* { box-sizing: border-box; margin: 0; padding: 0; list-style: none; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: url('https://www.alpacaexpeditions.com/wp-content/uploads/trajes-tipico-de-peru.webp') center/cover no-repeat fixed;
      color: white;
      min-height: 100vh;
    }

    .visualisacion {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: linear-gradient(135deg,
          rgba(0, 0, 0, 0.6) 0%,
          rgba(0, 0, 0, 0.4) 50%,
          rgba(0, 0, 0, 0.7) 100%);
      z-index: -1;
    }

    /* navbar del html principal */
    header {
      position: fixed;
      top: 0;
      width: 100vw;
      height: 70px;
      background: rgba(0, 0, 0, 0.25);
      backdrop-filter: blur(20px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 2rem;
      z-index: 999;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    
    /* hacer que el logo se muestre siempre antes que el nav, z-index */
    .logo {
      display: flex;
      align-items: center;
      position: relative;
      width: 150px;
      height: 60px;
      z-index: 1001;
    }
        
    /* tamaño del logo y hacer que no pierda la forma */
    .logo img {
      position: absolute;
      top: 5px;
      left: 0;
      width: 100px;
      height: 50px;
      object-fit: contain;
      transition: opacity 0.4s ease;
    }

    /* efecto del logo */
    .logo img:last-child {
      opacity: 0;
    }

    .logo:hover img:first-child {
      opacity: 0;
    }

    .logo:hover img:last-child {
      opacity: 1;
    }

    /* nav volver */
    .nav-back {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    
    /* boton para volver al html principal */
    .back-btn {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: rgba(255, 255, 255, 0.9);
      text-decoration: none;
      padding: 0.8rem 1.5rem;
      border-radius: 2rem;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: all 0.3s ease;
      font-weight: 500;
    }
    
    /* hover parar el boton de volver */
    .back-btn:hover {
      background: #ffc400;
      color: #000;
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 196, 0, 0.3);
    }
        
    /* agregar la flecha de volver con before para que sea mas facil modificarla*/
    .back-btn::before {
      content: '←';
      font-size: 1.2rem;
      font-weight: bold;
    }

    main { padding-top: 90px; text-align: center; }

    .contact-hero {
      padding: 3rem 2rem;
      background: rgba(0, 0, 0, 0.6);
      border-radius: 1rem;
      max-width: 900px;
      margin: 0 auto 3rem;
      box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    }
    .contact-hero h1 {
      font-size: clamp(2rem, 5vw, 3rem);
      color: #ffc400;
      margin-bottom: 1rem;
    }
    .contact-hero p {
      font-size: 1.2rem;
      line-height: 1.6;
      color: rgba(255,255,255,0.9);
    }

    .contact-info {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        max-width: 1000px;
        margin: 0 auto;
        padding: 2rem;
        justify-content: center; /* ✅ Centra las tarjetas sobrantes */
        }


    .contact-card {
      background: rgba(255,255,255,0.1);
      padding: 2rem;
      border-radius: 1rem;
      backdrop-filter: blur(10px);
      box-shadow: 0 8px 32px rgba(0,0,0,0.4);
      transition: transform 0.3s;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      cursor: pointer;
    }
    .contact-card:hover { transform: translateY(-5px); }
    .contact-card img {
      width: 48px;
      height: 48px;
      margin-bottom: 1rem;
      filter: brightness(0.9);
      transition: 0.3s;
    }
    .contact-card img:hover { filter: brightness(1.2); }
    .contact-card h3 { color: #ffc400; margin-bottom: 1rem; }
    .contact-card a {
      display: block;
      color: #fff;
      font-size: 1.1rem;
      margin-bottom: 0.5rem;
      text-decoration: none;
      transition: color 0.3s;
    }
    .contact-card a:hover { color: #ffc400; }

    /* Estilos para el mapa */
    .map-container {
      max-width: 1000px;
      margin: 2rem auto;
      padding: 1rem;
      background: rgba(255,255,255,0.1);
      border-radius: 1rem;
      box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    }

    iframe {
      width: 100%;
      height: 400px;
      border: none;
      border-radius: 1rem;
    }

    #site-footer {
      background-color: #222;
      color: #eee;
      padding: 2rem;
      text-align: center;
      margin-top: 3rem;
    }