:root {
  --bg: #f6f3eb;
  --paper: #ffffff;
  --ink: #0d2f22;
  --muted: #5d6c62;
  --line: rgba(13, 47, 34, 0.14);
  --green: #0c3d2b;
  --green-2: #1d5a3e;
  --earth: #b9a77c;
  --shadow: 0 24px 70px rgba(13, 47, 34, 0.09);
  --radius: 28px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: var(--sans); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(900px, calc(100% - 40px)); }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(246, 243, 235, 0.9); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.header-inner { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; flex-direction: column; line-height: 1; }
.brand-main { font-family: var(--serif); font-size: 34px; color: var(--green); }
.brand-sub { font-size: 12px; letter-spacing: 0.28em; margin-top: 4px; color: var(--green); }
.main-nav { display: flex; align-items: center; gap: 26px; font-size: 14px; color: #243c31; }
.main-nav a:hover { color: var(--green-2); }

.header-cta, .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border-radius: 999px; font-weight: 700; font-size: 14px; transition: .2s ease; }
.header-cta, .btn-primary { color: #fff; background: var(--green); box-shadow: 0 14px 32px rgba(12, 61, 43, 0.2); }
.btn-secondary { background: rgba(255,255,255,.75); color: var(--green); border: 1px solid var(--line); }
.btn-light { color: var(--green); background: #fff; }

.mobile-toggle { display: none; background: none; border: 0; width: 42px; height: 42px; flex-direction: column; justify-content: center; gap: 5px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--green); }
.mobile-nav { display: none; padding: 0 20px 20px; border-top: 1px solid var(--line); }
.mobile-nav a { display: block; padding: 12px 0; }

.hero { position: relative; overflow: hidden; padding: 84px 0 74px; background: radial-gradient(circle at 72% 22%, rgba(29,90,62,.12), transparent 30%), linear-gradient(180deg, #fbfaf6 0%, #f6f3eb 100%); }
.hero::after { content:""; position:absolute; inset:auto 0 0 0; height:180px; background: linear-gradient(180deg, transparent, rgba(246,243,235,.95)), repeating-linear-gradient(90deg, transparent 0 64px, rgba(13,47,34,.035) 64px 65px); pointer-events:none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
.eyebrow { margin:0 0 12px; text-transform:uppercase; letter-spacing:.16em; font-size:12px; font-weight:800; color: var(--green-2); }
.eyebrow.light { color:#dfeee3; }
h1,h2,h3 { margin:0; line-height:1.05; }
h1,h2 { font-family: var(--serif); letter-spacing:-.045em; }
h1 { font-size: clamp(54px, 7vw, 96px); max-width:760px; }
h2 { font-size: clamp(36px, 4vw, 60px); }
h3 { font-size:22px; letter-spacing:-.02em; }
p { color: var(--muted); }
.hero-lead { max-width:640px; font-size:19px; margin:26px 0 0; color:#42574d; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.chain,.paper-chain { display:flex; flex-wrap:wrap; gap:10px; margin-top:34px; }
.chain span,.paper-chain span { position:relative; padding:10px 16px; background:rgba(255,255,255,.72); border:1px solid var(--line); border-radius:999px; font-weight:700; color:var(--green); }
.chain span:not(:last-child)::after,.paper-chain span:not(:last-child)::after { content:"→"; position:absolute; right:-14px; color:var(--earth); }

