:root {
  --bg1: #0f172a;  /* slate-900 */
  --bg2: #1e293b;  /* slate-800 */
  --card: rgba(255,255,255,0.06);
  --text: #e2e8f0; /* slate-200 */
  --muted: #94a3b8; /* slate-400 */
  --accent: #38bdf8; /* sky-400 */
  --glow: 0 10px 30px rgba(56, 189, 248, 0.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  color: var(--text);
  background: radial-gradient(1200px 800px at 80% -10%, #0ea5e9 0%, transparent 60%),
              linear-gradient(160deg, var(--bg1), var(--bg2));
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(720px, 92vw);
  background: var(--card);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--glow);
  position: relative;
  overflow: hidden;
  animation: fadeIn 1s ease-in;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

h1 {
  margin: 14px 0 8px;
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.highlight { color: var(--accent); }

p.lead {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: clamp(14px, 2.2vw, 18px);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 600;
  transition: all 0.25s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary {
  background: var(--accent);
  color: #0c4a6e;
  box-shadow: var(--glow);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(56, 189, 248, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.25);
}
.btn-ghost:hover {
  background: rgba(148,163,184,0.08);
  transform: translateY(-2px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.tile {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 16px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(56,189,248,0.2);
}

.tile h3 {
  margin: 0 0 6px;
  font-size: 16px;
}
.tile p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

footer {
  margin-top: 26px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.spark {
  position: absolute;
  inset: -40%;
  background: radial-gradient(600px 300px at 20% 0%, rgba(56,189,248,0.12), transparent 60%),
              radial-gradient(600px 300px at 90% 80%, rgba(168,85,247,0.1), transparent 60%);
  pointer-events: none;
  filter: blur(10px);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}