body{
  font-family: 'Inter', Arial, sans-serif;
  margin:0; padding:0;
  background:#f8faff; color:#1a1a1a;
}
.site-header{
  display:flex;justify-content:space-between;align-items:center;
  background:#fff;padding:15px 30px;box-shadow:0 2px 6px rgba(0,0,0,0.05);
}
.logo{font-weight:bold;font-size:20px;color:#0b69ff;}
.nav a{margin-left:15px;text-decoration:none;color:#333;}
.hero{padding:80px 20px;text-align:center;}
.hero h1{font-size:32px;color:#0b69ff;}
.hero p{font-size:18px;color:#444;margin:10px 0 20px;}
.btn{
  background:#0b69ff;color:#fff;padding:12px 24px;border-radius:8px;
  text-decoration:none;font-weight:600;box-shadow:0 4px 12px rgba(0,0,0,0.1);
}
.btn:hover{background:#094fcc;}
.site-footer{text-align:center;padding:20px;background:#fff;color:#666;margin-top:50px;}
.overlay{
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,0.6);display:flex;align-items:center;justify-content:center;
}
.modal{
  background:#fff;padding:30px;border-radius:12px;text-align:center;
  box-shadow:0 8px 30px rgba(0,0,0,0.25);
  animation:fadeIn .3s ease-in-out;
}
.modal h2{margin-top:0;color:#0b69ff;}
@keyframes fadeIn{
  from{opacity:0;transform:scale(0.9);}
  to{opacity:1;transform:scale(1);}
}

.features{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:20px; padding:40px;
  background:#f0f4ff;
}
.feature{
  text-align:center;
  background:#fff;
  padding:20px;
  border-radius:10px;
  box-shadow:0 2px 6px rgba(0,0,0,0.1);
}
.feature img{width:80px;height:80px;margin-bottom:10px;}

.contact-form {
  max-width: 500px;
  margin: 20px auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-form label {
  font-weight: bold;
  text-align: left;
}
.contact-form input,
.contact-form textarea {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
}
.contact-form button {
  align-self: flex-start;
}

/* Botones generales */
.btn {
  display: inline-block;
  background: #0b69ff;
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s ease-in-out;
  margin-top: 10px;
  min-width: 160px;
}

.btn:hover {
  background: #094fcc;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Contenedor de botones en grids o secciones */
.feature .btn {
  width: 100%;
  margin-top: 15px;
}

/* Botón del formulario */
.contact-form button {
  background: #0b69ff;
  color: #fff;
  border: none;
  font-size: 16px;
  cursor: pointer;
  border-radius: 8px;
  padding: 12px 24px;
  transition: all 0.2s ease-in-out;
}

.contact-form button:hover {
  background: #094fcc;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Sticky header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* Sticky header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-buttons {
  display: flex;
  gap: 10px;
  margin-left: 20px;
}

.btn.small {
  padding: 8px 16px;
  font-size: 14px;
  min-width: auto;
}

.modal form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal input {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 15px;
}

.modal a {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: #666;
  text-decoration: none;
}
.modal a:hover { color: #0b69ff; }