/* =============================================================================
   css/style.css — PÁGINA DE DIVULGAÇÃO DO SENTRIX
   =============================================================================
   O QUE ESTE ARQUIVO GUARDA
     • Cores (tokens no :root), tipografia, seções, cartões e botões.
     • Cabeçalho que nasce branco e fica azul ao rolar (mesmo efeito do sistema,
       controlado pelo js/main.js com a classe .rolado).
     • Botão de WhatsApp do rodapé e o flutuante.
   O QUE VOCÊ EDITA AQUI
     • Cores: bloco :root. Cabeçalho rolado: bloco "CABEÇALHO · ROLADO".
   ============================================================================= */

:root {
    --azul: #081F45;
    --azul-2: #0B2A5C;
    --azul-card: #0E2B57;
    --azul-borda: #1E3F70;
    --ciano: #38BDF8;
    --ciano-claro: #7DD3FC;
    --link: #0369A1;
    --fundo: #F4F7FB;
    --branco: #FFFFFF;
    --texto: #0B1B33;
    --texto-2: #4A5568;
    --texto-claro: #BFD3EA;
    --texto-apagado: #8FA8C8;
    --borda: #DCE4EF;
    --whats: #25D366;
    --whats-escuro: #1DA851;
    --rosa: #F43F5E;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--fundo); font-family: 'Manrope', system-ui, sans-serif; color: var(--texto); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
a { color: var(--link); }
img, svg { display: block; }

.container { max-width: 1200px; margin: 0 auto; }
.secao { padding: 88px 24px; }
.secao-escura { background: var(--azul); color: #F4F7FB; }
.secao-branca { background: var(--branco); border-top: 1px solid var(--borda); border-bottom: 1px solid var(--borda); }
.pilha { display: flex; flex-direction: column; gap: 40px; }
.titulo-secao { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
.rotulo { font-size: 14px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--link); }
.secao-escura .rotulo, .origem .rotulo { color: var(--ciano); }
.h2 { font-size: 40px; line-height: 1.15; font-weight: 800; }
.texto { font-size: 18px; line-height: 1.6; color: var(--texto-2); }
.grade { display: flex; flex-wrap: wrap; gap: 20px; }

/* ----- Botões ----------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 28px; border-radius: 999px;
       font-weight: 800; font-size: 16px; text-decoration: none; cursor: pointer; border: 1px solid transparent;
       transition: transform .18s ease, background-color .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-ciano { background: var(--ciano); color: #06142E; }
.btn-ciano:hover { background: var(--ciano-claro); color: #06142E; box-shadow: 0 12px 28px -10px rgba(56,189,248,.65); }
.btn-contorno { border-color: #3B5C8C; color: #F4F7FB; font-weight: 700; }
.btn-contorno:hover { border-color: var(--ciano-claro); color: #FFFFFF; background: rgba(255,255,255,.06); }
.btn-whats { background: var(--whats); color: #FFFFFF; }
.btn-whats:hover { background: var(--whats-escuro); color: #FFFFFF; box-shadow: 0 12px 28px -10px rgba(37,211,102,.7); }
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* =============================================================================
   CABEÇALHO · NO TOPO (branco, igual ao sistema com a página parada)
   ============================================================================= */
.cabecalho {
    position: sticky; top: 0; z-index: 50;
    background: #FFFFFF; border-bottom: 1px solid #E2E8F0;
    transition: background-color .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.cabecalho-linha { max-width: 1200px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.marca-icone {
    width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
    background: var(--azul); color: #FFFFFF; border: 1px solid rgba(30,58,138,.2);
    transition: background-color .3s ease, color .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.marca-icone svg { width: 26px; height: 26px; }
.marca-textos { display: flex; align-items: center; gap: 12px; }
.marca-nome { font-size: 19px; font-weight: 800; letter-spacing: 5px; color: #0F172A; transition: color .3s ease; }
.marca-separador { height: 26px; border-left: 1px solid #E2E8F0; transition: border-color .3s ease; }
.marca-slogan { font-size: 12.5px; font-weight: 600; color: #64748B; transition: color .3s ease; }

