/* ATPCarbon / editorial product system. Local assets only. */
:root{--bg:#080b0c;--surface:#101719;--text:#eef3f5;--muted:#a4b0b5;--line:#2b383c;--accent:#20ef9c;--paper:#e8e4d7;--ink:#11191c;--paper-muted:#48565a;--max:1280px;--gutter:clamp(22px,5.2vw,84px);--sans:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--mono:'SFMono-Regular',Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;line-height:1.06;letter-spacing:-.045em}em{font-style:normal;color:var(--accent)}button{cursor:pointer}section,aside,footer{padding-inline:var(--gutter)}section>*,aside>*,footer>*{max-width:var(--max);margin-inline:auto}section[id]{scroll-margin-top:90px}::selection{background:var(--accent);color:var(--ink)}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.skip{position:fixed;top:10px;left:15px;background:var(--accent);color:var(--ink);padding:10px;z-index:200;transform:translateY(-160%)}.skip:focus{transform:none}
.header{height:84px;padding:0 var(--gutter);display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:20}.brand{display:inline-flex;align-items:center;gap:12px;font-size:21px;font-weight:650;letter-spacing:-.04em;white-space:nowrap}.brand img{width:32px;height:32px;object-fit:contain}.header nav{display:flex;gap:26px;margin-left:auto}.header nav a{font-size:13px;color:var(--muted);padding:12px 0}.header nav a:hover{color:var(--text)}.languages{display:flex;gap:0}.languages a{font:11px var(--mono);display:grid;place-items:center;min-height:44px;min-width:44px;color:var(--muted)}.languages a[aria-current]{color:var(--accent);text-decoration:underline;text-underline-offset:6px}.header-cta{font-size:13px;min-height:44px;display:flex;align-items:center;gap:15px}.menu{display:none;width:44px;height:44px;background:none;border:1px solid var(--line);color:var(--text);font-size:20px}
.hero{padding-block:55px 58px;background-image:linear-gradient(90deg,transparent 49.9%,#ffffff04 50%,transparent 50.1%);border-bottom:1px solid var(--line)}.parent{display:block;color:var(--muted);font-size:12px;margin-bottom:54px}.eyebrow{text-transform:uppercase;font:10px/1.6 var(--mono);letter-spacing:.12em;color:var(--muted);margin-bottom:24px}.hero>.eyebrow{color:var(--accent)}h1{font-size:clamp(46px,6.8vw,100px);max-width:1280px;line-height:1.01;letter-spacing:-.058em;text-wrap:balance}.hero-description{font-size:clamp(17px,1.5vw,21px);max-width:820px;margin-top:29px;margin-left:0;color:var(--muted);line-height:1.65}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:34px}.button{min-height:50px;padding:13px 22px;display:inline-flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid var(--accent);border-radius:0;font-size:13px;font-weight:600;text-align:left;transition:background .15s}.button.primary{background:var(--accent);color:#072016}.button.secondary{border-color:var(--line);color:var(--text);background:transparent}.button.primary:hover{background:#7af9c5}.button.secondary:hover{border-color:var(--accent)}.button:disabled{cursor:not-allowed;opacity:.55}.principles{display:flex;gap:36px;margin-top:57px;border-top:1px solid var(--line);padding-top:23px;font:10px var(--mono);letter-spacing:.03em;color:var(--muted)}.principles span{display:flex;align-items:center;gap:10px}.principles i,.dot{height:5px;width:5px;background:var(--accent);display:inline-block}.detail-hero .small{margin-top:35px}
