:root {
  --paper: #f6f1e7;
  --card: #fffdf8;
  --ink: #1c1a17;
  --muted: #625c51;
  --rule: #ddd5c5;
  --accent: #0f6b4f;
  --on-accent: #ffffff;
  --off: #e4dccb;
  --error: #b3321c;
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16140f;
    --card: #211e17;
    --ink: #f3eee3;
    --muted: #aaa294;
    --rule: #37322a;
    --accent: #4cc39a;
    --on-accent: #0b2019;
    --off: #3a352b;
    --error: #f08a74;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.55 var(--sans);
}

a { color: inherit; text-underline-offset: 0.15em; }

h1, h2, h3, p, ol, dl, dd, ul { margin: 0; padding: 0; }

.wrap {
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 16px;
}

@media (min-width: 720px) {
  .wrap { padding-inline: 32px; }
}

.bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-block: 24px;
}

.brand {
  font: 600 1.375rem/1 var(--serif);
  text-decoration: none;
}

.tag { color: var(--muted); font-size: 0.9375rem; }

.hero {
  display: grid;
  gap: 48px;
  padding-block: 32px 72px;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 72px;
    align-items: center;
    padding-block: 56px 104px;
  }
}

h1 {
  font: 600 clamp(2.625rem, 7.5vw, 4.25rem)/1.04 var(--serif);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.lede {
  max-width: 34em;
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.1875rem;
}

.signup { max-width: 30rem; margin-top: 32px; }

.signup label { display: block; margin-bottom: 8px; font-weight: 600; }

.row { display: flex; flex-wrap: wrap; gap: 8px; }

input[type="email"] {
  flex: 1 1 14rem;
  min-width: 0;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
}

input[type="email"]::placeholder { color: var(--muted); }

input[aria-invalid="true"] { border-color: var(--error); }

button {
  flex: 0 1 auto;
  min-height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--on-accent);
  font: 600 1rem/1 var(--sans);
  cursor: pointer;
}

@media (max-width: 480px) {
  button { flex-basis: 100%; }
}

button:hover { filter: brightness(1.08); }

button:disabled { opacity: 0.6; cursor: default; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Off-screen rather than display:none, so form-filling bots still see it. */
.trap { position: absolute; left: -9999px; }

.status { min-height: 1.55em; margin-top: 8px; font-weight: 600; color: var(--accent); }

.status.bad { color: var(--error); }

.fine { color: var(--muted); font-size: 0.875rem; }

.phone { margin: 0; justify-self: center; width: 100%; max-width: 340px; }

.screen {
  padding: 28px 22px 24px;
  border: 1px solid var(--rule);
  border-radius: 36px;
  background: var(--card);
  box-shadow: 0 18px 40px -24px rgb(0 0 0 / 0.35);
}

.q-label { color: var(--muted); font-size: 0.8125rem; }

.q { margin-top: 4px; font: 600 1.25rem/1.25 var(--serif); }

.scores { margin-top: 20px; list-style: none; }

.scores li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-block: 10px;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
}

.m { display: inline-flex; gap: 3px; flex: none; }

.m i { width: 14px; height: 8px; border-radius: 2px; background: var(--off); }

.m1 i:nth-child(-n+1),
.m2 i:nth-child(-n+2),
.m3 i:nth-child(-n+3),
.m4 i:nth-child(-n+4) { background: var(--accent); }

.note {
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
  line-height: 1.45;
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.8125rem;
  text-align: center;
}

h2 {
  font: 600 clamp(1.75rem, 4vw, 2.25rem)/1.15 var(--serif);
  letter-spacing: -0.01em;
}

.steps, .scored { padding-block: 56px; border-top: 1px solid var(--rule); }

.steps ol {
  display: grid;
  gap: 32px;
  margin-top: 32px;
  list-style: none;
  counter-reset: step;
}

@media (min-width: 640px) {
  .steps ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 960px) {
  .steps ol { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.steps li { counter-increment: step; }

.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font: 600 1.75rem/1 var(--serif);
  font-variant-numeric: lining-nums;
}

h3 { font-size: 1.0625rem; font-weight: 600; }

.steps p { margin-top: 6px; color: var(--muted); }

.scored dl { margin-top: 24px; }

.scored dl div {
  display: grid;
  gap: 2px 32px;
  padding-block: 16px;
  border-top: 1px solid var(--rule);
}

.scored dl div:first-child { border-top: 0; }

@media (min-width: 720px) {
  .scored dl div { grid-template-columns: 16rem minmax(0, 1fr); }
}

dt { font-weight: 600; }

dd { color: var(--muted); }

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 24px 40px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9375rem;
}