:root{
  --ink:#101828;
  --muted:#5f6c7b;
  --line:#d9e1e8;
  --paper:#ffffff;
  --canvas:#f4f7f8;
  --navy:#0b1726;
  --navy-2:#13243a;
  --teal:#0aa58f;
  --cobalt:#2f6fed;
  --amber:#e59b18;
  --coral:#df5c55;
  --mint:#dff5ef;
  --blue-soft:#e8f0ff;
  --amber-soft:#fff2d8;
  --shadow:0 18px 48px rgba(11,23,38,.10);
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;line-height:1.6;letter-spacing:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}

.site-header{position:sticky;top:0;z-index:50;background:rgba(11,23,38,.96);border-bottom:1px solid rgba(255,255,255,.10)}
.nav-shell{width:min(var(--max),calc(100% - 40px));height:68px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;color:white;font-weight:800}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--teal);border-radius:6px;color:#fff;font-size:13px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:10px 12px;color:#cbd5df;font-size:14px;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:#fff;border-bottom-color:var(--teal)}
.nav-cta{background:#fff;color:var(--navy)!important;border:0!important;border-radius:6px;padding:9px 14px!important;font-weight:700}
.menu-toggle{display:none;border:1px solid #31445d;background:transparent;color:#fff;border-radius:6px;width:42px;height:42px;font-size:20px;cursor:pointer}

.hero{position:relative;min-height:720px;background:var(--navy) center/cover no-repeat;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:rgba(7,16,27,.38)}
.hero-inner{position:relative;z-index:1;width:min(var(--max),calc(100% - 40px));min-height:720px;margin:auto;padding:112px 0 86px;display:flex;align-items:flex-start}
.hero-copy{max-width:690px}
.eyebrow{display:flex;align-items:center;gap:9px;margin:0 0 22px;color:#8fe2d3;font-size:13px;font-weight:800;text-transform:uppercase}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--teal)}
h1,h2,h3,p{margin-top:0}
h1{font-size:64px;line-height:1.04;letter-spacing:0;margin-bottom:24px;max-width:830px}
.hero-lead{max-width:640px;color:#d6dee7;font-size:20px;line-height:1.65;margin-bottom:32px}
.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;border:1px solid transparent;border-radius:6px;padding:11px 17px;font-weight:750;cursor:pointer;transition:transform .15s ease,background .15s ease}
.button:hover{transform:translateY(-2px)}
.button.primary{background:var(--teal);color:#fff}
.button.secondary{border-color:#65758a;background:rgba(11,23,38,.78);color:#fff}
.button.light{background:#fff;color:var(--ink);border-color:var(--line)}
.hero-proof{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:54px;color:#bac6d2;font-size:13px}
.hero-proof strong{display:block;color:#fff;font-size:21px}

.section{padding:88px 0}
.section.compact{padding:60px 0}
.section.dark{background:var(--navy);color:#fff}
.section.white{background:#fff}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}
.section-head>div{max-width:720px}
.section-label{margin:0 0 8px;color:var(--teal);font-size:13px;font-weight:800;text-transform:uppercase}
.section h2,.page-hero h1{font-size:42px;line-height:1.15;margin-bottom:14px}
.section-intro,.page-lead{color:var(--muted);font-size:18px;max-width:740px}
.dark .section-intro{color:#b9c6d3}

.metric-band{background:#fff;border-bottom:1px solid var(--line)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:28px;border-right:1px solid var(--line)}
.metric:first-child{padding-left:0}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:30px;line-height:1.1;color:var(--ink)}
.metric span{color:var(--muted);font-size:13px}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{min-height:210px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:24px}
.feature-index{display:grid;place-items:center;width:38px;height:38px;margin-bottom:24px;border-radius:6px;background:var(--blue-soft);color:var(--cobalt);font-weight:800;font-size:13px}
.feature:nth-child(3n+2) .feature-index{background:var(--mint);color:#087463}
.feature:nth-child(3n+3) .feature-index{background:var(--amber-soft);color:#945d00}
.feature h3{font-size:19px;margin-bottom:8px}
.feature p{color:var(--muted);font-size:14px;margin-bottom:0}

