/* 4ERA — site stylesheet */
@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-tr.woff2) format('woff2');unicode-range:U+011E-011F,U+0130,U+015E-015F}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/space-grotesk-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/space-grotesk-tr.woff2) format('woff2');unicode-range:U+011E-011F,U+0130,U+015E-015F}

:root{
  --ink:#252b2c;--ink-2:#35413b;--muted:#56615c;--paper:#f7f8f4;--white:#fff;--sage:#edf1ea;--sage-2:#e1e7db;
  --line:#dbe1d6;--line-2:#c4cdbd;--gold:#b7a579;--gold-ink:#7a6230;--gold-soft:#f3ecdc;--teal:#39756b;
  --night:#252b2c;--night-line:#4c5852;--night-text:#d3dbcf;
  --display:'Space Grotesk',Inter,system-ui,sans-serif;--body:Inter,system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);--radius:10px;--header:76px;
}
*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 24px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 var(--body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--display);font-weight:500;color:var(--ink);text-wrap:balance}
h1{font-size:clamp(35px,4.752vw,65px);line-height:1.06;letter-spacing:-.035em;margin:18px 0 22px}
h2{font-size:clamp(26px,2.816vw,39px);line-height:1.15;letter-spacing:-.03em;margin:12px 0 0}
h3{font-size:18px;line-height:1.35;letter-spacing:-.01em;margin:0}
p{margin:0 0 1em}
.wrap{width:min(1240px,calc(100% - 96px));margin-inline:auto}
.narrow{max-width:780px}
.lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:620px}
.muted{color:var(--muted)}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink);margin:0}
.eyebrow.on-dark{color:#d8c9a4}
.skip{position:fixed;left:16px;top:-80px;z-index:200;background:#fff;padding:12px 16px;border-radius:6px;box-shadow:0 6px 20px #0002}
.skip:focus{top:12px}
.icon{width:20px;height:20px;flex:0 0 auto;display:inline-block;vertical-align:middle}

/* buttons & links */
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:50px;padding:13px 20px;border-radius:7px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1.3;transition:transform .2s var(--ease),box-shadow .2s,background-color .2s,border-color .2s;white-space:nowrap}
.button.primary{background:var(--gold);color:var(--ink)}
.button.primary:hover{background:#c4b38a}
.button.ink{background:var(--ink);color:#fff}
.button.ink:hover{background:#000}
.button.outline{border-color:var(--line-2);background:#ffffffa6;color:var(--ink)}
.button.outline:hover{border-color:var(--ink)}
.button.small{min-height:42px;padding:9px 14px;font-size:14px}
.button.full{width:100%;justify-content:space-between}
.button[disabled]{opacity:.6;pointer-events:none}
@media(hover:hover){.button:hover{transform:translateY(-2px);box-shadow:0 10px 24px #252b2c14}}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--gold-ink);border-bottom:1px solid transparent;transition:border-color .2s}
.text-link:hover{border-color:currentColor}
.text-link.small{font-size:14px}
.text-link .icon{width:16px;height:16px}
.ghost-button{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 14px;border:1px solid var(--line);background:#fff;border-radius:7px;font-size:13px;color:var(--ink-2)}
.ghost-button.icon-only{padding:0;width:44px;justify-content:center}
.ghost-button .icon{width:16px;height:16px}

