:root {
    --primary: #ff6b35;
    --secondary: #f7931e;
    --dark: #2c3e50;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    padding-top: 76px;
  }
  
  .hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: white;
  }
  
  /* IMAGENS DOS CARDS */
  .card-img-top {
    height: 200px;
    object-fit: cover;
    border-radius: 16px 16px 0 0;
  }
  
  /* CARDS COM IMAGENS */
  .card {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,.08);
    transition: transform .3s, box-shadow .3s;
  }
  
  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,.15);
  }
  
  /* IMAGENS DOS DEPOIMENTOS */
  .rounded-circle {
    border: 3px solid var(--primary);
    padding: 3px;
  }
  
  /* IFRAME DEMONSTRAÇÃO */
  .ratio-16x9 {
    border-radius: 0 0 12px 12px;
    overflow: hidden;
  }
  
  .whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 5px 15px rgba(0,0,0,.3);
    transition: .3s;
    z-index: 999;
  }
  
  .whatsapp-float:hover {
    color: white;
    transform: scale(1.1);
  }
  
  /* RESPONSIVO */
  @media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero .btn { width: 100%; margin-bottom: 10px; }
    
    .card-img-top {
      height: 150px;
    }
  }

/* Vídeo responsivo e estilizado */
.hero iframe {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,.2);
    transition: transform .3s;
  }
  
  .hero iframe:hover {
    transform: scale(1.01);
  }
  
  /* Mobile - ajusta tamanho */
  @media (max-width: 768px) {
    .hero iframe {
      height: 300px;
    }
  }