:root {
  --purple-900: #2e1a47;
  --purple-700: #4a2a7a;
  --purple-600: #6b3fa0;
  --purple-500: #8b5fc0;
  --purple-100: #f1e9fb;
  --ink: #1d1626;
  --paper: #fffaf3;
  --paper-card: #ffffff;
  --gold: #e8b64f;
  --radius: 16px;
  --max-width: 1100px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5em; }
p { margin: 0 0 1em; }

a { color: var(--purple-600); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--purple-900);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 250, 243, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--purple-900);
}
.logo span { color: var(--purple-600); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-weight: 600;
}
.main-nav a { color: var(--ink); }
.nav-cta {
  background: var(--purple-600);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--purple-700); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--purple-600);
  color: #fff;
}
.btn-primary:hover { background: var(--purple-700); text-decoration: none; }
.btn-ghost {
  background: transparent;
  border-color: var(--purple-600);
  color: var(--purple-700);
}
.btn-ghost:hover { background: var(--purple-100); text-decoration: none; }
.btn-shuffle {
  background: var(--gold);
  color: var(--purple-900);
  margin-top: 16px;
}
.btn-shuffle:hover { background: #d9a437; }

/* Hero */
.hero {
  padding: 64px 0 48px;
  background: radial-gradient(circle at 15% 20%, var(--purple-100), transparent 55%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--purple-600);
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  color: var(--purple-900);
}
.lede {
  font-size: 1.125rem;
  color: #46394f;
  max-width: 44ch;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* Chit demo */
.hero-demo {
  background: var(--paper-card);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  box-shadow: 0 20px 50px -24px rgba(46, 26, 71, 0.35);
}
.chit-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 8px;
}
.chit {
  aspect-ratio: 1;
  border-radius: 12px;
  border: 2px dashed var(--purple-500);
  background: var(--purple-100);
  color: var(--purple-700);
  font-size: 1.6rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}
.chit:hover { transform: translateY(-2px); }
.chit.revealed {
  border-style: solid;
  background: var(--purple-600);
  color: #fff;
  flex-direction: column;
  font-size: 1.1rem;
  gap: 4px;
}
.chit.revealed .chit-points {
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.85;
}
.demo-hint {
  font-size: 0.85rem;
  color: #6f6178;
  margin: 10px 0 0;
}

/* How it works */
.section { padding: 72px 0; }
.how-it-works { background: var(--paper-card); }
.how-it-works h2, .features h2, .cta h2 {
  text-align: center;
  color: var(--purple-900);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  max-width: 32ch;
  margin: 0 auto 40px;
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.steps li {
  background: var(--paper);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 28px 22px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 999px;
  background: var(--purple-600);
  color: #fff;
  font-weight: 800;
  margin-bottom: 14px;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--paper-card);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 26px;
}
.feature-card h3 { color: var(--purple-700); }

/* CTA */
.cta { background: linear-gradient(180deg, var(--purple-100), var(--paper)); }
.cta-inner { text-align: center; max-width: 560px; margin: 0 auto; }
.signup-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 24px 0 10px;
}
.signup-form input {
  flex: 1 1 260px;
  padding: 14px 16px;
  border-radius: 999px;
  border: 2px solid var(--purple-500);
  font-size: 1rem;
}
.signup-form input:focus {
  outline: 3px solid var(--purple-100);
  border-color: var(--purple-700);
}
.form-status { min-height: 1.4em; font-weight: 600; }
.form-status.success { color: #1f7a3d; }
.form-status.error { color: #b3261e; }
.privacy-note { font-size: 0.8rem; color: #6f6178; }

/* Footer */
.site-footer {
  border-top: 1px solid rgba(0,0,0,0.06);
  padding: 28px 0 40px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.9rem;
  color: #6f6178;
}
.footer-links { display: flex; gap: 16px; }

/* Responsive */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .main-nav { gap: 12px; font-size: 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}