/* header */
.site-header{position:sticky;top:0;z-index:60;height:var(--header);background:#fffffff2;border-bottom:1px solid var(--line);backdrop-filter:saturate(1.4) blur(14px)}
.nav{height:100%;display:flex;align-items:center;gap:28px}
.logo{display:inline-flex;flex-direction:column;align-items:stretch;flex-shrink:0;line-height:1}
.logo img{display:block;height:34px;width:auto}
.logo-tagline{display:block;margin-top:6px;font:400 10.5px/1 var(--body);letter-spacing:.16em;color:var(--ink-2);white-space:nowrap;text-align:center}
.footer-brand .logo img{height:44px}
.footer-brand .logo-tagline{font-size:13px;margin-top:9px}
#navigation{margin-left:auto;display:flex;align-items:center;gap:26px}
#navigation a{font-size:14px;color:var(--muted);padding:6px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
#navigation a:hover,#navigation a[aria-current=page]{color:var(--ink);border-color:var(--gold)}
#navigation .lang-switch{font-size:12px;font-weight:600;letter-spacing:.08em;border:1px solid var(--line);border-radius:5px;padding:4px 8px}
#navigation .lang-switch:hover{border-color:var(--ink)}
.nav-cta{min-height:46px;padding:11px 16px;font-size:14px}
.nav-cta .icon{width:18px;height:18px}
.cta-mobile{display:none}
.menu{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:7px;background:#fff;align-items:center;justify-content:center}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1fr 1.05fr;gap:24px;min-height:min(600px,calc(100vh - var(--header)))}
.hero-copy{padding:56px 0 48px;align-self:center}
.hero-copy h1 span{color:var(--gold-ink)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.chain .icon{width:16px;height:16px;color:var(--gold-ink)}
.hero-copy>*{animation:rise .7s var(--ease) both}
.hero-copy>:nth-child(2){animation-delay:.05s}.hero-copy>:nth-child(3){animation-delay:.1s}.hero-copy>:nth-child(4){animation-delay:.15s}.hero-copy>:nth-child(5){animation-delay:.2s}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.network-panel{position:relative;min-height:520px;margin-right:-48px}
.network-panel canvas{position:absolute;inset:0;width:100%;height:100%}
.panel-top{position:absolute;top:28px;left:24px;right:72px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-title{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.round-button{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-2);background:#fffffff0;display:grid;place-items:center;color:var(--ink)}
.round-button .icon{width:18px;height:18px}
.round-button .i-play,[aria-pressed=true]>.i-pause{display:none}
[aria-pressed=true]>.i-play{display:inline-block}
.panel-card{position:absolute;left:24px;right:72px;bottom:44px;background:#fffffff5;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:0 18px 40px #252b2c0d}
.panel-card p{margin:12px 2px 0;font-size:14px;line-height:1.55;color:var(--ink-2);min-height:2.6em}
.panel-note{position:absolute;left:24px;bottom:14px;font-size:12px;color:var(--muted)}
.segmented{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:8px;background:var(--paper)}
.segmented button{border:0;background:transparent;border-radius:5px;padding:9px 14px;min-height:40px;font-size:14px;font-weight:500;color:var(--muted)}
.segmented button[aria-pressed=true]{background:var(--ink);color:#fff}
.segmented.on-dark{background:transparent;border-color:var(--night-line)}
.segmented.on-dark button{color:var(--night-text)}
.segmented.on-dark button[aria-pressed=true]{background:#d8c9a4;color:var(--ink)}

/* proof */
.proof{background:var(--white);border-bottom:1px solid var(--line)}
.proof-inner{display:flex;flex-wrap:wrap;align-items:center;gap:24px 56px;padding:28px 0}
.stat strong{display:block;font:500 32px/1.1 var(--display);letter-spacing:-.02em}
.stat span{font-size:14px;color:var(--muted)}
.clients{margin-left:auto}
.clients ul,.client-list{list-style:none;padding:0;margin:8px 0 0;display:flex;flex-wrap:wrap;gap:8px 20px;font-weight:600;color:var(--ink-2)}

/* sections */
.section{padding:80px 0}
.section.tight{padding:44px 0}
.section.tinted,.tinted{background:var(--sage);border-block:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:48px;margin-bottom:36px}
.section-head>p{font-size:15px;line-height:1.8;color:var(--muted);margin:0;max-width:540px}

.audience{background:var(--white);border-bottom:1px solid var(--line)}
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.audience-card{border-top:2px solid var(--gold);padding-top:22px}
.audience-card .index{font:500 14px var(--display);color:var(--gold-ink)}
.audience-card h3{font-size:20px;margin:14px 0 12px}
.audience-card p{color:var(--muted);margin:0}

.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.service-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s}
.service-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px #252b2c10}
.service-card:focus-within{outline:3px solid var(--teal);outline-offset:3px}
.visual{position:relative;height:260px;overflow:hidden}
.visual.dark{background:var(--night)}
.visual.light{background:var(--sage);display:grid;place-items:center;padding:12px 24px}
.visual canvas{display:block;width:100%;height:100%}
.visual .diagram{width:100%;height:100%}
.visual-caption{position:absolute;left:16px;right:16px;bottom:14px;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12px;color:#e3e9de;pointer-events:none}
.visual-caption>span{background:#1e2425d9;padding:4px 9px;border-radius:5px}
.heat-legend{display:flex;align-items:center;gap:8px}
.heat-legend i{display:block;width:56px;height:4px;border-radius:2px;background:linear-gradient(90deg,#8a754b,#9ee38b,#f5be47,#e87158)}
.service-body{display:flex;flex-direction:column;flex:1;padding:26px 28px 24px}
.service-body h3{font-size:22px}
.service-body p{color:var(--muted);margin:12px 0 18px}
.stretched:after{content:'';position:absolute;inset:0;z-index:1}
.stretched:focus-visible{outline:none}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:0 0 20px}
.tags li{font-size:13px;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:5px 10px}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--gold-ink)}
.card-link .icon{width:16px;height:16px;transition:transform .2s}
.service-card:hover .card-link .icon,.article-card:hover .card-link .icon,.service-row:hover .card-link .icon{transform:translate(2px,-2px)}

