/* ==========================================================================
   Landing cinemática do Verificador IBS/CBS.
   Fundo grafite da marca, constelação em canvas, atos que se revelam na
   rolagem. Extende o tema.css (fontes e variáveis da marca).
   ========================================================================== */

:root {
  --grafite-fundo: #211e1f;
  --grafite-palco: #2a2627;
  --texto-claro: #f4f2f2;
  --texto-claro-suave: rgba(244, 242, 242, 0.66);
  --verde-brilho: #3fd3aa;
  --borda-clara: rgba(244, 242, 242, 0.14);
}

html {
  scroll-behavior: smooth;
}

body.landing {
  background: var(--grafite-fundo);
  color: var(--texto-claro);
  overflow-x: hidden;
}

/* Constelação ao fundo */
#ceu {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Logo grafite sobre fundo escuro vira branca */
.logo-clara {
  height: 36px;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

/* ----- Topo ----- */
.landing-topo {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  background: rgba(33, 30, 31, 0.6);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid var(--borda-clara);
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 32px);
}

.landing-nav a {
  color: var(--texto-claro-suave);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s ease;
}

.landing-nav a:hover {
  color: var(--texto-claro);
}

.botao-fantasma {
  padding: 8px 18px;
  border: 1px solid var(--borda-clara);
  border-radius: var(--raio-pequeno);
  color: var(--texto-claro) !important;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.botao-fantasma:hover {
  border-color: var(--verde-brilho);
  background: rgba(63, 211, 170, 0.08);
}

/* ----- Atos ----- */
main {
  position: relative;
  z-index: 1;
}

.ato {
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px clamp(20px, 6vw, 72px) 80px;
}

.sobretitulo {
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--verde-brilho);
  margin: 0 0 18px;
}

.titulo-heroi {
  font-family: var(--fonte-titulo);
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.15;
  color: var(--texto-claro);
  margin: 0 0 22px;
  font-weight: 400;
}

.grifo {
  color: var(--verde-brilho);
  position: relative;
  white-space: nowrap;
}

.subtitulo {
  max-width: 640px;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 300;
  color: var(--texto-claro-suave);
  margin: 0 0 34px;
}

/* ----- Faixa de prazos ----- */
.faixa-prazos {
  display: flex;
  align-items: stretch;
  gap: 14px;
  margin: 0 0 34px;
  flex-wrap: wrap;
  justify-content: center;
}

.prazo {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 300px;
  padding: 16px 22px;
  text-align: left;
  border: 1px solid var(--borda-clara);
  border-left: 3px solid var(--verde-brilho);
  border-radius: var(--raio-medio);
  background: rgba(42, 38, 39, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.prazo-destaque {
  font-family: var(--fonte-titulo);
  font-size: 22px;
  color: var(--verde-brilho);
  line-height: 1.1;
}

.prazo-fatal {
  border-left-color: #f0b45e;
}

.prazo-fatal .prazo-destaque {
  color: #f0b45e;
}

.prazo-texto {
  font-size: 13px;
  font-weight: 300;
  color: var(--texto-claro-suave);
  line-height: 1.5;
}

.acoes-heroi {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 56px;
}

.btn-brilho {
  background: var(--verde);
  color: #fff;
  font-size: 17px;
  padding: 14px 34px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 0 0 0 rgba(48, 176, 142, 0.45);
  transition: transform 0.15s ease, box-shadow 0.4s ease, background 0.2s ease;
}

.btn-brilho:hover {
  background: var(--verde-brilho);
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(63, 211, 170, 0.35);
}

.nota-acao {
  font-size: 13px;
  color: var(--texto-claro-suave);
}

/* Painel das alíquotas */
.painel-aliquotas {
  display: flex;
  align-items: stretch;
  gap: clamp(20px, 5vw, 56px);
  padding: 26px clamp(24px, 5vw, 56px);
  border: 1px solid var(--borda-clara);
  border-radius: var(--raio-grande);
  background: rgba(42, 38, 39, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.aliquota {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.aliquota-numero {
  font-family: var(--fonte-titulo);
  font-size: clamp(44px, 7vw, 72px);
  color: var(--verde-brilho);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.aliquota-pct {
  font-family: var(--fonte-titulo);
  font-size: clamp(22px, 3vw, 32px);
  color: var(--verde-brilho);
}

.aliquota {
  flex-direction: row;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
}

.aliquota-rotulo {
  width: 100%;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.4px;
  color: var(--texto-claro-suave);
}

.divisor-aliquota {
  width: 1px;
  background: var(--borda-clara);
}

.seta-rolar {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  color: var(--texto-claro-suave);
  animation: flutuar 2.4s ease-in-out infinite;
}

.ato-heroi {
  position: relative;
  min-height: 100vh;
}

@keyframes flutuar {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.5; }
  50% { transform: translate(-50%, 10px); opacity: 1; }
}

/* ----- Títulos de ato ----- */
.titulo-ato {
  font-family: var(--fonte-titulo);
  font-size: clamp(28px, 4.5vw, 44px);
  color: var(--texto-claro);
  margin: 0 0 14px;
  font-weight: 400;
}

.texto-ato {
  max-width: 560px;
  color: var(--texto-claro-suave);
  font-weight: 300;
  margin: 0 0 40px;
}

