:root{
  --bg:#0B0F10; --panel:#11181A; --muted:#152022;
  --text:#D8ECE9; --soft:#9EDBD0; --accent:#00F0FF; --accent2:#00FF9D; --ring:#1EFFD0;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;font-family:Inter,system-ui,Arial,sans-serif}
a{color:var(--accent)}
.bg-base{background:radial-gradient(1200px 600px at 70% -10%, rgba(0,240,255,0.08), transparent), linear-gradient(180deg,var(--bg),#070A0B)}
.text-body{color:var(--text)}
.maxw{max-width:900px;margin:0 auto}
.nav{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;background:rgba(17,24,26,.8);backdrop-filter:blur(8px);padding:.8rem 1rem;border-bottom:1px solid #162629}
.brand{font-weight:700;letter-spacing:.2px;color:var(--text);text-decoration:none}
.nav-links{display:none;gap:1rem}
.nav-links a{color:var(--soft);text-decoration:none;font-weight:600}
@media(min-width:900px){.nav-links{display:flex}}
.hero{position:relative;padding:5rem 1rem 4rem}
.hero-inner{max-width:960px;margin:0 auto;text-align:center}
.hero h1{font-size:2rem;margin:0 0 .6rem}
.lead{opacity:.85;max-width:840px;margin:0 auto 1.2rem}
.cta-row{display:flex;justify-content:center;gap:.7rem;margin-top:.8rem}
.btn{display:inline-block;background:#132022;color:var(--text);border:1px solid #243234;padding:.7rem 1rem;border-radius:.8rem;font-weight:700;text-decoration:none}
.btn.primary{background:linear-gradient(90deg,var(--accent2),var(--accent));color:#051214}
.note{opacity:.8;margin-top:.9rem}
.glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(600px 300px at 50% -20%, rgba(0,255,157,.16), transparent)}
.section{padding:3rem 1rem}
.section.alt{background:linear-gradient(180deg,#0A0F10,var(--bg))}
.section h2{text-align:center;margin:0 0 1rem;font-size:1.4rem}
.grid3{display:grid;grid-template-columns:1fr;gap:.9rem;max-width:1100px;margin:0 auto}
@media(min-width:800px){.grid3{grid-template-columns:repeat(3,1fr)}}
.grid2{display:grid;grid-template-columns:1fr;gap:.9rem;max-width:900px;margin:0 auto}
@media(min-width:800px){.grid2{grid-template-columns:repeat(2,1fr)}}
.grid4{display:grid;grid-template-columns:1fr;gap:.9rem;max-width:1200px;margin:0 auto}
@media(min-width:900px){.grid4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--panel);border:1px solid #1e2e31;border-radius:1rem;padding:1rem}
.muted{opacity:.6;text-align:center;margin-top:.6rem}