/* Landing (web/index.html). Usa os tokens e os botões de styles.css. */
.lp {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-ui);
}
.lp a:focus-visible,
.lp button:focus-visible,
.lp summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Topo */
.lp-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 24px;
}
.lp-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--f-display);
  font-size: 18px;
  letter-spacing: -0.4px;
}
.lp-brand .brand-mark {
  width: 34px;
  height: 36px;
  padding: 9px;
  gap: 4px;
  border-radius: 10px;
}
.lp-brand .brand-mark i {
  width: 15px;
}
.lp-brand .brand-mark i:nth-child(2) {
  width: 10px;
}
.lp-brand .brand-mark i:nth-child(3) {
  width: 12px;
}
.lp-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 600;
}
.lp-nav a:not(.btn) {
  color: var(--ink);
  text-decoration: none;
}
.lp-nav a:not(.btn):hover {
  color: var(--accent);
}
.lp-nav .btn {
  min-height: 40px;
  padding: 9px 16px;
  font-size: 13px;
}

/* Abertura */
.lp-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 500px);
  gap: 56px;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px 72px;
}
.lp-eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.lp-hero h1 {
  font-family: var(--f-display);
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.04;
  letter-spacing: -2px;
  font-weight: 800;
  margin: 0 0 22px;
}
/* "entenda": sublinhado de marca-texto, como num caderno estudado */
.lp-hero h1 em {
  font-style: normal;
  background: linear-gradient(transparent 62%, color-mix(in srgb, var(--accent) 24%, transparent) 62%, color-mix(in srgb, var(--accent) 24%, transparent) 92%, transparent 92%);
  padding: 0 2px;
}
.lp-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 50ch;
  margin: 0 0 28px;
}
.lp-acoes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
}
.lp-btn-grande {
  min-height: 52px;
  padding: 14px 26px;
  font-size: 15px;
}
.lp-link {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
}
.lp-link:hover {
  text-decoration: underline;
}
.lp-nota {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* Questão de demonstração: uma página do caderno azul */
.demo {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 50px -24px color-mix(in srgb, var(--accent) 45%, transparent);
  overflow: hidden;
  transform: rotate(0.6deg);
}
.demo-faixa {
  display: flex;
  justify-content: space-between;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  padding: 9px 20px;
}
.demo-corpo {
  padding: 20px 24px 22px;
}
.demo-titulo {
  font-family: var(--f-ui);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  margin: 0 0 10px;
}
.demo-enunciado {
  font-family: var(--f-reading);
  font-size: 16px;
  line-height: 1.6;
  margin: 0 0 16px;
}
.demo-opcoes {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.demo-opcoes button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 4px 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: 600 15px var(--f-reading);
  cursor: pointer;
}
.demo-opcoes button:hover:not([aria-disabled]) {
  border-color: var(--accent);
}
.demo-opcoes button[aria-disabled] {
  cursor: default;
}
/* A bolha do cartão-resposta, preenchida a lápis quando marcada */
.bolha {
  position: relative;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font: 700 12px var(--f-ui);
  overflow: hidden;
}
.bolha::before {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 47% 53% 51% 49%;
  background: radial-gradient(circle at 40% 35%, #4a4f5c, #23262e 70%);
  transform: scale(0);
  z-index: -1;
}
.demo-opcoes button {
  isolation: isolate;
}
.marcada .bolha {
  color: #fff;
}
.marcada .bolha::before {
  animation: preencher 0.45s cubic-bezier(0.3, 1.4, 0.5, 1) forwards;
}
.certa {
  border-color: var(--good) !important;
  background: var(--good-soft) !important;
}
.certa .bolha {
  border-color: var(--good);
  color: var(--good);
}
.certa.marcada .bolha {
  color: #fff;
}
.certa.marcada .bolha::before {
  background: var(--good);
}
.errada {
  border-color: var(--bad) !important;
  background: var(--bad-soft) !important;
}
.errada.marcada .bolha::before {
  background: var(--bad);
}
@keyframes preencher {
  from {
    transform: scale(0) rotate(-40deg);
  }
  to {
    transform: scale(1) rotate(0);
  }
}
.demo-veredito {
  margin: 16px 0 0;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
}
.demo-veredito.ok {
  background: var(--good-soft);
  color: var(--good);
}
.demo-veredito.no {
  background: var(--bad-soft);
  color: var(--bad);
}
.demo-resolucao {
  margin-top: 14px;
  font-family: var(--f-reading);
  font-size: 15px;
  line-height: 1.6;
}
.demo-resolucao summary {
  font-family: var(--f-ui);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
  cursor: pointer;
}
.demo-resolucao ul {
  padding-left: 20px;
  margin: 8px 0;
}
.demo-resolucao p {
  margin: 8px 0;
}
/* Com JavaScript, a resolução só aparece depois de responder */
.demo-js:not(.respondida) .demo-resolucao {
  display: none;
}
.demo-js .demo-resolucao summary {
  display: none;
}
.demo-mais {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--f-ui);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
}