.menu { display: flex; align-items: center; gap: 6px; font-size: 14.5px; font-weight: 700; }
.menu-link { padding: 9px 14px; border-radius: 12px; color: #334155; text-decoration: none; border: 1px solid transparent;
             transition: background-color .2s ease, color .2s ease, border-color .2s ease; }
.menu-link:hover { background: #F1F5F9; color: var(--azul); }
.menu-link.ativo { background: #EFF6FF; color: #1E3A8A; border-color: #BFDBFE; }
.menu-cta { margin-left: 8px; display: inline-flex; align-items: center; min-height: 42px; padding: 0 20px; border-radius: 999px;
            background: var(--azul); color: #FFFFFF; text-decoration: none; font-weight: 800; transition: background-color .3s ease, color .3s ease, transform .18s ease; }
.menu-cta:hover { transform: translateY(-1px); background: #0d2a5c; color: #FFFFFF; }
.menu-botao { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid #E2E8F0; background: #F8FAFC;
              color: var(--azul); cursor: pointer; align-items: center; justify-content: center; transition: all .3s ease; }
.menu-botao svg { width: 22px; height: 22px; }

/* Barra de progresso da leitura (fina, no pé do cabeçalho) */
.progresso { position: absolute; left: 0; bottom: -1px; height: 2px; width: 0; background: linear-gradient(90deg, var(--ciano), var(--ciano-claro)); transition: width .1s linear; }

/* =============================================================================
   CABEÇALHO · ROLADO (azul do sistema — base.js > tratarRolagemCabecalhoGlobal)
   ============================================================================= */
.cabecalho.rolado { background: var(--azul); border-color: #1E3A8A; box-shadow: 0 20px 25px -5px rgba(2,8,23,.35), 0 8px 10px -6px rgba(2,8,23,.3); }
.cabecalho.rolado .marca-icone { background: #FFFFFF; color: var(--azul); border-color: #FFFFFF; box-shadow: 0 4px 6px -1px rgba(0,0,0,.2); }
.cabecalho.rolado .marca-nome { color: #FFFFFF; }
.cabecalho.rolado .marca-separador { border-color: rgba(255,255,255,.2); }
.cabecalho.rolado .marca-slogan { color: #BFDBFE; }
.cabecalho.rolado .menu-link { color: #FFFFFF; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); }
.cabecalho.rolado .menu-link:hover { background: rgba(255,255,255,.18); }
.cabecalho.rolado .menu-link.ativo { background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.35); }
.cabecalho.rolado .menu-cta { background: var(--ciano); color: #06142E; }
.cabecalho.rolado .menu-cta:hover { background: var(--ciano-claro); }
.cabecalho.rolado .menu-botao { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); color: #FFFFFF; }

/* ----- Hero ------------------------------------------------------------- */
.hero { background: var(--azul); color: #F4F7FB; padding: 80px 24px 104px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(600px 400px at 85% 10%, rgba(56,189,248,.16), transparent 70%),
                radial-gradient(500px 360px at 0% 100%, rgba(125,211,252,.08), transparent 70%); }
.hero .container { position: relative; display: flex; flex-wrap: wrap; gap: 56px; align-items: center; }
.hero-texto { flex: 1 1 460px; display: flex; flex-direction: column; gap: 24px; }
.hero h1 { font-size: 64px; line-height: 1.04; font-weight: 300; letter-spacing: -1px; }
.hero h1 b { font-weight: 800; color: var(--ciano-claro); }
.hero-sub { font-size: 20px; line-height: 1.6; color: var(--texto-claro); max-width: 540px; }
.botoes { display: flex; flex-wrap: wrap; gap: 12px; }

