:root{
  --green:#0f5b2b;
  --green-dark:#0a4020;
  --green-soft:#e9f0ea;
  --black:#0e1210;
  --ink:#202722;
  --muted:#68716b;
  --line:#d9ddd9;
  --paper:#f6f7f4;
  --white:#ffffff;
  --max:1220px;
  --content:830px;
  --serif:Georgia,"Times New Roman",serif;
  --sans:Inter,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--sans);line-height:1.62}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8aa68f;outline-offset:4px}
.shell{width:min(calc(100% - 44px),var(--max));margin:0 auto}
.prose{max-width:var(--content)}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:14px;top:14px;z-index:1000;background:#fff;color:#000;padding:10px 14px;border:1px solid #000}
.site-header{border-bottom:1px solid var(--line);background:#fff}
.header-inner{min-height:122px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:18px}
.brand img{width:96px;height:96px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text strong{font-family:var(--serif);font-size:24px;letter-spacing:.08em;color:var(--green);font-weight:700}
.brand-text span{font-size:11px;text-transform:uppercase;letter-spacing:.18em;margin-top:10px;color:var(--black);font-weight:700}
.desktop-nav{display:flex;align-items:center;gap:28px;flex-wrap:wrap;justify-content:flex-end}
.desktop-nav a{font-size:14px;font-weight:700;color:var(--black);padding:12px 0;position:relative}
.desktop-nav a:after{content:"";position:absolute;left:0;right:0;bottom:5px;height:2px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:.16s}
.desktop-nav a:hover:after,.desktop-nav a[aria-current="page"]:after{transform:scaleX(1)}
.mobile-menu{display:none}
.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.18em;font-weight:800;color:var(--green)}
.hero{background:linear-gradient(115deg,#f7f8f5,#edf2ed);border-bottom:1px solid var(--line)}
.hero-inner{padding:88px 0 82px;display:grid;grid-template-columns:1.12fr .72fr;gap:72px;align-items:center}
.hero h1,.page-hero h1,h2,h3{font-family:var(--serif);color:var(--black);font-weight:500}
.hero h1{font-size:clamp(54px,6.4vw,88px);line-height:.97;letter-spacing:-.035em;margin:12px 0 24px}
.hero p{font-size:19px;max-width:720px;color:#344039;margin:0}
.hero-mark{display:flex;justify-content:center}
.hero-mark img{width:min(100%,430px);filter:drop-shadow(0 18px 40px rgba(0,0,0,.09))}
.rule{width:62px;height:3px;background:var(--green);margin:28px 0}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{min-height:50px;padding:0 20px;border:1px solid var(--green);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}
.btn.primary{background:var(--green);color:#fff}
.btn.primary:hover{background:var(--green-dark)}
.btn.secondary{color:var(--green);background:#fff}
.btn.secondary:hover{background:var(--green-soft)}
.section{padding:76px 0}
.section.alt{background:var(--paper)}
.section.dark{background:var(--black);color:#fff}
.section.dark h2,.section.dark h3{color:#fff}
.section-head{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;margin-bottom:38px}
.section-head h2{font-size:clamp(38px,4vw,58px);line-height:1.04;margin:7px 0 0}
.section-head p{font-size:17px;color:var(--muted);max-width:760px;margin:0}
.lane-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lane-card{border:1px solid var(--line);background:#fff;padding:30px;min-height:300px;display:flex;flex-direction:column}
.lane-card .num{font-family:var(--serif);font-size:30px;color:var(--green)}
.lane-card h3{font-size:29px;line-height:1.1;margin:17px 0 13px}
.lane-card p{color:var(--muted);margin:0}
.lane-card a{margin-top:auto;padding-top:24px;color:var(--green);font-weight:800;font-size:14px}
.research-note{border-left:4px solid var(--green);padding:6px 0 6px 22px;font-family:var(--serif);font-size:27px;color:var(--black)}
.feed-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feed-card{border:1px solid var(--line);padding:26px;background:#fff;display:flex;flex-direction:column;min-height:290px}
