/* ESTILO MATRIX */
:root {
    --matrix-green: white;
    --matrix-green-dark: white;
    --matrix-bg: #080808;
    --text-color-matrix: var(--matrix-green);
    --font-family-matrix: 'Consolas', 'Courier New', Courier, monospace;
    --transition-speed: 0.2s;
}

/* RESET BÁSICO Y ESTILOS GLOBALES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-matrix);
    line-height: 1.6;
    background-color: var(--matrix-bg);
    color: var(--text-color-matrix);
    overflow-x: hidden;
}

#matrixCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.content-section {
    /*background-color: rgba(0, 0, 0, 0.7);*/ /* Aumentada opacidad para mejor contraste */
    position: relative;
    z-index: 1;
}

h1, h2, h3 {
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--matrix-green);
    text-shadow: 0 0 5px var(--matrix-green);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 1.8rem;
    text-align: left;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--matrix-green-dark);
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.3rem;
}

p {
    margin-bottom: 1rem;
}

.comment {
    color: #999;
    font-style: italic;
}
/* Aclarado color de comentario */
.keyword {
    color: var(--matrix-green-dark);
    font-weight: bold;
}

.variable {
    color: #7fdbca;
}

a {
    text-decoration: none;
    color: var(--matrix-green);
    transition: color var(--transition-speed) ease, text-shadow var(--transition-speed) ease;
}

    a:hover {
        color: #fff;
        text-shadow: 0 0 8px var(--matrix-green);
    }

img {
    max-width: 100%;
    height: auto;
    display: block;
    /*border: 1px solid var(--matrix-green-dark);*/
}

.section-padding {
    padding: 40px 0;
}

/* BOTONES */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-family: var(--font-family-matrix);
    text-align: center;
    border: 1px solid var(--matrix-green);
    color: var(--matrix-green);
    background-color: transparent;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    text-transform: uppercase;
}

.btn-primary:hover {
    background-color: var(--matrix-green);
    color: var(--matrix-bg);
    box-shadow: 0 0 15px var(--matrix-green);
}

/* ENCABEZADO Y NAVEGACIÓN */
header {
    background-color: rgba(0,0,0,0.9); /* Ligeramente más opaco */
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--matrix-green-dark);
}

    header nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    header .logo {
        font-size: 1.5rem;
        font-weight: bold;
        color: var(--matrix-green);
        text-shadow: 0 0 5px var(--matrix-green);
    }

/* Botón Hamburguesa */
.menu-toggle {
    display: none; /* Oculto por defecto en desktop */
    background: transparent;
    border: 1px solid var(--matrix-green-dark);
    color: var(--matrix-green);
    font-size: 1.5rem; /* Tamaño del ícono */
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    z-index: 1001; /* Encima del menú si es necesario */
}

    .menu-toggle:hover {
        color: #fff;
        border-color: var(--matrix-green);
    }

header ul#mainNavLinks {
    list-style: none;
    display: flex; /* Visible en desktop por defecto */
}

    header ul#mainNavLinks li {
        margin-left: 15px;
    }

        header ul#mainNavLinks li a {
            color: var(--matrix-green);
            font-weight: normal;
            padding: 3px 0;
            border-bottom: 1px solid transparent;
        }

            header ul#mainNavLinks li a:hover,
            header ul#mainNavLinks li a.active {
                color: #fff;
                text-shadow: 0 0 8px var(--matrix-green);
                border-bottom: 1px solid var(--matrix-green);
            }

/* SECCIÓN HERO (sin cambios significativos, solo para contexto) */
.hero-section {
    position: relative;
    height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
    background-color: rgba(0,0,0,0.5);
    border-bottom: 2px solid var(--matrix-green);
}

.slideshow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.3;
}

.slide {
    display: none;
    width: 100%;
    height: 100%;
}

    .slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        filter: grayscale(80%) brightness(0.5) contrast(1.1);
    }

