:root {
  --bg: #fbfbf9;
  --bg-alt: #f0f2ef;
  --fg: #1d2421;
  --muted: #56615b;
  --accent: #1f6f5c;
  --accent-fg: #ffffff;
  --line: #d6dbd7;
  --warn: #8a5a00;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131715;
    --bg-alt: #1b201d;
    --fg: #e6ebe8;
    --muted: #a3ada7;
    --accent: #5cc0a3;
    --accent-fg: #0d1210;
    --line: #2e3531;
    --warn: #e0b04f;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 640px; }
section { padding: 56px 0; }
section.alt { background: var(--bg-alt); }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 1.6rem; margin: 0 0 12px; }
h3 { font-size: 1.1rem; margin: 8px 0; }

.top { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 1; }
.top .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between; padding-block: 12px; }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 0.95rem; }
nav a { text-decoration: none; }
nav .cta { font-weight: 600; }

.hero { padding: 72px 0 56px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 680px; }
.button, button {
  display: inline-block; background: var(--accent); color: var(--accent-fg);
  border: 0; border-radius: var(--radius); padding: 12px 20px;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}

.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 24px; }
.tiers article { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: var(--bg); }
.tiers ul { padding-left: 20px; margin: 8px 0; }
.tag { font-size: 0.8rem; font-weight: 600; border-radius: 99px; padding: 2px 10px; border: 1px solid currentColor; }
.tag.fixed { color: var(--accent); }
.tag.talk { color: var(--warn); }
.price { font-weight: 600; margin-bottom: 0; }
.note { font-size: 0.9rem; color: var(--muted); }
.callout { border-left: 4px solid var(--accent); padding: 8px 16px; background: var(--bg); }
.todo { background: #ffe58a; color: #3a2e00; padding: 0 4px; border-radius: 4px; }

form fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 0 0 16px; }
legend { font-weight: 600; padding: 0 6px; }
form label { display: block; margin: 8px 0; }
input[type=text], input[type=email], input[type=tel], input[type=number], select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 10px;
  font: inherit; color: var(--fg); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px;
}
.sub { margin: 12px 0 0; }
.hp { position: absolute; left: -9999px; }
.cf-turnstile { margin: 16px 0; }
#status { min-height: 1.6em; }
#status.err { color: #c0392b; }

footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; padding: 24px 0; }