.map-card { position:relative; background:rgba(255,255,255,.72); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); min-height:520px; overflow:hidden; }
.hero-uploaded-image { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.22; }
.world-map { position:absolute; inset:28px 28px 120px 28px; border-radius:24px; background: radial-gradient(circle at 20% 40%, rgba(12,61,43,.08), transparent 18%), radial-gradient(circle at 70% 30%, rgba(185,167,124,.12), transparent 22%), linear-gradient(135deg, rgba(255,255,255,.8), rgba(237,231,216,.55)); }
.world-map::before { content:""; position:absolute; inset:22px; opacity:.28; background:linear-gradient(30deg, transparent 40%, rgba(12,61,43,.18) 41%, transparent 42%), linear-gradient(150deg, transparent 45%, rgba(12,61,43,.12) 46%, transparent 47%); border-radius:22px; }
.world-map svg { position:absolute; inset:0; width:100%; height:100%; }
.world-map path { fill:none !important; stroke: rgba(12,61,43,.22) !important; stroke-width:2 !important; }
.node { position:absolute; width:14px; height:14px; border-radius:50%; background:var(--green); box-shadow:0 0 0 8px rgba(12,61,43,.08); z-index:4; }
.n1{left:14%;top:40%}.n2{left:31%;top:28%}.n3{left:46%;top:52%}.n4{left:58%;top:36%}.n5{left:74%;top:46%}.n6{left:84%;top:25%}
.map-stats { position:absolute; left:28px; right:28px; bottom:28px; display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.map-stats div { padding:16px; background:#fff; border:1px solid var(--line); border-radius:20px; }
.map-stats strong { display:block; font-size:20px; line-height:1.1; color:var(--green); letter-spacing:-.02em; }
.map-stats span { display:block; margin-top:8px; font-size:12px; line-height:1.35; color:var(--muted); }

.section { padding:88px 0; }
.intro-band { background:var(--paper); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.split { display:grid; grid-template-columns:.9fr 1.1fr; gap:70px; align-items:center; }
.top-align { align-items:start; }
.cards-three { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.feature-card,.partner-grid article,.project-list article,.score-card,.metrics,.join-card { background:rgba(255,255,255,.78); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); }
.feature-card { overflow:hidden; }
.image-sim { min-height:190px; background-size:cover; background-position:center; }
.image-sim.roots { background: radial-gradient(circle at 50% 10%, rgba(255,255,255,.4), transparent 35%), linear-gradient(180deg, rgba(29,90,62,.15), rgba(13,47,34,.35)), repeating-linear-gradient(135deg, rgba(13,47,34,.15) 0 2px, transparent 2px 14px), linear-gradient(135deg,#d8c9a8,#284534); }
.image-sim.city { background: linear-gradient(180deg, rgba(255,255,255,.25), rgba(13,47,34,.2)), radial-gradient(circle at 30% 40%, #e8dfc9, transparent 28%), radial-gradient(circle at 70% 35%, #6e8f73, transparent 22%), linear-gradient(135deg,#f4f1e7,#c4d1b4); }
.card-body { padding:28px; }
.card-body p { margin-bottom:24px; }
.card-body a { font-weight:800; color:var(--green); }
.dark-card { padding:34px; background: radial-gradient(circle at 85% 20%, rgba(255,255,255,.09), transparent 30%), linear-gradient(135deg,#0c3d2b,#08281d); color:#fff; }
.dark-card p { color:rgba(255,255,255,.75); }
.dark-card .btn { margin-top:20px; }
.muted { background:rgba(255,255,255,.42); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head { max-width:780px; margin-bottom:38px; }
.partner-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.partner-grid article { padding:28px; }
.icon { display:inline-flex; width:52px; height:52px; border-radius:18px; align-items:center; justify-content:center; margin-bottom:18px; background:#f3efe3; color:var(--green); font-size:18px; font-weight:900; }
.project-list { display:grid; gap:16px; }
.project-list article { display:grid; grid-template-columns:54px 1fr; gap:18px; padding:22px; }
.project-list span { width:42px; height:42px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; background:var(--green); color:#fff; font-weight:800; }
.data-section { background: radial-gradient(circle at 20% 20%, rgba(29,90,62,.12), transparent 30%), #f8f6ef; }
.data-grid { display:grid; grid-template-columns:.9fr 1.1fr; gap:24px; }
.score-card { padding:36px; }
.score-circle { margin-top:28px; width:190px; height:190px; border-radius:50%; display:flex; align-items:center; justify-content:center; background: radial-gradient(circle at center,#fff 0 54%,transparent 55%), conic-gradient(var(--green) 0 78%, #e4ddcc 78% 100%); }
.score-circle span { font-size:60px; font-family:var(--serif); color:var(--green); }
.score-circle small { margin-top:34px; color:var(--muted); }
.metrics { padding:28px; display:grid; gap:12px; }
.metrics div { display:flex; justify-content:space-between; align-items:center; padding:17px 18px; background:#fbfaf6; border:1px solid var(--line); border-radius:18px; }
.metrics strong { font-size:24px; color:var(--green); }
.manifesto { text-align:center; max-width:920px; }
.manifesto blockquote { margin:0; font-family:var(--serif); font-size:clamp(30px,4vw,54px); line-height:1.12; letter-spacing:-.035em; }
.join-card { display:grid; grid-template-columns:.85fr 1.15fr; gap:48px; padding:42px; background: radial-gradient(circle at 10% 20%, rgba(29,90,62,.09), transparent 30%), #fff; }
.join-form { display:grid; gap:16px; }
label { display:grid; gap:8px; font-weight:750; color:var(--green); font-size:13px; }
input,select,textarea { width:100%; border:1px solid var(--line); border-radius:16px; min-height:48px; padding:12px 14px; background:#fbfaf6; color:var(--ink); font:inherit; }

