:root {
  --navy: #0A191E;
  --navy-2: #0F232A;
  --lime: #CEF010;
  --branco: #F4F7F5;
  --cinza: #62726F;
  --cinza-claro: #9CA9A6;

  --fonte: 'Sora', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--branco);
  font-family: var(--fonte);
  overflow-x: hidden;
}

/* ---------- topo ---------- */
.topo {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.75rem clamp(1.5rem, 5vw, 4rem);
  mix-blend-mode: difference;
  background: transparent;
  backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease, padding 0.35s ease;
}
.topo--rolado {
  mix-blend-mode: normal;
  background: rgba(10, 25, 30, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(244, 247, 245, 0.08);
  padding-top: 1.15rem;
  padding-bottom: 1.15rem;
}

.topo__marca {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}
.topo__marca span { color: var(--lime); }

.topo__nav { display: flex; gap: 2.5rem; }
.topo__nav a {
  color: var(--branco);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
  transition: opacity 0.25s ease;
}
.topo__nav a:hover { opacity: 1; }

/* ---------- seções genéricas ---------- */
.secao {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 clamp(1.5rem, 6vw, 6rem);
  position: relative;
}
.secao--hero, .secao--contato {
  isolation: isolate;
}

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(.16,.84,.44,1), transform 0.7s cubic-bezier(.16,.84,.44,1);
}
.reveal.ativo { opacity: 1; transform: translateY(0); }
.reveal--1.ativo { transition-delay: 0.05s; }
.reveal--2.ativo { transition-delay: 0.15s; }
.reveal--3.ativo { transition-delay: 0.25s; }
.reveal--4.ativo { transition-delay: 0.35s; }
.reveal--5.ativo { transition-delay: 0.5s; }
.reveal--6.ativo { transition-delay: 0.65s; }

/* ---------- blobs ambiente ---------- */
.secao--hero::before,
.secao--hero::after,
.secao--contato::before {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  z-index: -1;
}
.secao--hero::before {
  width: 38vw;
  height: 38vw;
  top: -10%;
  right: -8%;
  background: radial-gradient(circle, rgba(206,240,16,0.16), transparent 70%);
  animation: flutuar-blob 16s ease-in-out infinite;
}
.secao--hero::after {
  width: 26vw;
  height: 26vw;
  bottom: -12%;
  left: -6%;
  background: radial-gradient(circle, rgba(206,240,16,0.08), transparent 70%);
  animation: flutuar-blob 20s ease-in-out infinite reverse;
}
.secao--contato::before {
  width: 32vw;
  height: 32vw;
  top: 10%;
  right: -10%;
  background: radial-gradient(circle, rgba(206,240,16,0.10), transparent 70%);
  animation: flutuar-blob 18s ease-in-out infinite;
}

@keyframes flutuar-blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-4%, 6%) scale(1.12); }
}

@media (prefers-reduced-motion: reduce) {
  .secao--hero::before, .secao--hero::after, .secao--contato::before {
    animation: none;
  }
}

/* ---------- glow que segue o cursor (hero) ---------- */
.hero__glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    420px circle at var(--x, 50%) var(--y, 30%),
    rgba(206, 240, 16, 0.10),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}
.secao--hero:hover .hero__glow { opacity: 1; }

/* ---------- hero ---------- */
.secao--hero { align-items: flex-start; padding-top: 6rem; padding-bottom: 2rem; }

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -3;
}
.hero__video-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(180deg, rgba(10,25,30,0.78) 0%, rgba(10,25,30,0.94) 100%);
}

.hero__conteudo {
  position: relative;
  z-index: 1;
}

.hero__rotulo {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--lime);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero__titulo {
  display: flex;
  flex-direction: column;
  font-size: clamp(2.6rem, 8.5vw, 6.4rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.hero__titulo .destaque { color: var(--lime); }

.hero__sub {
  margin-top: 2rem;
  max-width: 34ch;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 300;
  color: var(--cinza-claro);
  line-height: 1.5;
}

