/* ListAI public marketing site — self-contained, no external deps.
   Served as static files (nginx) so it can go live independently of the app. */

:root {
  --bg:        #070711;
  --bg-soft:   #0d0d1c;
  --panel:     #11111f;
  --border:    #23233b;
  --text:      #e7e7f5;
  --muted:     #9a9ab5;
  --cyan:      #6ee7ff;
  --violet:    #a78bfa;
  --grad:      linear-gradient(100deg, #6ee7ff 0%, #a78bfa 60%, #f0a6ff 100%);
  --maxw:      980px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 70% -10%, #15152e 0%, var(--bg) 55%) fixed;
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ── Nav ─────────────────────────────────────────────── */
header.nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(7,7,17,0.72);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; font-size: 20px; letter-spacing: -0.02em; }
.brand .ai { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links a { color: var(--muted); margin-left: 22px; font-size: 14px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ── Hero ────────────────────────────────────────────── */
.hero { padding: 90px 0 60px; text-align: center; }
.hero h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.05; margin: 0 0 18px; letter-spacing: -0.03em; }
.hero h1 .ai { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(17px, 2.4vw, 21px); color: var(--muted); max-width: 640px; margin: 0 auto 30px; }
.chip {
  display: inline-block; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--cyan); border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 26px; background: rgba(110,231,255,0.06);
}
.btn {
  display: inline-block; font-weight: 700; padding: 13px 26px; border-radius: 12px;
  background: var(--grad); color: #0a0a16; border: 0; cursor: pointer; font-size: 15px;
}
.btn:hover { text-decoration: none; filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); margin-left: 10px; }

/* ── Sections ────────────────────────────────────────── */
section { padding: 56px 0; }
section h2 { font-size: clamp(24px, 4vw, 34px); letter-spacing: -0.02em; margin: 0 0 8px; }
section .sub { color: var(--muted); margin: 0 0 34px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 22px;
}
.card h3 { margin: 6px 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .ico { font-size: 22px; }

/* ── Pricing ─────────────────────────────────────────── */
.price-card {
  max-width: 420px; margin: 0 auto; text-align: center;
  background: var(--panel); border: 1px solid var(--border); border-radius: 20px; padding: 38px 30px;
}
.price-card .amount { font-size: 46px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.price-card ul { list-style: none; padding: 0; margin: 22px 0 0; text-align: left; }
.price-card li { padding: 7px 0 7px 28px; position: relative; color: var(--text); }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }

/* ── Footer ──────────────────────────────────────────── */
footer.site {
  border-top: 1px solid var(--border); margin-top: 40px; padding: 40px 0;
  color: var(--muted); font-size: 14px;
}
footer.site .cols { display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--text); }
footer.site .legal { margin-top: 26px; font-size: 13px; line-height: 1.6; }

/* ── Legal/prose pages ───────────────────────────────── */
.legal-page { padding: 50px 0 30px; }
.legal-page h1 { font-size: clamp(28px, 5vw, 40px); letter-spacing: -0.02em; margin: 0 0 6px; }
.legal-page .updated { color: var(--muted); font-size: 14px; margin-bottom: 30px; }
.legal-page h2 { font-size: 21px; margin: 34px 0 10px; }
.legal-page p, .legal-page li { color: #c9c9e0; }
.legal-page .placeholder {
  background: rgba(240,166,255,0.10); border: 1px dashed #6b4b7a; color: #f0a6ff;
  border-radius: 6px; padding: 1px 7px; font-weight: 600;
}
.legal-page .note {
  background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--cyan);
  border-radius: 10px; padding: 14px 18px; margin: 22px 0; color: var(--muted); font-size: 14px;
}

/* ── Read-aloud (TTS) toggle ─────────────────────────── */
#tts-toggle {
  position: fixed; right: 18px; bottom: 18px; z-index: 50;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: 999px; padding: 10px 16px; cursor: pointer; font-size: 14px; font-weight: 600;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
#tts-toggle:hover { border-color: var(--cyan); }
#tts-toggle.speaking { border-color: var(--cyan); color: var(--cyan); }
#tts-toggle .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
#tts-toggle.speaking .dot { background: var(--cyan); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  #tts-toggle.speaking .dot { animation: none; }
}