:root {
  --ink: #1a1f1c;
  --muted: #4a524c;
  --paper: #f6f3ec;
  --band: #e7efe8;
  --accent: #2f5d4a;
  --line: #d2d8d3;
  --max: 40rem;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, #e8f0ea 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, #efe8df 0%, transparent 45%),
    var(--paper);
  font-family: var(--font);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { color: var(--ink); }

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  padding: 1.25rem 0 0.75rem;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 243, 236, 0.85);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 2;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.brand {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  font-family: var(--sans);
  font-size: 0.92rem;
}

nav a { text-decoration: none; color: var(--muted); }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); text-decoration: underline; }

main { flex: 1; padding: 2.5rem 0 3rem; }

h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

h2 {
  font-family: var(--sans);
  font-size: 1.15rem;
  margin: 2rem 0 0.65rem;
  color: var(--accent);
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.ecosystem {
  margin: 1.75rem 0 0;
  padding: 0.9rem 1rem;
  background: var(--band);
  border-left: 3px solid var(--accent);
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin: 1.75rem 0;
  font-family: var(--sans);
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  background: var(--accent);
  color: #f7faf8 !important;
  text-decoration: none;
  border-radius: 2px;
}
.btn:hover { background: var(--ink); color: #fff !important; }
.btn-ghost {
  display: inline-block;
  padding: 0.65rem 0.2rem;
  color: var(--accent);
}

ul.offer {
  padding-left: 1.2rem;
  margin: 0.5rem 0 0;
}
ul.offer li { margin: 0.4rem 0; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
}
.site-footer .wrap {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.site-footer nav { gap: 0.75rem; }
.site-footer a { color: var(--muted); }

@media (max-width: 560px) {
  .site-header .wrap { flex-direction: column; align-items: flex-start; }
}