:root {
            --bg-dark: #1c1c1c; 
            --bg-card: #242424;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --accent-purple: #7c3aed; 
            --accent-purple-hover: #6d28d9;
            --highlight-yellow: #fbbf24;
            --border-color: #334155;
            --placeholder-color: #cbd5e1;
        }

        body {
            background-color: var(--bg-dark);
            color: var(--text-main);
            font-family: 'Plus Jakarta Sans', sans-serif;
            overflow-x: hidden;
        }

        /* --- Navbar --- */
        .navbar {
            padding: 1rem 0;
            background-color: rgba(28, 28, 28, 0.95);
            border-bottom: 1px solid var(--border-color);
        }
        .navbar-brand {
            color: var(--text-main) !important;
            font-weight: 800;
            letter-spacing: 1px;
        }
        .navbar-brand i { color: var(--accent-purple); }
        .nav-link { color: var(--text-muted) !important; font-weight: 600; }
        .nav-link:hover { color: var(--accent-purple) !important; }

        /* --- Global Sections --- */
        section { padding: 80px 0; }
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 50px;
        }
        .section-title span { color: var(--accent-purple); }

        /* --- Hero Section --- */
        .hero-section {
            padding: 120px 0 80px 0;
            text-align: left;
        }
        .greeting {
            color: var(--accent-purple);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 5px;
            display: block;
        }
        .main-title {
            font-size: 4rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text-main);
            min-height: 80px;
        }
        .cursor {
            color: var(--accent-purple);
            animation: blink 1s step-end infinite;
            font-weight: 400;
        }
        @keyframes blink { 50% { opacity: 0; } }
        
        .exp-badge {
            color: var(--highlight-yellow);
            font-weight: 800;
            font-size: 1.2rem;
            display: inline-block;
            margin-bottom: 20px;
        }
        .bio-short {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 650px;
            margin-bottom: 40px;
            line-height: 1.7;
            text-align: justify;
        }

        /* --- Botones --- */
        .btn-custom {
            background-color: var(--accent-purple);
            color: white;
            padding: 12px 30px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid var(--accent-purple);
            display: inline-block;
            margin-bottom: 10px;
        }
        .btn-custom:hover {
            background-color: var(--accent-purple-hover);
            border-color: var(--accent-purple-hover);
            color: white;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-main);
            border: 2px solid var(--border-color);
            padding: 12px 30px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
            margin-left: 15px;
            margin-bottom: 10px;
        }
        .btn-outline-custom:hover {
            border-color: var(--accent-purple);
            color: var(--accent-purple);
        }

        /* --- Sobre Mi --- */
        .about-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            max-width: 800px;
            margin: 0 auto;
            text-align: justify;
        }
        .about-box p { color: var(--text-muted); line-height: 1.8; margin-bottom: 15px; }

        /* --- Carrusel de Tecnologias --- */
        .skills-slider {
            overflow: hidden;
            padding: 20px 0;
            white-space: nowrap;
            width: 100%;
            cursor: grab;
        }
        .skills-slider:active {
            cursor: grabbing;
        }

        .skills-track {
            display: flex;
            width: max-content;
            user-select: none;
        }

        .skill-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 25px 30px;
            border-radius: 12px;
            text-align: center;
            min-width: 150px;
            margin: 0 15px;
            transition: transform 0.3s, border-color 0.3s;
        }
        .skill-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-purple);
        }
        .skill-card i {
            font-size: 2.5rem;
            color: var(--text-main);
            margin-bottom: 15px;
            display: block;
            transition: color 0.3s ease;
        }
        .skill-card span { display: block; font-weight: 600; font-size: 0.9rem; }