.fade {
    animation-name: fadeAnimation;
    animation-duration: 1.5s;
}

@keyframes fadeAnimation {
    from {
        opacity: .4
    }

    to {
        opacity: 1
    }
}

.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 12px 10px;
    margin-top: -20px;
    color: var(--matrix-green);
    font-weight: bold;
    font-size: 18px;
    transition: 0.3s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    z-index: 3;
    background-color: rgba(0, 20, 0, 0.5);
    border: 1px solid var(--matrix-green-dark);
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev {
    left: 0;
}

    .prev:hover, .next:hover {
        background-color: var(--matrix-green);
        color: var(--matrix-bg);
    }

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    margin-left: 7%;
    margin-right: 7%;
    position: relative;
    z-index: 3;
    max-width: 800px;
}

    .hero-content h1 {
        font-size: 2.8rem;
        text-shadow: 0 0 10px var(--matrix-green), 0 0 20px var(--matrix-green);
    }

    .hero-content p {
        font-size: 1.2rem;
        color: #ccc;
        margin-bottom: 2rem;
    }

.hero-section .btn-primary {
    padding: 12px 25px;
    font-size: 1rem;
}

.dots-container {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.dot {
    cursor: pointer;
    height: 10px;
    width: 10px;
    margin: 0 5px;
    background-color: rgba(57, 255, 20, 0.3);
    border: 1px solid var(--matrix-green-dark);
    border-radius: 50%;
    display: inline-block;
    transition: background-color var(--transition-speed) ease;
}

    .active-dot, .dot:hover {
        background-color: var(--matrix-green);
    }


/* SECCIONES (sin cambios significativos, solo para contexto) */
.nosotros-content {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.nosotros-content-info{
    padding-left:5%;
}

.nosotros-img {
    flex: 1;
    max-width: 350px;
    border-radius: 0;
}

.nosotros-content div {
    flex: 2;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.servicio-item {
    background: rgba(10, 25, 10, 0.3);
    padding: 1.5rem;
    border: 1px solid var(--matrix-green-dark);
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    text-align: center;
}

    .servicio-item:hover {
        background-color: rgba(20, 50, 20, 0.5);
        box-shadow: 0 0 10px var(--matrix-green);
    }

    .servicio-item i {
        color: var(--matrix-green);
        margin-bottom: 1rem;
        text-shadow: 0 0 5px var(--matrix-green);
    }

.proyectos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.proyecto-item {
    background: rgba(10, 25, 10, 0.3);
    border: 1px solid var(--matrix-green-dark);
    padding:1.5rem;
    overflow: hidden;
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

    .proyecto-item:hover {
        background-color: rgba(20, 50, 20, 0.5);
        box-shadow: 0 0 10px var(--matrix-green);
    }

    .proyecto-item img {
        height: 200px;
        object-fit: cover;
        filter: grayscale(50%) contrast(1.1);
        /*border-bottom: 1px solid var(--matrix-green-dark);*/
    }

    .proyecto-item:hover img {
        filter: grayscale(0%) contrast(1);
    }

    .proyecto-item h3, .proyecto-item p {
        padding: 0 1rem;
    }

    .proyecto-item h3 {
        margin-top: 1rem;
        color: var(--matrix-green);
    }

    .proyecto-item p {
        padding-bottom: 1rem;
        font-size: 0.9rem;
        color: #bbb;
    }
    .proyecto-item i{
        font-size:50px;
    }

    .contact-form .form-group {
        display: flex;
        gap: 1rem;
        margin-bottom: 1rem;
    }

.contact-form input[type="text"], .contact-form input[type="email"], .contact-form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 1rem;
    border: 1px solid var(--matrix-green-dark);
    border-radius: 0;
    background-color: rgba(0,0,0,0.5);
    color: var(--text-color-matrix);
    font-family: var(--font-family-matrix);
}

    .contact-form input::placeholder, .contact-form textarea::placeholder {
        color: #777;
    }

.contact-form button {
    width: auto;
    margin-top: 0.5rem;
}

.contact-info {
    margin-top: 2rem;
    text-align: left;
}

    .contact-info p {
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
    }

    .contact-info i {
        margin-right: 8px;
        text-shadow: 0 0 3px var(--matrix-green);
    }

/* PIE DE PÁGINA */
footer {
    background-color: rgba(0,0,0,0.8);
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--matrix-green-dark);
    position: relative;
    z-index: 1;
}

    footer p {
        margin-bottom: 0;
        font-size: 0.85rem;
    }

/* ANIMACIONES PARA SCROLL */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

    .animate-on-scroll.is-visible {
        opacity: 1;
        transform: translateY(0);
        text-align: center;
        display: grid;
        place-items: center;
    }








#servicios {
    height: 300px;
}
#proyectos {
    height: 400px;
}

    #servicios .servicios-grid,
    #proyectos .proyectos-grid {
        position: relative; /* Para posicionar los items absolutamente */
        height: auto; /* La altura se ajusta al contenido visible */
    }

.servicio-item,
.proyecto-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0; /* Inicialmente ocultos */
    transition: opacity 1s ease-in-out; /* Transición suave de opacidad */
}

    .servicio-item:nth-child(1),
    .proyecto-item:nth-child(1) {
        animation: aparecerDesaparecer 9s infinite;
        opacity: 1;
    }

    .servicio-item:nth-child(2),
    .proyecto-item:nth-child(2) {
        animation: aparecerDesaparecer 9s infinite 3s; /* Comienza después de 3 segundos */
        opacity: 0;
    }

    .servicio-item:nth-child(3),
    .proyecto-item:nth-child(3) {
        animation: aparecerDesaparecer 9s infinite 6s; /* Comienza después de 6 segundos */
        opacity: 0;
    }

@keyframes aparecerDesaparecer {
    0% {
        opacity: 0;
    }

    16.66% {
        opacity: 1;
    }
    /* Se mantiene visible por ~3 segundos */
    33.32% {
        opacity: 1;
    }

    49.98% {
        opacity: 0;
    }
    /* Comienza a desaparecer */
    100% {
        opacity: 0;
    }
}










/* RESPONSIVE DESIGN Y MENÚ HAMBURGUESA */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    header nav {
        /* flex-direction: column; Ya no es necesario, el ul se posicionará absolute */
        align-items: center; /* Centra el logo y el toggle verticalmente */
    }

    .menu-toggle {
        display: block; /* Mostrar el botón hamburguesa */
    }

    header ul#mainNavLinks {
        display: none; /* Oculto por defecto en móvil */
        flex-direction: column;
        position: absolute;
        top: 100%; /* Justo debajo del header. Asegúrate que el header tenga padding suficiente. */
        left: 0;
        width: 100%;
        background-color: rgba(0,0,0,0.95); /* Fondo para el menú desplegado */
        border-top: 1px solid var(--matrix-green-dark);
        padding: 0.5rem 0;
    }

        header ul#mainNavLinks.nav-active {
            display: flex; /* Mostrar cuando está activo */
        }

        header ul#mainNavLinks li {
            margin: 0;
            width: 100%;
            text-align: center;
        }

            header ul#mainNavLinks li a {
                display: block;
                padding: 0.8rem 1rem; /* Más padding para fácil toque */
                border-bottom: 1px solid var(--matrix-green-dark); /* Separador entre items */
            }

            header ul#mainNavLinks li:last-child a {
                border-bottom: none; /* Sin borde en el último item */
            }

            header ul#mainNavLinks li a:hover,
            header ul#mainNavLinks li a.active {
                background-color: var(--matrix-green-dark); /* Fondo al hacer hover/active */
                color: var(--matrix-bg); /* Texto oscuro sobre fondo verde */
                text-shadow: none;
            }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-section {
        height: 50vh;
    }

    .hero-section .btn-primary {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .prev, .next {
        font-size: 16px;
        padding: 10px 8px;
    }

    .dots-container {
        bottom: 10px;
    }

    .dot {
        height: 8px;
        width: 8px;
        margin: 0 3px;
    }

    .nosotros-content {
        flex-direction: column;
    }

    .nosotros-img {
        margin-bottom: 1rem;
        max-width: 100%;
    }

    .servicios-grid, .proyectos-grid {
        grid-template-columns: 1fr;
    }

    .contact-form .form-group {
        flex-direction: column;
        gap: 0;
    }
}