* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #0f172a; /* azul bem escuro engenharia */
  color: #e5e7eb;
  line-height: 1.6;
}

/* CONTAINER */
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* HEADER */
.header {
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid #1f2937;
  padding: 20px 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
    height: 80px;
    width: auto;
    display: block;
}

.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #cbd5e1;
  font-weight: 500;
  transition: 0.3s;
}

.nav a:hover {
  color: #38bdf8;
}

/* BOTÕES */
.btn, .btn-primary {
  padding: 10px 16px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: 0.3s;
}

.btn {
  border: 1px solid #38bdf8;
  color: #38bdf8;
}

.btn:hover {
  background: #38bdf8;
  color: #0f172a;
}

.btn-primary {
  margin-top: 20px;
  background: #38bdf8;
  color: #0f172a;
}

.btn-primary:hover {
  background: #0ea5e9;
}

/* HERO */
.hero-logo{
    width: 100%;
    max-width: 300px;
    height: auto;
    display: block;
    margin: 0 auto 50px;
}
.hero {
  padding: 100px 0;
  text-align: center;
  background: radial-gradient(circle at top, #1e293b, #0f172a);
}

.hero h2 {
  font-size: 36px;
  margin-bottom: 15px;
  color: #f8fafc;
}
.hero p {
  color: #94a3b8;
  font-size: 18px;
}

/* SEÇÕES */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 28px;
  margin-bottom: 40px;
  text-align: center;
  color: #f8fafc;
}

.dark {
  background: #111827;
}

/* GRID SERVIÇOS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

/* CARDS */
.card {
  background: #1e293b;
  padding: 25px;
  border-radius: 10px;
  border: 1px solid #334155;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #38bdf8;
}

.card h3 {
  margin-bottom: 10px;
  color: #f1f5f9;
}

.card p {
  color: #94a3b8;
}

/* CONTATO */
#contato {
  text-align: center;
}

#contato p {
  color: #94a3b8;
  margin-bottom: 20px;
}

/* FOOTER */
.footer {
  padding: 30px 0;
  text-align: center;
  border-top: 1px solid #1f2937;
  color: #64748b;
  font-size: 14px;
}