/* Franco Rastreamento Veicular - site institucional */
:root {
  --marinho: #0C2141; --marinho-2: #172D4D; --azul: #1D4173; --azul-hover: #163560;
  --azul-medio: #3C72A1; --ciano: #7FC4FF;
  --fundo: #FFFFFF; --cinza: #EEF2F6; --borda: #D5DDE5; --texto: #0C2141; --disc: #5A6B7D;
  --whats: #1FAF5A; --vermelho: #C8423B;
  --titulo: "Montserrat", system-ui, sans-serif;
  --corpo: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --sombra: 0 2px 4px rgba(12,33,65,.05), 0 10px 30px rgba(12,33,65,.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--fundo); color: var(--texto); font: 16px/1.6 var(--corpo); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul-medio); }
h1, h2, h3 { font-family: var(--titulo); line-height: 1.15; margin: 0; color: inherit; }
.caixa { width: min(1160px, 100% - 32px); margin-inline: auto; }
.estreita { width: min(820px, 100% - 32px); }

/* botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 1rem var(--corpo);
       border-radius: 12px; padding: 13px 22px; text-decoration: none; border: 2px solid transparent; cursor: pointer;
       transition: background .15s, transform .15s; }
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 20px; height: 20px; fill: currentColor; }
.btn-primario { background: var(--azul); color: #fff; }
.btn-primario:hover { background: var(--azul-hover); }
.btn-whats { background: var(--whats); color: #fff; }
.btn-whats:hover { background: #18954C; }
.btn-contorno { border-color: rgba(255,255,255,.35); color: #fff; padding: 8px 16px; }
.btn-contorno:hover { background: rgba(255,255,255,.1); }
.btn-claro { background: #fff; color: var(--azul); }
.btn:disabled { opacity: .6; cursor: wait; transform: none; }

/* topo */
.topo { position: sticky; top: 0; z-index: 50; background: rgba(12,33,65,.96); backdrop-filter: blur(8px);
        border-bottom: 1px solid rgba(127,196,255,.18); }
.topo-linha { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; }
.marca strong { display: block; font: 800 1.2rem/1 var(--titulo); letter-spacing: .08em; }
.marca small { display: block; font: 600 .66rem/1.4 var(--titulo); letter-spacing: .14em; text-transform: uppercase; color: #A9C3DE; }
.menu { display: flex; align-items: center; gap: 4px; }
.menu a:not(.btn) { color: #C9D6E3; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 500; font-size: .95rem; }
.menu a:not(.btn):hover { color: #fff; background: rgba(255,255,255,.06); }
.menu .btn { margin-left: 8px; }
.menu-btn { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.menu-btn span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: .2s; }
@media (max-width: 900px) {
  .menu-btn { display: block; }
  .menu { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
          background: var(--marinho); padding: 8px 16px 18px; border-bottom: 1px solid rgba(127,196,255,.2); display: none; }
  .menu.aberto { display: flex; }
  .menu a:not(.btn) { padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .menu .btn { margin: 12px 0 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* hero */
.hero { position: relative; overflow: hidden; color: #fff; padding: 72px 0 96px;
        background:
          radial-gradient(800px 420px at 85% 0%, rgba(127,196,255,.18), transparent 70%),
          radial-gradient(700px 400px at 0% 100%, rgba(60,114,161,.35), transparent 70%),
          linear-gradient(160deg, var(--marinho) 0%, var(--marinho-2) 60%, #1B3A66 100%); }
.luzes { position: absolute; inset: auto 0 0 0; width: 100%; height: 60%; pointer-events: none; opacity: .7; }
.luzes path { fill: none; stroke: var(--ciano); stroke-width: 2; filter: drop-shadow(0 0 6px var(--ciano)); }
.luzes circle { fill: var(--ciano); filter: drop-shadow(0 0 6px var(--ciano)); }
.hero-grade { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.selo-topo { display: inline-block; font: 600 .78rem var(--titulo); letter-spacing: .08em; text-transform: uppercase;
             color: var(--ciano); background: rgba(127,196,255,.1); border: 1px solid rgba(127,196,255,.3);
             padding: 6px 12px; border-radius: 99px; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); font-weight: 800; margin: 18px 0 16px; letter-spacing: -.01em; }
.lead { font-size: 1.15rem; color: #C9D6E3; max-width: 34em; margin: 0 0 28px; }
.acoes { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-pontos { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 8px; color: #C9D6E3; }
.hero-pontos li { padding-left: 28px; position: relative; }
.hero-pontos li::before { content: ""; position: absolute; left: 0; top: .35em; width: 16px; height: 16px; border-radius: 50%;
                          background: var(--ciano) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%230C2141' stroke-width='2'/%3E%3C/svg%3E"); }
.hero-imagem { margin: 0; border-radius: 22px; overflow: hidden; box-shadow: 0 30px 70px rgba(0,0,0,.45);
               border: 1px solid rgba(127,196,255,.25); }
@media (max-width: 900px) {
  .hero { padding: 48px 0 72px; }
  .hero-grade { grid-template-columns: 1fr; gap: 36px; }
}

/* seções */
.secao { padding: 88px 0; }
.secao-clara { background: var(--cinza); }
.secao-escura { background: linear-gradient(180deg, var(--marinho), var(--marinho-2)); color: #fff; }
.titulo-secao { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.sobre { display: inline-block; font: 700 .78rem var(--titulo); letter-spacing: .14em; text-transform: uppercase; color: var(--azul-medio); margin-bottom: 10px; }
.secao-escura .sobre { color: var(--ciano); }
.titulo-secao h2, .contato-info h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; }
.titulo-secao p { color: var(--disc); font-size: 1.08rem; margin: 14px 0 0; }
@media (max-width: 700px) { .secao { padding: 64px 0; } }

