/* Variables de colores para mantener consistencia - Paleta Obsidian Dark */
:root {
    --primary: #1e1e1e;           /* Fondo nav/cabecera */
    --accent: #7a82fb;            /* Morado/Azul de Obsidian para acentos */
    --bg-color: #161616;          /* Fondo base oscuro */
    --text-dark: #dcddde;         /* Texto claro principal (invertido el nombre por compatibilidad) */
    --text-muted: #999999;        /* Texto secundario */
    --card-bg: #242424;           /* Fondo de las tarjetas */
    --border-color: #333333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Navegación Superior */
.navbar {
    background-color: var(--primary);
    color: var(--text-dark);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.navbar nav a {
    color: var(--text-dark);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.navbar nav a:hover {
    color: var(--accent);
}

/* Contenedor Principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.hero p {
    color: var(--text-muted);
}

/* Cuadrícula de Tarjetas */
.grid-enlaces {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--accent);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.4);
    border-color: #444;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent);
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background 0.3s;
}

.btn:hover {
    background-color: #5d66d8;
}

.btn-disabled {
    background-color: #3a3a3a;
    color: #777;
    cursor: not-allowed;
    border: 1px solid #444;
}

.btn-disabled:hover {
    background-color: #3a3a3a;
}