/* Importación de fuente */
@import url('https://fonts.googleapis.com/css?family=Open+Sans:300,400&display=swap');

/* Estilos globales */
.Main {
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #112538;
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
    font-weight: 400;
}

p {
    margin: 0 0 1rem 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.grid {
    display: grid;
    gap: 20px;
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
    grid-template-columns: 1fr 2fr;
}

.card {
    background-color: #454d55;
    border-radius: 5px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    overflow: hidden;
    padding: 20px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 2s linear infinite;
    margin: 50px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}