:root { color-scheme: light; --bg: #f7f5f0; --panel: #ffffff; --soft: #f1efe9; --border: #e3ded3; --text: #22252a;
        --muted: #6b6f76; --accent: #3b5bdb; --accent-soft: #e7ecff; --good-soft: #e6f6ea; --good-text: #1e6b2f;
        --bad-soft: #fdecec; --bad-text: #9b2020; --radius: 14px; }
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --bg: #16181d; --panel: #1f2228; --soft: #2a2d34; --border: #353943; --text: #e6e7ea;
          --muted: #9aa0aa; --accent: #5c7cfa; --accent-soft: #263056; --good-soft: #1b3122; --good-text: #8ce99a;
          --bad-soft: #3a2023; --bad-text: #ffa8a8; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 18px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.25; }
h2 { font-size: 28px; margin: 0 0 20px; }
h3 { font-size: 19px; margin: 0 0 6px; }
p { margin: 0 0 14px; }
.muted { color: var(--muted); }
.small { font-size: 15px; }

header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
         padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
         position: sticky; top: 0; z-index: 5; }
.brand { font-size: 20px; font-weight: 700; color: var(--text); text-decoration: none; }
.brand span { color: var(--accent); }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a { color: var(--text); text-decoration: none; padding: 6px 14px; border-radius: 999px; font-size: 16px;
        font-weight: 500; }
nav a:hover { background: var(--accent-soft); }
nav a.cta { background: var(--accent); color: #fff; }

main { max-width: 1040px; margin: 0 auto; padding: 0 24px 40px; }
section { padding: 48px 0 8px; scroll-margin-top: 64px; }
.hero { padding-top: 64px; max-width: 760px; }
.hero h1 { font-size: 44px; margin: 0 0 18px; letter-spacing: -0.01em; }
.lead { font-size: 21px; }
.button, button { display: inline-block; font: inherit; font-weight: 600; color: #fff; background: var(--accent);
                  border: 0; border-radius: 999px; padding: 12px 26px; text-decoration: none; cursor: pointer; }
.button:hover, button:hover:not(:disabled) { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: default; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.card, .ideas > div, .waitlist { background: var(--panel); border: 1px solid var(--border);
                                 border-radius: var(--radius); padding: 20px 22px; }
.card p, .ideas p { margin: 0; color: var(--muted); }
.ideas { display: grid; gap: 16px; }
.ideas > div { border-left: 5px solid var(--accent); }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.steps li { counter-increment: step; position: relative; padding: 4px 0 4px 52px; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 2px; width: 36px; height: 36px;
                    border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700;
                    display: grid; place-items: center; }

.privacy { padding-left: 22px; margin: 0; }
.privacy li { margin-bottom: 10px; }

.waitlist { margin-top: 48px; padding: 28px 28px 20px; max-width: 640px; }
form { display: grid; gap: 8px; }
label { font-weight: 600; margin-top: 6px; }
input, textarea { font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--border);
                  border-radius: 10px; padding: 10px 12px; width: 100%; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { resize: vertical; }
form button { justify-self: start; margin-top: 4px; }
.error { background: var(--bad-soft); color: var(--bad-text); border-radius: 10px; padding: 10px 14px; margin: 6px 0 0; }
.done { background: var(--good-soft); color: var(--good-text); border-radius: 10px; padding: 16px 18px; }
.done p { margin: 0; }
[hidden] { display: none !important; }

footer { border-top: 1px solid var(--border); padding: 20px 24px 28px; text-align: center; color: var(--muted);
         font-size: 15px; }
footer p { margin: 0; }

@media (max-width: 600px) {
  body { font-size: 17px; }
  header { padding: 10px 16px; }
  nav a:not(.cta) { display: none; }
  main { padding: 0 16px 32px; }
  section { padding-top: 36px; }
  .hero { padding-top: 36px; }
  .hero h1 { font-size: 32px; }
  .lead { font-size: 19px; }
  h2 { font-size: 24px; }
  .waitlist { padding: 22px 18px 16px; }
}