        /* Clases para los colores de cada tecnologia */
        .skill-card.hover-html:hover i { color: #e34f26; }
        .skill-card.hover-css:hover i { color: #1572b6; }
        .skill-card.hover-js:hover i { color: #f7df1e; }
        .skill-card.hover-bs:hover i { color: #7952b3; }
        .skill-card.hover-sql:hover i { color: #cc292b; }
        .skill-card.hover-pbi:hover i { color: #f2c811; }
        .skill-card.hover-java:hover i { color: #f89820; }
        .skill-card.hover-python:hover i { color: #3776ab; }
        .skill-card.hover-android:hover i { color: #3DDC84; }
        .skill-card.hover-fire:hover i { color: #ffca28; }
        .skill-card.hover-php:hover i { color: #777bb4; }

        /* Mascara de degradado para los bordes */
        .skills-slider::before,
        .skills-slider::after {
            content: "";
            position: absolute;
            top: 0;
            width: 100px;
            height: 100%;
            z-index: 2;
        }
        .skills-slider::before {
            left: 0;
            background: linear-gradient(to right, var(--bg-dark), transparent);
        }
        .skills-slider::after {
            right: 0;
            background: linear-gradient(to left, var(--bg-dark), transparent);
        }

        .skills-track {
            display: inline-flex;
            gap: 30px;
            animation: slide 20s linear infinite;
        }
        .skills-track:hover {
            animation-play-state: paused;
        }

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

        .skill-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 25px 30px;
            border-radius: 12px;
            text-align: center;
            min-width: 150px;
            transition: transform 0.3s, border-color 0.3s;
        }
        .skill-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-purple);
        }
        .skill-card i {
            font-size: 2.5rem;
            color: var(--text-main);
            margin-bottom: 15px;
            display: block;
        }
        .skill-card span { display: block; font-weight: 600; font-size: 0.9rem; }

        /* --- Proyectos --- */
        .filters {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .filter-btn {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 8px 24px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .filter-btn.active, .filter-btn:hover {
            background: var(--accent-purple);
            border-color: var(--accent-purple);
            color: white;
        }
        .project-card {
            position: relative;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s;
            height: 100%;
        }
        .project-card:hover { transform: translateY(-5px); border-color: var(--accent-purple); }
        .project-img {
            width: 100%; height: 200px; background-color: #111;
            display: flex; align-items: center; justify-content: center; color: #444;
        }
        .project-content { padding: 25px; text-align: left; }
        .project-content h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 10px; }
        .project-content p { color: var(--text-muted); font-size: 0.95rem; text-align: justify; }

        /* --- Tecnologias en Tarjetas de Proyecto --- */
        .project-tech {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        .project-tech i {
            font-size: 1.3rem;
            color: var(--text-muted);
            transition: color 0.3s ease, transform 0.3s ease;
            cursor: default;
        }
        .project-tech i:hover {
            transform: translateY(-2px);
        }
        /* Colores al interactuar */
        .project-tech i.fa-html5:hover { color: #e34f26; }
        .project-tech i.fa-css3-alt:hover { color: #1572b6; }
        .project-tech i.fa-js:hover { color: #f7df1e; }
        .project-tech i.fa-bootstrap:hover { color: #7952b3; }
        .project-tech i.fa-database:hover { color: #cc292b; }
        .project-tech i.fa-python:hover { color: #3776ab; }
        .project-tech i.fa-fire:hover { color: #ffca28; }
        .project-tech i.fa-java:hover { color: #f89820; }
        .project-tech i.fa-android:hover { color: #3DDC84; }
        .project-tech i.fa-cloud:hover { color: #0ea5e9; }
        .project-tech i.fa-php:hover { color: #777bb4; }

        /* --- Contacto --- */
        .contact-form {
            max-width: 600px;
            margin: 0 auto;
            background-color: var(--bg-card);
            padding: 40px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: left;
        }
        .form-control {
            background-color: var(--bg-dark);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 12px;
            margin-bottom: 20px;
        }
        .form-control:focus {
            background-color: var(--bg-dark);
            color: var(--text-main);
            border-color: var(--accent-purple);
            box-shadow: 0 0 0 0.25rem rgba(124, 58, 237, 0.25);
        }
        /* Ajuste de brillo */
        .form-control::placeholder {
            color: var(--placeholder-color);
            opacity: 1;
        }
        .form-label { font-weight: 600; color: var(--text-muted); }

