/* CETVA Technology — site institucional (preto e verde) */

:root {
  --preto: #050607;
  --preto-2: #0b0e10;
  --painel: #11151800;
  --painel-solido: #101417;
  --borda: #1e2529;
  --verde: #46be5a;
  --verde-claro: #7dff9b;
  --verde-escuro: #1f7a33;
  --texto: #e6ebe8;
  --muted: #8d9a94;
  --raio: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 78px; }

body {
  margin: 0;
  background: var(--preto);
  color: var(--texto);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.muted { color: var(--muted); }

/* ---------- topo ---------- */
.topo {
  position: fixed;
  inset: 0 0 auto 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(5, 6, 7, 0.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borda);
  z-index: 50;
}

.topo.rolado { background: rgba(5, 6, 7, 0.96); }

.marca { display: flex; align-items: center; gap: 12px; }
.marca img { height: 34px; width: auto; }
.marca span {
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--muted);
  font-weight: 300;
}
.marca strong { color: var(--verde); font-weight: 700; margin-left: 4px; }

.menu { display: flex; align-items: center; gap: 30px; }
.menu > a {
  font-size: 14px;
  letter-spacing: 0.6px;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .18s, border-color .18s;
}
.menu > a:hover, .menu > a.ativo { color: #fff; border-color: var(--verde); }

.btn-entrar {
  border: 1px solid var(--verde) !important;
  border-radius: 999px;
  padding: 9px 20px !important;
  color: var(--verde) !important;
  transition: background .18s, color .18s, box-shadow .18s;
}
.btn-entrar:hover {
  background: var(--verde);
  color: #04150a !important;
  box-shadow: 0 0 24px rgba(70, 190, 90, .35);
}

.hamburguer {
  display: none;
  background: none;
  border: 0;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
}
.hamburguer span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--verde);
  border-radius: 2px;
}

/* ---------- botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 13px 26px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .16s, box-shadow .16s, background .16s, color .16s;
}
.btn.primario {
  background: linear-gradient(135deg, var(--verde) 0%, var(--verde-escuro) 100%);
  color: #03140a;
  box-shadow: 0 8px 26px rgba(70, 190, 90, .22);
}
.btn.primario:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(70, 190, 90, .38); }
.btn.fantasma { border-color: var(--borda); color: var(--texto); }
.btn.fantasma:hover { border-color: var(--verde); color: var(--verde-claro); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 132px 24px 0;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 50% -6%, rgba(70, 190, 90, .16), transparent 70%),
    linear-gradient(180deg, #05070800 0%, var(--preto-2) 100%);
}

.hero-grade {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(70, 190, 90, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(70, 190, 90, .06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(700px 380px at 50% 12%, #000 30%, transparent 78%);
  pointer-events: none;
}

.hero-conteudo { position: relative; max-width: 940px; margin: 0 auto; }

.hero-logo {
  width: 520px;
  max-width: 92%;
  margin: 0 auto 26px;
  border-radius: 18px;
  border: 1px solid var(--borda);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .7), 0 0 0 1px rgba(70, 190, 90, .08) inset;
}

.hero h1 {
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.5px;
}
.hero h1 em {
  font-style: normal;
  color: var(--verde);
  text-shadow: 0 0 30px rgba(70, 190, 90, .45);
}

.hero-texto {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  max-width: 720px;
  margin: 0 auto 32px;
}

.hero-acoes { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero-numeros {
  list-style: none;
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 54px 0 0;
  padding: 0;
}
.hero-numeros li {
  min-width: 190px;
  padding: 20px 22px;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  background: rgba(16, 20, 23, .7);
  text-align: left;
}
.hero-numeros strong {
  display: block;
  color: var(--verde);
  font-size: 26px;
  margin-bottom: 6px;
}
.hero-numeros span { color: var(--muted); font-size: 12.5px; line-height: 1.5; }

.hero-faixa {
  position: relative;
  margin-top: 62px;
  border-top: 1px solid var(--borda);
  background: #000;
}
.hero-faixa img {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  opacity: .92;
}

/* ---------- seções ---------- */
.secao { padding: 96px 24px; max-width: 1240px; margin: 0 auto; }