.painel { flex: 1 1 440px; background: var(--azul-card); border: 1px solid var(--azul-borda); border-radius: 24px; padding: 28px;
          display: flex; flex-direction: column; gap: 20px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.6); }
.painel-topo { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.painel-rotulo { font-size: 13px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--texto-apagado); }
.ao-vivo { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--texto-apagado); }
.ao-vivo i { width: 7px; height: 7px; border-radius: 50%; background: #34D399; box-shadow: 0 0 0 3px rgba(52,211,153,.25); animation: pulso 1.8s ease-in-out infinite; }
.etapas { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.etapa { display: flex; flex-direction: column; gap: 8px; }
.etapa p { font-size: 12px; font-weight: 800; color: var(--texto-claro); text-align: center; }
.lote { height: 30px; border-radius: 8px; transform-origin: left; animation: entrar .7s cubic-bezier(.2,.8,.2,1) both; }
.lote-1 { background: #16386B; } .lote-2 { background: #1F5FA8; } .lote-3 { background: var(--ciano); } .lote-4 { background: var(--ciano-claro); }
.lote-desvio { background: var(--rosa); animation: entrar .7s cubic-bezier(.2,.8,.2,1) both, alerta 2.4s ease-in-out 1s infinite; }
.atencao { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--azul-borda); padding-top: 18px; }
.alerta { display: flex; justify-content: space-between; gap: 12px; border-radius: 12px; padding: 12px 14px; font-size: 15px; }
.alerta-desvio { background: #3A1430; color: #FBCFE8; } .alerta-desvio b { color: #FDA4AF; }
.alerta-parado { background: #13325F; color: var(--texto-claro); } .alerta-parado b { color: var(--ciano-claro); }

/* ----- Cartões ---------------------------------------------------------- */
.card { flex: 1 1 250px; background: var(--branco); border: 1px solid var(--borda); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 10px;
        transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px -18px rgba(8,31,69,.28); border-color: #BFD3EA; }
.card h3 { font-size: 20px; font-weight: 800; }
.card p { font-size: 16px; line-height: 1.6; color: var(--texto-2); }
.card-claro { background: #F8FAFD; }
.card-icone { width: 52px; height: 52px; border-radius: 14px; background: #E0F2FE; color: var(--link); display: flex; align-items: center; justify-content: center;
              transition: background-color .25s ease, color .25s ease; }
.card-icone svg { width: 28px; height: 28px; }
.card:hover .card-icone { background: var(--azul); color: #FFFFFF; }
.card-escuro { background: var(--azul-card); border-color: var(--azul-borda); }
.card-escuro p { color: var(--texto-claro); }
.card-escuro:hover { border-color: var(--ciano); box-shadow: 0 18px 36px -18px rgba(0,0,0,.6); }

/* ----- Passos ----------------------------------------------------------- */
.passos { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 20px; }
.passos li { flex: 1 1 190px; border-top: 4px solid; padding-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.passos .num { font-size: 32px; font-weight: 300; color: var(--link); }
.passos h3 { font-size: 19px; font-weight: 800; }
.passos p { font-size: 15px; line-height: 1.6; color: var(--texto-2); }

/* ----- Desvio ----------------------------------------------------------- */
.duas-colunas { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.duas-colunas > div { flex: 1 1 420px; }
.lista { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 10px; font-size: 17px; line-height: 1.6; color: var(--texto-2); }
.medicoes { background: var(--branco); border: 1px solid var(--borda); border-radius: 20px; padding: 28px; display: flex; flex-direction: column; gap: 14px; box-shadow: 0 24px 48px -30px rgba(8,31,69,.35); }
.medicao { display: flex; justify-content: space-between; align-items: center; gap: 12px; border-bottom: 1px solid #E6ECF3; padding-bottom: 12px; font-size: 17px; }
.medicao:last-child { border-bottom: 0; padding-bottom: 0; }
.valor { font-size: 16px; font-weight: 800; border-radius: 10px; padding: 6px 14px; white-space: nowrap; }
.valor-ok { background: #E8F5EE; color: #14532D; }
.valor-fora { background: #FDE8EC; color: #9F1239; border: 2px solid var(--rosa); animation: alerta 2.4s ease-in-out infinite; }

/* ----- Segurança, origem, planos, FAQ ---------------------------------- */
.itens { display: flex; flex-wrap: wrap; gap: 28px 40px; }
.item { flex: 1 1 300px; display: flex; flex-direction: column; gap: 6px; padding-left: 16px; border-left: 3px solid var(--ciano); }
.item h3 { font-size: 19px; font-weight: 800; }
.item p { font-size: 16px; line-height: 1.6; color: var(--texto-2); }
.origem { background: var(--azul-2); color: #F4F7FB; }
.origem h2 { font-size: 40px; line-height: 1.25; font-weight: 300; }
.origem h2 b { font-weight: 800; color: var(--ciano-claro); }
.plano-destaque { background: var(--azul); color: #F4F7FB; border-color: var(--azul); }
.plano-destaque p { color: var(--texto-claro); }
.plano-destaque .rotulo-card { color: var(--ciano); }
.rotulo-card { font-size: 13px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: #6B7A90; }
.faq { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq h2 { font-size: 32px; font-weight: 800; margin-bottom: 10px; }
details { background: var(--branco); border: 1px solid var(--borda); border-radius: 14px; padding: 18px 22px; transition: border-color .2s ease, box-shadow .2s ease; }
details[open] { border-color: #BFD3EA; box-shadow: 0 10px 24px -16px rgba(8,31,69,.3); }
summary { font-size: 17px; font-weight: 800; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--link); transition: transform .2s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { font-size: 16px; line-height: 1.6; color: var(--texto-2); padding-top: 10px; }

