/* Reset y Variables */
:root {
    --primary-color: #FFFFFF; /* Grayscale Accent */
    --secondary-color: #CCCCCC;
    --bg-color: #121212;
    --text-color: #E0E0E0;
    --glass-bg: rgba(30, 30, 30, 0.8); /* Dark Glass */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { overflow-x: hidden; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: #E0E0E0; /* Texto claro para fondo oscuro */
    line-height: 1.6;
    overflow-x: hidden; /* Previene scroll horizontal indeseado en móviles */
    width: 100%;
}

/* Utilidades */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }
.section-padding { padding: 80px 0; }

/* Fondo profesional para Servicios */
#servicios {
    background: linear-gradient(135deg, #1c1c1c 0%, #333333 100%); /* Acero Oscuro (Dark Steel) */
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Tipografía */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: #FFFFFF; /* Texto blanco para fondo oscuro */
    margin-bottom: 1rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #FFFFFF;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Navbar */
.navbar {
    background-color: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(10px);
    padding: 0.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    text-shadow: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    width: 80px;
    height: auto;
}

/* Logo en Hero Section */
.hero-logo {
    width: 150px;
    height: auto;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 15px rgba(0,0,0,0.8));
}

/* Logo de fondo en Sección Nosotros */
#nosotros {
    position: relative;
}

#nosotros::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: url('img/logo.png') no-repeat center center;
    background-size: 50%; /* Se adapta al 50% del tamaño de la sección */
    opacity: 0.15; /* Marca de agua más visible */
    pointer-events: none;
    z-index: 0;
}

#nosotros .container {
    position: relative;
    z-index: 1;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: color 0.3s;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.nav-links a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Botón Contacto en Navbar */
.nav-cta {
    background: linear-gradient(135deg, #FF512F 0%, #DD2476 100%);
    padding: 8px 20px;
    border-radius: 50px;
    color: #fff !important; /* Forzar color blanco sobre el estilo del link */
    box-shadow: 0 4px 15px rgba(221, 36, 118, 0.4);
    transition: all 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(221, 36, 118, 0.6);
    text-decoration: none !important;
}

/* Selector de Idioma */
.lang-dropdown {
    position: relative;
    margin-left: 20px;
    display: inline-block;
}

.lang-dropbtn {
    background: transparent;
    color: #fff; /* Color blanco sólido para máxima visibilidad */
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    transition: all 0.3s;
}

.lang-dropbtn:hover {
    border-color: #fff;
    color: #fff;
}

.lang-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: #222;
    min-width: 140px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
    z-index: 1001;
    border-radius: 5px;
    border: 1px solid #444;
    overflow: hidden;
}

.lang-content a {
    color: #eee;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.lang-content a:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.lang-dropdown:hover .lang-content {
    display: block;
}

/* Hero Section */
.hero {
    min-height: 100vh; /* Permite scroll si el contenido es alto en móviles */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: transparent; /* Eliminamos imagen estática */
    margin-top: 0;
    padding: 0; /* Eliminamos padding para que llegue a los bordes */
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7); /* Oscurecer para legibilidad */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-buttons {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.hero h1 {
    font-size: 3.5rem;
    color: #FFFFFF;
    text-shadow: 0 0 20px rgba(0,0,0,0.8); /* Sombra para resaltar sobre vetas */
    display: inline-block; /* Para el efecto de tipeo */
}

.hero p {
    font-size: 1.6rem;
    font-weight: 500;
    margin: 1.5rem 0 2.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.9);
    color: #ffffff;
    letter-spacing: 0.5px;
}

.typing-cursor {
    font-size: 3.5rem;
    color: var(--primary-color);
    animation: blink 1s infinite;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    margin: 10px;
    border: 2px solid transparent;
    cursor: pointer;
}

.primary {
    background-color: var(--primary-color); /* Accent color */
    color: var(--bg-color); /* Texto oscuro sobre botón claro */
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}

.primary:hover {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
}

/* Botón CTA (Call to Action) destacado */
.btn-cta {
    background: linear-gradient(135deg, #FF512F 0%, #DD2476 100%); /* Gradiente vibrante */
    color: #fff;
    border: none;
    box-shadow: 0 0 20px rgba(221, 36, 118, 0.6);
    transform: scale(1.05);
    animation: pulse-cta 2s infinite;
}

.btn-cta:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(221, 36, 118, 0.9);
    color: #fff;
}

.btn-cta:active {
    transform: scale(0.95);
    box-shadow: 0 0 10px rgba(221, 36, 118, 0.4);
}

