:root {
  --paper: #f4f0e5;
  --ink: #1c2024;
  --muted: #5b5d59;
  --line: #cecbbf;
  --blue: oklch(50% .235 269);
  --coral: #fc997c;
  --lemon: #f4ce54;
  --lime: #c8e77b;
  --sans: "Bricolage Grotesque", "Helvetica Neue", sans-serif;
  --serif: "Bodoni Moda", Georgia, serif;
  --gutter: clamp(22px, 5vw, 80px);
  --header-height: 88px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 1rem; line-height: 1.55; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; }
a, button { -webkit-tap-highlight-color: transparent; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 600; }
h1, h2 { text-wrap: balance; }
h1 { font-size: clamp(70px, 8vw, 124px); line-height: .94; letter-spacing: -.06em; }
h2 { font-size: clamp(44px, 5.6vw, 84px); line-height: 1.02; letter-spacing: -.055em; }
h3 { line-height: 1.15; letter-spacing: -.03em; }
em { font-family: var(--serif); font-weight: 500; font-style: italic; letter-spacing: -.065em; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
main:focus, section:focus { outline: none; }
main, section, article { scroll-margin-top: calc(var(--header-height) + 24px); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; clip: rect(0,0,0,0); overflow: hidden; white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 16px; padding: 12px 20px; background: var(--ink); color: var(--paper); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.section-shell { padding-inline: var(--gutter); }
.site-header { min-height: var(--header-height); padding: 16px var(--gutter); position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--paper); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 48px; height: 48px; object-fit: contain; }
.brand-name { font-size: 16px; line-height: 1.07; letter-spacing: -.035em; font-weight: 700; }
.site-nav { display: flex; align-items: center; gap: clamp(24px, 3.4vw, 54px); }
.site-nav a { font-size: 15px; padding: 10px 0; position: relative; }
.site-nav a::after { content: ""; height: 2px; position: absolute; bottom: 5px; left: 0; right: 0; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .2s var(--ease); }
.site-nav a[aria-current="location"]::after, .site-nav a:hover::after { transform: scaleX(1); }
.menu-button { display: none; align-items: center; gap: 12px; min-height: 44px; padding: 8px 0 8px 12px; background: transparent; font-size: 15px; }
.menu-glyph { display: grid; gap: 5px; width: 20px; }
.menu-glyph i { height: 1px; width: 20px; background: currentColor; transition: transform .2s var(--ease); }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; column-gap: 4%; align-items: center; padding-top: clamp(48px, 5vw, 80px); }
.hero-copy { padding-bottom: 48px; min-width: 0; }
.eyebrow, .overline { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 500; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 30px; }
.signal { height: 7px; width: 7px; background: var(--blue); border-radius: 50%; flex-shrink: 0; }
.hero h1 { margin-bottom: 30px; }
.hero h1 em { color: var(--blue); display: inline-block; font-size: .92em; line-height: 1.03; }
.hero-lead { font-size: clamp(18px, 1.65vw, 23px); line-height: 1.5; max-width: 460px; letter-spacing: -.02em; }
.hero-description { font-size: .875rem; color: var(--muted); margin-top: 16px; max-width: 400px; }
.hero-scroll { display: inline-flex; align-items: center; gap: 16px; margin-top: 26px; font-size: .875rem; }
.scroll-disc { width: 50px; height: 50px; border: 1px solid var(--ink); border-radius: 50%; display: grid; place-items: center; font-size: 24px; transition: transform .3s var(--ease), background .2s; }
.hero-scroll:hover .scroll-disc { background: var(--lemon); transform: translateY(3px); }
.group-canvas { position: relative; width: 100%; aspect-ratio: 540/610; background: var(--blue); border-radius: 8px 110px 8px 8px; color: var(--paper); margin-bottom: 48px; isolation: isolate; }
.group-canvas::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background-image: linear-gradient(#c6d4ff19 1px, transparent 1px), linear-gradient(90deg, #c6d4ff19 1px, transparent 1px); background-size: 42px 42px; pointer-events: none; }