.types-section{background:var(--sage);border-block:1px solid var(--line)}
.types{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.type{background:#fff;padding:24px 22px}
.type h3{font-size:17px;margin-bottom:8px}
.type p{font-size:14px;line-height:1.65;color:var(--muted);margin:0}

/* scenario comparison */
.model-section{background:var(--night);color:#fff;padding:80px 0 48px}
.model-section h2{color:#fff}
.model-section .section-head>p{color:var(--night-text)}
.comparison{--split:50%;position:relative;height:360px;border:1px solid var(--night-line);border-radius:var(--radius);overflow:hidden;isolation:isolate}
.scenario-base,.scenario-after{position:absolute;inset:0}
.scenario-after{clip-path:inset(0 0 0 var(--split))}
.comparison canvas{display:block;width:100%;height:100%}
.scenario-tag{position:absolute;top:16px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;background:#1e2425e6;padding:6px 10px;border-radius:5px;pointer-events:none;z-index:2}
.scenario-tag span{font-weight:400;color:var(--night-text)}
.scenario-tag i,.metric i{display:inline-block;width:8px;height:8px;border-radius:50%}
.scenario-tag.a{left:16px}.scenario-tag.b{right:16px}
.scenario-tag.a i,.metric-a i{background:#eea46d}.scenario-tag.b i,.metric-b i{background:#70d9b6}
.scenario-tag[hidden]{display:none}
.divider{position:absolute;top:0;bottom:0;left:var(--split);width:2px;margin-left:-1px;background:#e0d6bf;pointer-events:none;z-index:2}
.divider span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;width:52px;height:40px;justify-content:center;background:var(--paper);color:var(--ink);border-radius:20px;box-shadow:0 4px 20px #0005}
.divider .icon{width:15px;height:15px}
.comparison input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:3;touch-action:pan-y}
.comparison:has(input:focus-visible){outline:3px solid var(--gold);outline-offset:4px}
.slider-hint{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);font-size:12px;background:#1e2425e6;color:var(--night-text);padding:5px 10px;border-radius:5px;pointer-events:none;z-index:2;white-space:nowrap}
.scenario-summary{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:28px 0;border-bottom:1px solid var(--night-line)}
.metrics{display:grid;gap:6px;min-width:min(560px,100%)}
.metric{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px;align-items:baseline;font-size:14px;color:var(--night-text)}
.metric.head{font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding-bottom:6px;border-bottom:1px solid var(--night-line)}
.metric.head span{display:flex;align-items:center;gap:8px}
.metric b{font:500 23px/1.2 var(--display);color:#fff}
.metric .metric-b b{color:#b6e6cd}
.model-note{margin:18px 0 0;font-size:13px;color:var(--night-text);max-width:760px}

/* approach */
.steps{list-style:none;padding:28px 0 0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative}
.steps:before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--gold),var(--line));transform-origin:left;transition:transform 1s var(--ease)}
.steps.pending:before{transform:scaleX(0)}
.step-no{font:500 14px var(--display);color:var(--gold-ink)}
.steps h3{font-size:19px;margin:14px 0 10px}
.steps p{font-size:15px;color:var(--muted);margin:0}
.principles{margin-top:72px;padding-top:40px;border-top:1px solid var(--line)}
.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:20px}
.principle h3{font-size:17px;margin-bottom:8px}
.principle p{font-size:15px;color:var(--muted);margin:0}

/* guide */
.guide{background:var(--white);border-top:1px solid var(--line)}
.guide-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:72px;align-items:center}
.guide-inner .lead{margin:18px 0 24px}
.guide-card{background:var(--sage);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.guide-card h3{font-size:18px;margin-bottom:16px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.check-list li{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;line-height:1.6}
.check-list .icon{width:20px;height:20px;color:var(--teal);margin-top:2px}
.check-list.muted li{color:var(--ink-2)}

/* faq */
.faq-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:64px;align-items:start}
.faq-grid .section-head{grid-template-columns:1fr;margin-bottom:20px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;cursor:pointer;font:500 16px/1.45 var(--display);color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{width:20px;height:20px;color:var(--gold-ink);transition:transform .25s var(--ease)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 40px 20px 0;color:var(--muted)}
.faq-answer p{margin:0}

