:root {
  --bg: #f7f6f2;
  --fg: #1c1d1a;
  --muted: #5d6058;
  --line: #dedcd3;
  --card: #ffffff;
  --accent: #176b5b;
  --accent-fg: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141513;
    --fg: #ecebe6;
    --muted: #a3a59c;
    --line: #2d2f2a;
    --card: #1c1d1a;
    --accent: #3fae95;
    --accent-fg: #0d1512;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
main { max-width: 60rem; margin: 0 auto; padding: 0 1rem 4rem; }
.bar { max-width: 60rem; margin: 0 auto; padding: 1.25rem 1rem; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--fg); text-decoration: none; letter-spacing: -0.01em; }
.hero { padding: 3.5rem 0 3rem; max-width: 40rem; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 0.75rem; }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; letter-spacing: -0.025em; margin: 0 0 1rem; }
.lede { color: var(--muted); font-size: 1.15rem; margin: 0 0 2rem; }
.join { display: flex; gap: 0.5rem; flex-wrap: wrap; }
input[type="email"] {
  flex: 1 1 16rem; min-width: 0; padding: 0.8rem 0.9rem; font: inherit; color: var(--fg);
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
}
input[type="email"]:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button {
  padding: 0.8rem 1.2rem; font: inherit; font-weight: 600; cursor: pointer;
  color: var(--accent-fg); background: var(--accent); border: 0; border-radius: 10px;
}
.fine { color: var(--muted); font-size: 0.85rem; margin-top: 0.75rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.grid article, .card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.25rem 1.4rem; }
.grid h2 { font-size: 1.05rem; margin: 0 0 0.4rem; }
.grid p { color: var(--muted); margin: 0; font-size: 0.95rem; }
.card { max-width: 32rem; margin: 3rem 0; }
.card h1 { font-size: 1.6rem; }
.foot { max-width: 60rem; margin: 0 auto; padding: 2rem 1rem 3rem; color: var(--muted); font-size: 0.9rem; border-top: 1px solid var(--line); }
.sr, .hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }