/* ===== AI SECTION ===== */
.ai-section {
  padding: 100px 0;
  background: var(--white);
}
.ai-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.ai-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  letter-spacing: -0.5px;
  margin: 12px 0 24px;
}
.ai-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 32px;
}
.ai-callouts {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.ai-callout {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
  line-height: 1.5;
}
.ai-callout svg {
  flex-shrink: 0;
  color: var(--blue-500);
  margin-top: 2px;
}

/* AI Checklist visual */
.ai-checklist {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 18px;
  padding: 24px 28px;
  max-width: 420px;
  box-shadow: 0 8px 40px rgba(15,22,40,0.06);
}
.ai-cl-items {
  display: flex;
  flex-direction: column;
}
.ai-cl-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 4px;
  cursor: default;
  border-bottom: 1px solid var(--gray-100);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.ai-cl-item:last-child { border-bottom: none; }
.ai-cl-visible .ai-cl-item { opacity: 1; transform: translateY(0); }
.ai-cl-visible .ai-cl-item:nth-child(1) { transition-delay: 0.1s; }
.ai-cl-visible .ai-cl-item:nth-child(2) { transition-delay: 0.2s; }
.ai-cl-visible .ai-cl-item:nth-child(3) { transition-delay: 0.3s; }
.ai-cl-visible .ai-cl-item:nth-child(4) { transition-delay: 0.4s; }
.ai-cl-visible .ai-cl-item:nth-child(5) { transition-delay: 0.5s; }
.ai-cl-visible .ai-cl-item:nth-child(6) { transition-delay: 0.6s; }
.ai-cl-visible .ai-cl-item:nth-child(7) { transition-delay: 0.7s; }

/* Checkbox */
.ai-cl-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-radius: 4px;
  flex-shrink: 0;
  position: relative;
  cursor: default;
  transition: all 0.2s;
}
.ai-cl-item input[type="checkbox"]:checked {
  background: var(--blue-500);
  border-color: var(--blue-500);
}
.ai-cl-item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: solid var(--white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Text */
.ai-cl-item span {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.4;
}

/* Strikethrough on done */
.ai-cl-done span {
  text-decoration: line-through;
  color: var(--gray-400);
}

@media (max-width: 1080px) {
  .ai-inner { grid-template-columns: 1fr; gap: 40px; }
  .ai-checklist { max-width: 100%; }
}
@media (max-width: 600px) {
  .ai-section { padding: 64px 0; }
  .ai-title { font-size: 26px; }
  .ai-body { font-size: 15px; }
  .ai-callout { font-size: 14px; }
  .ai-checklist { padding: 20px 20px; }
  .ai-cl-item { padding: 12px 0; gap: 12px; }
  .ai-cl-item span { font-size: 14px; }
}