.canvas-topline { position: absolute; top: 5%; left: 6%; right: 12%; display: flex; justify-content: space-between; gap: 12px; font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }
.canvas-orbits, .group-connections { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.canvas-orbits { stroke: #c6d4ff55; stroke-width: 1; }
.group-connections { stroke: #eee9d4; stroke-width: 2; }
.group-connections-compact { display: none; }
.group-connections circle { fill: var(--paper); }
.partner-connection { stroke-dasharray: 5 6; }
.group-core { position: absolute; width: 43%; left: 27%; top: 13%; padding: 16px 20px 20px; background: #191e27; color: var(--paper); border: 1px solid #697386; border-radius: 5px; transform: rotate(-8deg); z-index: 2; box-shadow: 12px 16px 0 #12205545; }
.core-label { display: block; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.group-core img { width: 78%; height: auto; margin: 12px auto; }
.group-core strong { display: block; font-size: clamp(22px, 2.3vw, 34px); line-height: .95; font-weight: 600; letter-spacing: -.04em; }
.group-node { position: absolute; z-index: 3; width: 37%; padding: 16px 17px; border-radius: 5px; color: var(--ink); box-shadow: 5px 7px 0 #17257135; transition: transform .35s var(--ease); }
.group-node small { display: block; font-size: 10px; line-height: 1.3; letter-spacing: .035em; margin-bottom: 8px; }
.group-node strong { display: flex; justify-content: space-between; gap: 8px; font-size: clamp(18px, 1.75vw, 25px); line-height: 1.1; letter-spacing: -.025em; font-weight: 600; }
.node-detail { display: block; font-size: 11px; line-height: 1.3; margin-top: 8px; }
.node-companies { background: var(--coral); top: 66%; left: -3%; transform: rotate(-6deg); }
.node-products { background: var(--lime); top: 59%; right: -3%; transform: rotate(6deg); }
.node-partners { background: var(--lemon); top: 83%; right: 6%; transform: rotate(-4deg); width: 40%; }
.group-node:hover { transform: rotate(0) translateY(-5px); }
.canvas-star { position: absolute; left: 5%; top: 22%; color: var(--coral); font-size: clamp(60px, 7vw, 105px); line-height: 1; transform: rotate(12deg); }
.canvas-caption { position: absolute; left: 6%; bottom: 5%; font-size: 11px; line-height: 1.45; }
.group-canvas :focus-visible { outline-color: var(--paper); }
.hero-foot { grid-column: 1/-1; display: flex; justify-content: space-between; gap: 20px; padding: 20px 0; border-top: 1px solid var(--line); font-size: .75rem; color: var(--muted); }
.role-ribbon { display: flex; align-items: center; justify-content: space-around; gap: 24px; padding: 22px var(--gutter); background: var(--coral); color: var(--ink); }
.role-ribbon > span { display: flex; align-items: center; justify-content: space-between; gap: clamp(24px, 6vw, 100px); font-size: clamp(22px, 3vw, 44px); font-weight: 600; letter-spacing: -.04em; line-height: 1; }
.role-ribbon i { font-size: .8em; font-style: normal; }
.section-kicker { display: flex; justify-content: space-between; gap: 24px; font-size: .75rem; font-weight: 500; letter-spacing: .035em; padding-bottom: 24px; margin-bottom: 42px; border-bottom: 1px solid var(--line); }
.section-kicker > span:last-child { color: var(--muted); font-weight: 400; }
.portfolio { background: var(--ink); color: var(--paper); padding-block: 72px 66px; --line: #4b5052; --muted: #c3c6c1; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 48px; margin-bottom: 44px; }
.section-heading > p { max-width: 350px; color: var(--muted); font-size: 17px; line-height: 1.65; }
.portfolio h2 em { color: var(--lemon); }
.portfolio-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 0; margin-bottom: 24px; }
html:not(.js) .portfolio-toolbar { display: none; }
.portfolio-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-button { padding: 11px 18px; min-height: 46px; font-size: .875rem; display: flex; align-items: center; gap: 10px; border: 1px solid #626769; border-radius: 30px; background: transparent; transition: background .2s; }
