/* --- VARIABLES Y ESTILOS GLOBALES --- */
:root {
    --msx-blue-dark:   #1A237E;
    --msx-blue-medium: #283593;
    --msx-cyan-accent: #68A3E2;
    --msx-text-light:  #F0F0F0;
    --msx-white:       #FFFFFF;

    --bg-color: var(--msx-blue-dark);
    --card-bg-color: var(--msx-blue-medium);
    --accent-color: var(--msx-cyan-accent);
    --text-color: var(--msx-text-light);
    --header-color: var(--msx-white);
    --border-color: rgba(104, 163, 226, 0.25);

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    line-height: 1.7;
    background-color: var(--bg-color);
    background-image: 
        linear-gradient(rgba(8, 16, 32, 0.50), rgba(8, 16, 32, 0.50)),
        url('images/bg_msx.webp');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

main { max-width: 960px; margin: 40px auto; padding: 0 20px; }
section { margin-bottom: 60px; }

/* --- ELEMENTOS DE TEXTO Y ENLACES --- */
h2, h3 { font-family: var(--font-mono); color: var(--header-color); line-height: 1.3; margin-bottom: 20px; }
h2 { font-size: 2rem; border-bottom: 2px solid var(--border-color); padding-bottom: 10px; }
h3 { font-size: 1.25rem; color: var(--accent-color); }
p { margin-bottom: 15px; }
a { color: var(--accent-color); text-decoration: none; font-weight: bold; padding: 2px 6px; margin: -2px -6px; border-radius: 4px; transition: background-color 0.2s ease, color 0.2s ease; }
a:hover { background-color: rgba(104, 163, 226, 0.15); color: var(--msx-white); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; border-radius: 8px; }

/* --- CABECERA --- */
.hero { text-align: center; padding: 40px 20px 0 20px; background-color: transparent; }
.hero-image { max-width: 600px; margin: 0 auto; }

/* --- BLOQUES DE CONTENIDO --- */
.link-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; text-align: center; }
.link-box { background-color: var(--card-bg-color); padding: 20px; border-radius: 8px; border: 1px solid var(--border-color); }
.link-box img { max-height: 80px; margin: 0 auto 15px auto; }
.video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; background: #000; border-radius: 8px; }
.video-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

/* --- FUNCIONALIDADES --- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.feature-item { background-color: var(--card-bg-color); padding: 25px; border-radius: 8px; border-left: 8px solid var(--accent-color); }

/* --- GALERÍAS DE IMÁGENES --- */
.screenshot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 40px 0; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; }
.screenshot-grid a, .gallery-grid a { display: block; margin: 0; padding: 0; }
.screenshot-grid a:hover, .gallery-grid a:hover { background-color: transparent; }
.screenshot-grid img, .gallery-grid img { border: 1px solid var(--border-color); transition: transform 0.3s ease, box-shadow 0.3s ease; cursor: zoom-in; }
.screenshot-grid a:hover img, .gallery-grid a:hover img { transform: scale(1.05); box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3); }

/* --- LLAMADA A LA ACCIÓN --- */
.call-to-action { text-align: center; background-color: var(--card-bg-color); padding: 40px 20px; border-radius: 8px; }
.call-to-action .button { display: inline-block; background-color: var(--accent-color); color: var(--bg-color); padding: 15px 30px; font-family: var(--font-mono); font-size: 1.1rem; border-radius: 5px; margin-top: 15px; text-decoration: none; transition: background-color 0.3s ease; }
.call-to-action .button:hover { background-color: var(--msx-white); text-decoration: none; color: var(--bg-color); }

/* --- PIE DE PÁGINA (MODIFICADO) --- */
footer {
    text-align: center;
    background-color: var(--card-bg-color);
    padding: 30px 20px;
    margin-top: 60px; /* Separación de la última sección */
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

footer p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: #ddd; /* Color más brillante para que destaque */
}

.footer-separator {
    color: var(--border-color);
    margin: 0 10px;
}

footer a {
    color: #bbb; /* Un color ligeramente menos brillante que el copyright */
    font-weight: bold;
}

footer a:hover {
    background-color: rgba(104, 163, 226, 0.15);
    color: var(--msx-white);
}

/* --- AJUSTES PARA MÓVILES --- */
@media (max-width: 768px) {
    body { font-size: 15px; }
    main { margin: 20px auto; padding: 0 15px; }
    h2 { font-size: 1.6rem; }
    .hero { padding-top: 20px; }
    .hero-image { max-width: 90%; }
    #external-links, .screenshot-grid { grid-template-columns: 1fr; }
    .feature-item, .link-box, .call-to-action, footer { padding: 20px; }
    
    a {
        padding: 0;
        margin: 0;
        text-decoration: underline;
        text-underline-offset: 3px;
        background-color: transparent;
    }

    a:hover {
        background-color: transparent;
        color: var(--accent-color);
    }

    .call-to-action .button,
    .call-to-action .button:hover {
        text-decoration: none;
    }
}