:root {
  --bg: #0b0c10;
  --panel: #0f1118;
  --card: #121523;
  --text: #e8edf7;
  --muted: #9aa3b5;
  --accent: #3cf4c7;
  --accent-2: #7fb4ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
  --radius: 20px;
  font-family: "Space Grotesk", "Segoe UI", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(124, 239, 200, 0.08), transparent 35%),
              radial-gradient(circle at 80% 0%, rgba(127, 180, 255, 0.08), transparent 35%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main { padding: 40px 24px 80px; max-width: 1200px; margin: 0 auto; }

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(11, 12, 16, 0.8);
  backdrop-filter: blur(10px);
  z-index: 10;
  border-bottom: 1px solid var(--border);
}

.nav nav a, .ghost {
  color: var(--text);
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
  opacity: 0.8;
}

.nav nav a:hover, .ghost:hover { opacity: 1; }

.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; letter-spacing: 0.3px; }
.brain-dot { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 0 12px rgba(60, 244, 199, 0.8); }

.hero { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; align-items: center; }

.hero-copy h1 { font-size: clamp(34px, 4vw, 46px); margin: 12px 0; line-height: 1.2; }
.lede { color: var(--muted); max-width: 540px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.2em; font-size: 12px; color: var(--accent); margin: 0; }

.actions { display: flex; gap: 12px; margin: 20px 0 10px; }
.primary, .secondary, .ghost, .demo-form button {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease, border 0.2s ease, background 0.2s ease;
}

.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0a0a0f; border: none; box-shadow: 0 15px 45px rgba(60, 244, 199, 0.35); }
.secondary { background: rgba(255,255,255,0.05); }
.primary:hover, .secondary:hover, .ghost:hover, .demo-form button:hover { transform: translateY(-1px); }

.pill-trio { display: flex; gap: 10px; flex-wrap: wrap; }
.pill-trio span { border: 1px solid var(--border); border-radius: 999px; padding: 8px 12px; color: var(--muted); font-size: 13px; }

.demo-panel {
  background: linear-gradient(180deg, rgba(18, 21, 35, 0.9), rgba(15, 17, 26, 0.95));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.demo-panel::before {
  content: "";
  position: absolute;
  inset: -120px -60px auto auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(60, 244, 199, 0.15), transparent 65%);
  transform: rotate(-12deg);
}

.demo-header { display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 1; }
.badge { background: rgba(127, 180, 255, 0.15); color: var(--accent-2); padding: 6px 10px; border-radius: 10px; font-weight: 700; font-size: 12px; letter-spacing: 0.02em; }

.demo-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin: 14px 0 16px; position: relative; z-index: 1; }
.demo-form input {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: rgba(255,255,255,0.03); color: var(--text);
}
.demo-form input:focus { outline: 1px solid var(--accent-2); }
.demo-form button { background: var(--accent-2); color: #0a0a0f; border: none; }

.demo-results { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 14px; padding: 16px; display: grid; gap: 12px; position: relative; z-index: 1; }
.summary-head h4 { margin: 4px 0 0; }
.summary-list { margin: 0; padding-left: 18px; color: var(--text); }
.summary-list li + li { margin-top: 4px; }
.quotes { display: grid; gap: 10px; }
.quote { background: rgba(255,255,255,0.03); border: 1px solid var(--border); padding: 10px 12px; border-radius: 10px; }
.quote span { color: var(--muted); font-size: 13px; }
.actions-next h5 { margin: 0 0 6px; }
.actions-next ol { margin: 0; padding-left: 18px; color: var(--text); }
.actions-next li + li { margin-top: 4px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 50px 0 30px; }
.grid article { background: var(--card); border: 1px solid var(--border); padding: 18px; border-radius: var(--radius); box-shadow: var(--shadow); }
.grid h3 { margin: 6px 0; }
.grid p { color: var(--muted); }

.timeline { margin-top: 20px; background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.timeline-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 14px; }
.card-label { color: var(--accent); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 4px; }
.card h4 { margin: 0 0 6px; }
.small { color: var(--muted); font-size: 14px; margin: 0; }

.footer { max-width: 1200px; margin: 50px auto 30px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 14px; color: var(--muted); flex-wrap: wrap; }
.footer-links a { color: var(--muted); text-decoration: none; margin-left: 14px; }
.footer-links a:hover { color: var(--text); }

.bg-aurora { position: fixed; inset: 0; pointer-events: none; background: radial-gradient(circle at 15% 30%, rgba(60,244,199,0.08), transparent 30%), radial-gradient(circle at 85% 10%, rgba(127,180,255,0.08), transparent 30%), radial-gradient(circle at 50% 80%, rgba(255,255,255,0.06), transparent 25%); filter: blur(8px); opacity: 0.9; }

@media (max-width: 640px) {
  .nav nav { display: none; }
  .demo-form { grid-template-columns: 1fr; }
  .actions { flex-direction: column; }
  .nav { position: sticky; }
}