/* cta band */
.cta-band{background:var(--sage);border-top:1px solid var(--line)}
.cta-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:center;padding:64px 0}
.cta-inner h2{font-size:clamp(28px,3.168vw,44px)}
.cta-inner h2 span{color:var(--gold-ink)}
.cta-inner p{color:var(--muted);margin:18px 0 0;max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-actions .button{justify-content:space-between}

/* page hero & docs */
.page-hero{background:var(--sage);border-bottom:1px solid var(--line);padding:28px 0 56px}
.page-hero h1{font-size:clamp(33px,4.048vw,56px);max-width:900px}
.page-hero .lead{max-width:720px}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px 10px;padding:0;margin:0 0 28px;font-size:14px;color:var(--muted)}
.breadcrumb li+li:before{content:'/';margin-right:10px;color:var(--line-2)}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.service-hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.hero-diagram{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.diagram{display:block;width:100%;height:auto}
.diagram text{font-family:var(--body)}
.d-label{font-size:12px;fill:var(--ink-2)}
.d-sub{font-size:11px;fill:var(--muted)}
.d-strong{font-size:13px;font-weight:600;fill:var(--ink)}
.d-axis{stroke:var(--line-2);stroke-width:1.2}
.d-line{stroke:var(--gold-ink);stroke-width:1.5;fill:none}
.d-dash{stroke:#fff;stroke-width:2;stroke-dasharray:8 8;fill:none}
.d-flow{stroke:var(--ink-2);stroke-width:3;fill:none;stroke-linecap:round;marker-end:none}
.d-flow.gold{stroke:var(--gold)}.d-flow.sage{stroke:#7f9a85}

.doc-layout{display:grid;grid-template-columns:240px 1fr;gap:56px;padding:56px 0 72px}
.doc-aside .sticky{position:sticky;top:calc(var(--header) + 32px)}
.toc{list-style:none;padding:0;margin:14px 0 28px;border-left:1px solid var(--line)}
.toc a{display:block;padding:7px 0 7px 16px;margin-left:-1px;border-left:2px solid transparent;font-size:14px;color:var(--muted)}
.toc a:hover,.toc a.active{color:var(--ink);border-color:var(--gold)}
.aside-cta{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.aside-cta p{font-size:14px;color:var(--ink-2)}
.aside-cta .button{width:100%;justify-content:space-between}
.doc-main{min-width:0;max-width:780px}
.doc-section{padding-bottom:56px;margin-bottom:56px;border-bottom:1px solid var(--line)}
.doc-section:last-child{border-bottom:0;margin-bottom:0}
.doc-section h2{margin-bottom:22px;font-size:clamp(25px,2.464vw,33px)}
.doc-section p{color:var(--ink-2);font-size:15px;line-height:1.85}
.bullet-list{padding-left:20px;margin:18px 0 0;display:grid;gap:10px;color:var(--ink-2)}
.bullet-list li::marker{color:var(--gold)}
.question-list{list-style:none;counter-reset:q;padding:0;margin:0}
.question-list li{counter-increment:q;display:grid;grid-template-columns:40px 1fr;gap:8px;padding:16px 0;border-top:1px solid var(--line);font-size:15px}
.question-list li:before{content:counter(q,decimal-leading-zero);font:500 14px/1.9 var(--display);color:var(--gold-ink)}
.timeline{list-style:none;padding:0;margin:0;position:relative}
.timeline:before{content:'';position:absolute;left:19px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--gold),var(--line))}
.timeline li{position:relative;display:grid;grid-template-columns:40px 1fr;gap:20px;padding:0 0 28px}
.timeline .step-no{position:relative;z-index:1;width:40px;height:40px;border-radius:50%;background:var(--paper);border:1.5px solid var(--gold);display:grid;place-items:center}
.timeline h3{font-size:18px;margin:6px 0 8px}
.timeline p{font-size:16px;margin:0;color:var(--muted)}
.note{font-size:14px!important;color:var(--muted)!important;background:var(--sage);border-left:3px solid var(--gold);padding:14px 16px;margin-top:24px;border-radius:0 6px 6px 0}
.mini-articles{display:grid;gap:12px;margin-top:16px}
.mini-articles a{display:block;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px 18px;transition:border-color .2s}
.mini-articles a:hover{border-color:var(--gold)}
.mini-articles span{display:block;font-size:12px;color:var(--gold-ink);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.mini-articles strong{font:500 15px/1.45 var(--display)}
.next-link{border-top:1px solid var(--line);background:#fff}
.next-link .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:32px 0}
.next-link span{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.next-link a{display:inline-flex;align-items:center;gap:12px;font:500 21px var(--display)}