.flagship{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.flagship-media{position:relative;border:1px solid #263951;background:var(--navy-2);border-radius:8px;box-shadow:var(--shadow);overflow:hidden}
.flagship-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.tag{border:1px solid var(--line);border-radius:999px;padding:5px 10px;color:var(--muted);background:#fff;font-size:12px;font-weight:700}
.dark .tag{border-color:#344963;background:#14253a;color:#cad5df}
.problem-line{padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:18px;font-weight:700}

.process{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;align-items:stretch}
.process-step{position:relative;padding:18px 14px;border:1px solid #344961;border-radius:8px;background:#12243a;min-height:142px}
.process-step:not(:last-child)::after{content:"→";position:absolute;right:-14px;top:50%;z-index:2;color:#8fe2d3;font-size:20px}
.process-step small{display:block;color:#8fe2d3;font-weight:800;margin-bottom:24px}
.process-step strong{display:block;font-size:15px;line-height:1.35}
.process-step span{display:block;color:#9eafc1;font-size:12px;margin-top:6px}

.quote-band{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:start}
.quote{font-size:31px;line-height:1.35;font-weight:750}
.quote em{color:var(--teal);font-style:normal}
.role-list{display:grid;gap:0;border-top:1px solid var(--line)}
.role-list div{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}
.role-list span{color:var(--muted)}

.thinking-statement{max-width:940px;font-size:42px;line-height:1.28;font-weight:800;margin-bottom:0}
.thinking-statement span{color:var(--teal)}
.thinking-note{max-width:720px;margin:26px 0 0;color:var(--muted);font-size:17px}
.dark .thinking-note{color:#b9c6d3}

.ai-workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.ai-step{position:relative;min-height:164px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:20px}
.ai-step:nth-child(n+5){margin-top:8px}
.ai-owner{display:inline-block;border-radius:999px;padding:4px 8px;font-size:10px;font-weight:850;text-transform:uppercase;background:var(--blue-soft);color:var(--cobalt)}
.ai-owner.ai{background:var(--mint);color:#087463}
.ai-owner.shared{background:var(--amber-soft);color:#945d00}
.ai-step small{display:block;color:var(--muted);margin:20px 0 5px;font-size:11px}
.ai-step strong{display:block;font-size:17px}
.ai-step p{margin:7px 0 0;color:var(--muted);font-size:12px}

.before-after{display:grid;grid-template-columns:1fr 86px 1fr;gap:20px;align-items:stretch}
.state-panel{border-top:6px solid var(--coral);background:#fff;padding:28px;border-radius:0 0 8px 8px}
.state-panel.after{border-top-color:var(--teal)}
.state-panel h3{font-size:26px;margin-bottom:18px}
.state-list{list-style:none;padding:0;margin:0}
.state-list li{padding:12px 0;border-bottom:1px solid var(--line);color:#39485a}
.state-list li:last-child{border-bottom:0}
.transition-mark{display:grid;place-items:center;color:var(--teal);font-size:32px;font-weight:800}

.timeline{display:grid;grid-template-columns:repeat(5,1fr);position:relative}
.timeline::before{content:"";position:absolute;left:4%;right:4%;top:27px;height:2px;background:#3a4e66}
.milestone{position:relative;padding:0 18px 0 0}
.milestone-dot{position:relative;z-index:1;width:18px;height:18px;margin:19px 0 24px;border:5px solid var(--navy);border-radius:50%;background:var(--teal);box-shadow:0 0 0 2px var(--teal)}
.milestone time{display:block;color:#8fe2d3;font-size:12px;font-weight:800;text-transform:uppercase}
.milestone h3{font-size:17px;margin:7px 0;color:#fff}
.milestone p{color:#9eafc1;font-size:12px;margin:0}

.challenge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.challenge{border:1px solid var(--line);border-radius:8px;background:#fff;padding:24px}
.challenge-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}
.challenge-number{color:var(--cobalt);font-size:12px;font-weight:850}
.challenge h3{font-size:21px;margin:0}
.challenge-path{display:grid;grid-template-columns:1fr 36px 1fr;gap:8px;align-items:center}
.challenge-path>div{background:var(--canvas);border-radius:6px;padding:13px;font-size:13px;min-height:68px}
.challenge-path>span{text-align:center;color:var(--teal);font-size:20px;font-weight:900}

