/* ============ Aolva design system ============ */
:root{
  --bg:#050507;
  --bg-2:#0b0b11;
  --panel:#101018;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --ink:#f4f4f7;
  --muted:#9a9aa8;
  --muted-2:#6c6c7a;
  --accent:#7c5cff;
  --accent-2:#39d6ff;
  --glow:rgba(124,92,255,.55);
  --radius:16px;
  --max:1320px;
  --display:'Space Grotesk','Noto Sans SC',system-ui,sans-serif;
  --body:'Inter','Noto Sans SC',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted-2);font-weight:600}
.accent{color:var(--accent-2)}

/* ---- NAV ---- */
header{position:fixed;inset:0 0 auto 0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(5,5,7,.55);border-bottom:1px solid transparent;transition:.3s}
header.scrolled{border-color:var(--line);background:rgba(5,5,7,.86)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:19px}
.logo{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;overflow:hidden;
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 10px 26px -18px rgba(255,255,255,.8)}
.logo img{width:100%;height:100%;object-fit:cover;display:block}
.logo svg{width:17px;height:17px}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--muted);font-weight:500;align-items:center}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink)}
/* dropdown */
.has-menu{position:relative}
.has-menu>a::after{content:'⌄';margin-left:5px;color:var(--muted-2);font-size:12px}
.menu{position:absolute;top:130%;left:50%;transform:translateX(-50%) translateY(6px);
  min-width:230px;background:#0d0d14;border:1px solid var(--line);border-radius:14px;padding:8px;
  opacity:0;visibility:hidden;transition:.18s;box-shadow:0 30px 70px -30px rgba(0,0,0,.8)}
.has-menu:hover .menu{opacity:1;visibility:visible;transform:translateX(-50%)}
.menu a{display:block;padding:10px 12px;border-radius:9px;color:var(--muted);font-size:13.5px}
.menu a:hover{background:rgba(255,255,255,.05);color:var(--ink)}
.menu a b{display:block;color:var(--ink);font-weight:600;font-size:14px}
.menu a span{font-size:12px;color:var(--muted-2)}
.menu a .ext{color:var(--accent-2)}
.nav-cta{display:flex;align-items:center;gap:14px}
.langsw{position:relative;display:inline-block}
.langtrig{display:inline-flex;align-items:center;justify-content:space-between;gap:7px;width:58px;
  border:1px solid var(--line-2);border-radius:9px;background:none;color:var(--muted);
  font-size:12.5px;font-weight:600;padding:8px 10px;cursor:pointer;font-family:var(--body)}
.langtrig:hover{color:var(--ink);border-color:rgba(255,255,255,.3)}
.langcaret{font-size:9px;color:var(--muted-2);transition:transform .15s}
.langsw.open .langcaret{transform:rotate(180deg)}
.langmenu{position:absolute;top:calc(100% + 6px);right:0;min-width:132px;background:#0d0d14;
  border:1px solid var(--line);border-radius:11px;padding:6px;opacity:0;visibility:hidden;
  transform:translateY(-4px);transition:.15s;z-index:60;box-shadow:0 24px 60px -24px rgba(0,0,0,.85)}
.langsw.open .langmenu{opacity:1;visibility:visible;transform:none}
.langopt{display:block;width:100%;text-align:left;border:0;background:none;color:var(--muted);
  font-size:13px;padding:9px 11px;border-radius:8px;cursor:pointer;font-family:var(--body)}
.langopt:hover{background:rgba(255,255,255,.05);color:var(--ink)}
.langopt.on{background:rgba(124,92,255,.18);color:#fff}
@media(max-width:920px){.langsw{display:none}}
.btn{font-family:var(--body);font-weight:600;font-size:14px;border-radius:11px;padding:10px 18px;
  border:1px solid var(--line-2);color:var(--ink);background:transparent;cursor:pointer;
  transition:.2s;display:inline-flex;align-items:center;gap:8px}
.btn:hover{border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.04)}
.btn.primary{border-color:transparent;background:linear-gradient(135deg,var(--accent),#5a34ff);
  box-shadow:0 10px 30px -10px var(--glow)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.lg{padding:14px 26px;font-size:15px;border-radius:13px}
@media(max-width:920px){.nav-links{display:none}}