.filter-button sup { font-size: 11px; top: auto; vertical-align: baseline; }
.filter-button:hover { background: #41474a; }
.filter-button.is-active, .filter-button[aria-pressed="true"] { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.filter-status { color: var(--muted); font-size: .75rem; text-align: right; }
.venture-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.venture-card { min-width: 0; display: flex; flex-direction: column; border-radius: 9px; overflow: hidden; background: var(--card-bg); color: var(--card-ink); --card-ink: #1c2024; --card-muted: #383c37; --card-rule: color-mix(in srgb, var(--card-ink), transparent 72%); transition: transform .3s var(--ease); }
.card-wide { grid-column: span 2; }
.venture-grid[data-active-filter="companies"], .venture-grid[data-active-filter="partners"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.venture-grid:not([data-active-filter="all"]) .card-wide { grid-column: auto; }
#erxes-inc { --card-bg: #3551d4; --card-ink: #fffbed; --card-muted: #f0f1ff; }
#erxes-mongolia { --card-bg: #f9a083; }
#mandukhai-khatan { --card-bg: #efcf64; }
#segsgermaa { --card-bg: #d7bbdf; }
#erkhet { --card-bg: #a9d7e6; }
#block-mn { --card-bg: #c8e77b; }
#btk-mn { --card-bg: #304775; --card-ink: #fffbed; --card-muted: #e4eaff; }
#mto-mn { --card-bg: #9fd4cc; }
#mushop { --card-bg: #efe9da; }
.card-art { position: relative; height: 236px; min-height: 236px; display: flex; align-items: center; justify-content: center; padding: 28px; overflow: hidden; }
.card-wide .card-art { justify-content: flex-start; padding-inline: 36px; }
.art-wordmark { font-size: clamp(45px, 5.3vw, 76px); line-height: 1; letter-spacing: -.065em; font-weight: 600; position: relative; z-index: 1; }
.art-submark { display: block; font-size: 10px; font-weight: 500; letter-spacing: .2em; margin-top: 13px; }
.art-caption { position: absolute; bottom: 19px; left: 28px; font-size: 11px; letter-spacing: .03em; }
.card-wide .art-caption { left: 40px; }
.art-corner { position: absolute; right: 24px; bottom: 18px; font-size: 12px; }
.art-erxes { background: #314dce; color: #fff; }
.erxes-star { color: #dbef9d; font-size: .72em; margin-left: 7px; vertical-align: 7%; }
.erxes-orbit { position: absolute; width: 330px; height: 330px; border: 1px solid #ffffff45; border-radius: 50%; right: -35px; top: -100px; }
.erxes-orbit::before, .erxes-orbit::after { content: ""; position: absolute; inset: 26px; border: 1px solid #ffffff45; border-radius: 50%; }
.erxes-orbit::after { inset: 52px; }
.art-mongolia { background: #efaa91; color: #652e28; }
.art-mongolia .art-wordmark { font-size: 57px; }
.art-mandukhai { background: #ead9a1; color: #6a4b29; }
.art-mandukhai .art-wordmark { font-family: Georgia, serif; font-weight: 400; font-size: 66px; text-align: center; }
.art-mandukhai .art-submark { font-family: var(--sans); font-size: 9px; letter-spacing: .14em; }
.mandukhai-arch { width: 154px; height: 176px; border: 1px solid #b49b5a; border-radius: 80px 80px 0 0; position: absolute; top: 24px; }
.art-segsgermaa { background: #e9c6d7; color: #683653; }
.art-segsgermaa .art-wordmark { font-family: var(--serif); font-style: italic; font-size: 83px; text-align: center; }
.art-segsgermaa .art-submark { font-family: var(--sans); font-size: 9px; font-style: normal; letter-spacing: .06em; }
.segsgermaa-circle { width: 160px; height: 160px; border: 1px solid #ae839c; position: absolute; border-radius: 50%; transform: translateX(38px); }
.art-erkhet { background: #c8dee4; color: #235968; }
.art-erkhet .art-wordmark { font-size: 54px; }
.ledger-bars { position: absolute; display: flex; align-items: end; gap: 9px; inset: auto 18px 0 auto; height: 130px; opacity: .16; }
.ledger-bars i { width: 30px; background: #235968; height: 40%; }
.ledger-bars i:nth-child(2) { height: 60%; }
.ledger-bars i:nth-child(3) { height: 80%; }
.ledger-bars i:nth-child(4) { height: 100%; }
