  .brand-fact-strip p { font-size: 13px; grid-column: 2; }
  .section-heading { align-items: start; gap: 18px; grid-template-columns: 1fr; margin-bottom: 32px; }
  .section-heading > .text-link { justify-self: start; }
  .problem-section, .products-section, .home-articles, .faq-section, .related-section { padding-block: 72px; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-grid a { min-height: 130px; }
  .method-inner { gap: 30px; grid-template-columns: 1fr; padding-block: 72px; }
  .method-title h2 { font-size: 38px; }
  .method-copy { font-size: 16px; }
  .method-steps { grid-template-columns: 1fr; }
  .method-steps li, .method-steps li + li { border-bottom: 1px solid #bcd9f0; border-right: 0; min-height: 0; padding: 24px 0; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card, .product-card:nth-child(-n+2), .product-card:last-child, .product-card-compact { grid-column: auto !important; }
  .evidence-callout-inner { padding-block: 74px; }
  .evidence-callout h2 { font-size: 38px; }
  .about-preview { gap: 34px; grid-template-columns: 1fr; padding-block: 78px; }
  .about-preview > div:last-child { grid-column: auto; }
  .footer-main { gap: 52px; grid-template-columns: 1fr; padding-block: 56px; }
  .footer-bottom { align-items: start; flex-direction: column; gap: 6px; }
  .breadcrumbs { margin-bottom: 38px; }
  .page-hero { padding-block: 38px 66px; }
  .page-hero h1 { font-size: 46px; }
  .page-display { font-size: 28px; }
  .about-hero-inner { padding-block: 38px 64px; }
  .about-hero h1 { font-size: 46px; }
  .about-hero .page-display { font-size: 30px; }
  .about-hero-lead { font-size: 16px; }
  .about-identity { grid-template-columns: 1fr; margin-top: 38px; }
  .about-identity span, .about-identity span + span { border-bottom: 1px solid rgb(255 255 255 / 20%); border-right: 0; padding: 18px 0; }
  .about-identity span:last-child { border-bottom: 0; }
  .products-hero { padding-inline: 18px; }
  .comparison-row { gap: 10px; grid-template-columns: 1fr; padding: 18px 0; }
  .comparison-head { display: none; }
  .product-hero-inner { gap: 30px; grid-template-columns: 1fr; min-height: 0; padding-block: 34px 46px; }
  .product-hero-copy { max-width: none; }
  .product-hero h1 { font-size: 34px; }
  .product-display { font-size: 27px; }
  .product-hero-image { justify-self: stretch; max-width: none; min-height: 420px; width: 100%; }
  .product-hero-image.product-hero-image-editorial { aspect-ratio: 1; min-height: 0; }
  .product-hero-copy .breadcrumbs { margin-bottom: 28px; }
  .fact-ribbon { grid-template-columns: 1fr 1fr; padding-inline: 12px; }
  .fact-ribbon span { border-bottom: 1px solid rgb(255 255 255 / 22%); padding: 13px 8px; }
  .selection-section, .evidence-section, .facts-layout, .story-section { gap: 30px; grid-template-columns: 1fr; padding-block: 76px; }
  .selection-section { padding-inline: 18px; }
  .selection-section > p { font-size: 16px; margin-top: 0; padding-left: 20px; }
  .selection-section-visual { gap: 30px; padding-block: 72px; }
  .selection-copy > p:not(.eyebrow) { font-size: 16px; margin-top: 18px; }
  .product-editorial-image { justify-self: stretch; max-width: none; }
  .reason-section { padding-block: 76px; }
  .product-page .reason-section .section-heading { padding-top: 24px; }
  .reason-grid { grid-template-columns: 1fr; }
  .reason-grid article, .reason-grid article + article { border-bottom: 1px solid var(--line); border-right: 0; min-height: 0; padding: 24px 0; }
  .reason-visual-layout { gap: 30px; grid-template-columns: 1fr; }
  .reason-visual-layout .product-editorial-image, .reason-grid-vertical { order: 0; }
  .reason-grid-vertical article:last-child { border-bottom: 0; }
  .formula-layout { gap: 30px; grid-template-columns: 1fr; padding-block: 76px; }
