/* VARIABLES DE COLOR */
:root {
    --bg-color: #2c2c2c;
    --primary-color: #581c5e; /* Morado */
    --accent-color: #ffd700;  /* Amarillo */
    --text-color: #f0f0f0;
    --card-bg: #3d3d3d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    text-align: center;
}

header h1 {
    color: var(--accent-color);
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 10px;
}

/* --- ESTILOS DE LOS CUADRITOS (GRID) --- */
.grid-container {
    display: grid;
    /* Esto hace que sean cuadritos y se ajusten */
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 30px auto;
}

.card {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    cursor: pointer;
    border-bottom: 5px solid var(--primary-color);
    transition: transform 0.3s, box-shadow 0.3s;
    /* Sombra suave */
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

/* Efecto al poner el mouse encima */
.card:hover {
    transform: translateY(-10px); /* Sube un poco */
    background-color: #4a4a4a;
    border-bottom: 5px solid var(--accent-color);
}

.card .icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.card h3 {
    margin: 10px 0;
    color: white;
}

/* --- ESTILOS DE LA VENTANA (MODAL) --- */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8); /* Fondo oscuro */
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--primary-color);
    margin: 10% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    border: 2px solid var(--accent-color);
    position: relative;
    text-align: left;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    animation: bajar 0.4s;
}

.modal-body {
    padding: 30px;
    color: white;
}

.modal-body h2 {
    color: var(--accent-color);
    border-bottom: 1px solid rgba(255,255,255,0.3);
    padding-bottom: 10px;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 30px;
    color: white;
    cursor: pointer;
}

.close-btn:hover {
    color: var(--accent-color);
}

@keyframes bajar {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}