.service-rows{display:grid;gap:24px}
.service-row{position:relative;display:grid;grid-template-columns:380px 1fr;gap:48px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.service-row h2{font-size:28px;margin:8px 0 12px}
.service-row p{color:var(--muted)}
.service-row-visual{background:var(--sage);border-radius:8px;padding:12px}

/* about */
.two-col{display:grid;grid-template-columns:1fr 1.6fr;gap:64px}
.two-col h2{margin-top:0}
.prose{font-size:15px;line-height:1.85;color:var(--ink-2)}
.prose h2{font-size:clamp(21px,2.112vw,28px);margin:36px 0 12px}
.prose h3{font-size:18px;margin:32px 0 10px}
.prose ul,.prose ol{padding-left:22px;display:grid;gap:8px;margin:0 0 1.2em}
.prose li::marker{color:var(--gold-ink)}
.prose a{color:var(--gold-ink);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.table-wrap{overflow-x:auto;margin:20px 0 28px;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:15px;background:#fff}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line)}
th{background:var(--sage);font-weight:600}
tr:last-child td{border-bottom:0}
.article-note{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:32px}
.discipline-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.discipline{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.discipline h3{font-size:19px;margin-bottom:10px}
.discipline p{color:var(--muted);margin:0}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mv-card{border-top:2px solid var(--gold);padding-top:24px}
.mv-text{font:400 clamp(19px,1.936vw,25px)/1.45 var(--display);letter-spacing:-.01em;margin-top:14px;color:var(--ink)}
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:28px}
.member img,.avatar{display:block;width:100%;aspect-ratio:8/9.5;object-fit:cover;border-radius:var(--radius);background:var(--sage-2)}
.avatar{display:grid;place-items:center;font:500 42px var(--display);color:var(--gold-ink)}
.member h3{margin:16px 0 4px}
.member .role{font-size:14px;color:var(--gold-ink);font-weight:600;margin-bottom:8px}
.member p{font-size:15px;color:var(--muted)}

/* knowledge base */
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.article-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .25s var(--ease),box-shadow .25s}
.article-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px #252b2c0e}
.article-card h2{font-size:21px;margin:12px 0 12px}
.article-card p{color:var(--muted)}
.article-hero{padding-bottom:56px}
.article-hero h1{font-size:clamp(30px,3.52vw,46px)}
.article-body>p:first-child{font-size:17px;color:var(--ink)}
.article-cta{background:var(--sage);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin:48px 0;display:flex;justify-content:space-between;align-items:center;gap:24px}
.article-cta h2{font-size:19px;margin:0}
.related-title{margin-top:40px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:56px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.contact-aside{display:grid;gap:28px;position:sticky;top:calc(var(--header) + 32px)}
.info-block h2{font:600 12px var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink);margin:0 0 12px}
.info-block address{font-style:normal;color:var(--ink-2);margin-bottom:8px}
.info-block p{color:var(--ink-2);margin:0}
.contact-links,.footer-contact{display:grid;gap:10px}
.contact-links a,.footer-contact a{display:inline-flex;align-items:center;gap:10px;width:fit-content;font-weight:500}
.contact-links a:hover span,.footer-contact a:hover span{text-decoration:underline;text-underline-offset:4px}
.contact-links .icon,.footer-contact .icon{color:var(--gold-ink)}
.next-steps{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.next-steps li{display:grid;grid-template-columns:32px 1fr;color:var(--ink-2);font-size:15px}