.solutions-section{padding-block:100px}.section-heading{margin-bottom:46px}.section-heading h2{font-size:clamp(34px,4.5vw,62px);max-width:850px}.section-heading>p:last-child:not(.eyebrow){max-width:660px;color:var(--muted);margin:22px 0 0}.solutions-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.solution{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:35px 38px 34px;display:flex;flex-direction:column;align-items:start;min-height:325px;transition:background .15s}.solution:hover{background:var(--surface)}.solution-top{display:flex;gap:24px;font:10px var(--mono);letter-spacing:.03em;color:var(--accent);margin-bottom:26px}.solution-top span:first-child{color:var(--muted)}.solution h3{font-size:29px;max-width:470px;line-height:1.18}.solution>p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:18px;max-width:490px}.text-link{font-size:12px;display:inline-flex;align-items:center;gap:25px;min-height:44px;text-decoration:underline;text-underline-offset:5px}.solution>.text-link{margin-top:auto;padding-top:20px}.solution>p.small{font-size:10px;margin-top:2px}.method-section{padding-block:94px 102px;background:var(--paper);color:var(--ink)}.method-section .eyebrow,.method-section .section-heading>p:last-child{color:var(--paper-muted)}.process{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #a6aea9;margin-block:50px 0}.process li{border-right:1px solid #a6aea9;padding:28px 28px 0 0;margin-right:28px}.process li:last-child{border:0;margin-right:0}.process li>span{font:10px var(--mono);color:var(--paper-muted)}.process h3{font-size:27px;margin-top:25px}.process p{font-size:13px;color:var(--paper-muted);margin-top:16px;line-height:1.85}.evidence{padding-block:94px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:80px}.two-col h2{font-size:clamp(31px,3.7vw,52px)}.two-col p{color:var(--muted);font-size:16px}.tags{list-style:none;padding:0;margin-top:27px;display:flex;flex-wrap:wrap;gap:8px}.tags li{border:1px solid var(--line);padding:7px 10px;font:10px/1.5 var(--mono);color:var(--muted)}.expert{padding-block:36px;border-block:1px solid var(--line);display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:42px;align-items:center;background:var(--surface)}.expert .eyebrow{margin-bottom:12px}.expert h3{font-size:30px}.expert>p{font-size:13px;color:var(--muted)}.expert>a{justify-self:end}.contact-section{padding-block:100px;display:grid;grid-template-columns:1fr 1fr;gap:80px}.contact-section>div>h2{font-size:clamp(35px,4vw,57px)}.contact-section>div>p:not(.eyebrow){color:var(--muted);margin-top:25px}.contact-section>div>.button{margin-top:28px}.small{font-size:12px;line-height:1.8;color:var(--muted)}.contact-section>div>.small{max-width:470px;margin-top:35px}.lead-form{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:18px 16px;align-content:start;padding:30px;border:1px solid var(--line);width:100%;min-width:0}.lead-form h3{font-size:25px;grid-column:1/-1}.full{grid-column:1/-1}.lead-form label:not(.consent){display:flex;flex-direction:column;gap:7px;color:var(--muted);font-size:11px}.lead-form input:not([type=checkbox]),.lead-form select{background:var(--surface);color:var(--text);border:1px solid #435258;padding:10px 12px;width:100%;min-width:0;height:46px;border-radius:0;font-size:13px}.lead-form input:focus,.lead-form select:focus{outline:2px solid var(--accent);outline-offset:2px}.lead-form .consent{display:flex;gap:11px;font-size:11px;line-height:1.8;color:var(--muted);align-items:flex-start}.consent input{margin-top:5px;accent-color:var(--accent);width:18px;height:18px;flex-shrink:0}.consent a{text-decoration:underline}.review-notice{color:#d4bc7f;font-size:11px;background:#d4bc7f0b;padding:10px 12px;border:1px solid #d4bc7f35}.review-notice[hidden]{display:none}.form-status{font-size:12px;overflow-wrap:anywhere}.form-status:empty{display:none}.form-status[data-state=error]{color:#ffb5ae}.form-status[data-state=success]{color:var(--accent)}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.detail-content{padding-block:80px;border-bottom:1px solid var(--line)}.deliverables{padding:0;list-style:none}.deliverables li{display:flex;gap:18px;align-items:baseline;border-top:1px solid var(--line);padding:19px 0;font-size:19px;line-height:1.5}.deliverables li>span{font:10px var(--mono);color:var(--accent)}.audience h2{font-size:29px;line-height:1.3;margin-bottom:34px}.audience .eyebrow{margin-bottom:16px}.audience .small{margin-top:25px}footer{padding-block:42px 28px;border-top:1px solid var(--line)}.footer-top,.