*{
box-sizing:border-box;
margin:0;
padding:0;
}

body{
font-family:Arial,sans-serif;
background:#f2f2f2;
color:#444;
text-align:center;
}

/* HEADER */

header{
position:fixed;
top:0;
left:0;
width:100%;
background:#003366;
padding:10px 0;
box-shadow:0 3px 10px rgba(0,0,0,0.1);
z-index:1000;
}

/* LOGO */

.logo{
width:260px;
max-width:90%;
display:block;
margin:auto;
}

/* BOTON MENU */

.menu-toggle{
display:block;
color:#007BFF;      /* azul para que se vea */
font-size:26px;
background:003366;
border:none;
position:absolute;
top:15px;          /* lo sube más arriba */
right:20px;
}

/* MENU */

.menu{
display:flex;
justify-content:center;
flex-wrap:wrap;
gap:5px;
margin-top:5px;
}

.menu a{
text-decoration:none;
color:white;
font-weight:bold;
padding:8px 10px;
border-radius:6px;
transition:0.3s;
}

.menu a:hover{
background:#003366;
}

/* MAIN */

main{
background:white;
width:90%;
max-width:1000px;
margin:90px auto 20px auto;
padding:25px;
border-radius:12px;
box-shadow:0 0 10px rgba(0,0,0,0.1);
}

/* IMAGENES */

img{
max-width:100%;
height:auto;
border-radius:15px;
}

/* BANNER */

picture img{
width:100%;
height:auto;
border-radius:0;
}

/* SERVICIOS */

.servicios-grid{
display:grid;
grid-template-columns:repeat(2,1fr);
gap:30px;
margin-top:30px;
}

.servicio{
background:#003366;
color:white;
padding:20px;
border-radius:15px;
}

/* DIFERENCIALES */

.diferenciales p{
font-size:18px;
margin:10px 0;
}

/* CTA */

.cta{
margin-top:40px;
}

.boton-contacto{
display:inline-block;
background:#003366;
color:white;
padding:12px 25px;
margin-top:15px;
border-radius:8px;
text-decoration:none;
font-weight:bold;
}

/* WHATSAPP */

.whatsapp{
position:fixed;
bottom:20px;
right:20px;
background:#25D366;
color:white;
font-size:28px;
width:60px;
height:60px;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
text-decoration:none;
box-shadow:0 4px 10px rgba(0,0,0,0.3);
}

/* FOOTER */

footer{
background:#003366;
color:white;
padding:20px;
margin-top:30px;
font-size:14px;
}

/* RESPONSIVE */

@media (max-width:768px){

.logo{
width:200px;
}

.menu-toggle{
display:block;
}

@media (max-width:768px){

.menu{
display:none;
flex-direction:column;
position:absolute;
top:55px;
left:0;
width:100%;
background:003366;
padding:10px 0;
}

.menu.active{
display:flex;
}

.menu{
max-height:80vh;
overflow-y:auto; rgba(0,34,68,0.2);
}

.servicios-grid{
grid-template-columns:1fr;
}

main{
margin-top:190px;
}

/* BOTON MENU */

.menu-toggle{
display:none;
background:none;
border:none;
font-size:28px;
cursor:pointer;
color:white;
}

/* MENU NORMAL (DESKTOP) */

.menu{
display:flex;
gap:20px;
}

/* VERSION CELULAR */

@media (max-width:768px){

/* BOTON MENU */

.menu-toggle{
display:block;
color:#007BFF;      /* azul para que se vea */
font-size:26px;
background:none;
border:none;
position:absolute;
top:15px;          /* lo sube más arriba */
right:20px;
}

/* MENU DESPLEGABLE */

.menu{
display:none;
flex-direction:column;
position:absolute;
top:20px;          /* empieza más arriba */
left:0;
width:100%;
background:#111;
padding:5px 0;
max-height:85vh;
overflow-y:auto;
}

.menu.active{
display:flex;
}

/* BOTONES DEL MENU */

.menu a{
padding:8px 15px;   /* botones más chicos */
font-size:15px;
}

}