/* Root AI Exec — the public branding site.
   One stylesheet, no build step, no framework. The site exists so Google's consent screen has
   a real identity to point at; it is not the product, and it should not pretend to be. */

:root {
  --bg: #fbfaf8;
  --fg: #1a1a18;
  --muted: #5f5f57;
  --line: #e3e0d8;
  --accent: #2f4f6f;
  --card: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a;
    --fg: #e8e6e1;
    --muted: #9a978f;
    --line: #2a2c33;
    --accent: #8fb3d9;
    --card: #1b1d23;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  margin-bottom: 44px;
}

header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  margin-left: 18px;
}

nav a:hover { color: var(--accent); }

main { padding-bottom: 80px; }

h1 {
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

h2 {
  font-size: 17px;
  margin: 38px 0 10px;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 30px;
}

p, li { color: var(--fg); }

ul { padding-left: 22px; }

li { margin: 7px 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
  margin: 26px 0;
}

.card h2 { margin-top: 0; }

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 30px;
}

a { color: var(--accent); }

footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 60px;
  color: var(--muted);
  font-size: 14px;
}

footer a { color: var(--muted); margin-right: 16px; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
}