/* Estilos generales */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
    color: #212529;
    margin: 0;
    padding: 0;
}

/* Contenedor principal */
.content {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 80px auto;
    text-align: center;
}

.content h1 {
    font-size: 36px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 30px;
}

/* Contenedor de licitaciones */
.featured {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

/* Tarjetas mejoradas */
.card {
    background-color: #fff;
    border: none;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    padding: 24px;
    text-align: left;
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 24px rgba(0, 0, 0, 0.15);
}

.card-title {
    font-size: 22px;
    color: #0056b3;
    margin-bottom: 12px;
    font-weight: bold;
}

.card p {
    margin-bottom: 10px;
    font-size: 15px;
    color: #444;
    line-height: 1.6;
}

.card-description {
    font-size: 14px;
    color: #6c757d;
    margin-top: 12px;
    text-align: justify;
}

/* Badges para categoría y estado */
.card p strong {
    color: #555;
}

.card p span.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 13px;
    border-radius: 12px;
    margin-left: 5px;
    color: #fff;
}

.badge-categoria {
    background-color: #17a2b8;
}

.badge-estado {
    background-color: #28a745;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fff;
    margin: 8% auto;
    padding: 30px;
    border-radius: 16px;
    max-width: 600px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    animation: fadeIn 0.3s ease;
}

.modal-content h2 {
    margin-bottom: 20px;
    font-size: 26px;
    color: #2c3e50;
}

.modal-content p {
    margin-bottom: 12px;
    font-size: 16px;
    color: #555;
}

.close {
    float: right;
    font-size: 28px;
    font-weight: bold;
    color: #666;
    cursor: pointer;
}

.close:hover {
    color: #000;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}