        /* --- Animacion de Filtrado para Proyectos --- */
        .project-item {
            transition: opacity 0.1s ease, transform 0.1s ease;
        }
        .project-item.hide {
            display: none !important;
        }
        .project-item.fade-out {
            opacity: 0 !important;
            transform: scale(0.9) !important;
        }

        /* Responsivo */
        @media (max-width: 768px) {
            .main-title { font-size: 2.5rem; }
            .btn-outline-custom { margin-left: 0; }
            .about-box { padding: 20px; text-align: left; }
            .bio-short { text-align: left; }
        }

        /* --- Animaciones de Scroll --- */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.8s ease-out;
            visibility: hidden;
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
            visibility: visible;
        }
        
        .delay-1 { transition-delay: 0.1s; }
        .delay-2 { transition-delay: 0.3s; }
        .delay-3 { transition-delay: 0.5s; }

        /* Contenedor de la imagen */
        .project-img {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background-color: #f4f4f4;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* La imagen de captura */
        .project-img img {
            width: 100%;
            height: 100%;           
            object-fit: cover; 
            transition: transform 0.4s ease;
        }

        .project-card:hover .project-img img {
            transform: scale(1.05);
        }

        /* --- Etiquetas flotantes sobre la imagen --- */
        .project-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 800;
            color: #ffffff;
            z-index: 10;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        }
        /* Colores especificos para cada arquitectura */
        .badge-software {
            background: linear-gradient(90deg, #3b82f6, #1d4ed8);
        }
        .badge-web {
            background: linear-gradient(90deg, #10b981, #047857);
        }
        .badge-movil {
            background: linear-gradient(90deg, #f59e0b, #b45309);
        }
        
        /* --- Estilos para los Modales de Proyectos --- */
        .project-card {
            cursor: pointer;
        }
        
        /* Efecto de fondo Blur */
        .modal-backdrop.show {
            opacity: 0.7 !important;
            backdrop-filter: blur(8px);
            background-color: #000;
        }
        
        /* Contenedor principal del modal */
        .modal-content {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            color: var(--text-main);
        }
        .modal-header {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 30px;
        }
        .modal-title {
            font-weight: 800;
            color: var(--accent-purple);
            font-size: 1.8rem;
        }
        .btn-close-custom {
            background: transparent;
            border: none;
            color: var(--text-muted);
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        .btn-close-custom:hover {
            color: white;
        }
        .modal-body {
            padding: 30px;
        }
        
        /* Contenido interno */
        .modal-tech {
            display: flex;
            gap: 15px;
            margin-bottom: 25px;
            font-size: 1.8rem;
        }
        .modal-desc {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 25px;
            text-align: justify;
        }
        .modal-features {
            list-style: none;
            padding: 0;
            margin-bottom: 30px;
        }
        .modal-features li {
            margin-bottom: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .modal-features li i {
            color: var(--accent-purple);
            margin-top: 5px;
        }
        /* --- Galeria de Imagenes --- */
        .modal-gallery {
            margin-top: 30px;
            border-top: 1px dashed var(--border-color);
            padding-top: 25px;
        }
        .modal-img-title {
            color: var(--text-main);
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .modal-img-title i {
            color: var(--accent-purple);
            font-size: 0.9rem;
        }
        .modal-gallery img {
            width: 100%;
            height: auto;
            max-height: 500px;
            object-fit: cover;
            object-position: top; 
            border-radius: 8px;
            border: 1px solid var(--border-color);
            margin-bottom: 35px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }
        .modal-actions {
            display: flex;
            gap: 15px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .modal-actions .btn-outline-custom {
            margin-left: 0;
        }