:root{--bg:#0d0f12;--ink:#eef2f7;--muted:#a8b3c7;--card:#131621;--line:#20263a;--accent:#65d6ff;--accent2:#9b8cff}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,Arial}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.2;margin:0 0 10px}
.lead{color:#dfe6f7;max-width:70ch}
.micro{font-size:.8rem}
.muted{color:var(--muted)}
.section{padding:72px 22px;max-width:1100px;margin:0 auto}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0))}
/* Header */
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:rgba(13,15,18,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600}
.logo{height:28px;width:auto}
.brand-text{display:none}
.nav{display:flex;gap:18px;align-items:center}
.nav a{padding:8px 10px;border-radius:10px}
.nav a:hover{background:#151a2a}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--ink);padding:8px 12px;border-radius:10px}
/* Buttons */
.btn{display:inline-block;padding:12px 16px;border-radius:12px;border:1px solid var(--line);transition:.2s all}
.btn.small{padding:8px 12px;font-size:.95rem}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#08121c;border-color:transparent}
.btn.outline{background:transparent;border:1px solid #3a4767}
.btn.outline:hover{background:#11182b}
/* Hero with gradient grid */
.hero{position:relative;overflow:hidden}
.hero-grid{padding:120px 22px 90px;background:
  radial-gradient(1200px 400px at 20% -10%, rgba(155,140,255,.25), transparent 60%),
  radial-gradient(1200px 500px at 120% 20%, rgba(101,214,255,.25), transparent 60%),
  linear-gradient(180deg, rgba(255,255,255,.04), rgba(0,0,0,0));
}
.hero-grid:before{content:"";position:absolute;inset:0;background-image:linear-gradient(transparent 95%, rgba(255,255,255,.06) 96%),linear-gradient(90deg, transparent 95%, rgba(255,255,255,.06) 96%);background-size:40px 40px;opacity:.25;pointer-events:none}
.hero-inner{max-width:1100px;margin:0 auto;text-align:center}
.hero h1{font-size:clamp(2.2rem,1.4rem+4vw,4.2rem);letter-spacing:.2px;font-weight:800}
.cta-row{margin-top:20px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* Cards & grids */
.card-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:18px}
.card-grid.three{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:16px 0 0}
.pill-list li{border:1px solid var(--line);background:#0f1425;padding:10px 14px;border-radius:999px}
/* Pricing */
.pricing-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:18px}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;position:relative}
.price-card .tier{margin:0 0 6px}
.price-card .price{font-size:1.8rem;margin:0 0 8px}
.price-card .per{font-size:.95rem;color:var(--muted)}
.price-card .features{list-style:none;padding:0;margin:0}
.price-card .features li{position:relative;padding-left:22px;margin:8px 0}
.price-card .features li:before{content:"•";position:absolute;left:6px;top:0;color:#ffd700}
.price-card.featured{outline:1px solid #65d6ff;background:linear-gradient(180deg,rgba(101,214,255,.08),transparent 40%)}
.badge{position:absolute;top:12px;right:12px;background:#0d2a37;border:1px solid #1b6b8a;padding:6px 10px;border-radius:999px;font-size:.8rem;color:#a8f3ff}
/* Footer */
.footer-grid{display:grid;grid-template-columns:1fr;gap:18px;max-width:1100px;margin:0 auto;padding:24px 22px}
.site-footer{border-top:1px solid var(--line);margin-top:40px}
.contact-list{list-style:none;padding:0;margin:0}
.copyright{color:var(--muted);text-align:center;margin:10px 0 24px}
/* Responsive */
@media (min-width:780px){
  .brand-text{display:block}
  .nav-toggle{display:none}
  .footer-grid{grid-template-columns:2fr 1fr 1fr}
  .pricing-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:779px){
  .nav{display:none;position:absolute;top:64px;right:12px;background:#0f1425;border:1px solid var(--line);border-radius:12px;padding:10px;flex-direction:column;box-shadow:0 10px 30px rgba(0,0,0,.35)}
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .btn.small{display:inline-block}
}