/* =.= */

    .navbar {

        /*
        background-color: white;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);

        border-radius: 8px;
        padding: 0.5rem 1rem;
        position: relative;
        */
    }

    .nav-link {
        font-weight: 500;
        color: var(--primary-color);
        padding: 0.75rem 1rem;
        transition: all 0.2s ease;
    }

    .nav-link:hover {
        color: var(--secondary-color);
    }

    .dropdown-toggle::after {
        vertical-align: middle;
        margin-left: 0.5rem;
    }

    .dropdown-menu {
        border: none;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        border-radius: 8px;
        padding: 0;
        width: 750px;
        margin-top: 8px;
        border-left: 3px solid var(--secondary-color);
        display: none;
        position: absolute;
        left: 0;
    }

    .dropdown-menu.show {
        display: flex;
    }

    .dropdown-column {
        flex: 1;
        min-width: 300px;
        padding: 1.25rem 1.5rem;
    }

    .dropdown-header {
        font-weight: 600;
        color: var(--primary-color);
        padding: 0.5rem 0;
        margin-top: 0.5rem;
        text-transform: uppercase;
        font-size: 0.75rem;
        letter-spacing: 0.5px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid #eee;
    }

    .dropdown-header i {
        margin-right: 0.75rem;
        color: var(--secondary-color);
    }

    .dropdown-item {
        padding: 0.85rem 0.5rem;
        display: flex;
        align-items: flex-start;
        transition: all 0.2s ease;
        border-left: 3px solid transparent;
        margin: 0.15rem 0;
        border-radius: 4px;
    }

    .dropdown-item i {
        margin-right: 0.75rem;
        color: var(--dark-gray);
        font-size: 0.9em;
        margin-top: 3px;
        min-width: 20px;
    }

    .dropdown-item-content {
        flex: 1;
    }

    .dropdown-item-title {
        font-weight: 500;
        color: var(--primary-color);
        margin-bottom: 0.25rem;
    }

    .dropdown-item-desc {
        font-size: 0.74rem;
        color: var(--dark-gray);
        line-height: 1.4;
    }

    .dropdown-item:hover {
        background-color: rgba(52, 152, 219, 0.05);
        border-left: 3px solid var(--secondary-color);
    }

    .dropdown-item:hover .dropdown-item-title {
        color: var(--secondary-color);
    }

    .dropdown-divider {
        margin: 0.5rem 0;
        border-color: rgba(0,0,0,0.05);
    }

    .dropdown:hover .dropdown-menu,
    .dropdown-menu:hover {
        display: flex;
    }

    .nav-item.dropdown {
        position: static;
    }


    .dropdown > .dropdown-menu {
        left: auto;
        right: auto;
        width: 750px;
        margin-left: 0;
    }




    @media (max-width: 992px) {
        .dropdown-menu {
            width: 100%;
            min-width: auto;
            position: static;
            display: none;
        }

        .dropdown-menu.show {
            display: block;
        }

        .dropdown-column {
            min-width: auto;
        }
    }


    .navbar-nav > .nav-item:not(.dropdown) {
        position: relative;
        margin: 0 5px;
    }

    .navbar-nav > .nav-item:not(.dropdown) > .nav-link {
        position: relative;
    }

    .navbar-nav > .nav-item:not(.dropdown) > .nav-link::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 3px;
        background-color: var(--secondary-color);
        border-bottom: 3px solid blue;
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }

    .navbar-nav > .nav-item:not(.dropdown) > .nav-link:hover::after,
    .navbar-nav > .nav-item:not(.dropdown) > .nav-link:focus::after,
    .navbar-nav > .nav-item:not(.dropdown) > .nav-link.active::after {
        transform: scaleX(1);
    }

    .navbar-nav > .nav-item:not(.dropdown) > .nav-link {
        padding-bottom: 8px;
        margin-bottom: -8px;
    }

    /* Area de VideoYouTube */
    #overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.7);
      z-index: 999;
    }

    #diVideo {
      display: none;
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 90%;
      height: 94%;
      background-color: #111;
      padding: 20px;
      box-shadow: 0 0 20px rgba(0,0,0,0.6);
      z-index: 1000;
      border-radius: 10px;
    }

    #closeBtn {
      display: block;
      text-align: right;
      margin-top: -15px;
      margin-bottom: 10px;
      color: #fff;
      font-size: 24px;
      font-weight: bold;
      cursor: pointer;
      transition: color 0.3s ease;
    }

    #closeBtn:hover {
      color: #f00;
    }

    iframe {
      width: 100%;
      height: 93%;
      border: none;
      border-radius: 8px;
    }
    
    
    /* area Modal */
    
    .modal-content {
      border-radius: 1rem;
      box-shadow: 0 0 20px rgba(0,0,0,0.3);
      overflow: hidden;
      animation: fadeInModal 0.4s ease forwards;
    }

    @keyframes fadeInModal {
      from {opacity: 0; transform: translateY(-20px);}
      to {opacity: 1; transform: translateY(0);}
    }

    .modal-header {
      background: linear-gradient(45deg, #4e54c8, #8f94fb);
      color: white;
      border-bottom: none;
      justify-content: center;
      position: relative;
    }

    .modal-title {
      font-weight: 700;
      font-size: 1.2rem;
      color: white;
    }

    .btn-close {
      position: absolute;
      top: 1rem;
      right: 1rem;
      filter: brightness(0.8);
      transition: filter 0.3s;
    }

    .btn-close:hover {
      filter: brightness(1);
    }

    .modal-body {
      font-size: 1.1rem;
      color: #333;
      padding: 2rem;
      text-align: center;
    }

    .modal-footer {
      border-top: none;
      justify-content: center;
      gap: 1rem;
      padding-bottom: 1rem;
    }

    .btn-primary {
      background-color: #4e54c8;
      border: none;
      padding: 0.6rem 1.8rem;
      font-weight: 600;
      transition: background-color 0.3s;
      border-radius: 5px;
    }

    .btn-primary:hover {
      background-color: #3b3f9a;
    }

    .btn-secondary {
      background-color: #aaa;
      border: none;
      padding: 0.6rem 1.8rem;
      font-weight: 600;
      border-radius: 5px;
      transition: background-color 0.3s;
    }

    .btn-secondary:hover {
      background-color: #888;
    }