/* --- Base --- */
*{box-sizing:border-box}
:root{
  --bg:#0b0f14;
  --fg:#e7ebf0;
  --muted:#9aa4b2;
  --line:#1b232e;
  --glass:rgba(255,255,255,0.06);
  --blur:14px;
  --primary: #ffffff;
}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 ui-sans-serif,system-ui,Segoe UI,Helvetica,Arial}
a{color:var(--fg);text-decoration:none;opacity:.9}
a:hover{opacity:1}
.container{max-width:1100px;margin:0 auto;padding:0 24px}

/* --- Header --- */
.site-header{position:sticky;top:0;z-index:20;background:linear-gradient(180deg, rgba(11,15,20,.92), rgba(11,15,20,.8) 60%, rgba(11,15,20,0));backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;letter-spacing:.5px}
.logo span{opacity:.65}
.nav{display:none;gap:20px}
@media(min-width:860px){.nav{display:flex}}

.btn{border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(var(--blur));color:var(--fg);padding:10px 14px;border-radius:10px;cursor:pointer;transition:transform .12s ease, opacity .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--primary);color:#000;border-color:#000}
.btn.ghost{background:transparent}
.btn.full{width:100%}

.icon-btn{background:transparent;border:1px solid var(--line);color:var(--fg);border-radius:8px;padding:6px 10px;cursor:pointer;opacity:.9}
.icon-btn:hover{opacity:1}

/* --- Hero --- */
.hero{padding:96px 0 48px}
.headline{font-size:clamp(32px,6vw,56px);letter-spacing:-.02em;margin:0 0 12px}
.subhead{color:var(--muted);max-width:720px;margin:0 auto}
.cta-wrap{margin-top:28px}

/* --- Sections --- */
.section{padding:28px 0}
.grid-3{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:860px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{border:1px solid var(--line);border-radius:16px;padding:22px}
.glass{background:var(--glass);backdrop-filter:blur(var(--blur))}

/* --- Roadmap --- */
.roadmap{list-style:none;padding:0;margin:0}
.roadmap li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.roadmap li:last-child{border-bottom:none}
.dot{width:8px;height:8px;border-radius:50%;background:#7aa2ff;display:inline-block}

/* --- Footer --- */
.site-footer{padding:48px 0;color:var(--muted)}

/* --- Panel --- */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);z-index:40}
.panel{position:fixed;left:0;right:0;bottom:0;transform:translateY(105%);transition:transform .28s ease;z-index:50}
.panel.open{transform:translateY(0)}
.panel-inner{margin:0 auto;max-width:560px;background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--line);border-top-left-radius:16px;border-top-right-radius:16px;padding:18px 18px 22px}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.form{display:grid;gap:12px}
.form label span{display:block;margin-bottom:6px;color:var(--muted)}
input,textarea{width:100%;padding:12px 12px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--fg)}
input::placeholder,textarea::placeholder{color:#748192}
.fine{color:var(--muted);font-size:12px;margin-top:4px}
.success{display:grid;place-items:center;gap:6px;padding:18px 0;text-align:center}
.success .check{font-size:28px;line-height:1.2;background:#9ae6b4;color:#083;border-radius:999px;width:42px;height:42px;display:grid;place-items:center}