:root {
            --primary-color: #2c3e50;
            --secondary-color: #e74c3c;
            --light-bg: #f8f9fa;
            --dark-bg: #121212;
            --text-light: #ffffff;
            --text-dark: #333333;
            --accent-color: #3498db;
            --card-bg-light: #ffffff;
            --card-bg-dark: #1e1e1e;
            --transition: all 0.3s ease;
        }

        [data-theme="dark"] {
            --primary-color: #ecf0f1;
            --secondary-color: #e74c3c;
            --light-bg: #121212;
            --dark-bg: #1e1e1e;
            --text-light: #ffffff;
            --text-dark: #ecf0f1;
            --text-darks: #121212;
            --accent-color: #3498db;
            --card-bg-light: #1e1e1e;
            --card-bg-dark: #2d2d2d;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--text-dark);
            background-color: var(--light-bg);
            transition: var(--transition);
            padding-bottom: 80px; /* Espacio para botones flotantes en móvil */
        }

        .navbar {
            padding: 1rem 0;
            background-color: rgba(248, 249, 250, 0.95) !important;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        [data-theme="dark"] .navbar {
            background-color: rgba(18, 18, 18, 0.95) !important;
        }

        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
        }

        /* Estilos generales para la imagen del logo en la barra de navegación */
        .navbar-brand .logo {
            height: 70px; /* Define una altura específica, ajusta a tu gusto */
            width: auto; /* Mantiene la proporción */
            transition: var(--transition); /* Asegura una transición suave si cambias el color */
        }

        [data-theme="dark"] .navbar-brand .logo {
            /* Aplicar un filtro para convertir el logo de negro a blanco */
            /* Este filtro intenta convertir el negro (#000) a blanco (#fff) */
            filter: invert(1) hue-rotate(180deg);
        }

        .nav-link {
            font-weight: 500;
            color: var(--primary-color) !important;
            position: relative;
            transition: var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }

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

        .hero-section {
            position: relative;
            height: 100vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: -1;
        }

        .hero-content {
            z-index: 1;
            color: white;
        }

        .hero-content h1 {
            font-weight: 700;
            margin-bottom: 1.5rem;
            font-size: 3.5rem;
        }

        .hero-content .lead {
            font-size: 1.25rem;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-primary:hover {
            background-color: transparent;
            border-color: var(--secondary-color);
            color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        section {
            padding: 5rem 0;
        }

        h2 {
            font-weight: 700;
            margin-bottom: 3rem;
            color: var(--primary-color);
            position: relative;
            display: inline-block;
        }

        h2::after {
            content: '';
            position: absolute;
            width: 50%;
            height: 3px;
            background-color: var(--secondary-color);
            bottom: -10px;
            left: 0;
        }

        .text-center h2::after {
            left: 25%;
        }

        .card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            background-color: var(--card-bg-light);
        }

        [data-theme="dark"] .card {
            background-color: var(--card-bg-dark);
        }

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

        .card-title, .card-text {
            color: var(--text-dark);
        }

        .btn-outline-primary {
            color: var(--secondary-color);
            border-color: var(--secondary-color);
        }

        .btn-outline-primary:hover {
            background-color: var(--secondary-color);
            color: white;
        }

        .service-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }

        .service-card {
            background-color: var(--card-bg-light) !important;
        }

        [data-theme="dark"] .service-card {
            background-color: var(--card-bg-dark) !important;
        }

        .service-card h4, .service-card p {
            color: var(--text-dark);
        }

        form .form-control {
            border-radius: 5px;
            padding: 0.75rem;
            border: 1px solid #ddd;
            transition: var(--transition);
            background-color: var(--card-bg-light);
            color: var(--text-dark);
        }

        [data-theme="dark"] form .form-control {
            background-color: #2a2a2a;
            border-color: #444;
            color: var(--text-dark);
        }

        form .form-control:focus {
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 0.25rem rgba(231, 76, 60, 0.25);
        }

        .btn-send {
            background-color: var(--secondary-color);
            border: none;
            padding: 0.75rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-send:hover {
            background-color: #c0392b;
            transform: translateY(-3px);
        }

        footer {
            background-color: var(--primary-color); /* #2c3e50 en tema claro */
            color: var(--text-light); /* Texto blanco (#ffffff) en tema claro */
            padding: 3rem 0;
            text-align: center;
        }