  .formula-layout-visual .formula-copy, .formula-layout-visual .formula-image { grid-column: 1; grid-row: auto; }
  .formula-layout ul { margin-top: 0; }
  .formula-layout-visual ul { margin-top: 28px; }
  .formula-image { justify-self: stretch; max-width: none; }
  .product-facts-section { padding-block: 76px; }
  .facts-layout dl div { grid-template-columns: 110px 1fr; }
  .inci-section { padding-block: 62px; }
  .inci-section summary { align-items: start; flex-direction: column; gap: 5px; }
  .product-page .faq-section { padding-block: 72px; padding-inline: 18px; }
  .product-page .related-section { padding-block: 72px; }
  .story-copy p { font-size: 16px; }
  .story-section blockquote { font-size: 24px; padding-left: 20px; }
  .about-portfolio { padding-block: 72px; }
  .about-product-line { grid-template-columns: 1fr; }
  .about-product-line a { column-gap: 18px; grid-template-columns: 110px minmax(0, 1fr); padding: 18px; }
  .about-product-line figure { aspect-ratio: 1; grid-row: 1 / 4; margin: 0; }
  .about-product-line small, .about-product-line strong, .about-product-line span { grid-column: 2; }
  .about-product-line span { align-self: start; }
  .about-method { padding-block: 76px; }
  .about-method .section-heading > p { font-size: 16px; }
  .method-principles, .evidence-guide { grid-template-columns: 1fr; }
  .method-principles article, .method-principles article + article, .evidence-guide article, .evidence-guide article + article { border-bottom: 1px solid var(--line); border-right: 0; padding: 24px 0; }
  .brand-path-inner { padding-block: 76px; }
  .brand-path-grid { grid-template-columns: 1fr; }
  .brand-path-grid article, .brand-path-grid article + article { border-bottom: 1px solid var(--line); border-right: 0; padding: 26px 0; }
  .brand-path-grid strong { font-size: 38px; margin-bottom: 24px; }
  .about-close blockquote { font-size: 21px; gap: 14px; grid-template-columns: 1fr; }
  .about-close-actions { width: 100%; }
  .record-list article { align-items: start; gap: 18px; grid-template-columns: 38px minmax(0, 1fr); }
  .record-document { grid-column: 1 / -1; width: 100%; }
  .record-image-report { max-width: 360px; }
  .faq-list summary { font-size: 16px; grid-template-columns: 36px minmax(0, 1fr); padding-right: 0; }
  .faq-list details > p { padding: 0 20px 24px 56px; }
  .articles-hero { padding-inline: 18px; }
  .home-article-list > article { gap: 18px; grid-template-columns: 1fr; }
  .home-article-list h3 { font-size: 23px; }
  .home-journal-empty { gap: 18px; grid-template-columns: 1fr; padding-block: 30px; }
  .home-journal-empty h3 { font-size: 23px; }
  .articles-index { padding-block: 66px 84px; }
  .article-list > article { gap: 18px; grid-template-columns: 1fr; padding-block: 30px; }
  .article-list-meta { flex-direction: row; }
  .article-list h2 { font-size: 25px; }
  .article-hero { padding-block: 38px 54px; }
  .article-hero h1 { font-size: 38px; }
  .article-summary { font-size: 17px; }
  .article-meta { flex-direction: column; gap: 4px; }
  .article-content { font-size: 16px; padding-block: 48px 62px; }
  .article-content h2 { font-size: 28px; margin-top: 44px; }
  .article-content h3 { font-size: 23px; }
  .article-end { padding-bottom: 72px; }
  .not-found { padding-block: 90px; }
  .not-found h1 { font-size: 42px; }
}

@media (max-width: 430px) {
  .hero-copy .eyebrow { margin-bottom: 10px; }
  .hero-copy h1 { font-size: 42px; }
  .hero-slogan { font-size: 22px; }
  .button { min-height: 46px; padding-inline: 17px; }
  .hero-showcase { height: 250px; }
  .product-hero-image { min-height: 360px; }
  .record-copy dl div { grid-template-columns: 1fr; gap: 2px; }
  .evidence-callout-inner > div, .not-found > div { align-items: start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}