body {
    margin:0;
    font-family:Arial, sans-serif;
    background:#f7f7f7;
}

.container {
    width:90%;
    max-width:1200px;
    margin:auto;
}

.header {
    padding:25px 0;
    background:#fff;
    position:fixed;
    width:100%;
    top:0;
    z-index:1000;
}

.logo a {
    text-decoration:none;
    font-weight:bold;
    font-size:20px;
    color:#000;
}

.nav ul {
    list-style:none;
    display:flex;
    gap:30px;
}

.nav a {
    text-decoration:none;
    color:#000;
    font-size:14px;
    letter-spacing:2px;
}

/* HERO */

.hero {
    height:100vh;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
}

.hero-bg {
    position:absolute;
    width:100%;
    height:100%;
    background:url('../images/hero.jpg') center/cover;
    z-index:-1;
}

.hero-content {
    background:#000;
    color:#fff;
    padding:60px;
    max-width:400px;
}

.btn {
    display:inline-block;
    margin-top:20px;
    color:#fff;
    text-decoration:none;
    border-bottom:1px solid #fff;
}

/* PROJECTS */

.project-grid {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:30px;
}

.project-item img {
    width:100%;
}

/* WHATSAPP */

.whatsapp {
    position:fixed;
    bottom:25px;
    right:25px;
    background:#25D366;
    color:#fff;
    padding:15px;
    border-radius:50%;
    text-decoration:none;
}

/* ANIMATION */

.fade-up {
    opacity:0;
    transform:translateY(40px);
    transition:all .8s ease;
}

.fade-up.show {
    opacity:1;
    transform:translateY(0);
}

/* RESPONSIVE */

@media(max-width:991px){

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

    .hero-content {
        padding:30px;
        width:90%;
    }

    .nav {
        display:none;
    }

}