/* Paleta de colores clara y elegante */
    :root {
        --primary-color: #2c3e50;
        --secondary-color: #3498db;
        --accent-color: #e74c3c;
        --light-bg: #f6f6f6;
        --text-color: #2c3e50;
        --border-color: #e9ecef;
        --success-color: #27ae60;
        --warning-color: #f39c12;
        --dark-back: #013295;
    }

    body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        color: var(--text-color);
        line-height: 1.6;
    }

    /* Header - Manteniendo el original */
    #menuTop {
        background-color: white;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        padding: 1rem 0;
        top:0;
        position: fixed;
        z-index: 9999;
        width: 100%;
        
    }

    #menuTop li a{
        font-size: 1.2em;
    }

    #menuTop li a i{
        padding: 0 5px 0 0;
    }



    #sTool, #sData1, #sDownload{
        padding: 200px 0 100px 0;

    }

    #infoTabsContent{
        background-color: var(--light-bg);

    }


    #sDatosTecnicos{
        margin-top: -100px;
    }


    #sDatosTecnicos h4{
        margin-top: 25px;
    }

    .navbar-brand {
        font-weight: 700;
        color: var(--primary-color);
        font-size: 1.5rem;
    }

    /*   .navbar-brand img {
        height: 40px;
        margin-right: 10px;
    }*/

    .nav-link {
        font-weight: 500;
        color: var(--primary-color);
        margin: 0 8px;
        transition: color 0.3s ease;
        font-size:1.2em;
    }

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

    header .nav-link.active {
        color: var(--dark-back) !important;
        font-weight: 600;
        
    }

    .nav-link i{
        padding: 0 5px 0 0;
        font-size:1.6em;
    }


    /* Hero Section */
    .hero-section {
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        padding: 4rem 0;
        margin-bottom: 2rem;
        border-radius: 12px;
    }

    .hero-title {
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        color: #6c757d;
        font-size: 1.1rem;
    }

    /* Observatorio Section - Vertical Tabs */
  

    .vertical-tabs-container {
        background: var(--light-bg);
        border-radius: 12px;
        box-shadow: 5px 7px 10px rgba(155, 155, 155, 0.53);
        overflow: hidden;
    }

    .nav-tabs-vertical {
        border: none;
        /* background: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%); */
        /* background: var(--dark-back); */
        background: linear-gradient(135deg, var(--dark-back) 50%, #2980b9 100%);
        min-width: 220px;
    }

    .nav-tabs-vertical .nav-link {
        color: rgba(255,255,255,0.8);
        border: none;
        border-radius: 0;
        padding: 16px 20px;
        font-weight: 600;
        transition: all 0.3s ease;
        margin: 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        display: flex;
        align-items: center;
    }

    .nav-tabs-vertical .nav-link i {
        margin-right: 10px;
        font-size: 2em;
    }

    .nav-tabs-vertical .nav-link:hover {
        color: white;
        background: rgba(255,255,255,0.1);
    }

    .nav-tabs-vertical .nav-link.active {
        color: white;
        background: var(--secondary-color);
        /* border-left: 4px solid white; */
        border-bottom: 1px solid rgba(255,255,255,0.3);
    }

    .tab-content-vertical {
        padding: 2rem;
        background-color: var(--light-bg);
        flex: 1;
    }

    .tab-pane-vertical {
        animation: fadeIn 0.5s ease-in-out;
    }

.prev-info-text{
    padding: 0 15% 100px 15%;
}

.margin-left-list{
    margin-left:5%;
}


#sDatosTecnicos{
    margin: 50px;
}

#infoTabs li.nav-item button.nav-link.active{
    background-color: var(--light-bg);
}

    @keyframes fadeIn {
        from { opacity: 0; transform: translateX(10px); }
        to { opacity: 1; transform: translateX(0); }
    }

    .tab-icon-large {
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, var(--dark-back) 0%, #2980b9 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        /* margin-bottom: 1.5rem; */
        float: left;
        margin: 10px 15px 0 0;
    }

    .tab-icon-large i {
        color: white;
        font-size: 2rem;
    }
            
    .navbar li.nav-item.active a{
        color: var(--dark-back);
    }


    .tab-content .tab-pane  {
        padding: 10px 50px;
    }
            

    .tab-icon-large.mision {
        background: linear-gradient(135deg, var(--success-color) 0%, #219653 100%);
    }

    .tab-icon-large.objetivos {
        background: linear-gradient(135deg, var(--warning-color) 0%, #e67e22 100%);
    }

    .tab-icon-large.metodologia {
        background: linear-gradient(135deg, var(--accent-color) 0%, #c0392b 100%);
    }

    .tab-icon-large.participacion {
        background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
    }

    /* Cards Section */
    .card-section {
        margin: 3rem 0;
    }

    .section-title {
        font-weight: 700;
        color: var(--dark-back);
        margin-bottom: 2rem;
        text-align: center;
    }

    .card {
        border: none;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        height: 100%;
    }

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    }

    .card-icon {
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, var(--secondary-color) 0%, #2980b9 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1.5rem;
    }

