*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

html, body{
    overflow-x:hidden;
    background:#000;
}

header{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    padding:20px 70px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    z-index:100;
    border-bottom: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 4px 12px rgba(0,0,0,.25);
}

.logo img{
    height:60px;
    width:auto;
    display:block;
}

nav{
    display:flex;
    gap:24px;
    flex-wrap:wrap;
}

.nav-boton{
    color:#FFD700;
    text-decoration:none;
    font-weight:bold;
    padding:12px 24px;
    border:2px solid #FFD700;
    border-radius:6px;
    transition:.3s;
    white-space:nowrap;
}

.nav-boton:hover{
    background:#FFD700;
    color:#000;
}

/* Botón hamburguesa: oculto en desktop */
.menu-toggle{
    display:none;
    flex-direction:column;
    justify-content:space-between;
    width:32px;
    height:24px;
    background:transparent;
    border:none;
    cursor:pointer;
    padding:0;
    z-index:110;
}

.menu-toggle span{
    display:block;
    height:3px;
    width:100%;
    background:#FFD700;
    border-radius:2px;
    transition:.3s;
}

.menu-toggle.activo span:nth-child(1){
    transform:translateY(10px) rotate(45deg);
}
.menu-toggle.activo span:nth-child(2){
    opacity:0;
}
.menu-toggle.activo span:nth-child(3){
    transform:translateY(-10px) rotate(-45deg);
}

.pantalla{
    height:100svh;
    background-image:url("../imagenes/Imagen\ Principal.jpg");
    background-size:cover;
    background-position:center;
    position:relative;
    display:flex;
    align-items:center;
}

.overlay{
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.35);
}

.contenido{
    position:relative;
    margin-left:100px;
    max-width:650px;
    padding:0 20px;
}

.contenido h1{
    font-size:clamp(32px, 4vw, 48px);
    margin-bottom:20px;
    font-weight:bold;
    color:#fff;
    line-height:1.15;
}

.contenido p{
    font-size:clamp(16px, 2vw, 20px);
    line-height:1.6;
    color:#ddd;
}

/* Pantallas medianas: la navegación se compacta para no desbordar. */
@media (max-width:1200px){
    nav{
        gap:12px;
    }
    .nav-boton{
        padding:10px 14px;
        font-size:14px;
    }
}

/* Tablet */
@media (max-width:900px){
    header{
        padding:18px 32px;
    }
    nav{
        gap:14px;
    }
    .nav-boton{
        padding:10px 16px;
        font-size:14px;
    }
    .contenido{
        margin-left:60px;
        max-width:520px;
    }
}

/* Mobile */
@media (max-width:640px){
    header{
        padding:16px 20px;
    }
    .logo img{
        height:44px;
    }
    .menu-toggle{
        display:flex;
    }
    nav{
        position:fixed;
        top:0;
        right:0;
        height:100vh;
        width:min(75vw, 300px);
        background:rgba(0,0,0,.97);
        flex-direction:column;
        flex-wrap:nowrap;
        justify-content:center;
        align-items:center;
        gap:24px;
        transform:translateX(100%);
        transition:transform .35s ease;
    }
    nav.abierto{
        transform:translateX(0);
    }
    .nav-boton{
        width:80%;
        text-align:center;
        padding:14px 0;
        font-size:16px;
    }
    .contenido{
        margin-left:0;
        padding:0 24px;
        max-width:100%;
        text-align:center;
    }
    .pantalla{
        justify-content:center;
        background-position: 65% center;
    }
}

/* Mobile chico */
@media (max-width:380px){
    .contenido h1{
        font-size:28px;
    }
}