.product-hero {
  padding: clamp(100px, 15vh, 150px) 0 60px;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature-card {
  padding: 2.5rem;
  text-align: left;
}

.feature-card i {
  font-size: 2.5rem;
  color: #00B4D8;
  margin-bottom: 1.5rem;
}

.demo-section {
  background: rgba(255, 255, 255, 0.02);
  padding: 5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

@media (min-width: 993px) {
  .demo-container {
    flex-direction: row;
    gap: 4rem;
  }
}

.demo-text {
  flex: 1;
}

.demo-phone {
  width: 100%;
  max-width: 320px;
  background: #111;
  border: 10px solid #333;
  border-radius: 30px;
  height: 550px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

@media (min-width: 768px) {
  .demo-phone {
    max-width: 380px;
    border-width: 14px;
    height: 600px;
  }
}

.whatsapp-header {
  background: #075E54;
  color: white;
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.whatsapp-body {
  background: #efe7dd;
  height: calc(100% - 60px);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.msg {
  max-width: 80%;
  padding: 10px 15px;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.4;
}

.msg-in {
  background: white;
  color: #333;
  align-self: flex-start;
  border-top-left-radius: 0;
}

.msg-out {
  background: #dcf8c6;
  color: #333;
  align-self: flex-end;
  border-top-right-radius: 0;
}

/* Extracted inline styles */
.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }
}

.demo-description {
  color: #a0aec0;
  margin: 1.5rem 0;
  font-size: 1.1rem;
  line-height: 1.6;
}

.demo-list {
  list-style: none;
  padding: 0;
}

.demo-list li {
  margin-bottom: 1rem;
}

.demo-list i {
  color: #00B4D8;
  margin-right: 10px;
}

.whatsapp-avatar {
  width: 35px;
  border-radius: 50%;
}

.contact-section {
  max-width: 600px;
}

.contact-card {
  padding: 1.5rem;
}

@media (min-width: 768px) {
  .contact-card {
    padding: 3rem;
  }
}

.contact-header {
  margin-bottom: 2rem;
}