:root{
  --bg:#fbfbfd; --surface:#ffffff; --ink:#0f1222; --muted:#5b6072;
  --line:#e7e8ef; --accent:#5b34e6; --accent-2:#7c5cff; --accent-ink:#ffffff;
  --ring:rgba(91,52,230,.18); --shadow:0 1px 2px rgba(16,18,34,.04),0 8px 30px rgba(16,18,34,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0}

/* nav */
.nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;background:rgba(251,251,253,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}
.brand-logo{display:block;border-radius:9px}
.brand-name{font-weight:800}
.brand-sub{color:var(--muted);font-weight:500}
.nav nav{display:flex;align-items:center;gap:22px;font-weight:500;font-size:14px}
.nav nav a:hover{color:var(--accent)}
.langsw{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.langsw a{padding:5px 9px;font-size:12px;font-weight:700;color:var(--muted)}
.langsw a.on{background:var(--accent);color:#fff}
.langsw a:not(.on):hover{color:var(--accent)}

/* buttons */
.btn{display:inline-block;padding:11px 20px;border-radius:11px;font-weight:600;font-size:14px;
  transition:transform .08s ease,box-shadow .2s ease,background .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 6px 18px var(--ring)}
.btn-primary:hover{background:var(--accent-2)}
.btn-ghost{border:1px solid var(--line);background:var(--surface)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.big{padding:14px 26px;font-size:15px}

/* hero */
.hero{padding:96px 28px 84px;background:
  radial-gradient(1100px 500px at 80% -10%,rgba(124,92,255,.12),transparent 60%),
  radial-gradient(800px 400px at 0% 0%,rgba(91,52,230,.08),transparent 55%)}
.hero-inner{max-width:880px;margin:0 auto;text-align:center}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);background:var(--surface);border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(38px,6vw,68px);font-weight:800}
.hl{background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{max-width:620px;margin:22px auto 0;font-size:19px;color:var(--muted)}
.cta-row{display:flex;gap:12px;justify-content:center;margin:34px 0 18px;flex-wrap:wrap}
.trust{font-size:13px;color:var(--muted)}

/* sections */
.section{max-width:1080px;margin:0 auto;padding:74px 28px}
.section-alt{background:var(--surface);max-width:none;border-block:1px solid var(--line)}
.section-alt .section-title,.section-alt .grid{max-width:1080px;margin-inline:auto}
.section-title{font-size:30px;font-weight:800;margin-bottom:34px;text-align:center}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.card .ico{font-size:26px;margin-bottom:12px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.section-alt .card{border-color:var(--line)}

/* modules */
.module{display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-height:210px}
.module .tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  color:var(--accent);background:var(--ring);padding:5px 11px;border-radius:999px}
.module.soon{justify-content:space-between}
.module .btn{margin-top:auto}
.module.placeholder{align-items:center;justify-content:center;color:var(--muted);
  border-style:dashed;background:transparent;box-shadow:none;font-size:13px;gap:14px}
.module.placeholder .ph{width:46px;height:46px;border-radius:12px;background:repeating-linear-gradient(45deg,var(--line),var(--line) 6px,transparent 6px,transparent 12px)}

/* support */
.support-box{max-width:920px;margin:0 auto;display:flex;gap:32px;align-items:center;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--shadow)}
.support-box>div:first-child{flex:1;min-width:260px}
.support-box h3{font-size:22px;margin-bottom:10px}
.support-box p{color:var(--muted);margin:0 0 10px}
.support-cta{text-align:center}
.support-cta .small{margin-top:10px}

/* footer */
.footer{border-top:1px solid var(--line);background:var(--surface);padding:40px 28px 24px}
.foot-inner{max-width:1080px;margin:0 auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:22px;font-size:14px;font-weight:500}
.foot-links a:hover{color:var(--accent)}
.copyright{max-width:1080px;margin:26px auto 0;color:var(--muted);font-size:12.5px;border-top:1px solid var(--line);padding-top:18px}

.muted{color:var(--muted)}
.small{font-size:13px}
@media(max-width:640px){.nav nav a:not(.btn){display:none}.hero{padding-top:64px}}