/* ----- Ato 2: varredura do XML ----- */
.xml-palco {
  position: relative;
  max-width: 620px;
  width: 100%;
  border: 1px solid var(--borda-clara);
  border-radius: var(--raio-grande);
  background: var(--grafite-palco);
  overflow: hidden;
  text-align: left;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.xml-codigo {
  margin: 0;
  padding: 28px clamp(18px, 4vw, 36px);
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: clamp(12px, 1.6vw, 14.5px);
  line-height: 1.7;
  color: rgba(244, 242, 242, 0.8);
  overflow-x: auto;
}

.xml-suave { color: var(--texto-claro-suave); }

.linha-alvo {
  padding: 1px 6px;
  border-radius: 6px;
  transition: background 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
}

.linha-alvo.acesa[data-veredito="ok"] {
  background: rgba(63, 211, 170, 0.16);
  color: var(--verde-brilho);
  box-shadow: 0 0 18px rgba(63, 211, 170, 0.25);
}

.linha-alvo.acesa[data-veredito="erro"] {
  background: rgba(232, 161, 60, 0.2);
  color: #f0b45e;
  box-shadow: 0 0 18px rgba(232, 161, 60, 0.3);
}

.feixe {
  position: absolute;
  left: 0;
  right: 0;
  top: -12%;
  height: 60px;
  background: linear-gradient(
    to bottom,
    rgba(63, 211, 170, 0) 0%,
    rgba(63, 211, 170, 0.14) 50%,
    rgba(63, 211, 170, 0) 100%
  );
  border-top: 1px solid rgba(63, 211, 170, 0.35);
  opacity: 0;
  pointer-events: none;
}

.xml-palco.varrendo .feixe {
  opacity: 1;
  animation: varrer 2.8s ease-in-out forwards;
}

@keyframes varrer {
  from { top: -12%; }
  to { top: 104%; }
}

.laudo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 clamp(18px, 4vw, 36px) 24px;
  padding: 12px 16px;
  border-radius: var(--raio-medio);
  background: rgba(232, 161, 60, 0.12);
  border: 1px solid rgba(232, 161, 60, 0.35);
  color: #f0b45e;
  font-size: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.laudo.visivel {
  opacity: 1;
  transform: none;
}

.icone-laudo {
  width: 20px;
  flex-shrink: 0;
}

/* ----- Ato 3: cartões ----- */
.grade-cartoes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  max-width: 1020px;
  width: 100%;
}

.cartao-checagem {
  text-align: left;
  padding: 26px;
  border: 1px solid var(--borda-clara);
  border-radius: var(--raio-grande);
  background: rgba(42, 38, 39, 0.55);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.cartao-checagem:hover {
  transform: translateY(-4px);
  border-color: rgba(63, 211, 170, 0.5);
  background: rgba(48, 176, 142, 0.08);
}

.cartao-checagem h3 {
  font-family: var(--fonte-corpo);
  font-weight: 500;
  font-size: 17px;
  color: var(--texto-claro);
  margin: 14px 0 8px;
}

.cartao-checagem p {
  font-size: 14.5px;
  font-weight: 300;
  color: var(--texto-claro-suave);
  margin: 0;
  line-height: 1.55;
}

.icone-cartao {
  width: 30px;
  color: var(--verde-brilho);
}

/* ----- Ato 4: passos ----- */
.passos {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  max-width: 900px;
  width: 100%;
  counter-reset: passo;
}

.passo {
  text-align: left;
  padding: 26px;
  border-left: 2px solid rgba(63, 211, 170, 0.4);
  background: linear-gradient(to right, rgba(63, 211, 170, 0.05), transparent 60%);
  border-radius: 0 var(--raio-medio) var(--raio-medio) 0;
}

.passo-numero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(63, 211, 170, 0.5);
  color: var(--verde-brilho);
  font-family: var(--fonte-titulo);
  font-size: 19px;
}

.passo h3 {
  font-family: var(--fonte-corpo);
  font-weight: 500;
  font-size: 17px;
  color: var(--texto-claro);
  margin: 14px 0 8px;
}

.passo p {
  font-size: 14.5px;
  font-weight: 300;
  color: var(--texto-claro-suave);
  margin: 0;
}

/* ----- Ato final ----- */
.ato-final {
  min-height: 70vh;
}

.titulo-final {
  font-family: var(--fonte-titulo);
  font-size: clamp(26px, 4.5vw, 46px);
  color: var(--texto-claro);
  line-height: 1.25;
  margin: 0 0 34px;
  font-weight: 400;
}

.assinatura-final {
  margin-top: 26px;
  font-size: 13.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--texto-claro-suave);
}

/* ----- Rodapé ----- */
.landing-rodape {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--borda-clara);
  padding: 40px clamp(20px, 6vw, 72px) 60px;
  text-align: center;
  color: var(--texto-claro-suave);
  font-size: 13.5px;
}

.logo-rodape {
  height: 28px;
  margin-bottom: 14px;
  opacity: 0.7;
}

.landing-rodape p {
  max-width: 520px;
  margin: 0 auto;
}

/* ----- Revelação na rolagem ----- */
.revela {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.revela.visivel {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .revela {
    opacity: 1;
    transform: none;
  }
  #ceu { display: none; }
}

@media (max-width: 640px) {
  .painel-aliquotas {
    flex-direction: column;
    gap: 22px;
  }
  .divisor-aliquota {
    width: 100%;
    height: 1px;
  }
  .landing-nav a:not(.botao-fantasma) {
    display: none;
  }
}