/* form */
.project-form fieldset{border:0;padding:0;margin:0 0 26px}
.project-form legend{font-weight:600;font-size:15px;margin-bottom:12px;padding:0}
.project-form label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:20px}
.req{color:#a24b2a}
.options{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.options .wide{grid-column:1/-1}
.option,.pill{position:relative;margin:0!important}
.option input,.pill input{position:absolute;opacity:0;inset:0;margin:0}
.option span{display:flex;align-items:center;min-height:50px;padding:12px 14px;border:1px solid var(--line-2);border-radius:7px;font-weight:500;font-size:14px;cursor:pointer;transition:border-color .2s,background .2s}
.option input:checked+span{border-color:var(--gold-ink);background:var(--gold-soft);box-shadow:inset 3px 0 var(--gold-ink)}
.option input:focus-visible+span,.pill input:focus-visible+span{outline:3px solid var(--teal);outline-offset:2px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill span{display:inline-flex;align-items:center;min-height:42px;padding:8px 14px;border:1px solid var(--line-2);border-radius:21px;font-weight:500;font-size:14px;cursor:pointer}
.pill input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.project-form input:not([type=radio]):not([type=checkbox]):not([type=file]),.project-form select,.project-form textarea{display:block;width:100%;margin-top:8px;padding:12px 14px;border:1px solid var(--line-2);border-radius:7px;background:var(--paper);font-size:16px;font-weight:400;transition:border-color .2s,background .2s}
.project-form input:focus,.project-form select:focus,.project-form textarea:focus{background:#fff;border-color:var(--ink)}
.project-form textarea{resize:vertical;min-height:130px}
.project-form ::placeholder{color:#76807a}
.project-form [aria-invalid=true]{border-color:#a24b2a!important;background:#fdf6f3!important}
.file-field input{display:block;margin-top:8px;font-size:14px;font-weight:400;max-width:100%}
.file-field small{display:block;margin-top:6px;font-weight:400;color:var(--muted);font-size:13px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent{display:grid!important;grid-template-columns:22px 1fr;gap:10px;align-items:start;font-weight:400!important;color:var(--ink-2)!important}
.consent input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--ink)}
.consent a{color:var(--gold-ink);text-decoration:underline;text-underline-offset:3px}
.cf-turnstile{margin-bottom:20px}
.form-status{margin-top:16px;font-size:15px}
.form-status.ok{color:var(--teal);font-weight:600}
.form-status.err{color:#8a3b1f}
.fallback{margin-top:14px}
.fallback textarea{width:100%;font-size:14px;padding:12px;border:1px solid var(--line-2);border-radius:7px;background:var(--paper)}
.fallback-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}

/* footer */
.site-footer{background:#fff;border-top:1px solid var(--line)}
.footer-top{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 48px}
.footer-brand p{color:var(--muted);margin-top:16px}
.footer-title{font:600 12px var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink);margin:0 0 16px}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:15px}
.footer-list a{color:var(--ink-2)}
.footer-list a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.site-footer address{font-style:normal;font-size:14px;color:var(--muted);margin:16px 0 6px;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:20px 0 28px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.footer-actions{display:flex;gap:8px}

.not-found{min-height:60vh}
.link-list{list-style:none;padding:0;margin:24px 0;display:flex;flex-wrap:wrap;gap:10px}
.link-list a{display:inline-block;border:1px solid var(--line-2);border-radius:20px;padding:8px 16px;background:#fff}
.link-list a:hover{border-color:var(--ink)}

/* case studies */
.cases{display:grid;gap:32px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;display:grid;grid-template-columns:1fr 1.6fr;gap:48px}
.case h2{font-size:26px;margin:0 0 20px}
.case-meta{display:grid;gap:10px;margin:0}
.case-meta dt{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.case-meta dd{margin:0;font-weight:600}
.case-body h3{font-size:16px;font-family:var(--body);font-weight:600;color:var(--gold-ink);margin:20px 0 6px}
.case-body h3:first-child{margin-top:0}
.case-body p{color:var(--ink-2)}

/* reveal */
.reveal{transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.pending{opacity:0;transform:translateY(18px)}
.motion-paused .reveal{opacity:1!important;transform:none!important;transition:none}
.motion-paused .hero-copy>*{animation:none}