        [data-theme="dark"] footer {
            /* El background ya es var(--primary-color) que es #ecf0f1 (claro) en modo oscuro */
            color: var(--text-darks); /* Texto oscuro (#ecf0f1) en modo oscuro */
        }

        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(0, 0, 0, 0.1);
            border-radius: 50%;
            color: var(--text-light); /* Iconos blancos en el footer de tema claro */
            text-align: center;
            line-height: 40px;
            margin: 0 5px;
            transition: var(--transition);
        }

        .social-icons a:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
            color: white; /* Iconos blancos al hacer hover */
        }

        [data-theme="dark"] .social-icons a {
            color: var(--text-darks); /* Iconos oscuros en el footer de tema oscuro */
        }

        /* Estilos para la sección de Proyectos */
        .projects-section .card {
            /* Opcional: Asegurar que todas las tarjetas tengan una altura similar si hay mucho texto */
            height: 100%;
        }

        .projects-section .card .card-img-top {
            /* 1. Establecer una altura fija para todas las imágenes del carrusel */
            height: 200px; /* Puedes ajustar este valor (por ejemplo: 200px, 250px, etc.) */
    
            /* 2. Asegurar que la imagen cubra el contenedor sin distorsionarse */
            object-fit: cover;
    
            /* 3. Asegurar que la imagen se vea bien en el contenedor fijo */
            width: 100%;
        }

        /* Botón de WhatsApp - Solo ícono */
        .whatsapp-button {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 60px;
            height: 60px;
            background: #25D366;
            color: white;
            border-radius: 50%;
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
            z-index: 1000;
            transition: var(--transition);
        }

        .whatsapp-button i {
            font-size: 30px;
        }

        .whatsapp-button:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
            color: white;
        }

        #themeToggle {
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        #themeToggle:hover {
            background: var(--primary-color);
            color: var(--light-bg);
        }

        [data-theme="dark"] #themeToggle {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        [data-theme="dark"] #themeToggle:hover {
            background: var(--primary-color);
            color: var(--dark-bg);
        }

        /* Back to top button */
        .back-to-top {
            position: fixed;
            bottom: 90px;
            right: 20px;
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
        }

        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: #c0392b;
            transform: translateY(-3px);
        }

        .back-to-top i {
            font-size: 20px;
        }

        /* Loading animation */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s ease;
        }

        [data-theme="dark"] .loading-overlay {
            background: var(--dark-bg);
        }

        .loader {
            width: 48px;
            height: 48px;
            border: 5px solid var(--primary-color);
            border-bottom-color: transparent;
            border-radius: 50%;
            animation: rotation 1s linear infinite;
        }

        @keyframes rotation {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Project modal - Mejoras para móvil */
        .modal-content {
            border-radius: 15px;
            overflow: hidden;
            background-color: var(--card-bg-light);
            color: var(--text-dark);
        }

        [data-theme="dark"] .modal-content {
            background-color: var(--card-bg-dark);
        }

        .modal-header, .modal-footer {
            border-color: rgba(0,0,0,0.1);
        }

        [data-theme="dark"] .modal-header, 
        [data-theme="dark"] .modal-footer {
            border-color: rgba(255,255,255,0.1);
        }

        .modal-title {
            color: var(--text-dark);
            font-size: 1.5rem;
        }

        /* Project image slider */
        .project-slider {
            position: relative;
            margin-bottom: 1.5rem;
        }

        .carousel-inner {
            border-radius: 10px;
            overflow: hidden;
        }

        .carousel-control-prev, .carousel-control-next {
            width: 40px;
            height: 40px;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
            opacity: 0.7;
        }

        .carousel-control-prev {
            left: 15px;
        }

        .carousel-control-next {
            right: 15px;
        }

        .carousel-control-prev:hover, .carousel-control-next:hover {
            opacity: 0.9;
        }

        .carousel-indicators {
            bottom: -40px;
        }

        .carousel-indicators button {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin: 0 5px;
            background-color: var(--primary-color);
        }

        /* Projects carousel */
        .projects-carousel {
            position: relative;
            padding: 2rem 0;
        }

        .carousel-control-prev, .carousel-control-next {
            width: 50px;
            height: 50px;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
            opacity: 0.8;
        }

        .carousel-control-prev {
            left: -25px;
        }

        .carousel-control-next {
            right: -25px;
        }

        .carousel-control-prev:hover, .carousel-control-next:hover {
            opacity: 1;
            background: rgba(0, 0, 0, 0.6);
        }