.feed-card .date{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--green);font-weight:800}
.feed-card h3{font-size:26px;line-height:1.16;margin:14px 0 13px}
.feed-card p{font-size:15px;color:var(--muted);margin:0}
.feed-card a{margin-top:auto;padding-top:22px;color:var(--green);font-size:14px;font-weight:800}
.feed-empty{border:1px solid var(--line);background:#fff;padding:28px}
.archive-callout{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:center;border:1px solid var(--line);padding:36px;background:#fff}
.archive-callout h2{font-size:38px;margin:0 0 13px}
.archive-callout p{color:var(--muted);margin:0}
.archive-badge{height:190px;background:var(--green);display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;padding:25px;font-family:var(--serif);font-size:30px}
.page-hero{background:var(--paper);border-bottom:1px solid var(--line);padding:62px 0 56px}
.page-hero h1{font-size:clamp(48px,5.4vw,74px);line-height:.98;margin:10px 0 18px}
.page-hero p{font-size:18px;color:var(--muted);max-width:800px;margin:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:58px}
.prose h2{font-size:38px;margin:2.1rem 0 .8rem}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:27px;margin:1.8rem 0 .6rem}
.prose p,.prose li{color:#39443e}
.prose a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.definition{border-left:4px solid var(--green);padding-left:20px;margin:28px 0}
.definition p{font-family:var(--serif);font-size:26px;color:var(--black);margin:0}
.about-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:52px;align-items:start}
.about-logo{border:1px solid var(--line);padding:26px;background:#fff}
.about-logo img{width:100%;max-width:390px;margin:auto}
.role-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
.role{border-top:3px solid var(--green);padding-top:15px}
.role strong{font-family:var(--serif);font-size:23px}
.role span{display:block;font-size:13px;color:var(--muted);margin-top:7px}
.writing-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}
.substack-box{background:var(--green);color:#fff;padding:36px}
.substack-box h2{color:#fff;font-size:36px;margin:8px 0 14px}
.substack-box p{color:#e9f3eb}
.substack-box .btn{border-color:#fff;color:#fff}
.contact-box{border:1px solid var(--line);padding:34px;background:#fff}
.contact-box h2{font-size:36px;margin:0 0 12px}
.contact-box p{color:var(--muted)}
.site-footer{background:var(--black);color:#cfd6d1;padding:38px 0}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
.footer-title{font-family:var(--serif);font-size:22px;color:#fff}
.footer-sub{font-size:13px;margin-top:5px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end;font-size:13px}
.footer-links a:hover{text-decoration:underline}
.footer-bottom{margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12px;color:#aeb7b1}
@media(max-width:950px){
  .desktop-nav{display:none}.mobile-menu{display:block;position:relative}
  .mobile-menu summary{cursor:pointer;font-weight:800;color:var(--black);list-style:none}
  .mobile-menu summary::-webkit-details-marker{display:none}
  .mobile-menu nav{position:absolute;right:0;top:34px;width:240px;background:#fff;border:1px solid var(--line);box-shadow:0 15px 35px rgba(0,0,0,.08);z-index:20;padding:13px}
  .mobile-menu nav a{display:block;padding:10px 8px}
  .hero-inner,.section-head,.archive-callout,.about-grid,.writing-grid{grid-template-columns:1fr}
  .lane-grid,.feed-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .role-list{grid-template-columns:1fr}
}
@media(max-width:620px){
  .shell{width:min(calc(100% - 30px),var(--max))}
  .header-inner{min-height:102px}
  .brand img{width:76px;height:76px}
  .brand-text strong{font-size:18px}.brand-text span{font-size:9px}
  .hero-inner{padding:56px 0}.hero h1{font-size:51px}
  .section{padding:58px 0}
  .footer-inner{grid-template-columns:1fr}.footer-links{justify-content:flex-start}
}