:root{
  --bg1:#0f172a; /* slate-900 */
  --bg2:#111827; /* gray-900 */
  --acc:#22d3ee; /* cyan-400 */
  --acc2:#60a5fa; /* blue-400 */
  --text:#e5e7eb; /* gray-200 */
  --muted:#94a3b8; /* slate-400 */
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font:500 16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;
  color:var(--text);
  background: radial-gradient(1200px 800px at 80% -20%, #1f2937 0%, transparent 60%),
              radial-gradient(900px 600px at -10% 120%, #0b1220 0%, transparent 60%),
              linear-gradient(135deg,var(--bg2),var(--bg1));
}
.container{
  min-height:100vh; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:40px 16px;
}
.card{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:20px; padding:32px 28px; backdrop-filter: blur(8px);
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
  max-width:900px; width:100%;
}
h1{font-size: clamp(28px, 5vw, 48px); margin:0 0 8px; letter-spacing:.5px}
.subtitle{color:var(--muted); margin-bottom:24px}
.badge{
  display:inline-flex; align-items:center; gap:8px; padding:8px 12px;
  border-radius:999px; background: rgba(34,211,238,.12); color:#b8e9f3; border:1px solid rgba(34,211,238,.35);
  margin-bottom:14px; font-size:14px; letter-spacing:.3px
}
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:16px; margin-top:22px}
.tile{
  background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.08);
  border-radius:16px; padding:16px; height:100%;
}
footer{margin-top:26px; color:var(--muted); font-size:14px}
.logo{
  font-weight:800; letter-spacing:1px; text-transform:uppercase; color:transparent;
  background: linear-gradient(90deg, var(--acc), var(--acc2)); -webkit-background-clip:text; background-clip:text;
}
.btn{
  display:inline-block; padding:12px 18px; border-radius:12px; border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(135deg, rgba(34,211,238,.2), rgba(96,165,250,.2));
  color:white; text-decoration:none; transition:transform .15s ease, box-shadow .2s ease;
}
.btn:hover{ transform: translateY(-1px); box-shadow:0 10px 25px rgba(14,165,233,.25) }
hr{border:none; border-top:1px solid rgba(255,255,255,.08); margin:18px 0}
.form{display:flex; gap:8px; justify-content:center; margin-top:12px; flex-wrap:wrap}
.input{
  min-width:260px; padding:12px 14px; border-radius:12px; border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06); color:#fff; outline:none
}
.small{font-size:12px}
/* responsive image */
.hero-img{max-width: 320px; width: 70vw; height:auto; margin:0 auto 10px; display:block}