.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.container-estreito { max-width: 760px; }

/* Topo */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 14, 26, .82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-conteudo { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 500; font-size: .95rem; }
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero { padding: 80px 0 90px; background: radial-gradient(900px 500px at 85% 20%, rgba(124, 108, 255, .18), transparent 60%); }
.hero-grade { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.selo {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: .85rem; font-weight: 600;
  color: var(--accent-2); background: rgba(34, 211, 238, .1); border: 1px solid rgba(34, 211, 238, .25);
}
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.1; letter-spacing: -0.03em; margin: 18px 0; }
.grad { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-texto { font-size: 1.12rem; color: var(--muted); max-width: 520px; }
.hero-acoes { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 12px; }
.hero-nota { font-size: .9rem; color: var(--muted); }

/* TV de demonstração */
.tv-demo { display: grid; justify-items: center; }
.tv-moldura {
  position: relative; width: 100%; aspect-ratio: 16 / 9; border-radius: 16px; overflow: hidden;
  background: #000; border: 10px solid #1d2335; box-shadow: 0 30px 80px rgba(0, 0, 0, .55), 0 0 0 1px var(--line);
}
.tv-pe { width: 30%; height: 14px; margin-top: 6px; border-radius: 0 0 10px 10px; background: #1d2335; }
.tv-slide {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center; gap: 4px; padding: 20px;
  opacity: 0; animation: slide 12s infinite;
}
.tv-slide small { text-transform: uppercase; letter-spacing: .15em; font-weight: 700; font-size: clamp(.7rem, 1.4vw, .9rem); opacity: .85; }
.tv-slide strong { font-size: clamp(1.8rem, 5vw, 3.4rem); line-height: 1.05; letter-spacing: -0.02em; }
.tv-slide span { font-size: clamp(.8rem, 1.6vw, 1.05rem); opacity: .9; }
.s1 { background: linear-gradient(135deg, #ff4d6d, #ff9f1c); }
.s2 { background: linear-gradient(135deg, #0f766e, #22c55e); animation-delay: 4s; }
.s3 { background: linear-gradient(135deg, #4338ca, #7c6cff); animation-delay: 8s; }
@keyframes slide {
  0% { opacity: 0; transform: scale(1.04); }
  5%, 30% { opacity: 1; transform: scale(1); }
  36%, 100% { opacity: 0; }
}

/* Seções */
.secao { padding: 90px 0; }
.secao-escura { background: var(--surface); border-block: 1px solid var(--line); }
.titulo { font-size: clamp(1.7rem, 3.4vw, 2.4rem); letter-spacing: -0.02em; text-align: center; margin: 0 0 10px; }
.subtitulo { text-align: center; color: var(--muted); margin: 0 0 48px; }

.passos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.passo { padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.passo-num {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--gradient); color: #fff; font-weight: 800;
}
.passo h3 { margin: 16px 0 6px; }
.passo p { margin: 0; color: var(--muted); }

.recursos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.recurso { padding: 24px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); }
.recurso h3 { margin: 0 0 6px; font-size: 1.08rem; }
.recurso p { margin: 0; color: var(--muted); }

/* Planos */
.planos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.plano {
  position: relative; display: flex; flex-direction: column; padding: 32px 28px;
  border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line);
}
.plano-destaque { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 20px 60px rgba(124, 108, 255, .2); }
.plano-tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  padding: 4px 14px; border-radius: 999px; background: var(--gradient); color: #fff; font-size: .8rem; font-weight: 700;
}
.plano h3 { margin: 0; font-size: 1.3rem; }
.plano-desc { margin: 4px 0 18px; color: var(--muted); }
.preco { font-size: 2.6rem; font-weight: 800; margin: 0 0 18px; letter-spacing: -0.03em; }
.preco small { font-size: 1rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.preco-texto { font-size: 1.8rem; }
.preco:has(+ .preco-exemplo) { margin-bottom: 4px; }
.preco-exemplo { margin: 0 0 18px; font-size: .88rem; color: var(--accent-2); font-weight: 600; }
.plano ul { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px; flex: 1; }
.plano li { padding-left: 26px; position: relative; }
.plano li::before { content: '✓'; position: absolute; left: 0; color: var(--ok); font-weight: 800; }

/* Downloads */
.downloads { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.download { padding: 28px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); text-align: center; }
.download h3 { margin: 0 0 6px; }
.download p { color: var(--muted); margin: 0 0 20px; }

/* Perguntas */
details { border-bottom: 1px solid var(--line); padding: 18px 4px; }
summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Rodapé */
.rodape { padding: 48px 0; border-top: 1px solid var(--line); }
.rodape-conteudo { display: grid; justify-items: center; gap: 12px; text-align: center; }
.rodape p { margin: 0; color: var(--muted); }
.rodape small { color: var(--muted); }

@media (max-width: 900px) {
  .hero-grade { grid-template-columns: 1fr; }
  .passos, .recursos, .planos, .downloads { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero { padding: 48px 0 64px; }
  .secao { padding: 64px 0; }
}