:root {
        --font-primary: 'Poppins', sans-serif;
        --font-secondary: 'Roboto', sans-serif;
        --transition: all 0.3s ease;

        /* New single color palette */
        --white: #ffffff;
        --light-gray: #f0eff2;
        --red: #db333d;
        --dark-blue: #000129;

        /* Semantic color assignments */
        --primary: var(--red);
        --primary-dark: #b82a33;
        --secondary: var(--light-gray);
        --dark: var(--dark-blue);
        --light: var(--light-gray);
        --accent: var(--red);
        --accent-light: rgba(219, 51, 61, 0.1);
    }

    #tsparticles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: var(--white);
    }

    body {
        font-family: var(--font-secondary);
        color: #333;
        line-height: 1.6;
        transition: var(--transition);
        background-color: var(--white);
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: var(--font-primary);
        font-weight: 700;
        color: var(--dark-blue);

    }

    .navbar {
        background-color: var(--white);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        padding: 15px 0;
        transition: var(--transition);
    }

    .navbar-brand {
        font-weight: 700;
        font-size: 1.8rem;
        color: var(--dark-blue);
    }

    .navbar-brand span {
        color: var(--red);
    }

    .nav-link {
        color: var(--dark-blue) !important;
        font-weight: 500;
    }

    .nav-link.active {
        color: var(--red) !important;
    }

    .hero {
        padding: 150px 0 100px;
        color: var(--white);
        background-size: cover;
        background-position: center;
        transition: var(--transition);
        background: linear-gradient(135deg, rgba(0,1,41,0.9) 0%, rgba(219,51,61,0.85) 100%), url('assets/hero.avif') center/cover no-repeat;
    }

    .hero h1 {
        color: var(--red);
        font-size: 3.5rem;
        font-weight: 800;
        text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    }

    @media (max-width: 768px) {
        .hero h1 {
            font-size: 2.5rem;
        }
        .hero p {
            font-size: 1.1rem;
        }
    }

    .hero p {
        font-size: 1.4rem;
        max-width: 700px;
        margin: 0 auto 30px;
    }

    .btn {
        padding: 12px 30px;
        font-weight: 500;
        border-radius: 50px;
        transition: var(--transition);
    }

    .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }

    .btn-primary {
        background-color: var(--red);
        border-color: var(--red);
    }

    .btn-primary:hover {
        background-color: var(--primary-dark);
        border-color: var(--primary-dark);
    }

    .btn-light {
        background-color: var(--white);
        color: var(--dark-blue);
        border-color: var(--white);
    }

    .btn-outline-light {
        color: var(--white);
        border-color: var(--white);
    }

    .btn-outline-light:hover {
        background-color: var(--white);
        color: var(--dark-blue);
    }

    .section-title {
        position: relative;
        margin-bottom: 60px;
        text-align: center;
    }

    .section-title:after {
        content: '';
        position: absolute;
        bottom: -15px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        border-radius: 2px;
        background: var(--red);
    }

    .service-card {
        background: var(--white);
        border-radius: 10px;
        overflow: hidden;
        height: 100%;
        transition: var(--transition);
        box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        border: none;
    }

    .service-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    }

    .service-icon {
        font-size: 3rem;
        margin-bottom: 20px;
        color: var(--red);
    }

    .about-section {
        background-color: var(--light-gray);
        padding: 100px 0;
        transition: var(--transition);
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        font-size: 24px;
        background: rgba(219, 51, 61, 0.1);
        color: var(--red);
    }

    .portfolio-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
    }

    @media (max-width: 576px) {
        .portfolio-grid {
            grid-template-columns: 1fr;
        }
    }

    .portfolio-item {
        border-radius: 10px;
        overflow: hidden;
        position: relative;
        height: 250px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }

    .portfolio-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s;
    }

    .portfolio-item:hover img {
        transform: scale(1.1);
    }

    .portfolio-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        opacity: 0;
        transition: opacity 0.3s;
        padding: 20px;
        text-align: center;
        color: var(--white);
        background: rgba(0, 1, 41, 0.85);
    }

    .portfolio-item:hover .portfolio-overlay {
        opacity: 1;
    }

    .contact-section {
        padding: 100px 0;
        background-size: cover;
        transition: var(--transition);
        background: linear-gradient(135deg, rgba(0,1,41,0.05) 0%, rgba(219,51,61,0.05) 100%);
    }

