:root {
  --tinta: #0b1220;
  --tinta-2: #111a2e;
  --texto: #1b2333;
  --suave: #5b6578;
  --linha: #e4e8f0;
  --fundo: #ffffff;
  --fundo-2: #f5f7fb;
  --sinal: #22c55e;
  --sinal-escuro: #16a34a;
  --azul: #3b82f6;
  --raio: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--texto);
  background: var(--fundo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { display: block; }
.faixa { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Topo */
.topo { position: sticky; top: 0; z-index: 10; background: rgba(11, 18, 32, .92); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,.06); }
.topo .faixa { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.marca { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: -.01em; }
.marca svg { width: 30px; height: 30px; }
.marca b { color: var(--sinal); font-weight: 800; }
.topo nav { display: flex; align-items: center; gap: 22px; }
.topo nav a { color: #c7cfdd; text-decoration: none; font-size: .95rem; }
.topo nav a:hover { color: #fff; }
.topo nav .cta-mini { background: var(--sinal); color: #06210f; font-weight: 700; padding: 8px 14px; border-radius: 999px; }
.topo nav .cta-mini:hover { background: #4ade80; color: #06210f; }

/* Hero */
.hero { position: relative; overflow: hidden; background: radial-gradient(1200px 500px at 85% -10%, rgba(34,197,94,.22), transparent 60%), radial-gradient(900px 500px at -10% 110%, rgba(59,130,246,.25), transparent 60%), var(--tinta); color: #fff; padding: 84px 0 96px; }
.hero .faixa { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.selo { display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; color: #bfe9cf; background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.35); padding: 6px 12px; border-radius: 999px; }
.selo i { width: 8px; height: 8px; border-radius: 50%; background: var(--sinal); box-shadow: 0 0 0 4px rgba(34,197,94,.25); }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.08; letter-spacing: -.03em; margin: 18px 0 18px; font-weight: 800; }
.hero h1 span { background: linear-gradient(90deg, #4ade80, #60a5fa); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.12rem; color: #c7cfdd; max-width: 560px; margin: 0 0 28px; }
.acoes { display: flex; gap: 12px; flex-wrap: wrap; }
.botao { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 12px; font-weight: 700; text-decoration: none; transition: transform .15s ease, background .15s ease; }
.botao:hover { transform: translateY(-1px); }
.botao.primario { background: var(--sinal); color: #06210f; }
.botao.primario:hover { background: #4ade80; }
.botao.secundario { color: #fff; border: 1px solid rgba(255,255,255,.22); }
.botao.secundario:hover { background: rgba(255,255,255,.06); }
.botao svg { width: 20px; height: 20px; }

/* Celular com conversa */
.celular { justify-self: center; width: 100%; max-width: 340px; background: #0f1729; border: 1px solid rgba(255,255,255,.1); border-radius: 32px; padding: 14px; box-shadow: 0 30px 80px rgba(0,0,0,.45), 0 0 0 8px rgba(255,255,255,.03); }
.celular .barra { display: flex; align-items: center; gap: 10px; padding: 8px 10px 12px; border-bottom: 1px solid rgba(255,255,255,.08); }
.celular .avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, #22c55e, #3b82f6); display: grid; place-items: center; font-weight: 800; font-size: .72rem; color: #fff; }
.celular .nome { font-weight: 700; font-size: .92rem; }
.celular .status { font-size: .75rem; color: #4ade80; }
.conversa { display: flex; flex-direction: column; gap: 8px; padding: 14px 6px 8px; font-size: .88rem; }
.msg { max-width: 82%; padding: 8px 12px; border-radius: 14px; line-height: 1.4; }
.msg.cli { align-self: flex-end; background: #1f6f4a; border-bottom-right-radius: 4px; }
.msg.sec { align-self: flex-start; background: #1d2740; border-bottom-left-radius: 4px; }
.msg small { display: block; font-size: .68rem; opacity: .6; margin-top: 2px; text-align: right; }
.digitando { align-self: flex-start; display: inline-flex; gap: 4px; background: #1d2740; padding: 10px 12px; border-radius: 14px; border-bottom-left-radius: 4px; }
.digitando span { width: 6px; height: 6px; border-radius: 50%; background: #9aa6bd; animation: pisca 1.2s infinite ease-in-out; }
.digitando span:nth-child(2) { animation-delay: .15s; }
.digitando span:nth-child(3) { animation-delay: .3s; }
@keyframes pisca { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