/* responsive */
@media(max-width:1180px){
  .wrap{width:calc(100% - 64px)}
  #navigation{gap:18px}
  .nav{gap:20px}
  .types{grid-template-columns:repeat(2,1fr)}
  .principle-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .doc-layout{grid-template-columns:200px 1fr;gap:48px}
}
@media(max-width:980px){
  :root{--header:72px}
  .menu{display:inline-flex;flex-shrink:0}
  .nav{gap:12px}
  .nav-cta{margin-left:auto}
  #navigation{position:absolute;top:var(--header);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px 32px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px #252b2c12;visibility:hidden;opacity:0;transform:translateY(-6px);transition:opacity .2s,transform .2s,visibility .2s}
  #navigation.open{visibility:visible;opacity:1;transform:none}
  #navigation a{font-size:15px;padding:14px 0;border-bottom:1px solid var(--line)}
  #navigation a[aria-current=page]{border-bottom-color:var(--line);color:var(--gold-ink)}
  #navigation .lang-switch{align-self:flex-start;margin-top:14px;border:1px solid var(--line)}
  .hero-inner{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding:48px 0 8px}
  .network-panel{min-height:440px;margin:0 -32px}
  .panel-top,.panel-card{right:24px}
  .section-head{grid-template-columns:1fr;gap:18px}
  .audience-grid,.discipline-grid{grid-template-columns:1fr}
  .service-grid,.article-grid{grid-template-columns:1fr}
  .scenario-summary{flex-direction:column;align-items:stretch}
  .steps{grid-template-columns:1fr 1fr}
  .guide-inner,.faq-grid,.cta-inner,.two-col,.mv-grid,.contact-grid,.service-hero-grid,.case{grid-template-columns:1fr;gap:40px}
  .contact-aside{position:static}
  .doc-layout{grid-template-columns:1fr;gap:0;padding-top:40px}
  .doc-aside{display:none}
  .service-row{grid-template-columns:1fr;gap:24px}
  .section{padding:64px 0}
}
@media(max-width:640px){
  .wrap{width:calc(100% - 40px)}
  body{font-size:15px}
  .logo img{height:28px}
  .logo-tagline{font-size:9px;letter-spacing:.12em;margin-top:5px}
  .cta-desktop{display:none}
  .cta-mobile{display:inline}
  .nav-cta{min-height:44px;padding:10px 12px;font-size:13px;gap:8px}
  #navigation{padding:4px 20px 18px}
  .lead{font-size:15px}
  .hero-copy{padding-top:36px}
  .hero-actions{display:grid}
  .hero-actions .button{justify-content:space-between}
  .chain{font-size:11px;gap:6px}
  .network-panel{min-height:400px;margin:0 -20px}
  .panel-top{left:20px;right:20px;top:20px}
  .panel-card{left:16px;right:16px;bottom:40px;padding:14px}
  .segmented{display:flex}
  .segmented button{flex:1;padding:9px 8px}
  .panel-note{left:20px}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .types{grid-template-columns:1fr}
  .steps,.principle-grid{grid-template-columns:1fr}
  .steps{padding:0 0 0 24px;gap:28px}
  .steps:before{right:auto;bottom:0;width:2px;height:auto;background:linear-gradient(var(--gold),var(--line));transform-origin:top}
  .steps.pending:before{transform:scaleY(0)}
  .visual{height:230px}
  .service-body{padding:22px}
  .model-section{padding:72px 0 48px}
  .comparison{height:280px}
  .scenario-tag span{display:none}
  .metric{grid-template-columns:1.2fr 1fr 1fr;gap:10px;font-size:13px}
  .metric b{font-size:18px}
  .segmented.on-dark{width:100%}
  .guide-card,.form-card{padding:22px}
  .options,.form-row{grid-template-columns:1fr;gap:0 16px}
  .options{gap:8px}
  .cta-inner{padding:48px 0}
  .footer-top{grid-template-columns:1fr;gap:32px;padding-top:48px}
  .page-hero{padding:20px 0 40px}
  .breadcrumb ol{margin-bottom:28px}
  .article-cta{flex-direction:column;align-items:flex-start}
  .next-link .wrap{flex-direction:column;align-items:flex-start}
  .faq-answer{padding-right:0}
  .case{padding:24px}
  .service-row{padding:20px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
  .reveal.pending{opacity:1;transform:none}
}
@media print{
  .site-header,.site-footer,.cta-band,.doc-aside,.network-panel{display:none}
  body{background:#fff}
}
.doc-section .eyebrow{font-size:12px;line-height:1.6;color:var(--gold-ink);margin:0}
.cta-actions .button.outline{justify-content:flex-start}

/* multimodal scenes */
:root{--m-walk:#3f7f73;--m-bike:#7a9a4a;--m-micro:#c27445;--m-transit:#a8883f;--m-car:#5b666c}
.m-walk{background:var(--m-walk)}.m-bike{background:var(--m-bike)}.m-micro{background:var(--m-micro)}.m-transit{background:var(--m-transit)}.m-car{background:var(--m-car)}
.mode-legend{list-style:none;display:flex;flex-wrap:wrap;gap:6px 14px;padding:0;margin:10px 0 0;font-size:12px;color:var(--ink-2)}
.mode-legend li{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.mode-legend i{display:inline-block;width:8px;height:8px;border-radius:50%}
.mode-legend b{font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;min-width:2.4em}
.mode-legend.compact{margin:0;gap:4px 12px}
.share{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.share-title{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.share-bar{display:flex;height:8px;border-radius:4px;overflow:hidden;margin-top:8px;background:var(--sage-2)}
.share-bar i{display:block;height:100%;width:20%;transition:width .8s var(--ease)}
.sim-clock{margin-left:auto;display:flex;align-items:baseline;gap:8px;color:var(--ink)}
.sim-clock b{font:500 21px/1 var(--display);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.sim-clock small{font-size:12px;color:var(--muted)}
.panel-top{gap:16px}
.panel-card p{min-height:0;margin-top:10px}
.network-panel{min-height:600px}
.visual.scene{background:#f3f5ef;height:280px}
.scene-caption{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;padding:12px 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fbfcf9;font-size:13px;font-weight:600;color:var(--ink-2)}
.hero-scene{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.hero-scene .visual{height:330px}
.hero-scene .scene-caption{border-bottom:0;padding:12px 18px}
@media(max-width:640px){
  .network-panel{min-height:560px}
  .sim-clock b{font-size:18px}
  .scene-caption{padding:10px 20px}
  .visual.scene{height:240px}
  .hero-scene .visual{height:260px}
}

