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

body{
background:#fff;
color:#333;
}

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

.section{
padding:80px 0;
}

.section__title{
text-align:center;
margin-bottom:40px;
font-size:2rem;
}

/* NAVBAR */

.header{
position:fixed;
width:100%;
background:white;
box-shadow:0 2px 10px rgba(0,0,0,.1);
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
height:70px;
}

.logo{
display:flex;
align-items:center;
gap:10px;
}

.logo img{
height:35px;
}

.nav__menu{
display:flex;
gap:25px;
list-style:none;
}

.nav__menu a{
text-decoration:none;
color:#222;
}

/* HERO */

.grid{
display:grid;
gap:30px;
}

.home__container{
grid-template-columns:1fr 1fr;
align-items:center;
}

.home__img img{
width:100%;
border-radius:15px;
}

.home__data h1{
font-size:3rem;
color:#0b2a52;
}

.button{
display:inline-block;
padding:12px 25px;
background:linear-gradient(135deg,#2f80ed,#56ccf2);
color:white;
border-radius:30px;
text-decoration:none;
margin-top:20px;
}

/* LAYANAN */

.layanan__container{
grid-template-columns:repeat(3,1fr);
}

.layanan__card{
background:#f5f8ff;
padding:30px;
border-radius:15px;
text-align:center;
}

/* KONTAK */

.kontak{
grid-template-columns:repeat(3,1fr);
}

.card{
background:#f5f5f5;
padding:25px;
border-radius:10px;
text-align:center;
}

/* PRODUK */

.produk{
grid-template-columns:repeat(2,1fr);
}

.produk img{
width:100%;
}

/* FOOTER */

.footer{
background:#0b2a52;
color:white;
text-align:center;
padding:20px;
}

/* RESPONSIVE */

@media screen and (max-width:768px){

.home__container{
grid-template-columns:1fr;
text-align:center;
}

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

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

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

.nav__menu{
position:fixed;
right:-100%;
top:0;
background:white;
height:100%;
width:250px;
flex-direction:column;
padding:40px;
transition:.3s;
}

.show-menu{
right:0;
}

}

/* SERTIFIKAT */

.sertifikat__container{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:30px;
justify-items:center;
align-items:center;
}

.sertifikat__card{
background:#ffffff;
padding:20px;
border-radius:12px;
box-shadow:0 5px 15px rgba(0,0,0,0.08);
text-align:center;
max-width:220px;
}

.sertifikat__card img{
width:100%;
height:120px;
object-fit:contain;
margin-bottom:10px;
}

.sertifikat__card p{
font-size:14px;
color:#555;
}