/* Reset básico */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #fdfdfd;
}
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #ddd;
  padding: 20px 0;
}
.site-header .logo {
  font-size: 1.8rem;
  font-weight: bold;
  text-decoration: none;
  color: #004a7c;
}
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}
.main-nav a {
  text-decoration: none;
  color: #004a7c;
  font-weight: bold;
  transition: color 0.3s;
}
.main-nav a:hover {
  color: #007bcd;
}
.hero {
  background: url('img/hero.jpg') center center / cover no-repeat;
  color: #fff;
  padding: 120px 0;
  text-align: center;
}
.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 20px;
}
.btn-primary {
  display: inline-block;
  background-color: #007bcd;
  color: #fff;
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.3s;
}
.btn-primary:hover {
  background-color: #005fa3;
}
.about, .services, .methodology, .clients, .contact {
  padding: 60px 0;
}
.about .about-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 30px;
}
.about-text {
  flex: 1;
}
.about-image img {
  width: 100%;
  border-radius: 6px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}
.service-item {
  background-color: #f9f9f9;
  padding: 24px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: transform 0.3s;
}
.service-item:hover {
  transform: translateY(-5px);
}
.clients-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 30px;
}
.clients-logos img {
  max-height: 60px;
  opacity: 0.8;
  transition: opacity 0.3s;
}
.clients-logos img:hover {
  opacity: 1;
}
.contact .form-group {
  margin-bottom: 16px;
}
.contact label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
}
.contact input, .contact textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}
.site-footer {
  background-color: #f2f2f2;
  text-align: center;
  padding: 24px 0;
  font-size: 0.9rem;
}
@media (max-width: 768px) {
  .main-nav ul {
    flex-direction: column;
    gap: 10px;
  }
  .about .about-content {
    flex-direction: column;
  }
}