/* Chat AI CSKH promo — vestadesign */
.ai-chat-promo {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(0, 201, 167, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 80%, rgba(91, 124, 250, 0.2), transparent 50%),
    linear-gradient(160deg, #0f1b33 0%, #162445 50%, #1a2d55 100%);
  color: #e8eef8;
  border-block: 1px solid rgba(255, 255, 255, 0.06);
}

.ai-chat-promo .section-tag {
  color: #00c9a7;
  background: rgba(0, 201, 167, 0.12);
  border-color: rgba(0, 201, 167, 0.3);
}

.ai-chat-promo .section-head h2 {
  color: #fff;
}

.ai-chat-promo .section-head p {
  color: #9aa6bf;
}

.ai-chat-promo-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 0.5rem;
}

.ai-chat-copy h2 {
  font-size: clamp(1.65rem, 1.2rem + 1.5vw, 2.4rem);
  line-height: 1.15;
  color: #fff;
  margin: 0.75rem 0 1rem;
}

.ai-chat-copy .lead {
  color: #b6c2d9;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  max-width: 36rem;
}

.ai-price-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #00c9a7, #5b7cfa);
  color: #fff;
  box-shadow: 0 12px 40px rgba(0, 201, 167, 0.35);
  margin-bottom: 1.35rem;
}

.ai-price-pill .label {
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.95;
}

.ai-price-pill strong {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.ai-price-pill .unit {
  font-size: 1rem;
  font-weight: 700;
}

.ai-chat-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  list-style: none;
  padding: 0;
}

.ai-chat-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.92rem;
  color: #e8eef8;
}

.ai-chat-benefits li i {
  color: #00c9a7;
  margin-top: 0.15rem;
}

.ai-chat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.ai-chat-actions .btn-primary {
  box-shadow: 0 10px 30px rgba(0, 201, 167, 0.35);
  color: #ffffff !important;
}

/* Nút gọi trên nền tối: không dùng nền sáng btn-ghost mặc định */
.ai-chat-actions .btn-call,
.ai-chat-promo .btn-call {
  background: rgba(255, 255, 255, 0.12) !important;
  border: 2px solid rgba(255, 255, 255, 0.85) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.ai-chat-actions .btn-call span,
.ai-chat-actions .btn-call i,
.ai-chat-promo .btn-call span,
.ai-chat-promo .btn-call i {
  color: #ffffff !important;
}

.ai-chat-actions .btn-call:hover,
.ai-chat-promo .btn-call:hover {
  background: #ffffff !important;
  border-color: #ffffff !important;
  color: #0f1b33 !important;
  text-shadow: none;
}

.ai-chat-actions .btn-call:hover span,
.ai-chat-actions .btn-call:hover i,
.ai-chat-promo .btn-call:hover span,
.ai-chat-promo .btn-call:hover i {
  color: #0f1b33 !important;
}

/* Demo live: web đang dùng Chat AI */
.ai-demo-live {
  margin-top: 1.75rem;
  padding-top: 1.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.ai-demo-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #e8eef8;
}

.ai-demo-label i {
  color: #00c9a7;
  font-size: 1.15rem;
}

.ai-demo-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.ai-demo-card {
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  color: inherit;
  text-decoration: none;
}

.ai-demo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 201, 167, 0.55);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
}

.ai-demo-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  background: #0b1222;
}

.ai-demo-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 0.95rem 1rem;
}

.ai-demo-tag {
  align-self: flex-start;
  padding: 0.15rem 0.55rem;
  border-radius: 99px;
  background: rgba(0, 201, 167, 0.2);
  border: 1px solid rgba(0, 201, 167, 0.4);
  color: #5eead4;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ai-demo-card-body strong {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
}

.ai-demo-card-body span {
  color: #9aa6bf;
  font-size: 0.78rem;
  word-break: break-all;
}

.ai-demo-card-body em {
  margin-top: 0.35rem;
  font-style: normal;
  font-size: 0.82rem;
  font-weight: 600;
  color: #00c9a7;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.ai-chat-visual {
  display: grid;
  gap: 0.85rem;
}

.ai-chat-visual img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  background: #0b1222;
  object-fit: contain;
  aspect-ratio: 16 / 10;
}

.ai-chat-visual img.secondary {
  aspect-ratio: 16 / 9;
}

.ai-hot-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(232, 77, 138, 0.2);
  border: 1px solid rgba(232, 77, 138, 0.45);
  color: #ff8fbf;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  animation: ai-pulse 1.8s ease-in-out infinite;
}

@keyframes ai-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 77, 138, 0.35); }
  50% { box-shadow: 0 0 0 10px rgba(232, 77, 138, 0); }
}

.service-card.ai-highlight {
  border-color: rgba(0, 201, 167, 0.45);
  background: linear-gradient(165deg, rgba(0, 201, 167, 0.12), #ffffff 45%);
  box-shadow: 0 12px 36px rgba(0, 184, 160, 0.12);
}

.service-card.ai-highlight .service-price {
  display: inline-block;
  margin: 0.35rem 0 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #00c9a7, #5b7cfa);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
}

.price-card.ai-price-card {
  border-color: rgba(0, 201, 167, 0.5);
  background: linear-gradient(165deg, rgba(0, 201, 167, 0.1), #fff 40%);
  position: relative;
}

.price-card.ai-price-card .popular-badge {
  background: linear-gradient(135deg, #e84d8a, #f07830);
}

@media (max-width: 980px) {
  .ai-chat-promo-grid {
    grid-template-columns: 1fr;
  }
  .ai-chat-benefits {
    grid-template-columns: 1fr;
  }
  .ai-demo-cards {
    grid-template-columns: 1fr;
  }
}