:root{
  --bg:#0b1220;
  --fg:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --card:rgba(255,255,255,.08);
  --stroke:rgba(255,255,255,.12);
  --shadow:0 18px 60px rgba(0,0,0,.45);
  --accent1:#7c3aed; /* violet */
  --accent2:#22c55e; /* green */
  --accent3:#06b6d4; /* cyan */
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(1200px 700px at 10% 10%, rgba(124,58,237,.45), transparent 55%),
              radial-gradient(900px 600px at 90% 20%, rgba(6,182,212,.35), transparent 55%),
              radial-gradient(700px 700px at 40% 90%, rgba(34,197,94,.25), transparent 55%),
              var(--bg);
  color:var(--fg);
}

a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:18px 16px 40px}

/* topbar */
.topbar{
  position:sticky;top:0;z-index:20;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.65);
  border-bottom:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:42px;height:42px;border-radius:14px;
  background: linear-gradient(135deg, rgba(124,58,237,1), rgba(6,182,212,1));
  display:flex;align-items:center;justify-content:center;
  font-weight:800;letter-spacing:.5px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.brand-title{font-weight:700}
.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}

.nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.navlink{
  text-decoration:none;
  padding:8px 10px;border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  font-size:13px;
}
.navlink:hover{background: rgba(255,255,255,.08)}

/* toast */
.toast{border:1px solid var(--stroke);background: rgba(255,255,255,.06);padding:10px 12px;border-radius:14px;margin:10px 0}
.toast.ok{border-color: rgba(34,197,94,.35)}
.toast.err{border-color: rgba(239,68,68,.35)}

/* hero */
.hero{position:relative;margin-top:14px}
.hero-bg{
  position:absolute;inset:0;border-radius:22px;
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
}
.hero-card{position:relative;padding:22px 18px}
.kicker{font-size:12px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase}
.headline{margin:8px 0 10px;font-size:34px;line-height:1.1}
.meta{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 12px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  font-size:13px;
}
.chip.subtle{color:var(--muted)}
.desc{margin:0 0 14px;color:var(--muted);max-width:70ch}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.btn{
  text-decoration:none;display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  font-weight:600;
}
.btn.primary{
  border-color: rgba(124,58,237,.55);
  background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(6,182,212,.65));
}
.btn.ghost{background: rgba(255,255,255,.03)}
.btn:hover{transform: translateY(-1px)}
.fineprint{margin-top:12px;font-size:12px;color:rgba(234,240,255,.60)}

/* sections */
.section{margin-top:22px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;flex-wrap:wrap}
.section-head h2{margin:0;font-size:22px}
.small{font-size:12px;color:var(--muted)}

.grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap:12px;
  margin-top:12px;
}
.card{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  border-radius:18px;
  padding:14px 14px 12px;
  box-shadow: 0 12px 35px rgba(0,0,0,.25);
  overflow:hidden;
  position:relative;
}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.badge{
  font-size:11px;color:rgba(234,240,255,.85);
  padding:5px 9px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.spark{
  width:28px;height:28px;border-radius:12px;
  background: radial-gradient(circle at 30% 30%, rgba(34,197,94,.75), rgba(124,58,237,.30), transparent 70%);
  filter: blur(.2px);
}
.card-title{font-weight:700;font-size:16px}
.card-price{font-size:18px;margin-top:6px}
.card-actions{margin-top:10px}
.mini{
  display:inline-block;text-decoration:none;
  padding:7px 10px;border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  font-size:13px;
}
.mini:hover{background: rgba(255,255,255,.08)}

/* info blocks */
.info{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.info-card{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  border-radius:18px;padding:14px;
}
.info-card h3{margin:0 0 8px}
.steps{margin:0;padding-left:18px;color:var(--muted)}
.steps li{margin:8px 0}

/* footer */
.footer{
  margin-top:26px;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  color:rgba(234,240,255,.72);
  font-size:13px;
}
.footer-links{display:flex;gap:12px}
.footer-links a{text-decoration:none;color:rgba(234,240,255,.85)}
.footer-links a:hover{text-decoration:underline}

/* responsive */
@media (max-width: 980px){
  .grid{grid-template-columns: repeat(2, minmax(0, 1fr));}
  .headline{font-size:30px}
}
@media (max-width: 520px){
  .grid{grid-template-columns: 1fr;}
  .headline{font-size:26px}
  .hero-card{padding:18px 14px}
  .nav{gap:8px}
  .navlink{padding:7px 9px}
  .info{grid-template-columns:1fr}
}