.architecture-visual{border:1px solid #2c4058;border-radius:8px;background:var(--navy);overflow:hidden;box-shadow:var(--shadow)}
.architecture-visual img{width:100%;height:auto}
.architecture-caption{display:flex;justify-content:space-between;gap:20px;padding:14px 18px;background:#102238;color:#b9c6d3;font-size:12px}
.project-framework{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.project-framework span{border:1px solid var(--line);background:var(--canvas);border-radius:999px;padding:4px 9px;color:var(--muted);font-size:10px;font-weight:800;text-transform:uppercase}

.journal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{display:flex;flex-direction:column;min-height:300px;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
.article-accent{height:8px;background:var(--teal)}
.article-card:nth-child(2) .article-accent{background:var(--cobalt)}
.article-card:nth-child(3) .article-accent{background:var(--amber)}
.article-body{display:flex;flex:1;flex-direction:column;padding:24px}
.article-meta{color:var(--muted);font-size:12px;text-transform:uppercase;font-weight:750}
.article-card h3{font-size:21px;line-height:1.35;margin:18px 0 10px}
.article-card p{color:var(--muted);font-size:14px}
.article-link{margin-top:auto;color:var(--cobalt);font-weight:800;font-size:14px}

.page-hero{background:var(--navy);color:#fff;padding:92px 0 72px;border-bottom:8px solid var(--teal)}
.page-hero .breadcrumb{color:#9eb0c2;font-size:13px;margin-bottom:22px}
.page-hero h1{font-size:54px;max-width:900px}
.page-hero .page-lead{color:#c4d0db}

.project-list{display:grid;gap:22px}
.project-row{display:grid;grid-template-columns:170px 1fr auto;gap:28px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}
.project-status{color:var(--teal);font-size:12px;font-weight:800;text-transform:uppercase}
.project-row h2{font-size:25px;margin:0 0 6px}
.project-row p{margin:0;color:var(--muted)}
.project-link{color:var(--cobalt);font-weight:800}

.case-hero{display:grid;grid-template-columns:1fr .75fr;gap:60px;align-items:end}
.case-facts{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #344961}
.case-fact{padding:16px 14px 16px 0;border-bottom:1px solid #344961}
.case-fact span{display:block;color:#91a5b8;font-size:11px;text-transform:uppercase;font-weight:800}
.case-fact strong{font-size:14px}

.story-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
.sticky-label{position:sticky;top:100px;align-self:start}
.sticky-label strong{display:block;color:var(--teal);font-size:13px;text-transform:uppercase}
.story-copy h2{font-size:36px}
.story-copy p{color:#384657;font-size:17px}
.callout{border-left:4px solid var(--amber);background:#fff7e7;padding:20px 22px;margin:28px 0;font-size:18px;font-weight:700}
.data-source-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}
.data-source{border:1px solid var(--line);border-radius:8px;padding:18px;background:#fff}
.data-source code{color:var(--cobalt);font-weight:800}
.data-source p{font-size:13px;margin:6px 0 0;color:var(--muted)}

.architecture-stack{display:grid;gap:12px}
.arch-layer{display:grid;grid-template-columns:180px 1fr;gap:20px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:20px}
.arch-layer strong{color:var(--cobalt)}
.arch-nodes{display:flex;flex-wrap:wrap;gap:8px}
.arch-node{background:var(--canvas);border:1px solid var(--line);border-radius:5px;padding:7px 10px;font-size:13px}

.module-table{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.module-row{display:grid;grid-template-columns:200px 1fr 160px;border-bottom:1px solid var(--line)}
.module-row:last-child{border-bottom:0}
.module-row>div{padding:15px 18px}
.module-row>div:first-child{font-weight:800}
.module-row>div:nth-child(2){color:var(--muted)}
.module-row>div:last-child{color:var(--teal);font-size:12px;text-transform:uppercase;font-weight:800}

.split-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.plain-panel{border-top:4px solid var(--cobalt);background:#fff;padding:26px;border-radius:0 0 8px 8px}
.plain-panel.ai{border-top-color:var(--teal)}
.check-list{list-style:none;padding:0;margin:18px 0 0}
.check-list li{position:relative;padding:9px 0 9px 24px;border-bottom:1px solid var(--line)}
.check-list li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:900}

