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

body{
    background:#f8f9fa;
    color:#333;
    line-height:1.6;
}

header{
    background:#0b1f3a;
    color:white;
    position:sticky;
    top:0;
    z-index:1000;
}

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

.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 0;
}

.logo{
    font-size:28px;
    font-weight:700;
    color:#00d4ff;
}

nav ul{
    display:flex;
    list-style:none;
    gap:25px;
}

nav a{
    text-decoration:none;
    color:white;
    font-weight:500;
}

.hero-carousel {
    position: relative;
}

.carousel {
    position: relative;
    width: 100%;
    height: 90vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity .8s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.45);
    display: flex;
    flex-direction: column;
    justify-content: end;
    align-items: center;
    color: white;
    text-align: center;
    padding: 20px;
}

.overlay h1 {
    font-size: 32px;
    margin-bottom: 15px;
}

.overlay p {
    font-size: 22px;
}

.prev,
.next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,.3);
    border: none;
    color: white;
    font-size: 30px;
    width: 50px;
    height: 50px;
    cursor: pointer;
    z-index: 100;
}

.prev {
    left: 20px;
}

.next {
    right: 20px;
}

.prev:hover,
.next:hover {
    background: rgba(255,255,255,.6);
}

@media(max-width:768px) {
    .carousel {
        height: 70vh;
    }

    .overlay h1 {
        font-size: 32px;
    }

    .overlay p {
        font-size: 18px;
    }
}

.btn{
    display:inline-block;
    padding:12px 25px;
    background:#00d4ff;
    color:#000;
    text-decoration:none;
    border-radius:5px;
    font-weight:600;
    margin-right:10px;
}

.section{
    padding:80px 0;
}

.section-title{
    text-align:center;
    margin-bottom:50px;
}

.section-title h2{
    font-size:38px;
    color:#0b1f3a;
}

.about{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
    align-items:center;
}

.about img{
    width:100%;
    border-radius:12px;
}

.categories{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.card{
    background:white;
    padding:25px;
    border-radius:12px;
    box-shadow:0 4px 12px rgba(0,0,0,.08);
    transition:.3s;
}

.card:hover{
    transform:translateY(-5px);
}

.card h3{
    color:#0b1f3a;
    margin-bottom:15px;
}

.products{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.product{
    background:white;
    border-radius:12px;
    overflow:hidden;
    box-shadow:0 4px 12px rgba(0,0,0,.08);
}

.product img{
    width:100%;
    height:220px;
    object-fit:cover;
}

.product-content{
    padding:20px;
}

.services{
    background:#0b1f3a;
    color:white;
}

.services-title{
    color:white !important;
}

.services-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.service-box{
    background:rgba(255,255,255,0.1);
    padding:25px;
    border-radius:10px;
}

.testimonials{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:20px;
}

.testimonial{
    background:white;
    padding:25px;
    border-radius:12px;
    box-shadow:0 4px 12px rgba(0,0,0,.08);
}

.contact{
    background:#f1f4f7;
}

.contact-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:30px;
}

.contact-form input,
.contact-form textarea{
    width:100%;
    padding:12px;
    margin-bottom:15px;
    border:1px solid #ddd;
    border-radius:5px;
}

.contact-form button{
    background:#00d4ff;
    border:none;
    padding:12px 25px;
    cursor:pointer;
    font-weight:600;
}

footer{
    background:#0b1f3a;
    color:white;
    text-align:center;
    padding:25px;
}

.whatsapp{
    position:fixed;
    right:20px;
    bottom:20px;
    background:#25d366;
    color:white;
    width:60px;
    height:60px;
    border-radius:50%;
    display:flex;
    justify-content:center;
    align-items:center;
    font-size:30px;
    text-decoration:none;
}

#contact-response{
    margin-top:15px;
}

@media(max-width:768px){

    .hero h1{
        font-size:38px;
    }

    .about,
    .contact-grid{
        grid-template-columns:1fr;
    }

    nav{
        display:none;
    }
}