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

body{
background:#0c0c0c;
color:white;
overflow-x:hidden;
}

.grid-bg{
position:fixed;
width:100%;
height:100%;
background-image:
linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
background-size:40px 40px;
animation:gridMove 20s linear infinite;
z-index:-1;
}

@keyframes gridMove{

0%{
transform:translateY(0px);
}

100%{
transform:translateY(40px);
}

}

nav{
height:90px;
display:flex;
justify-content:space-between;
align-items:center;
padding:0 8%;
backdrop-filter:blur(15px);
background:rgba(0,0,0,.35);
border-bottom:1px solid rgba(255,255,255,.05);
}

.logo{
font-size:32px;
font-weight:900;
letter-spacing:3px;
}

.menu{
display:flex;
gap:30px;
}

.menu a{
color:white;
text-decoration:none;
opacity:.8;
transition:.3s;
}

.menu a:hover{
opacity:1;
}

.lang-btn{
text-decoration:none;
color:white;
padding:10px 20px;
border:1px solid rgba(255,255,255,.15);
border-radius:10px;
}

.hero{
min-height:90vh;
display:flex;
align-items:center;
justify-content:space-between;
padding:0 8%;
gap:60px;
}

.hero-left{
max-width:600px;
}

.hero-left h1{
font-size:110px;
font-weight:900;
line-height:1;
margin-bottom:20px;
}

.hero-left p{
font-size:20px;
color:#b8b8b8;
line-height:1.8;
margin-bottom:30px;
}

.download-btn{
display:inline-block;
padding:15px 35px;
background:white;
color:black;
text-decoration:none;
border-radius:12px;
font-weight:bold;
}

.slider{
width:700px;
height:420px;
overflow:hidden;
border-radius:20px;
background:#141414;
border:1px solid rgba(255,255,255,.08);
}

.slider img{
width:100%;
height:100%;
object-fit:cover;
transition:.5s;
}

.status{
display:flex;
justify-content:center;
gap:25px;
padding-bottom:100px;
flex-wrap:wrap;
}

.status-box{
width:280px;
padding:35px;
background:#151515;
border-radius:20px;
border:1px solid rgba(255,255,255,.05);
}

.status-box h2{
margin-bottom:10px;
}

.status-box p{
color:#bdbdbd;
}

@media(max-width:1000px){

.hero{
flex-direction:column;
padding-top:80px;
}

.hero-left h1{
font-size:70px;
}

.slider{
width:100%;
height:300px;
}

.menu{
display:none;
}

.grid-bg{
    position:fixed;
    inset:0;
    background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size:40px 40px;
    animation:move 20s linear infinite;
    z-index:-1;
}

@keyframes move{
    from{transform:translateY(0);}
    to{transform:translateY(40px);}
}

nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
    backdrop-filter:blur(15px);
    background:rgba(0,0,0,.4);
    border-bottom:1px solid rgba(255,255,255,.05);
}

.logo{
    font-size:28px;
    font-weight:900;
    color:#ff2d55;
}

.menu a{
    color:white;
    margin-left:20px;
    text-decoration:none;
    opacity:.7;
    transition:.3s;
}

.menu a:hover{
    opacity:1;
    color:#ff2d55;
}

.btn{
    padding:12px 25px;
    border-radius:12px;
    border:none;
    cursor:pointer;
    font-weight:bold;
    transition:.3s;
}

.btn-primary{
    background:#ff2d55;
    color:white;
}

.btn-primary:hover{
    box-shadow:0 0 20px #ff2d55;
    transform:translateY(-2px);
}

.auth-wrapper{
    display:flex;
    justify-content:center;
    align-items:center;
    height:85vh;
}

.auth-box{
    width:360px;
    background:#141414;
    padding:40px;
    border-radius:20px;
    border:1px solid rgba(255,255,255,.06);
}

.auth-box h2{
    margin-bottom:20px;
}

.auth-box input{
    width:100%;
    padding:12px;
    margin:10px 0;
    background:#0f0f0f;
    border:1px solid rgba(255,255,255,.1);
    border-radius:10px;
    color:white;
    outline:none;
}

.auth-box input:focus{
    border-color:#ff2d55;
    box-shadow:0 0 10px #ff2d5533;
}

.auth-wrapper{
display:flex;
justify-content:center;
align-items:center;
height:90vh;
}

.auth-box{
width:380px;
padding:40px;
background:#151515;
border-radius:20px;
border:1px solid rgba(255,255,255,.05);
backdrop-filter:blur(10px);
}

.auth-box h2{
font-size:28px;
margin-bottom:20px;
letter-spacing:2px;
}

.auth-box input{
width:100%;
padding:12px;
margin:10px 0;
background:#0f0f0f;
border:1px solid rgba(255,255,255,.1);
border-radius:10px;
color:white;
outline:none;
}

.auth-box input:focus{
border-color:white;
box-shadow:0 0 10px rgba(255,255,255,.15);
}

/* 🔥 دقیقا مثل download button */
.btn{
display:inline-block;
padding:15px 35px;
background:white;
color:black;
text-decoration:none;
border-radius:12px;
font-weight:bold;
cursor:pointer;
transition:.3s;
border:none;
width:100%;
}

.btn:hover{
transform:scale(1.05);
box-shadow:0 0 20px white;
}

/* پیام‌ها */
.msg{
color:#ff4d4d;
margin-top:10px;
font-size:14px;
}

}