:root {
  --bg: #000000;
  --card: #0d0d0d;
  --accent: #00eaff;
  --text: #eaeaea;
  --shadow: rgba(0,234,255,0.45);
}

/* ===== RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

/* ===== BODY ===== */
body {
  background: radial-gradient(circle at top, #001a1f, var(--bg));
  color: var(--text);
  line-height: 1.5;
}

/* ===== HEADER / MENU ===== */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: var(--card);
  border-bottom: 1px solid #222;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .logo {
  font-size: 1.8rem;
  color: var(--accent);
  font-weight: bold;
  letter-spacing: 2px;
}

.menu button {
  background: none;
  border: none;
  color: var(--text);
  margin-left: 16px;
  font-weight: bold;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 8px;
  transition: 0.3s;
}

.menu button:hover {
  background: linear-gradient(135deg, #00eaff, #007a8a);
  color: #000;
}

/* ===== CONTEÚDO ===== */
main {
  padding: 40px 20px;
}

/* ===== SEÇÕES ===== */
section {
  margin-bottom: 80px;
}

/* ===== HOME / TOPO ===== */
.topo {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
}

.topo h1 {
  font-size: 4rem;
  letter-spacing: 8px;
  color: var(--accent);
  text-shadow: 0 0 30px rgba(0,234,255,0.6);
}

.topo p {
  max-width: 640px;
  margin-top: 20px;
  opacity: 0.9;
  font-size: 1.05rem;
}

/* ===== CARDS DE SETORES ===== */
.setores h2 {
  text-align: center;
  font-size: 2.3rem;
  margin-bottom: 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: auto;
}

.card {
  background: var(--card);
  border: 1px solid #222;
  border-radius: 18px;
  padding: 26px;
  position: relative;
  overflow: hidden;
  transition: 0.4s;
}

.card::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: linear-gradient(45deg, transparent, rgba(0,234,255,0.5), transparent);
  transform: rotate(0deg);
  transition: 0.8s;
}

.card:hover::before {
  transform: rotate(45deg);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 30px var(--shadow);
}

.card h3 {
  position: relative;
  color: var(--accent);
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.card p {
  position: relative;
  font-size: 0.95rem;
  opacity: 0.85;
}

/* ===== BOTÕES ===== */
.btn {
  position: relative;
  margin-top: 18px;
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #00eaff, #007a8a);
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.btn:hover {
  box-shadow: 0 0 18px var(--accent);
  transform: translateY(-2px);
}

/* ===== CONTATO ===== */
.contato {
  padding: 80px 20px;
  text-align: center;
}

.contato h2 {
  font-size: 2rem;
}

.contato a {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 34px;
  border-radius: 30px;
  background: var(--accent);
  color: #000;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
}

.contato a:hover {
  box-shadow: 0 0 25px var(--accent);
}

/* ===== MODAL ===== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.modal-box {
  background: #050505;
  border: 1px solid var(--accent);
  border-radius: 18px;
  padding: 30px;
  width: 90%;
  max-width: 400px;
  text-align: center;
}

.modal-box h3 {
  color: var(--accent);
  margin-bottom: 20px;
}

.modal-box input {
  width: 100%;
  padding: 12px;
  margin-bottom: 14px;
  border-radius: 8px;
  border: none;
}

.modal-box button {
  margin-top: 10px;
}

/* BOTÃO FECHAR */
.fechar {
  background: none;
  border: none;
  color: var(--accent);
  margin-top: 14px;
  cursor: pointer;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 20px;
  background: var(--card);
  border-top: 1px solid #222;
  font-size: 0.9rem;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 600px) {
  .topo h1 {
    font-size: 3rem;
  }

  .menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .menu button {
    margin: 8px;
  }
  }