/* Editorial diagram: data and expertise inform four connected objectives. */
.vision-section{background:var(--paper)}
.vision-intro{max-width:740px;margin:16px 0 28px;color:var(--muted);font-size:16px;line-height:1.8}
.vision-diagram{border:1px solid var(--line-2);background:#fff;padding:48px;border-radius:2px}
.vision-process{display:grid;grid-template-columns:1fr 64px 1.35fr;align-items:center;gap:28px}
.vision-label{display:block;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.vision-process h3{font-size:clamp(21px,2.024vw,28px);line-height:1.2}
.vision-process p{font-size:15px;line-height:1.8;color:var(--muted);margin:16px 0 0;max-width:430px}
.vision-process-arrow{display:flex;justify-content:center;color:var(--gold-ink)}
.vision-process-arrow .icon{width:42px;height:42px;stroke-width:1}
.vision-assessment{border-left:3px solid var(--gold);padding:24px 28px;background:var(--sage)}
.vision-connector{height:36px;width:1px;background:var(--line-2);margin:0 auto}
.vision-target-label{display:flex;align-items:center;gap:20px;text-align:center;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 28px}
.vision-target-label:before,.vision-target-label:after{content:"";height:1px;flex:1;background:var(--line-2)}
.vision-pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.vision-pillar{padding-top:20px;border-top:2px solid var(--gold)}
.vision-pillar:nth-child(2){border-color:var(--teal)}
.vision-pillar:nth-child(3){border-color:#7a8b70}
.vision-pillar:nth-child(4){border-color:var(--ink-2)}
.vision-number{display:block;font:400 32px/1 var(--display);color:var(--line-2);margin-bottom:20px;letter-spacing:-.04em}
.vision-pillar h3{font-size:17px;line-height:1.4}
.vision-pillar p{color:var(--muted);font-size:14px;line-height:1.8;margin:14px 0 0}
@media(max-width:1000px){.vision-diagram{padding:32px}.vision-pillars{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.vision-process{grid-template-columns:1fr 40px 1.2fr;gap:16px}}
@media(max-width:600px){.vision-diagram{padding:24px}.vision-process{grid-template-columns:1fr;gap:20px}.vision-process-arrow{justify-content:flex-start}.vision-process-arrow .icon{transform:rotate(90deg);width:28px;height:28px}.vision-assessment{padding:20px}.vision-pillars{grid-template-columns:1fr;gap:28px}.vision-intro{font-size:16px}.vision-target-label{line-height:1.7;gap:12px}.vision-number{font-size:25px;margin-bottom:12px}.vision-process h3{font-size:22px}}

/* Brand signature: keep the complete slogan aligned to the wordmark. */
.logo{width:170px}
.logo img{width:100%;height:auto}
.logo-tagline{font-size:7.5px;letter-spacing:.045em;margin-top:6px}
.footer-brand .logo{width:220px}
.footer-brand .logo img{height:auto}
.footer-brand .logo-tagline{font-size:9.7px;letter-spacing:.045em;margin-top:9px}
.brand-film{display:block;width:100%;max-width:800px;height:auto;aspect-ratio:900/460;margin:auto;background:transparent;border:0;border-radius:0;filter:brightness(1.03);mix-blend-mode:multiply}
@media(max-width:600px){
  .logo{width:148px}
  .logo img{height:auto}
  .logo-tagline{font-size:6.5px;letter-spacing:.04em;margin-top:5px}
}

@media(max-width:380px){
  .site-header .nav-cta{display:none}
  .site-header .menu{margin-left:auto;flex-shrink:0}
}

/* About introduction: copy and animated signature share the same background. */
.about-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;align-items:center}
.about-hero-copy h1{font-size:clamp(32px,2.992vw,49px);max-width:none}
.about-hero-copy .lead{margin-bottom:0}
.about-brand{min-width:0;background:var(--sage);isolation:isolate;scroll-margin-top:calc(var(--header) + 24px)}
@media(max-width:980px){
  .about-hero-grid{grid-template-columns:1fr;gap:24px}
  .about-brand{width:100%;max-width:600px;margin-inline:auto}
}