:root{
  --ink:#16221b; --muted:#56635b; --line:#e2e8e3; --bg:#ffffff; --alt:#f4f7f4;
  --accent:#1e5a3a; --accent-ink:#ffffff; --max:1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.narrow{max-width:720px}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);z-index:10;backdrop-filter:saturate(1.2) blur(6px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.wordmark{font-weight:800;font-size:20px;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}
.wordmark span{font-weight:400;color:var(--accent)}
nav{display:flex;gap:20px;flex-wrap:wrap}
nav a{color:var(--ink);text-decoration:none;font-size:15px}
nav a:hover{color:var(--accent)}
.nav-cta{font-weight:600;color:var(--accent)!important}
.hero{padding:72px 0;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#f3f7f3 0%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;color:var(--muted);margin:0 0 12px}
h1{font-size:clamp(34px,5vw,54px);line-height:1.1;margin:0 0 20px;letter-spacing:-.02em}
.lede{font-size:clamp(18px,2.1vw,20px);color:var(--muted);margin:0 0 32px;max-width:56ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.button{display:inline-block;background:var(--accent);color:var(--accent-ink);text-decoration:none;padding:12px 22px;border-radius:6px;font-weight:600;border:2px solid var(--accent)}
.button:hover{filter:brightness(1.12)}
.button-ghost{background:transparent;color:var(--accent)}
figure{margin:0}
.hero-photo img,.builds-photo img{border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.12);aspect-ratio:4/5;object-fit:cover;width:100%}
.section{padding:80px 0}
.section-alt{background:var(--alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(26px,3.4vw,36px);margin:0 0 12px;letter-spacing:-.01em}
.section-lede{color:var(--muted);margin:0 0 36px;max-width:62ch}
.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.steps li{counter-increment:s;border:1px solid var(--line);border-radius:10px;padding:24px;background:#fff;position:relative}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;font-size:14px;margin-bottom:10px}
.steps h3{margin:0 0 6px;font-size:18px}
.steps p{margin:0;color:var(--muted)}
.small{font-size:14px;color:var(--muted);margin-top:24px}
.builds-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
.ticks{padding:0;margin:20px 0 0;list-style:none;display:grid;gap:10px}
.ticks li{padding-left:28px;position:relative}
.ticks li::before{content:"";position:absolute;left:4px;top:.55em;width:10px;height:10px;border-radius:2px;background:var(--accent)}
.contact-line{margin-top:24px}
.site-footer{padding:32px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.site-footer p{margin:4px 0}
@media (max-width:860px){
  .hero-grid,.builds-grid{grid-template-columns:1fr;gap:32px}
  .hero-photo{max-width:440px}
  .builds-photo{max-width:420px;order:2}
}
@media (max-width:640px){
  body{font-size:16px}
  .header-inner{padding:10px 0}
  nav{gap:14px}
  .hero{padding:48px 0}
  .section{padding:56px 0}
}

/* Research and members */
.page-head{padding:56px 0 40px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#f3f7f3 0%,#fff 100%)}
.page-head h1{font-size:clamp(30px,4.4vw,46px)}
.page-head .lede{margin-bottom:0}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 14px}
.crumbs a{color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin:0;padding:0;list-style:none}
.card{border:1px solid var(--line);border-radius:10px;padding:24px;background:#fff;display:flex;flex-direction:column;gap:8px}
.card h3{margin:0;font-size:19px;line-height:1.3}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--accent)}
.card p{margin:0;color:var(--muted)}
.card .more{margin-top:auto;padding-top:8px;font-weight:600}
.card-locked{background:var(--alt)}
.badge{display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:999px;border:1px solid var(--accent);color:var(--accent);background:#fff}
.badge-free{background:var(--accent);color:#fff}
.article{padding:56px 0 80px}
.article h2{font-size:clamp(22px,2.8vw,28px);margin:44px 0 10px}
.article p,.article li{max-width:68ch}
.article figure{margin:32px 0}
.article figure img{border-radius:10px;max-width:420px;width:100%}
figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.table-scroll{overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:8px}
.data-table{border-collapse:collapse;width:100%;font-size:15px;font-variant-numeric:tabular-nums;min-width:520px}
.data-table th,.data-table td{padding:9px 12px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
.data-table th:first-child,.data-table td:first-child{text-align:left}
.data-table thead th{background:var(--alt);font-weight:600}
.data-table tbody tr:last-child td{border-bottom:0}
.callout{border-left:4px solid var(--accent);background:var(--alt);padding:16px 20px;border-radius:0 8px 8px 0;margin:28px 0}
.callout p{margin:0}
.timeline{list-style:none;padding:0;margin:24px 0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 26px 24px}
.timeline li::before{content:"";position:absolute;left:-7px;top:.45em;width:12px;height:12px;border-radius:50%;background:var(--accent)}
.timeline h3{margin:0 0 4px;font-size:18px}
.timeline .when{display:block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.members-box{border:2px dashed var(--accent);border-radius:12px;padding:32px;background:var(--alt);margin:8px 0 0}
.members-box h2{margin-top:0}
.split{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.split figure{max-width:400px;justify-self:end;width:100%}
.split img{border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.12);aspect-ratio:4/5;object-fit:cover;width:100%}
.source-note{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:44px}
.nav-current{color:var(--accent)!important;font-weight:600}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}.split figure{max-width:420px;justify-self:start}}
@media (max-width:640px){.page-head{padding:40px 0 28px}.article{padding:40px 0 56px}.members-box{padding:22px}}
.members-box + h2{margin-top:48px}
.badge-soon{background:var(--alt);border-color:var(--muted);color:var(--ink)}
.members-box .status{margin:0 0 8px}
.site-footer .social a{color:inherit}

/* v2 additions */
.stat-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.stat-grid li{border:1px solid var(--line);border-radius:10px;background:#fff;padding:20px 22px}
.stat-grid strong{display:block;font-size:clamp(28px,3.6vw,38px);line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}
.stat-grid span{color:var(--muted);font-size:15px}
.chart{margin:24px 0}
.chart img{width:100%;max-width:960px;border:1px solid var(--line);border-radius:10px;background:#fff}
.article .chart img{max-width:100%}
.lock-note{font-size:14px;color:var(--muted);border-top:1px dashed var(--line);padding-top:8px;margin-top:auto!important}
.photo-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.photo-grid img{border-radius:10px;aspect-ratio:1/1;object-fit:cover;width:100%}
.section h3{margin:28px 0 6px}
.card h3,.steps h3,.timeline h3{margin-top:0}