/* --- Estilos generales --- */
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: "Poppins", sans-serif;
      color: #333;
      background-color: #f9f9f9;
      line-height: 1.6;
    }

    header {
      background-color: #00796b;
      color: #fff;
      padding: 20px 0;
      text-align: center;
    }

    header h1 { font-size: 2rem; margin-bottom: 5px; }
    header p { font-size: 1.1rem; opacity: 0.9; }

    nav {
      background-color: #004d40;
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
    }

    nav a {
      color: white;
      text-decoration: none;
      padding: 14px 20px;
      display: block;
      transition: background 0.3s;
    }
    nav a:hover { background-color: #00695c; }

    section {
      padding: 40px 20px;
      max-width: 1100px;
      margin: auto;
    }

    /* --- HERO --- */
    .hero {
      background: url('/img/pexels-n.jpg') no-repeat center/cover;
      background-color: #00796b; /* color de respaldo si la imagen no carga */
      color: white;
      text-align: center;
      padding: 120px 20px;
    }

    .hero h2 {
      font-size: 2.5rem;
      margin-bottom: 15px;
      text-shadow: 1px 1px 5px rgba(0,0,0,0.3);
    }

    .hero p {
      font-size: 1.2rem;
      max-width: 700px;
      margin: auto;
      background: rgba(0, 0, 0, 0.5);
      padding: 10px 20px;
      border-radius: 10px;
    }

    .servicios {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      text-align: center;
    }

    .servicio {
      background: white;
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .servicio h3 {
      color: #00796b;
      margin-bottom: 10px;
    }

    .contacto {
      background: #e0f2f1;
      border-radius: 10px;
      padding: 30px;
    }

    .contacto p { margin-bottom: 10px; font-size: 1.1rem; }
    .contacto a { color: #00796b; font-weight: bold; text-decoration: none; }

    .horarios {
      background: white;
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    footer {
      background-color: #004d40;
      color: white;
      text-align: center;
      padding: 15px;
      font-size: 0.9rem;
    }

    /* --- Botones flotantes WhatsApp --- */
    .whatsapp-float {
      position: fixed;
      width: 60px;
      height: 60px;
      right: 25px;
      color: #fff;
      border-radius: 50%;
      text-align: center;
      font-size: 32px;
      box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
      z-index: 100;
      transition: transform 0.3s ease;
    }
    .whatsapp-float:hover { transform: scale(1.1); }
    .whatsapp-icon { margin-top: 14px; }

    /* Farmacia */
    .whatsapp-float.farmacia {
      bottom: 25px;
      background-color: #25d366;
    }
    /* Laboratorio */
    .whatsapp-float.laboratorio {
      bottom: 95px;
      background-color: #128c7e;
    }

    .whatsapp-label {
      position: fixed;
      right: 95px;
      color: #fff;
      background: rgba(0,0,0,0.75);
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 0.9rem;
      white-space: nowrap;
      opacity: 0;
      transform: translateY(-50%);
      transition: opacity 0.3s ease;
      z-index: 101;
    }
    .whatsapp-float:hover + .whatsapp-label { opacity: 1; }

    @media (max-width: 600px) {
      .hero h2 { font-size: 2rem; }
    }