:root{
  --bg:#07090f;--bg2:#0c1018;--panel:rgba(255,255,255,.035);--panel-b:rgba(255,255,255,.08);
  --fg:#eef1f6;--muted:#97a0b3;--line:rgba(255,255,255,.09);
  --accent:#7cb3ff;--accent2:#9d7bff;--ok:#4ade80;--warn:#fbbf24;--danger:#f87171;
  --r:16px;--shadow:0 20px 60px rgba(0,0,0,.45)
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font:17px/1.65 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
code{font:14px ui-monospace,SFMono-Regular,Menlo,monospace;background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px}
.wrap{max-width:1100px;margin:0 auto;padding:0 22px;position:relative;z-index:1}

/* backdrop */
.orbs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orbs span{position:absolute;width:60vmax;height:60vmax;border-radius:50%;filter:blur(90px);opacity:.28;animation:drift 22s ease-in-out infinite alternate}
.orbs span:nth-child(1){background:#2563eb;top:-30vmax;left:-20vmax}
.orbs span:nth-child(2){background:#7c3aed;top:10vmax;right:-30vmax;animation-delay:-8s}
.orbs span:nth-child(3){background:#0ea5e9;bottom:-35vmax;left:20vmax;animation-delay:-15s;opacity:.18}
.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 70%)}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(8vmax,6vmax) scale(1.15)}}

/* header */
header{display:flex;align-items:center;justify-content:space-between;padding:20px 0;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:var(--fg);font-weight:700;letter-spacing:-.01em;font-size:17px}
.logo:hover{text-decoration:none}
.logo img{width:32px;height:32px;border-radius:8px;box-shadow:0 4px 14px rgba(124,179,255,.35)}
nav{display:flex;align-items:center;gap:22px}
nav a{color:var(--muted);font-size:15px}nav a:hover{color:var(--fg);text-decoration:none}
nav .btn{padding:9px 16px;font-size:15px}
@media(max-width:720px){nav a:not(.btn){display:none}}

.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#07090f;font-weight:700;padding:14px 24px;border-radius:12px;transition:transform .2s,box-shadow .2s;box-shadow:0 8px 30px rgba(124,179,255,.25)}
.btn:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 36px rgba(124,179,255,.4)}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:rgba(255,255,255,.3)}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:64px 0 56px}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:36px;padding-top:40px}}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--muted);margin-bottom:22px}
.pill i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(74,222,128,.6);animation:pulse 2s infinite}
@keyframes pulse{to{box-shadow:0 0 0 10px rgba(74,222,128,0)}}
h1{font-size:clamp(36px,5.6vw,60px);line-height:1.05;letter-spacing:-.03em;font-weight:800}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:20px;max-width:560px;margin:20px 0 30px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:14px}
.trust span{display:inline-flex;align-items:center;gap:6px}
.trust svg{width:16px;height:16px;color:var(--ok)}

/* demo */
.demo{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--panel-b);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;position:relative;min-height:400px}
.demo .bar{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.demo .bar i{width:11px;height:11px;border-radius:50%;background:#3a3f4d}
.demo .bar i:nth-child(1){background:#ff5f57}.demo .bar i:nth-child(2){background:#febc2e}.demo .bar i:nth-child(3){background:#28c840}
.demo .bar b{margin-left:8px;font-weight:600;color:var(--fg)}
.msgs{padding:18px;display:flex;flex-direction:column;gap:12px;min-height:330px}
.msg{max-width:88%;padding:11px 14px;border-radius:14px;font-size:15px;line-height:1.5;opacity:0;transform:translateY(8px);animation:up .35s ease forwards}
.msg.u{align-self:flex-end;background:rgba(124,179,255,.18);border:1px solid rgba(124,179,255,.3)}
.msg.a{align-self:flex-start;background:rgba(255,255,255,.06);border:1px solid var(--line);color:#d8dde7}
.msg.t{color:var(--muted);font-size:13px;background:none;border:none;padding:0 4px}
.msg.t::before{content:"◆ ";color:var(--accent)}
@keyframes up{to{opacity:1;transform:none}}
.dialog{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%) scale(.9);width:min(360px,86%);background:#1f2430;border:1px solid rgba(255,255,255,.14);border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.6);padding:18px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;display:grid;grid-template-columns:52px 1fr;gap:14px}
.dialog.show{opacity:1;transform:translate(-50%,-50%) scale(1)}
.dialog img{width:52px;height:52px;border-radius:12px}
.dialog b{display:block;font-size:14px;margin-bottom:4px}
.dialog p{font-size:13px;color:#c5cad6;line-height:1.4}
.dialog .btns{grid-column:1/-1;display:flex;justify-content:flex-end;gap:8px;margin-top:4px}
.dialog .btns span{font-size:13px;padding:7px 14px;border-radius:8px;background:rgba(255,255,255,.08)}
.dialog .btns span.pri{background:#3b82f6;color:#fff}
.dialog .btns span.pressed{outline:2px solid var(--ok);outline-offset:2px}

/* sections */
section{padding:72px 0}
.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:12px;margin-bottom:10px}
h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.02em;line-height:1.1;margin-bottom:14px;font-weight:800}
.sub{color:var(--muted);max-width:620px;font-size:18px;margin-bottom:34px}
h3{font-size:18px;margin-bottom:6px;font-weight:700}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--panel);border:1px solid var(--panel-b);border-radius:var(--r);padding:22px;transition:transform .25s,border-color .25s,background .25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:rgba(124,179,255,.45);background:rgba(255,255,255,.055)}
.card p{color:var(--muted);font-size:15px}
.card .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(124,179,255,.25),rgba(157,123,255,.25));margin-bottom:14px}
.card .ic svg{width:20px;height:20px;color:var(--accent)}
.steps{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));counter-reset:s}
.steps div{background:var(--panel);border:1px solid var(--panel-b);border-radius:var(--r);padding:22px 22px 22px 22px}
.steps div::before{counter-increment:s;content:"0" counter(s);display:block;font-size:13px;letter-spacing:.14em;color:var(--accent);font-weight:700;margin-bottom:10px}
.steps p{color:var(--muted);font-size:15px}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;background:var(--panel);border:1px solid var(--panel-b);border-radius:var(--r);overflow:hidden}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:none}
th{color:var(--muted);font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
th:nth-child(2){color:var(--fg)}
.yes{color:var(--ok)}.no{color:var(--muted)}
.rules li{margin:8px 0 8px 20px;color:#d8dde7}
details{border:1px solid var(--panel-b);background:var(--panel);border-radius:12px;padding:0 18px;margin-bottom:10px}
summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:400}
details[open] summary::after{content:"–"}
details p{color:var(--muted);padding:0 0 16px;font-size:15px}
.final{text-align:center;padding:80px 0}
.final .btn{font-size:18px;padding:16px 30px}
footer{border-top:1px solid var(--line);padding:30px 0 50px;color:var(--muted);font-size:14px}
footer .links{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:12px}
footer a{color:var(--muted)}footer a:hover{color:var(--fg)}
.note{color:var(--muted);font-size:14px;margin-top:12px}

/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.msg{opacity:1;transform:none}.dialog{opacity:1;transform:translate(-50%,-50%)}}