:root {
  --bg0: #0b0c10;
  --bg1: #0f1220;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --subtle: rgba(255, 255, 255, 0.56);
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px rgba(0,0,0,0.55);
  --radius: 18px;

  --font: ui-sans-serif, system-ui, -apple-system, "Inter", Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% 10%, #1b1f3f 0%, transparent 60%),
              radial-gradient(900px 500px at 80% 20%, #3a1b3f 0%, transparent 55%),
              linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 100%);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(800px 500px at 50% 0%, rgba(255,255,255,0.06) 0%, transparent 60%),
    radial-gradient(700px 420px at 15% 75%, rgba(120, 180, 255, 0.09) 0%, transparent 62%),
    radial-gradient(700px 420px at 85% 70%, rgba(255, 120, 200, 0.08) 0%, transparent 62%);
  filter: blur(0px);
  opacity: 1;
}

.container {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(10, 11, 16, 0.45);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 0.3px;
  background: linear-gradient(135deg, rgba(120,180,255,0.95), rgba(255,120,200,0.9));
  color: rgba(10,11,16,0.95);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 18px;
}

.nav-link {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
}
.nav-link:hover { color: var(--text); text-decoration: none; }

.hero {
  padding: 56px 0 28px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 34px;
  align-items: start;
}

.eyebrow {
  color: var(--subtle);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.subhead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
  max-width: 60ch;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.18);
}
.btn-primary:hover {
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.24);
}

.btn-secondary {
  background: rgba(255,255,255,0.06);
}
.btn-secondary:hover { background: rgba(255,255,255,0.10); }

.feature-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.feature-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
  line-height: 1.45;
}

.dot {
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(120,180,255,0.95), rgba(255,120,200,0.9));
  flex: 0 0 auto;
}

.fineprint {
  margin: 18px 0 0;
  color: var(--subtle);
  font-size: 13px;
}
.fineprint a { color: var(--text); }

.hero-card .card {
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-top {
  padding: 14px 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pill {
  font-size: 12px;
  color: rgba(255,255,255,0.82);
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.18);
}

.spark {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.20), transparent 55%),
              linear-gradient(135deg, rgba(120,180,255,0.35), rgba(255,120,200,0.25));
  border: 1px solid rgba(255,255,255,0.14);
}

.mock {
  margin: 14px;
  border-radius: 16px;
  background: rgba(5, 6, 10, 0.55);
  border: 1px solid rgba(255,255,255,0.10);
  overflow: hidden;
}

.mock-header {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 12px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.12);
}

.mock-title { flex: 1; }
.line {
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.10);
}
.line-1 { width: 55%; margin-bottom: 8px; }
.line-2 { width: 36%; opacity: 0.85; }

.mock-body {
  padding: 12px;
  display: grid;
  gap: 10px;
}

.bubble {
  height: 34px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
}
.bubble-left {
  width: 76%;
  background: rgba(255,255,255,0.08);
}
.bubble-right {
  width: 70%;
  margin-left: auto;
  background: rgba(120,180,255,0.10);
}

.mock-footer {
  padding: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.input {
  flex: 1;
  height: 36px;
  border-radius: 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.10);
}

.send {
  width: 36px;
  height: 36px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(120,180,255,0.85), rgba(255,120,200,0.75));
  border: 1px solid rgba(255,255,255,0.16);
}

.card-caption {
  margin: 0;
  padding: 0 14px 14px;
  color: var(--subtle);
  font-size: 13px;
  line-height: 1.45;
}

.site-footer {
  margin-top: 34px;
  padding: 20px 0 40px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-note {
  margin: 0;
  font-size: 13px;
  color: var(--subtle);
}

.footer-links {
  display: flex;
  gap: 14px;
  font-size: 13px;
}
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); text-decoration: none; }

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 34px;
  }
}