body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: #f4f7fc;
  color: #222;
}

.main-header {
  background: linear-gradient(135deg, #004a99, #007bff);
  color: white;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.main-header .logo {
  width: 110px;
  border-radius: 12px;
}

.header-text h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

.header-text p {
  margin: 5px 0 0;
  font-size: 15px;
}

nav {
  background-color: #003e80;
  text-align: center;
  padding: 10px 0;
}

nav a {
  color: white;
  margin: 0 12px;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover,
nav a.active {
  text-decoration: underline;
  color: #ffdd00;
}

.hero {
  background: url('images/foto1.jpeg') no-repeat center/cover;
  color: white;
  text-align: center;
  padding: 80px 20px;
  background-blend-mode: multiply;
  background-color: rgba(0, 0, 0, 0.5);
}

.hero-text h2 {
  font-size: 26px;
  margin-bottom: 10px;
}

.hero-text p {
  max-width: 600px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

.btn-whatsapp {
  background-color: #25d366;
  color: white;
  padding: 12px 25px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 18px;
  font-weight: bold;
  transition: 0.3s;
}

.btn-whatsapp:hover {
  background-color: #1ebe5d;
}

.services {
  text-align: center;
  padding: 50px 20px;
  background: white;
}

.services h2 {
  color: #004a99;
  margin-bottom: 30px;
}

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

.service-box {
  background-color: #e6f0ff;
  border-radius: 10px;
  padding: 20px;
  transition: 0.3s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.service-box:hover {
  background-color: #d8e9ff;
  transform: translateY(-4px);
}

footer {
  background-color: #003e80;
  color: white;
  text-align: center;
  padding: 25px 10px;
  font-size: 14px;
}

footer a {
  color: #ffdd00;
  text-decoration: none;
}

.whatsapp-badge {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  color: white;
  padding: 12px 15px;
  border-radius: 50%;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
  font-size: 16px;
}