body{
margin:0;
font-family:Inter,system-ui;
background:#f5f6f8;
color:#111;
}

.nav{
background:white;
border-bottom:1px solid #e5e7eb;
}

.nav-inner{
max-width:1100px;
margin:auto;
display:flex;
justify-content:space-between;
padding:16px;
}

.nav a{
margin-left:20px;
text-decoration:none;
color:#444;
font-weight:500;
}

.nav a.logo {
  margin-left: 0;
  margin-bottom: -20px;
}

.hero{
display:flex;
gap:60px;
align-items:center;
justify-content:center;
padding:100px 20px;
background:linear-gradient(#fff,#f5f6f8);
}

.hero-text{max-width:420px;}

.hero h1{font-size:64px;margin:0;}

.tag{font-size:22px;color:#666;}

.download{
display:inline-block;
margin-top:25px;
background:#007aff;
color:white;
padding:14px 26px;
border-radius:10px;
text-decoration:none;
font-weight:600;
}

.mac-window{
width:520px;
background:white;
border-radius:14px;
box-shadow:0 40px 80px rgba(0,0,0,.15);
overflow:hidden;
}

.traffic{
display:flex;
gap:8px;
padding:10px;
background:#f1f1f1;
}

.traffic span{
width:12px;height:12px;border-radius:50%;background:#ddd;
}

.mac-window img{width:100%;display:block;}

.carousel{
position:relative;
width:562px;
max-width:100%;
border-radius:14px;
overflow:hidden;
}

.carousel-track{
display:flex;
transition:transform .5s ease;
}

.carousel-slide{
flex:0 0 100%;
width:100%;
display:block;
height:auto;
}

.carousel-btn{
position:absolute;
top:50%;
transform:translateY(-50%);
background:rgba(0,0,0,.5);
color:white;
border:none;
width:40px;
height:40px;
border-radius:50%;
font-size:24px;
line-height:1;
cursor:pointer;
display:flex;
align-items:center;
justify-content:center;
opacity:0;
transition:opacity .25s ease, background .2s ease;
}

.carousel-btn:hover{background:rgba(0,0,0,.75);}
.carousel-prev{left:12px;}
.carousel-next{right:12px;}

.carousel-dots{
position:absolute;
bottom:12px;
left:0;
right:0;
display:flex;
justify-content:center;
gap:8px;
opacity:0;
transition:opacity .25s ease;
}

.carousel-dot{
width:10px;
height:10px;
border-radius:50%;
border:none;
background:rgba(255,255,255,.5);
cursor:pointer;
padding:0;
}

.carousel-dot.is-active{background:white;}

.carousel:hover .carousel-btn,
.carousel:hover .carousel-dots,
.carousel:focus-within .carousel-btn,
.carousel:focus-within .carousel-dots{
opacity:1;
}

.feature-grid{
max-width:1100px;
margin:60px auto;
padding:0 20px;
display:grid;
grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
gap:24px;
}

.card{
background:white;
padding:28px;
border-radius:14px;
box-shadow:0 10px 25px rgba(0,0,0,.05);
}

.page{
max-width:800px;
margin:auto;
padding:60px 20px;
}

.timeline{
border-left:3px solid #007aff;
padding-left:20px;
}

.footer{
text-align:center;
padding:40px;
color:#888;
}

.downloads-sub{
font-size:18px;
color:#666;
}

.detected-platform{
background:white;
border-radius:14px;
padding:28px;
box-shadow:0 10px 25px rgba(0,0,0,.05);
margin-bottom:40px;
text-align:center;
}

.download-primary{
font-size:18px;
padding:16px 32px;
}

.platform-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:24px;
}

.platform-card{
display:flex;
flex-direction:column;
align-items:flex-start;
}

.platform-card .download{
margin-top:auto;
font-size:14px;
padding:10px 18px;
}

.platform-badge{
display:inline-block;
font-size:12px;
font-weight:600;
padding:3px 10px;
border-radius:20px;
margin-bottom:8px;
}

.platform-badge.beta{
background:#d1fae5;
color:#065f46;
}

.platform-badge.alpha{
background:#fef3c7;
color:#92400e;
}

.platform-current{
border:2px solid #007aff;
}