*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial;
}

body{background:#fff;color:#222}

a{text-decoration:none}

/* HEADER */

.header{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 8%;
background:#fff;
box-shadow:0 2px 10px rgba(0,0,0,.1);
position:sticky;
top:0;
z-index:1000;
}

.logo{
font-size:26px;
font-weight:bold;
color:#005a9c;
}

nav a{
margin:0 15px;
color:#333;
font-weight:500;
position:relative;
}

nav a::after{
content:'';
width:0;
height:2px;
background:#005a9c;
position:absolute;
bottom:-5px;
left:0;
transition:.3s;
}

nav a:hover::after{width:100%}

.btn{
background:#005a9c;
color:white;
padding:10px 18px;
border-radius:6px;
display:inline-block;
}

.btn.big{
font-size:18px;
padding:12px 25px;
}

/* SLIDER */

.slider{
height:450px;
position:relative;
overflow:hidden;
}

.slide{
position:absolute;
width:100%;
height:100%;
background-size:cover;
background-position:center;
opacity:0;
transition:1s;
}

.slide.active{opacity:1}

.slide-text{
position:absolute;
bottom:80px;
left:80px;
background:rgba(0,0,0,.6);
color:white;
padding:20px 30px;
border-radius:8px;
}

/* SECTIONS */

.section{
padding:60px 8%;
text-align:center;
}

.section h2{margin-bottom:10px}

.sub{
color:#777;
margin-bottom:30px;
}

/* PRODUCTS */

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

.card{
border:1px solid #eee;
padding:20px;
border-radius:10px;
transition:.3s;
}

.card:hover{
transform:translateY(-5px);
box-shadow:0 5px 20px rgba(0,0,0,.1);
}

.card img{
width:100%;
height:220px;
object-fit:cover;
border-radius:6px;
}

/* PRODUCT DETAIL */

.product-page{
display:grid;
grid-template-columns:1fr 1fr;
gap:50px;
padding:60px 8%;
}

.product-gallery img{
width:100%;
border-radius:10px;
}

.thumbs{
display:flex;
gap:10px;
margin-top:10px;
}

.thumbs img{
width:80px;
cursor:pointer;
border:2px solid #ddd;
}

.desc{
line-height:1.7;
margin:15px 0;
}

.features li{margin:6px 0}

/* BLOG */

.blog-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:25px;
}

.blog-card{
border:1px solid #eee;
border-radius:10px;
overflow:hidden;
}

.blog-card img{
width:100%;
height:180px;
object-fit:cover;
}

/* CONTACT */

.contact{
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
padding:60px 8%;
background:#f5f8fc;
}

.contact-form input,
.contact-form textarea{
width:100%;
padding:12px;
margin:8px 0;
border:1px solid #ccc;
}

/* FOOTER */

.footer{
background:#0a1a2a;
color:white;
margin-top:50px;
}

.footer-top{
max-width:1200px;
margin:auto;
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:30px;
padding:50px 20px;
}

.footer-box h3{color:#00b4ff}

.footer-box p,
.footer-box a{
color:#ccc;
line-height:1.6;
}

.footer-box a{
display:block;
margin:5px 0;
}

.footer-box a:hover{
color:#00b4ff;
padding-left:5px;
}

.footer-bottom{
background:#081521;
padding:40px 20px 15px;
}

.footer-bottom-box{
max-width:1200px;
margin:auto;
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
margin-bottom:20px;
}

.footer-bottom-box h4{color:#00b4ff}

.copyright{
text-align:center;
color:#aaa;
font-size:13px;
border-top:1px solid rgba(255,255,255,.1);
padding-top:10px;
}

/* WHATSAPP */

.whatsapp{
position:fixed;
right:20px;
bottom:20px;
background:#25d366;
color:white;
font-size:24px;
padding:12px 15px;
border-radius:50%;
}