.hero__scroll {
  position: absolute;
  z-index: 1;
  bottom: 3rem;
  left: clamp(1.5rem, 6vw, 6rem);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cinza-claro);
}
.hero__seta {
  animation: flutuar 1.8s ease-in-out infinite;
  color: var(--lime);
}
@keyframes flutuar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ---------- faixa contínua (marquee) ---------- */
.marquee {
  overflow: hidden;
  background: var(--navy-2);
  border-top: 1px solid rgba(244, 247, 245, 0.08);
  border-bottom: 1px solid rgba(244, 247, 245, 0.08);
  padding: 1.1rem 0;
}
.marquee__trilha {
  display: flex;
  width: max-content;
  animation: marquee 22s linear infinite;
}
.marquee__trilha span {
  flex-shrink: 0;
  padding: 0 2.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cinza-claro);
  position: relative;
}
.marquee__trilha span::after {
  content: '•';
  position: absolute;
  right: -0.15rem;
  color: var(--lime);
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__trilha { animation: none; }
}

/* ---------- lanterna ---------- */
.secao--lanterna {
  background: #000;
  align-items: center;
  text-align: center;
  overflow: hidden;
  cursor: crosshair;
}

.lanterna__farol {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(
    220px circle at var(--lx, 50%) var(--ly, 50%),
    rgba(206, 240, 16, 0.35),
    rgba(206, 240, 16, 0.08) 40%,
    transparent 70%
  );
  mix-blend-mode: screen;
  animation: tremeluzir 5s infinite steps(30);
}

@keyframes tremeluzir {
  0%, 100% { opacity: 0.9; }
  8%  { opacity: 0.55; }
  16% { opacity: 1; }
  24% { opacity: 0.7; }
  32% { opacity: 0.95; }
  48% { opacity: 0.5; }
  60% { opacity: 1; }
  74% { opacity: 0.75; }
  88% { opacity: 0.6; }
}

.lanterna__interruptor-wrap {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(220px circle at var(--lx, 50%) var(--ly, 50%), black 55%, transparent 75%);
  mask-image: radial-gradient(220px circle at var(--lx, 50%) var(--ly, 50%), black 55%, transparent 75%);
}

.lanterna__interruptor {
  position: absolute;
  top: 38%;
  left: 68%;
  pointer-events: auto;
  background: none;
  border: none;
  color: var(--cinza-claro);
  cursor: pointer;
  padding: 0.5rem;
}
.lanterna__interruptor.ligado { color: var(--lime); filter: drop-shadow(0 0 8px var(--lime)); }

.lanterna__logo {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 6vw, 5rem);
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
}
.lanterna__logo.ligado { opacity: 1; transform: scale(1); }
.lanterna__logo img,
.lanterna__logo-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lanterna__dica {
  position: relative;
  z-index: 4;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--cinza);
  transition: opacity 0.4s ease;
}
.secao--lanterna:has(.lanterna__logo.ligado) .lanterna__dica { opacity: 0; }

@media (max-width: 640px) {
  .secao--lanterna { cursor: default; }
}

/* ---------- virada ---------- */
.secao--voo {
  align-items: center;
  text-align: center;
  background: var(--navy);
  overflow: hidden;
}
.secao--voo-abertura {
  justify-content: flex-end;
  padding-bottom: 7rem;
}

.voo__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.voo__video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(10,25,30,0.55) 0%, rgba(10,25,30,0.85) 100%);
}

.voo__texto { position: relative; z-index: 2; }

.voo__titulo {
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--lime);
  margin-bottom: 1rem;
}
.voo__sub {
  color: var(--cinza-claro);
  font-weight: 300;
  font-size: clamp(1rem, 2vw, 1.3rem);
  max-width: 36ch;
  margin: 0 auto;
}


/* ---------- cabeçalhos de seção reutilizáveis ---------- */
.rotulo-secao {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--lime);
  font-weight: 600;
  margin-bottom: 1rem;
}
.titulo-secao {
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 3rem;
  max-width: 16ch;
}