    .contact-form .form-control {
        padding: 15px;
        border-radius: 8px;
        border: 1px solid #dee2e6;
        margin-bottom: 20px;
    }

    .contact-form .form-control:focus {
        border-color: var(--red);
        box-shadow: 0 0 0 0.25rem rgba(219, 51, 61, 0.25);
    }

    .contact-info {
        background: var(--white);
        border-radius: 10px;
        padding: 30px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }

    .contact-icon {
        font-size: 24px;
        margin-right: 15px;
        color: var(--red);
    }

    footer {
        background: var(--dark-blue);
        color: var(--white);
        padding: 70px 0 30px;
        transition: var(--transition);
    }

    .footer-title {
        color: var(--red);
        position: relative;
        padding-bottom: 15px;
        margin-bottom: 20px;
    }

    .footer-title:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 50px;
        height: 3px;
        background: var(--red);
    }

    .social-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: rgba(255,255,255,0.1);
        border-radius: 50%;
        color: var(--white);
        font-size: 18px;
        margin-right: 10px;
        transition: var(--transition);
    }

    .social-icon:hover {
        transform: translateY(-3px);
        background: var(--red);
    }

    .copyright {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 20px;
        margin-top: 50px;
    }

    .map-container {
        height: 300px;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }

    .map-container iframe {
        width: 100%;
        height: 100%;
        border: none;
    }

    .lang-btn {
        border: none;
        background: none;
        padding: 5px 10px;
        border-radius: 4px;
        margin-left: 10px;
        transition: var(--transition);
    }

    .lang-btn:hover {
        background: rgba(0,0,0,0.1);
    }

    /* Control panel - updated for single theme */
    .control-panel {
        position: fixed;
        top: 100px;
        right: 20px;
        background: var(--white);
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        padding: 15px;
        z-index: 1000;
    }

    @media (max-width: 768px) {
        .control-panel {
            top: 70px;
            right: 10px;
            padding: 10px;
        }
    }

    .control-panel h5 {
        font-size: 1rem;
        margin-bottom: 10px;
        color: var(--dark-blue);
    }

    .lang-selector {
        display: flex;
        gap: 10px;
        margin-bottom: 15px;
    }

    .lang-option {
        width: 30px;
        height: 30px;
        border-radius: 50%;
        cursor: pointer;
        border: 2px solid transparent;
        transition: var(--transition);
    }

    .lang-option:hover {
        transform: scale(1.1);
    }

    .lang-option.active {
        border-color: var(--dark-blue);
        transform: scale(1.1);
    }

    .lang-en {
        background: url('https://flagcdn.com/w40/us.png') center/cover;
    }

    .lang-es {
        background: url('https://flagcdn.com/w40/es.png') center/cover;
    }

    /* Modal styles */
    .modal-content {
        border-radius: 15px;
        overflow: hidden;
    }

    .modal-header {
        background-color: var(--red);
        color: var(--white);
    }

    .modal-tech-icon {
        font-size: 2rem;
        margin-right: 15px;
        color: var(--white);
    }

    .modal-tech-list {
        list-style-type: none;
        padding: 0;
    }

    .modal-tech-list li {
        padding: 8px 0;
        border-bottom: 1px solid #eee;
    }

    .modal-tech-list li:last-child {
        border-bottom: none;
    }

    .modal-tech-list li i {
        margin-right: 10px;
        color: var(--red);
    }

    .btn-modal {
        background-color: var(--red);
        color: var(--white);
        border: none;
    }

    .btn-modal:hover {
        background-color: var(--primary-dark);
        color: var(--white);
    }

    /* Logo carousel */
    .logo-carousel {
        background-color: var(--light-gray);
        padding: 60px 0;
        overflow: hidden;
    }

    .carousel-title {
        text-align: center;
        margin-bottom: 40px;
        font-weight: 700;
        color: var(--dark-blue);
    }

    .logo-track {
        display: flex;
        animation: scroll 60s linear infinite;
        width: max-content;
    }

    .logo-item {
        height: 80px;
        margin: 0 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .logo-item img {
        max-height: 60px;
        max-width: 180px;
        filter: grayscale(100%);
        transition: all 0.3s ease;
    }

    .logo-item img:hover {
        filter: grayscale(0);
        transform: scale(1.05);
    }

    @keyframes scroll {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }

    .clients-section {
        padding: 80px 0;
    }

    /* Remove old theme styles */
    .theme-selector, .theme-option, .theme-1-option, .theme-2-option {
        display: none;
    }