/* ---- generic section ---- */
main{padding-top:68px}
section.blk{padding:100px 0;position:relative}
.head{max-width:660px}
.head.center{margin:0 auto;text-align:center}
.head h1{font-family:var(--display);font-weight:600;letter-spacing:-.01em;
  font-size:clamp(34px,5.4vw,58px);line-height:1.05;margin:14px 0 0}
.head h2{font-family:var(--display);font-weight:600;letter-spacing:-.01em;
  font-size:clamp(28px,4.2vw,44px);line-height:1.08;margin:14px 0 0}
.head p{color:var(--muted);font-size:16.5px;margin:16px 0 0}

/* page hero (interior pages) */
.page-hero{padding:120px 0 60px;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;left:50%;top:-140px;width:760px;height:420px;
  transform:translateX(-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.20),transparent 65%);filter:blur(12px);z-index:0}
.page-hero .wrap{position:relative;z-index:1}

/* ---- cards / grid ---- */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:1fr}.g2{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  background:linear-gradient(180deg,rgba(255,255,255,.025),transparent);transition:.25s;
  position:relative;overflow:hidden;display:flex;flex-direction:column;height:100%}
.card:hover{border-color:var(--line-2);transform:translateY(-4px)}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.28);margin-bottom:18px}
.card .ic svg{width:22px;height:22px;stroke:var(--accent-2);fill:none;stroke-width:2}
.card h3{font-family:var(--display);font-size:19px;margin:0 0 8px;font-weight:600}
.card p{color:var(--muted);font-size:14.5px;margin:0;flex:1}
.card .more{color:var(--accent-2);font-size:13.5px;font-weight:600;margin-top:18px}
.pill{display:inline-block;font-size:11px;font-weight:600;color:var(--accent-2);
  border:1px solid rgba(57,214,255,.3);border-radius:6px;padding:2px 8px;margin-left:8px}

/* ---- stats ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr);gap:36px 24px}}
.stat .n{font-family:var(--display);font-weight:700;font-size:clamp(30px,4.6vw,48px);
  background:linear-gradient(180deg,#fff,#b9b3e8);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{color:var(--muted-2);font-size:13.5px;margin-top:6px}

/* ---- CTA ---- */
.cta{position:relative;text-align:center;border:1px solid var(--line);border-radius:26px;
  padding:72px 28px;overflow:hidden;
  background:radial-gradient(90% 140% at 50% 0%,rgba(124,92,255,.22),transparent 60%),var(--bg-2)}
.cta h2{font-family:var(--display);font-size:clamp(30px,5vw,48px);font-weight:600;margin:0;letter-spacing:-.01em}
.cta p{color:var(--muted);max-width:520px;margin:18px auto 0}
.actions{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}

/* ---- FOOTER ---- */
footer{border-top:1px solid var(--line);padding:64px 0 40px;margin-top:20px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
@media(max-width:760px){.foot{grid-template-columns:1fr 1fr}}
.foot h4{font-size:13px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.14em;margin:0 0 16px;font-weight:600}
.foot a{display:block;color:var(--muted);font-size:14px;margin-bottom:11px}
.foot a:hover{color:var(--ink)}
.foot-brand p{color:var(--muted-2);font-size:13.5px;margin:14px 0 0;max-width:260px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:48px;
  padding-top:26px;border-top:1px solid var(--line);color:var(--muted-2);font-size:13px;flex-wrap:wrap;gap:14px}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* misc */
.lead{font-size:17px;color:var(--muted);max-width:640px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.list-check{list-style:none;padding:0;margin:20px 0 0}
.list-check li{position:relative;padding:8px 0 8px 30px;color:var(--muted);font-size:15px}
.list-check li::before{content:'';position:absolute;left:0;top:15px;width:14px;height:8px;
  border-left:2px solid var(--accent-2);border-bottom:2px solid var(--accent-2);transform:rotate(-45deg)}