    .card-icon i {
        color: white;
        font-size: 1.8rem;
    }

    .card-title {
        font-weight: 600;
        color: var(--primary-color);
        margin-bottom: 1rem;
    }

    .card-text {
        color: #6c757d;
    }

    /* Iframe Section */
    .iframe-section {
        margin: 3rem 0;
    }

    .iframe-container {
        position: relative;
        padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
        height: 0;
        overflow: hidden;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }

    .iframe-container iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: none;
    }

    /* Technical Info Section */
    .technical-section {
        margin: 3rem 0;
        background: white;
        padding: 2rem;
        /* border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.08); */
    }

    .toggle-btn {
        background: linear-gradient(135deg, var(--secondary-color) 0%, #2980b9 100%);
        color: white;
        border: none;
        padding: 12px 24px;
        font-size: 16px;
        font-weight: 600;
        border-radius: 8px;
        transition: all 0.3s ease;
        box-shadow: 0 4px 6px rgba(52, 152, 219, 0.2);
        width: 100%;
        margin-bottom: 1rem;
    }

    .toggle-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 8px rgba(52, 152, 219, 0.3);
    }

    .info-section {
        display: none;
        animation: fadeIn 0.5s ease-in-out;
    }

    .info-section.show {
        display: block;
    }

    .technical-tabs .nav-link {
        font-weight: 600;
        color: var(--primary-color);
        border: 1px solid transparent;
        border-radius: 8px 8px 0 0;
        padding: 12px 20px;
        margin-right: 5px;
        transition: all 0.3s ease;
        background-color: #f8f9fa;
    }

    .technical-tabs .nav-link:hover {
        color: var(--secondary-color);
        background-color: #e9ecef;
    }

    .technical-tabs .nav-link.active {
        color: var(--secondary-color);
        background-color: white;
        border-color: var(--border-color) var(--border-color) white;
    }

    .info-icon {
        margin-right: 8px;
        color: var(--secondary-color);
    }

    .map-icon {
        margin-right: 8px;
        color: var(--success-color);
    }

    .content-text {
        line-height: 1.6;
        color: var(--text-color);
    }

    .content-text ul {
        padding-left: 20px;
        margin: 15px 0;
    }

    .content-text li {
        margin-bottom: 8px;
    }

    /* Footer */
    .footer {
        background: var(--primary-color);
        color: white;
        padding: 2rem 0;
        margin-top: 3rem;
    }

    .footer a {
        color: var(--secondary-color);
        text-decoration: none;
    }

    .footer a:hover {
        color: white;
        text-decoration: underline;
    }

    /* Mobile Menu */
    .navbar-toggler {
        border: none;
        padding: 0.25rem 0.75rem;
    }

    .navbar-toggler-icon {
        background-image: url("image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2844, 62, 80, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }




 .footer-area {
  background: var(--dark-back);
  width: 100%;
  padding: 25px 0;
}

#copyright{
    background: var(--text-color);
    width: 100%;
    padding: 5px  0 0 0;
    text-align: center;
    color: var(--light-bg);
}

.footer-area .footer-titel {
  font-size: 20px;
  color: #fff;
  font-weight: 700;
  padding-bottom: 10px;
  letter-spacing: 0.5px;
}

    /* Responsive adjustments for vertical tabs */
    @media (max-width: 992px) {
        .nav-tabs-vertical {
            min-width: auto;
            width: 100%;
            flex-direction: row;
            border-radius: 12px 12px 0 0;
        }
        
        .nav-tabs-vertical .nav-link {
            border-bottom: none;
            border-right: 1px solid rgba(255,255,255,0.1);
            border-radius: 0;
        }
        
        .nav-tabs-vertical .nav-link:last-child {
            border-right: none;
        }
        
        .nav-tabs-vertical .nav-link.active {
            border-left: none;
            border-bottom: 4px solid white;
        }
    }

    @media (max-width: 768px) {
        .hero-section {
            padding: 2rem 0;
        }
        
        .hero-title {
            font-size: 1.8rem;
        }
        
        .nav-tabs-vertical .nav-link {
            padding: 12px 16px;
            font-size: 0.85rem;
        }
        
        .nav-tabs-vertical .nav-link i {
            margin-right: 5px;
            font-size: 1rem;
        }
        
        .tab-content-vertical {
            padding: 1.5rem;
        }
        
        .tab-icon-large {
            width: 50px;
            height: 50px;
        }
        
        .tab-icon-large i {
            font-size: 1.5rem;
        }
        
        .card-icon {
            width: 50px;
            height: 50px;
        }
        
        .card-icon i {
            font-size: 1.5rem;
        }
        
        .technical-tabs .nav-link {
            padding: 10px 12px;
            font-size: 0.9rem;
        }
    }

    @media (max-width: 576px) {
        .hero-title {
            font-size: 1.5rem;
        }
        
        .section-title {
            font-size: 1.5rem;
        }
        
        .nav-tabs-vertical .nav-link {
            padding: 10px 12px;
            font-size: 0.75rem;
        }
    }