/* Visual "Impacto" do app, em todas as páginas do site. Só fontes do sistema (sem CDN). */
:root {
  color-scheme: dark;
  --bg: #0a0a0b;
  --surface: #161618;
  --surface-2: #1c1c1f;
  --line: #26262a;
  --text: #f4f4f5;
  --soft: #c4c4cc;
  --muted: #8a8a93;
  --lime: #c6ff3d;
  --on-lime: #0a0a0b;
  --red: #ff3b3b;
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
main {
  max-width: 30rem;
  margin: 0 auto;
  padding: 28px 16px 40px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 900;
  letter-spacing: 0.04em;
  margin-bottom: 36px;
}
.brand b span {
  color: var(--lime);
}
h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 9vw, 2.6rem);
  line-height: 0.98;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  outline: none;
}
h1 .accent {
  color: var(--lime);
  display: block;
}
p {
  margin: 0 0 14px;
  color: var(--soft);
}
.muted {
  color: var(--muted);
  font-size: 0.92rem;
}
.card {
  background: var(--surface);
  border-radius: 24px;
  padding: 18px 18px 6px;
  margin: 22px 0;
}
.card h2 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
}
.card ul,
.card ol {
  margin: 0 0 12px;
  padding-left: 1.1rem;
  color: var(--soft);
}
.card li {
  margin-bottom: 8px;
}
.code {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  font-variant-numeric: tabular-nums;
  color: var(--lime);
  background: var(--surface);
  border-radius: 20px;
  padding: 14px 18px;
  margin: 8px 0 4px;
  text-align: center;
  user-select: all;
}
.agree {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}
.agree input {
  appearance: none;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  margin: 0;
  border-radius: 10px;
  border: 2px solid var(--line);
  background: var(--surface-2);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.agree input:checked {
  background: var(--lime);
  border-color: var(--lime);
}
.agree input:checked::after {
  content: "";
  width: 12px;
  height: 7px;
  border-left: 3px solid var(--on-lime);
  border-bottom: 3px solid var(--on-lime);
  transform: translateY(-2px) rotate(-45deg);
}
.agree input:focus-visible,
button:focus-visible,
.button:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}
button,
.button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 60px;
  border: none;
  border-radius: 32px;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  margin-top: 10px;
}
.primary {
  background: var(--lime);
  color: var(--on-lime);
}
.secondary {
  background: var(--surface-2);
  color: var(--text);
}
button:disabled {
  background: var(--surface-2);
  color: var(--muted);
  cursor: not-allowed;
}
.error {
  background: rgba(46, 14, 14, 0.58);
  color: var(--red);
  border-radius: 16px;
  padding: 12px 14px;
  font-weight: 700;
  margin-top: 12px;
}
.done {
  width: 72px;
  height: 72px;
  border-radius: 36px;
  background: var(--lime);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}
.done.no {
  background: var(--surface-2);
}
.hero-mark {
  margin: 8px 0 28px;
}
