body {
      background-color: rgb(7, 7, 7);
      color: #ddd;
      min-height: 100vh;
      padding-top: 70px;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      scroll-behavior: smooth;


    }

    /* Navbar fijo y responsive */
    nav.navbar {

      background-color: #111c44;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1030;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.7);
      padding: 0.5rem 1.5rem;
      transition: background-color 0.3s ease;
    }

    nav.navbar .navbar-brand {
      color: #7da4ff;
      font-weight: 700;
      font-size: 1.4rem;
      user-select: none;
      text-shadow: 0 0 8px #0d6efd;
    }

    nav.navbar .nav-link {
      color: #FFD700;
      font-weight: 600;
      margin: 0 0.5rem;
      position: relative;
      transition: color 0.3s ease;
      cursor: pointer;
    }

    nav.navbar .nav-link:hover,
    nav.navbar .nav-link.active {
      color: #0d6efd;
    }

    nav.navbar .nav-link::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background-color: #FFD700;
      transition: width 0.3s ease;
    }

    nav.navbar .nav-link:hover::after,
    nav.navbar .nav-link.active::after {
      width: 100%;
    }

    .navbar-toggler {
      border: none;
      color: #7da4ff;
      font-size: 1.4rem;
    }

    .navbar-toggler:focus {
      outline: none;
      box-shadow: none;
    }

  
    .container-main {
      max-width: 1200px;
      margin: auto;
      padding: 2rem 1rem 4rem;

    }

   
    h1.section-title {
      text-align: center;
      font-weight: 700;
      color: #7da4ff;
      margin-bottom: 2rem;
      text-shadow: 0 0 10px #0d6efd;
    }

    
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.8rem;
    }

  
    .card-item {
      background-color: #111c44;
      border-radius: 12px;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.7);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .card-item:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px #0d6efd;
    }

    .card-revista {
      background-color: #111c44;
      border-radius: 12px;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.7);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .card-revista:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px #0d6efd;
    }

    .card-video {
      background-color: #111c44;
      border-radius: 12px;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.7);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .card-video:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px #0d6efd;
    }

    .card-proyecto {
      background-color: #111c44;
      border-radius: 12px;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.7);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .card-proyecto:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px #0d6efd;
    }

    .card-img {
      width: 100%;
      height: 280px;
      background-size: contain;
      background-position: center;
      background-repeat: no-repeat;
      background-color: #f8f9fa;
      border-bottom: 3px solid #0d6efd;
    }


    .card-item:hover .card-img {
      filter: brightness(1.15);
    }

    .card-content {
      padding: 1rem 1.2rem;
      flex: 1 1 auto;
      display: flex;
      flex-direction: column;
    }

    .card-title {
      font-weight: 700;
      font-size: 1.2rem;
      color: #0d6efd;
      margin-bottom: 0.4rem;
      flex-shrink: 0;
    }

    .card-subtitle {
      font-style: italic;
      color: #7da4ff;
      margin-bottom: 0.8rem;
      flex-shrink: 0;
    }

    .card-description {
      flex-grow: 1;
      font-size: 0.95rem;
      line-height: 1.3;
      color: #ccc;
      user-select: none;
    }

    footer.footer-fixed {

      bottom: 0;
      left: 0;
      right: 0;
      height: 100%;
      background-color: #111c44;
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 500;
      user-select: none;
      box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.5);
      z-index: 1099;
    }


    @media (max-width: 576px) {
      .card-img {
        height: 200px;
      }
    }






    .floating-buttons {
      position: fixed;
      top: 40%;
      right: 12px;
      display: flex;
      flex-direction: column;
      gap: 15px;
      z-index: 1200;
    }

    .btn-floating {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      cursor: pointer;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      user-select: none;
      border: none;
      background-color: #444;
    }

    .btn-floating:hover {
      transform: scale(1.1);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
    }

    .btn-floating.whatsapp {
      background-color: #25d366;
      text-decoration: none;
    }

    .btn-floating.telegram {
      background-color: #0088cc;
      text-decoration: none;
    }

    .btn-floating.facebook {
      background-color: #3b5998;
      text-decoration: none;
    }

    .btn-floating.btn-top {
      background-color: #0d6efd;
      margin-top: 30px;
    }

    @media (max-width: 576px) {
      .floating-buttons {
        top: auto;
        bottom: 70px;
        right: 10px;
        flex-direction: row;
        gap: 12px;
      }

      .btn-floating {
        width: 40px;
        height: 40px;
        font-size: 18px;
      }

      .btn-floating.btn-top {
        margin-top: 0;
      }
    }







    #particles-js {
      position: fixed;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      z-index: -1;

    }







    .infor-carousel-container {
      width: 100%;
      height: 550px;
      position: relative;
      perspective: 1000px;
      margin-top: 0px;
    }

    .infor-carousel-track {
      width: 100%;
      height: 100%;
      display: flex;
      justify-content: center;
      align-items: center;
      position: relative;
      transform-style: preserve-3d;
      transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .infor-card {
      position: absolute;
      width: 280px;
      height: 380px;
      background: white;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
      transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      cursor: pointer;
    }

    .infor-card img {
      width: 100%;
      height: 100%;
     object-fit: cover;
      transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .infor-card.center {
      z-index: 10;
      transform: scale(1.1) translateZ(0);
    }