.art-block { background: #c9df9b; color: #344c28; }
.wordmark-dot { font-size: .5em; }
.block-buildings { position: absolute; right: 28px; bottom: -12px; display: flex; align-items: end; gap: 9px; height: 175px; transform: skewY(-9deg); opacity: .55; }
.block-buildings i { display: block; width: 50px; height: 64%; border: 1px solid #5f7b47; background: repeating-linear-gradient(0deg, transparent 0 23px, #5f7b47 23px 24px); }
.block-buildings i:nth-child(2) { height: 100%; }
.block-buildings i:nth-child(3) { height: 80%; }
.art-btk { background: #283f6c; color: #e4edd5; }
.btk-letters { display: flex; }
.btk-letters span { height: 70px; width: 70px; border: 1px solid #8296ba; border-radius: 50%; display: grid; place-items: center; font-size: 42px; font-weight: 500; }
.btk-letters span + span { margin-left: -8px; }
.art-btk .art-caption { left: 0; right: 0; text-align: center; }
.art-mto { background: #b6d2c7; color: #284f45; }
.art-mto .art-wordmark { font-size: 57px; }
.compass { font-size: 125px; position: absolute; top: -43px; right: 15px; color: #537e6c; opacity: .35; }
.art-mushop { background: #292e29; color: #f0f1e8; }
.art-mushop .art-wordmark { font-size: clamp(46px, 5.5vw, 80px); }
.shop-outline { font-weight: 400; }
.mushop-asterisk { color: #c9df9b; font-size: .8em; margin-left: 12px; }

.card-art { background: var(--card-bg); color: var(--card-ink); }
.card-art .art-wordmark { font-size: clamp(55px, 6vw, 88px); }
.art-caption { font-size: 11px; }
.card-wide .art-caption { left: 36px; }
.art-mongolia .art-wordmark, .art-erkhet .art-wordmark, .art-mto .art-wordmark { font-size: 64px; }
.art-mandukhai .art-wordmark { font-size: 86px; }
.art-segsgermaa .art-wordmark { font-size: 104px; }
.art-mushop { background: #efe9da; color: #242925; }
.mushop-asterisk { color: #375337; }
.erxes-orbit { width: 430px; height: 430px; right: -90px; top: -180px; }
.card-body { display: flex; flex: 1; flex-direction: column; padding: 0 28px 22px; }
.card-category { display: flex; align-items: center; flex-wrap: wrap; column-gap: 9px; row-gap: 5px; border-top: 1px solid var(--card-rule); padding-top: 18px; font-size: 11px; color: var(--card-muted); margin-bottom: 14px; line-height: 1.5; }
.card-category > span { border-left: 1px solid var(--card-rule); padding-left: 9px; }
.card-title { font-size: clamp(26px, 2.4vw, 36px); line-height: 1.15; }
.legal-name { font-size: .75rem; color: var(--card-muted); margin-top: 7px; }
.card-description { font-size: 1rem; color: var(--card-muted); line-height: 1.6; margin: 14px 0 24px; max-width: 61ch; }
.card-link { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: .875rem; padding-top: 15px; min-height: 44px; margin-top: auto; border-top: 1px solid var(--card-rule); }
.card-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.card-link > span[aria-hidden] { font-size: 20px; transition: transform .25s var(--ease); }
.card-link:hover > span[aria-hidden] { transform: translate(3px,-3px); }
.portfolio-note { font-size: .75rem; color: var(--muted); margin-top: 24px; }
.portfolio :focus-visible { outline-color: var(--lemon); }
.venture-card :focus-visible { outline-color: var(--card-ink); }
.model { padding-block: 80px 96px; }
.model-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 8%; }
.model-statement h2 { font-size: clamp(42px, 4.6vw, 69px); }
.model-statement h2 em { color: var(--blue); }
.model-statement > p { font-size: 17px; line-height: 1.65; color: var(--muted); max-width: 46ch; margin-top: 26px; }
.model-statement > .model-footnote { font-size: .875rem; margin-top: 16px; }
.holding-stamp { display: inline-flex; align-items: center; gap: 18px; border: 1px solid var(--ink); border-radius: 100px; padding: 16px 28px; margin-top: 40px; transform: rotate(-6deg); background: var(--lemon); }
.holding-stamp > span { font-size: 36px; font-weight: 700; letter-spacing: -.05em; }
.holding-stamp i { font-size: .75rem; font-style: normal; line-height: 1.3; }
