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

body{
font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto;
color:#333;
line-height:1.6;
background:#fff;
}

img{
max-width:100%;
height:auto;
}

.container{
max-width:1200px;
width:92%;
margin:auto;
}

.center{
text-align:center;
}

/* header */

.header{
background:white;
border-bottom:1px solid #eee;
position:sticky;
top:0;
z-index:9999;
transition:all .3s;
}

.header.scrolled{
padding:5px 0;
box-shadow:0 5px 15px rgba(0,0,0,0.08);
}

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

.logo{
font-size:20px;
font-weight:700;
}

/* menu */

.menu{
display:flex;
gap:25px;
}

.menu a{
text-decoration:none;
color:#333;
font-size:15px;
transition:color .2s;
}

.menu a:hover{
color:#00c4b4;
}

/* hamburger */

.menu-toggle{
display:none;
font-size:28px;
cursor:pointer;
}

/* hero */

.hero{
background:url('../img/banner.jpg') center/cover no-repeat;
min-height:420px;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
color:white;
padding:120px 20px;
}

.hero h1{
font-size:42px;
margin-bottom:15px;
}

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

.btn{
display:inline-block;
margin-top:25px;
background:#00c4b4;
color:white;
padding:14px 28px;
border-radius:30px;
text-decoration:none;
transition:.3s;
}

.btn:hover{
transform:translateY(-2px);
box-shadow:0 6px 18px rgba(0,0,0,0.2);
}

/* sections */

section{
padding:90px 0;
}

h2{
text-align:center;
margin-bottom:50px;
font-size:28px;
}

/* features */

.features{
background:#0f5c5c;
color:white;
text-align:center;
}

.feature-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:40px;
}

.feature{
padding:20px;
}

/* welcome */

.welcome{
background:#f5f5f5;
}

.welcome-img{
width:220px;
margin-bottom:20px;
}

/* payments */

.payment-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
gap:25px;
text-align:center;
}

.payment-grid div{
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 5px 18px rgba(0,0,0,0.08);
transition:.25s;
}

.payment-grid div:hover{
transform:translateY(-5px);
}

/* system */

.system-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:30px;
}

.system-item{
background:white;
padding:35px;
border-radius:12px;
box-shadow:0 5px 18px rgba(0,0,0,0.08);
text-align:center;
transition:.25s;
}

.system-item:hover{
transform:translateY(-6px);
}

/* business */

.business-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:30px;
}

.card{
padding:45px;
border-radius:12px;
color:white;
text-align:center;
transition:.25s;
}

.card:hover{
transform:translateY(-6px);
}

.yellow{background:#f4c400;}
.blue{background:#6a79ff;}
.red{background:#ff4f6d;}

.card button{
margin-top:20px;
padding:10px 20px;
border:none;
border-radius:6px;
cursor:pointer;
}

/* contact */

.contact{
background:#f9f9f9;
}

.lineqr{
width:200px;
margin-top:20px;
}

/* footer */

footer{
background:#222;
color:white;
text-align:center;
padding:35px;
}

/* =========================
   Mobile
========================= */

@media (max-width:768px){

.menu-toggle{
display:block;
}

/* slide menu */

.menu{
position:fixed;
top:0;
right:-260px;
width:260px;
height:100vh;
background:white;
flex-direction:column;
padding:80px 25px;
gap:20px;
transition:.35s;
box-shadow:-5px 0 20px rgba(0,0,0,0.15);
}

.menu.active{
right:0;
}

.hero{
min-height:320px;
padding:80px 20px;
}

.hero h1{
font-size:28px;
}

.hero p{
font-size:16px;
}

section{
padding:70px 0;
}

}