:root {
  --green: #2E7D32;
  --green-dark: #1B5E20;
  --ink: #1a1a1a;
  --muted: #5f6368;
  --bg: #fafafa;
  --border: #e0e0e0;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--green-dark); }

/* ---------- Landing ---------- */

.hero {
  background: var(--green);
  color: white;
  text-align: center;
  padding: 64px 24px 56px;
}

.hero__icon {
  display: block;
  margin: 0 auto 16px;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.15));
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.hero__beta {
  display: inline-block;
  vertical-align: middle;
  margin-left: 8px;
  padding: 3px 10px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 999px;
  text-transform: uppercase;
}

.hero__tagline {
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 1.125rem;
  opacity: .95;
}

.hero__cta {
  display: inline-block;
  background: white;
  color: var(--green-dark);
  text-decoration: none;
  padding: 14px 36px;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  transition: transform .1s ease, box-shadow .1s ease;
}

.hero__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,0,0,.2);
}

.hero__note {
  margin-top: 16px;
  font-size: .875rem;
  opacity: .8;
}

/* ---------- Sections ---------- */

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}

.section {
  margin-bottom: 40px;
}

.section h2 {
  font-size: 1.375rem;
  margin: 0 0 12px;
  color: var(--green-dark);
}

ol, ul { padding-left: 1.25rem; }
li { margin-bottom: 4px; }

/* ---------- Simple top bar (privacy) ---------- */

.header-simple {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: white;
}

.header-simple__back {
  text-decoration: none;
  font-weight: 500;
  color: var(--green-dark);
}

/* ---------- Prose ---------- */

.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.prose h1 {
  margin: 0 0 4px;
  font-size: 2rem;
  color: var(--green-dark);
}

.prose__updated {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: .875rem;
}

.prose h2 {
  font-size: 1.125rem;
  margin: 32px 0 8px;
  color: var(--green-dark);
}

.prose code {
  background: #eef3ee;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .875em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- Footer ---------- */

footer {
  text-align: center;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .875rem;
  margin-top: 24px;
}

footer a {
  color: var(--muted);
  margin: 0 6px;
}