.model-list { list-style: none; padding: 0; margin: 0; }
.model-list li { display: grid; grid-template-columns: 38px 1fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.model-list li:first-child { padding-top: 0; }
.model-number { font-size: .875rem; color: var(--blue); padding-top: 4px; }
.model-list h3 { font-size: clamp(25px, 2.5vw, 36px); }
.model-list p { font-size: 1rem; color: var(--muted); line-height: 1.65; margin-top: 14px; max-width: 43ch; }
.impact { background: var(--coral); padding-block: 66px 34px; --muted: #5c3a30; --line: #b96751; }
.impact-heading { display: flex; justify-content: space-between; align-items: end; gap: 48px; }
.impact h2 { font-size: clamp(44px, 5vw, 76px); }
.impact-heading > p { font-size: 17px; color: var(--muted); max-width: 340px; line-height: 1.65; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding-top: 40px; margin-top: 46px; border-top: 1px solid var(--line); }
.principles > div > span { display: block; font-size: 34px; line-height: 1; margin-bottom: 24px; }
.principles h3 { font-size: 24px; }
.principles p { color: var(--muted); font-size: 1rem; margin-top: 12px; max-width: 35ch; }
.history-note { font-size: .75rem; color: var(--muted); margin-top: 42px; border-top: 1px solid var(--line); padding-top: 22px; }
.history-note a { color: var(--ink); display: inline-block; margin-left: 8px; padding-block: 8px; text-decoration: underline; text-underline-offset: 4px; }
.contact { padding-block: 70px 66px; }
.contact-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 10%; }
.contact h2 { font-size: clamp(44px, 5vw, 72px); }
.contact-intro { font-size: 1rem; color: var(--muted); margin-top: 20px; }
.contact-email { display: inline-block; font-size: clamp(20px, 2.7vw, 38px); letter-spacing: -.04em; padding-block: 12px; margin-top: 22px; border-bottom: 1px solid var(--ink); }
.contact-email:hover { color: var(--blue); }
.contact-details .overline { margin-bottom: 20px; }
address { font-style: normal; font-size: 1rem; color: var(--muted); line-height: 1.8; }
.contact-phone { margin-top: 12px; font-size: .875rem; }
.contact-phone a { display: inline-block; padding-block: 9px; text-decoration: underline; text-underline-offset: 4px; }
.text-link { display: inline-flex; align-items: center; gap: 18px; padding-block: 10px; font-size: .875rem; text-decoration: underline; text-underline-offset: 5px; }
.text-link:hover { color: var(--blue); }
.contact-details .text-link { margin-top: 10px; }
.site-footer { background: var(--ink); color: var(--paper); padding-top: 48px; padding-bottom: 24px; --line: #4b5052; --muted: #c3c6c1; }
.footer-wordmark { padding-bottom: 40px; font-size: clamp(76px, 14.2vw, 225px); font-weight: 700; letter-spacing: -.075em; line-height: .82; }
.footer-wordmark > span { display: block; }
.footer-wordmark > span:last-child { margin-top: 10px; }
.footer-flower { color: var(--coral); font-size: .75em; margin-left: 24px; vertical-align: 8%; display: inline-block; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 24px; padding-bottom: 28px; border-top: 1px solid var(--line); }
.footer-top > p { font-size: .875rem; color: var(--muted); }
.back-to-top { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; font-size: .875rem; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); padding-top: 14px; }
.footer-bottom small { font-size: .75rem; color: var(--muted); }
.social-links { display: flex; gap: 28px; }
.social-links a { display: flex; gap: 8px; align-items: center; min-height: 44px; font-size: .875rem; }
.social-links a:hover, .back-to-top:hover { text-decoration: underline; text-underline-offset: 5px; }
.site-footer :focus-visible { outline-color: var(--lemon); }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .venture-card:has(.card-link:hover) { transform: translateY(-4px); }
}
@media (prefers-reduced-motion: no-preference) {
  .group-core { animation: core-arrive 850ms var(--ease) both; }
  .canvas-orbits { animation: orbit-arrive 1300ms var(--ease) both; }