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-top>p,.footer-top>a:last-child{font-size:12px;color:var(--muted)}.footer-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-size:10px;color:var(--muted)}
@media(min-width:1600px){section,aside,footer{padding-inline:max(var(--gutter),calc((100vw - 1280px)/2))}}
@media(max-width:1100px){.header{gap:16px}.header nav{gap:16px}.header-cta{display:none}.languages{margin-left:auto}.contact-section{gap:38px}.solution{padding:30px}.two-col{gap:40px}.expert{gap:25px}.brand{font-size:19px}}
@media(max-width:760px){html{scroll-padding-top:84px}.header{height:72px;gap:8px}.header .brand{font-size:19px}.header .brand img{width:27px;height:27px}.header nav{display:none;position:absolute;top:71px;left:0;right:0;background:var(--bg);padding:20px var(--gutter);border-bottom:1px solid var(--line);margin:0}.header nav.open{display:flex;flex-direction:column;gap:2px}.header nav a{min-height:44px;font-size:17px}.menu{display:block;flex-shrink:0}.languages a{min-width:35px}.hero{padding-block:30px 40px;background-image:none}.parent{font-size:10px;margin-bottom:40px}.hero .eyebrow{font-size:9px;max-width:280px;margin-left:0}h1{font-size:clamp(39px,8vw,61px);line-height:1.07}.hero-description{font-size:16px;margin-top:24px}.actions{gap:10px;margin-top:27px}.button{min-height:48px;padding:12px 17px;gap:17px;font-size:12px}.principles{gap:16px;flex-wrap:wrap;margin-top:35px;font-size:9px;line-height:1.6}.solutions-section{padding-block:65px}.section-heading{margin-bottom:30px}.section-heading h2{font-size:36px}.section-heading>p:last-child:not(.eyebrow){font-size:14px}.solutions-grid,.two-col,.contact-section{grid-template-columns:1fr}.solution{padding:25px 23px;min-height:300px}.solution h3{font-size:27px}.solution-top{margin-bottom:22px}.method-section{padding-block:65px}.process{grid-template-columns:1fr 1fr;margin-top:30px;gap:30px 0}.process li{margin-right:20px;padding-right:20px}.process li:nth-child(2){border:0}.process h3{font-size:24px;margin-top:16px}.process p{font-size:12px}.evidence{padding-block:65px}.two-col{gap:30px}.expert{padding-block:30px;grid-template-columns:1fr;gap:20px}.expert>a{justify-self:start}.contact-section{padding-block:65px;gap:35px}.contact-section>div>h2{font-size:39px}.lead-form{padding:24px 20px;gap:16px 12px}.footer-top,.footer-bottom{align-items:flex-start;flex-wrap:wrap;justify-content:flex-start;gap:16px 28px}.footer-top>p{width:100%}.detail-content{padding-block:55px}.deliverables li{font-size:17px}.audience h2{font-size:27px}.header:has(.brand span:first-child){gap:8px}}
@media(max-width:390px){.header .brand{font-size:17px;gap:8px}.languages a{min-width:31px}.hero h1{font-size:38px}.lead-form{grid-template-columns:1fr}.lead-form label{grid-column:1/-1}.process{grid-template-columns:1fr}.process li{border:0;border-bottom:1px solid #a6aea9;padding-bottom:20px;margin-right:0}.solution-top{gap:15px}}
@media(max-width:760px){.corporate-header .brand{font-size:14px}.corporate-header .brand span{max-width:120px;white-space:normal;line-height:1.15}.corporate-header .brand img{flex-shrink:0}}
.solution>.pmst-signup{margin-top:18px}.solution>.pmst-signup:hover{background:#7af9c5}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}