:root {
            --primary-bg: #94a8c3;
            --section-bg: #ffffff;
            --text-dark: #222222;
            --border-color: #333333;
            --pixel-size: 4px;
            --color-html: #E34F26;
            --color-css: #1572B6;
            --color-js: #F7DF1E;
            --color-python: #3776AB;
            --color-react: #61DAFB;
            --color-php: #777BB4;
            --color-ts: #3178C6;
            --color-sql: #4479A1;
        }

        * { box-sizing: border-box; image-rendering: pixelated; }

        body {
            margin: 0;
            padding: 0;
            font-family: 'VT323', monospace;
            background-color: #cbd3de;
            color: var(--text-dark);
            scroll-behavior: smooth;
        }

        .todo {
            max-width: 1000px;
            margin: 40px auto;
            background-color: var(--section-bg);
            border: var(--pixel-size) solid var(--border-color);
            box-shadow: 12px 12px 0px rgba(0,0,0,0.1);
        }

        .header {
            background-color: var(--primary-bg);
            display: grid;
            grid-template-columns: 1fr 200px;
            padding: 40px;
            border-bottom: var(--pixel-size) solid var(--border-color);
            position: relative;
        }

        .header-logo {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .logo-avatar {
            width: 100%;
            max-width: 500px;
            filter: drop-shadow(8px 8px 0px rgba(0,0,0,0.1));
        }

        .nav-menu {
            display: flex;
            flex-direction: column;
            gap: 15px;
            justify-content: center;
        }

        .pixel-btn {
            background: white;
            border: var(--pixel-size) solid var(--border-color);
            padding: 10px;
            font-family: 'VT323', monospace;
            font-size: 1.5rem;
            color: var(--border-color);
            text-decoration: none;
            text-align: center;
            box-shadow: 4px 4px 0px var(--border-color);
            transition: all 0.1s;
            cursor: pointer;
        }

        .pixel-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--border-color);
            background-color: #f0f0f0;
        }

        .pixel-btn:active {
            transform: translate(2px, 2px);
            box-shadow: 0px 0px 0px var(--border-color);
        }

        .section { padding: 40px; border-bottom: 2px dashed #ccc; }
        .section-header {
            font-family: 'Press Start 2P', cursive;
            font-size: 1rem;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .section-header::after {
            content: ""; flex: 1; height: 4px; 
            background: repeating-linear-gradient(90deg, #333 0 10px, transparent 10px 20px);
        }

        .contenedor-tecnologias {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
            gap: 15px;
        }

        .tecnologia-item {
            border: var(--pixel-size) solid var(--border-color);
            padding: 15px 5px;
            text-align: center;
            background: #fff;
            transition: 0.2s;
        }

        .tecnologia-item:hover { transform: translateY(-5px); box-shadow: 0 5px 0 #ddd; }
        .tecnologia-item img { width: 40px; height: 40px; margin-bottom: 10px; }
        .nombre-tecnologia { display: block; font-weight: bold; font-size: 1.1rem; text-transform: uppercase; }

        .contenedor-proyectos {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .project-card {
            text-decoration: none;
            color: inherit;
            border: var(--pixel-size) solid var(--border-color);
            background: #fff;
            padding: 10px;
            transition: 0.2s;
        }

        .project-card:hover { border-color: var(--color-python); transform: scale(1.02); }
        .imagen-proyecto { border-bottom: var(--pixel-size) solid var(--border-color); margin-bottom: 10px; }
        .imagen-proyecto img { width: 100%; display: block; }
        .titulo-proyecto { font-family: 'Press Start 2P'; font-size: 0.7rem; text-align: center; margin: 10px 0; }
        .contenedor-lenguajes { display: flex; justify-content: center; gap: 8px; }
        .logo-lenguaje { width: 18px; height: 18px; }

        .contacto-grid {
            display: grid;
            grid-template-columns: 150px 1fr 200px;
            gap: 30px;
            align-items: start;
        }

        .contenedor-contacto {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        input, textarea {
            border: 2px solid var(--border-color);
            padding: 8px;
            font-family: 'VT323', monospace;
            font-size: 1.1rem;
            width: 100%;
        }

        .avatar-contacto {
            border: var(--pixel-size) solid var(--border-color);
            padding: 5px;
            background: #eee;
        }

        .redes-sociales {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .redes-sociales li {
            margin-bottom: 10px;
        }

        .redes-sociales a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .redes-sociales a:hover {
            color: var(--accent);
        }

        footer { text-align: center; padding: 30px; font-family: 'Press Start 2P'; font-size: 0.5rem; color: #888; }

        @media (max-width: 800px) {
            .header, .contacto-grid { grid-template-columns: 1fr; }
            .logo-avatar { max-width: 200px; margin: 0 auto 20px; }
        }