  @keyframes core-arrive { from { transform: translateY(18px) rotate(-14deg); } to { transform: translateY(0) rotate(-8deg); } }
  @keyframes orbit-arrive { from { transform: rotate(-16deg) scale(.95); } to { transform: rotate(0) scale(1); } }
}
@media (min-width: 1600px) {
  :root { --gutter: max(80px, calc((100vw - 1440px) / 2)); }
}
@media (min-width: 900px) {
  .portfolio-toolbar { position: sticky; top: var(--header-height); z-index: 10; background: var(--ink); }
  article { scroll-margin-top: calc(var(--header-height) + 90px); }
}
@media (max-width: 1100px) {
  .hero { column-gap: 4%; }
  .hero h1 { font-size: clamp(66px, 8vw, 88px); }
  .hero-lead { font-size: 18px; }
  .hero-description { font-size: 13px; max-width: 280px; }
  .core-label { font-size: 8px; }
  .group-core { padding: 12px 16px 16px; }
  .group-node { width: 40%; padding: 13px; }
  .group-node strong { font-size: 18px; }
  .group-node small { font-size: 9px; }
  .node-detail { font-size: 10px; }
  .node-partners { width: 43%; }
  .canvas-caption { font-size: 10px; }
  .section-heading > p { max-width: 300px; font-size: 16px; }
  .venture-grid { gap: 20px; }
  .card-art { height: 210px; min-height: 210px; }
  .card-body { padding-inline: 23px; }
  .card-category { font-size: 10px; column-gap: 7px; }
  .card-category > span { padding-left: 7px; }
  .card-title { font-size: 29px; }
  .card-art .art-wordmark { font-size: 62px; }
  .art-mongolia .art-wordmark, .art-erkhet .art-wordmark, .art-mto .art-wordmark { font-size: 54px; }
  .art-segsgermaa .art-wordmark { font-size: 85px; }
  .btk-letters span { width: 59px; height: 59px; font-size: 35px; }
  .principles { gap: 26px; }
}
@media (max-width: 899px) {
  :root { --header-height: 76px; --gutter: 32px; }
  .site-header { padding-block: 12px; flex-wrap: wrap; }
  .brand img { width: 44px; height: 44px; }
  .brand-name { font-size: 15px; }
  .js .menu-button { display: flex; }
  .site-nav { width: 100%; gap: 12px 24px; flex-wrap: wrap; }
  .js .site-nav { display: none; position: absolute; left: 0; top: 100%; background: var(--paper); padding: 12px var(--gutter) 22px; border-bottom: 1px solid var(--line); }
  .js .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .js .site-nav a { padding: 14px 0; font-size: 18px; }
  .site-nav a::after { display: none; }
  .site-nav a[aria-current="location"] { color: var(--blue); }
  .menu-button[aria-expanded="true"] .menu-glyph i:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-button[aria-expanded="true"] .menu-glyph i:last-child { transform: translateY(-3px) rotate(-45deg); }
  .hero { grid-template-columns: 1.04fr 1fr; padding-top: 48px; }
  .eyebrow { font-size: 10px; letter-spacing: .04em; margin-bottom: 26px; }
  .hero h1 { font-size: clamp(57px, 8vw, 72px); }
  .hero-lead { font-size: 17px; }
  .group-canvas { aspect-ratio: 540/740; border-top-right-radius: 70px; }
  .canvas-topline { font-size: 9px; }
  .canvas-topline span:last-child { display: none; }
  .group-core { width: 52%; left: 23%; top: 12%; }
  .group-core strong { font-size: 22px; }
  .group-node { padding: 12px; width: 49%; }
  .group-node strong { font-size: 17px; }
  .node-companies { top: 64%; left: -4%; }
  .node-products { top: 60%; right: -4%; }
  .node-partners { top: 82%; width: 54%; right: 1%; }
  .group-connections { display: none; }
  .group-connections-compact { display: block; }
  .canvas-star { top: 15%; font-size: 64px; }
  .role-ribbon { gap: 20px; padding-block: 20px; }
  .role-ribbon > span { gap: 22px; font-size: 26px; }
  .section-heading { align-items: start; flex-direction: column; gap: 26px; }
  .section-heading > p { max-width: 480px; font-size: 17px; }
  .venture-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-wide { grid-column: auto; }
  .venture-grid[data-active-filter="all"] .venture-card:last-child { grid-column: 1/-1; }
  .card-wide .card-art { justify-content: center; padding-inline: 28px; }
  .card-wide .art-caption { left: 28px; }
  .card-category { font-size: 11px; }