.secao-topo { text-align: center; max-width: 720px; margin: 0 auto 52px; }

.etiqueta {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--verde);
  border: 1px solid rgba(70, 190, 90, .35);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 18px;
}

.secao h2 {
  font-size: clamp(24px, 3.4vw, 36px);
  margin: 0 0 14px;
  letter-spacing: -0.3px;
}
.secao-topo p { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 0; }

/* ---------- cards de solução ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 26px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--painel-solido);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  overflow: hidden;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(70, 190, 90, .55);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .6);
}
.card .capa {
  width: 100%;
  aspect-ratio: 16 / 5.2;
  object-fit: contain;
  object-position: center;
  background: #000;
  border-bottom: 1px solid var(--borda);
}
.card .corpo { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card h3 {
  margin: 0;
  font-size: 18px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.card p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.7; flex: 1; }
.card .btn { align-self: flex-start; }

.card.ativo { border-color: rgba(70, 190, 90, .28); }

.tag {
  font-size: 10.5px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: #d8c46a;
  border: 1px solid rgba(216, 196, 106, .38);
  background: rgba(216, 196, 106, .08);
  border-radius: 999px;
  padding: 4px 10px;
  font-weight: 600;
}

/* ---------- institucional ---------- */
.institucional {
  max-width: none;
  background:
    radial-gradient(700px 340px at 15% 0%, rgba(70, 190, 90, .10), transparent 70%),
    var(--preto-2);
  border-top: 1px solid var(--borda);
  border-bottom: 1px solid var(--borda);
}
.inst-grade {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.inst-texto h2 { margin: 0 0 18px; }
.inst-texto p { color: var(--muted); font-size: 15px; line-height: 1.85; margin: 0 0 16px; }

.inst-lista { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.inst-lista li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  padding-left: 26px;
  position: relative;
}
.inst-lista li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--verde);
  box-shadow: 0 0 14px rgba(70, 190, 90, .8);
}
.inst-lista strong { color: var(--texto); }

.inst-visual img {
  border-radius: var(--raio);
  border: 1px solid var(--borda);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .65);
}
.inst-selos { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.inst-selos span {
  font-size: 11.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--borda);
  border-radius: 999px;
  padding: 6px 13px;
}

/* ---------- contato ---------- */
.contato-grade {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.contato-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 26px 24px;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  background: var(--painel-solido);
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.contato-card:hover {
  transform: translateY(-4px);
  border-color: rgba(70, 190, 90, .55);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .55);
}
.contato-card .ico {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--verde);
}
.contato-card strong { font-size: 16px; color: #fff; }
.contato-card .muted { font-size: 12.5px; }

/* ---------- rodapé ---------- */
.rodape { border-top: 1px solid var(--borda); background: #000; padding: 56px 24px 0; }
.rodape-grade {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
}
.rodape-logo { width: 210px; margin-bottom: 16px; }
.rodape-grade p { font-size: 13px; line-height: 1.7; margin: 0; max-width: 380px; }
.rodape h4 { margin: 0 0 14px; font-size: 13px; letter-spacing: 1.6px; text-transform: uppercase; color: var(--verde); }
.rodape-grade a { display: block; color: var(--muted); font-size: 13.5px; padding: 5px 0; transition: color .16s; }
.rodape-grade a:hover { color: #fff; }
.rodape-base {
  max-width: 1240px;
  margin: 44px auto 0;
  padding: 20px 0 26px;
  border-top: 1px solid var(--borda);
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

/* ---------- responsivo ---------- */
@media (max-width: 980px) {
  .inst-grade { grid-template-columns: 1fr; gap: 36px; }
  .rodape-grade { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .topo { padding: 0 18px; }
  .hamburguer { display: block; }
  .menu {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 18px 22px;
    background: rgba(5, 6, 7, .98);
    border-bottom: 1px solid var(--borda);
    display: none;
  }
  .menu.aberto { display: flex; }
  .menu > a { padding: 14px 4px; border-bottom: 1px solid var(--borda); }
  .btn-entrar { text-align: center; margin-top: 14px; }
  .hero { padding-top: 104px; }
  .secao { padding: 68px 18px; }
  .rodape-grade { grid-template-columns: 1fr; }
}