.grade-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grade-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 1000px) { .grade-4 { grid-template-columns: repeat(2, 1fr); } .grade-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grade-4, .grade-3 { grid-template-columns: 1fr; } }

.cartao { background: #fff; border: 1px solid var(--borda); border-radius: 18px; padding: 26px; box-shadow: var(--sombra); }
.veiculo { border-top: 4px solid var(--azul-medio); transition: transform .2s; }
.veiculo:hover { transform: translateY(-4px); }
.veiculo svg { width: 52px; height: 52px; fill: none; stroke: var(--azul); stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; margin-bottom: 14px; }
.veiculo h3 { font-size: 1.15rem; margin-bottom: 8px; }
.veiculo p { color: var(--disc); margin: 0; }

.recurso { background: rgba(255,255,255,.04); border: 1px solid rgba(127,196,255,.18); border-radius: 18px; padding: 26px; }
.recurso h3 { font-size: 1.1rem; margin: 16px 0 8px; }
.recurso p { color: #B9C7D6; margin: 0; }
.icone { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px;
         background: linear-gradient(135deg, var(--azul-medio), var(--azul)); box-shadow: 0 0 0 4px rgba(127,196,255,.12); }
.icone svg { width: 24px; height: 24px; fill: #fff; color: #fff; }

.passos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: p; position: relative; }
.passos::before { content: ""; position: absolute; top: 28px; left: 16%; right: 16%; height: 2px;
                  background: linear-gradient(90deg, var(--azul-medio), var(--ciano), var(--azul-medio)); }
.passos li { text-align: center; position: relative; }
.num { display: inline-grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: var(--azul); color: #fff;
       font: 800 1.4rem var(--titulo); border: 4px solid #fff; box-shadow: 0 0 0 2px var(--azul-medio); margin-bottom: 16px; }
.passos h3 { font-size: 1.15rem; margin-bottom: 8px; }
.passos p { color: var(--disc); margin: 0 auto; max-width: 300px; }
@media (max-width: 760px) { .passos { grid-template-columns: 1fr; } .passos::before { display: none; } }

.faixa { background: linear-gradient(90deg, var(--azul), var(--azul-medio)); color: #fff; padding: 30px 0; }
.faixa-linha { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.faixa p { margin: 0; font-size: 1.1rem; }

.faq details { border: 1px solid var(--borda); border-radius: 14px; padding: 0 20px; margin-bottom: 12px; background: #fff; }
.faq details[open] { box-shadow: var(--sombra); }
.faq summary { cursor: pointer; font: 600 1.05rem var(--titulo); padding: 18px 28px 18px 0; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 1.5rem; color: var(--azul-medio); }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 0 0 18px; color: var(--disc); }

/* contato */
.contato-grade { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
.contato-info p { color: var(--disc); font-size: 1.05rem; }
.canais { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.canais a { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--texto); background: #fff;
            border: 1px solid var(--borda); border-radius: 14px; padding: 14px 16px; font-weight: 600; word-break: break-word; }
.canais a:hover { border-color: var(--azul-medio); }
.canais small { display: block; font-weight: 500; color: var(--disc); font-size: .8rem; }
.icone.whats { background: var(--whats); box-shadow: none; }
@media (max-width: 900px) { .contato-grade { grid-template-columns: 1fr; } }

.form { display: grid; gap: 16px; }
.duas { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .duas { grid-template-columns: 1fr; } }
label { display: grid; gap: 6px; font-size: .88rem; font-weight: 500; color: var(--disc); }
input, select, textarea { font: inherit; color: var(--texto); background: #fff; border: 1px solid var(--borda); border-radius: 10px;
                          padding: 12px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--azul-medio); outline-offset: 1px; border-color: var(--azul-medio); }
textarea { resize: vertical; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
label.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--azul); flex: none; }
.escondido { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.retorno { margin: 0; padding: 12px 14px; border-radius: 10px; font-weight: 500; }
.retorno.ok { background: rgba(31,175,90,.1); color: #137A3E; border: 1px solid rgba(31,175,90,.3); }
.retorno.erro { background: rgba(200,66,59,.08); color: var(--vermelho); border: 1px solid rgba(200,66,59,.3); }
.form .btn { justify-self: start; }

/* rodapé */
.rodape { background: var(--marinho); color: #B9C7D6; padding: 56px 0 24px; }
.rodape-grade { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
.rodape-links, .rodape-contato { display: grid; gap: 8px; align-content: start; }
.rodape a { color: #C9D6E3; text-decoration: none; }
.rodape a:hover { color: #fff; }
.slogan { margin: 14px 0 0; color: var(--ciano); font-weight: 500; }
.copyright { border-top: 1px solid rgba(255,255,255,.08); margin-top: 36px; padding-top: 20px; font-size: .85rem; }
@media (max-width: 760px) { .rodape-grade { grid-template-columns: 1fr; } }

.whats-flutuante { position: fixed; right: 18px; bottom: 18px; z-index: 60; width: 58px; height: 58px; border-radius: 50%;
                   background: var(--whats); display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.whats-flutuante svg { width: 30px; height: 30px; fill: #fff; }

/* página de texto */
.texto { padding: 56px 0 80px; }
.texto h1 { font-size: 2rem; margin-bottom: 8px; }
.texto h2 { font-size: 1.2rem; margin: 28px 0 8px; }
.texto p, .texto li { color: #33475C; text-align: justify; }