.contato { padding: 96px 24px; }
.contato .container { max-width: 1000px; display: flex; flex-direction: column; gap: 24px; align-items: flex-start; }
.contato h2 { font-size: 48px; line-height: 1.1; font-weight: 300; }
.contato h2 b { font-weight: 800; color: var(--ciano-claro); }

/* =============================================================================
   RODAPÉ (com botão de WhatsApp)
   ============================================================================= */
.rodape { background: #06142E; color: var(--texto-apagado); padding: 40px 24px 28px; }
.rodape-topo { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid #13284A; }
.rodape-marca { display: flex; align-items: center; gap: 12px; }
.rodape-marca .marca-icone { width: 40px; height: 40px; background: #FFFFFF; color: var(--azul); border-color: #FFFFFF; }
.rodape-marca strong { display: block; color: #FFFFFF; font-size: 17px; letter-spacing: 4px; }
.rodape-marca span { font-size: 13px; }
.rodape-whats { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.rodape-whats p { font-size: 15px; color: var(--texto-claro); }
.rodape-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 20px; font-size: 14px; }

/* WhatsApp flutuante (aparece depois do topo, some perto do rodapé) */
.whats-flutuante { position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 58px; height: 58px; border-radius: 50%;
    background: var(--whats); color: #FFFFFF; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 14px 30px -10px rgba(37,211,102,.8); opacity: 0; transform: translateY(16px) scale(.9); pointer-events: none;
    transition: opacity .3s ease, transform .3s ease, background-color .2s ease; }
.whats-flutuante svg { width: 30px; height: 30px; }
.whats-flutuante.visivel { opacity: 1; transform: none; pointer-events: auto; }
.whats-flutuante:hover { background: var(--whats-escuro); transform: scale(1.06); }
.whats-flutuante::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--whats); animation: onda 2.4s ease-out infinite; }

/* ----- Animações -------------------------------------------------------- */
.revelar { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.revelar.visivel { opacity: 1; transform: none; }
@keyframes entrar { from { transform: scaleX(0); opacity: 0; } to { transform: scaleX(1); opacity: 1; } }
@keyframes alerta { 0%,100% { box-shadow: 0 0 0 0 rgba(244,63,94,0); } 50% { box-shadow: 0 0 0 6px rgba(244,63,94,.22); } }
@keyframes pulso { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes onda { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.6); opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .revelar { opacity: 1; transform: none; }
}

/* ----- Telas menores ---------------------------------------------------- */
@media (max-width: 980px) {
    .marca-separador, .marca-slogan { display: none; }
    .menu-botao { display: inline-flex; }
    .menu { position: absolute; top: 100%; left: 12px; right: 12px; flex-direction: column; align-items: stretch; gap: 4px;
            background: #FFFFFF; border-radius: 18px; padding: 10px; box-shadow: 0 24px 48px -12px rgba(15,23,42,.35); display: none; }
    .menu.aberto { display: flex; }
    .cabecalho.rolado .menu { background: var(--azul-2); }
    .menu-cta { margin: 6px 0 0; justify-content: center; }
}
@media (max-width: 640px) {
    .secao { padding: 64px 16px; }
    .hero { padding: 56px 16px 72px; }
    .hero h1 { font-size: 44px; }
    .h2, .origem h2 { font-size: 30px; }
    .contato h2 { font-size: 36px; }
    .cabecalho-linha { padding: 12px 16px; }
    .etapa p { font-size: 10px; }
    .rodape-whats .btn { width: 100%; }
}