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

.secondary:hover {
    background-color: var(--secondary-color);
    color: var(--bg-color);
}

/* Cards y Grids */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
    color: var(--text-color);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.1);
}

/* Títulos dentro de tarjetas (deben ser oscuros/color) */
.card h1, .card h2, .card h3, .card h4 {
    color: var(--primary-color);
}

/* Iconos en tarjetas (sección Nosotros) */
.icon-header {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* Estilos para tarjetas de servicio con imagen */
.service-card {
    padding: 0;
}

.service-card:hover {
    /* Sobrescribir el hover general para que no se mueva si no es interactivo */
    transform: translateY(0);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.service-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px 15px 0 0;
}

.service-card h3 {
    margin-top: 1.5rem;
    padding: 0 1.5rem;
}

.service-card p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--secondary-color);
}

/* Proyectos */
.project-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 400px; /* Altura fija para uniformidad y mayor impacto */
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: #000; /* Fondo negro por si la imagen tarda en cargar */
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(255, 255, 255, 0.15);
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 0.9;
}

.project-card:hover .project-img {
    transform: scale(1.1);
    opacity: 0.6; /* Oscurecer ligeramente la imagen al hover para resaltar texto */
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.6) 40%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
}

.project-info {
    transform: translateY(10px);
    transition: transform 0.4s ease;
}

.project-card:hover .project-info {
    transform: translateY(0);
}

.project-category {
    font-size: 0.8rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}

.project-card h4 {
    font-size: 1.1rem;
    color: #fff;
    margin: 0;
    line-height: 1.4;
    font-family: var(--font-heading);
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.project-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.4s ease;
}

.project-card:hover .project-icon {
    opacity: 1;
    transform: translateY(0);
    background: var(--primary-color);
}

/* --- Sección de Contacto Profesional --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    background: var(--glass-bg);
    padding: 3rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
    width: 30px;
    text-align: center;
}

/* Formulario con Floating Labels */
.contact-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 10px 0;
    font-size: 1rem;
    color: #fff;
    border: none;
    border-bottom: 1px solid #666;
    outline: none;
    background: transparent;
    transition: border-color 0.3s;
    font-family: var(--font-body);
    resize: none;
}

.form-group label {
    position: absolute;
    top: 10px;
    left: 0;
    color: #999;
    pointer-events: none;
    transition: 0.3s ease all;
    font-size: 1rem;
}

.form-group input:focus, 
.form-group textarea:focus {
    border-bottom: 2px solid var(--primary-color);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -20px;
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: bold;
}

/* Footer */
footer {
    padding: 3rem 0;
    background-color: #1a1a1a;
    border-top: none;
    margin-top: auto;
    color: #fff;
}

.social-links {
    margin-bottom: 1.5rem;
}

.social-links a {
    color: #fff;
    font-size: 1.5rem;
    margin: 0 15px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: rgba(255,255,255,0.7);
}

/* Animaciones de Scroll (Reveal) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Menu Toggle (Oculto en desktop) */
.menu-toggle { 
    display: none; 
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: #fff;
}

/* --- Modal Galería --- */
.modal {
    display: none; /* Oculto por defecto */
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px); /* Efecto moderno de desenfoque */
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    margin: auto;
    text-align: center;
    animation: zoomIn 0.4s ease;
}

.gallery-slide img {
    width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 5px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

.close-modal:hover,
.close-modal:focus {
    color: var(--primary-color);
    text-decoration: none;
    cursor: pointer;
}

.prev-btn, .next-btn {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 30px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    background: rgba(0,0,0,0.3);
    border: none;
}

.next-btn { right: 0; border-radius: 3px 0 0 3px; }
.prev-btn { left: 0; border-radius: 3px 0 0 3px; }
.prev-btn:hover, .next-btn:hover { background-color: var(--primary-color); }

.modal-caption {
    color: #ccc;
    font-size: 1.2rem;
    padding: 10px 0;
    font-family: var(--font-heading);
}

/* Keyframes */
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}
@keyframes load { 0% { width: 0; } 100% { width: 100%; } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes zoomIn { from {transform: scale(0.8); opacity: 0;} to {transform: scale(1); opacity: 1;} }
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}
@keyframes pulse-cta {
    0% { box-shadow: 0 0 0 0 rgba(221, 36, 118, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(221, 36, 118, 0); }
    100% { box-shadow: 0 0 0 0 rgba(221, 36, 118, 0); }
}

/* --- Media Queries (Responsive Design) --- */

/* Tablets y Laptops Pequeñas */
@media (max-width: 1024px) {
    .section-title { font-size: 2.2rem; }
    .hero h1 { font-size: 2.8rem; }
    .typing-cursor { font-size: 2.8rem; }
    .container { padding: 0 30px; }
}

