:root{--bg:#f0f0f5;--card:#ffffff;--muted:#6b7280;--brand:#1b6ec2;--link:#0077cc;--max-width:1100px}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:#0b1220;line-height:1.5}
.container{max-width:var(--max-width);margin:0 auto;padding:28px}
.site-header{background:transparent;padding:10px 0;border-bottom:1px solid rgba(11,17,32,0.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.brand-link{display:flex;align-items:center;text-decoration:none}
.logo-img{height:40px;width:auto;display:block}
@media(min-width:900px){.logo-img{height:48px}}
.nav{display:none !important; display:flex;gap:12px;align-items:center}
.nav a{color:var(--muted);text-decoration:none;padding:8px;border-radius:6px}
.nav a:hover{color:var(--brand);background:rgba(27,110,194,0.06)}
.hero{padding:56px 0 36px}
.hero h1{font-size:28px;margin:0 0 12px}
.lead{color:var(--muted);margin:0 0 14px}
.notice{display:inline-block;padding:6px 12px;border-radius:8px;background:rgba(27,110,194,0.06);color:var(--brand);font-weight:600}
.btn{display:inline-block;margin-top:12px;background:var(--brand);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;border:none;cursor:pointer}
.features, .about, .roadmap{background:var(--card);margin-top:20px;padding:20px;border-radius:10px;box-shadow:0 6px 18px rgba(11,17,32,0.04)}
.features ul, .roadmap ol{margin:8px 0 0;padding-left:20px;color:var(--muted)}
.site-footer{padding:18px 0;color:var(--muted);text-align:center;margin-top:28px}
@media(max-width:600px){.nav{display:none !important; gap:8px}.logo-img{height:36px}}

/* Hero logo centered */
.hero-logo{display:flex;justify-content:center;margin-bottom:48px}
.hero-logo img{max-width:260px;height:auto}
@media(min-width:900px){.hero-logo img{max-width:300px}}