  .model-layout { gap: 6%; }
  .model-statement h2 { font-size: 44px; }
  .model-list li { grid-template-columns: 24px 1fr; gap: 14px; }
  .model-list h3 { font-size: 26px; }
  .impact-heading { flex-direction: column; align-items: start; gap: 28px; }
  .impact-heading > p { max-width: 490px; }
  .principles h3 { font-size: 22px; }
  .contact-layout { gap: 6%; grid-template-columns: 1.15fr 1fr; }
  .contact-email { font-size: 23px; }
  .footer-top > p { max-width: 180px; text-align: center; }
}
@media (max-width: 639px) {
  :root { --gutter: 22px; --header-height: 72px; }
  h2 { font-size: clamp(40px, 10vw, 58px); }
  .site-header { padding-block: 10px; gap: 0; }
  .brand { gap: 10px; }
  .brand img { width: 42px; height: 42px; }
  .brand-name { font-size: 14px; }
  .hero { grid-template-columns: 1fr; gap: 0; padding-top: 36px; }
  .hero-copy { padding-bottom: 36px; }
  .eyebrow { font-size: 10px; margin-bottom: 24px; }
  .hero h1 { font-size: clamp(67px, 16.8vw, 100px); margin-bottom: 25px; letter-spacing: -.06em; }
  .hero h1 em { font-size: .89em; }
  .hero-lead { font-size: 18px; max-width: 440px; }
  .hero-description { font-size: 13px; max-width: 300px; }
  .hero-scroll { margin-top: 20px; }
  .scroll-disc { width: 44px; height: 44px; }
  .group-canvas { width: 94%; max-width: 460px; justify-self: center; aspect-ratio: 540/690; margin-bottom: 54px; border-top-right-radius: 72px; }
  .canvas-topline { font-size: 9px; top: 5%; left: 6%; }
  .canvas-topline span:last-child { display: block; }
  .group-core { width: 50%; left: 25%; top: 13%; padding: 12px 14px 15px; }
  .group-core strong { font-size: clamp(21px, 5.4vw, 29px); }
  .core-label { font-size: 9px; }
  .group-core img { margin: 10px auto; width: 76%; }
  .group-node { width: 44%; padding: 12px; }
  .group-node strong { font-size: 18px; }
  .group-node small { font-size: 9px; margin-bottom: 6px; }
  .node-detail { font-size: 9px; margin-top: 6px; }
  .node-companies { top: 66%; left: -3%; }
  .node-products { top: 63%; right: -3%; }
  .node-partners { width: 48%; top: 87%; right: 2%; }
  .canvas-star { font-size: 67px; top: 22%; }
  .canvas-caption { font-size: 9px; bottom: 5%; }
  .hero-foot { font-size: 10px; padding-block: 16px; gap: 15px; align-items: start; }
  .hero-foot > span:last-child { text-align: right; max-width: 155px; }
  .role-ribbon { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 24px; padding-block: 22px; }
  .role-ribbon > span { font-size: clamp(23px, 6.5vw, 29px); gap: 12px; }
  .section-kicker { font-size: 11px; padding-bottom: 20px; margin-bottom: 28px; }
  .section-kicker > span:last-child { display: none; }
  .portfolio { padding-block: 44px; }
  .section-heading { gap: 24px; margin-bottom: 28px; }
  .section-heading > p { font-size: 16px; }
  .portfolio-toolbar { flex-direction: column; align-items: stretch; gap: 13px; padding: 0; margin-bottom: 24px; }
  .portfolio-filters { display: grid; grid-template-columns: auto auto auto auto; gap: 4px; }
  .filter-button { padding: 10px 9px; font-size: 12px; gap: 6px; justify-content: center; }
  .filter-button sup { font-size: 10px; }
  .filter-status { font-size: 11px; text-align: left; }
  .venture-grid, .venture-grid[data-active-filter="companies"], .venture-grid[data-active-filter="partners"] { grid-template-columns: 1fr; gap: 22px; }
  .venture-grid[data-active-filter="all"] .venture-card:last-child { grid-column: auto; }
  .card-art { height: 182px; min-height: 182px; }
  .card-wide .card-art { justify-content: flex-start; }
  .card-art .art-wordmark { font-size: 65px; }
  .art-mandukhai .art-wordmark { font-size: 72px; }
  .art-segsgermaa .art-wordmark { font-size: 88px; }
  .art-mongolia .art-wordmark, .art-erkhet .art-wordmark, .art-mto .art-wordmark { font-size: 59px; }
  .art-caption { font-size: 10px; bottom: 16px; }
  .art-submark { margin-top: 10px; }
  .mandukhai-arch { height: 156px; top: 26px; }
  .segsgermaa-circle { width: 142px; height: 142px; }
