:root {
    --primary: #111;
    --white: #fff;
    --gray: #f5f5f5;
}

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

.container {max-width:1100px;margin:auto;padding:0 20px;}

/* HEADER */
.header {background:#000;color:#fff;position:fixed;width:100%;z-index:1000;padding:15px 0;}
.nav-container {display:flex;justify-content:space-between;align-items:center;position:relative;}
.logo img {height: 6vh;}
nav {position:relative;}
nav ul {display:flex;list-style:none;gap:20px;}
nav a {color:#fff;text-decoration:none;}
.menu-toggle {display:none;font-size:28px;cursor:pointer;}

/* HERO */
.hero {height:100vh;background:url('../images/hero.jpg') center/cover no-repeat;display:flex;align-items:center;justify-content:center;}
.overlay {background:rgba(0,0,0,0.7);color:#fff;padding:40px;text-align:center;width:100%;}
.btn {display:inline-block;margin-top:20px;background:#000;color:#fff;padding:10px 20px;text-decoration:none;}

/* SECTIONS */
.section {padding:100px 0;}
.gray {background:var(--gray);}

/* CATEGORIES SLIDER */
.categories-slider {display:flex;overflow-x:auto;gap:20px;padding:20px 0;scroll-behavior:smooth;}
.category-card {min-width:220px;position:relative;overflow:hidden;border-radius:15px;flex-shrink:0;}
.category-card img {width:100%;height:250px;object-fit:cover;transition:0.4s;}
.category-overlay {position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;opacity:0;transition:0.3s;}
.category-card:hover img {transform:scale(1.1);}
.category-card:hover .category-overlay {opacity:1;}
.btn-detail {margin-top:10px;background:#fff;color:#000;padding:5px 10px;text-decoration:none;}

/* SERVICES */
.cards {display:flex;gap:20px;margin-top:40px;flex-wrap:wrap;justify-content:center;}
.card {background:#fff;padding:20px;width:300px;box-shadow:0 5px 20px rgba(0,0,0,0.1);}

/* FOOTER */
footer {text-align:center;padding:20px;background:#000;color:#fff;}
.whatsapp-btn {display:inline-block;margin-top:15px;padding:10px 20px;background:#25D366;color:#fff;text-decoration:none;border-radius:5px;}

/* RESPONSIVE */
@media(max-width:768px){
.menu-toggle{display:block;}
nav ul{flex-direction:column;position:absolute;top:60px;right:0;width:100%;background:#000;display:none;padding:20px 0;gap:10px;text-align:center;}
nav ul.active{display:flex;}
.hero{height:auto;padding:120px 20px 50px 20px;}
.overlay{padding:20px;}
h2{font-size:22px;}
.cards{flex-direction:column;align-items:center;}
.card{width:90%;}
.categories-slider{gap:15px;}
.category-card{min-width:80%;height:auto;}
}