/* Tablets (Portrait) y Móviles Grandes */
@media (max-width: 768px) {
    .section-padding { padding: 50px 0; } /* Menos espacio vertical */

    /* Ajuste crítico del Logo en Móvil */
    .logo img {
        width: 45px; /* Reducir tamaño para que quepa en la barra */
    }
    .logo {
        font-size: 0.9rem; /* Texto más pequeño */
        max-width: 60%; /* Evitar que empuje al menú */
        line-height: 1.2;
    }
    
    .hero-buttons { justify-content: center; }
    
    .menu-toggle { display: block; }

    .lang-dropdown {
        position: absolute;
        right: 55px; /* A la izquierda del menú hamburguesa */
        top: 50%;
        transform: translateY(-50%);
        margin-left: 0;
    }

    .lang-dropbtn { padding: 4px 8px; font-size: 0.8rem; }
    
    /* Optimización de rendimiento móvil: Quitar blur costoso */
    .navbar { 
        padding: 0.8rem 0;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background-color: rgba(18, 18, 18, 0.98); /* Fondo casi sólido */
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px; /* Ajustado a la nueva altura real del navbar */
        gap: 0;
        flex-direction: column;
        background-color: rgba(10, 10, 10, 0.98); /* Fondo casi sólido para mejor lectura */
        width: 100%;
        text-align: center;
        transition: 0.3s;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding: 20px 0;
        box-shadow: 0 10px 10px rgba(0,0,0,0.2);
        height: calc(100vh - 70px); /* Ocupar el resto de la pantalla */
        overflow-y: auto;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .nav-links a {
        font-size: 1.3rem; /* Enlaces más grandes para tocar fácil */
        display: block;
        width: 100%;
        padding: 5px 0;
    }

    /* Ajuste Hero para evitar solapamiento con navbar fijo */
    .hero {
        padding-top: 80px; 
        min-height: auto; /* Permitir altura flexible */
        padding-bottom: 40px;
    }

    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1.2rem; margin: 1rem 0 2rem; }
    .typing-cursor { font-size: 2.2rem; }
    
    .grid-2, .grid-3 { gap: 1.5rem; }

    .contact-wrapper { grid-template-columns: 1fr; gap: 2rem; padding: 2rem; }

    /* Tarjetas de proyecto más compactas en altura */
    .project-card { height: 300px; }

    /* Optimización: Quitar blur de las tarjetas en móvil */
    .card {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(30, 30, 30, 0.95);
        box-shadow: 0 4px 10px rgba(0,0,0,0.2); /* Sombra más ligera */
    }
}

/* Móviles Pequeños */
@media (max-width: 480px) {
    /* Ajustes finos adicionales */
    .logo { font-size: 0.8rem; }
    
    .hero h1 { font-size: 1.8rem; }
    .typing-cursor { font-size: 1.8rem; }
    
    .section-title { font-size: 1.8rem; margin-bottom: 2rem; }
    
    .lang-dropdown { right: 50px; } /* Asegurar espacio */
    
    /* Botones a ancho completo para facilitar el toque */
    .btn {
        display: block;
        width: 100%;
        text-align: center;
        margin: 10px 0;
    }

    .hero-buttons { flex-direction: column; }
    
    /* Ajuste en el modal de galería */
    .prev-btn, .next-btn { padding: 10px; font-size: 20px; }
    .close-modal { right: 20px; top: 10px; }
}

/* --- Notificaciones Toast (Mensajes Flotantes) --- */
.toast {
    visibility: hidden;
    min-width: auto;
    max-width: 90%;
    background-color: #222; /* Fondo oscuro elegante */
    color: #fff;
    border-radius: 8px;
    padding: 16px 20px;
    position: fixed;
    z-index: 3000;
    right: 5%;
    bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-left: 5px solid var(--primary-color);
    transform: translateY(50px); /* Empieza desplazado hacia abajo */
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55); /* Efecto rebote sutil */
    opacity: 0;
    display: flex;
    align-items: center;
    font-family: var(--font-body);
}

.toast.show {
    visibility: visible;
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-left-color: #00C851; /* Verde Éxito */
}

.toast.success .toast-icon {
    color: #00C851;
}

.toast.error {
    border-left-color: #ff4444; /* Rojo Error */
}

.toast.error .toast-icon {
    color: #ff4444;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.toast-icon {
    font-size: 1.5rem;
}

.toast-message {
    font-size: 0.95rem;
    font-weight: 500;
}