  .block-buildings { height: 145px; right: 20px; opacity: .4; }
  .block-buildings i { width: 38px; }
  .card-body { padding: 0 23px 20px; }
  .card-category { font-size: 11px; padding-top: 16px; margin-bottom: 13px; }
  .card-title { font-size: 30px; }
  .card-description { font-size: 16px; margin: 13px 0 22px; }
  .card-link { font-size: 13px; }
  .portfolio-note { font-size: 11px; }
  .model { padding-block: 46px 50px; }
  .model-layout { grid-template-columns: 1fr; gap: 42px; }
  .model-statement h2 { font-size: clamp(40px, 10vw, 58px); }
  .model-statement > p { margin-top: 22px; font-size: 16px; }
  .holding-stamp { margin-top: 26px; padding: 12px 24px; }
  .holding-stamp > span { font-size: 32px; }
  .model-list li { padding-block: 24px; grid-template-columns: 20px 1fr; gap: 18px; }
  .model-list h3 { font-size: 25px; }
  .model-list p { font-size: 16px; margin-top: 12px; }
  .impact { padding-block: 44px 28px; }
  .impact h2 { font-size: clamp(40px, 10vw, 58px); }
  .impact-heading { gap: 24px; }
  .impact-heading > p { font-size: 16px; }
  .principles { grid-template-columns: 1fr; gap: 28px; padding-top: 28px; margin-top: 30px; }
  .principles > div { position: relative; padding-left: 42px; }
  .principles > div > span { position: absolute; left: 0; top: 0; font-size: 26px; }
  .principles h3 { font-size: 22px; }
  .principles p { margin-top: 10px; max-width: none; }
  .history-note { margin-top: 28px; padding-top: 18px; }
  .history-note a { margin-left: 0; }
  .contact { padding-block: 44px; }
  .contact-layout { grid-template-columns: 1fr; gap: 34px; }
  .contact h2 { font-size: 48px; }
  .contact-intro { font-size: 15px; margin-top: 16px; }
  .contact-email { font-size: clamp(20px, 5.9vw, 30px); margin-top: 14px; }
  .contact-details { border-top: 1px solid var(--line); padding-top: 26px; }
  .contact-details .overline { margin-bottom: 16px; }
  .site-footer { padding-top: 34px; padding-bottom: 20px; }
  .footer-wordmark { font-size: clamp(47px, 12.8vw, 78px); padding-bottom: 28px; }
  .footer-flower { margin-left: 9px; }
  .footer-top { flex-wrap: wrap; gap: 18px; padding-block: 22px; }
  .footer-top > p { order: 3; flex-basis: 100%; max-width: none; text-align: left; font-size: 13px; }
  .footer-bottom { align-items: start; flex-direction: column-reverse; gap: 14px; padding-top: 10px; }
  .social-links { gap: 28px; }
  .footer-bottom small { font-size: 11px; }
}
@media (max-width: 359px) {
  :root { --gutter: 18px; }
  .hero h1 { font-size: 59px; }
  .hero h1 em { font-size: .9em; }
  .hero-lead { font-size: 17px; }
  .group-node { padding: 10px; }
  .group-node strong { font-size: 16px; gap: 5px; }
  .group-node small, .node-detail { font-size: 8px; }
  .group-core strong { font-size: 19px; }
  .group-core { padding-inline: 11px; }
  .node-products { top: 66%; }
  .node-partners { top: 90%; }
  .group-canvas { margin-bottom: 60px; }
  .core-label { font-size: 7px; }
  .canvas-topline { font-size: 8px; }
  .canvas-caption { font-size: 8px; }
  .canvas-star { font-size: 55px; }
  .filter-button { padding-inline: 6px; font-size: 11px; gap: 4px; }
  .filter-button sup { font-size: 9px; }
  .card-body { padding-inline: 20px; }
  .card-category { font-size: 10px; }
  .footer-wordmark { font-size: 42px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header { position: static; }
  .menu-button, .portfolio-toolbar, .group-canvas, .hero-scroll, .role-ribbon, .back-to-top, .footer-wordmark { display: none !important; }
  .hero, .model-layout, .contact-layout { display: block; }
  .hero h1 { font-size: 50px; }
  .section-shell { padding: 24px 0; }
  .portfolio, .impact, .site-footer { background: white; color: black; --muted: #333; }
  .venture-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .venture-card[hidden] { display: flex !important; }
  .card-wide { grid-column: auto; }
  .card-art { height: 100px; min-height: 100px; }
  .venture-card { break-inside: avoid; border: 1px solid #888; }
  .impact h2 em, .portfolio h2 em { color: black; }
}