:root {
  --bg: #0b0614;
  --card: rgba(28, 14, 46, 0.82);
  --line: rgba(198, 160, 255, 0.22);
  --text: #f6efff;
  --muted: #b7a4d6;
  --accent: #b57cff;
  --accent-2: #7c5cff;
  --ok: #8dffc1;
  --err: #ff8fad;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}
.bg {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(124, 92, 255, 0.35), transparent 60%),
    radial-gradient(700px 420px at 90% 10%, rgba(181, 124, 255, 0.22), transparent 55%),
    radial-gradient(600px 500px at 50% 100%, rgba(88, 40, 140, 0.28), transparent 60%),
    var(--bg);
}
.wrap { width: min(880px, calc(100% - 2rem)); margin: 0 auto; padding: 2.5rem 0 4rem; }
.hero { margin-bottom: 1.5rem; }
.eyebrow {
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent);
  font-size: 0.75rem; margin: 0 0 0.75rem;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; margin: 0 0 0.75rem; }
h2 { margin: 0 0 1rem; font-size: 1.4rem; }
h3 { margin: 0 0 0.6rem; font-size: 0.95rem; color: var(--muted); font-weight: 600; }
h4 { margin: 0.9rem 0 0.45rem; font-size: 0.86rem; color: var(--accent); font-weight: 600; }
.lead, .blurb, .hint, footer p, .body { color: var(--muted); line-height: 1.55; }
.hook {
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--text);
  margin: 0 0 1.2rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.25rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.glow { box-shadow: 0 0 0 1px rgba(181,124,255,0.15), 0 24px 80px rgba(88,40,140,0.35); }
form { display: grid; gap: 0.9rem; }
label { display: grid; gap: 0.35rem; font-size: 0.9rem; color: var(--muted); }
input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(8, 4, 16, 0.55);
  color: var(--text);
  padding: 0.8rem 0.9rem;
  font-size: 1rem;
}
input:focus { outline: 2px solid rgba(181,124,255,0.45); border-color: transparent; }
.row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr 1fr; } }
button {
  border: 0; border-radius: 14px; padding: 0.95rem 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white; font-weight: 700; font-size: 1rem; cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: wait; }
button.ghost {
  background: transparent; border: 1px solid var(--line); color: var(--text); width: 100%;
}
.hint { margin: 0; font-size: 0.85rem; }
.error { color: var(--err); margin: 0.8rem 0 0; }
.ok { color: var(--ok); }
.result { margin-top: 1.25rem; }
.pills { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.pill {
  border: 1px solid var(--line); background: rgba(181,124,255,0.12);
  border-radius: 999px; padding: 0.4rem 0.75rem; font-size: 0.9rem;
}
.block {
  margin: 1.15rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.85rem;
}
@media (max-width: 640px) { .mini-grid { grid-template-columns: 1fr; } }
.mini {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem;
  background: rgba(8, 4, 16, 0.28);
}
.mini p { margin: 0; color: var(--text); line-height: 1.45; font-size: 0.95rem; }
.basics {
  display: grid;
  gap: 0.65rem;
}
.basic {
  display: grid;
  gap: 0.2rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  background: rgba(8, 4, 16, 0.22);
}
.basic strong { color: var(--text); }
.basic span { color: var(--muted); line-height: 1.45; font-size: 0.92rem; }
.centers {
  display: grid;
  gap: 0.65rem;
}
.center {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 0.95rem;
  background: rgba(8, 4, 16, 0.22);
}
.center.defined { border-color: rgba(141, 255, 193, 0.28); }
.center.open { border-color: rgba(181, 124, 255, 0.28); }
.center-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}
.center-top span { color: var(--muted); }
.center p { margin: 0; color: var(--text); line-height: 1.45; font-size: 0.95rem; }
ul { margin: 0; padding-left: 1.1rem; color: var(--text); }
li { margin: 0.25rem 0; line-height: 1.45; }
.gates p { margin: 0; color: var(--text); line-height: 1.5; word-break: break-word; }
.upsell {
  margin-top: 1.3rem; padding-top: 1.1rem; border-top: 1px solid var(--line);
}
footer { margin-top: 2rem; text-align: center; font-size: 0.85rem; }