body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
  color: #222;
}

.hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.hero h1 {
  text-shadow: 0 3px 12px rgba(0,0,0,0.4);
}

.btn-primary {
  background-color: #0d6efd;
  border-color: #0d6efd;
}

.btn-primary:hover {
  background-color: #0b5ed7;
  border-color: #0a58ca;
}

.card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12) !important;
}

.accordion-button {
  font-weight: 600;
}

.accordion-button:not(.collapsed) {
  background-color: #0d6efd;
  color: white;
}

.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 30px;
  right: 30px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 6px 12px rgba(0,0,0,0.3);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.whatsapp-float:hover {
  transform: scale(1.15);
  box-shadow: 0 10px 25px rgba(37,211,102,0.5);
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.8rem; }
  .hero .lead { font-size: 1.25rem; }
}