body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f9 url("img/paper-texture.png") repeat;
  background-size: cover;
  color: #333;
  position: relative;
}


nav a {
  color:#fff;
  margin:0 10px;
  text-decoration:none;
}

.lang-switch button {
  background:#4a6070;
  border:none;
  color:#fff;
  padding:5px 10px;
  margin:0 3px;
  border-radius:4px;
  cursor:pointer;
}

.hero {
  background:#e6ebf2;
  padding:80px 20px;
  text-align:center;
}

.hero h2 {
  font-size:2.5rem;
  color:#1c2b39;
}

.section {
  padding:60px 40px;
  max-width:1200px;
  margin:auto;
}

.section h3 {
  font-size:2rem;
  color:#1c2b39;
  margin-bottom:20px;
}

.logistica-texto {
  text-align: center;
  font-size: 1rem;
  margin-top: 20px;
  font-weight: 500;
}

.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
}

.card {
  background:#fff;
  border-radius:10px;
  box-shadow:0 4px 12px rgba(0,0,0,0.1);
  overflow:hidden;
  text-align:center;
}

.card img {
  width:100%;
  height:200px;
  object-fit:cover;
}

.card h4 {
  padding:15px;
  margin:0;
  color:#1c2b39;
  font-size:1.2rem;
}

.card p {
  padding:0 15px 20px;
  font-size:0.95rem;
  color:#555;
}

.contact-form {
  max-width:600px;
  margin:40px auto;
  background:#fff;
  padding:30px;
  border-radius:10px;
  box-shadow:0 4px 12px rgba(0,0,0,0.1);
}

.contact-form label {
  display:block;
  margin:10px 0 5px;
  font-weight:bold;
}

.contact-form input, 
.contact-form textarea {
  width:100%;
  padding:10px;
  border:1px solid #ccc;
  border-radius:6px;
  margin-bottom:15px;
}

.contact-form button {
  background:#1c2b39;
  color:#fff;
  border:none;
  padding:10px 20px;
  border-radius:6px;
  cursor:pointer;
}

.whatsapp-float {
  position:fixed;
  width:60px;
  height:60px;
  bottom:20px;
  right:20px;
  background:#25d366;
  color:#fff;
  border-radius:50%;
  text-align:center;
  font-size:30px;
  box-shadow:0 2px 10px rgba(0,0,0,0.3);
  z-index:100;
}

.whatsapp-float i {
  margin-top:15px;
}

footer {
  background:#1c2b39;
  color:#fff;
  padding:30px;
  text-align:center;
  margin-top:40px;
}

.btn {
  display:inline-block;
  margin-top:20px;
  padding:10px 20px;
  background:#1c2b39;
  color:#fff;
  text-decoration:none;
  border-radius:6px;
}

/* Header centrado con logo, título y menú */
header {
  background:#1c2b39;
  color:#fff;
  padding:20px 0;
  text-align:center;
}

.header-container {
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
}

.logo-img {
  height: 220px; 
  width: auto;
  display: block;
  margin: 0 auto 10px auto;
}

.site-title {
  font-size:2rem;
  margin:0 0 15px 0;
  font-weight: bold;
}

.main-nav {
  display:flex;
  justify-content:center;
  gap:30px;
  margin-bottom:10px;
}

.main-nav a {
  color:#fff;
  text-decoration:none;
  font-size:1.2rem;
  font-weight:500;
  transition:color 0.3s;
}

.main-nav a:hover {
  color:#25d366; /* verde que combina con WhatsApp */
}

.lang-switch {
  margin-top:10px;
}