.site-footer { padding:62px 0 24px; background:#09261c; color:#fff; }
.site-footer p,.site-footer a,.footer-bottom { color:rgba(255,255,255,.72); }
.footer-grid { display:grid; grid-template-columns:1.4fr .7fr .7fr; gap:40px; }
.footer-brand .brand-main,.footer-brand .brand-sub { color:#fff; }
.site-footer h3 { color:#fff; font-size:16px; margin-bottom:16px; }
.site-footer a { display:block; margin:8px 0; }
.footer-bottom { margin-top:42px; padding-top:22px; border-top:1px solid rgba(255,255,255,.15); display:flex; justify-content:space-between; gap:24px; font-size:13px; }

.paper-page { background:#fbfaf6; }
.paper-hero { padding:90px 0 70px; background: radial-gradient(circle at 70% 20%, rgba(29,90,62,.12), transparent 30%), linear-gradient(180deg,#fff,#f6f3eb); border-bottom:1px solid var(--line); }
.paper-hero h1 { font-size:clamp(48px,6vw,84px); }
.paper-meta { margin-top:28px; display:flex; flex-wrap:wrap; gap:10px; }
.paper-meta span { padding:9px 13px; border-radius:999px; background:#fff; border:1px solid var(--line); font-size:12px; color:var(--muted); }
.paper-layout { display:grid; grid-template-columns:250px minmax(0,1fr); gap:56px; padding-top:70px; padding-bottom:90px; }
.paper-toc { position:sticky; top:114px; align-self:start; padding:24px; background:#fff; border:1px solid var(--line); border-radius:22px; box-shadow:var(--shadow); }
.paper-toc strong { display:block; margin-bottom:12px; }
.paper-toc a { display:block; padding:8px 0; color:var(--muted); font-size:14px; }
.paper-content { max-width:840px; }
.paper-content section { padding-bottom:52px; margin-bottom:52px; border-bottom:1px solid var(--line); }
.paper-content h2 { font-size:clamp(34px,4vw,52px); margin-bottom:20px; }
.paper-content p,.paper-content li { font-size:18px; color:#40564b; }
.paper-content blockquote { margin:30px 0; padding:30px; border-left:5px solid var(--green); border-radius:0 22px 22px 0; background:#f3efe3; font-family:var(--serif); font-size:30px; line-height:1.18; color:var(--green); }
.paper-close { border-bottom:0!important; margin-bottom:0!important; }

@media (max-width:980px) {
  .main-nav,.header-cta { display:none; }
  .mobile-toggle { display:flex; }
  .mobile-nav.open { display:block; }
  .hero-grid,.split,.data-grid,.join-card,.paper-layout { grid-template-columns:1fr; }
  .cards-three,.partner-grid,.footer-grid { grid-template-columns:1fr; }
  .map-card { min-height:440px; }
  .map-stats { grid-template-columns:repeat(2,1fr); }
  .paper-toc { position:static; }
  .footer-bottom { flex-direction:column; }
}
@media (max-width:620px) {
  .container,.narrow { width:min(100% - 26px,1180px); }
  .hero { padding-top:56px; }
  .section { padding:62px 0; }
  h1 { font-size:48px; }
  h2 { font-size:36px; }
  .map-stats { grid-template-columns:1fr; }
  .world-map { inset:22px 22px 230px 22px; }
  .join-card { padding:24px; }
  .paper-content p,.paper-content li { font-size:16px; }
}