body{padding-top:120px;font-family:'Segoe UI',sans-serif}
.navbar{transition:.3s}
.navbar-scrolled{background:#212529!important;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.hero{height:80vh;background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6)),url('../img/hero.jpg') center/cover fixed}
.parallax{background-attachment:fixed}
.cta{background:linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.7)),url('../img/cta-bg.jpg') center/cover fixed}
.card{transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:0 10px 25px rgba(0,0,0,.2)}


/* Preloader pantalla completa */
#preloader{
    position:fixed;
    inset:0;
    background:#0d1b2a;
    display:flex;
    justify-content:center;
    align-items:center;
    z-index:9999;
    transition:opacity .6s ease, visibility .6s;
}

/* Logo animado */
.preloader-logo{
    width:200px;
    animation:logoIntro 1.8s ease infinite alternate;
}

@keyframes logoIntro{
    from{
        transform:scale(.9);
        opacity:.7;
    }
    to{
        transform:scale(1.05);
        opacity:1;
    }
}

/* ocultar */
#preloader.hide{
    opacity:0;
    visibility:hidden;
}