:root {
  --bg: #fbfaf7; --fg: #1d2420; --muted: #5d6862; --card: #ffffff;
  --line: #e4e1d8; --brand: #1f7a4d; --brand-ink: #ffffff; --accent-bg: #e9f4ee;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121614; --fg: #e8ece9; --muted: #9aa69f; --card: #1a201d;
    --line: #2a322e; --brand: #3dbb7c; --brand-ink: #0c1410; --accent-bg: #18291f;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
a { color: var(--brand); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; font-size: 20px; color: var(--fg); text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--brand); }
nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 15px; }
nav a:hover { color: var(--fg); }
.hero { padding: 72px 0 48px; }
.eyebrow { display: inline-block; background: var(--accent-bg); color: var(--brand); font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 99px; }
h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; letter-spacing: -0.03em; margin: 16px 0; max-width: 16ch; }
.lead { font-size: 19px; color: var(--muted); max-width: 56ch; }
.btn { display: inline-block; background: var(--brand); color: var(--brand-ink); text-decoration: none; font-weight: 600; padding: 12px 20px; border-radius: 10px; margin-top: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding: 24px 0 64px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.tag { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
section h2 { font-size: 26px; letter-spacing: -0.02em; margin: 0; }
.legal { max-width: 720px; padding: 48px 0 72px; }
.legal h1 { font-size: 36px; max-width: none; }
.legal h2 { font-size: 20px; margin-top: 32px; }
.legal p, .legal li { color: var(--fg); }
.legal .updated { color: var(--muted); }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 24px 0; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
footer.site a { color: var(--muted); }

/* Signup form */
.signup { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; max-width: 560px; margin: 8px 0 0; }
.signup h2 { font-size: 22px; margin: 0 0 4px; }
.signup p.small { color: var(--muted); font-size: 15px; margin: 0 0 16px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field label { font-size: 14px; font-weight: 600; }
.field input, .field select {
  font: inherit; font-size: 16px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--fg); width: 100%;
}
.field input:focus, .field select:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .row2 { grid-template-columns: 1fr; } }
.signup button { font: inherit; font-weight: 600; border: 0; cursor: pointer; background: var(--brand); color: var(--brand-ink); padding: 12px 20px; border-radius: 10px; width: 100%; }
.signup button[disabled] { opacity: .6; cursor: default; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.msg { margin: 12px 0 0; font-size: 15px; min-height: 1.4em; }
.msg.ok { color: var(--brand); } .msg.err { color: #c0392b; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo img { width: 28px; height: 28px; }
.steps { padding-left: 20px; } .steps li { margin-bottom: 8px; }
.faq h3 { font-size: 17px; margin: 24px 0 4px; }
.faq p { margin: 0; color: var(--muted); }
code { background: var(--accent-bg); padding: 1px 6px; border-radius: 6px; font-size: .92em; }