    .infor-card.left-2 {
      transform: translateX(-25vw) scale(0.7) translateZ(-250px);
      opacity: 0.6;
      z-index: 1;
    }

    .infor-card.left-1 {
      transform: translateX(-15vw) scale(0.85) translateZ(-150px);
      opacity: 0.8;
      z-index: 5;
    }

    .infor-card.right-1 {
      transform: translateX(15vw) scale(0.85) translateZ(-150px);
      opacity: 0.8;
      z-index: 5;
    }

    .infor-card.right-2 {
      transform: translateX(25vw) scale(0.7) translateZ(-250px);
      opacity: 0.6;
      z-index: 1;
    }


    .infor-card.hidden {
      opacity: 0;
      pointer-events: none;
    }

    @media (max-width: 768px) {
      .infor-about-title {
        font-size: 4.5rem;
      }

      .infor-card {
        width: 200px;
        height: 280px;
      }
    }









    
          .modern-dropdown {
            position: relative;
          }

       
          .modern-dropdown .dropdown-toggle::after {
            display: none !important;
          }

    
          .modern-dropdown .dropdown-menu {
            display: none;
            position: absolute;
          
            top: 100%;
            left: 0;
            background-color: #111c44;
            border-radius: 8px;
            border: 1px solid #FFD700;
            margin: 0;
            min-width: 180px;
       
            transition: all 0.3s ease;
            z-index: 1000;
          }

  
          .modern-dropdown:hover .dropdown-menu {
            display: block;
          }

  
          .modern-dropdown .dropdown-item {
            color: #ccc;
            transition: all 0.3s ease;
          }

          .modern-dropdown .dropdown-item:hover {
            background-color: #FFD700;
            color: #111c44;
            transform: translateX(1px);

          }

    
          .modern-dropdown .nav-link i,
          .modern-dropdown .dropdown-item i {
            transition: transform 0.3s ease, color 0.3s ease;
          }

          .modern-dropdown:hover>.nav-link i {
            transform: rotate(20deg) scale(1.2);
            color: #FFD700;
          }







             .loading-text {
      place-self: center;
      background: linear-gradient(90deg, yellow, #00f, yellow) -100%/ 200%;

      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      font: 900 clamp(2em, 3vw, 3em) exo, sans-serif;
      animation: shimmer 2s linear infinite
    }

    @keyframes shimmer {
      to {
        background-position: 100%
      }
    }












    .welcome-container {
        display: flex;
        align-items: center;
        background: #111c44;
        backdrop-filter: blur(12px);
        padding: 2.5rem;
        border-radius: 2rem;
        box-shadow: 0 10px 20px rgba(241, 235, 146, 0.7);
        animation: fadeIn 2s ease-in-out;
        width: 100%;
        flex-wrap: wrap;
        gap: 2rem;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
      }

      .welcome-container:hover {
        transform: translateY(-8px) scale(1.02);
        box-shadow: 0 15px 60px rgba(0, 0, 0, 0.8);
      }

      /* Carrusel de logos */
      .logo-carousel {
        width: 220px;
        height: 220px;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        flex-shrink: 0;
      }

      .logo-carousel img {
        max-width: 100%;
        max-height: 100%;

        position: absolute;
        opacity: 0;
        transform: scale(0.9);
        transition: opacity 1s ease-in-out, transform 0.8s ease;
      }

      .logo-carousel img.active {
        opacity: 1;
        transform: scale(1.1) rotate(2deg);
        z-index: 2;
      }

      .welcome-text {
        flex: 1;
        min-width: 260px;
        animation: slideIn 2s ease-in-out;
      }

      .welcome-text h1 {
        font-size: 2.4rem;
        font-weight: bold;
        background: #FFD700;
        background-size: 200% auto;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        text-shadow: 0 0 20px rgba(255, 204, 0, 0.6);
        margin-bottom: 1rem;
        text-align: center;
        animation: gradientText 3s infinite linear;
        letter-spacing: 2px;
      }

      .welcome-text h1 i {
        margin-right: 10px;
        transition: transform 0.3s ease, text-shadow 0.3s ease;
      }

      .welcome-text h1:hover i {
        transform: rotate(20deg) scale(1.2);
        text-shadow: 0 0 25px #ffcc00;
      }

      .welcome-text p {
        font-size: 1.1rem;
        color: #e6f0ff;
        line-height: 1.8;
        text-align: justify;
        transition: color 0.3s ease;
      }

      .welcome-text p:hover {
        color: #ffcc00;
      }

      @keyframes fadeIn {
        from {
          opacity: 0;
        }

        to {
          opacity: 1;
        }
      }

      @keyframes slideIn {
        from {
          transform: translateX(50px);
          opacity: 0;
        }

        to {
          transform: translateX(0);
          opacity: 1;
        }
      }

      @keyframes gradientText {
        0% {
          background-position: 0% 50%;
        }

        100% {
          background-position: 200% 50%;
        }
      }

      /* Responsivo */
      @media (max-width: 768px) {
        .welcome-container {
          flex-direction: column;
          text-align: center;
        }

        .welcome-text h1 {
          font-size: 2.2rem;
        }

        .logo-carousel {
          width: 160px;
          height: 160px;
        }
      }

      @media (max-width: 480px) {
        .logo-carousel {
          width: 120px;
          height: 120px;
        }

        .welcome-text h1 {
          font-size: 1.9rem;
        }

        .welcome-text p {
          font-size: 1rem;
        }
      }