        /* Stats counter */
        .stats-container {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://placehold.co/1920x600/2c3e50/ffffff?text=Background') center/cover no-repeat;
            color: white;
            padding: 5rem 0;
            text-align: center;
        }

        [data-theme="dark"] .stats-container {
            background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('https://placehold.co/1920x600/2c3e50/ffffff?text=Background') center/cover no-repeat;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 1.1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Form labels */
        .form-label {
            color: var(--text-dark);
        }

        /* List items in contact section */
        .list-unstyled li {
            color: var(--text-dark);
        }

        /* Responsive adjustments - Mejoras para móvil */
        @media (max-width: 768px) {
            body {
                padding-bottom: 70px; /* Espacio para botones flotantes en móvil */
            }
            
            .hero-content h1 {
                font-size: 2.2rem;
            }
            
            .hero-content .lead {
                font-size: 1rem;
            }
            
            section {
                padding: 3rem 0;
            }

            .carousel-control-prev {
                left: 5px;
            }

            .carousel-control-next {
                right: 5px;
            }

            .projects-carousel .carousel-control-prev,
            .projects-carousel .carousel-control-next {
                width: 40px;
                height: 40px;
            }

            .projects-carousel .carousel-control-prev {
                left: -15px;
            }

            .projects-carousel .carousel-control-next {
                right: -15px;
            }

            /* Ajustes para modales en móviles */
            .modal-dialog {
                margin: 0.5rem;
            }

            .modal-content {
                border-radius: 10px;
            }

            .modal-header {
                padding: 1rem;
            }

            .modal-title {
                font-size: 1.3rem;
            }

            .modal-body {
                padding: 1rem;
            }

            .modal-footer {
                padding: 1rem;
            }

            .carousel-control-prev, .carousel-control-next {
                width: 35px;
                height: 35px;
            }

            /* Ajustes para el carrusel de proyectos */
            .projects-carousel .card {
                margin-bottom: 1.5rem;
            }

            .projects-carousel .card-title {
                font-size: 1.1rem;
            }

            .projects-carousel .card-text {
                font-size: 0.9rem;
            }

            /* Ajustes para la navegación */
            .navbar-brand {
                font-size: 1.1rem;
            }

            .navbar-nav .nav-link {
                font-size: 1rem;
                padding: 0.5rem 1rem;
            }

            /* Ajustes para estadísticas */
            .stat-number {
                font-size: 2.2rem;
            }

            .stat-label {
                font-size: 0.9rem;
            }

            /* Ajustes para el botón de WhatsApp - MÓVIL */
            .whatsapp-button {
                width: 55px;
                height: 55px;
                bottom: 15px;
                right: 15px;
            }

            .whatsapp-button i {
                font-size: 26px;
            }

            /* Ajustes para el botón de ir arriba - MÓVIL */
            .back-to-top {
                width: 45px;
                height: 45px;
                bottom: 75px;
                right: 15px;
            }

            .back-to-top i {
                font-size: 18px;
            }
        }

        @media (max-width: 576px) {
            .hero-content h1 {
                font-size: 1.8rem;
            }
            
            .hero-content .lead {
                font-size: 0.9rem;
            }

            .btn-primary {
                padding: 0.6rem 1.5rem;
                font-size: 0.9rem;
            }

            h2 {
                font-size: 1.8rem;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .modal-title {
                font-size: 1.2rem;
            }

            /* Ajustes adicionales para móviles muy pequeños */
            .whatsapp-button {
                width: 50px;
                height: 50px;
                bottom: 12px;
                right: 12px;
            }

            .whatsapp-button i {
                font-size: 24px;
            }

            .back-to-top {
                width: 42px;
                height: 42px;
                bottom: 68px;
                right: 12px;
            }

            .back-to-top i {
                font-size: 16px;
            }
        }

        /* Ajustes específicos para dispositivos muy pequeños (menos de 360px) */
        @media (max-width: 360px) {
            .whatsapp-button {
                width: 46px;
                height: 46px;
                bottom: 10px;
                right: 10px;
            }

            .whatsapp-button i {
                font-size: 22px;
            }

            .back-to-top {
                width: 40px;
                height: 40px;
                bottom: 62px;
                right: 10px;
            }

            .back-to-top i {
                font-size: 15px;
            }
        }