/* Reset & base */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 70% 10%, #1b0b10, #0b0b0c);
  color: #eee;
  line-height: 1.5;
}

/* Animated red bar */
.nav {
  position: sticky;
  top: 0; z-index: 1000;
  background: linear-gradient(90deg, #8a0015, #d4002f, #8a0015);
  background-size: 200% 100%;
  animation: pulseRed 6s ease-in-out infinite;
  box-shadow: 0 6px 24px rgba(0,0,0,0.45);
}
@keyframes pulseRed {
  0% { background-position: 0% 0; }
  50% { background-position: 100% 0; }
  100% { background-position: 0% 0; }
}
.nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 10px 14px;
}
.logo { height: 36px; width: auto; border-radius: 6px; }

.nav-center { display: flex; gap: 12px; justify-content: center; }
.nav-btn {
  color: #fff; text-decoration: none; font-weight: 600;
  padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  transition: transform .2s ease, background .2s ease;
}
.nav-btn:hover { transform: translateY(-1px); background: rgba(255,255,255,0.2); }

.container { max-width: 980px; margin: 18px auto; padding: 0 14px; }
.card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.section { margin-bottom: 18px; }

.video-wrapper { position: relative; border-radius: 16px; overflow: hidden; }
.video { width: 100%; height: auto; display: block; }
.video-controls {
  position: absolute; right: 10px; bottom: 10px;
  display: flex; gap: 8px; align-items: center;
  background: rgba(0,0,0,0.45); padding: 8px 10px;
  border-radius: 999px; backdrop-filter: blur(6px);
}
.pill {
  border: 0; border-radius: 999px; padding: 8px 14px; font-weight: 600;
  cursor: pointer;
}
.tag-live {
  position: absolute; top: 10px; right: 10px;
  background: #ff0033; color: white; font-weight: 700; font-size: 12px;
  padding: 6px 10px; border-radius: 999px;
  box-shadow: 0 6px 14px rgba(0,0,0,0.35);
  letter-spacing: 0.6px;
}
.hint { opacity: 0.8; font-size: 14px; margin-top: 10px; }

/* Chat */
.chat-box {
  height: 280px; overflow-y: auto; padding: 10px; border-radius: 12px;
  background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.08);
}
.msg { max-width: 80%; margin: 8px 0; padding: 10px 12px; border-radius: 14px; }
.msg.bot { background: rgba(255,255,255,0.08); }
.msg.me { background: #ff6ea91c; margin-left: auto; border: 1px solid #ff6ea9aa; }
.chat-form { display: flex; gap: 10px; margin-top: 10px; }
.chat-form input {
  flex: 1; padding: 10px 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.18);
  background: rgba(0,0,0,0.35); color: #fff;
}
.after-chat { margin-top: 14px; }
.hidden { display: none; }

/* CTA */
.cta {
  display: inline-block; text-decoration: none; color: #fff; font-weight: 700;
  padding: 12px 18px; border-radius: 999px;
  background: linear-gradient(90deg, #ff2e63, #ff7aa2);
  box-shadow: 0 8px 24px rgba(255, 46, 99, 0.35);
  transition: transform .2s ease, filter .2s ease;
}
.cta:hover { transform: translateY(-1px); filter: brightness(1.05); }
.install-btn { margin-top: 8px; }

.steps { margin: 0 0 8px 22px; }
.apk-meta { opacity: 0.85; font-size: 14px; }

/* Carousel */
.carousel {
  position: relative; width: 100%; overflow: hidden; border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
}
.carousel-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: 100%;
  transition: transform 600ms ease-in-out;
}
.carousel img {
  width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover;
}

/* Footer */
.footer { text-align: center; padding: 24px 10px; opacity: 0.8; font-size: 13px; }

/* Mobile tweaks */
@media (max-width: 640px) {
  .nav-inner { grid-template-columns: auto auto auto; }
  .logo { height: 28px; }
}