/* ---------- os 3 sistemas ---------- */
.secao--sistemas { background: var(--navy); }

.sistema {
  display: flex;
  gap: clamp(1.5rem, 5vw, 4rem);
  padding: 2.25rem clamp(0.5rem, 2vw, 1.5rem);
  margin: 0 clamp(-0.5rem, -2vw, -1.5rem);
  border-top: 1px solid rgba(244, 247, 245, 0.12);
  border-radius: 12px;
  transition: background 0.3s ease, transform 0.3s ease;
}
.sistema:last-of-type { border-bottom: 1px solid rgba(244, 247, 245, 0.12); }
.sistema:hover {
  background: rgba(206, 240, 16, 0.04);
  transform: translateX(6px);
}
.sistema:hover .sistema__numero { color: var(--lime); }

.sistema__numero {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--cinza);
  flex-shrink: 0;
  min-width: 3ch;
  transition: color 0.3s ease;
}
.sistema__nome {
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 800;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}
.sistema__desc {
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  font-weight: 300;
  color: var(--cinza-claro);
  max-width: 62ch;
  line-height: 1.55;
}

/* ---------- por que BMC ---------- */
.secao--diferenciais { background: var(--navy-2); }

.diferenciais__grade {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}
.diferencial {
  padding: 1.5rem;
  margin: -1.5rem;
  border-radius: 12px;
  transition: background 0.3s ease, transform 0.3s ease;
}
.diferencial:hover {
  background: rgba(206, 240, 16, 0.04);
  transform: translateY(-4px);
}
.diferencial__titulo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--lime);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}
.diferencial__texto {
  font-size: 0.98rem;
  font-weight: 300;
  color: var(--cinza-claro);
  line-height: 1.55;
}

@media (max-width: 800px) {
  .diferenciais__grade { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- planos e preços ---------- */
.secao--precos { background: var(--navy); }

.precos__abas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.aba {
  font-family: var(--fonte);
  background: transparent;
  border: 1px solid rgba(244, 247, 245, 0.2);
  color: var(--cinza-claro);
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.aba:hover { border-color: var(--lime); color: var(--branco); }
.aba.ativa {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--navy);
  font-weight: 600;
}

.precos__grade {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.precos__grade--duas {
  grid-template-columns: repeat(2, minmax(0, 320px));
  justify-content: center;
}
.plano {
  border: 1px solid rgba(244, 247, 245, 0.15);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.plano:hover {
  transform: translateY(-6px);
  border-color: var(--lime);
  box-shadow: 0 12px 30px rgba(206, 240, 16, 0.08);
}
.plano--destaque {
  border-color: var(--lime);
  background: rgba(206, 240, 16, 0.04);
}
.plano__nome {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.plano__limite {
  font-size: 0.85rem;
  color: var(--cinza-claro);
  font-weight: 300;
  margin-bottom: 1.5rem;
}
.plano__valor {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--lime);
}
.plano__valor span {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--cinza-claro);
}
.precos__nota {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--cinza);
}

@media (max-width: 800px) {
  .precos__grade { grid-template-columns: 1fr; }
}

/* ---------- contato ---------- */
.secao--contato { align-items: flex-start; }

.contato__texto {
  max-width: 40ch;
  color: var(--cinza-claro);
  font-weight: 300;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}
.contato__botoes {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.botao {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.botao:hover { transform: translateY(-2px); }
.botao--lime { background: var(--lime); color: var(--navy); }
.botao--contorno {
  border: 1px solid rgba(244, 247, 245, 0.3);
  color: var(--branco);
}

/* ---------- rodapé ---------- */
.rodape {
  padding: 2rem clamp(1.5rem, 6vw, 6rem);
  border-top: 1px solid rgba(244, 247, 245, 0.1);
  font-size: 0.8rem;
  color: var(--cinza);
}

@media (max-width: 640px) {
  .topo__nav { display: none; }
}