/* Seções */
.lp-secao {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px;
  border-top: 1px solid var(--line);
}
.lp-secao h2,
.lp-final h2 {
  font-family: var(--f-display);
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: -1px;
  font-weight: 800;
  margin: 0 0 28px;
}
.lp-recursos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 40px;
  margin: 0;
}
.lp-recursos dt {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 8px;
}
.lp-recursos dd {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}
.lp-passos {
  list-style: none;
  counter-reset: passo;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 0;
  margin: 0;
}
.lp-passos li {
  counter-increment: passo;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.lp-passos li::before {
  content: counter(passo);
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 14px;
}
.lp-passos h3 {
  font-family: var(--f-display);
  font-size: 17px;
  margin: 0 0 6px;
}
.lp-passos p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}
.lp-planos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}
.lp-plano {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
}
.lp-plano-destaque {
  border: 2px solid var(--accent);
}
.lp-plano h3 {
  font-family: var(--f-display);
  font-size: 16px;
  margin: 0 0 8px;
}
.lp-preco {
  font-family: var(--f-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0;
}
.lp-preco span {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}
.lp-equivale {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}
.lp-plano ul {
  flex: 1;
  margin: 18px 0 22px;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}
.lp-plano ul li + li {
  margin-top: 6px;
}
.lp-plano .btn {
  font-size: 14px;
}
.lp-garantia {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
}
.lp-faq {
  max-width: 760px;
}
.lp-faq details {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.lp-faq summary {
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
}
.lp-faq p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 15px;
}
.lp-faq a {
  color: var(--accent);
}
.lp-final {
  max-width: 1120px;
  margin: 0 auto 56px;
  padding: 48px 24px;
  text-align: center;
  background: var(--accent-soft);
  border-radius: 20px;
}
.lp-final h2 {
  margin-bottom: 22px;
}
.lp-rodape {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 24px 40px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.lp-rodape a {
  color: var(--accent);
}

@media (max-width: 960px) {
  .lp-hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 24px;
  }
  .demo {
    transform: none;
  }
  .lp-recursos,
  .lp-passos,
  .lp-planos {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .lp-top,
  .lp-hero,
  .lp-secao,
  .lp-rodape {
    padding-left: 16px;
    padding-right: 16px;
  }
  .lp-final {
    margin: 0 16px 40px;
  }
  .lp-nav a:not(.btn):not(.lp-entrar) {
    display: none;
  }
  .lp-nav {
    gap: 12px;
  }
  .lp-brand {
    font-size: 15px;
    gap: 8px;
    white-space: nowrap;
  }
  .lp-brand .brand-mark {
    width: 28px;
    height: 30px;
    padding: 7px;
  }
  .lp-nav .btn {
    white-space: nowrap;
    padding: 8px 12px;
  }
  .lp-recursos,
  .lp-passos,
  .lp-planos {
    grid-template-columns: 1fr;
  }
  .demo-corpo {
    padding: 18px 16px;
  }
  .demo-opcoes {
    gap: 6px;
  }
  .lp-hero h1 {
    letter-spacing: -1.2px;
  }
}
@media (max-width: 380px) {
  .lp-nav .lp-entrar {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .marcada .bolha::before {
    animation: none;
    transform: scale(1);
  }
}