:root{
  --primary:#00D1B2;--accent:#FFB703;--bg:#0c0e12;--card:#141823;--text:#E6EBF2;--muted:#9AA7B5;
}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;font-family:Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Helvetica Neue,Arial,Noto Sans,sans-serif;color:var(--text);background:linear-gradient(180deg,#0b0e14 0%,#0a0c12 100%)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:70;backdrop-filter:blur(10px);background:rgba(12,14,18,.65);border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px}.brand img{height:36px}.brand .name{font-weight:800;letter-spacing:.3px}
.nav{display:flex;gap:18px}.nav a{color:var(--muted);text-decoration:none;font-weight:600}.nav a:hover{color:var(--text)}
.menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.2);color:var(--text);padding:6px 10px;border-radius:10px}
.hero{position:relative;min-height:72vh;display:flex;align-items:center}
.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35;filter:saturate(.9) contrast(1.05)}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(60% 60% at 50% 40%,rgba(0,0,0,.1) 0%,rgba(0,0,0,.65) 80%)}
.hero-content{position:relative;padding:80px 0;text-align:center}
.hero h1{font-size:clamp(32px,6vw,56px);margin:0 0 10px}.tagline{color:var(--muted);font-size:clamp(14px,2.2vw,18px)}
.cta{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:.2s}
.btn.primary{background:var(--primary);color:#061216}.btn.accent{background:var(--accent);color:#1b1302}.btn.ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.25)}.btn:hover{transform:translateY(-1px);filter:brightness(1.03)}
.cta-note{margin-top:10px;color:var(--muted);font-size:14px}.socials{margin-top:18px;display:flex;gap:10px;justify-content:center}
.social{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}.social:hover{background:rgba(255,255,255,.12)}.social svg{fill:var(--text)}
section{padding:64px 0}
.features .feature-grid{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.features li{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:16px}.features h3{margin:.2rem 0 .4rem;font-size:18px}.features p{margin:0;color:var(--muted)}
.quickstart .steps{max-width:760px;margin:0 auto;padding-left:18px}.quickstart li{margin:12px 0;color:#cfd6df}.quickstart a{color:var(--primary)}
.community .btn.primary{box-shadow:0 10px 30px rgba(0,209,178,.2)}
.download .tiny{color:var(--muted);font-size:13px;margin-top:12px}
.site-footer{padding:28px 0;border-top:1px solid rgba(255,255,255,.05)}.footer-inner{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap}.footer-socials .social{width:28px;height:28px}

/* Mobile dropdown nav + backdrop */
@media (max-width: 860px){
  .nav{
    display:none;
    position:fixed;
    top:64px; left:0; right:0;
    z-index:60;
    background:var(--card);
    border-bottom:1px solid rgba(255,255,255,.08);
    flex-direction:column;
    padding:12px 16px;
    gap:12px;
  }
  .nav.open{ display:flex; }

  body.no-scroll{ overflow:hidden; }

  .menu-backdrop{
    position:fixed; inset:64px 0 0 0;
    background:rgba(0,0,0,.5);
    backdrop-filter:blur(2px);
    z-index:55; display:none;
  }
  .menu-backdrop.show{ display:block; }

  .menu-toggle{ display:inline-block; }
}