:root {
  --bg: #2f3133;
  --bg-elev: #3a3c3f;
  --bg-elev-2: #44474a;
  --text: #f1f2f0;
  --text-muted: #b8bbb6;
  --accent: #a8d08d;
  --accent-strong: #c3e3ad;
  --line: #4d5054;
  --max: 1100px;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; font-weight: 700; }
h2 { font-size: 2rem; color: var(--accent); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; background: var(--bg-elev-2); padding: 0.1em 0.35em; border-radius: 4px; }

/* Header */
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  max-width: var(--max); margin: 0 auto; padding: 1.25rem 1.5rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--text); font-weight: 700; font-size: 1.2rem; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 40px; width: auto; display: block; }
.site-nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.site-nav a { color: var(--text-muted); font-size: 0.95rem; }
.site-nav a:hover { color: var(--text); text-decoration: none; }

/* Layout */
main { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; border-top: 1px solid var(--line); }
.section-intro { max-width: 46rem; color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem; }

/* Hero */
.hero { padding: 5rem 0 5rem; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; font-weight: 600; margin-bottom: 1rem; }
.hero h1 { font-size: clamp(3rem, 8vw, 5.5rem); margin-bottom: 0.25rem; letter-spacing: -0.02em; }
.subtitle { font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 600; color: var(--accent); margin-bottom: 1.25rem; }
.lede { max-width: 42rem; font-size: 1.25rem; color: var(--text-muted); margin-bottom: 2rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Buttons */
.btn {
  display: inline-block; padding: 0.7rem 1.3rem; border-radius: 999px; font-weight: 600;
  border: 1px solid transparent; transition: background 0.15s, color 0.15s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #1f2a18; }
.btn-primary:hover { background: var(--accent-strong); color: #1f2a18; }
.btn-ghost { border-color: var(--accent); color: var(--accent); }
.btn-ghost:hover { background: rgba(168, 208, 141, 0.12); color: var(--accent-strong); }

/* Grids and cards */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card {
  background: var(--bg-elev); border-radius: var(--radius); padding: 1.5rem;
  border: 1px solid var(--line);
}
.card p:last-child { margin-bottom: 0; }
.card .btn { margin-top: 0.5rem; }
.card h3 { color: var(--text); }
.num { display: block; color: var(--accent); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.1em; margin-bottom: 0.5rem; }

/* Tag cloud */
.tag-cloud { list-style: none; padding: 0; margin: 2rem 0 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag-cloud li {
  padding: 0.35rem 0.85rem; border-radius: 999px; font-size: 0.9rem;
  border: 1px solid var(--accent); color: var(--accent);
}

/* Ecosystems */
.eco-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.eco-list li {
  background: var(--accent); color: #1f2a18; font-weight: 600;
  padding: 0.6rem 1.25rem; border-radius: 999px;
}

/* Stats */
.stats { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.stat { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.stat-value { display: block; font-size: 2.4rem; font-weight: 700; color: var(--accent); line-height: 1.1; }
.stat-label { display: block; color: var(--text-muted); font-size: 0.95rem; margin-top: 0.4rem; }

/* Stories */
.story h3 a { color: var(--text); }
.story h3 a:hover { color: var(--accent-strong); text-decoration: none; }
.story-by { color: var(--text-muted); font-size: 0.85rem; margin-top: auto; margin-bottom: 0.25rem; }
.story-more { font-size: 0.95rem; }
.story { display: flex; flex-direction: column; }
.story-eco { color: var(--accent); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; margin-bottom: 0.4rem; }

/* Principles */
.principles div { color: var(--text-muted); padding: 1rem 0; border-top: 1px solid var(--line); }
.principles strong { color: var(--text); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 2rem; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 2rem 1.5rem; color: var(--text-muted); font-size: 0.95rem; }
.footer-inner p { margin-bottom: 0.4rem; }

/* Role page */
.doc { max-width: 46rem; padding: 3rem 0 4rem; }
.doc h1 { font-size: clamp(2rem, 5vw, 3rem); }
.doc h2 { font-size: 1.5rem; margin-top: 2.5rem; }
.doc h3 { margin-top: 1.5rem; color: var(--text); }
.doc ul, .doc ol { padding-left: 1.4rem; }
.doc li { margin-bottom: 0.4rem; }
.doc .meta { color: var(--text-muted); margin-bottom: 2rem; }
.doc .callout { background: var(--bg-elev); border-left: 3px solid var(--accent); padding: 1rem 1.25rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.5rem 0; }
.doc .callout p:last-child { margin-bottom: 0; }

@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .section { padding: 3rem 0; }
  .hero { padding: 3rem 0; }
}
.footer-note { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem 1.5rem; color: var(--text-muted); font-size: 0.9rem; }