.article-layout{display:grid;grid-template-columns:240px 1fr;gap:70px}
.article-toc{position:sticky;top:100px;align-self:start;border-left:2px solid var(--line);padding-left:18px}
.article-toc a{display:block;padding:7px 0;color:var(--muted);font-size:13px}
.article-toc a:hover{color:var(--cobalt)}
.prose{max-width:780px}
.prose h2{font-size:32px;margin-top:48px}
.prose h3{font-size:22px;margin-top:32px}
.prose p,.prose li{color:#39485a;font-size:17px}
.prose code{background:#e9eef3;border-radius:4px;padding:2px 5px}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px}
.contact-row{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}
.contact-row:last-child{border-bottom:0}
.contact-row span{color:var(--muted)}
.contact-row a{color:var(--cobalt);font-weight:750}

.cta-band{background:var(--teal);color:#fff;padding:66px 0}
.cta-layout{display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta-layout h2{font-size:38px;margin:0;max-width:720px}
.cta-layout .button{background:var(--navy);color:#fff}

.site-footer{background:#07111e;color:#aab8c6;padding:44px 0}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:40px}
.footer-grid strong{display:block;color:#fff;margin-bottom:10px}
.footer-links a{display:block;padding:4px 0;font-size:13px}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid #25364b;font-size:12px}

@media(max-width:920px){
  h1{font-size:50px}
  .feature-grid,.journal-grid{grid-template-columns:1fr 1fr}
  .flagship,.quote-band,.case-hero,.story-grid,.contact-grid{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(3,1fr)}
  .process-step:nth-child(3)::after{display:none}
  .sticky-label{position:static}
  .metrics{grid-template-columns:1fr 1fr}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .article-layout{grid-template-columns:1fr}
  .ai-workflow{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr 1fr;gap:24px 0}
  .timeline::before{display:none}
  .article-toc{position:static;display:flex;flex-wrap:wrap;gap:0 16px;border-left:0;border-bottom:1px solid var(--line);padding:0 0 14px}
}

@media(max-width:720px){
  .nav-shell{width:min(100% - 28px, var(--max));height:60px}
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;left:0;right:0;top:60px;background:var(--navy);padding:12px 14px 18px;box-shadow:var(--shadow)}
  .nav-links.open{display:grid}
  .nav-links a{padding:12px}
  .hero,.hero-inner{min-height:680px}
  .hero{background-position:68% center}
  .hero::before{background:rgba(7,16,27,.78)}
  .hero-inner{width:calc(100% - 32px);padding:88px 0 50px}
  h1{font-size:42px}
  .hero-lead{font-size:17px}
  .hero-proof{margin-top:38px;display:grid;grid-template-columns:1fr 1fr}
  .section{padding:64px 0}
  .container{width:calc(100% - 32px)}
  .section h2,.page-hero h1{font-size:34px}
  .section-head{display:block}
  .metrics,.feature-grid,.journal-grid,.split-panel,.data-source-grid{grid-template-columns:1fr}
  .thinking-statement{font-size:31px}
  .ai-workflow,.challenge-grid{grid-template-columns:1fr}
  .ai-step:nth-child(n+5){margin-top:0}
  .before-after{grid-template-columns:1fr}
  .transition-mark{min-height:54px;transform:rotate(90deg)}
  .timeline{grid-template-columns:1fr;border-left:2px solid #3a4e66;margin-left:9px;padding-left:24px}
  .milestone-dot{position:absolute;left:-34px;top:-10px}
  .milestone{padding:0 0 18px}
  .challenge-path{grid-template-columns:1fr}
  .challenge-path>span{transform:rotate(90deg)}
  .metric{padding:20px 0;border-right:0;border-bottom:1px solid var(--line)!important}
  .process{grid-template-columns:1fr}
  .process-step:not(:last-child)::after{content:"↓";right:50%;top:auto;bottom:-20px}
  .project-row{grid-template-columns:1fr;gap:8px}
  .case-facts{grid-template-columns:1fr 1fr}
  .arch-layer,.module-row{grid-template-columns:1fr}
  .module-row>div{padding:10px 16px}
  .module-row>div:first-child{padding-top:18px}
  .module-row>div:last-child{padding-bottom:18px}
  .cta-layout{align-items:flex-start;flex-direction:column}
  .cta-layout h2{font-size:30px}
  .footer-grid{grid-template-columns:1fr}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}