/* Seções */
.secao { padding: 88px 0; }
.secao.cinza { background: var(--fundo-2); }
.titulo-secao { max-width: 680px; margin: 0 0 40px; }
.titulo-secao .rotulo { color: var(--sinal-escuro); font-weight: 700; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.titulo-secao h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); line-height: 1.15; letter-spacing: -.02em; margin: 8px 0 12px; }
.titulo-secao p { color: var(--suave); margin: 0; font-size: 1.05rem; }

.grade { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cartao { background: #fff; border: 1px solid var(--linha); border-radius: var(--raio); padding: 26px; transition: box-shadow .2s ease, transform .2s ease; }
.cartao:hover { box-shadow: 0 14px 40px rgba(15, 23, 42, .08); transform: translateY(-2px); }
.icone { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(34,197,94,.12); color: var(--sinal-escuro); margin-bottom: 16px; }
.icone svg { width: 24px; height: 24px; }
.cartao h3 { margin: 0 0 6px; font-size: 1.08rem; }
.cartao p { margin: 0; color: var(--suave); font-size: .97rem; }

.passos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: passo; }
.passo { position: relative; background: #fff; border: 1px solid var(--linha); border-radius: var(--raio); padding: 26px 22px; }
.passo::before { counter-increment: passo; content: counter(passo); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--tinta); color: #fff; font-weight: 800; font-size: .9rem; margin-bottom: 14px; }
.passo h3 { margin: 0 0 6px; font-size: 1.02rem; }
.passo p { margin: 0; color: var(--suave); font-size: .95rem; }
.aviso { margin-top: 26px; color: var(--suave); font-size: .93rem; display: flex; gap: 10px; align-items: flex-start; }
.aviso svg { width: 18px; height: 18px; flex: none; margin-top: 3px; color: var(--azul); }

.cta { background: linear-gradient(135deg, var(--tinta) 0%, var(--tinta-2) 100%); color: #fff; border-radius: 24px; padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; position: relative; overflow: hidden; }
.cta::after { content: ""; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(34,197,94,.35), transparent 70%); }
.cta h2 { margin: 0 0 6px; font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -.02em; }
.cta p { margin: 0; color: #c7cfdd; }
.cta .botao { position: relative; z-index: 1; }

/* Rodapé */
.rodape { background: var(--tinta); color: #9aa6bd; padding: 36px 0; font-size: .92rem; }
.rodape .faixa { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
.rodape p { margin: 3px 0; }
.rodape a { color: #c7cfdd; }
.rodape .marca { font-size: 1rem; margin-bottom: 6px; }

/* Páginas de documento (privacidade, termos) */
.documento { padding: 56px 20px 80px; max-width: 820px; }
.documento h1 { font-size: 2.1rem; letter-spacing: -.02em; margin-bottom: 4px; }
.documento h2 { font-size: 1.2rem; margin: 30px 0 8px; }
.documento .data { color: var(--suave); margin-top: 0; }
.documento a { color: var(--sinal-escuro); }

/* Telas menores */
@media (max-width: 900px) {
  .hero .faixa { grid-template-columns: 1fr; gap: 44px; }
  .grade { grid-template-columns: 1fr 1fr; }
  .passos { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .topo nav a:not(.cta-mini) { display: none; }
  .hero { padding: 56px 0 64px; }
  .grade, .passos { grid-template-columns: 1fr; }
  .secao { padding: 64px 0; }
  .cta { padding: 32px 24px; }
}